diff --git a/src/Makefile b/src/Makefile index 41cef2a17..1fdd3f824 100644 --- a/src/Makefile +++ b/src/Makefile @@ -62,7 +62,6 @@ # # Netplay incompatible # -------------------- -# NONET=1 - Disable online capability. # NOMD5=1 - Disable MD5 checksum (validation tool). # NOPOSTPROCESSING=1 - ? # MOBJCONSISTANCY=1 - ?? @@ -187,6 +186,7 @@ objdir:=$(makedir)/objs sources+=\ $(call List,Sourcefile)\ $(call List,blua/Sourcefile)\ + $(call List,netcode/Sourcefile)\ depends:=$(basename $(filter %.c %.s,$(sources))) objects:=$(basename $(filter %.c %.s %.nas,$(sources))) diff --git a/src/Makefile.d/features.mk b/src/Makefile.d/features.mk index 1787f94cb..b8e11c434 100644 --- a/src/Makefile.d/features.mk +++ b/src/Makefile.d/features.mk @@ -3,7 +3,7 @@ # passthru_opts+=\ - NONET NO_IPV6 NOHW NOMD5 NOPOSTPROCESSING\ + NO_IPV6 NOHW NOMD5 NOPOSTPROCESSING\ MOBJCONSISTANCY PACKETDROP ZDEBUG\ HAVE_MINIUPNPC\ @@ -39,13 +39,11 @@ sources+=apng.c endif endif -ifndef NONET ifndef NOCURL CURLCONFIG?=curl-config $(eval $(call Configure,CURL,$(CURLCONFIG))) opts+=-DHAVE_CURL endif -endif ifdef HAVE_MINIUPNPC libs+=-lminiupnpc diff --git a/src/Makefile.d/win32.mk b/src/Makefile.d/win32.mk index 73a3d9e45..a858881c0 100644 --- a/src/Makefile.d/win32.mk +++ b/src/Makefile.d/win32.mk @@ -33,12 +33,10 @@ libs+=-lws2_32 endif endif -ifndef NONET ifndef MINGW64 # miniupnc is broken with MINGW64 opts+=-I../libs -DSTATIC_MINIUPNPC libs+=-L../libs/miniupnpc/mingw$(32) -lws2_32 -liphlpapi endif -endif ifndef MINGW64 32=32 diff --git a/src/Sourcefile b/src/Sourcefile index f2b408c66..6ed1f3b4c 100644 --- a/src/Sourcefile +++ b/src/Sourcefile @@ -1,9 +1,5 @@ string.c d_main.c -d_clisrv.c -d_net.c -d_netfil.c -d_netcmd.c dehacked.c deh_soc.c deh_lua.c @@ -77,12 +73,10 @@ s_sound.c sounds.c w_wad.c filesrch.c -mserv.c -http-mserv.c -i_tcp.c lzf.c b_bot.c u_list.c +snake.c lua_script.c lua_baselib.c lua_mathlib.c diff --git a/src/android/i_net.c b/src/android/i_net.c index f6e642022..4c30dc767 100644 --- a/src/android/i_net.c +++ b/src/android/i_net.c @@ -1,4 +1,4 @@ -#include "../i_net.h" +#include "../netcode/i_net.h" boolean I_InitNetwork(void) { diff --git a/src/blua/liolib.c b/src/blua/liolib.c index 545f9c144..6b44e2eb8 100644 --- a/src/blua/liolib.c +++ b/src/blua/liolib.c @@ -19,7 +19,8 @@ #include "lualib.h" #include "../i_system.h" #include "../g_game.h" -#include "../d_netfil.h" +#include "../netcode/d_netfil.h" +#include "../netcode/net_command.h" #include "../lua_libs.h" #include "../byteptr.h" #include "../lua_script.h" diff --git a/src/command.c b/src/command.c index e1a43522d..e0deff8e1 100644 --- a/src/command.c +++ b/src/command.c @@ -28,11 +28,12 @@ #include "byteptr.h" #include "p_saveg.h" #include "g_game.h" // for player_names -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" +#include "netcode/net_command.h" #include "hu_stuff.h" #include "p_setup.h" #include "lua_script.h" -#include "d_netfil.h" // findfile +#include "netcode/d_netfil.h" // findfile #include "r_data.h" // Color_cons_t #include "d_main.h" // D_IsPathAllowed diff --git a/src/d_clisrv.c b/src/d_clisrv.c deleted file mode 100755 index 83482b527..000000000 --- a/src/d_clisrv.c +++ /dev/null @@ -1,5841 +0,0 @@ -// SONIC ROBO BLAST 2 -//----------------------------------------------------------------------------- -// Copyright (C) 1998-2000 by DooM Legacy Team. -// Copyright (C) 1999-2023 by Sonic Team Junior. -// -// This program is free software distributed under the -// terms of the GNU General Public License, version 2. -// See the 'LICENSE' file for more details. -//----------------------------------------------------------------------------- -/// \file d_clisrv.c -/// \brief SRB2 Network game communication and protocol, all OS independent parts. - -#include -#ifdef __GNUC__ -#include //for unlink -#endif - -#include "i_time.h" -#include "i_net.h" -#include "i_system.h" -#include "i_video.h" -#include "d_net.h" -#include "d_main.h" -#include "g_game.h" -#include "st_stuff.h" -#include "hu_stuff.h" -#include "keys.h" -#include "g_input.h" // JOY1 -#include "m_menu.h" -#include "console.h" -#include "d_netfil.h" -#include "byteptr.h" -#include "p_saveg.h" -#include "z_zone.h" -#include "p_local.h" -#include "m_misc.h" -#include "am_map.h" -#include "m_random.h" -#include "mserv.h" -#include "y_inter.h" -#include "r_local.h" -#include "m_argv.h" -#include "p_setup.h" -#include "lzf.h" -#include "lua_script.h" -#include "lua_hook.h" -#include "lua_libs.h" -#include "md5.h" -#include "m_perfstats.h" - -// aaaaaa -#include "i_joy.h" - -#ifndef NONET -// cl loading screen -#include "v_video.h" -#include "f_finale.h" -#endif - -// -// NETWORKING -// -// gametic is the tic about to (or currently being) run -// Server: -// maketic is the tic that hasn't had control made for it yet -// nettics is the tic for each node -// firstticstosend is the lowest value of nettics -// Client: -// neededtic is the tic needed by the client to run the game -// firstticstosend is used to optimize a condition -// Normally maketic >= gametic > 0 - -#define PREDICTIONQUEUE BACKUPTICS -#define PREDICTIONMASK (PREDICTIONQUEUE-1) -#define MAX_REASONLENGTH 30 - -boolean server = true; // true or false but !server == client -#define client (!server) -boolean nodownload = false; -boolean serverrunning = false; -INT32 serverplayer = 0; -char motd[254], server_context[8]; // Message of the Day, Unique Context (even without Mumble support) - -// Server specific vars -UINT8 playernode[MAXPLAYERS]; -char playeraddress[MAXPLAYERS][64]; - -// Minimum timeout for sending the savegame -// The actual timeout will be longer depending on the savegame length -tic_t jointimeout = (10*TICRATE); -static boolean sendingsavegame[MAXNETNODES]; // Are we sending the savegame? -static boolean resendingsavegame[MAXNETNODES]; // Are we resending the savegame? -static tic_t savegameresendcooldown[MAXNETNODES]; // How long before we can resend again? -static tic_t freezetimeout[MAXNETNODES]; // Until when can this node freeze the server before getting a timeout? - -// Incremented by cv_joindelay when a client joins, decremented each tic. -// If higher than cv_joindelay * 2 (3 joins in a short timespan), joins are temporarily disabled. -static tic_t joindelay = 0; - -UINT16 pingmeasurecount = 1; -UINT32 realpingtable[MAXPLAYERS]; //the base table of ping where an average will be sent to everyone. -UINT32 playerpingtable[MAXPLAYERS]; //table of player latency values. -SINT8 nodetoplayer[MAXNETNODES]; -SINT8 nodetoplayer2[MAXNETNODES]; // say the numplayer for this node if any (splitscreen) -UINT8 playerpernode[MAXNETNODES]; // used specialy for scplitscreen -boolean nodeingame[MAXNETNODES]; // set false as nodes leave game -tic_t servermaxping = 800; // server's max ping. Defaults to 800 -static tic_t nettics[MAXNETNODES]; // what tic the client have received -static tic_t supposedtics[MAXNETNODES]; // nettics prevision for smaller packet -static UINT8 nodewaiting[MAXNETNODES]; -static tic_t firstticstosend; // min of the nettics -static tic_t tictoclear = 0; // optimize d_clearticcmd -static tic_t maketic; - -static INT16 consistancy[BACKUPTICS]; - -static UINT8 player_joining = false; -UINT8 hu_redownloadinggamestate = 0; - -// true when a player is connecting or disconnecting so that the gameplay has stopped in its tracks -boolean hu_stopped = false; - -consvar_t cv_dedicatedidletime = CVAR_INIT ("dedicatedidletime", "10", CV_SAVE, CV_Unsigned, NULL); - -UINT8 adminpassmd5[16]; -boolean adminpasswordset = false; - -// Client specific -static ticcmd_t localcmds; -static ticcmd_t localcmds2; -static boolean cl_packetmissed; -// here it is for the secondary local player (splitscreen) -static UINT8 mynode; // my address pointofview server -static boolean cl_redownloadinggamestate = false; - -static UINT8 localtextcmd[MAXTEXTCMD]; -static UINT8 localtextcmd2[MAXTEXTCMD]; // splitscreen -static tic_t neededtic; -SINT8 servernode = 0; // the number of the server node - -/// \brief do we accept new players? -/// \todo WORK! -boolean acceptnewnode = true; - -static boolean serverisfull = false; //lets us be aware if the server was full after we check files, but before downloading, so we can ask if the user still wants to download or not -static tic_t firstconnectattempttime = 0; - -// engine - -// Must be a power of two -#define TEXTCMD_HASH_SIZE 4 - -typedef struct textcmdplayer_s -{ - INT32 playernum; - UINT8 cmd[MAXTEXTCMD]; - struct textcmdplayer_s *next; -} textcmdplayer_t; - -typedef struct textcmdtic_s -{ - tic_t tic; - textcmdplayer_t *playercmds[TEXTCMD_HASH_SIZE]; - struct textcmdtic_s *next; -} textcmdtic_t; - -ticcmd_t netcmds[BACKUPTICS][MAXPLAYERS]; -static textcmdtic_t *textcmds[TEXTCMD_HASH_SIZE] = {NULL}; - - -consvar_t cv_showjoinaddress = CVAR_INIT ("showjoinaddress", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); - -static CV_PossibleValue_t playbackspeed_cons_t[] = {{1, "MIN"}, {10, "MAX"}, {0, NULL}}; -consvar_t cv_playbackspeed = CVAR_INIT ("playbackspeed", "1", 0, playbackspeed_cons_t, NULL); - -static inline void *G_DcpyTiccmd(void* dest, const ticcmd_t* src, const size_t n) -{ - const size_t d = n / sizeof(ticcmd_t); - const size_t r = n % sizeof(ticcmd_t); - UINT8 *ret = dest; - - if (r) - M_Memcpy(dest, src, n); - else if (d) - G_MoveTiccmd(dest, src, d); - return ret+n; -} - -static inline void *G_ScpyTiccmd(ticcmd_t* dest, void* src, const size_t n) -{ - const size_t d = n / sizeof(ticcmd_t); - const size_t r = n % sizeof(ticcmd_t); - UINT8 *ret = src; - - if (r) - M_Memcpy(dest, src, n); - else if (d) - G_MoveTiccmd(dest, src, d); - return ret+n; -} - - - -// Some software don't support largest packet -// (original sersetup, not exactely, but the probability of sending a packet -// of 512 bytes is like 0.1) -UINT16 software_MAXPACKETLENGTH; - -/** Guesses the full value of a tic from its lowest byte, for a specific node - * - * \param low The lowest byte of the tic value - * \param node The node to deduce the tic for - * \return The full tic value - * - */ -tic_t ExpandTics(INT32 low, INT32 node) -{ - INT32 delta; - - delta = low - (nettics[node] & UINT8_MAX); - - if (delta >= -64 && delta <= 64) - return (nettics[node] & ~UINT8_MAX) + low; - else if (delta > 64) - return (nettics[node] & ~UINT8_MAX) - 256 + low; - else //if (delta < -64) - return (nettics[node] & ~UINT8_MAX) + 256 + low; -} - -// ----------------------------------------------------------------- -// Some extra data function for handle textcmd buffer -// ----------------------------------------------------------------- - -static void (*listnetxcmd[MAXNETXCMD])(UINT8 **p, INT32 playernum); - -void RegisterNetXCmd(netxcmd_t id, void (*cmd_f)(UINT8 **p, INT32 playernum)) -{ -#ifdef PARANOIA - if (id >= MAXNETXCMD) - I_Error("Command id %d too big", id); - if (listnetxcmd[id] != 0) - I_Error("Command id %d already used", id); -#endif - listnetxcmd[id] = cmd_f; -} - -void SendNetXCmd(netxcmd_t id, const void *param, size_t nparam) -{ - if (localtextcmd[0]+2+nparam > MAXTEXTCMD) - { - // for future reference: if (cv_debug) != debug disabled. - CONS_Alert(CONS_ERROR, M_GetText("NetXCmd buffer full, cannot add netcmd %d! (size: %d, needed: %s)\n"), id, localtextcmd[0], sizeu1(nparam)); - return; - } - localtextcmd[0]++; - localtextcmd[localtextcmd[0]] = (UINT8)id; - if (param && nparam) - { - M_Memcpy(&localtextcmd[localtextcmd[0]+1], param, nparam); - localtextcmd[0] = (UINT8)(localtextcmd[0] + (UINT8)nparam); - } -} - -// splitscreen player -void SendNetXCmd2(netxcmd_t id, const void *param, size_t nparam) -{ - if (localtextcmd2[0]+2+nparam > MAXTEXTCMD) - { - I_Error("No more place in the buffer for netcmd %d\n",id); - return; - } - localtextcmd2[0]++; - localtextcmd2[localtextcmd2[0]] = (UINT8)id; - if (param && nparam) - { - M_Memcpy(&localtextcmd2[localtextcmd2[0]+1], param, nparam); - localtextcmd2[0] = (UINT8)(localtextcmd2[0] + (UINT8)nparam); - } -} - -UINT8 GetFreeXCmdSize(void) -{ - // -1 for the size and another -1 for the ID. - return (UINT8)(localtextcmd[0] - 2); -} - -// Frees all textcmd memory for the specified tic -static void D_FreeTextcmd(tic_t tic) -{ - textcmdtic_t **tctprev = &textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; - textcmdtic_t *textcmdtic = *tctprev; - - while (textcmdtic && textcmdtic->tic != tic) - { - tctprev = &textcmdtic->next; - textcmdtic = textcmdtic->next; - } - - if (textcmdtic) - { - INT32 i; - - // Remove this tic from the list. - *tctprev = textcmdtic->next; - - // Free all players. - for (i = 0; i < TEXTCMD_HASH_SIZE; i++) - { - textcmdplayer_t *textcmdplayer = textcmdtic->playercmds[i]; - - while (textcmdplayer) - { - textcmdplayer_t *tcpnext = textcmdplayer->next; - Z_Free(textcmdplayer); - textcmdplayer = tcpnext; - } - } - - // Free this tic's own memory. - Z_Free(textcmdtic); - } -} - -// Gets the buffer for the specified ticcmd, or NULL if there isn't one -static UINT8* D_GetExistingTextcmd(tic_t tic, INT32 playernum) -{ - textcmdtic_t *textcmdtic = textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; - while (textcmdtic && textcmdtic->tic != tic) textcmdtic = textcmdtic->next; - - // Do we have an entry for the tic? If so, look for player. - if (textcmdtic) - { - textcmdplayer_t *textcmdplayer = textcmdtic->playercmds[playernum & (TEXTCMD_HASH_SIZE - 1)]; - while (textcmdplayer && textcmdplayer->playernum != playernum) textcmdplayer = textcmdplayer->next; - - if (textcmdplayer) return textcmdplayer->cmd; - } - - return NULL; -} - -// Gets the buffer for the specified ticcmd, creating one if necessary -static UINT8* D_GetTextcmd(tic_t tic, INT32 playernum) -{ - textcmdtic_t *textcmdtic = textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; - textcmdtic_t **tctprev = &textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; - textcmdplayer_t *textcmdplayer, **tcpprev; - - // Look for the tic. - while (textcmdtic && textcmdtic->tic != tic) - { - tctprev = &textcmdtic->next; - textcmdtic = textcmdtic->next; - } - - // If we don't have an entry for the tic, make it. - if (!textcmdtic) - { - textcmdtic = *tctprev = Z_Calloc(sizeof (textcmdtic_t), PU_STATIC, NULL); - textcmdtic->tic = tic; - } - - tcpprev = &textcmdtic->playercmds[playernum & (TEXTCMD_HASH_SIZE - 1)]; - textcmdplayer = *tcpprev; - - // Look for the player. - while (textcmdplayer && textcmdplayer->playernum != playernum) - { - tcpprev = &textcmdplayer->next; - textcmdplayer = textcmdplayer->next; - } - - // If we don't have an entry for the player, make it. - if (!textcmdplayer) - { - textcmdplayer = *tcpprev = Z_Calloc(sizeof (textcmdplayer_t), PU_STATIC, NULL); - textcmdplayer->playernum = playernum; - } - - return textcmdplayer->cmd; -} - -static void ExtraDataTicker(void) -{ - INT32 i; - - for (i = 0; i < MAXPLAYERS; i++) - if (playeringame[i] || i == 0) - { - UINT8 *bufferstart = D_GetExistingTextcmd(gametic, i); - - if (bufferstart) - { - UINT8 *curpos = bufferstart; - UINT8 *bufferend = &curpos[curpos[0]+1]; - - curpos++; - while (curpos < bufferend) - { - if (*curpos < MAXNETXCMD && listnetxcmd[*curpos]) - { - const UINT8 id = *curpos; - curpos++; - DEBFILE(va("executing x_cmd %s ply %u ", netxcmdnames[id - 1], i)); - (listnetxcmd[id])(&curpos, i); - DEBFILE("done\n"); - } - else - { - if (server) - { - SendKick(i, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); - DEBFILE(va("player %d kicked [gametic=%u] reason as follows:\n", i, gametic)); - } - CONS_Alert(CONS_WARNING, M_GetText("Got unknown net command [%s]=%d (max %d)\n"), sizeu1(curpos - bufferstart), *curpos, bufferstart[0]); - break; - } - } - } - } - - // If you are a client, you can safely forget the net commands for this tic - // If you are the server, you need to remember them until every client has been acknowledged, - // because if you need to resend a PT_SERVERTICS packet, you will need to put the commands in it - if (client) - D_FreeTextcmd(gametic); -} - -static void D_Clearticcmd(tic_t tic) -{ - INT32 i; - - D_FreeTextcmd(tic); - - for (i = 0; i < MAXPLAYERS; i++) - netcmds[tic%BACKUPTICS][i].angleturn = 0; - - DEBFILE(va("clear tic %5u (%2u)\n", tic, tic%BACKUPTICS)); -} - -void D_ResetTiccmds(void) -{ - INT32 i; - - memset(&localcmds, 0, sizeof(ticcmd_t)); - memset(&localcmds2, 0, sizeof(ticcmd_t)); - - // Reset the net command list - for (i = 0; i < TEXTCMD_HASH_SIZE; i++) - while (textcmds[i]) - D_Clearticcmd(textcmds[i]->tic); -} - -void SendKick(UINT8 playernum, UINT8 msg) -{ - UINT8 buf[2]; - - if (!(server && cv_rejointimeout.value)) - msg &= ~KICK_MSG_KEEP_BODY; - - buf[0] = playernum; - buf[1] = msg; - SendNetXCmd(XD_KICK, &buf, 2); -} - -// ----------------------------------------------------------------- -// end of extra data function -// ----------------------------------------------------------------- - -// ----------------------------------------------------------------- -// extra data function for lmps -// ----------------------------------------------------------------- - -// if extradatabit is set, after the ziped tic you find this: -// -// type | description -// ---------+-------------- -// byte | size of the extradata -// byte | the extradata (xd) bits: see XD_... -// with this byte you know what parameter folow -// if (xd & XDNAMEANDCOLOR) -// byte | color -// char[MAXPLAYERNAME] | name of the player -// endif -// if (xd & XD_WEAPON_PREF) -// byte | original weapon switch: boolean, true if use the old -// | weapon switch methode -// char[NUMWEAPONS] | the weapon switch priority -// byte | autoaim: true if use the old autoaim system -// endif -/*boolean AddLmpExtradata(UINT8 **demo_point, INT32 playernum) -{ - UINT8 *textcmd = D_GetExistingTextcmd(gametic, playernum); - - if (!textcmd) - return false; - - M_Memcpy(*demo_point, textcmd, textcmd[0]+1); - *demo_point += textcmd[0]+1; - return true; -} - -void ReadLmpExtraData(UINT8 **demo_pointer, INT32 playernum) -{ - UINT8 nextra; - UINT8 *textcmd; - - if (!demo_pointer) - return; - - textcmd = D_GetTextcmd(gametic, playernum); - nextra = **demo_pointer; - M_Memcpy(textcmd, *demo_pointer, nextra + 1); - // increment demo pointer - *demo_pointer += nextra + 1; -}*/ - -// ----------------------------------------------------------------- -// end extra data function for lmps -// ----------------------------------------------------------------- - -static INT16 Consistancy(void); - -typedef enum -{ - CL_SEARCHING, - CL_CHECKFILES, - CL_DOWNLOADFILES, - CL_ASKJOIN, - CL_LOADFILES, - CL_WAITJOINRESPONSE, - CL_DOWNLOADSAVEGAME, - CL_CONNECTED, - CL_ABORTED, - CL_ASKFULLFILELIST, - CL_CONFIRMCONNECT -} cl_mode_t; - -static void GetPackets(void); - -static cl_mode_t cl_mode = CL_SEARCHING; - -static UINT16 cl_lastcheckedfilecount = 0; // used for full file list - -#ifndef NONET -#define SNAKE_SPEED 5 - -#define SNAKE_NUM_BLOCKS_X 20 -#define SNAKE_NUM_BLOCKS_Y 10 -#define SNAKE_BLOCK_SIZE 12 -#define SNAKE_BORDER_SIZE 12 - -#define SNAKE_MAP_WIDTH (SNAKE_NUM_BLOCKS_X * SNAKE_BLOCK_SIZE) -#define SNAKE_MAP_HEIGHT (SNAKE_NUM_BLOCKS_Y * SNAKE_BLOCK_SIZE) - -#define SNAKE_LEFT_X ((BASEVIDWIDTH - SNAKE_MAP_WIDTH) / 2 - SNAKE_BORDER_SIZE) -#define SNAKE_RIGHT_X (SNAKE_LEFT_X + SNAKE_MAP_WIDTH + SNAKE_BORDER_SIZE * 2 - 1) -#define SNAKE_BOTTOM_Y (BASEVIDHEIGHT - 48) -#define SNAKE_TOP_Y (SNAKE_BOTTOM_Y - SNAKE_MAP_HEIGHT - SNAKE_BORDER_SIZE * 2 + 1) - -enum snake_bonustype_s { - SNAKE_BONUS_NONE = 0, - SNAKE_BONUS_SLOW, - SNAKE_BONUS_FAST, - SNAKE_BONUS_GHOST, - SNAKE_BONUS_NUKE, - SNAKE_BONUS_SCISSORS, - SNAKE_BONUS_REVERSE, - SNAKE_BONUS_EGGMAN, - SNAKE_NUM_BONUSES, -}; - -static const char *snake_bonuspatches[] = { - NULL, - "DL_SLOW", - "TVSSC0", - "TVIVC0", - "TVARC0", - "DL_SCISSORS", - "TVRCC0", - "TVEGC0", -}; - -static const char *snake_backgrounds[] = { - "RVPUMICF", - "FRSTRCKF", - "TAR", - "MMFLRB4", - "RVDARKF1", - "RVZWALF1", - "RVZWALF4", - "RVZWALF5", - "RVZGRS02", - "RVZGRS04", -}; - -typedef struct snake_s -{ - boolean paused; - boolean pausepressed; - tic_t time; - tic_t nextupdate; - boolean gameover; - UINT8 background; - - UINT16 snakelength; - enum snake_bonustype_s snakebonus; - tic_t snakebonustime; - UINT8 snakex[SNAKE_NUM_BLOCKS_X * SNAKE_NUM_BLOCKS_Y]; - UINT8 snakey[SNAKE_NUM_BLOCKS_X * SNAKE_NUM_BLOCKS_Y]; - UINT8 snakedir[SNAKE_NUM_BLOCKS_X * SNAKE_NUM_BLOCKS_Y]; - - UINT8 applex; - UINT8 appley; - - enum snake_bonustype_s bonustype; - UINT8 bonusx; - UINT8 bonusy; -} snake_t; - -static snake_t *snake = NULL; - -static void Snake_Initialise(void) -{ - if (!snake) - snake = malloc(sizeof(snake_t)); - - snake->paused = false; - snake->pausepressed = false; - snake->time = 0; - snake->nextupdate = SNAKE_SPEED; - snake->gameover = false; - snake->background = M_RandomKey(sizeof(snake_backgrounds) / sizeof(*snake_backgrounds)); - - snake->snakelength = 1; - snake->snakebonus = SNAKE_BONUS_NONE; - snake->snakex[0] = M_RandomKey(SNAKE_NUM_BLOCKS_X); - snake->snakey[0] = M_RandomKey(SNAKE_NUM_BLOCKS_Y); - snake->snakedir[0] = 0; - snake->snakedir[1] = 0; - - snake->applex = M_RandomKey(SNAKE_NUM_BLOCKS_X); - snake->appley = M_RandomKey(SNAKE_NUM_BLOCKS_Y); - - snake->bonustype = SNAKE_BONUS_NONE; -} - -static UINT8 Snake_GetOppositeDir(UINT8 dir) -{ - if (dir == 1 || dir == 3) - return dir + 1; - else if (dir == 2 || dir == 4) - return dir - 1; - else - return 12 + 5 - dir; -} - -event_t *snakejoyevents[MAXEVENTS]; -UINT16 joyeventcount = 0; - -// I'm screaming the hack is clean - ashi -static boolean Snake_Joy_Grabber(event_t *ev) -{ - if (ev->type == ev_joystick && ev->key == 0) - { - snakejoyevents[joyeventcount] = ev; - joyeventcount++; - return true; - } - else - return false; -} - -static void Snake_FindFreeSlot(UINT8 *freex, UINT8 *freey, UINT8 headx, UINT8 heady) -{ - UINT8 x, y; - UINT16 i; - - do - { - x = M_RandomKey(SNAKE_NUM_BLOCKS_X); - y = M_RandomKey(SNAKE_NUM_BLOCKS_Y); - - for (i = 0; i < snake->snakelength; i++) - if (x == snake->snakex[i] && y == snake->snakey[i]) - break; - } while (i < snake->snakelength || (x == headx && y == heady) - || (x == snake->applex && y == snake->appley) - || (snake->bonustype != SNAKE_BONUS_NONE && x == snake->bonusx && y == snake->bonusy)); - - *freex = x; - *freey = y; -} - -static void Snake_Handle(void) -{ - UINT8 x, y; - UINT8 oldx, oldy; - UINT16 i; - UINT16 j; - UINT16 joystate = 0; - static INT32 pjoyx = 0, pjoyy = 0; - - // Handle retry - if (snake->gameover && (PLAYER1INPUTDOWN(GC_JUMP) || gamekeydown[KEY_ENTER])) - { - Snake_Initialise(); - snake->pausepressed = true; // Avoid accidental pause on respawn - } - - // Handle pause - if (PLAYER1INPUTDOWN(GC_PAUSE) || gamekeydown[KEY_ENTER]) - { - if (!snake->pausepressed) - snake->paused = !snake->paused; - snake->pausepressed = true; - } - else - snake->pausepressed = false; - - if (snake->paused) - return; - - snake->time++; - - x = snake->snakex[0]; - y = snake->snakey[0]; - oldx = snake->snakex[1]; - oldy = snake->snakey[1]; - - // process the input events in here dear lord - for (j = 0; j < joyeventcount; j++) - { - event_t *ev = snakejoyevents[j]; - const INT32 jdeadzone = (JOYAXISRANGE * cv_digitaldeadzone.value) / FRACUNIT; - if (ev->y != INT32_MAX) - { - if (Joystick.bGamepadStyle || abs(ev->y) > jdeadzone) - { - if (ev->y < 0 && pjoyy >= 0) - joystate = 1; - else if (ev->y > 0 && pjoyy <= 0) - joystate = 2; - pjoyy = ev->y; - } - else - pjoyy = 0; - } - - if (ev->x != INT32_MAX) - { - if (Joystick.bGamepadStyle || abs(ev->x) > jdeadzone) - { - if (ev->x < 0 && pjoyx >= 0) - joystate = 3; - else if (ev->x > 0 && pjoyx <= 0) - joystate = 4; - pjoyx = ev->x; - } - else - pjoyx = 0; - } - } - joyeventcount = 0; - - // Update direction - if (PLAYER1INPUTDOWN(GC_STRAFELEFT) || gamekeydown[KEY_LEFTARROW] || joystate == 3) - { - if (snake->snakelength < 2 || x <= oldx) - snake->snakedir[0] = 1; - } - else if (PLAYER1INPUTDOWN(GC_STRAFERIGHT) || gamekeydown[KEY_RIGHTARROW] || joystate == 4) - { - if (snake->snakelength < 2 || x >= oldx) - snake->snakedir[0] = 2; - } - else if (PLAYER1INPUTDOWN(GC_FORWARD) || gamekeydown[KEY_UPARROW] || joystate == 1) - { - if (snake->snakelength < 2 || y <= oldy) - snake->snakedir[0] = 3; - } - else if (PLAYER1INPUTDOWN(GC_BACKWARD) || gamekeydown[KEY_DOWNARROW] || joystate == 2) - { - if (snake->snakelength < 2 || y >= oldy) - snake->snakedir[0] = 4; - } - - if (snake->snakebonustime) - { - snake->snakebonustime--; - if (!snake->snakebonustime) - snake->snakebonus = SNAKE_BONUS_NONE; - } - - snake->nextupdate--; - if (snake->nextupdate) - return; - if (snake->snakebonus == SNAKE_BONUS_SLOW) - snake->nextupdate = SNAKE_SPEED * 2; - else if (snake->snakebonus == SNAKE_BONUS_FAST) - snake->nextupdate = SNAKE_SPEED * 2 / 3; - else - snake->nextupdate = SNAKE_SPEED; - - if (snake->gameover) - return; - - // Find new position - switch (snake->snakedir[0]) - { - case 1: - if (x > 0) - x--; - else - snake->gameover = true; - break; - case 2: - if (x < SNAKE_NUM_BLOCKS_X - 1) - x++; - else - snake->gameover = true; - break; - case 3: - if (y > 0) - y--; - else - snake->gameover = true; - break; - case 4: - if (y < SNAKE_NUM_BLOCKS_Y - 1) - y++; - else - snake->gameover = true; - break; - } - - // Check collision with snake - if (snake->snakebonus != SNAKE_BONUS_GHOST) - for (i = 1; i < snake->snakelength - 1; i++) - if (x == snake->snakex[i] && y == snake->snakey[i]) - { - if (snake->snakebonus == SNAKE_BONUS_SCISSORS) - { - snake->snakebonus = SNAKE_BONUS_NONE; - snake->snakelength = i; - S_StartSound(NULL, sfx_adderr); - } - else - snake->gameover = true; - } - - if (snake->gameover) - { - S_StartSound(NULL, sfx_lose); - return; - } - - // Check collision with apple - if (x == snake->applex && y == snake->appley) - { - if (snake->snakelength + 3 < SNAKE_NUM_BLOCKS_X * SNAKE_NUM_BLOCKS_Y) - { - snake->snakelength++; - snake->snakex [snake->snakelength - 1] = snake->snakex [snake->snakelength - 2]; - snake->snakey [snake->snakelength - 1] = snake->snakey [snake->snakelength - 2]; - snake->snakedir[snake->snakelength - 1] = snake->snakedir[snake->snakelength - 2]; - } - - // Spawn new apple - Snake_FindFreeSlot(&snake->applex, &snake->appley, x, y); - - // Spawn new bonus - if (!(snake->snakelength % 5)) - { - do - { - snake->bonustype = M_RandomKey(SNAKE_NUM_BONUSES - 1) + 1; - } while (snake->snakelength > SNAKE_NUM_BLOCKS_X * SNAKE_NUM_BLOCKS_Y * 3 / 4 - && (snake->bonustype == SNAKE_BONUS_EGGMAN || snake->bonustype == SNAKE_BONUS_FAST || snake->bonustype == SNAKE_BONUS_REVERSE)); - - Snake_FindFreeSlot(&snake->bonusx, &snake->bonusy, x, y); - } - - S_StartSound(NULL, sfx_s3k6b); - } - - if (snake->snakelength > 1 && snake->snakedir[0]) - { - UINT8 dir = snake->snakedir[0]; - - oldx = snake->snakex[1]; - oldy = snake->snakey[1]; - - // Move - for (i = snake->snakelength - 1; i > 0; i--) - { - snake->snakex[i] = snake->snakex[i - 1]; - snake->snakey[i] = snake->snakey[i - 1]; - snake->snakedir[i] = snake->snakedir[i - 1]; - } - - // Handle corners - if (x < oldx && dir == 3) - dir = 5; - else if (x > oldx && dir == 3) - dir = 6; - else if (x < oldx && dir == 4) - dir = 7; - else if (x > oldx && dir == 4) - dir = 8; - else if (y < oldy && dir == 1) - dir = 9; - else if (y < oldy && dir == 2) - dir = 10; - else if (y > oldy && dir == 1) - dir = 11; - else if (y > oldy && dir == 2) - dir = 12; - snake->snakedir[1] = dir; - } - - snake->snakex[0] = x; - snake->snakey[0] = y; - - // Check collision with bonus - if (snake->bonustype != SNAKE_BONUS_NONE && x == snake->bonusx && y == snake->bonusy) - { - S_StartSound(NULL, sfx_ncchip); - - switch (snake->bonustype) - { - case SNAKE_BONUS_SLOW: - snake->snakebonus = SNAKE_BONUS_SLOW; - snake->snakebonustime = 20 * TICRATE; - break; - case SNAKE_BONUS_FAST: - snake->snakebonus = SNAKE_BONUS_FAST; - snake->snakebonustime = 20 * TICRATE; - break; - case SNAKE_BONUS_GHOST: - snake->snakebonus = SNAKE_BONUS_GHOST; - snake->snakebonustime = 10 * TICRATE; - break; - case SNAKE_BONUS_NUKE: - for (i = 0; i < snake->snakelength; i++) - { - snake->snakex [i] = snake->snakex [0]; - snake->snakey [i] = snake->snakey [0]; - snake->snakedir[i] = snake->snakedir[0]; - } - - S_StartSound(NULL, sfx_bkpoof); - break; - case SNAKE_BONUS_SCISSORS: - snake->snakebonus = SNAKE_BONUS_SCISSORS; - snake->snakebonustime = 60 * TICRATE; - break; - case SNAKE_BONUS_REVERSE: - for (i = 0; i < (snake->snakelength + 1) / 2; i++) - { - UINT16 i2 = snake->snakelength - 1 - i; - UINT8 tmpx = snake->snakex [i]; - UINT8 tmpy = snake->snakey [i]; - UINT8 tmpdir = snake->snakedir[i]; - - // Swap first segment with last segment - snake->snakex [i] = snake->snakex [i2]; - snake->snakey [i] = snake->snakey [i2]; - snake->snakedir[i] = Snake_GetOppositeDir(snake->snakedir[i2]); - snake->snakex [i2] = tmpx; - snake->snakey [i2] = tmpy; - snake->snakedir[i2] = Snake_GetOppositeDir(tmpdir); - } - - snake->snakedir[0] = 0; - - S_StartSound(NULL, sfx_gravch); - break; - default: - if (snake->snakebonus != SNAKE_BONUS_GHOST) - { - snake->gameover = true; - S_StartSound(NULL, sfx_lose); - } - } - - snake->bonustype = SNAKE_BONUS_NONE; - } -} - -static void Snake_Draw(void) -{ - INT16 i; - - // Background - V_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, 31); - - V_DrawFlatFill( - SNAKE_LEFT_X + SNAKE_BORDER_SIZE, - SNAKE_TOP_Y + SNAKE_BORDER_SIZE, - SNAKE_MAP_WIDTH, - SNAKE_MAP_HEIGHT, - W_GetNumForName(snake_backgrounds[snake->background]) - ); - - // Borders - V_DrawFill(SNAKE_LEFT_X, SNAKE_TOP_Y, SNAKE_BORDER_SIZE + SNAKE_MAP_WIDTH, SNAKE_BORDER_SIZE, 242); // Top - V_DrawFill(SNAKE_LEFT_X + SNAKE_BORDER_SIZE + SNAKE_MAP_WIDTH, SNAKE_TOP_Y, SNAKE_BORDER_SIZE, SNAKE_BORDER_SIZE + SNAKE_MAP_HEIGHT, 242); // Right - V_DrawFill(SNAKE_LEFT_X + SNAKE_BORDER_SIZE, SNAKE_TOP_Y + SNAKE_BORDER_SIZE + SNAKE_MAP_HEIGHT, SNAKE_BORDER_SIZE + SNAKE_MAP_WIDTH, SNAKE_BORDER_SIZE, 242); // Bottom - V_DrawFill(SNAKE_LEFT_X, SNAKE_TOP_Y + SNAKE_BORDER_SIZE, SNAKE_BORDER_SIZE, SNAKE_BORDER_SIZE + SNAKE_MAP_HEIGHT, 242); // Left - - // Apple - V_DrawFixedPatch( - (SNAKE_LEFT_X + SNAKE_BORDER_SIZE + snake->applex * SNAKE_BLOCK_SIZE + SNAKE_BLOCK_SIZE / 2) * FRACUNIT, - (SNAKE_TOP_Y + SNAKE_BORDER_SIZE + snake->appley * SNAKE_BLOCK_SIZE + SNAKE_BLOCK_SIZE / 2) * FRACUNIT, - FRACUNIT / 4, - 0, - W_CachePatchLongName("DL_APPLE", PU_HUDGFX), - NULL - ); - - // Bonus - if (snake->bonustype != SNAKE_BONUS_NONE) - V_DrawFixedPatch( - (SNAKE_LEFT_X + SNAKE_BORDER_SIZE + snake->bonusx * SNAKE_BLOCK_SIZE + SNAKE_BLOCK_SIZE / 2 ) * FRACUNIT, - (SNAKE_TOP_Y + SNAKE_BORDER_SIZE + snake->bonusy * SNAKE_BLOCK_SIZE + SNAKE_BLOCK_SIZE / 2 + 4) * FRACUNIT, - FRACUNIT / 2, - 0, - W_CachePatchLongName(snake_bonuspatches[snake->bonustype], PU_HUDGFX), - NULL - ); - - // Snake - if (!snake->gameover || snake->time % 8 < 8 / 2) // Blink if game over - { - for (i = snake->snakelength - 1; i >= 0; i--) - { - const char *patchname; - UINT8 dir = snake->snakedir[i]; - - if (i == 0) // Head - { - switch (dir) - { - case 1: patchname = "DL_SNAKEHEAD_L"; break; - case 2: patchname = "DL_SNAKEHEAD_R"; break; - case 3: patchname = "DL_SNAKEHEAD_T"; break; - case 4: patchname = "DL_SNAKEHEAD_B"; break; - default: patchname = "DL_SNAKEHEAD_M"; - } - } - else // Body - { - switch (dir) - { - case 1: patchname = "DL_SNAKEBODY_L"; break; - case 2: patchname = "DL_SNAKEBODY_R"; break; - case 3: patchname = "DL_SNAKEBODY_T"; break; - case 4: patchname = "DL_SNAKEBODY_B"; break; - case 5: patchname = "DL_SNAKEBODY_LT"; break; - case 6: patchname = "DL_SNAKEBODY_RT"; break; - case 7: patchname = "DL_SNAKEBODY_LB"; break; - case 8: patchname = "DL_SNAKEBODY_RB"; break; - case 9: patchname = "DL_SNAKEBODY_TL"; break; - case 10: patchname = "DL_SNAKEBODY_TR"; break; - case 11: patchname = "DL_SNAKEBODY_BL"; break; - case 12: patchname = "DL_SNAKEBODY_BR"; break; - default: patchname = "DL_SNAKEBODY_B"; - } - } - - V_DrawFixedPatch( - (SNAKE_LEFT_X + SNAKE_BORDER_SIZE + snake->snakex[i] * SNAKE_BLOCK_SIZE + SNAKE_BLOCK_SIZE / 2) * FRACUNIT, - (SNAKE_TOP_Y + SNAKE_BORDER_SIZE + snake->snakey[i] * SNAKE_BLOCK_SIZE + SNAKE_BLOCK_SIZE / 2) * FRACUNIT, - i == 0 && dir == 0 ? FRACUNIT / 5 : FRACUNIT / 2, - snake->snakebonus == SNAKE_BONUS_GHOST ? V_TRANSLUCENT : 0, - W_CachePatchLongName(patchname, PU_HUDGFX), - NULL - ); - } - } - - // Length - V_DrawString(SNAKE_RIGHT_X + 4, SNAKE_TOP_Y, V_MONOSPACE, va("%u", snake->snakelength)); - - // Bonus - if (snake->snakebonus != SNAKE_BONUS_NONE - && (snake->snakebonustime >= 3 * TICRATE || snake->time % 4 < 4 / 2)) - V_DrawFixedPatch( - (SNAKE_RIGHT_X + 10) * FRACUNIT, - (SNAKE_TOP_Y + 24) * FRACUNIT, - FRACUNIT / 2, - 0, - W_CachePatchLongName(snake_bonuspatches[snake->snakebonus], PU_HUDGFX), - NULL - ); -} - -static void CL_DrawConnectionStatusBox(void) -{ - M_DrawTextBox(BASEVIDWIDTH/2-128-8, BASEVIDHEIGHT-16-8, 32, 1); - if (cl_mode != CL_CONFIRMCONNECT) - V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-16, V_YELLOWMAP, "Press ESC to abort"); -} - -// -// CL_DrawConnectionStatus -// -// Keep the local client informed of our status. -// -static inline void CL_DrawConnectionStatus(void) -{ - INT32 ccstime = I_GetTime(); - - // Draw background fade - V_DrawFadeScreen(0xFF00, 16); // force default - - if (cl_mode != CL_DOWNLOADFILES && cl_mode != CL_LOADFILES) - { - INT32 i, animtime = ((ccstime / 4) & 15) + 16; - UINT8 palstart; - const char *cltext; - - // Draw the bottom box. - CL_DrawConnectionStatusBox(); - - if (cl_mode == CL_SEARCHING) - palstart = 32; // Red - else if (cl_mode == CL_CONFIRMCONNECT) - palstart = 48; // Orange - else - palstart = 96; // Green - - if (!(cl_mode == CL_DOWNLOADSAVEGAME && lastfilenum != -1)) - for (i = 0; i < 16; ++i) // 15 pal entries total. - V_DrawFill((BASEVIDWIDTH/2-128) + (i * 16), BASEVIDHEIGHT-16, 16, 8, palstart + ((animtime - i) & 15)); - - switch (cl_mode) - { - case CL_DOWNLOADSAVEGAME: - if (fileneeded && lastfilenum != -1) - { - UINT32 currentsize = fileneeded[lastfilenum].currentsize; - UINT32 totalsize = fileneeded[lastfilenum].totalsize; - INT32 dldlength; - - cltext = M_GetText("Downloading game state..."); - Net_GetNetStat(); - - dldlength = (INT32)((currentsize/(double)totalsize) * 256); - if (dldlength > 256) - dldlength = 256; - V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, 256, 8, 111); - V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, dldlength, 8, 96); - - V_DrawString(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, - va(" %4uK/%4uK",currentsize>>10,totalsize>>10)); - - V_DrawRightAlignedString(BASEVIDWIDTH/2+128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, - va("%3.1fK/s ", ((double)getbps)/1024)); - } - else - cltext = M_GetText("Waiting to download game state..."); - break; - case CL_ASKFULLFILELIST: - case CL_CHECKFILES: - cltext = M_GetText("Checking server addon list..."); - break; - case CL_CONFIRMCONNECT: - cltext = ""; - break; - case CL_LOADFILES: - cltext = M_GetText("Loading server addons..."); - break; - case CL_ASKJOIN: - case CL_WAITJOINRESPONSE: - if (serverisfull) - cltext = M_GetText("Server full, waiting for a slot..."); - else - cltext = M_GetText("Requesting to join..."); - break; - default: - cltext = M_GetText("Connecting to server..."); - break; - } - V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, cltext); - } - else - { - if (cl_mode == CL_LOADFILES) - { - INT32 totalfileslength; - INT32 loadcompletednum = 0; - INT32 i; - - V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-16, V_YELLOWMAP, "Press ESC to abort"); - - //ima just count files here - if (fileneeded) - { - for (i = 0; i < fileneedednum; i++) - if (fileneeded[i].status == FS_OPEN) - loadcompletednum++; - } - - // Loading progress - V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, "Loading server addons..."); - totalfileslength = (INT32)((loadcompletednum/(double)(fileneedednum)) * 256); - M_DrawTextBox(BASEVIDWIDTH/2-128-8, BASEVIDHEIGHT-16-8, 32, 1); - V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, 256, 8, 111); - V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, totalfileslength, 8, 96); - V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, - va(" %2u/%2u Files",loadcompletednum,fileneedednum)); - } - else if (lastfilenum != -1) - { - INT32 dldlength; - static char tempname[28]; - fileneeded_t *file; - char *filename; - - if (snake) - Snake_Draw(); - - // Draw the bottom box. - CL_DrawConnectionStatusBox(); - - if (fileneeded) - { - file = &fileneeded[lastfilenum]; - filename = file->filename; - } - else - return; - - Net_GetNetStat(); - dldlength = (INT32)((file->currentsize/(double)file->totalsize) * 256); - if (dldlength > 256) - dldlength = 256; - V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, 256, 8, 111); - V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, dldlength, 8, 96); - - memset(tempname, 0, sizeof(tempname)); - // offset filename to just the name only part - filename += strlen(filename) - nameonlylength(filename); - - if (strlen(filename) > sizeof(tempname)-1) // too long to display fully - { - size_t endhalfpos = strlen(filename)-10; - // display as first 14 chars + ... + last 10 chars - // which should add up to 27 if our math(s) is correct - snprintf(tempname, sizeof(tempname), "%.14s...%.10s", filename, filename+endhalfpos); - } - else // we can copy the whole thing in safely - { - strncpy(tempname, filename, sizeof(tempname)-1); - } - - V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, - va(M_GetText("Downloading \"%s\""), tempname)); - V_DrawString(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, - va(" %4uK/%4uK",fileneeded[lastfilenum].currentsize>>10,file->totalsize>>10)); - V_DrawRightAlignedString(BASEVIDWIDTH/2+128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, - va("%3.1fK/s ", ((double)getbps)/1024)); - } - else - { - if (snake) - Snake_Draw(); - - CL_DrawConnectionStatusBox(); - V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, - M_GetText("Waiting to download files...")); - } - } -} -#endif - -static boolean CL_AskFileList(INT32 firstfile) -{ - netbuffer->packettype = PT_TELLFILESNEEDED; - netbuffer->u.filesneedednum = firstfile; - - return HSendPacket(servernode, false, 0, sizeof (INT32)); -} - -/** Sends a special packet to declare how many players in local - * Used only in arbitratrenetstart() - * Sends a PT_CLIENTJOIN packet to the server - * - * \return True if the packet was successfully sent - * \todo Improve the description... - * - */ -static boolean CL_SendJoin(void) -{ - UINT8 localplayers = 1; - char const *player2name; - if (netgame) - CONS_Printf(M_GetText("Sending join request...\n")); - netbuffer->packettype = PT_CLIENTJOIN; - - netbuffer->u.clientcfg.modversion = MODVERSION; - strncpy(netbuffer->u.clientcfg.application, - SRB2APPLICATION, - sizeof netbuffer->u.clientcfg.application); - - if (splitscreen || botingame) - localplayers++; - netbuffer->u.clientcfg.localplayers = localplayers; - - CleanupPlayerName(consoleplayer, cv_playername.zstring); - if (splitscreen) - CleanupPlayerName(1, cv_playername2.zstring);/* 1 is a HACK? oh no */ - // Avoid empty string on bots to avoid softlocking in singleplayer - if (botingame) - player2name = strcmp(cv_playername.zstring, "Tails") == 0 ? "Tail" : "Tails"; - else - player2name = cv_playername2.zstring; - - strncpy(netbuffer->u.clientcfg.names[0], cv_playername.zstring, MAXPLAYERNAME); - strncpy(netbuffer->u.clientcfg.names[1], player2name, MAXPLAYERNAME); - - return HSendPacket(servernode, true, 0, sizeof (clientconfig_pak)); -} - -static INT32 FindRejoinerNum(SINT8 node) -{ - char addressbuffer[64]; - const char *nodeaddress; - const char *strippednodeaddress; - INT32 i; - - // Make sure there is no dead dress before proceeding to the stripping - if (!I_GetNodeAddress) - return -1; - nodeaddress = I_GetNodeAddress(node); - if (!nodeaddress) - return -1; - - // Strip the address of its port - strcpy(addressbuffer, nodeaddress); - strippednodeaddress = I_NetSplitAddress(addressbuffer, NULL); - - // Check if any player matches the stripped address - for (i = 0; i < MAXPLAYERS; i++) - { - if (playeringame[i] && playeraddress[i][0] && playernode[i] == UINT8_MAX - && !strcmp(playeraddress[i], strippednodeaddress)) - return i; - } - - return -1; -} - -static UINT8 -GetRefuseReason (INT32 node) -{ - if (!node || FindRejoinerNum(node) != -1) - return 0; - else if (bannednode && bannednode[node]) - return REFUSE_BANNED; - else if (!cv_allownewplayer.value) - return REFUSE_JOINS_DISABLED; - else if (D_NumPlayers() >= cv_maxplayers.value) - return REFUSE_SLOTS_FULL; - else - return 0; -} - -static void SV_SendServerInfo(INT32 node, tic_t servertime) -{ - UINT8 *p; - - netbuffer->packettype = PT_SERVERINFO; - netbuffer->u.serverinfo._255 = 255; - netbuffer->u.serverinfo.packetversion = PACKETVERSION; - netbuffer->u.serverinfo.version = VERSION; - netbuffer->u.serverinfo.subversion = SUBVERSION; - strncpy(netbuffer->u.serverinfo.application, SRB2APPLICATION, - sizeof netbuffer->u.serverinfo.application); - // return back the time value so client can compute their ping - netbuffer->u.serverinfo.time = (tic_t)LONG(servertime); - netbuffer->u.serverinfo.leveltime = (tic_t)LONG(leveltime); - - // Exclude bots from both counts - netbuffer->u.serverinfo.numberofplayer = (UINT8)(D_NumPlayers() - D_NumBots()); - netbuffer->u.serverinfo.maxplayer = (UINT8)(cv_maxplayers.value - D_NumBots()); - - netbuffer->u.serverinfo.refusereason = GetRefuseReason(node); - - strncpy(netbuffer->u.serverinfo.gametypename, Gametype_Names[gametype], - sizeof netbuffer->u.serverinfo.gametypename); - netbuffer->u.serverinfo.modifiedgame = (UINT8)modifiedgame; - netbuffer->u.serverinfo.cheatsenabled = CV_CheatsEnabled(); - netbuffer->u.serverinfo.flags = (dedicated ? SV_DEDICATED : 0); - strncpy(netbuffer->u.serverinfo.servername, cv_servername.string, - MAXSERVERNAME); - strncpy(netbuffer->u.serverinfo.mapname, G_BuildMapName(gamemap), 7); - - M_Memcpy(netbuffer->u.serverinfo.mapmd5, mapmd5, 16); - - memset(netbuffer->u.serverinfo.maptitle, 0, sizeof netbuffer->u.serverinfo.maptitle); - - if (mapheaderinfo[gamemap-1] && *mapheaderinfo[gamemap-1]->lvlttl) - { - char *read = mapheaderinfo[gamemap-1]->lvlttl, *writ = netbuffer->u.serverinfo.maptitle; - while (writ < (netbuffer->u.serverinfo.maptitle+32) && *read != '\0') - { - if (!(*read & 0x80)) - { - *writ = toupper(*read); - writ++; - } - read++; - } - *writ = '\0'; - //strncpy(netbuffer->u.serverinfo.maptitle, (char *)mapheaderinfo[gamemap-1]->lvlttl, 33); - } - else - strncpy(netbuffer->u.serverinfo.maptitle, "UNKNOWN", 32); - - if (mapheaderinfo[gamemap-1] && !(mapheaderinfo[gamemap-1]->levelflags & LF_NOZONE)) - netbuffer->u.serverinfo.iszone = 1; - else - netbuffer->u.serverinfo.iszone = 0; - - if (mapheaderinfo[gamemap-1]) - netbuffer->u.serverinfo.actnum = mapheaderinfo[gamemap-1]->actnum; - - p = PutFileNeeded(0); - - HSendPacket(node, false, 0, p - ((UINT8 *)&netbuffer->u)); -} - -static void SV_SendPlayerInfo(INT32 node) -{ - UINT8 i; - netbuffer->packettype = PT_PLAYERINFO; - - for (i = 0; i < MAXPLAYERS; i++) - { - if (!playeringame[i]) - { - netbuffer->u.playerinfo[i].num = 255; // This slot is empty. - continue; - } - - netbuffer->u.playerinfo[i].num = i; - strncpy(netbuffer->u.playerinfo[i].name, (const char *)&player_names[i], MAXPLAYERNAME+1); - netbuffer->u.playerinfo[i].name[MAXPLAYERNAME] = '\0'; - - //fetch IP address - //No, don't do that, you fuckface. - memset(netbuffer->u.playerinfo[i].address, 0, 4); - - if (G_GametypeHasTeams()) - { - if (!players[i].ctfteam) - netbuffer->u.playerinfo[i].team = 255; - else - netbuffer->u.playerinfo[i].team = (UINT8)players[i].ctfteam; - } - else - { - if (players[i].spectator) - netbuffer->u.playerinfo[i].team = 255; - else - netbuffer->u.playerinfo[i].team = 0; - } - - netbuffer->u.playerinfo[i].score = LONG(players[i].score); - netbuffer->u.playerinfo[i].timeinserver = SHORT((UINT16)(players[i].jointime / TICRATE)); - netbuffer->u.playerinfo[i].skin = (UINT8)(players[i].skin -#ifdef DEVELOP // it's safe to do this only because PLAYERINFO isn't read by the game itself - % 3 -#endif - ); - - // Extra data - netbuffer->u.playerinfo[i].data = 0; //players[i].skincolor; - - if (players[i].pflags & PF_TAGIT) - netbuffer->u.playerinfo[i].data |= 0x20; - - if (players[i].gotflag) - netbuffer->u.playerinfo[i].data |= 0x40; - - if (players[i].powers[pw_super]) - netbuffer->u.playerinfo[i].data |= 0x80; - } - - HSendPacket(node, false, 0, sizeof(plrinfo) * MAXPLAYERS); -} - -/** Sends a PT_SERVERCFG packet - * - * \param node The destination - * \return True if the packet was successfully sent - * - */ -static boolean SV_SendServerConfig(INT32 node) -{ - boolean waspacketsent; - - netbuffer->packettype = PT_SERVERCFG; - - netbuffer->u.servercfg.serverplayer = (UINT8)serverplayer; - netbuffer->u.servercfg.totalslotnum = (UINT8)(doomcom->numslots); - netbuffer->u.servercfg.gametic = (tic_t)LONG(gametic); - netbuffer->u.servercfg.clientnode = (UINT8)node; - netbuffer->u.servercfg.gamestate = (UINT8)gamestate; - netbuffer->u.servercfg.gametype = (UINT8)gametype; - netbuffer->u.servercfg.modifiedgame = (UINT8)modifiedgame; - netbuffer->u.servercfg.usedCheats = (UINT8)usedCheats; - - memcpy(netbuffer->u.servercfg.server_context, server_context, 8); - - { - const size_t len = sizeof (serverconfig_pak); - -#ifdef DEBUGFILE - if (debugfile) - { - fprintf(debugfile, "ServerConfig Packet about to be sent, size of packet:%s to node:%d\n", - sizeu1(len), node); - } -#endif - - waspacketsent = HSendPacket(node, true, 0, len); - } - -#ifdef DEBUGFILE - if (debugfile) - { - if (waspacketsent) - { - fprintf(debugfile, "ServerConfig Packet was sent\n"); - } - else - { - fprintf(debugfile, "ServerConfig Packet could not be sent right now\n"); - } - } -#endif - - return waspacketsent; -} - -#ifndef NONET -#define SAVEGAMESIZE (768*1024) - -static boolean SV_ResendingSavegameToAnyone(void) -{ - INT32 i; - - for (i = 0; i < MAXNETNODES; i++) - if (resendingsavegame[i]) - return true; - return false; -} - -static void SV_SendSaveGame(INT32 node, boolean resending) -{ - size_t length, compressedlen; - UINT8 *savebuffer; - UINT8 *compressedsave; - UINT8 *buffertosend; - - // first save it in a malloced buffer - savebuffer = (UINT8 *)malloc(SAVEGAMESIZE); - if (!savebuffer) - { - CONS_Alert(CONS_ERROR, M_GetText("No more free memory for savegame\n")); - return; - } - - // Leave room for the uncompressed length. - save_p = savebuffer + sizeof(UINT32); - - P_SaveNetGame(resending); - - length = save_p - savebuffer; - if (length > SAVEGAMESIZE) - { - free(savebuffer); - save_p = NULL; - I_Error("Savegame buffer overrun"); - } - - // Allocate space for compressed save: one byte fewer than for the - // uncompressed data to ensure that the compression is worthwhile. - compressedsave = malloc(length - 1); - if (!compressedsave) - { - CONS_Alert(CONS_ERROR, M_GetText("No more free memory for savegame\n")); - return; - } - - // Attempt to compress it. - if((compressedlen = lzf_compress(savebuffer + sizeof(UINT32), length - sizeof(UINT32), compressedsave + sizeof(UINT32), length - sizeof(UINT32) - 1))) - { - // Compressing succeeded; send compressed data - - free(savebuffer); - - // State that we're compressed. - buffertosend = compressedsave; - WRITEUINT32(compressedsave, length - sizeof(UINT32)); - length = compressedlen + sizeof(UINT32); - } - else - { - // Compression failed to make it smaller; send original - - free(compressedsave); - - // State that we're not compressed - buffertosend = savebuffer; - WRITEUINT32(savebuffer, 0); - } - - AddRamToSendQueue(node, buffertosend, length, SF_RAM, 0); - save_p = NULL; - - // Remember when we started sending the savegame so we can handle timeouts - sendingsavegame[node] = true; - freezetimeout[node] = I_GetTime() + jointimeout + length / 1024; // 1 extra tic for each kilobyte -} - -#ifdef DUMPCONSISTENCY -#define TMPSAVENAME "badmath.sav" -static consvar_t cv_dumpconsistency = CVAR_INIT ("dumpconsistency", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); - -static void SV_SavedGame(void) -{ - size_t length; - UINT8 *savebuffer; - char tmpsave[256]; - - if (!cv_dumpconsistency.value) - return; - - sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); - - // first save it in a malloced buffer - save_p = savebuffer = (UINT8 *)malloc(SAVEGAMESIZE); - if (!save_p) - { - CONS_Alert(CONS_ERROR, M_GetText("No more free memory for savegame\n")); - return; - } - - P_SaveNetGame(false); - - length = save_p - savebuffer; - if (length > SAVEGAMESIZE) - { - free(savebuffer); - save_p = NULL; - I_Error("Savegame buffer overrun"); - } - - // then save it! - if (!FIL_WriteFile(tmpsave, savebuffer, length)) - CONS_Printf(M_GetText("Didn't save %s for netgame"), tmpsave); - - free(savebuffer); - save_p = NULL; -} - -#undef TMPSAVENAME -#endif -#define TMPSAVENAME "$$$.sav" - - -static void CL_LoadReceivedSavegame(boolean reloading) -{ - UINT8 *savebuffer = NULL; - size_t length, decompressedlen; - char tmpsave[256]; - - FreeFileNeeded(); - - sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); - - length = FIL_ReadFile(tmpsave, &savebuffer); - - CONS_Printf(M_GetText("Loading savegame length %s\n"), sizeu1(length)); - if (!length) - { - I_Error("Can't read savegame sent"); - return; - } - - save_p = savebuffer; - - // Decompress saved game if necessary. - decompressedlen = READUINT32(save_p); - if(decompressedlen > 0) - { - UINT8 *decompressedbuffer = Z_Malloc(decompressedlen, PU_STATIC, NULL); - lzf_decompress(save_p, length - sizeof(UINT32), decompressedbuffer, decompressedlen); - Z_Free(savebuffer); - save_p = savebuffer = decompressedbuffer; - } - - paused = false; - demoplayback = false; - titlemapinaction = TITLEMAP_OFF; - titledemo = false; - automapactive = false; - - // load a base level - if (P_LoadNetGame(reloading)) - { - const UINT8 actnum = mapheaderinfo[gamemap-1]->actnum; - CONS_Printf(M_GetText("Map is now \"%s"), G_BuildMapName(gamemap)); - if (strcmp(mapheaderinfo[gamemap-1]->lvlttl, "")) - { - CONS_Printf(": %s", mapheaderinfo[gamemap-1]->lvlttl); - if (!(mapheaderinfo[gamemap-1]->levelflags & LF_NOZONE)) - CONS_Printf(M_GetText(" Zone")); - if (actnum > 0) - CONS_Printf(" %2d", actnum); - } - CONS_Printf("\"\n"); - } - - // done - Z_Free(savebuffer); - save_p = NULL; - if (unlink(tmpsave) == -1) - CONS_Alert(CONS_ERROR, M_GetText("Can't delete %s\n"), tmpsave); - consistancy[gametic%BACKUPTICS] = Consistancy(); - CON_ToggleOff(); - - // Tell the server we have received and reloaded the gamestate - // so they know they can resume the game - netbuffer->packettype = PT_RECEIVEDGAMESTATE; - HSendPacket(servernode, true, 0, 0); -} - -static void CL_ReloadReceivedSavegame(void) -{ - INT32 i; - - for (i = 0; i < MAXPLAYERS; i++) - { - LUA_InvalidatePlayer(&players[i]); - sprintf(player_names[i], "Player %d", i + 1); - } - - CL_LoadReceivedSavegame(true); - - if (neededtic < gametic) - neededtic = gametic; - maketic = neededtic; - - ticcmd_oldangleturn[0] = players[consoleplayer].oldrelangleturn; - P_ForceLocalAngle(&players[consoleplayer], (angle_t)(players[consoleplayer].angleturn << 16)); - if (splitscreen) - { - ticcmd_oldangleturn[1] = players[secondarydisplayplayer].oldrelangleturn; - P_ForceLocalAngle(&players[secondarydisplayplayer], (angle_t)(players[secondarydisplayplayer].angleturn << 16)); - } - - camera.subsector = R_PointInSubsector(camera.x, camera.y); - camera2.subsector = R_PointInSubsector(camera2.x, camera2.y); - - cl_redownloadinggamestate = false; - - CONS_Printf(M_GetText("Game state reloaded\n")); -} -#endif - -#ifndef NONET -static void SendAskInfo(INT32 node) -{ - const tic_t asktime = I_GetTime(); - netbuffer->packettype = PT_ASKINFO; - netbuffer->u.askinfo.version = VERSION; - netbuffer->u.askinfo.time = (tic_t)LONG(asktime); - - // Even if this never arrives due to the host being firewalled, we've - // now allowed traffic from the host to us in, so once the MS relays - // our address to the host, it'll be able to speak to us. - HSendPacket(node, false, 0, sizeof (askinfo_pak)); -} - -serverelem_t serverlist[MAXSERVERLIST]; -UINT32 serverlistcount = 0; - -#define FORCECLOSE 0x8000 - -static void SL_ClearServerList(INT32 connectedserver) -{ - UINT32 i; - - for (i = 0; i < serverlistcount; i++) - if (connectedserver != serverlist[i].node) - { - Net_CloseConnection(serverlist[i].node|FORCECLOSE); - serverlist[i].node = 0; - } - serverlistcount = 0; -} - -static UINT32 SL_SearchServer(INT32 node) -{ - UINT32 i; - for (i = 0; i < serverlistcount; i++) - if (serverlist[i].node == node) - return i; - - return UINT32_MAX; -} - -static void SL_InsertServer(serverinfo_pak* info, SINT8 node) -{ - UINT32 i; - - // search if not already on it - i = SL_SearchServer(node); - if (i == UINT32_MAX) - { - // not found add it - if (serverlistcount >= MAXSERVERLIST) - return; // list full - - /* check it later if connecting to this one */ - if (node != servernode) - { - if (info->_255 != 255) - return;/* old packet format */ - - if (info->packetversion != PACKETVERSION) - return;/* old new packet format */ - - if (info->version != VERSION) - return; // Not same version. - - if (info->subversion != SUBVERSION) - return; // Close, but no cigar. - - if (strcmp(info->application, SRB2APPLICATION)) - return;/* that's a different mod */ - } - - i = serverlistcount++; - } - - serverlist[i].info = *info; - serverlist[i].node = node; - - // resort server list - M_SortServerList(); -} - -#if defined (MASTERSERVER) && defined (HAVE_THREADS) -struct Fetch_servers_ctx -{ - int room; - int id; -}; - -static void -Fetch_servers_thread (struct Fetch_servers_ctx *ctx) -{ - msg_server_t *server_list; - - server_list = GetShortServersList(ctx->room, ctx->id); - - if (server_list) - { - I_lock_mutex(&ms_QueryId_mutex); - { - if (ctx->id != ms_QueryId) - { - free(server_list); - server_list = NULL; - } - } - I_unlock_mutex(ms_QueryId_mutex); - - if (server_list) - { - I_lock_mutex(&m_menu_mutex); - { - if (m_waiting_mode == M_WAITING_SERVERS) - m_waiting_mode = M_NOT_WAITING; - } - I_unlock_mutex(m_menu_mutex); - - I_lock_mutex(&ms_ServerList_mutex); - { - ms_ServerList = server_list; - } - I_unlock_mutex(ms_ServerList_mutex); - } - } - - free(ctx); -} -#endif/*defined (MASTERSERVER) && defined (HAVE_THREADS)*/ - -void CL_QueryServerList (msg_server_t *server_list) -{ - INT32 i; - - for (i = 0; server_list[i].header.buffer[0]; i++) - { - // Make sure MS version matches our own, to - // thwart nefarious servers who lie to the MS. - - /* lol bruh, that version COMES from the servers */ - //if (strcmp(version, server_list[i].version) == 0) - { - INT32 node = I_NetMakeNodewPort(server_list[i].ip, server_list[i].port); - if (node == -1) - break; // no more node free - SendAskInfo(node); - // Force close the connection so that servers can't eat - // up nodes forever if we never get a reply back from them - // (usually when they've not forwarded their ports). - // - // Don't worry, we'll get in contact with the working - // servers again when they send SERVERINFO to us later! - // - // (Note: as a side effect this probably means every - // server in the list will probably be using the same node (e.g. node 1), - // not that it matters which nodes they use when - // the connections are closed afterwards anyway) - // -- Monster Iestyn 12/11/18 - Net_CloseConnection(node|FORCECLOSE); - } - } -} - -void CL_UpdateServerList(boolean internetsearch, INT32 room) -{ - (void)internetsearch; - (void)room; - - SL_ClearServerList(0); - - if (!netgame && I_NetOpenSocket) - { - if (I_NetOpenSocket()) - { - netgame = true; - multiplayer = true; - } - } - - // search for local servers - if (netgame) - SendAskInfo(BROADCASTADDR); - -#ifdef MASTERSERVER - if (internetsearch) - { -#ifdef HAVE_THREADS - struct Fetch_servers_ctx *ctx; - - ctx = malloc(sizeof *ctx); - - /* This called from M_Refresh so I don't use a mutex */ - m_waiting_mode = M_WAITING_SERVERS; - - I_lock_mutex(&ms_QueryId_mutex); - { - ctx->id = ms_QueryId; - } - I_unlock_mutex(ms_QueryId_mutex); - - ctx->room = room; - - I_spawn_thread("fetch-servers", (I_thread_fn)Fetch_servers_thread, ctx); -#else - msg_server_t *server_list; - - server_list = GetShortServersList(room, 0); - - if (server_list) - { - CL_QueryServerList(server_list); - free(server_list); - } -#endif - } -#endif/*MASTERSERVER*/ -} - -#endif // ifndef NONET - -static void M_ConfirmConnect(event_t *ev) -{ -#ifndef NONET - if (ev->type == ev_keydown) - { - if (ev->key == ' ' || ev->key == 'y' || ev->key == KEY_ENTER || ev->key == KEY_JOY1) - { - if (totalfilesrequestednum > 0) - { - if (CL_SendFileRequest()) - { - cl_mode = CL_DOWNLOADFILES; - Snake_Initialise(); - } - } - else - cl_mode = CL_LOADFILES; - - M_ClearMenus(true); - } - else if (ev->key == 'n' || ev->key == KEY_ESCAPE || ev->key == KEY_JOY1 + 3) - { - cl_mode = CL_ABORTED; - M_ClearMenus(true); - } - } -#else - (void)ev; -#endif -} - -static boolean CL_FinishedFileList(void) -{ - INT32 i; - char *downloadsize = NULL; - - //CONS_Printf(M_GetText("Checking files...\n")); - i = CL_CheckFiles(); - if (i == 4) // still checking ... - { - return true; - } - else if (i == 3) // too many files - { - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - M_StartMessage(M_GetText( - "You have too many WAD files loaded\n" - "to add ones the server is using.\n" - "Please restart SRB2 before connecting.\n\n" - "Press ESC\n" - ), NULL, MM_NOTHING); - return false; - } - else if (i == 2) // cannot join for some reason - { - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - M_StartMessage(M_GetText( - "You have the wrong addons loaded.\n\n" - "To play on this server, restart\n" - "the game and don't load any addons.\n" - "SRB2 will automatically add\n" - "everything you need when you join.\n\n" - "Press ESC\n" - ), NULL, MM_NOTHING); - return false; - } - else if (i == 1) - { - if (serverisfull) - { - M_StartMessage(M_GetText( - "This server is full!\n" - "\n" - "You may load server addons (if any), and wait for a slot.\n" - "\n" - "Press ENTER to continue\nor ESC to cancel.\n\n" - ), M_ConfirmConnect, MM_EVENTHANDLER); - cl_mode = CL_CONFIRMCONNECT; - curfadevalue = 0; - } - else - cl_mode = CL_LOADFILES; - } - else - { - // must download something - // can we, though? - if (!CL_CheckDownloadable()) // nope! - { - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - M_StartMessage(M_GetText( - "An error occured when trying to\n" - "download missing addons.\n" - "(This is almost always a problem\n" - "with the server, not your game.)\n\n" - "See the console or log file\n" - "for additional details.\n\n" - "Press ESC\n" - ), NULL, MM_NOTHING); - return false; - } - -#ifndef NONET - downloadcompletednum = 0; - downloadcompletedsize = 0; - totalfilesrequestednum = 0; - totalfilesrequestedsize = 0; - - if (fileneeded == NULL) - I_Error("CL_FinishedFileList: fileneeded == NULL"); - - for (i = 0; i < fileneedednum; i++) - if (fileneeded[i].status == FS_NOTFOUND || fileneeded[i].status == FS_MD5SUMBAD) - { - totalfilesrequestednum++; - totalfilesrequestedsize += fileneeded[i].totalsize; - } - - if (totalfilesrequestedsize>>20 >= 100) - downloadsize = Z_StrDup(va("%uM",totalfilesrequestedsize>>20)); - else - downloadsize = Z_StrDup(va("%uK",totalfilesrequestedsize>>10)); -#endif - - if (serverisfull) - M_StartMessage(va(M_GetText( - "This server is full!\n" - "Download of %s additional content\nis required to join.\n" - "\n" - "You may download, load server addons,\nand wait for a slot.\n" - "\n" - "Press ENTER to continue\nor ESC to cancel.\n" - ), downloadsize), M_ConfirmConnect, MM_EVENTHANDLER); - else - M_StartMessage(va(M_GetText( - "Download of %s additional content\nis required to join.\n" - "\n" - "Press ENTER to continue\nor ESC to cancel.\n" - ), downloadsize), M_ConfirmConnect, MM_EVENTHANDLER); - - Z_Free(downloadsize); - cl_mode = CL_CONFIRMCONNECT; - curfadevalue = 0; - } - return true; -} - -#ifndef NONET -static const char * InvalidServerReason (serverinfo_pak *info) -{ -#define EOT "\nPress ESC\n" - - /* magic number for new packet format */ - if (info->_255 != 255) - { - return - "Outdated server (version unknown).\n" EOT; - } - - if (strncmp(info->application, SRB2APPLICATION, sizeof - info->application)) - { - return va( - "%s cannot connect\n" - "to %s servers.\n" EOT, - SRB2APPLICATION, - info->application); - } - - if ( - info->packetversion != PACKETVERSION || - info->version != VERSION || - info->subversion != SUBVERSION - ){ - return va( - "Incompatible %s versions.\n" - "(server version %d.%d.%d)\n" EOT, - SRB2APPLICATION, - info->version / 100, - info->version % 100, - info->subversion); - } - - switch (info->refusereason) - { - case REFUSE_BANNED: - return - "You have been banned\n" - "from the server.\n" EOT; - case REFUSE_JOINS_DISABLED: - return - "The server is not accepting\n" - "joins for the moment.\n" EOT; - case REFUSE_SLOTS_FULL: - return va( - "Maximum players reached: %d\n" EOT, - info->maxplayer); - default: - if (info->refusereason) - { - return - "You can't join.\n" - "I don't know why,\n" - "but you can't join.\n" EOT; - } - } - - return NULL; - -#undef EOT -} -#endif // ifndef NONET - -/** Called by CL_ServerConnectionTicker - * - * \param asksent The last time we asked the server to join. We re-ask every second in case our request got lost in transmit. - * \return False if the connection was aborted - * \sa CL_ServerConnectionTicker - * \sa CL_ConnectToServer - * - */ -static boolean CL_ServerConnectionSearchTicker(tic_t *asksent) -{ -#ifndef NONET - INT32 i; - - // serverlist is updated by GetPacket function - if (serverlistcount > 0) - { - // this can be a responce to our broadcast request - if (servernode == -1 || servernode >= MAXNETNODES) - { - i = 0; - servernode = serverlist[i].node; - CONS_Printf(M_GetText("Found, ")); - } - else - { - i = SL_SearchServer(servernode); - if (i < 0) - return true; - } - - if (client) - { - serverinfo_pak *info = &serverlist[i].info; - - if (info->refusereason == REFUSE_SLOTS_FULL) - serverisfull = true; - else - { - const char *reason = InvalidServerReason(info); - - // Quit here rather than downloading files - // and being refused later. - if (reason) - { - char *message = Z_StrDup(reason); - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - M_StartMessage(message, NULL, MM_NOTHING); - Z_Free(message); - return false; - } - } - - D_ParseFileneeded(info->fileneedednum, info->fileneeded, 0); - - if (info->flags & SV_LOTSOFADDONS) - { - cl_mode = CL_ASKFULLFILELIST; - cl_lastcheckedfilecount = 0; - return true; - } - - cl_mode = CL_CHECKFILES; - } - else - { - cl_mode = CL_ASKJOIN; // files need not be checked for the server. - *asksent = 0; - } - - return true; - } - - // Ask the info to the server (askinfo packet) - if (*asksent + NEWTICRATE < I_GetTime()) - { - SendAskInfo(servernode); - *asksent = I_GetTime(); - } -#else - (void)asksent; - // No netgames, so we skip this state. - cl_mode = CL_ASKJOIN; -#endif // ifndef NONET/else - - return true; -} - -/** Called by CL_ConnectToServer - * - * \param tmpsave The name of the gamestate file??? - * \param oldtic Used for knowing when to poll events and redraw - * \param asksent ??? - * \return False if the connection was aborted - * \sa CL_ServerConnectionSearchTicker - * \sa CL_ConnectToServer - * - */ -static boolean CL_ServerConnectionTicker(const char *tmpsave, tic_t *oldtic, tic_t *asksent) -{ - boolean waitmore; - INT32 i; - -#ifdef NONET - (void)tmpsave; -#endif - - switch (cl_mode) - { - case CL_SEARCHING: - if (!CL_ServerConnectionSearchTicker(asksent)) - return false; - break; - - case CL_ASKFULLFILELIST: - if (cl_lastcheckedfilecount == UINT16_MAX) // All files retrieved - cl_mode = CL_CHECKFILES; - else if (fileneedednum != cl_lastcheckedfilecount || I_GetTime() >= *asksent) - { - if (CL_AskFileList(fileneedednum)) - { - cl_lastcheckedfilecount = fileneedednum; - *asksent = I_GetTime() + NEWTICRATE; - } - } - break; - case CL_CHECKFILES: - if (!CL_FinishedFileList()) - return false; - break; - case CL_DOWNLOADFILES: - waitmore = false; - for (i = 0; i < fileneedednum; i++) - if (fileneeded[i].status == FS_DOWNLOADING - || fileneeded[i].status == FS_REQUESTED) - { - waitmore = true; - break; - } - if (waitmore) - break; // exit the case - -#ifndef NONET - if (snake) - { - free(snake); - snake = NULL; - } -#endif - - cl_mode = CL_LOADFILES; - break; - case CL_LOADFILES: - if (CL_LoadServerFiles()) - { - FreeFileNeeded(); - *asksent = 0; //This ensure the first join ask is right away - firstconnectattempttime = I_GetTime(); - cl_mode = CL_ASKJOIN; - } - break; - case CL_ASKJOIN: - if (firstconnectattempttime + NEWTICRATE*300 < I_GetTime() && !server) - { - CONS_Printf(M_GetText("5 minute wait time exceeded.\n")); - CONS_Printf(M_GetText("Network game synchronization aborted.\n")); - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - M_StartMessage(M_GetText( - "5 minute wait time exceeded.\n" - "You may retry connection.\n" - "\n" - "Press ESC\n" - ), NULL, MM_NOTHING); - return false; - } -#ifndef NONET - // prepare structures to save the file - // WARNING: this can be useless in case of server not in GS_LEVEL - // but since the network layer doesn't provide ordered packets... - CL_PrepareDownloadSaveGame(tmpsave); -#endif - if (I_GetTime() >= *asksent && CL_SendJoin()) - { - *asksent = I_GetTime() + NEWTICRATE*3; - cl_mode = CL_WAITJOINRESPONSE; - } - break; - case CL_WAITJOINRESPONSE: - if (I_GetTime() >= *asksent) - { - cl_mode = CL_ASKJOIN; - } - break; -#ifndef NONET - case CL_DOWNLOADSAVEGAME: - // At this state, the first (and only) needed file is the gamestate - if (fileneeded[0].status == FS_FOUND) - { - // Gamestate is now handled within CL_LoadReceivedSavegame() - CL_LoadReceivedSavegame(false); - cl_mode = CL_CONNECTED; - } // don't break case continue to CL_CONNECTED - else - break; -#endif - - case CL_CONNECTED: - case CL_CONFIRMCONNECT: //logic is handled by M_ConfirmConnect - default: - break; - - // Connection closed by cancel, timeout or refusal. - case CL_ABORTED: - cl_mode = CL_SEARCHING; - return false; - } - - GetPackets(); - Net_AckTicker(); - - // Call it only once by tic - if (*oldtic != I_GetTime()) - { - I_OsPolling(); - - if (cl_mode == CL_CONFIRMCONNECT) - D_ProcessEvents(); //needed for menu system to receive inputs - else - { - // my hand has been forced and I am dearly sorry for this awful hack :vomit: - for (; eventtail != eventhead; eventtail = (eventtail+1) & (MAXEVENTS-1)) - { -#ifndef NONET - if (!Snake_Joy_Grabber(&events[eventtail])) -#endif - G_MapEventsToControls(&events[eventtail]); - } - } - - if (gamekeydown[KEY_ESCAPE] || gamekeydown[KEY_JOY1+1] || cl_mode == CL_ABORTED) - { - CONS_Printf(M_GetText("Network game synchronization aborted.\n")); - M_StartMessage(M_GetText("Network game synchronization aborted.\n\nPress ESC\n"), NULL, MM_NOTHING); - -#ifndef NONET - if (snake) - { - free(snake); - snake = NULL; - } -#endif - - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - memset(gamekeydown, 0, NUMKEYS); - return false; - } -#ifndef NONET - else if (cl_mode == CL_DOWNLOADFILES && snake) - Snake_Handle(); -#endif - - if (client && (cl_mode == CL_DOWNLOADFILES || cl_mode == CL_DOWNLOADSAVEGAME)) - FileReceiveTicker(); - - // why are these here? this is for servers, we're a client - //if (key == 's' && server) - // doomcom->numnodes = (INT16)pnumnodes; - //FileSendTicker(); - *oldtic = I_GetTime(); - -#ifndef NONET - if (client && cl_mode != CL_CONNECTED && cl_mode != CL_ABORTED) - { - if (!snake) - { - F_MenuPresTicker(); // title sky - F_TitleScreenTicker(true); - F_TitleScreenDrawer(); - } - CL_DrawConnectionStatus(); -#ifdef HAVE_THREADS - I_lock_mutex(&m_menu_mutex); -#endif - M_Drawer(); //Needed for drawing messageboxes on the connection screen -#ifdef HAVE_THREADS - I_unlock_mutex(m_menu_mutex); -#endif - I_UpdateNoVsync(); // page flip or blit buffer - if (moviemode) - M_SaveFrame(); - S_UpdateSounds(); - S_UpdateClosedCaptions(); - } -#else - CON_Drawer(); - I_UpdateNoVsync(); -#endif - } - else - { - I_Sleep(cv_sleep.value); - I_UpdateTime(cv_timescale.value); - } - - return true; -} - -/** Use adaptive send using net_bandwidth and stat.sendbytes - * - * \todo Better description... - * - */ -static void CL_ConnectToServer(void) -{ - INT32 pnumnodes, nodewaited = doomcom->numnodes, i; - tic_t oldtic; -#ifndef NONET - tic_t asksent; - char tmpsave[256]; - - sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); - - lastfilenum = -1; -#endif - - cl_mode = CL_SEARCHING; - -#ifndef NONET - // Don't get a corrupt savegame error because tmpsave already exists - if (FIL_FileExists(tmpsave) && unlink(tmpsave) == -1) - I_Error("Can't delete %s\n", tmpsave); -#endif - - if (netgame) - { - if (servernode < 0 || servernode >= MAXNETNODES) - CONS_Printf(M_GetText("Searching for a server...\n")); - else - CONS_Printf(M_GetText("Contacting the server...\n")); - } - - if (gamestate == GS_INTERMISSION) - Y_EndIntermission(); // clean up intermission graphics etc - - DEBFILE(va("waiting %d nodes\n", doomcom->numnodes)); - G_SetGamestate(GS_WAITINGPLAYERS); - wipegamestate = GS_WAITINGPLAYERS; - - ClearAdminPlayers(); - pnumnodes = 1; - oldtic = I_GetTime() - 1; - -#ifndef NONET - asksent = (tic_t) - TICRATE; - firstconnectattempttime = I_GetTime(); - - i = SL_SearchServer(servernode); - - if (i != -1) - { - char *gametypestr = serverlist[i].info.gametypename; - CONS_Printf(M_GetText("Connecting to: %s\n"), serverlist[i].info.servername); - gametypestr[sizeof serverlist[i].info.gametypename - 1] = '\0'; - CONS_Printf(M_GetText("Gametype: %s\n"), gametypestr); - CONS_Printf(M_GetText("Version: %d.%d.%u\n"), serverlist[i].info.version/100, - serverlist[i].info.version%100, serverlist[i].info.subversion); - } - SL_ClearServerList(servernode); -#endif - - do - { - // If the connection was aborted for some reason, leave -#ifndef NONET - if (!CL_ServerConnectionTicker(tmpsave, &oldtic, &asksent)) -#else - if (!CL_ServerConnectionTicker((char*)NULL, &oldtic, (tic_t *)NULL)) -#endif - return; - - if (server) - { - pnumnodes = 0; - for (i = 0; i < MAXNETNODES; i++) - if (nodeingame[i]) - pnumnodes++; - } - } - while (!(cl_mode == CL_CONNECTED && (client || (server && nodewaited <= pnumnodes)))); - - if (netgame) - F_StartWaitingPlayers(); - DEBFILE(va("Synchronisation Finished\n")); - - displayplayer = consoleplayer; -} - -#ifndef NONET -typedef struct banreason_s -{ - char *reason; - struct banreason_s *prev; //-1 - struct banreason_s *next; //+1 -} banreason_t; - -static banreason_t *reasontail = NULL; //last entry, use prev -static banreason_t *reasonhead = NULL; //1st entry, use next - -static void Command_ShowBan(void) //Print out ban list -{ - size_t i; - const char *address, *mask; - banreason_t *reasonlist = reasonhead; - - if (I_GetBanAddress) - CONS_Printf(M_GetText("Ban List:\n")); - else - return; - - for (i = 0;(address = I_GetBanAddress(i)) != NULL;i++) - { - if (!I_GetBanMask || (mask = I_GetBanMask(i)) == NULL) - CONS_Printf("%s: %s ", sizeu1(i+1), address); - else - CONS_Printf("%s: %s/%s ", sizeu1(i+1), address, mask); - - if (reasonlist && reasonlist->reason) - CONS_Printf("(%s)\n", reasonlist->reason); - else - CONS_Printf("\n"); - - if (reasonlist) reasonlist = reasonlist->next; - } - - if (i == 0 && !address) - CONS_Printf(M_GetText("(empty)\n")); -} - -void D_SaveBan(void) -{ - FILE *f; - size_t i; - banreason_t *reasonlist = reasonhead; - const char *address, *mask; - const char *path = va("%s"PATHSEP"%s", srb2home, "ban.txt"); - - if (!reasonhead) - { - remove(path); - return; - } - - f = fopen(path, "w"); - - if (!f) - { - CONS_Alert(CONS_WARNING, M_GetText("Could not save ban list into ban.txt\n")); - return; - } - - for (i = 0;(address = I_GetBanAddress(i)) != NULL;i++) - { - if (!I_GetBanMask || (mask = I_GetBanMask(i)) == NULL) - fprintf(f, "%s 0", address); - else - fprintf(f, "%s %s", address, mask); - - if (reasonlist && reasonlist->reason) - fprintf(f, " %s\n", reasonlist->reason); - else - fprintf(f, " %s\n", "NA"); - - if (reasonlist) reasonlist = reasonlist->next; - } - - fclose(f); -} - -static void Ban_Add(const char *reason) -{ - banreason_t *reasonlist = malloc(sizeof(*reasonlist)); - - if (!reasonlist) - return; - if (!reason) - reason = "NA"; - - reasonlist->next = NULL; - reasonlist->reason = Z_StrDup(reason); - if ((reasonlist->prev = reasontail) == NULL) - reasonhead = reasonlist; - else - reasontail->next = reasonlist; - reasontail = reasonlist; -} - -static void Ban_Clear(void) -{ - banreason_t *temp; - - I_ClearBans(); - - reasontail = NULL; - - while (reasonhead) - { - temp = reasonhead->next; - Z_Free(reasonhead->reason); - free(reasonhead); - reasonhead = temp; - } -} - -static void Command_ClearBans(void) -{ - if (!I_ClearBans) - return; - - Ban_Clear(); - D_SaveBan(); -} - -static void Ban_Load_File(boolean warning) -{ - FILE *f; - size_t i; - const char *address, *mask; - char buffer[MAX_WADPATH]; - - if (!I_ClearBans) - return; - - f = fopen(va("%s"PATHSEP"%s", srb2home, "ban.txt"), "r"); - - if (!f) - { - if (warning) - CONS_Alert(CONS_WARNING, M_GetText("Could not open ban.txt for ban list\n")); - return; - } - - Ban_Clear(); - - for (i=0; fgets(buffer, (int)sizeof(buffer), f); i++) - { - address = strtok(buffer, " \t\r\n"); - mask = strtok(NULL, " \t\r\n"); - - I_SetBanAddress(address, mask); - - Ban_Add(strtok(NULL, "\r\n")); - } - - fclose(f); -} - -static void Command_ReloadBan(void) //recheck ban.txt -{ - Ban_Load_File(true); -} - -static void Command_connect(void) -{ - if (COM_Argc() < 2 || *COM_Argv(1) == 0) - { - CONS_Printf(M_GetText( - "Connect (port): connect to a server\n" - "Connect ANY: connect to the first lan server found\n" - //"Connect SELF: connect to your own server.\n" - )); - return; - } - - if (Playing() || titledemo) - { - CONS_Printf(M_GetText("You cannot connect while in a game. End this game first.\n")); - return; - } - - // modified game check: no longer handled - // we don't request a restart unless the filelist differs - - server = false; -/* - if (!stricmp(COM_Argv(1), "self")) - { - servernode = 0; - server = true; - /// \bug should be but... - //SV_SpawnServer(); - } - else -*/ - { - // used in menu to connect to a server in the list - if (netgame && !stricmp(COM_Argv(1), "node")) - { - servernode = (SINT8)atoi(COM_Argv(2)); - } - else if (netgame) - { - CONS_Printf(M_GetText("You cannot connect while in a game. End this game first.\n")); - return; - } - else if (I_NetOpenSocket) - { - I_NetOpenSocket(); - netgame = true; - multiplayer = true; - - if (!stricmp(COM_Argv(1), "any")) - servernode = BROADCASTADDR; - else if (I_NetMakeNodewPort) - { - if (COM_Argc() >= 3) // address AND port - servernode = I_NetMakeNodewPort(COM_Argv(1), COM_Argv(2)); - else // address only, or address:port - servernode = I_NetMakeNode(COM_Argv(1)); - } - else - { - CONS_Alert(CONS_ERROR, M_GetText("There is no server identification with this network driver\n")); - D_CloseConnection(); - return; - } - } - else - CONS_Alert(CONS_ERROR, M_GetText("There is no network driver\n")); - } - - splitscreen = false; - SplitScreen_OnChange(); - botingame = false; - botskin = 0; - CL_ConnectToServer(); -} -#endif - -static void ResetNode(INT32 node); - -// -// CL_ClearPlayer -// -// Clears the player data so that a future client can use this slot -// -void CL_ClearPlayer(INT32 playernum) -{ - if (players[playernum].mo) - P_RemoveMobj(players[playernum].mo); - memset(&players[playernum], 0, sizeof (player_t)); - memset(playeraddress[playernum], 0, sizeof(*playeraddress)); -} - -// -// CL_RemovePlayer -// -// Removes a player from the current game -// -void CL_RemovePlayer(INT32 playernum, kickreason_t reason) -{ - // Sanity check: exceptional cases (i.e. c-fails) can cause multiple - // kick commands to be issued for the same player. - if (!playeringame[playernum]) - return; - - if (server && !demoplayback && playernode[playernum] != UINT8_MAX) - { - INT32 node = playernode[playernum]; - playerpernode[node]--; - if (playerpernode[node] <= 0) - { - nodeingame[node] = false; - Net_CloseConnection(node); - ResetNode(node); - } - } - - if (gametyperules & GTR_TEAMFLAGS) - P_PlayerFlagBurst(&players[playernum], false); // Don't take the flag with you! - - // If in a special stage, redistribute the player's spheres across - // the remaining players. - if (G_IsSpecialStage(gamemap)) - { - INT32 i, count, sincrement, spheres, rincrement, rings; - - for (i = 0, count = 0; i < MAXPLAYERS; i++) - { - if (playeringame[i]) - count++; - } - - count--; - sincrement = spheres = players[playernum].spheres; - rincrement = rings = players[playernum].rings; - - if (count) - { - sincrement /= count; - rincrement /= count; - } - - for (i = 0; i < MAXPLAYERS; i++) - { - if (playeringame[i] && i != playernum) - { - if (spheres < 2*sincrement) - { - P_GivePlayerSpheres(&players[i], spheres); - spheres = 0; - } - else - { - P_GivePlayerSpheres(&players[i], sincrement); - spheres -= sincrement; - } - - if (rings < 2*rincrement) - { - P_GivePlayerRings(&players[i], rings); - rings = 0; - } - else - { - P_GivePlayerRings(&players[i], rincrement); - rings -= rincrement; - } - } - } - } - - LUA_HookPlayerQuit(&players[playernum], reason); // Lua hook for player quitting - - // don't look through someone's view who isn't there - if (playernum == displayplayer) - { - // Call ViewpointSwitch hooks here. - // The viewpoint was forcibly changed. - LUA_HookViewpointSwitch(&players[consoleplayer], &players[consoleplayer], true); - displayplayer = consoleplayer; - } - - // Reset player data - CL_ClearPlayer(playernum); - - // remove avatar of player - playeringame[playernum] = false; - playernode[playernum] = UINT8_MAX; - while (!playeringame[doomcom->numslots-1] && doomcom->numslots > 1) - doomcom->numslots--; - - // Reset the name - sprintf(player_names[playernum], "Player %d", playernum+1); - - player_name_changes[playernum] = 0; - - if (IsPlayerAdmin(playernum)) - { - RemoveAdminPlayer(playernum); // don't stay admin after you're gone - } - - LUA_InvalidatePlayer(&players[playernum]); - - if (G_TagGametype()) //Check if you still have a game. Location flexible. =P - P_CheckSurvivors(); - else if (gametyperules & GTR_RACE) - P_CheckRacers(); -} - -void CL_Reset(void) -{ - if (metalrecording) - G_StopMetalRecording(false); - if (metalplayback) - G_StopMetalDemo(); - if (demorecording) - G_CheckDemoStatus(); - - // reset client/server code - DEBFILE(va("\n-=-=-=-=-=-=-= Client reset =-=-=-=-=-=-=-\n\n")); - - if (servernode > 0 && servernode < MAXNETNODES) - { - nodeingame[(UINT8)servernode] = false; - Net_CloseConnection(servernode); - } - D_CloseConnection(); // netgame = false - multiplayer = false; - servernode = 0; - server = true; - doomcom->numnodes = 1; - doomcom->numslots = 1; - SV_StopServer(); - SV_ResetServer(); - - // make sure we don't leave any fileneeded gunk over from a failed join - FreeFileNeeded(); - fileneedednum = 0; - -#ifndef NONET - totalfilesrequestednum = 0; - totalfilesrequestedsize = 0; -#endif - firstconnectattempttime = 0; - serverisfull = false; - connectiontimeout = (tic_t)cv_nettimeout.value; //reset this temporary hack - - // D_StartTitle should get done now, but the calling function will handle it -} - -#ifndef NONET -static void Command_GetPlayerNum(void) -{ - INT32 i; - - for (i = 0; i < MAXPLAYERS; i++) - if (playeringame[i]) - { - if (serverplayer == i) - CONS_Printf(M_GetText("num:%2d node:%2d %s\n"), i, playernode[i], player_names[i]); - else - CONS_Printf(M_GetText("\x82num:%2d node:%2d %s\n"), i, playernode[i], player_names[i]); - } -} - -SINT8 nametonum(const char *name) -{ - INT32 playernum, i; - - if (!strcmp(name, "0")) - return 0; - - playernum = (SINT8)atoi(name); - - if (playernum < 0 || playernum >= MAXPLAYERS) - return -1; - - if (playernum) - { - if (playeringame[playernum]) - return (SINT8)playernum; - else - return -1; - } - - for (i = 0; i < MAXPLAYERS; i++) - if (playeringame[i] && !stricmp(player_names[i], name)) - return (SINT8)i; - - CONS_Printf(M_GetText("There is no player named \"%s\"\n"), name); - - return -1; -} - -/** Lists all players and their player numbers. - * - * \sa Command_GetPlayerNum - */ -static void Command_Nodes(void) -{ - INT32 i; - size_t maxlen = 0; - const char *address; - - for (i = 0; i < MAXPLAYERS; i++) - { - const size_t plen = strlen(player_names[i]); - if (playeringame[i] && plen > maxlen) - maxlen = plen; - } - - for (i = 0; i < MAXPLAYERS; i++) - { - if (playeringame[i]) - { - CONS_Printf("%.2u: %*s", i, (int)maxlen, player_names[i]); - - if (playernode[i] != UINT8_MAX) - { - CONS_Printf(" - node %.2d", playernode[i]); - if (I_GetNodeAddress && (address = I_GetNodeAddress(playernode[i])) != NULL) - CONS_Printf(" - %s", address); - } - - if (IsPlayerAdmin(i)) - CONS_Printf(M_GetText(" (verified admin)")); - - if (players[i].spectator) - CONS_Printf(M_GetText(" (spectator)")); - - CONS_Printf("\n"); - } - } -} - -static void Command_Ban(void) -{ - if (COM_Argc() < 2) - { - CONS_Printf(M_GetText("Ban : ban and kick a player\n")); - return; - } - - if (!netgame) // Don't kick Tails in splitscreen! - { - CONS_Printf(M_GetText("This only works in a netgame.\n")); - return; - } - - if (server || IsPlayerAdmin(consoleplayer)) - { - UINT8 buf[3 + MAX_REASONLENGTH]; - UINT8 *p = buf; - const SINT8 pn = nametonum(COM_Argv(1)); - const INT32 node = playernode[(INT32)pn]; - - if (pn == -1 || pn == 0) - return; - - WRITEUINT8(p, pn); - - if (server && I_Ban && !I_Ban(node)) // only the server is allowed to do this right now - { - CONS_Alert(CONS_WARNING, M_GetText("Too many bans! Geez, that's a lot of people you're excluding...\n")); - WRITEUINT8(p, KICK_MSG_GO_AWAY); - SendNetXCmd(XD_KICK, &buf, 2); - } - else - { - if (server) // only the server is allowed to do this right now - { - Ban_Add(COM_Argv(2)); - D_SaveBan(); // save the ban list - } - - if (COM_Argc() == 2) - { - WRITEUINT8(p, KICK_MSG_BANNED); - SendNetXCmd(XD_KICK, &buf, 2); - } - else - { - size_t i, j = COM_Argc(); - char message[MAX_REASONLENGTH]; - - //Steal from the motd code so you don't have to put the reason in quotes. - strlcpy(message, COM_Argv(2), sizeof message); - for (i = 3; i < j; i++) - { - strlcat(message, " ", sizeof message); - strlcat(message, COM_Argv(i), sizeof message); - } - - WRITEUINT8(p, KICK_MSG_CUSTOM_BAN); - WRITESTRINGN(p, message, MAX_REASONLENGTH); - SendNetXCmd(XD_KICK, &buf, p - buf); - } - } - } - else - CONS_Printf(M_GetText("Only the server or a remote admin can use this.\n")); - -} - -static void Command_BanIP(void) -{ - if (COM_Argc() < 2) - { - CONS_Printf(M_GetText("banip : ban an ip address\n")); - return; - } - - if (server) // Only the server can use this, otherwise does nothing. - { - const char *address = (COM_Argv(1)); - const char *reason; - - if (COM_Argc() == 2) - reason = NULL; - else - reason = COM_Argv(2); - - - if (I_SetBanAddress && I_SetBanAddress(address, NULL)) - { - if (reason) - CONS_Printf("Banned IP address %s for: %s\n", address, reason); - else - CONS_Printf("Banned IP address %s\n", address); - - Ban_Add(reason); - D_SaveBan(); - } - else - { - return; - } - } -} - -static void Command_Kick(void) -{ - if (COM_Argc() < 2) - { - CONS_Printf(M_GetText("kick : kick a player\n")); - return; - } - - if (!netgame) // Don't kick Tails in splitscreen! - { - CONS_Printf(M_GetText("This only works in a netgame.\n")); - return; - } - - if (server || IsPlayerAdmin(consoleplayer)) - { - UINT8 buf[3 + MAX_REASONLENGTH]; - UINT8 *p = buf; - const SINT8 pn = nametonum(COM_Argv(1)); - - if (pn == -1 || pn == 0) - return; - - // Special case if we are trying to kick a player who is downloading the game state: - // trigger a timeout instead of kicking them, because a kick would only - // take effect after they have finished downloading - if (server && playernode[pn] != UINT8_MAX && sendingsavegame[playernode[pn]]) - { - Net_ConnectionTimeout(playernode[pn]); - return; - } - - WRITESINT8(p, pn); - - if (COM_Argc() == 2) - { - WRITEUINT8(p, KICK_MSG_GO_AWAY); - SendNetXCmd(XD_KICK, &buf, 2); - } - else - { - size_t i, j = COM_Argc(); - char message[MAX_REASONLENGTH]; - - //Steal from the motd code so you don't have to put the reason in quotes. - strlcpy(message, COM_Argv(2), sizeof message); - for (i = 3; i < j; i++) - { - strlcat(message, " ", sizeof message); - strlcat(message, COM_Argv(i), sizeof message); - } - - WRITEUINT8(p, KICK_MSG_CUSTOM_KICK); - WRITESTRINGN(p, message, MAX_REASONLENGTH); - SendNetXCmd(XD_KICK, &buf, p - buf); - } - } - else - CONS_Printf(M_GetText("Only the server or a remote admin can use this.\n")); -} - -static void Command_ResendGamestate(void) -{ - SINT8 playernum; - - if (COM_Argc() == 1) - { - CONS_Printf(M_GetText("resendgamestate : resend the game state to a player\n")); - return; - } - else if (client) - { - CONS_Printf(M_GetText("Only the server can use this.\n")); - return; - } - - playernum = nametonum(COM_Argv(1)); - if (playernum == -1 || playernum == 0) - return; - - // Send a PT_WILLRESENDGAMESTATE packet to the client so they know what's going on - netbuffer->packettype = PT_WILLRESENDGAMESTATE; - if (!HSendPacket(playernode[playernum], true, 0, 0)) - { - CONS_Alert(CONS_ERROR, M_GetText("A problem occured, please try again.\n")); - return; - } -} -#endif - -static void Got_KickCmd(UINT8 **p, INT32 playernum) -{ - INT32 pnum, msg; - char buf[3 + MAX_REASONLENGTH]; - char *reason = buf; - kickreason_t kickreason = KR_KICK; - boolean keepbody; - - pnum = READUINT8(*p); - msg = READUINT8(*p); - keepbody = (msg & KICK_MSG_KEEP_BODY) != 0; - msg &= ~KICK_MSG_KEEP_BODY; - - if (pnum == serverplayer && IsPlayerAdmin(playernum)) - { - CONS_Printf(M_GetText("Server is being shut down remotely. Goodbye!\n")); - - if (server) - COM_BufAddText("quit\n"); - - return; - } - - // Is playernum authorized to make this kick? - if (playernum != serverplayer && !IsPlayerAdmin(playernum) - && !(playernode[playernum] != UINT8_MAX && playerpernode[playernode[playernum]] == 2 - && nodetoplayer2[playernode[playernum]] == pnum)) - { - // We received a kick command from someone who isn't the - // server or admin, and who isn't in splitscreen removing - // player 2. Thus, it must be someone with a modified - // binary, trying to kick someone but without having - // authorization. - - // We deal with this by changing the kick reason to - // "consistency failure" and kicking the offending user - // instead. - - // Note: Splitscreen in netgames is broken because of - // this. Only the server has any idea of which players - // are using splitscreen on the same computer, so - // clients cannot always determine if a kick is - // legitimate. - - CONS_Alert(CONS_WARNING, M_GetText("Illegal kick command received from %s for player %d\n"), player_names[playernum], pnum); - - // In debug, print a longer message with more details. - // TODO Callum: Should we translate this? -/* - CONS_Debug(DBG_NETPLAY, - "So, you must be asking, why is this an illegal kick?\n" - "Well, let's take a look at the facts, shall we?\n" - "\n" - "playernum (this is the guy who did it), he's %d.\n" - "pnum (the guy he's trying to kick) is %d.\n" - "playernum's node is %d.\n" - "That node has %d players.\n" - "Player 2 on that node is %d.\n" - "pnum's node is %d.\n" - "That node has %d players.\n" - "Player 2 on that node is %d.\n" - "\n" - "If you think this is a bug, please report it, including all of the details above.\n", - playernum, pnum, - playernode[playernum], playerpernode[playernode[playernum]], - nodetoplayer2[playernode[playernum]], - playernode[pnum], playerpernode[playernode[pnum]], - nodetoplayer2[playernode[pnum]]); -*/ - pnum = playernum; - msg = KICK_MSG_CON_FAIL; - keepbody = true; - } - - //CONS_Printf("\x82%s ", player_names[pnum]); - - // If a verified admin banned someone, the server needs to know about it. - // If the playernum isn't zero (the server) then the server needs to record the ban. - if (server && playernum && (msg == KICK_MSG_BANNED || msg == KICK_MSG_CUSTOM_BAN)) - { - if (I_Ban && !I_Ban(playernode[(INT32)pnum])) - CONS_Alert(CONS_WARNING, M_GetText("Too many bans! Geez, that's a lot of people you're excluding...\n")); -#ifndef NONET - else - Ban_Add(reason); -#endif - } - - switch (msg) - { - case KICK_MSG_GO_AWAY: - if (!players[pnum].quittime) - HU_AddChatText(va("\x82*%s has been kicked (No reason given)", player_names[pnum]), false); - kickreason = KR_KICK; - break; - case KICK_MSG_PING_HIGH: - HU_AddChatText(va("\x82*%s left the game (Broke ping limit)", player_names[pnum]), false); - kickreason = KR_PINGLIMIT; - break; - case KICK_MSG_CON_FAIL: - HU_AddChatText(va("\x82*%s left the game (Synch failure)", player_names[pnum]), false); - kickreason = KR_SYNCH; - - if (M_CheckParm("-consisdump")) // Helps debugging some problems - { - INT32 i; - - CONS_Printf(M_GetText("Player kicked is #%d, dumping consistency...\n"), pnum); - - for (i = 0; i < MAXPLAYERS; i++) - { - if (!playeringame[i]) - continue; - CONS_Printf("-------------------------------------\n"); - CONS_Printf("Player %d: %s\n", i, player_names[i]); - CONS_Printf("Skin: %d\n", players[i].skin); - CONS_Printf("Color: %d\n", players[i].skincolor); - CONS_Printf("Speed: %d\n",players[i].speed>>FRACBITS); - if (players[i].mo) - { - if (!players[i].mo->skin) - CONS_Printf("Mobj skin: NULL!\n"); - else - CONS_Printf("Mobj skin: %s\n", ((skin_t *)players[i].mo->skin)->name); - CONS_Printf("Position: %d, %d, %d\n", players[i].mo->x, players[i].mo->y, players[i].mo->z); - if (!players[i].mo->state) - CONS_Printf("State: S_NULL\n"); - else - CONS_Printf("State: %d\n", (statenum_t)(players[i].mo->state-states)); - } - else - CONS_Printf("Mobj: NULL\n"); - CONS_Printf("-------------------------------------\n"); - } - } - break; - case KICK_MSG_TIMEOUT: - HU_AddChatText(va("\x82*%s left the game (Connection timeout)", player_names[pnum]), false); - kickreason = KR_TIMEOUT; - break; - case KICK_MSG_PLAYER_QUIT: - if (netgame && !players[pnum].quittime) // not splitscreen/bots or soulless body - HU_AddChatText(va("\x82*%s left the game", player_names[pnum]), false); - kickreason = KR_LEAVE; - break; - case KICK_MSG_BANNED: - HU_AddChatText(va("\x82*%s has been banned (No reason given)", player_names[pnum]), false); - kickreason = KR_BAN; - break; - case KICK_MSG_CUSTOM_KICK: - READSTRINGN(*p, reason, MAX_REASONLENGTH+1); - HU_AddChatText(va("\x82*%s has been kicked (%s)", player_names[pnum], reason), false); - kickreason = KR_KICK; - break; - case KICK_MSG_CUSTOM_BAN: - READSTRINGN(*p, reason, MAX_REASONLENGTH+1); - HU_AddChatText(va("\x82*%s has been banned (%s)", player_names[pnum], reason), false); - kickreason = KR_BAN; - break; - } - - if (pnum == consoleplayer) - { - LUA_HookBool(false, HOOK(GameQuit)); -#ifdef DUMPCONSISTENCY - if (msg == KICK_MSG_CON_FAIL) SV_SavedGame(); -#endif - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - if (msg == KICK_MSG_CON_FAIL) - M_StartMessage(M_GetText("Server closed connection\n(synch failure)\nPress ESC\n"), NULL, MM_NOTHING); - else if (msg == KICK_MSG_PING_HIGH) - M_StartMessage(M_GetText("Server closed connection\n(Broke ping limit)\nPress ESC\n"), NULL, MM_NOTHING); - else if (msg == KICK_MSG_BANNED) - M_StartMessage(M_GetText("You have been banned by the server\n\nPress ESC\n"), NULL, MM_NOTHING); - else if (msg == KICK_MSG_CUSTOM_KICK) - M_StartMessage(va(M_GetText("You have been kicked\n(%s)\nPress ESC\n"), reason), NULL, MM_NOTHING); - else if (msg == KICK_MSG_CUSTOM_BAN) - M_StartMessage(va(M_GetText("You have been banned\n(%s)\nPress ESC\n"), reason), NULL, MM_NOTHING); - else - M_StartMessage(M_GetText("You have been kicked by the server\n\nPress ESC\n"), NULL, MM_NOTHING); - } - else if (keepbody) - { - if (server && !demoplayback && playernode[pnum] != UINT8_MAX) - { - INT32 node = playernode[pnum]; - playerpernode[node]--; - if (playerpernode[node] <= 0) - { - nodeingame[node] = false; - Net_CloseConnection(node); - ResetNode(node); - } - } - - playernode[pnum] = UINT8_MAX; - - players[pnum].quittime = 1; - } - else - CL_RemovePlayer(pnum, kickreason); -} - -static CV_PossibleValue_t netticbuffer_cons_t[] = {{0, "MIN"}, {3, "MAX"}, {0, NULL}}; -consvar_t cv_netticbuffer = CVAR_INIT ("netticbuffer", "1", CV_SAVE, netticbuffer_cons_t, NULL); - -consvar_t cv_allownewplayer = CVAR_INIT ("allowjoin", "On", CV_SAVE|CV_NETVAR|CV_ALLOWLUA, CV_OnOff, NULL); -consvar_t cv_joinnextround = CVAR_INIT ("joinnextround", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); /// \todo not done -static CV_PossibleValue_t maxplayers_cons_t[] = {{2, "MIN"}, {32, "MAX"}, {0, NULL}}; -consvar_t cv_maxplayers = CVAR_INIT ("maxplayers", "8", CV_SAVE|CV_NETVAR|CV_ALLOWLUA, maxplayers_cons_t, NULL); -static CV_PossibleValue_t joindelay_cons_t[] = {{1, "MIN"}, {3600, "MAX"}, {0, "Off"}, {0, NULL}}; -consvar_t cv_joindelay = CVAR_INIT ("joindelay", "10", CV_SAVE|CV_NETVAR, joindelay_cons_t, NULL); -static CV_PossibleValue_t rejointimeout_cons_t[] = {{1, "MIN"}, {60 * FRACUNIT, "MAX"}, {0, "Off"}, {0, NULL}}; -consvar_t cv_rejointimeout = CVAR_INIT ("rejointimeout", "2", CV_SAVE|CV_NETVAR|CV_FLOAT, rejointimeout_cons_t, NULL); - -static CV_PossibleValue_t resynchattempts_cons_t[] = {{1, "MIN"}, {20, "MAX"}, {0, "No"}, {0, NULL}}; -consvar_t cv_resynchattempts = CVAR_INIT ("resynchattempts", "10", CV_SAVE|CV_NETVAR, resynchattempts_cons_t, NULL); -consvar_t cv_blamecfail = CVAR_INIT ("blamecfail", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); - -// max file size to send to a player (in kilobytes) -static CV_PossibleValue_t maxsend_cons_t[] = {{0, "MIN"}, {204800, "MAX"}, {0, NULL}}; -consvar_t cv_maxsend = CVAR_INIT ("maxsend", "4096", CV_SAVE|CV_NETVAR, maxsend_cons_t, NULL); -consvar_t cv_noticedownload = CVAR_INIT ("noticedownload", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); - -// Speed of file downloading (in packets per tic) -static CV_PossibleValue_t downloadspeed_cons_t[] = {{1, "MIN"}, {300, "MAX"}, {0, NULL}}; -consvar_t cv_downloadspeed = CVAR_INIT ("downloadspeed", "16", CV_SAVE|CV_NETVAR, downloadspeed_cons_t, NULL); - -static void Got_AddPlayer(UINT8 **p, INT32 playernum); - -// called one time at init -void D_ClientServerInit(void) -{ - DEBFILE(va("- - -== SRB2 v%d.%.2d.%d "VERSIONSTRING" debugfile ==- - -\n", - VERSION/100, VERSION%100, SUBVERSION)); - -#ifndef NONET - COM_AddCommand("getplayernum", Command_GetPlayerNum, COM_LUA); - COM_AddCommand("kick", Command_Kick, COM_LUA); - COM_AddCommand("ban", Command_Ban, COM_LUA); - COM_AddCommand("banip", Command_BanIP, COM_LUA); - COM_AddCommand("clearbans", Command_ClearBans, COM_LUA); - COM_AddCommand("showbanlist", Command_ShowBan, COM_LUA); - COM_AddCommand("reloadbans", Command_ReloadBan, COM_LUA); - COM_AddCommand("connect", Command_connect, COM_LUA); - COM_AddCommand("nodes", Command_Nodes, COM_LUA); - COM_AddCommand("resendgamestate", Command_ResendGamestate, COM_LUA); -#ifdef PACKETDROP - COM_AddCommand("drop", Command_Drop, COM_LUA); - COM_AddCommand("droprate", Command_Droprate, COM_LUA); -#endif -#ifdef _DEBUG - COM_AddCommand("numnodes", Command_Numnodes, COM_LUA); -#endif -#endif - - RegisterNetXCmd(XD_KICK, Got_KickCmd); - RegisterNetXCmd(XD_ADDPLAYER, Got_AddPlayer); -#ifndef NONET -#ifdef DUMPCONSISTENCY - CV_RegisterVar(&cv_dumpconsistency); -#endif - Ban_Load_File(false); -#endif - - gametic = 0; - localgametic = 0; - - // do not send anything before the real begin - SV_StopServer(); - SV_ResetServer(); - if (dedicated) - SV_SpawnServer(); -} - -static void ResetNode(INT32 node) -{ - nodeingame[node] = false; - nodewaiting[node] = 0; - - nettics[node] = gametic; - supposedtics[node] = gametic; - - nodetoplayer[node] = -1; - nodetoplayer2[node] = -1; - playerpernode[node] = 0; - - sendingsavegame[node] = false; - resendingsavegame[node] = false; - savegameresendcooldown[node] = 0; -} - -void SV_ResetServer(void) -{ - INT32 i; - - // +1 because this command will be executed in com_executebuffer in - // tryruntic so gametic will be incremented, anyway maketic > gametic - // is not an issue - - maketic = gametic + 1; - neededtic = maketic; - tictoclear = maketic; - - joindelay = 0; - - for (i = 0; i < MAXNETNODES; i++) - ResetNode(i); - - for (i = 0; i < MAXPLAYERS; i++) - { - LUA_InvalidatePlayer(&players[i]); - playeringame[i] = false; - playernode[i] = UINT8_MAX; - memset(playeraddress[i], 0, sizeof(*playeraddress)); - sprintf(player_names[i], "Player %d", i + 1); - adminplayers[i] = -1; // Populate the entire adminplayers array with -1. - } - - memset(player_name_changes, 0, sizeof player_name_changes); - - mynode = 0; - cl_packetmissed = false; - cl_redownloadinggamestate = false; - - if (dedicated) - { - nodeingame[0] = true; - serverplayer = 0; - } - else - serverplayer = consoleplayer; - - if (server) - servernode = 0; - - doomcom->numslots = 0; - - // clear server_context - memset(server_context, '-', 8); - - CV_RevertNetVars(); - - // Ensure synched when creating a new server - M_CopyGameData(serverGamedata, clientGamedata); - - DEBFILE("\n-=-=-=-=-=-=-= Server Reset =-=-=-=-=-=-=-\n\n"); -} - -static inline void SV_GenContext(void) -{ - UINT8 i; - // generate server_context, as exactly 8 bytes of randomly mixed A-Z and a-z - // (hopefully M_Random is initialized!! if not this will be awfully silly!) - for (i = 0; i < 8; i++) - { - const char a = M_RandomKey(26*2); - if (a < 26) // uppercase - server_context[i] = 'A'+a; - else // lowercase - server_context[i] = 'a'+(a-26); - } -} - -// -// D_QuitNetGame -// Called before quitting to leave a net game -// without hanging the other players -// -void D_QuitNetGame(void) -{ - mousegrabbedbylua = true; - I_UpdateMouseGrab(); - - if (!netgame || !netbuffer) - return; - - DEBFILE("===========================================================================\n" - " Quitting Game, closing connection\n" - "===========================================================================\n"); - - // abort send/receive of files - CloseNetFile(); - RemoveAllLuaFileTransfers(); - waitingforluafiletransfer = false; - waitingforluafilecommand = false; - - if (server) - { - INT32 i; - - netbuffer->packettype = PT_SERVERSHUTDOWN; - for (i = 0; i < MAXNETNODES; i++) - if (nodeingame[i]) - HSendPacket(i, true, 0, 0); -#ifdef MASTERSERVER - if (serverrunning && ms_RoomId > 0) - UnregisterServer(); -#endif - } - else if (servernode > 0 && servernode < MAXNETNODES && nodeingame[(UINT8)servernode]) - { - netbuffer->packettype = PT_CLIENTQUIT; - HSendPacket(servernode, true, 0, 0); - } - - D_CloseConnection(); - ClearAdminPlayers(); - - DEBFILE("===========================================================================\n" - " Log finish\n" - "===========================================================================\n"); -#ifdef DEBUGFILE - if (debugfile) - { - fclose(debugfile); - debugfile = NULL; - } -#endif -} - -// Adds a node to the game (player will follow at map change or at savegame....) -static inline void SV_AddNode(INT32 node) -{ - nettics[node] = gametic; - supposedtics[node] = gametic; - // little hack because the server connects to itself and puts - // nodeingame when connected not here - if (node) - nodeingame[node] = true; -} - -// Xcmd XD_ADDPLAYER -static void Got_AddPlayer(UINT8 **p, INT32 playernum) -{ - INT16 node, newplayernum; - boolean splitscreenplayer; - boolean rejoined; - player_t *newplayer; - - if (playernum != serverplayer && !IsPlayerAdmin(playernum)) - { - // protect against hacked/buggy client - CONS_Alert(CONS_WARNING, M_GetText("Illegal add player command received from %s\n"), player_names[playernum]); - if (server) - SendKick(playernum, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); - return; - } - - node = READUINT8(*p); - newplayernum = READUINT8(*p); - splitscreenplayer = newplayernum & 0x80; - newplayernum &= ~0x80; - - rejoined = playeringame[newplayernum]; - - if (!rejoined) - { - // Clear player before joining, lest some things get set incorrectly - // HACK: don't do this for splitscreen, it relies on preset values - if (!splitscreen && !botingame) - CL_ClearPlayer(newplayernum); - playeringame[newplayernum] = true; - G_AddPlayer(newplayernum); - if (newplayernum+1 > doomcom->numslots) - doomcom->numslots = (INT16)(newplayernum+1); - - if (server && I_GetNodeAddress) - { - char addressbuffer[64]; - const char *address = I_GetNodeAddress(node); - if (address) // MI: fix msvcrt.dll!_mbscat crash? - { - strcpy(addressbuffer, address); - strcpy(playeraddress[newplayernum], - I_NetSplitAddress(addressbuffer, NULL)); - } - } - } - - newplayer = &players[newplayernum]; - - newplayer->jointime = 0; - newplayer->quittime = 0; - - READSTRINGN(*p, player_names[newplayernum], MAXPLAYERNAME); - - // the server is creating my player - if (node == mynode) - { - playernode[newplayernum] = 0; // for information only - if (!splitscreenplayer) - { - consoleplayer = newplayernum; - displayplayer = newplayernum; - secondarydisplayplayer = newplayernum; - DEBFILE("spawning me\n"); - ticcmd_oldangleturn[0] = newplayer->oldrelangleturn; - } - else - { - secondarydisplayplayer = newplayernum; - DEBFILE("spawning my brother\n"); - if (botingame) - newplayer->bot = 1; - ticcmd_oldangleturn[1] = newplayer->oldrelangleturn; - } - P_ForceLocalAngle(newplayer, (angle_t)(newplayer->angleturn << 16)); - D_SendPlayerConfig(); - addedtogame = true; - - if (rejoined) - { - if (newplayer->mo) - { - newplayer->viewheight = 41*newplayer->height/48; - - if (newplayer->mo->eflags & MFE_VERTICALFLIP) - newplayer->viewz = newplayer->mo->z + newplayer->mo->height - newplayer->viewheight; - else - newplayer->viewz = newplayer->mo->z + newplayer->viewheight; - } - - // wake up the status bar - ST_Start(); - // wake up the heads up text - HU_Start(); - - if (camera.chase && !splitscreenplayer) - P_ResetCamera(newplayer, &camera); - if (camera2.chase && splitscreenplayer) - P_ResetCamera(newplayer, &camera2); - } - } - - if (netgame) - { - char joinmsg[256]; - - if (rejoined) - strcpy(joinmsg, M_GetText("\x82*%s has rejoined the game (player %d)")); - else - strcpy(joinmsg, M_GetText("\x82*%s has joined the game (player %d)")); - strcpy(joinmsg, va(joinmsg, player_names[newplayernum], newplayernum)); - - // Merge join notification + IP to avoid clogging console/chat - if (server && cv_showjoinaddress.value && I_GetNodeAddress) - { - const char *address = I_GetNodeAddress(node); - if (address) - strcat(joinmsg, va(" (%s)", address)); - } - - HU_AddChatText(joinmsg, false); - } - - if (server && multiplayer && motd[0] != '\0') - COM_BufAddText(va("sayto %d %s\n", newplayernum, motd)); - - if (!rejoined) - LUA_HookInt(newplayernum, HOOK(PlayerJoin)); -} - -static boolean SV_AddWaitingPlayers(const char *name, const char *name2) -{ - INT32 node, n, newplayer = false; - UINT8 buf[2 + MAXPLAYERNAME]; - UINT8 *p; - INT32 newplayernum; - - for (node = 0; node < MAXNETNODES; node++) - { - // splitscreen can allow 2 player in one node - for (; nodewaiting[node] > 0; nodewaiting[node]--) - { - newplayer = true; - - newplayernum = FindRejoinerNum(node); - if (newplayernum == -1) - { - // search for a free playernum - // we can't use playeringame since it is not updated here - for (newplayernum = dedicated ? 1 : 0; newplayernum < MAXPLAYERS; newplayernum++) - { - if (playeringame[newplayernum]) - continue; - for (n = 0; n < MAXNETNODES; n++) - if (nodetoplayer[n] == newplayernum || nodetoplayer2[n] == newplayernum) - break; - if (n == MAXNETNODES) - break; - } - } - - // should never happen since we check the playernum - // before accepting the join - I_Assert(newplayernum < MAXPLAYERS); - - playernode[newplayernum] = (UINT8)node; - - p = buf + 2; - buf[0] = (UINT8)node; - buf[1] = newplayernum; - if (playerpernode[node] < 1) - { - nodetoplayer[node] = newplayernum; - WRITESTRINGN(p, name, MAXPLAYERNAME); - } - else - { - nodetoplayer2[node] = newplayernum; - buf[1] |= 0x80; - WRITESTRINGN(p, name2, MAXPLAYERNAME); - } - playerpernode[node]++; - - SendNetXCmd(XD_ADDPLAYER, &buf, p - buf); - - DEBFILE(va("Server added player %d node %d\n", newplayernum, node)); - } - } - - return newplayer; -} - -void CL_AddSplitscreenPlayer(void) -{ - if (cl_mode == CL_CONNECTED) - CL_SendJoin(); -} - -void CL_RemoveSplitscreenPlayer(void) -{ - if (cl_mode != CL_CONNECTED) - return; - - SendKick(secondarydisplayplayer, KICK_MSG_PLAYER_QUIT); -} - -// is there a game running -boolean Playing(void) -{ - return (server && serverrunning) || (client && cl_mode == CL_CONNECTED); -} - -boolean SV_SpawnServer(void) -{ - if (demoplayback) - G_StopDemo(); // reset engine parameter - if (metalplayback) - G_StopMetalDemo(); - - if (!serverrunning) - { - CONS_Printf(M_GetText("Starting Server....\n")); - serverrunning = true; - SV_ResetServer(); - SV_GenContext(); - if (netgame && I_NetOpenSocket) - { - I_NetOpenSocket(); -#ifdef MASTERSERVER - if (ms_RoomId > 0) - RegisterServer(); -#endif - } - - // non dedicated server just connect to itself - if (!dedicated) - CL_ConnectToServer(); - else doomcom->numslots = 1; - } - - return SV_AddWaitingPlayers(cv_playername.zstring, cv_playername2.zstring); -} - -void SV_StopServer(void) -{ - tic_t i; - - if (gamestate == GS_INTERMISSION) - Y_EndIntermission(); - gamestate = wipegamestate = GS_NULL; - - localtextcmd[0] = 0; - localtextcmd2[0] = 0; - - for (i = firstticstosend; i < firstticstosend + BACKUPTICS; i++) - D_Clearticcmd(i); - - consoleplayer = 0; - cl_mode = CL_SEARCHING; - maketic = gametic+1; - neededtic = maketic; - serverrunning = false; -} - -// called at singleplayer start and stopdemo -void SV_StartSinglePlayerServer(void) -{ - server = true; - netgame = false; - multiplayer = false; - G_SetGametype(GT_COOP); - - // no more tic the game with this settings! - SV_StopServer(); - - if (splitscreen) - multiplayer = true; -} - -static void SV_SendRefuse(INT32 node, const char *reason) -{ - strcpy(netbuffer->u.serverrefuse.reason, reason); - - netbuffer->packettype = PT_SERVERREFUSE; - HSendPacket(node, true, 0, strlen(netbuffer->u.serverrefuse.reason) + 1); - Net_CloseConnection(node); -} - -// used at txtcmds received to check packetsize bound -static size_t TotalTextCmdPerTic(tic_t tic) -{ - INT32 i; - size_t total = 1; // num of textcmds in the tic (ntextcmd byte) - - for (i = 0; i < MAXPLAYERS; i++) - { - UINT8 *textcmd = D_GetExistingTextcmd(tic, i); - if ((!i || playeringame[i]) && textcmd) - total += 2 + textcmd[0]; // "+2" for size and playernum - } - - return total; -} - -static const char * -ConnectionRefused (SINT8 node, INT32 rejoinernum) -{ - clientconfig_pak *cc = &netbuffer->u.clientcfg; - - boolean rejoining = (rejoinernum != -1); - - if (!node)/* server connecting to itself */ - return NULL; - - if ( - cc->modversion != MODVERSION || - strncmp(cc->application, SRB2APPLICATION, - sizeof cc->application) - ){ - return/* this is probably client's fault */ - "Incompatible."; - } - else if (bannednode && bannednode[node]) - { - return - "You have been banned\n" - "from the server."; - } - else if (cc->localplayers != 1) - { - return - "Wrong player count."; - } - - if (!rejoining) - { - if (!cv_allownewplayer.value) - { - return - "The server is not accepting\n" - "joins for the moment."; - } - else if (D_NumPlayers() >= cv_maxplayers.value) - { - return va( - "Maximum players reached: %d", - cv_maxplayers.value - D_NumBots()); - } - } - - if (luafiletransfers) - { - return - "The serveris broadcasting a file\n" - "requested by a Lua script.\n" - "Please wait a bit and then\n" - "try rejoining."; - } - - if (netgame) - { - const tic_t th = 2 * cv_joindelay.value * TICRATE; - - if (joindelay > th) - { - return va( - "Too many people are connecting.\n" - "Please wait %d seconds and then\n" - "try rejoining.", - (joindelay - th) / TICRATE); - } - } - - return NULL; -} - -/** Called when a PT_CLIENTJOIN packet is received - * - * \param node The packet sender - * - */ -static void HandleConnect(SINT8 node) -{ - char names[MAXSPLITSCREENPLAYERS][MAXPLAYERNAME + 1]; - INT32 rejoinernum; - INT32 i; - const char *refuse; - - rejoinernum = FindRejoinerNum(node); - - refuse = ConnectionRefused(node, rejoinernum); - - if (refuse) - SV_SendRefuse(node, refuse); - else - { -#ifndef NONET - boolean newnode = false; -#endif - - for (i = 0; i < netbuffer->u.clientcfg.localplayers - playerpernode[node]; i++) - { - strlcpy(names[i], netbuffer->u.clientcfg.names[i], MAXPLAYERNAME + 1); - if (!EnsurePlayerNameIsGood(names[i], rejoinernum)) - { - SV_SendRefuse(node, "Bad player name"); - return; - } - } - - // client authorised to join - nodewaiting[node] = (UINT8)(netbuffer->u.clientcfg.localplayers - playerpernode[node]); - if (!nodeingame[node]) - { - gamestate_t backupstate = gamestate; -#ifndef NONET - newnode = true; -#endif - SV_AddNode(node); - - if (cv_joinnextround.value && gameaction == ga_nothing) - G_SetGamestate(GS_WAITINGPLAYERS); - if (!SV_SendServerConfig(node)) - { - G_SetGamestate(backupstate); - /// \note Shouldn't SV_SendRefuse be called before ResetNode? - ResetNode(node); - SV_SendRefuse(node, M_GetText("Server couldn't send info, please try again")); - /// \todo fix this !!! - return; // restart the while - } - //if (gamestate != GS_LEVEL) // GS_INTERMISSION, etc? - // SV_SendPlayerConfigs(node); // send bare minimum player info - G_SetGamestate(backupstate); - DEBFILE("new node joined\n"); - } -#ifndef NONET - if (nodewaiting[node]) - { - if ((gamestate == GS_LEVEL || gamestate == GS_INTERMISSION) && newnode) - { - SV_SendSaveGame(node, false); // send a complete game state - DEBFILE("send savegame\n"); - } - SV_AddWaitingPlayers(names[0], names[1]); - joindelay += cv_joindelay.value * TICRATE; - player_joining = true; - } -#endif - } -} - -/** Called when a PT_SERVERSHUTDOWN packet is received - * - * \param node The packet sender (should be the server) - * - */ -static void HandleShutdown(SINT8 node) -{ - (void)node; - LUA_HookBool(false, HOOK(GameQuit)); - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - M_StartMessage(M_GetText("Server has shutdown\n\nPress Esc\n"), NULL, MM_NOTHING); -} - -/** Called when a PT_NODETIMEOUT packet is received - * - * \param node The packet sender (should be the server) - * - */ -static void HandleTimeout(SINT8 node) -{ - (void)node; - LUA_HookBool(false, HOOK(GameQuit)); - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - M_StartMessage(M_GetText("Server Timeout\n\nPress Esc\n"), NULL, MM_NOTHING); -} - -#ifndef NONET -/** Called when a PT_SERVERINFO packet is received - * - * \param node The packet sender - * \note What happens if the packet comes from a client or something like that? - * - */ -static void HandleServerInfo(SINT8 node) -{ - // compute ping in ms - const tic_t ticnow = I_GetTime(); - const tic_t ticthen = (tic_t)LONG(netbuffer->u.serverinfo.time); - const tic_t ticdiff = (ticnow - ticthen)*1000/NEWTICRATE; - netbuffer->u.serverinfo.time = (tic_t)LONG(ticdiff); - netbuffer->u.serverinfo.servername[MAXSERVERNAME-1] = 0; - netbuffer->u.serverinfo.application - [sizeof netbuffer->u.serverinfo.application - 1] = '\0'; - netbuffer->u.serverinfo.gametypename - [sizeof netbuffer->u.serverinfo.gametypename - 1] = '\0'; - - SL_InsertServer(&netbuffer->u.serverinfo, node); -} -#endif - -static void PT_WillResendGamestate(void) -{ -#ifndef NONET - char tmpsave[256]; - - if (server || cl_redownloadinggamestate) - return; - - // Send back a PT_CANRECEIVEGAMESTATE packet to the server - // so they know they can start sending the game state - netbuffer->packettype = PT_CANRECEIVEGAMESTATE; - if (!HSendPacket(servernode, true, 0, 0)) - return; - - CONS_Printf(M_GetText("Reloading game state...\n")); - - sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); - - // Don't get a corrupt savegame error because tmpsave already exists - if (FIL_FileExists(tmpsave) && unlink(tmpsave) == -1) - I_Error("Can't delete %s\n", tmpsave); - - CL_PrepareDownloadSaveGame(tmpsave); - - cl_redownloadinggamestate = true; -#endif -} - -static void PT_CanReceiveGamestate(SINT8 node) -{ -#ifndef NONET - if (client || sendingsavegame[node]) - return; - - CONS_Printf(M_GetText("Resending game state to %s...\n"), player_names[nodetoplayer[node]]); - - SV_SendSaveGame(node, true); // Resend a complete game state - resendingsavegame[node] = true; -#else - (void)node; -#endif -} - -/** Handles a packet received from a node that isn't in game - * - * \param node The packet sender - * \todo Choose a better name, as the packet can also come from the server apparently? - * \sa HandlePacketFromPlayer - * \sa GetPackets - * - */ -static void HandlePacketFromAwayNode(SINT8 node) -{ - if (node != servernode) - DEBFILE(va("Received packet from unknown host %d\n", node)); - -// macro for packets that should only be sent by the server -// if it is NOT from the server, bail out and close the connection! -#define SERVERONLY \ - if (node != servernode) \ - { \ - Net_CloseConnection(node); \ - break; \ - } - switch (netbuffer->packettype) - { - case PT_ASKINFOVIAMS: - Net_CloseConnection(node); - break; - - case PT_TELLFILESNEEDED: - if (server && serverrunning) - { - UINT8 *p; - INT32 firstfile = netbuffer->u.filesneedednum; - - netbuffer->packettype = PT_MOREFILESNEEDED; - netbuffer->u.filesneededcfg.first = firstfile; - netbuffer->u.filesneededcfg.more = 0; - - p = PutFileNeeded(firstfile); - - HSendPacket(node, false, 0, p - ((UINT8 *)&netbuffer->u)); - } - else // Shouldn't get this if you aren't the server...? - Net_CloseConnection(node); - break; - - case PT_MOREFILESNEEDED: - if (server && serverrunning) - { // But wait I thought I'm the server? - Net_CloseConnection(node); - break; - } - SERVERONLY - if (cl_mode == CL_ASKFULLFILELIST && netbuffer->u.filesneededcfg.first == fileneedednum) - { - D_ParseFileneeded(netbuffer->u.filesneededcfg.num, netbuffer->u.filesneededcfg.files, netbuffer->u.filesneededcfg.first); - if (!netbuffer->u.filesneededcfg.more) - cl_lastcheckedfilecount = UINT16_MAX; // Got the whole file list - } - break; - - case PT_ASKINFO: - if (server && serverrunning) - { - SV_SendServerInfo(node, (tic_t)LONG(netbuffer->u.askinfo.time)); - SV_SendPlayerInfo(node); // Send extra info - } - Net_CloseConnection(node); - break; - - case PT_SERVERREFUSE: // Negative response of client join request - if (server && serverrunning) - { // But wait I thought I'm the server? - Net_CloseConnection(node); - break; - } - SERVERONLY - if (cl_mode == CL_WAITJOINRESPONSE) - { - // Save the reason so it can be displayed after quitting the netgame - char *reason = strdup(netbuffer->u.serverrefuse.reason); - if (!reason) - I_Error("Out of memory!\n"); - - if (strstr(reason, "Maximum players reached")) - { - serverisfull = true; - //Special timeout for when refusing due to player cap. The client will wait 3 seconds between join requests when waiting for a slot, so we need this to be much longer - //We set it back to the value of cv_nettimeout.value in CL_Reset - connectiontimeout = NEWTICRATE*7; - cl_mode = CL_ASKJOIN; - free(reason); - break; - } - - M_StartMessage(va(M_GetText("Server refuses connection\n\nReason:\n%s"), - reason), NULL, MM_NOTHING); - - D_QuitNetGame(); - CL_Reset(); - D_StartTitle(); - - free(reason); - - // Will be reset by caller. Signals refusal. - cl_mode = CL_ABORTED; - } - break; - - case PT_SERVERCFG: // Positive response of client join request - { - if (server && serverrunning && node != servernode) - { // but wait I thought I'm the server? - Net_CloseConnection(node); - break; - } - SERVERONLY - /// \note how would this happen? and is it doing the right thing if it does? - if (cl_mode != CL_WAITJOINRESPONSE) - break; - - if (client) - { - maketic = gametic = neededtic = (tic_t)LONG(netbuffer->u.servercfg.gametic); - G_SetGametype(netbuffer->u.servercfg.gametype); - modifiedgame = netbuffer->u.servercfg.modifiedgame; - if (netbuffer->u.servercfg.usedCheats) - G_SetUsedCheats(true); - memcpy(server_context, netbuffer->u.servercfg.server_context, 8); - } - - nodeingame[(UINT8)servernode] = true; - serverplayer = netbuffer->u.servercfg.serverplayer; - doomcom->numslots = SHORT(netbuffer->u.servercfg.totalslotnum); - mynode = netbuffer->u.servercfg.clientnode; - if (serverplayer >= 0) - playernode[(UINT8)serverplayer] = servernode; - - if (netgame) -#ifndef NONET - CONS_Printf(M_GetText("Join accepted, waiting for complete game state...\n")); -#else - CONS_Printf(M_GetText("Join accepted, waiting for next level change...\n")); -#endif - DEBFILE(va("Server accept join gametic=%u mynode=%d\n", gametic, mynode)); - -#ifndef NONET - /// \note Wait. What if a Lua script uses some global custom variables synched with the NetVars hook? - /// Shouldn't them be downloaded even at intermission time? - /// Also, according to HandleConnect, the server will send the savegame even during intermission... - if (netbuffer->u.servercfg.gamestate == GS_LEVEL/* || - netbuffer->u.servercfg.gamestate == GS_INTERMISSION*/) - cl_mode = CL_DOWNLOADSAVEGAME; - else -#endif - cl_mode = CL_CONNECTED; - break; - } - - // Handled in d_netfil.c - case PT_FILEFRAGMENT: - if (server) - { // But wait I thought I'm the server? - Net_CloseConnection(node); - break; - } - SERVERONLY - PT_FileFragment(); - break; - - case PT_FILEACK: - if (server) - PT_FileAck(); - break; - - case PT_FILERECEIVED: - if (server) - PT_FileReceived(); - break; - - case PT_REQUESTFILE: - if (server) - { - if (!cv_downloading.value || !PT_RequestFile(node)) - Net_CloseConnection(node); // close connection if one of the requested files could not be sent, or you disabled downloading anyway - } - else - Net_CloseConnection(node); // nope - break; - - case PT_NODETIMEOUT: - case PT_CLIENTQUIT: - if (server) - Net_CloseConnection(node); - break; - - case PT_CLIENTCMD: - break; // This is not an "unknown packet" - - case PT_SERVERTICS: - // Do not remove my own server (we have just get a out of order packet) - if (node == servernode) - break; - /* FALLTHRU */ - - default: - DEBFILE(va("unknown packet received (%d) from unknown host\n",netbuffer->packettype)); - Net_CloseConnection(node); - break; // Ignore it - - } -#undef SERVERONLY -} - -/** Handles a packet received from a node that is in game - * - * \param node The packet sender - * \todo Choose a better name - * \sa HandlePacketFromAwayNode - * \sa GetPackets - * - */ -static void HandlePacketFromPlayer(SINT8 node) -{ - INT32 netconsole; - tic_t realend, realstart; - UINT8 *pak, *txtpak, numtxtpak; -#ifndef NOMD5 - UINT8 finalmd5[16];/* Well, it's the cool thing to do? */ -#endif - - txtpak = NULL; - - if (dedicated && node == 0) - netconsole = 0; - else - netconsole = nodetoplayer[node]; - -#ifdef PARANOIA - if (netconsole >= MAXPLAYERS) - I_Error("bad table nodetoplayer: node %d player %d", doomcom->remotenode, netconsole); -#endif - - switch (netbuffer->packettype) - { -// -------------------------------------------- SERVER RECEIVE ---------- - case PT_CLIENTCMD: - case PT_CLIENT2CMD: - case PT_CLIENTMIS: - case PT_CLIENT2MIS: - case PT_NODEKEEPALIVE: - case PT_NODEKEEPALIVEMIS: - if (client) - break; - - // To save bytes, only the low byte of tic numbers are sent - // Use ExpandTics to figure out what the rest of the bytes are - realstart = ExpandTics(netbuffer->u.clientpak.client_tic, node); - realend = ExpandTics(netbuffer->u.clientpak.resendfrom, node); - - if (netbuffer->packettype == PT_CLIENTMIS || netbuffer->packettype == PT_CLIENT2MIS - || netbuffer->packettype == PT_NODEKEEPALIVEMIS - || supposedtics[node] < realend) - { - supposedtics[node] = realend; - } - // Discard out of order packet - if (nettics[node] > realend) - { - DEBFILE(va("out of order ticcmd discarded nettics = %u\n", nettics[node])); - break; - } - - // Update the nettics - nettics[node] = realend; - - // This should probably still timeout though, as the node should always have a player 1 number - if (netconsole == -1) - break; - - // As long as clients send valid ticcmds, the server can keep running, so reset the timeout - /// \todo Use a separate cvar for that kind of timeout? - freezetimeout[node] = I_GetTime() + connectiontimeout; - - // Don't do anything for packets of type NODEKEEPALIVE? - // Sryder 2018/07/01: Update the freezetimeout still! - if (netbuffer->packettype == PT_NODEKEEPALIVE - || netbuffer->packettype == PT_NODEKEEPALIVEMIS) - break; - - // If we've alredy received a ticcmd for this tic, just submit it for the next one. - tic_t faketic = maketic; - if ((!!(netcmds[maketic % BACKUPTICS][netconsole].angleturn & TICCMD_RECEIVED)) - && (maketic - firstticstosend < BACKUPTICS - 1)) - faketic++; - - // Copy ticcmd - G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][netconsole], &netbuffer->u.clientpak.cmd, 1); - - // Check ticcmd for "speed hacks" - if (netcmds[faketic%BACKUPTICS][netconsole].forwardmove > MAXPLMOVE || netcmds[faketic%BACKUPTICS][netconsole].forwardmove < -MAXPLMOVE - || netcmds[faketic%BACKUPTICS][netconsole].sidemove > MAXPLMOVE || netcmds[faketic%BACKUPTICS][netconsole].sidemove < -MAXPLMOVE) - { - CONS_Alert(CONS_WARNING, M_GetText("Illegal movement value received from node %d\n"), netconsole); - //D_Clearticcmd(k); - - SendKick(netconsole, KICK_MSG_CON_FAIL); - break; - } - - // Splitscreen cmd - if ((netbuffer->packettype == PT_CLIENT2CMD || netbuffer->packettype == PT_CLIENT2MIS) - && nodetoplayer2[node] >= 0) - G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)nodetoplayer2[node]], - &netbuffer->u.client2pak.cmd2, 1); - - - // Check player consistancy during the level - if (realstart <= gametic && realstart + BACKUPTICS - 1 > gametic && gamestate == GS_LEVEL - && consistancy[realstart%BACKUPTICS] != SHORT(netbuffer->u.clientpak.consistancy) -#ifndef NONET - && !SV_ResendingSavegameToAnyone() -#endif - && !resendingsavegame[node] && savegameresendcooldown[node] <= I_GetTime()) - { - if (cv_resynchattempts.value) - { - // Tell the client we are about to resend them the gamestate - netbuffer->packettype = PT_WILLRESENDGAMESTATE; - HSendPacket(node, true, 0, 0); - - resendingsavegame[node] = true; - - if (cv_blamecfail.value) - CONS_Printf(M_GetText("Synch failure for player %d (%s); expected %hd, got %hd\n"), - netconsole+1, player_names[netconsole], - consistancy[realstart%BACKUPTICS], - SHORT(netbuffer->u.clientpak.consistancy)); - DEBFILE(va("Restoring player %d (synch failure) [%update] %d!=%d\n", - netconsole, realstart, consistancy[realstart%BACKUPTICS], - SHORT(netbuffer->u.clientpak.consistancy))); - break; - } - else - { - SendKick(netconsole, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); - DEBFILE(va("player %d kicked (synch failure) [%u] %d!=%d\n", - netconsole, realstart, consistancy[realstart%BACKUPTICS], - SHORT(netbuffer->u.clientpak.consistancy))); - break; - } - } - break; - case PT_BASICKEEPALIVE: - if (client) - break; - - // This should probably still timeout though, as the node should always have a player 1 number - if (netconsole == -1) - break; - - // If a client sends this it should mean they are done receiving the savegame - sendingsavegame[node] = false; - - // As long as clients send keep alives, the server can keep running, so reset the timeout - /// \todo Use a separate cvar for that kind of timeout? - freezetimeout[node] = I_GetTime() + connectiontimeout; - break; - case PT_TEXTCMD2: // splitscreen special - netconsole = nodetoplayer2[node]; - /* FALLTHRU */ - case PT_TEXTCMD: - if (client) - break; - - if (netconsole < 0 || netconsole >= MAXPLAYERS) - Net_UnAcknowledgePacket(node); - else - { - size_t j; - tic_t tic = maketic; - UINT8 *textcmd; - - // ignore if the textcmd has a reported size of zero - // this shouldn't be sent at all - if (!netbuffer->u.textcmd[0]) - { - DEBFILE(va("GetPacket: Textcmd with size 0 detected! (node %u, player %d)\n", - node, netconsole)); - Net_UnAcknowledgePacket(node); - break; - } - - // ignore if the textcmd size var is actually larger than it should be - // BASEPACKETSIZE + 1 (for size) + textcmd[0] should == datalength - if (netbuffer->u.textcmd[0] > (size_t)doomcom->datalength-BASEPACKETSIZE-1) - { - DEBFILE(va("GetPacket: Bad Textcmd packet size! (expected %d, actual %s, node %u, player %d)\n", - netbuffer->u.textcmd[0], sizeu1((size_t)doomcom->datalength-BASEPACKETSIZE-1), - node, netconsole)); - Net_UnAcknowledgePacket(node); - break; - } - - // check if tic that we are making isn't too large else we cannot send it :( - // doomcom->numslots+1 "+1" since doomcom->numslots can change within this time and sent time - j = software_MAXPACKETLENGTH - - (netbuffer->u.textcmd[0]+2+BASESERVERTICSSIZE - + (doomcom->numslots+1)*sizeof(ticcmd_t)); - - // search a tic that have enougth space in the ticcmd - while ((textcmd = D_GetExistingTextcmd(tic, netconsole)), - (TotalTextCmdPerTic(tic) > j || netbuffer->u.textcmd[0] + (textcmd ? textcmd[0] : 0) > MAXTEXTCMD) - && tic < firstticstosend + BACKUPTICS) - tic++; - - if (tic >= firstticstosend + BACKUPTICS) - { - DEBFILE(va("GetPacket: Textcmd too long (max %s, used %s, mak %d, " - "tosend %u, node %u, player %d)\n", sizeu1(j), sizeu2(TotalTextCmdPerTic(maketic)), - maketic, firstticstosend, node, netconsole)); - Net_UnAcknowledgePacket(node); - break; - } - - // Make sure we have a buffer - if (!textcmd) textcmd = D_GetTextcmd(tic, netconsole); - - DEBFILE(va("textcmd put in tic %u at position %d (player %d) ftts %u mk %u\n", - tic, textcmd[0]+1, netconsole, firstticstosend, maketic)); - - M_Memcpy(&textcmd[textcmd[0]+1], netbuffer->u.textcmd+1, netbuffer->u.textcmd[0]); - textcmd[0] += (UINT8)netbuffer->u.textcmd[0]; - } - break; - case PT_LOGIN: - if (client) - break; - -#ifndef NOMD5 - if (doomcom->datalength < 16)/* ignore partial sends */ - break; - - if (!adminpasswordset) - { - CONS_Printf(M_GetText("Password from %s failed (no password set).\n"), player_names[netconsole]); - break; - } - - // Do the final pass to compare with the sent md5 - D_MD5PasswordPass(adminpassmd5, 16, va("PNUM%02d", netconsole), &finalmd5); - - if (!memcmp(netbuffer->u.md5sum, finalmd5, 16)) - { - CONS_Printf(M_GetText("%s passed authentication.\n"), player_names[netconsole]); - COM_BufInsertText(va("promote %d\n", netconsole)); // do this immediately - } - else - CONS_Printf(M_GetText("Password from %s failed.\n"), player_names[netconsole]); -#endif - break; - case PT_NODETIMEOUT: - case PT_CLIENTQUIT: - if (client) - break; - - // nodeingame will be put false in the execution of kick command - // this allow to send some packets to the quitting client to have their ack back - nodewaiting[node] = 0; - if (netconsole != -1 && playeringame[netconsole]) - { - UINT8 kickmsg; - - if (netbuffer->packettype == PT_NODETIMEOUT) - kickmsg = KICK_MSG_TIMEOUT; - else - kickmsg = KICK_MSG_PLAYER_QUIT; - kickmsg |= KICK_MSG_KEEP_BODY; - - SendKick(netconsole, kickmsg); - nodetoplayer[node] = -1; - - if (nodetoplayer2[node] != -1 && nodetoplayer2[node] >= 0 - && playeringame[(UINT8)nodetoplayer2[node]]) - { - SendKick(nodetoplayer2[node], kickmsg); - nodetoplayer2[node] = -1; - } - } - Net_CloseConnection(node); - nodeingame[node] = false; - break; - case PT_CANRECEIVEGAMESTATE: - PT_CanReceiveGamestate(node); - break; - case PT_ASKLUAFILE: - if (server && luafiletransfers && luafiletransfers->nodestatus[node] == LFTNS_ASKED) - AddLuaFileToSendQueue(node, luafiletransfers->realfilename); - break; - case PT_HASLUAFILE: - if (server && luafiletransfers && luafiletransfers->nodestatus[node] == LFTNS_SENDING) - SV_HandleLuaFileSent(node); - break; - case PT_RECEIVEDGAMESTATE: - sendingsavegame[node] = false; - resendingsavegame[node] = false; - savegameresendcooldown[node] = I_GetTime() + 5 * TICRATE; - break; -// -------------------------------------------- CLIENT RECEIVE ---------- - case PT_SERVERTICS: - // Only accept PT_SERVERTICS from the server. - if (node != servernode) - { - CONS_Alert(CONS_WARNING, M_GetText("%s received from non-host %d\n"), "PT_SERVERTICS", node); - if (server) - SendKick(netconsole, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); - break; - } - - realstart = netbuffer->u.serverpak.starttic; - realend = realstart + netbuffer->u.serverpak.numtics; - - if (!txtpak) - txtpak = (UINT8 *)&netbuffer->u.serverpak.cmds[netbuffer->u.serverpak.numslots - * netbuffer->u.serverpak.numtics]; - - if (realend > gametic + CLIENTBACKUPTICS) - realend = gametic + CLIENTBACKUPTICS; - cl_packetmissed = realstart > neededtic; - - if (realstart <= neededtic && realend > neededtic) - { - tic_t i, j; - pak = (UINT8 *)&netbuffer->u.serverpak.cmds; - - for (i = realstart; i < realend; i++) - { - // clear first - D_Clearticcmd(i); - - // copy the tics - pak = G_ScpyTiccmd(netcmds[i%BACKUPTICS], pak, - netbuffer->u.serverpak.numslots*sizeof (ticcmd_t)); - - // copy the textcmds - numtxtpak = *txtpak++; - for (j = 0; j < numtxtpak; j++) - { - INT32 k = *txtpak++; // playernum - const size_t txtsize = txtpak[0]+1; - - if (i >= gametic) // Don't copy old net commands - M_Memcpy(D_GetTextcmd(i, k), txtpak, txtsize); - txtpak += txtsize; - } - } - - neededtic = realend; - } - else - { - DEBFILE(va("frame not in bound: %u\n", neededtic)); - /*if (realend < neededtic - 2 * TICRATE || neededtic + 2 * TICRATE < realstart) - I_Error("Received an out of order PT_SERVERTICS packet!\n" - "Got tics %d-%d, needed tic %d\n\n" - "Please report this crash on the Master Board,\n" - "IRC or Discord so it can be fixed.\n", (INT32)realstart, (INT32)realend, (INT32)neededtic);*/ - } - break; - case PT_PING: - // Only accept PT_PING from the server. - if (node != servernode) - { - CONS_Alert(CONS_WARNING, M_GetText("%s received from non-host %d\n"), "PT_PING", node); - if (server) - SendKick(netconsole, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); - break; - } - - //Update client ping table from the server. - if (client) - { - UINT8 i; - for (i = 0; i < MAXPLAYERS; i++) - if (playeringame[i]) - playerpingtable[i] = (tic_t)netbuffer->u.pingtable[i]; - - servermaxping = (tic_t)netbuffer->u.pingtable[MAXPLAYERS]; - } - - break; - case PT_SERVERCFG: - break; - case PT_FILEFRAGMENT: - // Only accept PT_FILEFRAGMENT from the server. - if (node != servernode) - { - CONS_Alert(CONS_WARNING, M_GetText("%s received from non-host %d\n"), "PT_FILEFRAGMENT", node); - if (server) - SendKick(netconsole, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); - break; - } - if (client) - PT_FileFragment(); - break; - case PT_FILEACK: - if (server) - PT_FileAck(); - break; - case PT_FILERECEIVED: - if (server) - PT_FileReceived(); - break; - case PT_WILLRESENDGAMESTATE: - PT_WillResendGamestate(); - break; - case PT_SENDINGLUAFILE: - if (client) - CL_PrepareDownloadLuaFile(); - break; - default: - DEBFILE(va("UNKNOWN PACKET TYPE RECEIVED %d from host %d\n", - netbuffer->packettype, node)); - } // end switch -} - -/** Handles all received packets, if any - * - * \todo Add details to this description (lol) - * - */ -static void GetPackets(void) -{ - SINT8 node; // The packet sender - - player_joining = false; - - while (HGetPacket()) - { - node = (SINT8)doomcom->remotenode; - - if (netbuffer->packettype == PT_CLIENTJOIN && server) - { - HandleConnect(node); - continue; - } - if (node == servernode && client && cl_mode != CL_SEARCHING) - { - if (netbuffer->packettype == PT_SERVERSHUTDOWN) - { - HandleShutdown(node); - continue; - } - if (netbuffer->packettype == PT_NODETIMEOUT) - { - HandleTimeout(node); - continue; - } - } - -#ifndef NONET - if (netbuffer->packettype == PT_SERVERINFO) - { - HandleServerInfo(node); - continue; - } -#endif - - if (netbuffer->packettype == PT_PLAYERINFO) - continue; // We do nothing with PLAYERINFO, that's for the MS browser. - - // Packet received from someone already playing - if (nodeingame[node]) - HandlePacketFromPlayer(node); - // Packet received from someone not playing - else - HandlePacketFromAwayNode(node); - } -} - -// -// NetUpdate -// Builds ticcmds for console player, -// sends out a packet -// -// no more use random generator, because at very first tic isn't yet synchronized -// Note: It is called consistAncy on purpose. -// -static INT16 Consistancy(void) -{ - INT32 i; - UINT32 ret = 0; -#ifdef MOBJCONSISTANCY - thinker_t *th; - mobj_t *mo; -#endif - - DEBFILE(va("TIC %u ", gametic)); - - for (i = 0; i < MAXPLAYERS; i++) - { - if (!playeringame[i]) - ret ^= 0xCCCC; - else if (!players[i].mo); - else - { - ret += players[i].mo->x; - ret -= players[i].mo->y; - ret += players[i].powers[pw_shield]; - ret *= i+1; - } - } - // I give up - // Coop desynching enemies is painful - if (!G_PlatformGametype()) - ret += P_GetRandSeed(); - -#ifdef MOBJCONSISTANCY - if (gamestate == GS_LEVEL) - { - for (th = thlist[THINK_MOBJ].next; th != &thlist[THINK_MOBJ]; th = th->next) - { - if (th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed) - continue; - - mo = (mobj_t *)th; - - if (mo->flags & (MF_SPECIAL | MF_SOLID | MF_PUSHABLE | MF_BOSS | MF_MISSILE | MF_SPRING | MF_MONITOR | MF_FIRE | MF_ENEMY | MF_PAIN | MF_STICKY)) - { - ret -= mo->type; - ret += mo->x; - ret -= mo->y; - ret += mo->z; - ret -= mo->momx; - ret += mo->momy; - ret -= mo->momz; - ret += mo->angle; - ret -= mo->flags; - ret += mo->flags2; - ret -= mo->eflags; - if (mo->target) - { - ret += mo->target->type; - ret -= mo->target->x; - ret += mo->target->y; - ret -= mo->target->z; - ret += mo->target->momx; - ret -= mo->target->momy; - ret += mo->target->momz; - ret -= mo->target->angle; - ret += mo->target->flags; - ret -= mo->target->flags2; - ret += mo->target->eflags; - ret -= mo->target->state - states; - ret += mo->target->tics; - ret -= mo->target->sprite; - ret += mo->target->frame; - } - else - ret ^= 0x3333; - if (mo->tracer && mo->tracer->type != MT_OVERLAY) - { - ret += mo->tracer->type; - ret -= mo->tracer->x; - ret += mo->tracer->y; - ret -= mo->tracer->z; - ret += mo->tracer->momx; - ret -= mo->tracer->momy; - ret += mo->tracer->momz; - ret -= mo->tracer->angle; - ret += mo->tracer->flags; - ret -= mo->tracer->flags2; - ret += mo->tracer->eflags; - ret -= mo->tracer->state - states; - ret += mo->tracer->tics; - ret -= mo->tracer->sprite; - ret += mo->tracer->frame; - } - else - ret ^= 0xAAAA; - ret -= mo->state - states; - ret += mo->tics; - ret -= mo->sprite; - ret += mo->frame; - } - } - } -#endif - - DEBFILE(va("Consistancy = %u\n", (ret & 0xFFFF))); - - return (INT16)(ret & 0xFFFF); -} - -// confusing, but this DOESN'T send PT_NODEKEEPALIVE, it sends PT_BASICKEEPALIVE -// used during wipes to tell the server that a node is still connected -static void CL_SendClientKeepAlive(void) -{ - netbuffer->packettype = PT_BASICKEEPALIVE; - - HSendPacket(servernode, false, 0, 0); -} - -static void SV_SendServerKeepAlive(void) -{ - INT32 n; - - for (n = 1; n < MAXNETNODES; n++) - { - if (nodeingame[n]) - { - netbuffer->packettype = PT_BASICKEEPALIVE; - HSendPacket(n, false, 0, 0); - } - } -} - -// send the client packet to the server -static void CL_SendClientCmd(void) -{ - size_t packetsize = 0; - boolean mis = false; - - netbuffer->packettype = PT_CLIENTCMD; - - if (cl_packetmissed) - { - netbuffer->packettype = PT_CLIENTMIS; - mis = true; - } - - netbuffer->u.clientpak.resendfrom = (UINT8)(neededtic & UINT8_MAX); - netbuffer->u.clientpak.client_tic = (UINT8)(gametic & UINT8_MAX); - - if (gamestate == GS_WAITINGPLAYERS) - { - // Send PT_NODEKEEPALIVE packet - netbuffer->packettype = (mis ? PT_NODEKEEPALIVEMIS : PT_NODEKEEPALIVE); - packetsize = sizeof (clientcmd_pak) - sizeof (ticcmd_t) - sizeof (INT16); - HSendPacket(servernode, false, 0, packetsize); - } - else if (gamestate != GS_NULL && (addedtogame || dedicated)) - { - packetsize = sizeof (clientcmd_pak); - G_MoveTiccmd(&netbuffer->u.clientpak.cmd, &localcmds, 1); - netbuffer->u.clientpak.consistancy = SHORT(consistancy[gametic%BACKUPTICS]); - - // Send a special packet with 2 cmd for splitscreen - if (splitscreen || botingame) - { - netbuffer->packettype = (mis ? PT_CLIENT2MIS : PT_CLIENT2CMD); - packetsize = sizeof (client2cmd_pak); - G_MoveTiccmd(&netbuffer->u.client2pak.cmd2, &localcmds2, 1); - } - - HSendPacket(servernode, false, 0, packetsize); - } - - if (cl_mode == CL_CONNECTED || dedicated) - { - // Send extra data if needed - if (localtextcmd[0]) - { - netbuffer->packettype = PT_TEXTCMD; - M_Memcpy(netbuffer->u.textcmd, localtextcmd, localtextcmd[0]+1); - // All extra data have been sent - if (HSendPacket(servernode, true, 0, localtextcmd[0]+1)) // Send can fail... - localtextcmd[0] = 0; - } - - // Send extra data if needed for player 2 (splitscreen) - if (localtextcmd2[0]) - { - netbuffer->packettype = PT_TEXTCMD2; - M_Memcpy(netbuffer->u.textcmd, localtextcmd2, localtextcmd2[0]+1); - // All extra data have been sent - if (HSendPacket(servernode, true, 0, localtextcmd2[0]+1)) // Send can fail... - localtextcmd2[0] = 0; - } - } -} - -// send the server packet -// send tic from firstticstosend to maketic-1 -static void SV_SendTics(void) -{ - tic_t realfirsttic, lasttictosend, i; - UINT32 n; - INT32 j; - size_t packsize; - UINT8 *bufpos; - UINT8 *ntextcmd; - - // send to all client but not to me - // for each node create a packet with x tics and send it - // x is computed using supposedtics[n], max packet size and maketic - for (n = 1; n < MAXNETNODES; n++) - if (nodeingame[n]) - { - // assert supposedtics[n]>=nettics[n] - realfirsttic = supposedtics[n]; - lasttictosend = min(maketic, nettics[n] + CLIENTBACKUPTICS); - - if (realfirsttic >= lasttictosend) - { - // well we have sent all tics we will so use extrabandwidth - // to resent packet that are supposed lost (this is necessary since lost - // packet detection work when we have received packet with firsttic > neededtic - // (getpacket servertics case) - DEBFILE(va("Nothing to send node %u mak=%u sup=%u net=%u \n", - n, maketic, supposedtics[n], nettics[n])); - realfirsttic = nettics[n]; - if (realfirsttic >= lasttictosend || (I_GetTime() + n)&3) - // all tic are ok - continue; - DEBFILE(va("Sent %d anyway\n", realfirsttic)); - } - if (realfirsttic < firstticstosend) - realfirsttic = firstticstosend; - - // compute the length of the packet and cut it if too large - packsize = BASESERVERTICSSIZE; - for (i = realfirsttic; i < lasttictosend; i++) - { - packsize += sizeof (ticcmd_t) * doomcom->numslots; - packsize += TotalTextCmdPerTic(i); - - if (packsize > software_MAXPACKETLENGTH) - { - DEBFILE(va("packet too large (%s) at tic %d (should be from %d to %d)\n", - sizeu1(packsize), i, realfirsttic, lasttictosend)); - lasttictosend = i; - - // too bad: too much player have send extradata and there is too - // much data in one tic. - // To avoid it put the data on the next tic. (see getpacket - // textcmd case) but when numplayer changes the computation can be different - if (lasttictosend == realfirsttic) - { - if (packsize > MAXPACKETLENGTH) - I_Error("Too many players: can't send %s data for %d players to node %d\n" - "Well sorry nobody is perfect....\n", - sizeu1(packsize), doomcom->numslots, n); - else - { - lasttictosend++; // send it anyway! - DEBFILE("sending it anyway\n"); - } - } - break; - } - } - - // Send the tics - netbuffer->packettype = PT_SERVERTICS; - netbuffer->u.serverpak.starttic = realfirsttic; - netbuffer->u.serverpak.numtics = (UINT8)(lasttictosend - realfirsttic); - netbuffer->u.serverpak.numslots = (UINT8)SHORT(doomcom->numslots); - bufpos = (UINT8 *)&netbuffer->u.serverpak.cmds; - - for (i = realfirsttic; i < lasttictosend; i++) - { - bufpos = G_DcpyTiccmd(bufpos, netcmds[i%BACKUPTICS], doomcom->numslots * sizeof (ticcmd_t)); - } - - // add textcmds - for (i = realfirsttic; i < lasttictosend; i++) - { - ntextcmd = bufpos++; - *ntextcmd = 0; - for (j = 0; j < MAXPLAYERS; j++) - { - UINT8 *textcmd = D_GetExistingTextcmd(i, j); - INT32 size = textcmd ? textcmd[0] : 0; - - if ((!j || playeringame[j]) && size) - { - (*ntextcmd)++; - WRITEUINT8(bufpos, j); - M_Memcpy(bufpos, textcmd, size + 1); - bufpos += size + 1; - } - } - } - packsize = bufpos - (UINT8 *)&(netbuffer->u); - - HSendPacket(n, false, 0, packsize); - // when tic are too large, only one tic is sent so don't go backward! - if (lasttictosend-doomcom->extratics > realfirsttic) - supposedtics[n] = lasttictosend-doomcom->extratics; - else - supposedtics[n] = lasttictosend; - if (supposedtics[n] < nettics[n]) supposedtics[n] = nettics[n]; - } - // node 0 is me! - supposedtics[0] = maketic; -} - -// -// TryRunTics -// -static void Local_Maketic(INT32 realtics) -{ - I_OsPolling(); // I_Getevent - D_ProcessEvents(); // menu responder, cons responder, - // game responder calls HU_Responder, AM_Responder, - // and G_MapEventsToControls - if (!dedicated) rendergametic = gametic; - // translate inputs (keyboard/mouse/joystick) into game controls - G_BuildTiccmd(&localcmds, realtics, 1); - if (splitscreen || botingame) - G_BuildTiccmd(&localcmds2, realtics, 2); - - localcmds.angleturn |= TICCMD_RECEIVED; - localcmds2.angleturn |= TICCMD_RECEIVED; -} - -// create missed tic -static void SV_Maketic(void) -{ - INT32 i; - - for (i = 0; i < MAXPLAYERS; i++) - { - if (!playeringame[i]) - continue; - - // We didn't receive this tic - if ((netcmds[maketic % BACKUPTICS][i].angleturn & TICCMD_RECEIVED) == 0) - { - ticcmd_t * ticcmd = &netcmds[(maketic ) % BACKUPTICS][i]; - ticcmd_t *prevticcmd = &netcmds[(maketic - 1) % BACKUPTICS][i]; - - if (players[i].quittime) - { - // Copy the angle/aiming from the previous tic - // and empty the other inputs - memset(ticcmd, 0, sizeof(netcmds[0][0])); - ticcmd->angleturn = prevticcmd->angleturn | TICCMD_RECEIVED; - ticcmd->aiming = prevticcmd->aiming; - } - else - { - DEBFILE(va("MISS tic%4d for player %d\n", maketic, i)); - // Copy the input from the previous tic - *ticcmd = *prevticcmd; - ticcmd->angleturn &= ~TICCMD_RECEIVED; - } - } - } - - // all tic are now proceed make the next - maketic++; -} - -boolean TryRunTics(tic_t realtics) -{ - boolean ticking; - - // the machine has lagged but it is not so bad - if (realtics > TICRATE/7) // FIXME: consistency failure!! - { - if (server) - realtics = 1; - else - realtics = TICRATE/7; - } - - if (singletics) - realtics = 1; - - if (realtics >= 1) - { - COM_BufTicker(); - if (mapchangepending) - D_MapChange(-1, 0, ultimatemode, false, 2, false, fromlevelselect); // finish the map change - } - - NetUpdate(); - - if (demoplayback) - { - neededtic = gametic + realtics; - // start a game after a demo - maketic += realtics; - firstticstosend = maketic; - tictoclear = firstticstosend; - } - - GetPackets(); - -#ifdef DEBUGFILE - if (debugfile && (realtics || neededtic > gametic)) - { - //SoM: 3/30/2000: Need long INT32 in the format string for args 4 & 5. - //Shut up stupid warning! - fprintf(debugfile, "------------ Tryruntic: REAL:%d NEED:%d GAME:%d LOAD: %d\n", - realtics, neededtic, gametic, debugload); - debugload = 100000; - } -#endif - - ticking = neededtic > gametic; - - if (ticking) - { - if (realtics) - hu_stopped = false; - } - - if (player_joining) - { - if (realtics) - hu_stopped = true; - return false; - } - - if (ticking) - { - if (advancedemo) - { - if (timedemo_quit) - COM_ImmedExecute("quit"); - else - D_StartTitle(); - } - else - // run the count * tics - while (neededtic > gametic) - { - boolean update_stats = !(paused || P_AutoPause()); - - DEBFILE(va("============ Running tic %d (local %d)\n", gametic, localgametic)); - - if (update_stats) - PS_START_TIMING(ps_tictime); - - G_Ticker((gametic % NEWTICRATERATIO) == 0); - ExtraDataTicker(); - gametic++; - consistancy[gametic%BACKUPTICS] = Consistancy(); - - if (update_stats) - { - PS_STOP_TIMING(ps_tictime); - PS_UpdateTickStats(); - } - - // Leave a certain amount of tics present in the net buffer as long as we've ran at least one tic this frame. - if (client && gamestate == GS_LEVEL && leveltime > 3 && neededtic <= gametic + cv_netticbuffer.value) - break; - } - } - else - { - if (realtics) - hu_stopped = true; - } - - return ticking; -} - -/* -Ping Update except better: -We call this once per second and check for people's pings. If their ping happens to be too high, we increment some timer and kick them out. -If they're not lagging, decrement the timer by 1. Of course, reset all of this if they leave. -*/ - -static INT32 pingtimeout[MAXPLAYERS]; - -static inline void PingUpdate(void) -{ - INT32 i; - boolean laggers[MAXPLAYERS]; - UINT8 numlaggers = 0; - memset(laggers, 0, sizeof(boolean) * MAXPLAYERS); - - netbuffer->packettype = PT_PING; - - //check for ping limit breakage. - if (cv_maxping.value) - { - for (i = 1; i < MAXPLAYERS; i++) - { - if (playeringame[i] && !players[i].quittime - && (realpingtable[i] / pingmeasurecount > (unsigned)cv_maxping.value)) - { - if (players[i].jointime > 30 * TICRATE) - laggers[i] = true; - numlaggers++; - } - else - pingtimeout[i] = 0; - } - - //kick lagging players... unless everyone but the server's ping sucks. - //in that case, it is probably the server's fault. - if (numlaggers < D_NumPlayers() - 1) - { - for (i = 1; i < MAXPLAYERS; i++) - { - if (playeringame[i] && laggers[i]) - { - pingtimeout[i]++; - // ok your net has been bad for too long, you deserve to die. - if (pingtimeout[i] > cv_pingtimeout.value) - { - pingtimeout[i] = 0; - SendKick(i, KICK_MSG_PING_HIGH | KICK_MSG_KEEP_BODY); - } - } - /* - you aren't lagging, - but you aren't free yet. - In case you'll keep spiking, - we just make the timer go back down. (Very unstable net must still get kicked). - */ - else - pingtimeout[i] = (pingtimeout[i] == 0 ? 0 : pingtimeout[i]-1); - } - } - } - - //make the ping packet and clear server data for next one - for (i = 0; i < MAXPLAYERS; i++) - { - netbuffer->u.pingtable[i] = realpingtable[i] / pingmeasurecount; - //server takes a snapshot of the real ping for display. - //otherwise, pings fluctuate a lot and would be odd to look at. - playerpingtable[i] = realpingtable[i] / pingmeasurecount; - realpingtable[i] = 0; //Reset each as we go. - } - - // send the server's maxping as last element of our ping table. This is useful to let us know when we're about to get kicked. - netbuffer->u.pingtable[MAXPLAYERS] = cv_maxping.value; - - //send out our ping packets - for (i = 0; i < MAXNETNODES; i++) - if (nodeingame[i]) - HSendPacket(i, true, 0, sizeof(INT32) * (MAXPLAYERS+1)); - - pingmeasurecount = 1; //Reset count -} - -static tic_t gametime = 0; - -static void UpdatePingTable(void) -{ - INT32 i; - - if (server) - { - if (netgame && !(gametime % 35)) // update once per second. - PingUpdate(); - // update node latency values so we can take an average later. - for (i = 0; i < MAXPLAYERS; i++) - if (playeringame[i] && playernode[i] != UINT8_MAX) - realpingtable[i] += G_TicsToMilliseconds(GetLag(playernode[i])); - pingmeasurecount++; - } -} - -// Handle timeouts to prevent definitive freezes from happenning -static void HandleNodeTimeouts(void) -{ - INT32 i; - - if (server) - { - for (i = 1; i < MAXNETNODES; i++) - if (nodeingame[i] && freezetimeout[i] < I_GetTime()) - Net_ConnectionTimeout(i); - - // In case the cvar value was lowered - if (joindelay) - joindelay = min(joindelay - 1, 3 * (tic_t)cv_joindelay.value * TICRATE); - } -} - -// Keep the network alive while not advancing tics! -void NetKeepAlive(void) -{ - tic_t nowtime; - INT32 realtics; - - nowtime = I_GetTime(); - realtics = nowtime - gametime; - - // return if there's no time passed since the last call - if (realtics <= 0) // nothing new to update - return; - - UpdatePingTable(); - - GetPackets(); - -#ifdef MASTERSERVER - MasterClient_Ticker(); -#endif - - if (client) - { - // send keep alive - CL_SendClientKeepAlive(); - // No need to check for resynch because we aren't running any tics - } - else - { - SV_SendServerKeepAlive(); - } - - // No else because no tics are being run and we can't resynch during this - - Net_AckTicker(); - HandleNodeTimeouts(); - FileSendTicker(); -} - -void NetUpdate(void) -{ - static tic_t resptime = 0; - tic_t nowtime; - INT32 i; - INT32 realtics; - - nowtime = I_GetTime(); - realtics = nowtime - gametime; - - if (realtics <= 0) // nothing new to update - return; - - if (realtics > 5) - { - if (server) - realtics = 1; - else - realtics = 5; - } - - if (server && dedicated && gamestate == GS_LEVEL) - { - const tic_t dedicatedidletime = cv_dedicatedidletime.value * TICRATE; - static tic_t dedicatedidletimeprev = 0; - static tic_t dedicatedidle = 0; - - if (dedicatedidletime > 0) - { - for (i = 1; i < MAXNETNODES; ++i) - if (nodeingame[i]) - { - if (dedicatedidle >= dedicatedidletime) - { - CONS_Printf("DEDICATED: Awakening from idle (Node %d detected...)\n", i); - dedicatedidle = 0; - } - break; - } - - if (i == MAXNETNODES) - { - if (leveltime == 2) - { - // On next tick... - dedicatedidle = dedicatedidletime-1; - } - else if (dedicatedidle >= dedicatedidletime) - { - if (D_GetExistingTextcmd(gametic, 0) || D_GetExistingTextcmd(gametic+1, 0)) - { - CONS_Printf("DEDICATED: Awakening from idle (Netxcmd detected...)\n"); - dedicatedidle = 0; - } - else - { - realtics = 0; - } - } - else if ((dedicatedidle += realtics) >= dedicatedidletime) - { - const char *idlereason = "at round start"; - if (leveltime > 3) - idlereason = va("for %d seconds", dedicatedidle/TICRATE); - - CONS_Printf("DEDICATED: No nodes %s, idling...\n", idlereason); - realtics = 0; - dedicatedidle = dedicatedidletime; - } - } - } - else - { - if (dedicatedidletimeprev > 0 && dedicatedidle >= dedicatedidletimeprev) - { - CONS_Printf("DEDICATED: Awakening from idle (Idle disabled...)\n"); - } - dedicatedidle = 0; - } - - dedicatedidletimeprev = dedicatedidletime; - } - - gametime = nowtime; - - UpdatePingTable(); - - if (client) - maketic = neededtic; - - Local_Maketic(realtics); // make local tic, and call menu? - - if (server) - CL_SendClientCmd(); // send it - - GetPackets(); // get packet from client or from server - - // client send the command after a receive of the server - // the server send before because in single player is beter - -#ifdef MASTERSERVER - MasterClient_Ticker(); // Acking the Master Server -#endif - - if (client) - { -#ifndef NONET - // If the client just finished redownloading the game state, load it - if (cl_redownloadinggamestate && fileneeded[0].status == FS_FOUND) - CL_ReloadReceivedSavegame(); -#endif - - CL_SendClientCmd(); // Send tic cmd - hu_redownloadinggamestate = cl_redownloadinggamestate; - } - else - { - if (!demoplayback && realtics > 0) - { - INT32 counts; - - hu_redownloadinggamestate = false; - - // Don't erase tics not acknowledged - counts = realtics; - - firstticstosend = gametic; - for (i = 0; i < MAXNETNODES; i++) - { - if (!nodeingame[i]) - continue; - if (nettics[i] < firstticstosend) - firstticstosend = nettics[i]; - if (maketic + counts >= nettics[i] + (BACKUPTICS - TICRATE)) - Net_ConnectionTimeout(i); - } - - if (maketic + counts >= firstticstosend + BACKUPTICS) - counts = firstticstosend+BACKUPTICS-maketic-1; - - for (i = 0; i < counts; i++) - SV_Maketic(); // Create missed tics and increment maketic - - for (; tictoclear < firstticstosend; tictoclear++) // Clear only when acknowledged - D_Clearticcmd(tictoclear); // Clear the maketic the new tic - - SV_SendTics(); - - neededtic = maketic; // The server is a client too - } - } - - Net_AckTicker(); - HandleNodeTimeouts(); - - nowtime /= NEWTICRATERATIO; - - if (nowtime > resptime) - { - resptime = nowtime; -#ifdef HAVE_THREADS - I_lock_mutex(&m_menu_mutex); -#endif - M_Ticker(); -#ifdef HAVE_THREADS - I_unlock_mutex(m_menu_mutex); -#endif - CON_Ticker(); - } - - FileSendTicker(); -} - -/** Returns the number of players playing. - * \return Number of players. Can be zero if we're running a ::dedicated - * server. - * \author Graue - */ -INT32 D_NumPlayers(void) -{ - INT32 num = 0, ix; - for (ix = 0; ix < MAXPLAYERS; ix++) - if (playeringame[ix]) - num++; - return num; -} - -/** Similar to the above, but counts only bots. - * Purpose is to remove bots from both the player count and the - * max player count on the server view -*/ -INT32 D_NumBots(void) -{ - INT32 num = 0, ix; - for (ix = 0; ix < MAXPLAYERS; ix++) - if (playeringame[ix] && players[ix].bot) - num++; - return num; -} - -tic_t GetLag(INT32 node) -{ - return gametic - nettics[node]; -} - -void D_MD5PasswordPass(const UINT8 *buffer, size_t len, const char *salt, void *dest) -{ -#ifdef NOMD5 - (void)buffer; - (void)len; - (void)salt; - memset(dest, 0, 16); -#else - char tmpbuf[256]; - const size_t sl = strlen(salt); - - if (len > 256-sl) - len = 256-sl; - - memcpy(tmpbuf, buffer, len); - memmove(&tmpbuf[len], salt, sl); - //strcpy(&tmpbuf[len], salt); - len += strlen(salt); - if (len < 256) - memset(&tmpbuf[len],0,256-len); - - // Yes, we intentionally md5 the ENTIRE buffer regardless of size... - md5_buffer(tmpbuf, 256, dest); -#endif -} diff --git a/src/d_main.c b/src/d_main.c index 871b8400c..80907a013 100644 --- a/src/d_main.c +++ b/src/d_main.c @@ -34,7 +34,7 @@ #include "doomdef.h" #include "am_map.h" #include "console.h" -#include "d_net.h" +#include "netcode/d_net.h" #include "f_finale.h" #include "g_game.h" #include "hu_stuff.h" @@ -56,11 +56,11 @@ #include "w_wad.h" #include "z_zone.h" #include "d_main.h" -#include "d_netfil.h" +#include "netcode/d_netfil.h" #include "m_cheat.h" #include "y_inter.h" #include "p_local.h" // chasecam -#include "mserv.h" // ms_RoomId +#include "netcode/mserv.h" // ms_RoomId #include "m_misc.h" // screenshot functionality #include "deh_tables.h" // Dehacked list test #include "m_cond.h" // condition initialization diff --git a/src/deh_soc.c b/src/deh_soc.c index 2193cd875..59eb0a9bd 100644 --- a/src/deh_soc.c +++ b/src/deh_soc.c @@ -34,7 +34,7 @@ #include "r_sky.h" #include "fastcmp.h" #include "lua_script.h" // Reluctantly included for LUA_EvalMath -#include "d_clisrv.h" +#include "netcode/d_clisrv.h" #ifdef HWRENDER #include "hardware/hw_light.h" diff --git a/src/deh_soc.h b/src/deh_soc.h index 0cab545f6..029390133 100644 --- a/src/deh_soc.h +++ b/src/deh_soc.h @@ -35,7 +35,7 @@ #include "r_sky.h" #include "fastcmp.h" #include "lua_script.h" // Reluctantly included for LUA_EvalMath -#include "d_clisrv.h" +#include "netcode/d_clisrv.h" #ifdef HWRENDER #include "hardware/hw_light.h" diff --git a/src/deh_tables.c b/src/deh_tables.c index 0801cf935..7012ede46 100644 --- a/src/deh_tables.c +++ b/src/deh_tables.c @@ -4883,7 +4883,7 @@ const char *const MENUTYPES_LIST[] = { "MP_SERVER", "MP_CONNECT", "MP_ROOM", - "MP_PLAYERSETUP", // MP_PlayerSetupDef shared with SPLITSCREEN if #defined NONET + "MP_PLAYERSETUP", "MP_SERVER_OPTIONS", // Options diff --git a/src/doomdef.h b/src/doomdef.h index 45d6645fa..b382d0ecb 100644 --- a/src/doomdef.h +++ b/src/doomdef.h @@ -56,7 +56,6 @@ #endif #ifdef _WINDOWS -#define NONET #if !defined (HWRENDER) && !defined (NOHW) #define HWRENDER #endif @@ -724,7 +723,7 @@ extern int /// Maintain compatibility with older 2.2 demos #define OLD22DEMOCOMPAT -#if defined (HAVE_CURL) && ! defined (NONET) +#ifdef HAVE_CURL #define MASTERSERVER #else #undef UPDATE_ALERT diff --git a/src/doomstat.h b/src/doomstat.h index fdd0d0b83..6a2d6acf0 100644 --- a/src/doomstat.h +++ b/src/doomstat.h @@ -634,7 +634,7 @@ extern boolean singletics; // Netgame stuff // ============= -#include "d_clisrv.h" +#include "netcode/d_clisrv.h" extern consvar_t cv_timetic; // display high resolution timer extern consvar_t cv_powerupdisplay; // display powerups diff --git a/src/dummy/i_net.c b/src/dummy/i_net.c index f6e642022..4c30dc767 100644 --- a/src/dummy/i_net.c +++ b/src/dummy/i_net.c @@ -1,4 +1,4 @@ -#include "../i_net.h" +#include "../netcode/i_net.h" boolean I_InitNetwork(void) { diff --git a/src/f_finale.c b/src/f_finale.c index 91c06b316..7afed27d0 100644 --- a/src/f_finale.c +++ b/src/f_finale.c @@ -14,7 +14,7 @@ #include "doomdef.h" #include "doomstat.h" #include "d_main.h" -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" #include "f_finale.h" #include "g_game.h" #include "hu_stuff.h" diff --git a/src/filesrch.c b/src/filesrch.c index 9ee64f5ba..313f286e1 100644 --- a/src/filesrch.c +++ b/src/filesrch.c @@ -26,7 +26,7 @@ #include #include "filesrch.h" -#include "d_netfil.h" +#include "netcode/d_netfil.h" #include "m_misc.h" #include "z_zone.h" #include "m_menu.h" // Addons_option_Onchange diff --git a/src/filesrch.h b/src/filesrch.h index 59ef5269b..a934c48d6 100644 --- a/src/filesrch.h +++ b/src/filesrch.h @@ -5,7 +5,7 @@ #define __FILESRCH_H__ #include "doomdef.h" -#include "d_netfil.h" +#include "netcode/d_netfil.h" #include "m_menu.h" // MAXSTRINGLENGTH #include "w_wad.h" diff --git a/src/g_demo.c b/src/g_demo.c index e3377ab13..4e959bcf3 100644 --- a/src/g_demo.c +++ b/src/g_demo.c @@ -15,7 +15,7 @@ #include "console.h" #include "d_main.h" #include "d_player.h" -#include "d_clisrv.h" +#include "netcode/d_clisrv.h" #include "p_setup.h" #include "i_time.h" #include "i_system.h" @@ -39,7 +39,7 @@ #include "v_video.h" #include "lua_hook.h" #include "md5.h" // demo checksums -#include "d_netfil.h" // G_CheckDemoExtraFiles +#include "netcode/d_netfil.h" // G_CheckDemoExtraFiles boolean timingdemo; // if true, exit with report on completion boolean nodrawers; // for comparative timing purposes @@ -1894,7 +1894,7 @@ UINT8 G_CmpDemoTime(char *oldname, char *newname) switch(oldversion) // demoversion { case DEMOVERSION: // latest always supported - case 0x000f: // The previous demoversions also supported + case 0x000f: // The previous demoversions also supported case 0x000e: case 0x000d: // all that changed between then and now was longer color name case 0x000c: diff --git a/src/g_game.c b/src/g_game.c index 60c3cf3d8..fae311694 100644 --- a/src/g_game.c +++ b/src/g_game.c @@ -15,7 +15,8 @@ #include "console.h" #include "d_main.h" #include "d_player.h" -#include "d_clisrv.h" +#include "netcode/d_clisrv.h" +#include "netcode/net_command.h" #include "f_finale.h" #include "p_setup.h" #include "p_saveg.h" diff --git a/src/g_input.c b/src/g_input.c index 826dcecbd..fa30c1984 100644 --- a/src/g_input.c +++ b/src/g_input.c @@ -16,7 +16,7 @@ #include "g_input.h" #include "keys.h" #include "hu_stuff.h" // need HUFONT start & end -#include "d_net.h" +#include "netcode/d_net.h" #include "console.h" #define MAXMOUSESENSITIVITY 100 // sensitivity steps diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c index f2022bcea..59af61753 100644 --- a/src/hardware/hw_main.c +++ b/src/hardware/hw_main.c @@ -29,7 +29,7 @@ #include "../r_patch.h" #include "../r_picformats.h" #include "../r_bsp.h" -#include "../d_clisrv.h" +#include "../netcode/d_clisrv.h" #include "../w_wad.h" #include "../z_zone.h" #include "../r_splats.h" diff --git a/src/hu_stuff.c b/src/hu_stuff.c index e223d3208..eb2915d80 100644 --- a/src/hu_stuff.c +++ b/src/hu_stuff.c @@ -19,7 +19,9 @@ #include "m_cond.h" // emblems #include "m_misc.h" // word jumping -#include "d_clisrv.h" +#include "netcode/d_clisrv.h" +#include "netcode/net_command.h" +#include "netcode/gamestate.h" #include "g_game.h" #include "g_input.h" @@ -175,14 +177,12 @@ static huddrawlist_h luahuddrawlist_scores; static tic_t resynch_ticker = 0; -#ifndef NONET // just after static void Command_Say_f(void); static void Command_Sayto_f(void); static void Command_Sayteam_f(void); static void Command_CSay_f(void); static void Got_Saycmd(UINT8 **p, INT32 playernum); -#endif void HU_LoadGraphics(void) { @@ -327,13 +327,11 @@ void HU_LoadGraphics(void) // void HU_Init(void) { -#ifndef NONET COM_AddCommand("say", Command_Say_f, COM_LUA); COM_AddCommand("sayto", Command_Sayto_f, COM_LUA); COM_AddCommand("sayteam", Command_Sayteam_f, COM_LUA); COM_AddCommand("csay", Command_CSay_f, COM_LUA); RegisterNetXCmd(XD_SAY, Got_Saycmd); -#endif // set shift translation table shiftxform = english_shiftxform; @@ -363,8 +361,6 @@ void HU_Start(void) // EXECUTION //====================================================================== -#ifndef NONET - // EVERY CHANGE IN THIS SCRIPT IS LOL XD! BY VINCYTM static UINT32 chat_nummsg_log = 0; @@ -412,11 +408,9 @@ static void HU_removeChatText_Log(void) } chat_nummsg_log--; // lost 1 msg. } -#endif void HU_AddChatText(const char *text, boolean playsound) { -#ifndef NONET if (playsound && cv_consolechat.value != 2) // Don't play the sound if we're using hidden chat. S_StartSound(NULL, sfx_radio); // reguardless of our preferences, put all of this in the chat buffer in case we decide to change from oldchat mid-game. @@ -438,14 +432,8 @@ void HU_AddChatText(const char *text, boolean playsound) CONS_Printf("%s\n", text); else // if we aren't, still save the message to log.txt CON_LogMessage(va("%s\n", text)); -#else - (void)playsound; - CONS_Printf("%s\n", text); -#endif } -#ifndef NONET - /** Runs a say command, sending an ::XD_SAY message. * A say command consists of a signed 8-bit integer for the target, an * unsigned 8-bit flag variable, and then the message itself. @@ -865,8 +853,6 @@ static void Got_Saycmd(UINT8 **p, INT32 playernum) #endif } -#endif - // // void HU_Ticker(void) @@ -882,7 +868,6 @@ void HU_Ticker(void) else hu_showscores = false; -#ifndef NONET if (chat_on) { // count down the scroll timer. @@ -910,7 +895,6 @@ void HU_Ticker(void) HU_removeChatText_Mini(); } } -#endif if (cechotimer > 0) --cechotimer; @@ -918,8 +902,6 @@ void HU_Ticker(void) resynch_ticker++; } -#ifndef NONET - static boolean teamtalk = false; static boolean justscrolleddown; static boolean justscrolledup; @@ -1027,8 +1009,6 @@ static void HU_sendChatMessage(void) } } -#endif - void HU_clearChatChars(void) { memset(w_chat, '\0', sizeof(w_chat)); @@ -1043,9 +1023,7 @@ void HU_clearChatChars(void) // boolean HU_Responder(event_t *ev) { -#ifndef NONET INT32 c=0; -#endif if (ev->type != ev_keydown) return false; @@ -1072,7 +1050,6 @@ boolean HU_Responder(event_t *ev) return false; }*/ //We don't actually care about that unless we get splitscreen netgames. :V -#ifndef NONET c = (INT32)ev->key; if (!chat_on) @@ -1222,7 +1199,6 @@ boolean HU_Responder(event_t *ev) return true; } -#endif return false; } @@ -1232,8 +1208,6 @@ boolean HU_Responder(event_t *ev) // HEADS UP DRAWING //====================================================================== -#ifndef NONET - // Precompile a wordwrapped string to any given width. // This is a muuuch better method than V_WORDWRAP. // again stolen and modified a bit from video.c, don't mind me, will need to rearrange this one day. @@ -1813,7 +1787,6 @@ static void HU_DrawChat_Old(void) if (hu_tick < 4) V_DrawCharacter(HU_INPUTX + c, y, '_' | cv_constextsize.value |V_NOSCALESTART|t, true); } -#endif // Draw crosshairs at the exact center of the view. // In splitscreen, crosshairs are stretched vertically to compensate for V_PERPLAYER squishing them. @@ -1953,7 +1926,6 @@ static void HU_DrawDemoInfo(void) // void HU_Drawer(void) { -#ifndef NONET // draw chat string plus cursor if (chat_on) { @@ -1970,7 +1942,6 @@ void HU_Drawer(void) if (!OLDCHAT && cv_consolechat.value < 2 && netgame) // Don't display minimized chat if you set the mode to Window (Hidden) HU_drawMiniChat(); // draw messages in a cool fashion. } -#endif if (cechotimer) HU_DrawCEcho(); diff --git a/src/i_time.c b/src/i_time.c index 2a22503f1..fae26abed 100644 --- a/src/i_time.c +++ b/src/i_time.c @@ -17,7 +17,7 @@ #include "command.h" #include "doomtype.h" -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" #include "m_fixed.h" #include "i_system.h" diff --git a/src/lua_baselib.c b/src/lua_baselib.c index 4af5066ae..8cb6d185d 100644 --- a/src/lua_baselib.c +++ b/src/lua_baselib.c @@ -26,11 +26,11 @@ #include "y_inter.h" #include "hu_stuff.h" // HU_AddChatText #include "console.h" -#include "d_netcmd.h" // IsPlayerAdmin +#include "netcode/d_netcmd.h" // IsPlayerAdmin #include "m_menu.h" // Player Setup menu color stuff #include "m_misc.h" // M_MapNumber #include "b_bot.h" // B_UpdateBotleader -#include "d_clisrv.h" // CL_RemovePlayer +#include "netcode/d_clisrv.h" // CL_RemovePlayer #include "i_system.h" // I_GetPreciseTime, I_GetPrecisePrecision #include "lua_script.h" diff --git a/src/lua_consolelib.c b/src/lua_consolelib.c index 3783b8f7b..0ab8ad9c3 100644 --- a/src/lua_consolelib.c +++ b/src/lua_consolelib.c @@ -16,6 +16,7 @@ #include "g_game.h" #include "byteptr.h" #include "z_zone.h" +#include "netcode/net_command.h" #include "lua_script.h" #include "lua_libs.h" diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c index 039a9677f..0fc25ee6c 100644 --- a/src/lua_hooklib.c +++ b/src/lua_hooklib.c @@ -24,7 +24,7 @@ #include "lua_hud.h" // hud_running errors #include "m_perfstats.h" -#include "d_netcmd.h" // for cv_perfstats +#include "netcode/d_netcmd.h" // for cv_perfstats #include "i_system.h" // I_GetPreciseTime /* ========================================================================= diff --git a/src/lua_script.c b/src/lua_script.c index 6a5982006..392935b4f 100644 --- a/src/lua_script.c +++ b/src/lua_script.c @@ -28,7 +28,7 @@ #include "p_slopes.h" // for P_SlopeById and slopelist #include "p_polyobj.h" // polyobj_t, PolyObjects #ifdef LUA_ALLOW_BYTECODE -#include "d_netfil.h" // for LUA_DumpFile +#include "netcode/d_netfil.h" // for LUA_DumpFile #endif #include "lua_script.h" diff --git a/src/m_cheat.c b/src/m_cheat.c index 7ad86353a..2bcf43ad1 100644 --- a/src/m_cheat.c +++ b/src/m_cheat.c @@ -19,7 +19,7 @@ #include "r_local.h" #include "p_local.h" #include "p_setup.h" -#include "d_net.h" +#include "netcode/d_net.h" #include "m_cheat.h" #include "m_menu.h" diff --git a/src/m_menu.c b/src/m_menu.c index cbda2fed1..0d11b30e8 100644 --- a/src/m_menu.c +++ b/src/m_menu.c @@ -20,7 +20,7 @@ #include "doomdef.h" #include "d_main.h" -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" #include "console.h" #include "r_fps.h" #include "r_local.h" @@ -53,8 +53,10 @@ #include "hardware/hw_main.h" #endif -#include "d_net.h" -#include "mserv.h" +#include "netcode/d_net.h" +#include "netcode/mserv.h" +#include "netcode/server_connection.h" +#include "netcode/client_connection.h" #include "m_misc.h" #include "m_anigif.h" #include "byteptr.h" @@ -149,9 +151,7 @@ levellist_mode_t levellistmode = LLM_CREATESERVER; UINT8 maplistoption = 0; static char joystickInfo[MAX_JOYSTICKS+1][29]; -#ifndef NONET static UINT32 serverlistpage; -#endif static UINT8 numsaves = 0; static saveinfo_t* savegameinfo = NULL; // Extra info about the save games. @@ -190,10 +190,8 @@ static void M_GoBack(INT32 choice); static void M_StopMessage(INT32 choice); static boolean stopstopmessage = false; -#ifndef NONET static void M_HandleServerPage(INT32 choice); static void M_RoomMenu(INT32 choice); -#endif // Prototyping is fun, innit? // ========================================================================== @@ -296,7 +294,6 @@ static void M_SetupMultiPlayer2(INT32 choice); static void M_StartSplitServerMenu(INT32 choice); static void M_StartServer(INT32 choice); static void M_ServerOptions(INT32 choice); -#ifndef NONET static void M_StartServerMenu(INT32 choice); static void M_ConnectMenu(INT32 choice); static void M_ConnectMenuModChecks(INT32 choice); @@ -304,7 +301,6 @@ static void M_Refresh(INT32 choice); static void M_Connect(INT32 choice); static void M_ChooseRoom(INT32 choice); menu_t MP_MainDef; -#endif // Options // Split into multiple parts due to size @@ -382,11 +378,9 @@ static void M_DrawVideoMode(void); static void M_DrawColorMenu(void); static void M_DrawScreenshotMenu(void); static void M_DrawMonitorToggles(void); -#ifndef NONET static void M_DrawConnectMenu(void); static void M_DrawMPMainMenu(void); static void M_DrawRoomMenu(void); -#endif static void M_DrawJoystick(void); static void M_DrawSetupMultiPlayerMenu(void); static void M_DrawColorRamp(INT32 x, INT32 y, INT32 w, INT32 h, skincolor_t color); @@ -401,10 +395,8 @@ static void M_HandleImageDef(INT32 choice); static void M_HandleLoadSave(INT32 choice); static void M_HandleLevelStats(INT32 choice); static void M_HandlePlaystyleMenu(INT32 choice); -#ifndef NONET static boolean M_CancelConnect(void); static void M_HandleConnectIP(INT32 choice); -#endif static void M_HandleSetupMultiPlayer(INT32 choice); static void M_HandleVideoMode(INT32 choice); @@ -503,11 +495,7 @@ consvar_t cv_dummyloadless = CVAR_INIT ("dummyloadless", "In-game", CV_HIDEN, lo static menuitem_t MainMenu[] = { {IT_STRING|IT_CALL, NULL, "1 Player", M_SinglePlayerMenu, 76}, -#ifndef NONET {IT_STRING|IT_SUBMENU, NULL, "Multiplayer", &MP_MainDef, 84}, -#else - {IT_STRING|IT_CALL, NULL, "Multiplayer", M_StartSplitServerMenu, 84}, -#endif {IT_STRING|IT_CALL, NULL, "Extras", M_SecretsMenu, 92}, {IT_CALL |IT_STRING, NULL, "Addons", M_Addons, 100}, {IT_STRING|IT_CALL, NULL, "Options", M_Options, 108}, @@ -930,16 +918,10 @@ static menuitem_t SP_PlayerMenu[] = static menuitem_t MP_SplitServerMenu[] = { {IT_STRING|IT_CALL, NULL, "Select Gametype/Level...", M_MapChange, 100}, -#ifdef NONET // In order to keep player setup accessible. - {IT_STRING|IT_CALL, NULL, "Player 1 setup...", M_SetupMultiPlayer, 110}, - {IT_STRING|IT_CALL, NULL, "Player 2 setup...", M_SetupMultiPlayer2, 120}, -#endif {IT_STRING|IT_CALL, NULL, "More Options...", M_ServerOptions, 130}, {IT_WHITESTRING|IT_CALL, NULL, "Start", M_StartServer, 140}, }; -#ifndef NONET - static menuitem_t MP_MainMenu[] = { {IT_HEADER, NULL, "Join a game", NULL, 0}, @@ -1026,8 +1008,6 @@ menuitem_t MP_RoomMenu[] = {IT_DISABLED, NULL, "", M_ChooseRoom, 162}, }; -#endif - static menuitem_t MP_PlayerSetupMenu[] = { {IT_KEYHANDLER, NULL, "", M_HandleSetupMultiPlayer, 0}, // name @@ -1586,14 +1566,12 @@ enum static menuitem_t OP_ServerOptionsMenu[] = { {IT_HEADER, NULL, "General", NULL, 0}, -#ifndef NONET {IT_STRING | IT_CVAR | IT_CV_STRING, NULL, "Server name", &cv_servername, 7}, {IT_STRING | IT_CVAR, NULL, "Max Players", &cv_maxplayers, 21}, {IT_STRING | IT_CVAR, NULL, "Allow Add-on Downloading", &cv_downloading, 26}, {IT_STRING | IT_CVAR, NULL, "Allow players to join", &cv_allownewplayer, 31}, {IT_STRING | IT_CVAR, NULL, "Minutes for reconnecting", &cv_rejointimeout, 36}, -#endif {IT_STRING | IT_CVAR, NULL, "Map progression", &cv_advancemap, 41}, {IT_STRING | IT_CVAR, NULL, "Intermission Timer", &cv_inttime, 46}, @@ -1632,7 +1610,6 @@ static menuitem_t OP_ServerOptionsMenu[] = {IT_STRING | IT_CVAR, NULL, "Autobalance sizes", &cv_autobalance, 216}, {IT_STRING | IT_CVAR, NULL, "Scramble on Map Change", &cv_scrambleonchange, 221}, -#ifndef NONET {IT_HEADER, NULL, "Advanced", NULL, 230}, {IT_STRING | IT_CVAR | IT_CV_STRING, NULL, "Master server", &cv_masterserver, 236}, @@ -1640,7 +1617,6 @@ static menuitem_t OP_ServerOptionsMenu[] = {IT_STRING | IT_CVAR, NULL, "Attempts to resynchronise", &cv_resynchattempts, 256}, {IT_STRING | IT_CVAR, NULL, "Show IP Address of Joiners", &cv_showjoinaddress, 261}, -#endif }; static menuitem_t OP_MonitorToggleMenu[] = @@ -1954,11 +1930,7 @@ menu_t MP_SplitServerDef = MTREE2(MN_MP_MAIN, MN_MP_SPLITSCREEN), "M_MULTI", sizeof (MP_SplitServerMenu)/sizeof (menuitem_t), -#ifndef NONET &MP_MainDef, -#else - &MainDef, -#endif MP_SplitServerMenu, M_DrawServerMenu, 27, 30 - 50, @@ -1966,8 +1938,6 @@ menu_t MP_SplitServerDef = NULL }; -#ifndef NONET - menu_t MP_MainDef = { MN_MP_MAIN, @@ -2019,15 +1989,10 @@ menu_t MP_RoomDef = 0, NULL }; -#endif menu_t MP_PlayerSetupDef = { -#ifdef NONET - MTREE2(MN_MP_MAIN, MN_MP_PLAYERSETUP), -#else MTREE3(MN_MP_MAIN, MN_MP_SPLITSCREEN, MN_MP_PLAYERSETUP), -#endif "M_SPLAYR", sizeof (MP_PlayerSetupMenu)/sizeof (menuitem_t), &MainDef, // doesn't matter @@ -3956,9 +3921,7 @@ void M_Init(void) OP_JoystickSetMenu[i].itemaction = M_AssignJoystick; } -#ifndef NONET CV_RegisterVar(&cv_serversort); -#endif } void M_InitCharacterTables(void) @@ -11108,7 +11071,6 @@ static void M_EndGame(INT32 choice) #define S_LINEY(n) currentMenu->y + SERVERHEADERHEIGHT + (n * SERVERLINEHEIGHT) -#ifndef NONET static UINT32 localservercount; static void M_HandleServerPage(INT32 choice) @@ -11380,11 +11342,9 @@ static int ServerListEntryComparator_modified(const void *entry1, const void *en // Default to strcmp. return strcmp(sa->info.servername, sb->info.servername); } -#endif void M_SortServerList(void) { -#ifndef NONET switch(cv_serversort.value) { case 0: // Ping. @@ -11406,10 +11366,8 @@ void M_SortServerList(void) qsort(serverlist, serverlistcount, sizeof(serverelem_t), ServerListEntryComparator_gametypename); break; } -#endif } -#ifndef NONET #ifdef UPDATE_ALERT static boolean M_CheckMODVersion(int id) { @@ -11608,7 +11566,6 @@ static void M_ChooseRoom(INT32 choice) if (currentMenu == &MP_ConnectDef) M_Refresh(0); } -#endif //NONET //=========================================================================== // Start Server Menu @@ -11656,7 +11613,6 @@ static void M_DrawServerMenu(void) { M_DrawGenericMenu(); -#ifndef NONET // Room name if (currentMenu == &MP_ServerDef) { @@ -11668,15 +11624,10 @@ static void M_DrawServerMenu(void) V_DrawRightAlignedString(BASEVIDWIDTH - currentMenu->x, currentMenu->y + MP_ServerMenu[mp_server_room].alphaKey, V_YELLOWMAP, room_list[menuRoomIndex].name); } -#endif if (cv_nextmap.value) { -#ifndef NONET #define imgheight MP_ServerMenu[mp_server_levelgt].alphaKey -#else -#define imgheight 100 -#endif patch_t *PictureOfLevel; lumpnum_t lumpnum; char headerstr[40]; @@ -11728,7 +11679,6 @@ static void M_ServerOptions(INT32 choice) { (void)choice; -#ifndef NONET if ((splitscreen && !netgame) || currentMenu == &MP_SplitServerDef) { OP_ServerOptionsMenu[ 1].status = IT_GRAYEDOUT; // Server name @@ -11749,7 +11699,6 @@ static void M_ServerOptions(INT32 choice) OP_ServerOptionsMenu[37].status = IT_STRING | IT_CVAR; OP_ServerOptionsMenu[38].status = IT_STRING | IT_CVAR; } -#endif /* Disable fading because of different menu head. */ if (currentMenu == &OP_MainDef)/* from Options menu */ @@ -11761,7 +11710,6 @@ static void M_ServerOptions(INT32 choice) M_SetupNextMenu(&OP_ServerOptionsDef); } -#ifndef NONET static void M_StartServerMenu(INT32 choice) { (void)choice; @@ -12028,7 +11976,6 @@ static void M_HandleConnectIP(INT32 choice) M_ClearMenus(true); } } -#endif //!NONET // ======================== // MULTIPLAYER PLAYER SETUP @@ -12705,7 +12652,7 @@ static void M_SetupMultiPlayer2(INT32 choice) multi_frame = 0; multi_tics = 4*FRACUNIT; - + strcpy (setupm_name, cv_playername2.string); // set for splitscreen secondary player diff --git a/src/m_menu.h b/src/m_menu.h index c925c7f49..b8fe3b808 100644 --- a/src/m_menu.h +++ b/src/m_menu.h @@ -20,7 +20,7 @@ #include "command.h" #include "f_finale.h" // for ttmode_enum #include "i_threads.h" -#include "mserv.h" +#include "netcode/mserv.h" #include "r_things.h" // for SKINNAMESIZE // Compatibility with old-style named NiGHTS replay files. @@ -74,7 +74,7 @@ typedef enum MN_MP_SERVER, MN_MP_CONNECT, MN_MP_ROOM, - MN_MP_PLAYERSETUP, // MP_PlayerSetupDef shared with SPLITSCREEN if #defined NONET + MN_MP_PLAYERSETUP, MN_MP_SERVER_OPTIONS, // Options diff --git a/src/m_perfstats.c b/src/m_perfstats.c index 17e026b3e..151185932 100644 --- a/src/m_perfstats.c +++ b/src/m_perfstats.c @@ -12,7 +12,7 @@ #include "m_perfstats.h" #include "v_video.h" #include "i_video.h" -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" #include "r_main.h" #include "i_system.h" #include "z_zone.h" diff --git a/src/netcode/Sourcefile b/src/netcode/Sourcefile new file mode 100644 index 000000000..7c0354714 --- /dev/null +++ b/src/netcode/Sourcefile @@ -0,0 +1,13 @@ +d_clisrv.c +server_connection.c +client_connection.c +tic_command.c +net_command.c +gamestate.c +commands.c +d_net.c +d_netcmd.c +d_netfil.c +http-mserv.c +i_tcp.c +mserv.c diff --git a/src/netcode/client_connection.c b/src/netcode/client_connection.c new file mode 100644 index 000000000..a81ac7e97 --- /dev/null +++ b/src/netcode/client_connection.c @@ -0,0 +1,1178 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file client_connection.h +/// \brief Client connection handling + +#include "client_connection.h" +#include "gamestate.h" +#include "d_clisrv.h" +#include "d_netfil.h" +#include "../d_main.h" +#include "../f_finale.h" +#include "../g_game.h" +#include "../g_input.h" +#include "i_net.h" +#include "../i_system.h" +#include "../i_time.h" +#include "../i_video.h" +#include "../keys.h" +#include "../m_menu.h" +#include "../m_misc.h" +#include "../snake.h" +#include "../s_sound.h" +#include "../v_video.h" +#include "../y_inter.h" +#include "../z_zone.h" +#include "../doomtype.h" +#include "../doomstat.h" +#if defined (__GNUC__) || defined (__unix__) +#include +#endif + +cl_mode_t cl_mode = CL_SEARCHING; +static UINT16 cl_lastcheckedfilecount = 0; // used for full file list +boolean serverisfull = false; // lets us be aware if the server was full after we check files, but before downloading, so we can ask if the user still wants to download or not +tic_t firstconnectattempttime = 0; +UINT8 mynode; +static void *snake = NULL; + +static void CL_DrawConnectionStatusBox(void) +{ + M_DrawTextBox(BASEVIDWIDTH/2-128-8, BASEVIDHEIGHT-16-8, 32, 1); + if (cl_mode != CL_CONFIRMCONNECT) + V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-16, V_YELLOWMAP, "Press ESC to abort"); +} + +// +// CL_DrawConnectionStatus +// +// Keep the local client informed of our status. +// +static inline void CL_DrawConnectionStatus(void) +{ + INT32 ccstime = I_GetTime(); + + // Draw background fade + V_DrawFadeScreen(0xFF00, 16); // force default + + if (cl_mode != CL_DOWNLOADFILES && cl_mode != CL_LOADFILES) + { + INT32 animtime = ((ccstime / 4) & 15) + 16; + UINT8 palstart; + const char *cltext; + + // Draw the bottom box. + CL_DrawConnectionStatusBox(); + + if (cl_mode == CL_SEARCHING) + palstart = 32; // Red + else if (cl_mode == CL_CONFIRMCONNECT) + palstart = 48; // Orange + else + palstart = 96; // Green + + if (!(cl_mode == CL_DOWNLOADSAVEGAME && lastfilenum != -1)) + for (INT32 i = 0; i < 16; ++i) // 15 pal entries total. + V_DrawFill((BASEVIDWIDTH/2-128) + (i * 16), BASEVIDHEIGHT-16, 16, 8, palstart + ((animtime - i) & 15)); + + switch (cl_mode) + { + case CL_DOWNLOADSAVEGAME: + if (fileneeded && lastfilenum != -1) + { + UINT32 currentsize = fileneeded[lastfilenum].currentsize; + UINT32 totalsize = fileneeded[lastfilenum].totalsize; + INT32 dldlength; + + cltext = M_GetText("Downloading game state..."); + Net_GetNetStat(); + + dldlength = (INT32)((currentsize/(double)totalsize) * 256); + if (dldlength > 256) + dldlength = 256; + V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, 256, 8, 111); + V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, dldlength, 8, 96); + + V_DrawString(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, + va(" %4uK/%4uK",currentsize>>10,totalsize>>10)); + + V_DrawRightAlignedString(BASEVIDWIDTH/2+128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, + va("%3.1fK/s ", ((double)getbps)/1024)); + } + else + cltext = M_GetText("Waiting to download game state..."); + break; + case CL_ASKFULLFILELIST: + case CL_CHECKFILES: + cltext = M_GetText("Checking server addon list..."); + break; + case CL_CONFIRMCONNECT: + cltext = ""; + break; + case CL_LOADFILES: + cltext = M_GetText("Loading server addons..."); + break; + case CL_ASKJOIN: + case CL_WAITJOINRESPONSE: + if (serverisfull) + cltext = M_GetText("Server full, waiting for a slot..."); + else + cltext = M_GetText("Requesting to join..."); + break; + default: + cltext = M_GetText("Connecting to server..."); + break; + } + V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, cltext); + } + else + { + if (cl_mode == CL_LOADFILES) + { + INT32 totalfileslength; + INT32 loadcompletednum = 0; + + V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-16, V_YELLOWMAP, "Press ESC to abort"); + + // ima just count files here + if (fileneeded) + { + for (INT32 i = 0; i < fileneedednum; i++) + if (fileneeded[i].status == FS_OPEN) + loadcompletednum++; + } + + // Loading progress + V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, "Loading server addons..."); + totalfileslength = (INT32)((loadcompletednum/(double)(fileneedednum)) * 256); + M_DrawTextBox(BASEVIDWIDTH/2-128-8, BASEVIDHEIGHT-16-8, 32, 1); + V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, 256, 8, 111); + V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, totalfileslength, 8, 96); + V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, + va(" %2u/%2u Files",loadcompletednum,fileneedednum)); + } + else if (lastfilenum != -1) + { + INT32 dldlength; + static char tempname[28]; + fileneeded_t *file; + char *filename; + + if (snake) + Snake_Draw(snake); + + // Draw the bottom box. + CL_DrawConnectionStatusBox(); + + if (fileneeded) + { + file = &fileneeded[lastfilenum]; + filename = file->filename; + } + else + return; + + Net_GetNetStat(); + dldlength = (INT32)((file->currentsize/(double)file->totalsize) * 256); + if (dldlength > 256) + dldlength = 256; + V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, 256, 8, 111); + V_DrawFill(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, dldlength, 8, 96); + + memset(tempname, 0, sizeof(tempname)); + // offset filename to just the name only part + filename += strlen(filename) - nameonlylength(filename); + + if (strlen(filename) > sizeof(tempname)-1) // too long to display fully + { + size_t endhalfpos = strlen(filename)-10; + // display as first 14 chars + ... + last 10 chars + // which should add up to 27 if our math(s) is correct + snprintf(tempname, sizeof(tempname), "%.14s...%.10s", filename, filename+endhalfpos); + } + else // we can copy the whole thing in safely + { + strncpy(tempname, filename, sizeof(tempname)-1); + } + + V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, + va(M_GetText("Downloading \"%s\""), tempname)); + V_DrawString(BASEVIDWIDTH/2-128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, + va(" %4uK/%4uK",fileneeded[lastfilenum].currentsize>>10,file->totalsize>>10)); + V_DrawRightAlignedString(BASEVIDWIDTH/2+128, BASEVIDHEIGHT-16, V_20TRANS|V_MONOSPACE, + va("%3.1fK/s ", ((double)getbps)/1024)); + } + else + { + if (snake) + Snake_Draw(snake); + + CL_DrawConnectionStatusBox(); + V_DrawCenteredString(BASEVIDWIDTH/2, BASEVIDHEIGHT-16-24, V_YELLOWMAP, + M_GetText("Waiting to download files...")); + } + } +} + +static boolean CL_AskFileList(INT32 firstfile) +{ + netbuffer->packettype = PT_TELLFILESNEEDED; + netbuffer->u.filesneedednum = firstfile; + + return HSendPacket(servernode, false, 0, sizeof (INT32)); +} + +/** Sends a PT_CLIENTJOIN packet to the server + * + * \return True if the packet was successfully sent + * + */ +boolean CL_SendJoin(void) +{ + UINT8 localplayers = 1; + char const *player2name; + if (netgame) + CONS_Printf(M_GetText("Sending join request...\n")); + netbuffer->packettype = PT_CLIENTJOIN; + + netbuffer->u.clientcfg.modversion = MODVERSION; + strncpy(netbuffer->u.clientcfg.application, + SRB2APPLICATION, + sizeof netbuffer->u.clientcfg.application); + + if (splitscreen || botingame) + localplayers++; + netbuffer->u.clientcfg.localplayers = localplayers; + + CleanupPlayerName(consoleplayer, cv_playername.zstring); + if (splitscreen) + CleanupPlayerName(1, cv_playername2.zstring); // 1 is a HACK? oh no + + // Avoid empty string on bots to avoid softlocking in singleplayer + if (botingame) + player2name = strcmp(cv_playername.zstring, "Tails") == 0 ? "Tail" : "Tails"; + else + player2name = cv_playername2.zstring; + + strncpy(netbuffer->u.clientcfg.names[0], cv_playername.zstring, MAXPLAYERNAME); + strncpy(netbuffer->u.clientcfg.names[1], player2name, MAXPLAYERNAME); + + return HSendPacket(servernode, true, 0, sizeof (clientconfig_pak)); +} + +static void SendAskInfo(INT32 node) +{ + const tic_t asktime = I_GetTime(); + netbuffer->packettype = PT_ASKINFO; + netbuffer->u.askinfo.version = VERSION; + netbuffer->u.askinfo.time = (tic_t)LONG(asktime); + + // Even if this never arrives due to the host being firewalled, we've + // now allowed traffic from the host to us in, so once the MS relays + // our address to the host, it'll be able to speak to us. + HSendPacket(node, false, 0, sizeof (askinfo_pak)); +} + +serverelem_t serverlist[MAXSERVERLIST]; +UINT32 serverlistcount = 0; + +#define FORCECLOSE 0x8000 + +static void SL_ClearServerList(INT32 connectedserver) +{ + for (UINT32 i = 0; i < serverlistcount; i++) + if (connectedserver != serverlist[i].node) + { + Net_CloseConnection(serverlist[i].node|FORCECLOSE); + serverlist[i].node = 0; + } + serverlistcount = 0; +} + +static UINT32 SL_SearchServer(INT32 node) +{ + for (UINT32 i = 0; i < serverlistcount; i++) + if (serverlist[i].node == node) + return i; + + return UINT32_MAX; +} + +static void SL_InsertServer(serverinfo_pak* info, SINT8 node) +{ + UINT32 i; + + // search if not already on it + i = SL_SearchServer(node); + if (i == UINT32_MAX) + { + // not found add it + if (serverlistcount >= MAXSERVERLIST) + return; // list full + + // check it later if connecting to this one + if (node != servernode) + { + if (info->_255 != 255) + return; // Old packet format + + if (info->packetversion != PACKETVERSION) + return; // Old new packet format + + if (info->version != VERSION) + return; // Not same version. + + if (info->subversion != SUBVERSION) + return; // Close, but no cigar. + + if (strcmp(info->application, SRB2APPLICATION)) + return; // That's a different mod + } + + i = serverlistcount++; + } + + serverlist[i].info = *info; + serverlist[i].node = node; + + // resort server list + M_SortServerList(); +} + +#if defined (MASTERSERVER) && defined (HAVE_THREADS) +struct Fetch_servers_ctx +{ + int room; + int id; +}; + +static void +Fetch_servers_thread (struct Fetch_servers_ctx *ctx) +{ + msg_server_t *server_list; + + server_list = GetShortServersList(ctx->room, ctx->id); + + if (server_list) + { + I_lock_mutex(&ms_QueryId_mutex); + { + if (ctx->id != ms_QueryId) + { + free(server_list); + server_list = NULL; + } + } + I_unlock_mutex(ms_QueryId_mutex); + + if (server_list) + { + I_lock_mutex(&m_menu_mutex); + { + if (m_waiting_mode == M_WAITING_SERVERS) + m_waiting_mode = M_NOT_WAITING; + } + I_unlock_mutex(m_menu_mutex); + + I_lock_mutex(&ms_ServerList_mutex); + { + ms_ServerList = server_list; + } + I_unlock_mutex(ms_ServerList_mutex); + } + } + + free(ctx); +} +#endif // defined (MASTERSERVER) && defined (HAVE_THREADS) + +void CL_QueryServerList (msg_server_t *server_list) +{ + for (INT32 i = 0; server_list[i].header.buffer[0]; i++) + { + // Make sure MS version matches our own, to + // thwart nefarious servers who lie to the MS. + + // lol bruh, that version COMES from the servers + //if (strcmp(version, server_list[i].version) == 0) + { + INT32 node = I_NetMakeNodewPort(server_list[i].ip, server_list[i].port); + if (node == -1) + break; // no more node free + SendAskInfo(node); + // Force close the connection so that servers can't eat + // up nodes forever if we never get a reply back from them + // (usually when they've not forwarded their ports). + // + // Don't worry, we'll get in contact with the working + // servers again when they send SERVERINFO to us later! + // + // (Note: as a side effect this probably means every + // server in the list will probably be using the same node (e.g. node 1), + // not that it matters which nodes they use when + // the connections are closed afterwards anyway) + // -- Monster Iestyn 12/11/18 + Net_CloseConnection(node|FORCECLOSE); + } + } +} + +void CL_UpdateServerList(boolean internetsearch, INT32 room) +{ + (void)internetsearch; + (void)room; + + SL_ClearServerList(0); + + if (!netgame && I_NetOpenSocket) + { + if (I_NetOpenSocket()) + { + netgame = true; + multiplayer = true; + } + } + + // search for local servers + if (netgame) + SendAskInfo(BROADCASTADDR); + +#ifdef MASTERSERVER + if (internetsearch) + { +#ifdef HAVE_THREADS + struct Fetch_servers_ctx *ctx; + + ctx = malloc(sizeof *ctx); + + // This called from M_Refresh so I don't use a mutex + m_waiting_mode = M_WAITING_SERVERS; + + I_lock_mutex(&ms_QueryId_mutex); + { + ctx->id = ms_QueryId; + } + I_unlock_mutex(ms_QueryId_mutex); + + ctx->room = room; + + I_spawn_thread("fetch-servers", (I_thread_fn)Fetch_servers_thread, ctx); +#else + msg_server_t *server_list; + + server_list = GetShortServersList(room, 0); + + if (server_list) + { + CL_QueryServerList(server_list); + free(server_list); + } +#endif + } +#endif // MASTERSERVER +} + +static void M_ConfirmConnect(event_t *ev) +{ + if (ev->type == ev_keydown) + { + if (ev->key == ' ' || ev->key == 'y' || ev->key == KEY_ENTER || ev->key == KEY_JOY1) + { + if (totalfilesrequestednum > 0) + { + if (CL_SendFileRequest()) + { + cl_mode = CL_DOWNLOADFILES; + Snake_Allocate(&snake); + } + } + else + cl_mode = CL_LOADFILES; + + M_ClearMenus(true); + } + else if (ev->key == 'n' || ev->key == KEY_ESCAPE || ev->key == KEY_JOY1 + 3) + { + cl_mode = CL_ABORTED; + M_ClearMenus(true); + } + } +} + +static boolean CL_FinishedFileList(void) +{ + INT32 i; + char *downloadsize = NULL; + + //CONS_Printf(M_GetText("Checking files...\n")); + i = CL_CheckFiles(); + if (i == 4) // still checking ... + { + return true; + } + else if (i == 3) // too many files + { + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + M_StartMessage(M_GetText( + "You have too many WAD files loaded\n" + "to add ones the server is using.\n" + "Please restart SRB2 before connecting.\n\n" + "Press ESC\n" + ), NULL, MM_NOTHING); + return false; + } + else if (i == 2) // cannot join for some reason + { + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + M_StartMessage(M_GetText( + "You have the wrong addons loaded.\n\n" + "To play on this server, restart\n" + "the game and don't load any addons.\n" + "SRB2 will automatically add\n" + "everything you need when you join.\n\n" + "Press ESC\n" + ), NULL, MM_NOTHING); + return false; + } + else if (i == 1) + { + if (serverisfull) + { + M_StartMessage(M_GetText( + "This server is full!\n" + "\n" + "You may load server addons (if any), and wait for a slot.\n" + "\n" + "Press ENTER to continue\nor ESC to cancel.\n\n" + ), M_ConfirmConnect, MM_EVENTHANDLER); + cl_mode = CL_CONFIRMCONNECT; + curfadevalue = 0; + } + else + cl_mode = CL_LOADFILES; + } + else + { + // must download something + // can we, though? + if (!CL_CheckDownloadable()) // nope! + { + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + M_StartMessage(M_GetText( + "An error occured when trying to\n" + "download missing addons.\n" + "(This is almost always a problem\n" + "with the server, not your game.)\n\n" + "See the console or log file\n" + "for additional details.\n\n" + "Press ESC\n" + ), NULL, MM_NOTHING); + return false; + } + + downloadcompletednum = 0; + downloadcompletedsize = 0; + totalfilesrequestednum = 0; + totalfilesrequestedsize = 0; + + if (fileneeded == NULL) + I_Error("CL_FinishedFileList: fileneeded == NULL"); + + for (i = 0; i < fileneedednum; i++) + if (fileneeded[i].status == FS_NOTFOUND || fileneeded[i].status == FS_MD5SUMBAD) + { + totalfilesrequestednum++; + totalfilesrequestedsize += fileneeded[i].totalsize; + } + + if (totalfilesrequestedsize>>20 >= 100) + downloadsize = Z_StrDup(va("%uM",totalfilesrequestedsize>>20)); + else + downloadsize = Z_StrDup(va("%uK",totalfilesrequestedsize>>10)); + + if (serverisfull) + M_StartMessage(va(M_GetText( + "This server is full!\n" + "Download of %s additional content\nis required to join.\n" + "\n" + "You may download, load server addons,\nand wait for a slot.\n" + "\n" + "Press ENTER to continue\nor ESC to cancel.\n" + ), downloadsize), M_ConfirmConnect, MM_EVENTHANDLER); + else + M_StartMessage(va(M_GetText( + "Download of %s additional content\nis required to join.\n" + "\n" + "Press ENTER to continue\nor ESC to cancel.\n" + ), downloadsize), M_ConfirmConnect, MM_EVENTHANDLER); + + Z_Free(downloadsize); + cl_mode = CL_CONFIRMCONNECT; + curfadevalue = 0; + } + return true; +} + +static const char * InvalidServerReason (serverinfo_pak *info) +{ +#define EOT "\nPress ESC\n" + + // Magic number for new packet format + if (info->_255 != 255) + { + return + "Outdated server (version unknown).\n" EOT; + } + + if (strncmp(info->application, SRB2APPLICATION, sizeof + info->application)) + { + return va( + "%s cannot connect\n" + "to %s servers.\n" EOT, + SRB2APPLICATION, + info->application); + } + + if ( + info->packetversion != PACKETVERSION || + info->version != VERSION || + info->subversion != SUBVERSION + ){ + return va( + "Incompatible %s versions.\n" + "(server version %d.%d.%d)\n" EOT, + SRB2APPLICATION, + info->version / 100, + info->version % 100, + info->subversion); + } + + switch (info->refusereason) + { + case REFUSE_BANNED: + return + "You have been banned\n" + "from the server.\n" EOT; + case REFUSE_JOINS_DISABLED: + return + "The server is not accepting\n" + "joins for the moment.\n" EOT; + case REFUSE_SLOTS_FULL: + return va( + "Maximum players reached: %d\n" EOT, + info->maxplayer - D_NumBots()); + default: + if (info->refusereason) + { + return + "You can't join.\n" + "I don't know why,\n" + "but you can't join.\n" EOT; + } + } + + return NULL; + +#undef EOT +} + +/** Called by CL_ServerConnectionTicker + * + * \param asksent The last time we asked the server to join. We re-ask every second in case our request got lost in transmit. + * \return False if the connection was aborted + * \sa CL_ServerConnectionTicker + * \sa CL_ConnectToServer + * + */ +static boolean CL_ServerConnectionSearchTicker(tic_t *asksent) +{ + INT32 i; + + // serverlist is updated by GetPackets + if (serverlistcount > 0) + { + // This can be a response to our broadcast request + if (servernode == -1 || servernode >= MAXNETNODES) + { + i = 0; + servernode = serverlist[i].node; + CONS_Printf(M_GetText("Found, ")); + } + else + { + i = SL_SearchServer(servernode); + if (i < 0) + return true; + } + + if (client) + { + serverinfo_pak *info = &serverlist[i].info; + + if (info->refusereason == REFUSE_SLOTS_FULL) + serverisfull = true; + else + { + const char *reason = InvalidServerReason(info); + + // Quit here rather than downloading files + // and being refused later. + if (reason) + { + char *message = Z_StrDup(reason); + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + M_StartMessage(message, NULL, MM_NOTHING); + Z_Free(message); + return false; + } + } + + D_ParseFileneeded(info->fileneedednum, info->fileneeded, 0); + + if (info->flags & SV_LOTSOFADDONS) + { + cl_mode = CL_ASKFULLFILELIST; + cl_lastcheckedfilecount = 0; + return true; + } + + cl_mode = CL_CHECKFILES; + } + else + { + cl_mode = CL_ASKJOIN; // files need not be checked for the server. + *asksent = 0; + } + + return true; + } + + // Ask the info to the server (askinfo packet) + if (*asksent + NEWTICRATE < I_GetTime()) + { + SendAskInfo(servernode); + *asksent = I_GetTime(); + } + + return true; +} + +/** Called by CL_ConnectToServer + * + * \param tmpsave The name of the gamestate file??? + * \param oldtic Used for knowing when to poll events and redraw + * \param asksent ??? + * \return False if the connection was aborted + * \sa CL_ServerConnectionSearchTicker + * \sa CL_ConnectToServer + * + */ +static boolean CL_ServerConnectionTicker(const char *tmpsave, tic_t *oldtic, tic_t *asksent) +{ + boolean waitmore; + + switch (cl_mode) + { + case CL_SEARCHING: + if (!CL_ServerConnectionSearchTicker(asksent)) + return false; + break; + + case CL_ASKFULLFILELIST: + if (cl_lastcheckedfilecount == UINT16_MAX) // All files retrieved + cl_mode = CL_CHECKFILES; + else if (fileneedednum != cl_lastcheckedfilecount || I_GetTime() >= *asksent) + { + if (CL_AskFileList(fileneedednum)) + { + cl_lastcheckedfilecount = fileneedednum; + *asksent = I_GetTime() + NEWTICRATE; + } + } + break; + case CL_CHECKFILES: + if (!CL_FinishedFileList()) + return false; + break; + case CL_DOWNLOADFILES: + waitmore = false; + for (INT32 i = 0; i < fileneedednum; i++) + if (fileneeded[i].status == FS_DOWNLOADING + || fileneeded[i].status == FS_REQUESTED) + { + waitmore = true; + break; + } + if (waitmore) + break; // exit the case + + Snake_Free(&snake); + + cl_mode = CL_LOADFILES; + break; + case CL_LOADFILES: + if (CL_LoadServerFiles()) + { + FreeFileNeeded(); + *asksent = 0; // This ensures the first join request is right away + firstconnectattempttime = I_GetTime(); + cl_mode = CL_ASKJOIN; + } + break; + case CL_ASKJOIN: + if (firstconnectattempttime + NEWTICRATE*300 < I_GetTime() && !server) + { + CONS_Printf(M_GetText("5 minute wait time exceeded.\n")); + CONS_Printf(M_GetText("Network game synchronization aborted.\n")); + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + M_StartMessage(M_GetText( + "5 minute wait time exceeded.\n" + "You may retry connection.\n" + "\n" + "Press ESC\n" + ), NULL, MM_NOTHING); + return false; + } + + // Prepare structures to save the file + CL_PrepareDownloadSaveGame(tmpsave); + + if (I_GetTime() >= *asksent && CL_SendJoin()) + { + *asksent = I_GetTime() + NEWTICRATE*3; + cl_mode = CL_WAITJOINRESPONSE; + } + break; + case CL_WAITJOINRESPONSE: + if (I_GetTime() >= *asksent) + { + cl_mode = CL_ASKJOIN; + } + break; + case CL_DOWNLOADSAVEGAME: + // At this state, the first (and only) needed file is the gamestate + if (fileneeded[0].status == FS_FOUND) + { + // Gamestate is now handled within CL_LoadReceivedSavegame() + CL_LoadReceivedSavegame(false); + cl_mode = CL_CONNECTED; + } // don't break case continue to CL_CONNECTED + else + break; + + case CL_CONNECTED: + case CL_CONFIRMCONNECT: //logic is handled by M_ConfirmConnect + default: + break; + + // Connection closed by cancel, timeout or refusal. + case CL_ABORTED: + cl_mode = CL_SEARCHING; + return false; + } + + GetPackets(); + Net_AckTicker(); + + // Call it only once by tic + if (*oldtic != I_GetTime()) + { + I_OsPolling(); + + if (cl_mode == CL_CONFIRMCONNECT) + D_ProcessEvents(); //needed for menu system to receive inputs + else + { + // my hand has been forced and I am dearly sorry for this awful hack :vomit: + for (; eventtail != eventhead; eventtail = (eventtail+1) & (MAXEVENTS-1)) + { + if (!Snake_JoyGrabber(snake, &events[eventtail])) + G_MapEventsToControls(&events[eventtail]); + } + } + + if (gamekeydown[KEY_ESCAPE] || gamekeydown[KEY_JOY1+1] || cl_mode == CL_ABORTED) + { + CONS_Printf(M_GetText("Network game synchronization aborted.\n")); + M_StartMessage(M_GetText("Network game synchronization aborted.\n\nPress ESC\n"), NULL, MM_NOTHING); + + Snake_Free(&snake); + + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + memset(gamekeydown, 0, NUMKEYS); + return false; + } + else if (cl_mode == CL_DOWNLOADFILES && snake) + Snake_Update(snake); + + if (client && (cl_mode == CL_DOWNLOADFILES || cl_mode == CL_DOWNLOADSAVEGAME)) + FileReceiveTicker(); + + *oldtic = I_GetTime(); + + if (client && cl_mode != CL_CONNECTED && cl_mode != CL_ABORTED) + { + if (!snake) + { + F_MenuPresTicker(); // title sky + F_TitleScreenTicker(true); + F_TitleScreenDrawer(); + } + CL_DrawConnectionStatus(); +#ifdef HAVE_THREADS + I_lock_mutex(&m_menu_mutex); +#endif + M_Drawer(); //Needed for drawing messageboxes on the connection screen +#ifdef HAVE_THREADS + I_unlock_mutex(m_menu_mutex); +#endif + I_UpdateNoVsync(); // page flip or blit buffer + if (moviemode) + M_SaveFrame(); + S_UpdateSounds(); + S_UpdateClosedCaptions(); + } + } + else + { + I_Sleep(cv_sleep.value); + I_UpdateTime(cv_timescale.value); + } + + return true; +} + +#define TMPSAVENAME "$$$.sav" + +void CL_ConnectToServer(void) +{ + INT32 pnumnodes, nodewaited = doomcom->numnodes, i; + tic_t oldtic; + tic_t asksent; + char tmpsave[256]; + + sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); + + lastfilenum = -1; + + cl_mode = CL_SEARCHING; + + // Don't get a corrupt savegame error because tmpsave already exists + if (FIL_FileExists(tmpsave) && unlink(tmpsave) == -1) + I_Error("Can't delete %s\n", tmpsave); + + if (netgame) + { + if (servernode < 0 || servernode >= MAXNETNODES) + CONS_Printf(M_GetText("Searching for a server...\n")); + else + CONS_Printf(M_GetText("Contacting the server...\n")); + } + + if (gamestate == GS_INTERMISSION) + Y_EndIntermission(); // clean up intermission graphics etc + + DEBFILE(va("waiting %d nodes\n", doomcom->numnodes)); + G_SetGamestate(GS_WAITINGPLAYERS); + wipegamestate = GS_WAITINGPLAYERS; + + ClearAdminPlayers(); + pnumnodes = 1; + oldtic = I_GetTime() - 1; + + asksent = (tic_t) - TICRATE; + firstconnectattempttime = I_GetTime(); + + i = SL_SearchServer(servernode); + + if (i != -1) + { + char *gametypestr = serverlist[i].info.gametypename; + CONS_Printf(M_GetText("Connecting to: %s\n"), serverlist[i].info.servername); + gametypestr[sizeof serverlist[i].info.gametypename - 1] = '\0'; + CONS_Printf(M_GetText("Gametype: %s\n"), gametypestr); + CONS_Printf(M_GetText("Version: %d.%d.%u\n"), serverlist[i].info.version/100, + serverlist[i].info.version%100, serverlist[i].info.subversion); + } + SL_ClearServerList(servernode); + + do + { + // If the connection was aborted for some reason, leave + if (!CL_ServerConnectionTicker(tmpsave, &oldtic, &asksent)) + return; + + if (server) + { + pnumnodes = 0; + for (i = 0; i < MAXNETNODES; i++) + if (netnodes[i].ingame) + pnumnodes++; + } + } + while (!(cl_mode == CL_CONNECTED && (client || (server && nodewaited <= pnumnodes)))); + + if (netgame) + F_StartWaitingPlayers(); + + DEBFILE(va("Synchronisation Finished\n")); + + displayplayer = consoleplayer; +} + +/** Called when a PT_SERVERINFO packet is received + * + * \param node The packet sender + * \note What happens if the packet comes from a client or something like that? + * + */ +void PT_ServerInfo(SINT8 node) +{ + // compute ping in ms + const tic_t ticnow = I_GetTime(); + const tic_t ticthen = (tic_t)LONG(netbuffer->u.serverinfo.time); + const tic_t ticdiff = (ticnow - ticthen)*1000/NEWTICRATE; + netbuffer->u.serverinfo.time = (tic_t)LONG(ticdiff); + netbuffer->u.serverinfo.servername[MAXSERVERNAME-1] = 0; + netbuffer->u.serverinfo.application + [sizeof netbuffer->u.serverinfo.application - 1] = '\0'; + netbuffer->u.serverinfo.gametypename + [sizeof netbuffer->u.serverinfo.gametypename - 1] = '\0'; + + SL_InsertServer(&netbuffer->u.serverinfo, node); +} + +// Helper function for packets that should only be sent by the server +// If it is NOT from the server, bail out and close the connection! +static boolean ServerOnly(SINT8 node) +{ + if (node == servernode) + return false; + + Net_CloseConnection(node); + return true; +} + +void PT_MoreFilesNeeded(SINT8 node) +{ + if (server && serverrunning) + { // But wait I thought I'm the server? + Net_CloseConnection(node); + return; + } + if (ServerOnly(node)) + return; + if (cl_mode == CL_ASKFULLFILELIST && netbuffer->u.filesneededcfg.first == fileneedednum) + { + D_ParseFileneeded(netbuffer->u.filesneededcfg.num, netbuffer->u.filesneededcfg.files, netbuffer->u.filesneededcfg.first); + if (!netbuffer->u.filesneededcfg.more) + cl_lastcheckedfilecount = UINT16_MAX; // Got the whole file list + } +} + +// Negative response of client join request +void PT_ServerRefuse(SINT8 node) +{ + if (server && serverrunning) + { // But wait I thought I'm the server? + Net_CloseConnection(node); + return; + } + if (ServerOnly(node)) + return; + if (cl_mode == CL_WAITJOINRESPONSE) + { + // Save the reason so it can be displayed after quitting the netgame + char *reason = strdup(netbuffer->u.serverrefuse.reason); + if (!reason) + I_Error("Out of memory!\n"); + + if (strstr(reason, "Maximum players reached")) + { + serverisfull = true; + //Special timeout for when refusing due to player cap. The client will wait 3 seconds between join requests when waiting for a slot, so we need this to be much longer + //We set it back to the value of cv_nettimeout.value in CL_Reset + connectiontimeout = NEWTICRATE*7; + cl_mode = CL_ASKJOIN; + free(reason); + return; + } + + M_StartMessage(va(M_GetText("Server refuses connection\n\nReason:\n%s"), + reason), NULL, MM_NOTHING); + + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + + free(reason); + + // Will be reset by caller. Signals refusal. + cl_mode = CL_ABORTED; + } +} + +// Positive response of client join request +void PT_ServerCFG(SINT8 node) +{ + if (server && serverrunning && node != servernode) + { // but wait I thought I'm the server? + Net_CloseConnection(node); + return; + } + if (ServerOnly(node)) + return; + /// \note how would this happen? and is it doing the right thing if it does? + if (cl_mode != CL_WAITJOINRESPONSE) + return; + + if (client) + { + maketic = gametic = neededtic = (tic_t)LONG(netbuffer->u.servercfg.gametic); + G_SetGametype(netbuffer->u.servercfg.gametype); + modifiedgame = netbuffer->u.servercfg.modifiedgame; + if (netbuffer->u.servercfg.usedCheats) + G_SetUsedCheats(true); + memcpy(server_context, netbuffer->u.servercfg.server_context, 8); + } + + netnodes[(UINT8)servernode].ingame = true; + serverplayer = netbuffer->u.servercfg.serverplayer; + doomcom->numslots = SHORT(netbuffer->u.servercfg.totalslotnum); + mynode = netbuffer->u.servercfg.clientnode; + if (serverplayer >= 0) + playernode[(UINT8)serverplayer] = servernode; + + if (netgame) + CONS_Printf(M_GetText("Join accepted, waiting for complete game state...\n")); + DEBFILE(va("Server accept join gametic=%u mynode=%d\n", gametic, mynode)); + + /// \note Wait. What if a Lua script uses some global custom variables synched with the NetVars hook? + /// Shouldn't they be downloaded even at intermission time? + /// Also, according to PT_ClientJoin, the server will send the savegame even during intermission... + if (netbuffer->u.servercfg.gamestate == GS_LEVEL/* || + netbuffer->u.servercfg.gamestate == GS_INTERMISSION*/) + cl_mode = CL_DOWNLOADSAVEGAME; + else + cl_mode = CL_CONNECTED; +} diff --git a/src/netcode/client_connection.h b/src/netcode/client_connection.h new file mode 100644 index 000000000..4d75160d4 --- /dev/null +++ b/src/netcode/client_connection.h @@ -0,0 +1,61 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file client_connection.h +/// \brief Client connection handling + +#ifndef __D_CLIENT_CONNECTION__ +#define __D_CLIENT_CONNECTION__ + +#include "../doomtype.h" +#include "d_clisrv.h" + +#define MAXSERVERLIST (MAXNETNODES-1) + +typedef struct +{ + SINT8 node; + serverinfo_pak info; +} serverelem_t; + +typedef enum +{ + CL_SEARCHING, + CL_CHECKFILES, + CL_DOWNLOADFILES, + CL_ASKJOIN, + CL_LOADFILES, + CL_WAITJOINRESPONSE, + CL_DOWNLOADSAVEGAME, + CL_CONNECTED, + CL_ABORTED, + CL_ASKFULLFILELIST, + CL_CONFIRMCONNECT +} cl_mode_t; + +extern serverelem_t serverlist[MAXSERVERLIST]; +extern UINT32 serverlistcount; + +extern cl_mode_t cl_mode; +extern boolean serverisfull; //lets us be aware if the server was full after we check files, but before downloading, so we can ask if the user still wants to download or not +extern tic_t firstconnectattempttime; +extern UINT8 mynode; // my address pointofview server + +void CL_QueryServerList(msg_server_t *list); +void CL_UpdateServerList(boolean internetsearch, INT32 room); + +void CL_ConnectToServer(void); +boolean CL_SendJoin(void); + +void PT_ServerInfo(SINT8 node); +void PT_MoreFilesNeeded(SINT8 node); +void PT_ServerRefuse(SINT8 node); +void PT_ServerCFG(SINT8 node); + +#endif diff --git a/src/netcode/commands.c b/src/netcode/commands.c new file mode 100644 index 000000000..4228027d2 --- /dev/null +++ b/src/netcode/commands.c @@ -0,0 +1,484 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file commands.c +/// \brief Various netgame commands, such as kick and ban + +#include "commands.h" +#include "d_clisrv.h" +#include "client_connection.h" +#include "net_command.h" +#include "d_netcmd.h" +#include "d_net.h" +#include "i_net.h" +#include "protocol.h" +#include "../byteptr.h" +#include "../d_main.h" +#include "../g_game.h" +#include "../w_wad.h" +#include "../z_zone.h" +#include "../doomstat.h" +#include "../doomdef.h" +#include "../r_local.h" +#include +#include +#include +#include + +typedef struct banreason_s +{ + char *reason; + struct banreason_s *prev; //-1 + struct banreason_s *next; //+1 +} banreason_t; + +static banreason_t *reasontail = NULL; //last entry, use prev +static banreason_t *reasonhead = NULL; //1st entry, use next + +void Ban_Add(const char *reason) +{ + banreason_t *reasonlist = malloc(sizeof(*reasonlist)); + + if (!reasonlist) + return; + if (!reason) + reason = "NA"; + + reasonlist->next = NULL; + reasonlist->reason = Z_StrDup(reason); + if ((reasonlist->prev = reasontail) == NULL) + reasonhead = reasonlist; + else + reasontail->next = reasonlist; + reasontail = reasonlist; +} + +static void Ban_Clear(void) +{ + banreason_t *temp; + + I_ClearBans(); + + reasontail = NULL; + + while (reasonhead) + { + temp = reasonhead->next; + Z_Free(reasonhead->reason); + free(reasonhead); + reasonhead = temp; + } +} + +void Ban_Load_File(boolean warning) +{ + FILE *f; + const char *address, *mask; + char buffer[MAX_WADPATH]; + + if (!I_ClearBans) + return; + + f = fopen(va("%s"PATHSEP"%s", srb2home, "ban.txt"), "r"); + + if (!f) + { + if (warning) + CONS_Alert(CONS_WARNING, M_GetText("Could not open ban.txt for ban list\n")); + return; + } + + Ban_Clear(); + + for (size_t i=0; fgets(buffer, (int)sizeof(buffer), f); i++) + { + address = strtok(buffer, " \t\r\n"); + mask = strtok(NULL, " \t\r\n"); + + I_SetBanAddress(address, mask); + + Ban_Add(strtok(NULL, "\r\n")); + } + + fclose(f); +} + +void D_SaveBan(void) +{ + FILE *f; + banreason_t *reasonlist = reasonhead; + const char *address, *mask; + const char *path = va("%s"PATHSEP"%s", srb2home, "ban.txt"); + + if (!reasonhead) + { + remove(path); + return; + } + + f = fopen(path, "w"); + + if (!f) + { + CONS_Alert(CONS_WARNING, M_GetText("Could not save ban list into ban.txt\n")); + return; + } + + for (size_t i = 0;(address = I_GetBanAddress(i)) != NULL;i++) + { + if (!I_GetBanMask || (mask = I_GetBanMask(i)) == NULL) + fprintf(f, "%s 0", address); + else + fprintf(f, "%s %s", address, mask); + + if (reasonlist && reasonlist->reason) + fprintf(f, " %s\n", reasonlist->reason); + else + fprintf(f, " %s\n", "NA"); + + if (reasonlist) reasonlist = reasonlist->next; + } + + fclose(f); +} + +void Command_ShowBan(void) //Print out ban list +{ + size_t i; + const char *address, *mask; + banreason_t *reasonlist = reasonhead; + + if (I_GetBanAddress) + CONS_Printf(M_GetText("Ban List:\n")); + else + return; + + for (i = 0;(address = I_GetBanAddress(i)) != NULL;i++) + { + if (!I_GetBanMask || (mask = I_GetBanMask(i)) == NULL) + CONS_Printf("%s: %s ", sizeu1(i+1), address); + else + CONS_Printf("%s: %s/%s ", sizeu1(i+1), address, mask); + + if (reasonlist && reasonlist->reason) + CONS_Printf("(%s)\n", reasonlist->reason); + else + CONS_Printf("\n"); + + if (reasonlist) reasonlist = reasonlist->next; + } + + if (i == 0 && !address) + CONS_Printf(M_GetText("(empty)\n")); +} + +void Command_ClearBans(void) +{ + if (!I_ClearBans) + return; + + Ban_Clear(); + D_SaveBan(); +} + +void Command_Ban(void) +{ + if (COM_Argc() < 2) + { + CONS_Printf(M_GetText("Ban : ban and kick a player\n")); + return; + } + + if (!netgame) // Don't kick Tails in splitscreen! + { + CONS_Printf(M_GetText("This only works in a netgame.\n")); + return; + } + + if (server || IsPlayerAdmin(consoleplayer)) + { + UINT8 buf[3 + MAX_REASONLENGTH]; + UINT8 *p = buf; + const SINT8 pn = nametonum(COM_Argv(1)); + const INT32 node = playernode[(INT32)pn]; + + if (pn == -1 || pn == 0) + return; + + WRITEUINT8(p, pn); + + if (server && I_Ban && !I_Ban(node)) // only the server is allowed to do this right now + { + CONS_Alert(CONS_WARNING, M_GetText("Too many bans! Geez, that's a lot of people you're excluding...\n")); + WRITEUINT8(p, KICK_MSG_GO_AWAY); + SendNetXCmd(XD_KICK, &buf, 2); + } + else + { + if (server) // only the server is allowed to do this right now + { + Ban_Add(COM_Argv(2)); + D_SaveBan(); // save the ban list + } + + if (COM_Argc() == 2) + { + WRITEUINT8(p, KICK_MSG_BANNED); + SendNetXCmd(XD_KICK, &buf, 2); + } + else + { + size_t j = COM_Argc(); + char message[MAX_REASONLENGTH]; + + //Steal from the motd code so you don't have to put the reason in quotes. + strlcpy(message, COM_Argv(2), sizeof message); + for (size_t i = 3; i < j; i++) + { + strlcat(message, " ", sizeof message); + strlcat(message, COM_Argv(i), sizeof message); + } + + WRITEUINT8(p, KICK_MSG_CUSTOM_BAN); + WRITESTRINGN(p, message, MAX_REASONLENGTH); + SendNetXCmd(XD_KICK, &buf, p - buf); + } + } + } + else + CONS_Printf(M_GetText("Only the server or a remote admin can use this.\n")); + +} + +void Command_BanIP(void) +{ + if (COM_Argc() < 2) + { + CONS_Printf(M_GetText("banip : ban an ip address\n")); + return; + } + + if (server) // Only the server can use this, otherwise does nothing. + { + const char *address = (COM_Argv(1)); + const char *reason; + + if (COM_Argc() == 2) + reason = NULL; + else + reason = COM_Argv(2); + + + if (I_SetBanAddress && I_SetBanAddress(address, NULL)) + { + if (reason) + CONS_Printf("Banned IP address %s for: %s\n", address, reason); + else + CONS_Printf("Banned IP address %s\n", address); + + Ban_Add(reason); + D_SaveBan(); + } + else + { + return; + } + } +} + +void Command_ReloadBan(void) //recheck ban.txt +{ + Ban_Load_File(true); +} + +void Command_Kick(void) +{ + if (COM_Argc() < 2) + { + CONS_Printf(M_GetText("kick : kick a player\n")); + return; + } + + if (!netgame) // Don't kick Tails in splitscreen! + { + CONS_Printf(M_GetText("This only works in a netgame.\n")); + return; + } + + if (server || IsPlayerAdmin(consoleplayer)) + { + UINT8 buf[3 + MAX_REASONLENGTH]; + UINT8 *p = buf; + const SINT8 pn = nametonum(COM_Argv(1)); + + if (pn == -1 || pn == 0) + return; + + // Special case if we are trying to kick a player who is downloading the game state: + // trigger a timeout instead of kicking them, because a kick would only + // take effect after they have finished downloading + if (server && playernode[pn] != UINT8_MAX && netnodes[playernode[pn]].sendingsavegame) + { + Net_ConnectionTimeout(playernode[pn]); + return; + } + + WRITESINT8(p, pn); + + if (COM_Argc() == 2) + { + WRITEUINT8(p, KICK_MSG_GO_AWAY); + SendNetXCmd(XD_KICK, &buf, 2); + } + else + { + size_t j = COM_Argc(); + char message[MAX_REASONLENGTH]; + + //Steal from the motd code so you don't have to put the reason in quotes. + strlcpy(message, COM_Argv(2), sizeof message); + for (size_t i = 3; i < j; i++) + { + strlcat(message, " ", sizeof message); + strlcat(message, COM_Argv(i), sizeof message); + } + + WRITEUINT8(p, KICK_MSG_CUSTOM_KICK); + WRITESTRINGN(p, message, MAX_REASONLENGTH); + SendNetXCmd(XD_KICK, &buf, p - buf); + } + } + else + CONS_Printf(M_GetText("Only the server or a remote admin can use this.\n")); +} + +void Command_connect(void) +{ + if (COM_Argc() < 2 || *COM_Argv(1) == 0) + { + CONS_Printf(M_GetText( + "Connect (port): connect to a server\n" + "Connect ANY: connect to the first lan server found\n" + //"Connect SELF: connect to your own server.\n" + )); + return; + } + + if (Playing() || titledemo) + { + CONS_Printf(M_GetText("You cannot connect while in a game. End this game first.\n")); + return; + } + + server = false; +/* + if (!stricmp(COM_Argv(1), "self")) + { + servernode = 0; + server = true; + /// \bug should be but... + //SV_SpawnServer(); + } + else +*/ + { + // used in menu to connect to a server in the list + if (netgame && !stricmp(COM_Argv(1), "node")) + { + servernode = (SINT8)atoi(COM_Argv(2)); + } + else if (netgame) + { + CONS_Printf(M_GetText("You cannot connect while in a game. End this game first.\n")); + return; + } + else if (I_NetOpenSocket) + { + I_NetOpenSocket(); + netgame = true; + multiplayer = true; + + if (!stricmp(COM_Argv(1), "any")) + servernode = BROADCASTADDR; + else if (I_NetMakeNodewPort) + { + if (COM_Argc() >= 3) // address AND port + servernode = I_NetMakeNodewPort(COM_Argv(1), COM_Argv(2)); + else // address only, or address:port + servernode = I_NetMakeNode(COM_Argv(1)); + } + else + { + CONS_Alert(CONS_ERROR, M_GetText("There is no server identification with this network driver\n")); + D_CloseConnection(); + return; + } + } + else + CONS_Alert(CONS_ERROR, M_GetText("There is no network driver\n")); + } + + splitscreen = false; + SplitScreen_OnChange(); + botingame = false; + botskin = 0; + CL_ConnectToServer(); +} + +void Command_GetPlayerNum(void) +{ + for (INT32 i = 0; i < MAXPLAYERS; i++) + if (playeringame[i]) + { + if (serverplayer == i) + CONS_Printf(M_GetText("num:%2d node:%2d %s\n"), i, playernode[i], player_names[i]); + else + CONS_Printf(M_GetText("\x82num:%2d node:%2d %s\n"), i, playernode[i], player_names[i]); + } +} + +/** Lists all players and their player numbers. + * + * \sa Command_GetPlayerNum + */ +void Command_Nodes(void) +{ + size_t maxlen = 0; + const char *address; + + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + const size_t plen = strlen(player_names[i]); + if (playeringame[i] && plen > maxlen) + maxlen = plen; + } + + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + if (playeringame[i]) + { + CONS_Printf("%.2u: %*s", i, (int)maxlen, player_names[i]); + + if (playernode[i] != UINT8_MAX) + { + CONS_Printf(" - node %.2d", playernode[i]); + if (I_GetNodeAddress && (address = I_GetNodeAddress(playernode[i])) != NULL) + CONS_Printf(" - %s", address); + } + + if (IsPlayerAdmin(i)) + CONS_Printf(M_GetText(" (verified admin)")); + + if (players[i].spectator) + CONS_Printf(M_GetText(" (spectator)")); + + CONS_Printf("\n"); + } + } +} diff --git a/src/netcode/commands.h b/src/netcode/commands.h new file mode 100644 index 000000000..d328114ee --- /dev/null +++ b/src/netcode/commands.h @@ -0,0 +1,33 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file commands.h +/// \brief Various netgame commands, such as kick and ban + +#ifndef __COMMANDS__ +#define __COMMANDS__ + +#include "../doomdef.h" + +#define MAX_REASONLENGTH 30 + +void Ban_Add(const char *reason); +void D_SaveBan(void); +void Ban_Load_File(boolean warning); +void Command_ShowBan(void); +void Command_ClearBans(void); +void Command_Ban(void); +void Command_BanIP(void); +void Command_ReloadBan(void); +void Command_Kick(void); +void Command_connect(void); +void Command_GetPlayerNum(void); +void Command_Nodes(void); + +#endif diff --git a/src/netcode/d_clisrv.c b/src/netcode/d_clisrv.c new file mode 100644 index 000000000..f06192f2c --- /dev/null +++ b/src/netcode/d_clisrv.c @@ -0,0 +1,1736 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file d_clisrv.c +/// \brief SRB2 Network game communication and protocol, all OS independent parts. + +#include +#ifdef __GNUC__ +#include //for unlink +#endif + +#include "../i_time.h" +#include "i_net.h" +#include "../i_system.h" +#include "../i_video.h" +#include "d_net.h" +#include "../d_main.h" +#include "../g_game.h" +#include "../st_stuff.h" +#include "../hu_stuff.h" +#include "../keys.h" +#include "../m_menu.h" +#include "../console.h" +#include "d_netfil.h" +#include "../byteptr.h" +#include "../p_saveg.h" +#include "../z_zone.h" +#include "../p_local.h" +#include "../m_misc.h" +#include "../am_map.h" +#include "../m_random.h" +#include "mserv.h" +#include "../y_inter.h" +#include "../r_local.h" +#include "../m_argv.h" +#include "../p_setup.h" +#include "../lzf.h" +#include "../lua_script.h" +#include "../lua_hook.h" +#include "../lua_libs.h" +#include "../md5.h" +#include "../m_perfstats.h" +#include "server_connection.h" +#include "client_connection.h" +#include "tic_command.h" +#include "net_command.h" +#include "gamestate.h" +#include "commands.h" +#include "protocol.h" + +// +// NETWORKING +// +// gametic is the tic about to (or currently being) run +// Server: +// maketic is the tic that hasn't had control made for it yet +// nettics is the tic for each node +// firstticstosend is the lowest value of nettics +// Client: +// neededtic is the tic needed by the client to run the game +// firstticstosend is used to optimize a condition +// Normally maketic >= gametic > 0 + +boolean server = true; // true or false but !server == client +boolean serverrunning = false; +INT32 serverplayer = 0; +char motd[254], server_context[8]; // Message of the Day, Unique Context (even without Mumble support) + +netnode_t netnodes[MAXNETNODES]; + +// Server specific vars +UINT8 playernode[MAXPLAYERS]; + +UINT16 pingmeasurecount = 1; +UINT32 realpingtable[MAXPLAYERS]; //the base table of ping where an average will be sent to everyone. +UINT32 playerpingtable[MAXPLAYERS]; //table of player latency values. +static INT32 pingtimeout[MAXPLAYERS]; +tic_t servermaxping = 800; // server's max ping. Defaults to 800 + +tic_t maketic; + +INT16 consistancy[BACKUPTICS]; + +// true when a player is connecting or disconnecting so that the gameplay has stopped in its tracks +boolean hu_stopped = false; + +UINT8 adminpassmd5[16]; +boolean adminpasswordset = false; + +tic_t neededtic; +SINT8 servernode = 0; // the number of the server node + +boolean acceptnewnode = true; + +UINT16 software_MAXPACKETLENGTH; + +static tic_t gametime = 0; + +static CV_PossibleValue_t netticbuffer_cons_t[] = {{0, "MIN"}, {3, "MAX"}, {0, NULL}}; +consvar_t cv_netticbuffer = CVAR_INIT ("netticbuffer", "1", CV_SAVE, netticbuffer_cons_t, NULL); + +static CV_PossibleValue_t resynchattempts_cons_t[] = {{1, "MIN"}, {20, "MAX"}, {0, "No"}, {0, NULL}}; +consvar_t cv_resynchattempts = CVAR_INIT ("resynchattempts", "10", CV_SAVE|CV_NETVAR, resynchattempts_cons_t, NULL); + +consvar_t cv_blamecfail = CVAR_INIT ("blamecfail", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); + +static CV_PossibleValue_t playbackspeed_cons_t[] = {{1, "MIN"}, {10, "MAX"}, {0, NULL}}; +consvar_t cv_playbackspeed = CVAR_INIT ("playbackspeed", "1", 0, playbackspeed_cons_t, NULL); + +consvar_t cv_dedicatedidletime = CVAR_INIT ("dedicatedidletime", "10", CV_SAVE, CV_Unsigned, NULL); + +void ResetNode(INT32 node) +{ + memset(&netnodes[node], 0, sizeof(*netnodes)); + netnodes[node].player = -1; + netnodes[node].player2 = -1; +} + +void CL_Reset(void) +{ + if (metalrecording) + G_StopMetalRecording(false); + if (metalplayback) + G_StopMetalDemo(); + if (demorecording) + G_CheckDemoStatus(); + + // reset client/server code + DEBFILE(va("\n-=-=-=-=-=-=-= Client reset =-=-=-=-=-=-=-\n\n")); + + if (servernode > 0 && servernode < MAXNETNODES) + { + netnodes[(UINT8)servernode].ingame = false; + Net_CloseConnection(servernode); + } + D_CloseConnection(); // netgame = false + multiplayer = false; + servernode = 0; + server = true; + doomcom->numnodes = 1; + doomcom->numslots = 1; + SV_StopServer(); + SV_ResetServer(); + + // make sure we don't leave any fileneeded gunk over from a failed join + FreeFileNeeded(); + fileneedednum = 0; + + totalfilesrequestednum = 0; + totalfilesrequestedsize = 0; + firstconnectattempttime = 0; + serverisfull = false; + connectiontimeout = (tic_t)cv_nettimeout.value; //reset this temporary hack + + // D_StartTitle should get done now, but the calling function will handle it +} + +// +// CL_ClearPlayer +// +// Clears the player data so that a future client can use this slot +// +void CL_ClearPlayer(INT32 playernum) +{ + if (players[playernum].mo) + P_RemoveMobj(players[playernum].mo); + memset(&players[playernum], 0, sizeof (player_t)); + memset(playeraddress[playernum], 0, sizeof(*playeraddress)); +} + +// Xcmd XD_ADDPLAYER +static void Got_AddPlayer(UINT8 **p, INT32 playernum) +{ + INT16 node, newplayernum; + boolean splitscreenplayer; + boolean rejoined; + player_t *newplayer; + + if (playernum != serverplayer && !IsPlayerAdmin(playernum)) + { + // protect against hacked/buggy client + CONS_Alert(CONS_WARNING, M_GetText("Illegal add player command received from %s\n"), player_names[playernum]); + if (server) + SendKick(playernum, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); + return; + } + + node = READUINT8(*p); + newplayernum = READUINT8(*p); + splitscreenplayer = newplayernum & 0x80; + newplayernum &= ~0x80; + + rejoined = playeringame[newplayernum]; + + if (!rejoined) + { + // Clear player before joining, lest some things get set incorrectly + // HACK: don't do this for splitscreen, it relies on preset values + if (!splitscreen && !botingame) + CL_ClearPlayer(newplayernum); + playeringame[newplayernum] = true; + G_AddPlayer(newplayernum); + if (newplayernum+1 > doomcom->numslots) + doomcom->numslots = (INT16)(newplayernum+1); + + if (server && I_GetNodeAddress) + { + char addressbuffer[64]; + const char *address = I_GetNodeAddress(node); + if (address) // MI: fix msvcrt.dll!_mbscat crash? + { + strcpy(addressbuffer, address); + strcpy(playeraddress[newplayernum], + I_NetSplitAddress(addressbuffer, NULL)); + } + } + } + + newplayer = &players[newplayernum]; + + newplayer->jointime = 0; + newplayer->quittime = 0; + + READSTRINGN(*p, player_names[newplayernum], MAXPLAYERNAME); + + // the server is creating my player + if (node == mynode) + { + playernode[newplayernum] = 0; // for information only + if (!splitscreenplayer) + { + consoleplayer = newplayernum; + displayplayer = newplayernum; + secondarydisplayplayer = newplayernum; + DEBFILE("spawning me\n"); + ticcmd_oldangleturn[0] = newplayer->oldrelangleturn; + } + else + { + secondarydisplayplayer = newplayernum; + DEBFILE("spawning my brother\n"); + if (botingame) + newplayer->bot = 1; + ticcmd_oldangleturn[1] = newplayer->oldrelangleturn; + } + P_ForceLocalAngle(newplayer, (angle_t)(newplayer->angleturn << 16)); + D_SendPlayerConfig(); + addedtogame = true; + + if (rejoined) + { + if (newplayer->mo) + { + newplayer->viewheight = 41*newplayer->height/48; + + if (newplayer->mo->eflags & MFE_VERTICALFLIP) + newplayer->viewz = newplayer->mo->z + newplayer->mo->height - newplayer->viewheight; + else + newplayer->viewz = newplayer->mo->z + newplayer->viewheight; + } + + // wake up the status bar + ST_Start(); + // wake up the heads up text + HU_Start(); + + if (camera.chase && !splitscreenplayer) + P_ResetCamera(newplayer, &camera); + if (camera2.chase && splitscreenplayer) + P_ResetCamera(newplayer, &camera2); + } + } + + if (netgame) + { + char joinmsg[256]; + + if (rejoined) + strcpy(joinmsg, M_GetText("\x82*%s has rejoined the game (player %d)")); + else + strcpy(joinmsg, M_GetText("\x82*%s has joined the game (player %d)")); + strcpy(joinmsg, va(joinmsg, player_names[newplayernum], newplayernum)); + + // Merge join notification + IP to avoid clogging console/chat + if (server && cv_showjoinaddress.value && I_GetNodeAddress) + { + const char *address = I_GetNodeAddress(node); + if (address) + strcat(joinmsg, va(" (%s)", address)); + } + + HU_AddChatText(joinmsg, false); + } + + if (server && multiplayer && motd[0] != '\0') + COM_BufAddText(va("sayto %d %s\n", newplayernum, motd)); + + if (!rejoined) + LUA_HookInt(newplayernum, HOOK(PlayerJoin)); +} + +static void UnlinkPlayerFromNode(INT32 playernum) +{ + INT32 node = playernode[playernum]; + + if (node == UINT8_MAX) + return; + + playernode[playernum] = UINT8_MAX; + + netnodes[node].numplayers--; + if (netnodes[node].numplayers <= 0) + { + netnodes[node].ingame = false; + Net_CloseConnection(node); + ResetNode(node); + } +} + +static void PT_ClientQuit(SINT8 node, INT32 netconsole) +{ + if (client) + return; + + if (netnodes[node].ingame && netconsole != -1 && playeringame[netconsole]) + SendKicksForNode(node, KICK_MSG_PLAYER_QUIT | KICK_MSG_KEEP_BODY); + + Net_CloseConnection(node); + netnodes[node].ingame = false; + netnodes[node].player = -1; + netnodes[node].player2 = -1; +} + +static void Got_KickCmd(UINT8 **p, INT32 playernum) +{ + INT32 pnum, msg; + char buf[3 + MAX_REASONLENGTH]; + char *reason = buf; + kickreason_t kickreason = KR_KICK; + boolean keepbody; + + pnum = READUINT8(*p); + msg = READUINT8(*p); + keepbody = (msg & KICK_MSG_KEEP_BODY) != 0; + msg &= ~KICK_MSG_KEEP_BODY; + + if (pnum == serverplayer && IsPlayerAdmin(playernum)) + { + CONS_Printf(M_GetText("Server is being shut down remotely. Goodbye!\n")); + + if (server) + COM_BufAddText("quit\n"); + + return; + } + + // Is playernum authorized to make this kick? + if (playernum != serverplayer && !IsPlayerAdmin(playernum) + && !(playernode[playernum] != UINT8_MAX && netnodes[playernode[playernum]].numplayers == 2 + && netnodes[playernode[playernum]].player2 == pnum)) + { + // We received a kick command from someone who isn't the + // server or admin, and who isn't in splitscreen removing + // player 2. Thus, it must be someone with a modified + // binary, trying to kick someone but without having + // authorization. + + // We deal with this by changing the kick reason to + // "consistency failure" and kicking the offending user + // instead. + + // Note: Splitscreen in netgames is broken because of + // this. Only the server has any idea of which players + // are using splitscreen on the same computer, so + // clients cannot always determine if a kick is + // legitimate. + + CONS_Alert(CONS_WARNING, M_GetText("Illegal kick command received from %s for player %d\n"), player_names[playernum], pnum); + + // In debug, print a longer message with more details. + // TODO Callum: Should we translate this? +/* + CONS_Debug(DBG_NETPLAY, + "So, you must be asking, why is this an illegal kick?\n" + "Well, let's take a look at the facts, shall we?\n" + "\n" + "playernum (this is the guy who did it), he's %d.\n" + "pnum (the guy he's trying to kick) is %d.\n" + "playernum's node is %d.\n" + "That node has %d players.\n" + "Player 2 on that node is %d.\n" + "pnum's node is %d.\n" + "That node has %d players.\n" + "Player 2 on that node is %d.\n" + "\n" + "If you think this is a bug, please report it, including all of the details above.\n", + playernum, pnum, + playernode[playernum], netnodes[playernode[playernum]].numplayers, + netnodes[playernode[playernum]].player2, + playernode[pnum], netnodes[playernode[pnum]].numplayers, + netnodes[playernode[pnum]].player2); +*/ + pnum = playernum; + msg = KICK_MSG_CON_FAIL; + keepbody = true; + } + + //CONS_Printf("\x82%s ", player_names[pnum]); + + // If a verified admin banned someone, the server needs to know about it. + // If the playernum isn't zero (the server) then the server needs to record the ban. + if (server && playernum && (msg == KICK_MSG_BANNED || msg == KICK_MSG_CUSTOM_BAN)) + { + if (I_Ban && !I_Ban(playernode[(INT32)pnum])) + CONS_Alert(CONS_WARNING, M_GetText("Too many bans! Geez, that's a lot of people you're excluding...\n")); + else + Ban_Add(reason); + } + + switch (msg) + { + case KICK_MSG_GO_AWAY: + if (!players[pnum].quittime) + HU_AddChatText(va("\x82*%s has been kicked (No reason given)", player_names[pnum]), false); + kickreason = KR_KICK; + break; + case KICK_MSG_PING_HIGH: + HU_AddChatText(va("\x82*%s left the game (Broke ping limit)", player_names[pnum]), false); + kickreason = KR_PINGLIMIT; + break; + case KICK_MSG_CON_FAIL: + HU_AddChatText(va("\x82*%s left the game (Synch failure)", player_names[pnum]), false); + kickreason = KR_SYNCH; + + if (M_CheckParm("-consisdump")) // Helps debugging some problems + { + CONS_Printf(M_GetText("Player kicked is #%d, dumping consistency...\n"), pnum); + + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + if (!playeringame[i]) + continue; + CONS_Printf("-------------------------------------\n"); + CONS_Printf("Player %d: %s\n", i, player_names[i]); + CONS_Printf("Skin: %d\n", players[i].skin); + CONS_Printf("Color: %d\n", players[i].skincolor); + CONS_Printf("Speed: %d\n",players[i].speed>>FRACBITS); + if (players[i].mo) + { + if (!players[i].mo->skin) + CONS_Printf("Mobj skin: NULL!\n"); + else + CONS_Printf("Mobj skin: %s\n", ((skin_t *)players[i].mo->skin)->name); + CONS_Printf("Position: %d, %d, %d\n", players[i].mo->x, players[i].mo->y, players[i].mo->z); + if (!players[i].mo->state) + CONS_Printf("State: S_NULL\n"); + else + CONS_Printf("State: %d\n", (statenum_t)(players[i].mo->state-states)); + } + else + CONS_Printf("Mobj: NULL\n"); + CONS_Printf("-------------------------------------\n"); + } + } + break; + case KICK_MSG_TIMEOUT: + HU_AddChatText(va("\x82*%s left the game (Connection timeout)", player_names[pnum]), false); + kickreason = KR_TIMEOUT; + break; + case KICK_MSG_PLAYER_QUIT: + if (netgame && !players[pnum].quittime) // not splitscreen/bots or soulless body + HU_AddChatText(va("\x82*%s left the game", player_names[pnum]), false); + kickreason = KR_LEAVE; + break; + case KICK_MSG_BANNED: + HU_AddChatText(va("\x82*%s has been banned (No reason given)", player_names[pnum]), false); + kickreason = KR_BAN; + break; + case KICK_MSG_CUSTOM_KICK: + READSTRINGN(*p, reason, MAX_REASONLENGTH+1); + HU_AddChatText(va("\x82*%s has been kicked (%s)", player_names[pnum], reason), false); + kickreason = KR_KICK; + break; + case KICK_MSG_CUSTOM_BAN: + READSTRINGN(*p, reason, MAX_REASONLENGTH+1); + HU_AddChatText(va("\x82*%s has been banned (%s)", player_names[pnum], reason), false); + kickreason = KR_BAN; + break; + } + + if (pnum == consoleplayer) + { + LUA_HookBool(false, HOOK(GameQuit)); +#ifdef DUMPCONSISTENCY + if (msg == KICK_MSG_CON_FAIL) SV_SavedGame(); +#endif + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + if (msg == KICK_MSG_CON_FAIL) + M_StartMessage(M_GetText("Server closed connection\n(synch failure)\nPress ESC\n"), NULL, MM_NOTHING); + else if (msg == KICK_MSG_PING_HIGH) + M_StartMessage(M_GetText("Server closed connection\n(Broke ping limit)\nPress ESC\n"), NULL, MM_NOTHING); + else if (msg == KICK_MSG_BANNED) + M_StartMessage(M_GetText("You have been banned by the server\n\nPress ESC\n"), NULL, MM_NOTHING); + else if (msg == KICK_MSG_CUSTOM_KICK) + M_StartMessage(va(M_GetText("You have been kicked\n(%s)\nPress ESC\n"), reason), NULL, MM_NOTHING); + else if (msg == KICK_MSG_CUSTOM_BAN) + M_StartMessage(va(M_GetText("You have been banned\n(%s)\nPress ESC\n"), reason), NULL, MM_NOTHING); + else + M_StartMessage(M_GetText("You have been kicked by the server\n\nPress ESC\n"), NULL, MM_NOTHING); + } + else if (keepbody) + { + if (server) + UnlinkPlayerFromNode(pnum); + players[pnum].quittime = 1; + } + else + CL_RemovePlayer(pnum, kickreason); +} + +// If in a special stage, redistribute the player's +// spheres across the remaining players. +// I feel like this shouldn't even be in this file at all, but well. +static void RedistributeSpecialStageSpheres(INT32 playernum) +{ + if (!G_IsSpecialStage(gamemap) || D_NumPlayers() <= 1) + return; + + INT32 count = D_NumPlayers() - 1; + INT32 spheres = players[playernum].spheres; + INT32 rings = players[playernum].rings; + + while (spheres || rings) + { + INT32 sincrement = max(spheres / count, 1); + INT32 rincrement = max(rings / count, 1); + + INT32 n; + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + if (!playeringame[i] || i == playernum) + continue; + + n = min(spheres, sincrement); + P_GivePlayerSpheres(&players[i], n); + spheres -= n; + + n = min(rings, rincrement); + P_GivePlayerRings(&players[i], n); + rings -= n; + } + } +} + +// +// CL_RemovePlayer +// +// Removes a player from the current game +// +void CL_RemovePlayer(INT32 playernum, kickreason_t reason) +{ + // Sanity check: exceptional cases (i.e. c-fails) can cause multiple + // kick commands to be issued for the same player. + if (!playeringame[playernum]) + return; + + if (server) + UnlinkPlayerFromNode(playernum); + + if (gametyperules & GTR_TEAMFLAGS) + P_PlayerFlagBurst(&players[playernum], false); // Don't take the flag with you! + + RedistributeSpecialStageSpheres(playernum); + + LUA_HookPlayerQuit(&players[playernum], reason); // Lua hook for player quitting + + // don't look through someone's view who isn't there + if (playernum == displayplayer) + { + // Call ViewpointSwitch hooks here. + // The viewpoint was forcibly changed. + LUA_HookViewpointSwitch(&players[consoleplayer], &players[consoleplayer], true); + displayplayer = consoleplayer; + } + + // Reset player data + CL_ClearPlayer(playernum); + + // remove avatar of player + playeringame[playernum] = false; + while (!playeringame[doomcom->numslots-1] && doomcom->numslots > 1) + doomcom->numslots--; + + // Reset the name + sprintf(player_names[playernum], "Player %d", playernum+1); + + player_name_changes[playernum] = 0; + + if (IsPlayerAdmin(playernum)) + { + RemoveAdminPlayer(playernum); // don't stay admin after you're gone + } + + LUA_InvalidatePlayer(&players[playernum]); + + if (G_TagGametype()) //Check if you still have a game. Location flexible. =P + P_CheckSurvivors(); + else if (gametyperules & GTR_RACE) + P_CheckRacers(); +} + +// +// D_QuitNetGame +// Called before quitting to leave a net game +// without hanging the other players +// +void D_QuitNetGame(void) +{ + mousegrabbedbylua = true; + I_UpdateMouseGrab(); + + if (!netgame || !netbuffer) + return; + + DEBFILE("===========================================================================\n" + " Quitting Game, closing connection\n" + "===========================================================================\n"); + + // abort send/receive of files + CloseNetFile(); + RemoveAllLuaFileTransfers(); + waitingforluafiletransfer = false; + waitingforluafilecommand = false; + + if (server) + { + netbuffer->packettype = PT_SERVERSHUTDOWN; + for (INT32 i = 0; i < MAXNETNODES; i++) + if (netnodes[i].ingame) + HSendPacket(i, true, 0, 0); +#ifdef MASTERSERVER + if (serverrunning && ms_RoomId > 0) + UnregisterServer(); +#endif + } + else if (servernode > 0 && servernode < MAXNETNODES && netnodes[(UINT8)servernode].ingame) + { + netbuffer->packettype = PT_CLIENTQUIT; + HSendPacket(servernode, true, 0, 0); + } + + D_CloseConnection(); + ClearAdminPlayers(); + + DEBFILE("===========================================================================\n" + " Log finish\n" + "===========================================================================\n"); +#ifdef DEBUGFILE + if (debugfile) + { + fclose(debugfile); + debugfile = NULL; + } +#endif +} + +void CL_HandleTimeout(void) +{ + LUA_HookBool(false, HOOK(GameQuit)); + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + M_StartMessage(M_GetText("Server Timeout\n\nPress Esc\n"), NULL, MM_NOTHING); +} + +void CL_AddSplitscreenPlayer(void) +{ + if (cl_mode == CL_CONNECTED) + CL_SendJoin(); +} + +void CL_RemoveSplitscreenPlayer(void) +{ + if (cl_mode != CL_CONNECTED) + return; + + SendKick(secondarydisplayplayer, KICK_MSG_PLAYER_QUIT); +} + +void SV_ResetServer(void) +{ + // +1 because this command will be executed in com_executebuffer in + // tryruntic so gametic will be incremented, anyway maketic > gametic + // is not an issue + + maketic = gametic + 1; + neededtic = maketic; + tictoclear = maketic; + + joindelay = 0; + + for (INT32 i = 0; i < MAXNETNODES; i++) + ResetNode(i); + + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + LUA_InvalidatePlayer(&players[i]); + playeringame[i] = false; + playernode[i] = UINT8_MAX; + memset(playeraddress[i], 0, sizeof(*playeraddress)); + sprintf(player_names[i], "Player %d", i + 1); + adminplayers[i] = -1; // Populate the entire adminplayers array with -1. + } + + memset(player_name_changes, 0, sizeof player_name_changes); + + mynode = 0; + cl_packetmissed = false; + cl_redownloadinggamestate = false; + + if (dedicated) + { + netnodes[0].ingame = true; + serverplayer = 0; + } + else + serverplayer = consoleplayer; + + if (server) + servernode = 0; + + doomcom->numslots = 0; + + // clear server_context + memset(server_context, '-', 8); + + CV_RevertNetVars(); + + // Ensure synched when creating a new server + M_CopyGameData(serverGamedata, clientGamedata); + + DEBFILE("\n-=-=-=-=-=-=-= Server Reset =-=-=-=-=-=-=-\n\n"); +} + +static inline void SV_GenContext(void) +{ + // generate server_context, as exactly 8 bytes of randomly mixed A-Z and a-z + // (hopefully M_Random is initialized!! if not this will be awfully silly!) + for (UINT8 i = 0; i < 8; i++) + { + const char a = M_RandomKey(26*2); + if (a < 26) // uppercase + server_context[i] = 'A'+a; + else // lowercase + server_context[i] = 'a'+(a-26); + } +} + +void SV_SpawnServer(void) +{ + if (demoplayback) + G_StopDemo(); // reset engine parameter + if (metalplayback) + G_StopMetalDemo(); + + if (!serverrunning) + { + CONS_Printf(M_GetText("Starting Server....\n")); + serverrunning = true; + SV_ResetServer(); + SV_GenContext(); + if (netgame && I_NetOpenSocket) + { + I_NetOpenSocket(); +#ifdef MASTERSERVER + if (ms_RoomId > 0) + RegisterServer(); +#endif + } + + // non dedicated server just connect to itself + if (!dedicated) + CL_ConnectToServer(); + else doomcom->numslots = 1; + } +} + +// called at singleplayer start and stopdemo +void SV_StartSinglePlayerServer(void) +{ + server = true; + netgame = false; + multiplayer = false; + G_SetGametype(GT_COOP); + + // no more tic the game with this settings! + SV_StopServer(); + + if (splitscreen) + multiplayer = true; +} + +void SV_StopServer(void) +{ + if (gamestate == GS_INTERMISSION) + Y_EndIntermission(); + gamestate = wipegamestate = GS_NULL; + + localtextcmd[0] = 0; + localtextcmd2[0] = 0; + + for (tic_t i = firstticstosend; i < firstticstosend + BACKUPTICS; i++) + D_Clearticcmd(i); + + consoleplayer = 0; + cl_mode = CL_SEARCHING; + maketic = gametic+1; + neededtic = maketic; + serverrunning = false; +} + +/** Called when a PT_SERVERSHUTDOWN packet is received + * + * \param node The packet sender (should be the server) + * + */ +static void PT_ServerShutdown(SINT8 node) +{ + if (node != servernode || server || cl_mode == CL_SEARCHING) + return; + + (void)node; + LUA_HookBool(false, HOOK(GameQuit)); + D_QuitNetGame(); + CL_Reset(); + D_StartTitle(); + M_StartMessage(M_GetText("Server has shutdown\n\nPress Esc\n"), NULL, MM_NOTHING); +} + +static void PT_Login(SINT8 node, INT32 netconsole) +{ + (void)node; + + if (client) + return; + +#ifndef NOMD5 + UINT8 finalmd5[16];/* Well, it's the cool thing to do? */ + + if (doomcom->datalength < 16)/* ignore partial sends */ + return; + + if (!adminpasswordset) + { + CONS_Printf(M_GetText("Password from %s failed (no password set).\n"), player_names[netconsole]); + return; + } + + // Do the final pass to compare with the sent md5 + D_MD5PasswordPass(adminpassmd5, 16, va("PNUM%02d", netconsole), &finalmd5); + + if (!memcmp(netbuffer->u.md5sum, finalmd5, 16)) + { + CONS_Printf(M_GetText("%s passed authentication.\n"), player_names[netconsole]); + COM_BufInsertText(va("promote %d\n", netconsole)); // do this immediately + } + else + CONS_Printf(M_GetText("Password from %s failed.\n"), player_names[netconsole]); +#else + (void)netconsole; +#endif +} + +static void PT_AskLuaFile(SINT8 node) +{ + if (server && luafiletransfers && luafiletransfers->nodestatus[node] == LFTNS_ASKED) + AddLuaFileToSendQueue(node, luafiletransfers->realfilename); +} + +static void PT_HasLuaFile(SINT8 node) +{ + if (server && luafiletransfers && luafiletransfers->nodestatus[node] == LFTNS_SENDING) + SV_HandleLuaFileSent(node); +} + +static void PT_SendingLuaFile(SINT8 node) +{ + (void)node; + + if (client) + CL_PrepareDownloadLuaFile(); +} + +/* +Ping Update except better: +We call this once per second and check for people's pings. If their ping happens to be too high, we increment some timer and kick them out. +If they're not lagging, decrement the timer by 1. Of course, reset all of this if they leave. +*/ + +static inline void PingUpdate(void) +{ + boolean laggers[MAXPLAYERS]; + UINT8 numlaggers = 0; + memset(laggers, 0, sizeof(boolean) * MAXPLAYERS); + + netbuffer->packettype = PT_PING; + + //check for ping limit breakage. + if (cv_maxping.value) + { + for (INT32 i = 1; i < MAXPLAYERS; i++) + { + if (playeringame[i] && !players[i].quittime + && (realpingtable[i] / pingmeasurecount > (unsigned)cv_maxping.value)) + { + if (players[i].jointime > 30 * TICRATE) + laggers[i] = true; + numlaggers++; + } + else + pingtimeout[i] = 0; + } + + //kick lagging players... unless everyone but the server's ping sucks. + //in that case, it is probably the server's fault. + if (numlaggers < D_NumPlayers() - 1) + { + for (INT32 i = 1; i < MAXPLAYERS; i++) + { + if (playeringame[i] && laggers[i]) + { + pingtimeout[i]++; + // ok your net has been bad for too long, you deserve to die. + if (pingtimeout[i] > cv_pingtimeout.value) + { + pingtimeout[i] = 0; + SendKick(i, KICK_MSG_PING_HIGH | KICK_MSG_KEEP_BODY); + } + } + /* + you aren't lagging, + but you aren't free yet. + In case you'll keep spiking, + we just make the timer go back down. (Very unstable net must still get kicked). + */ + else + pingtimeout[i] = (pingtimeout[i] == 0 ? 0 : pingtimeout[i]-1); + } + } + } + + //make the ping packet and clear server data for next one + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + netbuffer->u.pingtable[i] = realpingtable[i] / pingmeasurecount; + //server takes a snapshot of the real ping for display. + //otherwise, pings fluctuate a lot and would be odd to look at. + playerpingtable[i] = realpingtable[i] / pingmeasurecount; + realpingtable[i] = 0; //Reset each as we go. + } + + // send the server's maxping as last element of our ping table. This is useful to let us know when we're about to get kicked. + netbuffer->u.pingtable[MAXPLAYERS] = cv_maxping.value; + + //send out our ping packets + for (INT32 i = 0; i < MAXNETNODES; i++) + if (netnodes[i].ingame) + HSendPacket(i, true, 0, sizeof(INT32) * (MAXPLAYERS+1)); + + pingmeasurecount = 1; //Reset count +} + +static void PT_Ping(SINT8 node, INT32 netconsole) +{ + // Only accept PT_PING from the server. + if (node != servernode) + { + CONS_Alert(CONS_WARNING, M_GetText("%s received from non-host %d\n"), "PT_PING", node); + if (server) + SendKick(netconsole, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); + return; + } + + //Update client ping table from the server. + if (client) + { + for (INT32 i = 0; i < MAXPLAYERS; i++) + if (playeringame[i]) + playerpingtable[i] = (tic_t)netbuffer->u.pingtable[i]; + + servermaxping = (tic_t)netbuffer->u.pingtable[MAXPLAYERS]; + } +} + +static void PT_BasicKeepAlive(SINT8 node, INT32 netconsole) +{ + if (client) + return; + + // This should probably still timeout though, as the node should always have a player 1 number + if (netconsole == -1) + return; + + // If a client sends this it should mean they are done receiving the savegame + netnodes[node].sendingsavegame = false; + + // As long as clients send keep alives, the server can keep running, so reset the timeout + /// \todo Use a separate cvar for that kind of timeout? + netnodes[node].freezetimeout = I_GetTime() + connectiontimeout; + return; +} + +// Confusing, but this DOESN'T send PT_NODEKEEPALIVE, it sends PT_BASICKEEPALIVE +// Used during wipes to tell the server that a node is still connected +static void CL_SendClientKeepAlive(void) +{ + netbuffer->packettype = PT_BASICKEEPALIVE; + + HSendPacket(servernode, false, 0, 0); +} + +static void SV_SendServerKeepAlive(void) +{ + for (INT32 n = 1; n < MAXNETNODES; n++) + { + if (netnodes[n].ingame) + { + netbuffer->packettype = PT_BASICKEEPALIVE; + HSendPacket(n, false, 0, 0); + } + } +} + +/** Handles a packet received from a node that isn't in game + * + * \param node The packet sender + * \todo Choose a better name, as the packet can also come from the server apparently? + * \sa HandlePacketFromPlayer + * \sa GetPackets + * + */ +static void HandlePacketFromAwayNode(SINT8 node) +{ + if (node != servernode) + DEBFILE(va("Received packet from unknown host %d\n", node)); + + switch (netbuffer->packettype) + { + case PT_ASKINFOVIAMS : PT_AskInfoViaMS (node ); break; + case PT_SERVERINFO : PT_ServerInfo (node ); break; + case PT_TELLFILESNEEDED: PT_TellFilesNeeded(node ); break; + case PT_MOREFILESNEEDED: PT_MoreFilesNeeded(node ); break; + case PT_ASKINFO : PT_AskInfo (node ); break; + case PT_SERVERREFUSE : PT_ServerRefuse (node ); break; + case PT_SERVERCFG : PT_ServerCFG (node ); break; + case PT_FILEFRAGMENT : PT_FileFragment (node, -1); break; + case PT_FILEACK : PT_FileAck (node ); break; + case PT_FILERECEIVED : PT_FileReceived (node ); break; + case PT_REQUESTFILE : PT_RequestFile (node ); break; + case PT_CLIENTQUIT : PT_ClientQuit (node, -1); break; + case PT_SERVERTICS : PT_ServerTics (node, -1); break; + case PT_CLIENTJOIN : PT_ClientJoin (node ); break; + case PT_SERVERSHUTDOWN : PT_ServerShutdown (node ); break; + case PT_CLIENTCMD : break; // This is not an "unknown packet" + case PT_PLAYERINFO : break; // This is not an "unknown packet" + + default: + DEBFILE(va("unknown packet received (%d) from unknown host\n",netbuffer->packettype)); + Net_CloseConnection(node); + } +} + +/** Handles a packet received from a node that is in game + * + * \param node The packet sender + * \todo Choose a better name + * \sa HandlePacketFromAwayNode + * \sa GetPackets + * + */ +static void HandlePacketFromPlayer(SINT8 node) +{ + INT32 netconsole; + + if (dedicated && node == 0) + netconsole = 0; + else + netconsole = netnodes[node].player; + +#ifdef PARANOIA + if (netconsole >= MAXPLAYERS) + I_Error("bad table nodetoplayer: node %d player %d", doomcom->remotenode, netconsole); +#endif + + switch (netbuffer->packettype) + { + // SERVER RECEIVE + case PT_CLIENTCMD: + case PT_CLIENT2CMD: + case PT_CLIENTMIS: + case PT_CLIENT2MIS: + case PT_NODEKEEPALIVE: + case PT_NODEKEEPALIVEMIS: + PT_ClientCmd(node, netconsole); + break; + case PT_BASICKEEPALIVE : PT_BasicKeepAlive (node, netconsole); break; + case PT_TEXTCMD : PT_TextCmd (node, netconsole); break; + case PT_TEXTCMD2 : PT_TextCmd (node, netconsole); break; + case PT_LOGIN : PT_Login (node, netconsole); break; + case PT_CLIENTQUIT : PT_ClientQuit (node, netconsole); break; + case PT_CANRECEIVEGAMESTATE: PT_CanReceiveGamestate(node ); break; + case PT_ASKLUAFILE : PT_AskLuaFile (node ); break; + case PT_HASLUAFILE : PT_HasLuaFile (node ); break; + case PT_RECEIVEDGAMESTATE : PT_ReceivedGamestate (node ); break; + case PT_SERVERINFO : PT_ServerInfo (node ); break; + + // CLIENT RECEIVE + case PT_SERVERTICS : PT_ServerTics (node, netconsole); break; + case PT_PING : PT_Ping (node, netconsole); break; + case PT_FILEFRAGMENT : PT_FileFragment (node, netconsole); break; + case PT_FILEACK : PT_FileAck (node ); break; + case PT_FILERECEIVED : PT_FileReceived (node ); break; + case PT_WILLRESENDGAMESTATE: PT_WillResendGamestate(node ); break; + case PT_SENDINGLUAFILE : PT_SendingLuaFile (node ); break; + case PT_SERVERSHUTDOWN : PT_ServerShutdown (node ); break; + case PT_SERVERCFG : break; + case PT_CLIENTJOIN : break; + + default: + DEBFILE(va("UNKNOWN PACKET TYPE RECEIVED %d from host %d\n", + netbuffer->packettype, node)); + } +} + +/** Handles all received packets, if any + * + * \todo Add details to this description (lol) + * + */ +void GetPackets(void) +{ + while (HGetPacket()) + { + SINT8 node = doomcom->remotenode; + + // Packet received from someone already playing + if (netnodes[node].ingame) + HandlePacketFromPlayer(node); + // Packet received from someone not playing + else + HandlePacketFromAwayNode(node); + } +} + +boolean TryRunTics(tic_t realtics) +{ + // the machine has lagged but it is not so bad + if (realtics > TICRATE/7) + { + if (server) + realtics = 1; + else + realtics = TICRATE/7; + } + + if (singletics) + realtics = 1; + + if (realtics >= 1) + { + COM_BufTicker(); + if (mapchangepending) + D_MapChange(-1, 0, ultimatemode, false, 2, false, fromlevelselect); // finish the map change + } + + NetUpdate(); + + if (demoplayback) + { + neededtic = gametic + realtics; + // start a game after a demo + maketic += realtics; + firstticstosend = maketic; + tictoclear = firstticstosend; + } + + GetPackets(); + +#ifdef DEBUGFILE + if (debugfile && (realtics || neededtic > gametic)) + { + fprintf(debugfile, "------------ Tryruntic: REAL:%d NEED:%d GAME:%d LOAD: %d\n", + realtics, neededtic, gametic, debugload); + debugload = 100000; + } +#endif + + if (neededtic > gametic) + { + if (realtics) + hu_stopped = false; + + if (advancedemo) + { + if (timedemo_quit) + COM_ImmedExecute("quit"); + else + D_StartTitle(); + } + else + // run the count * tics + while (neededtic > gametic) + { + boolean update_stats = !(paused || P_AutoPause()); + + DEBFILE(va("============ Running tic %d (local %d)\n", gametic, localgametic)); + + if (update_stats) + PS_START_TIMING(ps_tictime); + + G_Ticker((gametic % NEWTICRATERATIO) == 0); + ExtraDataTicker(); + gametic++; + consistancy[gametic%BACKUPTICS] = Consistancy(); + + if (update_stats) + { + PS_STOP_TIMING(ps_tictime); + PS_UpdateTickStats(); + } + + // Leave a certain amount of tics present in the net buffer as long as we've ran at least one tic this frame. + if (client && gamestate == GS_LEVEL && leveltime > 3 && neededtic <= gametic + cv_netticbuffer.value) + break; + } + + return true; + } + else + { + if (realtics) + hu_stopped = true; + + return false; + } +} + +static void UpdatePingTable(void) +{ + if (server) + { + if (netgame && !(gametime % 35)) // update once per second. + PingUpdate(); + // update node latency values so we can take an average later. + for (INT32 i = 0; i < MAXPLAYERS; i++) + if (playeringame[i] && playernode[i] != UINT8_MAX) + realpingtable[i] += G_TicsToMilliseconds(GetLag(playernode[i])); + pingmeasurecount++; + } +} + +// Handle timeouts to prevent definitive freezes from happenning +static void HandleNodeTimeouts(void) +{ + if (server) + { + for (INT32 i = 1; i < MAXNETNODES; i++) + if (netnodes[i].ingame && netnodes[i].freezetimeout < I_GetTime()) + Net_ConnectionTimeout(i); + + // In case the cvar value was lowered + if (joindelay) + joindelay = min(joindelay - 1, 3 * (tic_t)cv_joindelay.value * TICRATE); + } +} + +// Keep the network alive while not advancing tics! +void NetKeepAlive(void) +{ + tic_t nowtime; + INT32 realtics; + + nowtime = I_GetTime(); + realtics = nowtime - gametime; + + // return if there's no time passed since the last call + if (realtics <= 0) // nothing new to update + return; + + UpdatePingTable(); + + GetPackets(); + +#ifdef MASTERSERVER + MasterClient_Ticker(); +#endif + + if (client) + { + // send keep alive + CL_SendClientKeepAlive(); + // No need to check for resynch because we aren't running any tics + } + else + { + SV_SendServerKeepAlive(); + } + + // No else because no tics are being run and we can't resynch during this + + Net_AckTicker(); + HandleNodeTimeouts(); + FileSendTicker(); +} + +void NetUpdate(void) +{ + static tic_t resptime = 0; + tic_t nowtime; + INT32 realtics; + + nowtime = I_GetTime(); + realtics = nowtime - gametime; + + if (realtics <= 0) // nothing new to update + return; + + if (realtics > 5) + { + if (server) + realtics = 1; + else + realtics = 5; + } + + if (server && dedicated && gamestate == GS_LEVEL) + { + const tic_t dedicatedidletime = cv_dedicatedidletime.value * TICRATE; + static tic_t dedicatedidletimeprev = 0; + static tic_t dedicatedidle = 0; + + if (dedicatedidletime > 0) + { + INT32 i; + + for (i = 1; i < MAXNETNODES; ++i) + if (netnodes[i].ingame) + { + if (dedicatedidle >= dedicatedidletime) + { + CONS_Printf("DEDICATED: Awakening from idle (Node %d detected...)\n", i); + dedicatedidle = 0; + } + break; + } + + if (i == MAXNETNODES) + { + if (leveltime == 2) + { + // On next tick... + dedicatedidle = dedicatedidletime-1; + } + else if (dedicatedidle >= dedicatedidletime) + { + if (D_GetExistingTextcmd(gametic, 0) || D_GetExistingTextcmd(gametic+1, 0)) + { + CONS_Printf("DEDICATED: Awakening from idle (Netxcmd detected...)\n"); + dedicatedidle = 0; + } + else + { + realtics = 0; + } + } + else if ((dedicatedidle += realtics) >= dedicatedidletime) + { + const char *idlereason = "at round start"; + if (leveltime > 3) + idlereason = va("for %d seconds", dedicatedidle/TICRATE); + + CONS_Printf("DEDICATED: No nodes %s, idling...\n", idlereason); + realtics = 0; + dedicatedidle = dedicatedidletime; + } + } + } + else + { + if (dedicatedidletimeprev > 0 && dedicatedidle >= dedicatedidletimeprev) + { + CONS_Printf("DEDICATED: Awakening from idle (Idle disabled...)\n"); + } + dedicatedidle = 0; + } + + dedicatedidletimeprev = dedicatedidletime; + } + + gametime = nowtime; + + UpdatePingTable(); + + if (client) + maketic = neededtic; + + Local_Maketic(realtics); + + if (server) + CL_SendClientCmd(); // send it + + GetPackets(); // get packet from client or from server + + // The client sends the command after receiving from the server + // The server sends it before because this is better in single player + +#ifdef MASTERSERVER + MasterClient_Ticker(); // Acking the Master Server +#endif + + if (client) + { + // If the client just finished redownloading the game state, load it + if (cl_redownloadinggamestate && fileneeded[0].status == FS_FOUND) + CL_ReloadReceivedSavegame(); + + CL_SendClientCmd(); // Send tic cmd + hu_redownloadinggamestate = cl_redownloadinggamestate; + } + else + { + if (!demoplayback && realtics > 0) + { + hu_redownloadinggamestate = false; + + firstticstosend = gametic; + for (INT32 i = 0; i < MAXNETNODES; i++) + if (netnodes[i].ingame) + { + if (netnodes[i].tic < firstticstosend) + firstticstosend = netnodes[i].tic; + + if (maketic + realtics >= netnodes[i].tic + BACKUPTICS - TICRATE) + Net_ConnectionTimeout(i); + } + + // Don't erase tics not acknowledged + INT32 counts = realtics; + if (maketic + counts >= firstticstosend + BACKUPTICS) + counts = firstticstosend+BACKUPTICS-maketic-1; + + for (INT32 i = 0; i < counts; i++) + SV_Maketic(); // Create missed tics and increment maketic + + for (; tictoclear < firstticstosend; tictoclear++) // Clear only when acknowledged + D_Clearticcmd(tictoclear); // Clear the maketic the new tic + + SV_SendTics(); + + neededtic = maketic; // The server is a client too + } + } + + Net_AckTicker(); + HandleNodeTimeouts(); + + nowtime /= NEWTICRATERATIO; + + if (nowtime > resptime) + { + resptime = nowtime; +#ifdef HAVE_THREADS + I_lock_mutex(&m_menu_mutex); +#endif + M_Ticker(); +#ifdef HAVE_THREADS + I_unlock_mutex(m_menu_mutex); +#endif + CON_Ticker(); + } + + FileSendTicker(); +} + +// called one time at init +void D_ClientServerInit(void) +{ + DEBFILE(va("- - -== SRB2 v%d.%.2d.%d "VERSIONSTRING" debugfile ==- - -\n", + VERSION/100, VERSION%100, SUBVERSION)); + + COM_AddCommand("getplayernum", Command_GetPlayerNum, COM_LUA); + COM_AddCommand("kick", Command_Kick, COM_LUA); + COM_AddCommand("ban", Command_Ban, COM_LUA); + COM_AddCommand("banip", Command_BanIP, COM_LUA); + COM_AddCommand("clearbans", Command_ClearBans, COM_LUA); + COM_AddCommand("showbanlist", Command_ShowBan, COM_LUA); + COM_AddCommand("reloadbans", Command_ReloadBan, COM_LUA); + COM_AddCommand("connect", Command_connect, COM_LUA); + COM_AddCommand("nodes", Command_Nodes, COM_LUA); + COM_AddCommand("resendgamestate", Command_ResendGamestate, COM_LUA); +#ifdef PACKETDROP + COM_AddCommand("drop", Command_Drop, COM_LUA); + COM_AddCommand("droprate", Command_Droprate, COM_LUA); +#endif +#ifdef _DEBUG + COM_AddCommand("numnodes", Command_Numnodes, COM_LUA); +#endif + + RegisterNetXCmd(XD_KICK, Got_KickCmd); + RegisterNetXCmd(XD_ADDPLAYER, Got_AddPlayer); +#ifdef DUMPCONSISTENCY + CV_RegisterVar(&cv_dumpconsistency); +#endif + Ban_Load_File(false); + + gametic = 0; + localgametic = 0; + + // do not send anything before the real begin + SV_StopServer(); + SV_ResetServer(); + if (dedicated) + SV_SpawnServer(); +} + +SINT8 nametonum(const char *name) +{ + INT32 playernum; + + if (!strcmp(name, "0")) + return 0; + + playernum = (SINT8)atoi(name); + + if (playernum < 0 || playernum >= MAXPLAYERS) + return -1; + + if (playernum) + { + if (playeringame[playernum]) + return (SINT8)playernum; + else + return -1; + } + + for (INT32 i = 0; i < MAXPLAYERS; i++) + if (playeringame[i] && !stricmp(player_names[i], name)) + return (SINT8)i; + + CONS_Printf(M_GetText("There is no player named \"%s\"\n"), name); + + return -1; +} + +// Is there a game running? +boolean Playing(void) +{ + return (server && serverrunning) || (client && cl_mode == CL_CONNECTED); +} + +/** Returns the number of players playing. + * \return Number of players. Can be zero if we're running a ::dedicated + * server. + * \author Graue + */ +INT32 D_NumPlayers(void) +{ + INT32 num = 0; + for (INT32 ix = 0; ix < MAXPLAYERS; ix++) + if (playeringame[ix]) + num++; + return num; +} + +/** Similar to the above, but counts only bots. + * Purpose is to remove bots from both the player count and the + * max player count on the server view +*/ +INT32 D_NumBots(void) +{ + INT32 num = 0, ix; + for (ix = 0; ix < MAXPLAYERS; ix++) + if (playeringame[ix] && players[ix].bot) + num++; + return num; +} + + +// +// Consistancy +// +// Note: It is called consistAncy on purpose. +// +INT16 Consistancy(void) +{ + UINT32 ret = 0; +#ifdef MOBJCONSISTANCY + thinker_t *th; + mobj_t *mo; +#endif + + DEBFILE(va("TIC %u ", gametic)); + + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + if (!playeringame[i]) + ret ^= 0xCCCC; + else if (!players[i].mo); + else + { + ret += players[i].mo->x; + ret -= players[i].mo->y; + ret += players[i].powers[pw_shield]; + ret *= i+1; + } + } + // I give up + // Coop desynching enemies is painful + if (!G_PlatformGametype()) + ret += P_GetRandSeed(); + +#ifdef MOBJCONSISTANCY + if (gamestate == GS_LEVEL) + { + for (th = thlist[THINK_MOBJ].next; th != &thlist[THINK_MOBJ]; th = th->next) + { + if (th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed) + continue; + + mo = (mobj_t *)th; + + if (mo->flags & (MF_SPECIAL | MF_SOLID | MF_PUSHABLE | MF_BOSS | MF_MISSILE | MF_SPRING | MF_MONITOR | MF_FIRE | MF_ENEMY | MF_PAIN | MF_STICKY)) + { + ret -= mo->type; + ret += mo->x; + ret -= mo->y; + ret += mo->z; + ret -= mo->momx; + ret += mo->momy; + ret -= mo->momz; + ret += mo->angle; + ret -= mo->flags; + ret += mo->flags2; + ret -= mo->eflags; + if (mo->target) + { + ret += mo->target->type; + ret -= mo->target->x; + ret += mo->target->y; + ret -= mo->target->z; + ret += mo->target->momx; + ret -= mo->target->momy; + ret += mo->target->momz; + ret -= mo->target->angle; + ret += mo->target->flags; + ret -= mo->target->flags2; + ret += mo->target->eflags; + ret -= mo->target->state - states; + ret += mo->target->tics; + ret -= mo->target->sprite; + ret += mo->target->frame; + } + else + ret ^= 0x3333; + if (mo->tracer && mo->tracer->type != MT_OVERLAY) + { + ret += mo->tracer->type; + ret -= mo->tracer->x; + ret += mo->tracer->y; + ret -= mo->tracer->z; + ret += mo->tracer->momx; + ret -= mo->tracer->momy; + ret += mo->tracer->momz; + ret -= mo->tracer->angle; + ret += mo->tracer->flags; + ret -= mo->tracer->flags2; + ret += mo->tracer->eflags; + ret -= mo->tracer->state - states; + ret += mo->tracer->tics; + ret -= mo->tracer->sprite; + ret += mo->tracer->frame; + } + else + ret ^= 0xAAAA; + ret -= mo->state - states; + ret += mo->tics; + ret -= mo->sprite; + ret += mo->frame; + } + } + } +#endif + + DEBFILE(va("Consistancy = %u\n", (ret & 0xFFFF))); + + return (INT16)(ret & 0xFFFF); +} + +tic_t GetLag(INT32 node) +{ + return gametic - netnodes[node].tic; +} + +void D_MD5PasswordPass(const UINT8 *buffer, size_t len, const char *salt, void *dest) +{ +#ifdef NOMD5 + (void)buffer; + (void)len; + (void)salt; + memset(dest, 0, 16); +#else + char tmpbuf[256]; + const size_t sl = strlen(salt); + + if (len > 256-sl) + len = 256-sl; + + memcpy(tmpbuf, buffer, len); + memmove(&tmpbuf[len], salt, sl); + //strcpy(&tmpbuf[len], salt); + len += strlen(salt); + if (len < 256) + memset(&tmpbuf[len],0,256-len); + + // Yes, we intentionally md5 the ENTIRE buffer regardless of size... + md5_buffer(tmpbuf, 256, dest); +#endif +} diff --git a/src/netcode/d_clisrv.h b/src/netcode/d_clisrv.h new file mode 100644 index 000000000..d87ead9ec --- /dev/null +++ b/src/netcode/d_clisrv.h @@ -0,0 +1,135 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file d_clisrv.h +/// \brief high level networking stuff + +#ifndef __D_CLISRV__ +#define __D_CLISRV__ + +#include "protocol.h" +#include "../d_ticcmd.h" +#include "d_net.h" +#include "d_netcmd.h" +#include "d_net.h" +#include "../tables.h" +#include "../d_player.h" +#include "mserv.h" + +#define CLIENTBACKUPTICS 32 + +#ifdef PACKETDROP +void Command_Drop(void); +void Command_Droprate(void); +#endif +#ifdef _DEBUG +void Command_Numnodes(void); +#endif + +extern INT32 mapchangepending; + +// Points inside doomcom +extern doomdata_t *netbuffer; + +#define BASEPACKETSIZE offsetof(doomdata_t, u) +#define BASESERVERTICSSIZE offsetof(doomdata_t, u.serverpak.cmds[0]) + +typedef enum +{ + KR_KICK = 1, //Kicked by server + KR_PINGLIMIT = 2, //Broke Ping Limit + KR_SYNCH = 3, //Synch Failure + KR_TIMEOUT = 4, //Connection Timeout + KR_BAN = 5, //Banned by server + KR_LEAVE = 6, //Quit the game + +} kickreason_t; + +/* the max number of name changes in some time period */ +#define MAXNAMECHANGES (5) +#define NAMECHANGERATE (60*TICRATE) + +extern boolean server; +extern boolean serverrunning; +#define client (!server) +extern boolean dedicated; // For dedicated server +extern UINT16 software_MAXPACKETLENGTH; +extern boolean acceptnewnode; +extern SINT8 servernode; +extern tic_t maketic; +extern tic_t neededtic; +extern INT16 consistancy[BACKUPTICS]; + +void Command_Ping_f(void); +extern tic_t connectiontimeout; +extern UINT16 pingmeasurecount; +extern UINT32 realpingtable[MAXPLAYERS]; +extern UINT32 playerpingtable[MAXPLAYERS]; +extern tic_t servermaxping; + +extern consvar_t cv_netticbuffer, cv_resynchattempts, cv_blamecfail, cv_playbackspeed, cv_dedicatedidletime; + +// Used in d_net, the only dependence +void D_ClientServerInit(void); + +// Create any new ticcmds and broadcast to other players. +void NetUpdate(void); + +// Maintain connections to nodes without timing them all out. +void NetKeepAlive(void); + +void GetPackets(void); +void ResetNode(INT32 node); +INT16 Consistancy(void); + +void SV_StartSinglePlayerServer(void); +void SV_SpawnServer(void); +void SV_StopServer(void); +void SV_ResetServer(void); +void CL_AddSplitscreenPlayer(void); +void CL_RemoveSplitscreenPlayer(void); +void CL_Reset(void); +void CL_ClearPlayer(INT32 playernum); +void CL_RemovePlayer(INT32 playernum, kickreason_t reason); +void CL_HandleTimeout(void); +// Is there a game running +boolean Playing(void); + +// Broadcasts special packets to other players +// to notify of game exit +void D_QuitNetGame(void); + +//? How many ticks to run? +boolean TryRunTics(tic_t realtic); + +// extra data for lmps +// these functions scare me. they contain magic. +/*boolean AddLmpExtradata(UINT8 **demo_p, INT32 playernum); +void ReadLmpExtraData(UINT8 **demo_pointer, INT32 playernum);*/ + +// translate a playername in a player number return -1 if not found and +// print a error message in the console +SINT8 nametonum(const char *name); + +extern char motd[254], server_context[8]; +extern UINT8 playernode[MAXPLAYERS]; + +INT32 D_NumPlayers(void); +INT32 D_NumBots(void); + +tic_t GetLag(INT32 node); + +void D_MD5PasswordPass(const UINT8 *buffer, size_t len, const char *salt, void *dest); + +extern UINT8 adminpassmd5[16]; +extern boolean adminpasswordset; + +extern boolean hu_stopped; + +#endif diff --git a/src/d_net.c b/src/netcode/d_net.c similarity index 93% rename from src/d_net.c rename to src/netcode/d_net.c index 6d8c72942..cfb1963b9 100644 --- a/src/d_net.c +++ b/src/netcode/d_net.c @@ -16,19 +16,21 @@ /// This protocol uses a mix of "goback n" and "selective repeat" implementation /// The NOTHING packet is sent when connection is idle to acknowledge packets -#include "doomdef.h" -#include "g_game.h" -#include "i_time.h" +#include "../doomdef.h" +#include "../g_game.h" +#include "../i_time.h" #include "i_net.h" -#include "i_system.h" -#include "m_argv.h" +#include "../i_system.h" +#include "../m_argv.h" #include "d_net.h" -#include "w_wad.h" +#include "../w_wad.h" #include "d_netfil.h" #include "d_clisrv.h" -#include "z_zone.h" +#include "tic_command.h" +#include "net_command.h" +#include "../z_zone.h" #include "i_tcp.h" -#include "d_main.h" // srb2home +#include "../d_main.h" // srb2home // // NETWORKING @@ -138,7 +140,6 @@ boolean Net_GetNetStat(void) #define URGENTFREESLOTNUM 10 #define ACKTOSENDTIMEOUT (TICRATE/11) -#ifndef NONET typedef struct { UINT8 acknum; @@ -152,7 +153,6 @@ typedef struct doomdata_t data; } pak; } ackpak_t; -#endif typedef enum { @@ -160,10 +160,8 @@ typedef enum NF_TIMEOUT = 2, // Flag is set when the node got a timeout } node_flags_t; -#ifndef NONET // Table of packets that were not acknowleged can be resent (the sender window) static ackpak_t ackpak[MAXACKPACKETS]; -#endif typedef struct { @@ -191,7 +189,6 @@ typedef struct static node_t nodes[MAXNETNODES]; #define NODETIMEOUT 14 -#ifndef NONET // return <0 if a < b (mod 256) // 0 if a = n (mod 256) // >0 if a > b (mod 256) @@ -214,7 +211,7 @@ FUNCMATH static INT32 cmpack(UINT8 a, UINT8 b) static boolean GetFreeAcknum(UINT8 *freeack, boolean lowtimer) { node_t *node = &nodes[doomcom->remotenode]; - INT32 i, numfreeslot = 0; + INT32 numfreeslot = 0; if (cmpack((UINT8)((node->remotefirstack + MAXACKTOSEND) % 256), node->nextacknum) < 0) { @@ -222,7 +219,7 @@ static boolean GetFreeAcknum(UINT8 *freeack, boolean lowtimer) return false; } - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) if (!ackpak[i].acknum) { // For low priority packets, make sure to let freeslots so urgent packets can be sent @@ -279,10 +276,10 @@ static boolean GetFreeAcknum(UINT8 *freeack, boolean lowtimer) */ INT32 Net_GetFreeAcks(boolean urgent) { - INT32 i, numfreeslot = 0; + INT32 numfreeslot = 0; INT32 n = 0; // Number of free acks found - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) if (!ackpak[i].acknum) { // For low priority packets, make sure to let freeslots so urgent packets can be sent @@ -318,7 +315,6 @@ static void RemoveAck(INT32 i) // We have got a packet, proceed the ack request and ack return static boolean Processackpak(void) { - INT32 i; boolean goodpacket = true; node_t *node = &nodes[doomcom->remotenode]; @@ -327,7 +323,7 @@ static boolean Processackpak(void) { node->remotefirstack = netbuffer->ackreturn; // Search the ackbuffer and free it - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) if (ackpak[i].acknum && ackpak[i].destinationnode == node - nodes && cmpack(ackpak[i].acknum, netbuffer->ackreturn) <= 0) { @@ -349,7 +345,7 @@ static boolean Processackpak(void) else { // Check if it is not already in the queue - for (i = node->acktosend_tail; i != node->acktosend_head; i = (i+1) % MAXACKTOSEND) + for (INT32 i = node->acktosend_tail; i != node->acktosend_head; i = (i+1) % MAXACKTOSEND) if (node->acktosend[i] == ack) { DEBFILE(va("Discard(2) ack %d (duplicated)\n", ack)); @@ -377,7 +373,7 @@ static boolean Processackpak(void) while (change) { change = false; - for (i = node->acktosend_tail; i != node->acktosend_head; + for (INT32 i = node->acktosend_tail; i != node->acktosend_head; i = (i+1) % MAXACKTOSEND) { if (cmpack(node->acktosend[i], nextfirstack) <= 0) @@ -426,28 +422,20 @@ static boolean Processackpak(void) } return goodpacket; } -#endif // send special packet with only ack on it void Net_SendAcks(INT32 node) { -#ifdef NONET - (void)node; -#else netbuffer->packettype = PT_NOTHING; M_Memcpy(netbuffer->u.textcmd, nodes[node].acktosend, MAXACKTOSEND); HSendPacket(node, false, 0, MAXACKTOSEND); -#endif } -#ifndef NONET static void GotAcks(void) { - INT32 i, j; - - for (j = 0; j < MAXACKTOSEND; j++) + for (INT32 j = 0; j < MAXACKTOSEND; j++) if (netbuffer->u.textcmd[j]) - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) if (ackpak[i].acknum && ackpak[i].destinationnode == doomcom->remotenode) { if (ackpak[i].acknum == netbuffer->u.textcmd[j]) @@ -463,7 +451,6 @@ static void GotAcks(void) } } } -#endif void Net_ConnectionTimeout(INT32 node) { @@ -472,14 +459,10 @@ void Net_ConnectionTimeout(INT32 node) return; nodes[node].flags |= NF_TIMEOUT; - // Send a very special packet to self (hack the reboundstore queue) - // Main code will handle it - reboundstore[rebound_head].packettype = PT_NODETIMEOUT; - reboundstore[rebound_head].ack = 0; - reboundstore[rebound_head].ackreturn = 0; - reboundstore[rebound_head].u.textcmd[0] = (UINT8)node; - reboundsize[rebound_head] = (INT16)(BASEPACKETSIZE + 1); - rebound_head = (rebound_head+1) % MAXREBOUND; + if (server) + SendKicksForNode(node, KICK_MSG_TIMEOUT | KICK_MSG_KEEP_BODY); + else + CL_HandleTimeout(); // Do not redo it quickly (if we do not close connection it is // for a good reason!) @@ -489,10 +472,8 @@ void Net_ConnectionTimeout(INT32 node) // Resend the data if needed void Net_AckTicker(void) { -#ifndef NONET - INT32 i; - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) { const INT32 nodei = ackpak[i].destinationnode; node_t *node = &nodes[nodei]; @@ -519,7 +500,7 @@ void Net_AckTicker(void) } } - for (i = 1; i < MAXNETNODES; i++) + for (INT32 i = 1; i < MAXNETNODES; i++) { // This is something like node open flag if (nodes[i].firstacktosend) @@ -536,16 +517,12 @@ void Net_AckTicker(void) } } } -#endif } // Remove last packet received ack before resending the ackreturn // (the higher layer doesn't have room, or something else ....) void Net_UnAcknowledgePacket(INT32 node) { -#ifdef NONET - (void)node; -#else INT32 hm1 = (nodes[node].acktosend_head-1+MAXACKTOSEND) % MAXACKTOSEND; DEBFILE(va("UnAcknowledge node %d\n", node)); if (!node) @@ -577,10 +554,8 @@ void Net_UnAcknowledgePacket(INT32 node) if (!nodes[node].firstacktosend) nodes[node].firstacktosend = 1; } -#endif } -#ifndef NONET /** Checks if all acks have been received * * \return True if all acks have been received @@ -588,15 +563,12 @@ void Net_UnAcknowledgePacket(INT32 node) */ static boolean Net_AllAcksReceived(void) { - INT32 i; - - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) if (ackpak[i].acknum) return false; return true; } -#endif /** Waits for all ackreturns * @@ -605,9 +577,6 @@ static boolean Net_AllAcksReceived(void) */ void Net_WaitAllAckReceived(UINT32 timeout) { -#ifdef NONET - (void)timeout; -#else tic_t tictac = I_GetTime(); timeout = tictac + timeout*NEWTICRATE; @@ -623,7 +592,6 @@ void Net_WaitAllAckReceived(UINT32 timeout) HGetPacket(); Net_AckTicker(); } -#endif } static void InitNode(node_t *node) @@ -637,14 +605,10 @@ static void InitNode(node_t *node) static void InitAck(void) { - INT32 i; - -#ifndef NONET - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) ackpak[i].acknum = 0; -#endif - for (i = 0; i < MAXNETNODES; i++) + for (INT32 i = 0; i < MAXNETNODES; i++) InitNode(&nodes[i]); } @@ -655,17 +619,12 @@ static void InitAck(void) */ void Net_AbortPacketType(UINT8 packettype) { -#ifdef NONET - (void)packettype; -#else - INT32 i; - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) if (ackpak[i].acknum && (ackpak[i].pak.data.packettype == packettype || packettype == UINT8_MAX)) { ackpak[i].acknum = 0; } -#endif } // ----------------------------------------------------------------- @@ -675,10 +634,6 @@ void Net_AbortPacketType(UINT8 packettype) // remove a node, clear all ack from this node and reset askret void Net_CloseConnection(INT32 node) { -#ifdef NONET - (void)node; -#else - INT32 i; boolean forceclose = (node & FORCECLOSE) != 0; if (node == -1) @@ -708,7 +663,7 @@ void Net_CloseConnection(INT32 node) } // check if we are waiting for an ack from this node - for (i = 0; i < MAXACKPACKETS; i++) + for (INT32 i = 0; i < MAXACKPACKETS; i++) if (ackpak[i].acknum && ackpak[i].destinationnode == node) { if (!forceclose) @@ -722,10 +677,8 @@ void Net_CloseConnection(INT32 node) if (server) SV_AbortLuaFileTransfer(node); I_NetFreeNodenum(node); -#endif } -#ifndef NONET // // Checksum // @@ -734,23 +687,20 @@ static UINT32 NetbufferChecksum(void) UINT32 c = 0x1234567; const INT32 l = doomcom->datalength - 4; const UINT8 *buf = (UINT8 *)netbuffer + 4; - INT32 i; - for (i = 0; i < l; i++, buf++) + for (INT32 i = 0; i < l; i++, buf++) c += (*buf) * (i+1); return LONG(c); } -#endif #ifdef DEBUGFILE static void fprintfstring(char *s, size_t len) { INT32 mode = 0; - size_t i; - for (i = 0; i < len; i++) + for (size_t i = 0; i < len; i++) if (s[i] < 32) { if (!mode) @@ -810,6 +760,8 @@ static const char *packettypename[NUMPACKETTYPE] = "ASKLUAFILE", "HASLUAFILE", + "PT_BASICKEEPALIVE", + "FILEFRAGMENT", "FILEACK", "FILERECEIVED", @@ -817,7 +769,6 @@ static const char *packettypename[NUMPACKETTYPE] = "TEXTCMD", "TEXTCMD2", "CLIENTJOIN", - "NODETIMEOUT", "LOGIN", "TELLFILESNEEDED", "MOREFILESNEEDED", @@ -921,7 +872,6 @@ void Command_Drop(void) { INT32 packetquantity; const char *packetname; - size_t i; if (COM_Argc() < 2) { @@ -951,11 +901,11 @@ void Command_Drop(void) packetname = COM_Argv(1); if (!(stricmp(packetname, "all") && stricmp(packetname, "any"))) - for (i = 0; i < NUMPACKETTYPE; i++) + for (size_t i = 0; i < NUMPACKETTYPE; i++) packetdropquantity[i] = packetquantity; else { - for (i = 0; i < NUMPACKETTYPE; i++) + for (size_t i = 0; i < NUMPACKETTYPE; i++) if (!stricmp(packetname, packettypename[i])) { packetdropquantity[i] = packetquantity; @@ -986,14 +936,12 @@ void Command_Droprate(void) packetdroprate = droprate; } -#ifndef NONET static boolean ShouldDropPacket(void) { return (packetdropquantity[netbuffer->packettype]) || (packetdroprate != 0 && rand() < (RAND_MAX * (packetdroprate / 100.f))) || packetdroprate == 100; } #endif -#endif // // HSendPacket @@ -1028,11 +976,6 @@ boolean HSendPacket(INT32 node, boolean reliable, UINT8 acknum, size_t packetlen if (!netgame) I_Error("Tried to transmit to another node"); -#ifdef NONET - (void)node; - (void)reliable; - (void)acknum; -#else // do this before GetFreeAcknum because this function backups // the current packet doomcom->remotenode = (INT16)node; @@ -1093,8 +1036,6 @@ boolean HSendPacket(INT32 node, boolean reliable, UINT8 acknum, size_t packetlen } #endif -#endif // ndef NONET - return true; } @@ -1112,10 +1053,7 @@ boolean HGetPacket(void) { M_Memcpy(netbuffer, &reboundstore[rebound_tail], reboundsize[rebound_tail]); doomcom->datalength = reboundsize[rebound_tail]; - if (netbuffer->packettype == PT_NODETIMEOUT) - doomcom->remotenode = netbuffer->u.textcmd[0]; - else - doomcom->remotenode = 0; + doomcom->remotenode = 0; rebound_tail = (rebound_tail+1) % MAXREBOUND; #ifdef DEBUGFILE @@ -1128,8 +1066,6 @@ boolean HGetPacket(void) if (!netgame) return false; -#ifndef NONET - while(true) { //nodejustjoined = I_NetGet(); @@ -1189,7 +1125,6 @@ boolean HGetPacket(void) } break; } -#endif // ndef NONET return true; } @@ -1399,13 +1334,12 @@ void Command_Ping_f(void) int name_width = 0; int ms_width = 0; - int n; - INT32 i; - pingc = 0; - for (i = 1; i < MAXPLAYERS; ++i) + for (INT32 i = 1; i < MAXPLAYERS; ++i) if (playeringame[i]) { + int n; + n = strlen(player_names[i]); if (n > name_width) name_width = n; @@ -1425,7 +1359,7 @@ void Command_Ping_f(void) qsort(pingv, pingc, sizeof (struct pingcell), &pingcellcmp); - for (i = 0; i < pingc; ++i) + for (INT32 i = 0; i < pingc; ++i) { CONS_Printf("%02d : %-*s %*d ms\n", pingv[i].num, @@ -1441,15 +1375,13 @@ void Command_Ping_f(void) void D_CloseConnection(void) { - INT32 i; - if (netgame) { // wait the ackreturn with timout of 5 Sec Net_WaitAllAckReceived(5); // close all connection - for (i = 0; i < MAXNETNODES; i++) + for (INT32 i = 0; i < MAXNETNODES; i++) Net_CloseConnection(i|FORCECLOSE); InitAck(); diff --git a/src/d_net.h b/src/netcode/d_net.h similarity index 74% rename from src/d_net.h rename to src/netcode/d_net.h index ddedbef4a..549f2b93c 100644 --- a/src/d_net.h +++ b/src/netcode/d_net.h @@ -18,6 +18,8 @@ #ifndef __D_NET__ #define __D_NET__ +#include "../doomtype.h" + // Max computers in a game // 127 is probably as high as this can go, because // SINT8 is used for nodes sometimes >:( @@ -37,10 +39,24 @@ boolean Net_GetNetStat(void); extern INT32 getbytes; extern INT64 sendbytes; // Realtime updated -extern SINT8 nodetoplayer[MAXNETNODES]; -extern SINT8 nodetoplayer2[MAXNETNODES]; // Say the numplayer for this node if any (splitscreen) -extern UINT8 playerpernode[MAXNETNODES]; // Used specially for splitscreen -extern boolean nodeingame[MAXNETNODES]; // Set false as nodes leave game +typedef struct netnode_s +{ + boolean ingame; // set false as nodes leave game + tic_t freezetimeout; // Until when can this node freeze the server before getting a timeout? + + SINT8 player; + SINT8 player2; // say the numplayer for this node if any (splitscreen) + UINT8 numplayers; // used specialy for scplitscreen + + tic_t tic; // what tic the client have received + tic_t supposedtic; // nettics prevision for smaller packet + + boolean sendingsavegame; // Are we sending the savegame? + boolean resendingsavegame; // Are we resending the savegame? + tic_t savegameresendcooldown; // How long before we can resend again? +} netnode_t; + +extern netnode_t netnodes[MAXNETNODES]; extern boolean serverrunning; @@ -52,9 +68,6 @@ boolean HSendPacket(INT32 node, boolean reliable, UINT8 acknum, size_t packetlength); boolean HGetPacket(void); void D_SetDoomcom(void); -#ifndef NONET -void D_SaveBan(void); -#endif boolean D_CheckNetGame(void); void D_CloseConnection(void); void Net_UnAcknowledgePacket(INT32 node); diff --git a/src/d_netcmd.c b/src/netcode/d_netcmd.c similarity index 99% rename from src/d_netcmd.c rename to src/netcode/d_netcmd.c index d0f6e1a75..5afa95561 100644 --- a/src/d_netcmd.c +++ b/src/netcode/d_netcmd.c @@ -12,44 +12,46 @@ /// commands are executed through the command buffer /// like console commands, other miscellaneous commands (at the end) -#include "doomdef.h" +#include "../doomdef.h" -#include "console.h" -#include "command.h" -#include "i_time.h" -#include "i_system.h" -#include "g_game.h" -#include "hu_stuff.h" -#include "g_input.h" -#include "m_menu.h" -#include "r_local.h" -#include "r_skins.h" -#include "p_local.h" -#include "p_setup.h" -#include "s_sound.h" -#include "i_sound.h" -#include "m_misc.h" -#include "am_map.h" -#include "byteptr.h" +#include "../console.h" +#include "../command.h" +#include "../i_time.h" +#include "../i_system.h" +#include "../g_game.h" +#include "../hu_stuff.h" +#include "../g_input.h" +#include "../m_menu.h" +#include "../r_local.h" +#include "../r_skins.h" +#include "../p_local.h" +#include "../p_setup.h" +#include "../s_sound.h" +#include "../i_sound.h" +#include "../m_misc.h" +#include "../am_map.h" +#include "../byteptr.h" #include "d_netfil.h" -#include "p_spec.h" -#include "m_cheat.h" +#include "../p_spec.h" +#include "../m_cheat.h" #include "d_clisrv.h" +#include "server_connection.h" +#include "net_command.h" #include "d_net.h" -#include "v_video.h" -#include "d_main.h" -#include "m_random.h" -#include "f_finale.h" -#include "filesrch.h" +#include "../v_video.h" +#include "../d_main.h" +#include "../m_random.h" +#include "../f_finale.h" +#include "../filesrch.h" #include "mserv.h" -#include "z_zone.h" -#include "lua_script.h" -#include "lua_hook.h" -#include "m_cond.h" -#include "m_anigif.h" -#include "md5.h" -#include "m_perfstats.h" -#include "u_list.h" +#include "../z_zone.h" +#include "../lua_script.h" +#include "../lua_hook.h" +#include "../m_cond.h" +#include "../m_anigif.h" +#include "../md5.h" +#include "../m_perfstats.h" +#include "../u_list.h" #ifdef NETGAME_DEVMODE #define CV_RESTRICT CV_NETVAR @@ -595,13 +597,10 @@ void D_RegisterServerCommands(void) CV_RegisterVar(&cv_maxsend); CV_RegisterVar(&cv_noticedownload); CV_RegisterVar(&cv_downloadspeed); -#ifndef NONET CV_RegisterVar(&cv_allownewplayer); - CV_RegisterVar(&cv_joinnextround); CV_RegisterVar(&cv_showjoinaddress); CV_RegisterVar(&cv_blamecfail); CV_RegisterVar(&cv_dedicatedidletime); -#endif COM_AddCommand("ping", Command_Ping_f, COM_LUA); CV_RegisterVar(&cv_nettimeout); @@ -1742,8 +1741,7 @@ void D_MapChange(INT32 mapnum, INT32 newgametype, boolean pultmode, boolean rese // reset players if there is a new one if (!IsPlayerAdmin(consoleplayer)) { - if (SV_SpawnServer()) - buf[0] &= ~(1<<1); + SV_SpawnServer(); if (!Playing()) // you failed to start a server somehow, so cancel the map change return; } diff --git a/src/d_netcmd.h b/src/netcode/d_netcmd.h similarity index 99% rename from src/d_netcmd.h rename to src/netcode/d_netcmd.h index 8bbc801d0..4849079d0 100644 --- a/src/d_netcmd.h +++ b/src/netcode/d_netcmd.h @@ -15,7 +15,7 @@ #ifndef __D_NETCMD__ #define __D_NETCMD__ -#include "command.h" +#include "../command.h" // console vars extern consvar_t cv_playername; diff --git a/src/d_netfil.c b/src/netcode/d_netfil.c similarity index 93% rename from src/d_netfil.c rename to src/netcode/d_netfil.c index 3fef75681..c5ddef7b6 100644 --- a/src/d_netfil.c +++ b/src/netcode/d_netfil.c @@ -31,24 +31,25 @@ #include #endif -#include "doomdef.h" -#include "doomstat.h" -#include "d_main.h" -#include "g_game.h" -#include "i_time.h" +#include "../doomdef.h" +#include "../doomstat.h" +#include "../d_main.h" +#include "../g_game.h" +#include "../i_time.h" #include "i_net.h" -#include "i_system.h" -#include "m_argv.h" +#include "../i_system.h" +#include "../m_argv.h" #include "d_net.h" -#include "w_wad.h" +#include "../w_wad.h" #include "d_netfil.h" -#include "z_zone.h" -#include "byteptr.h" -#include "p_setup.h" -#include "m_misc.h" -#include "m_menu.h" -#include "md5.h" -#include "filesrch.h" +#include "net_command.h" +#include "../z_zone.h" +#include "../byteptr.h" +#include "../p_setup.h" +#include "../m_misc.h" +#include "../m_menu.h" +#include "../md5.h" +#include "../filesrch.h" #include @@ -103,26 +104,31 @@ typedef struct } pauseddownload_t; static pauseddownload_t *pauseddownload = NULL; -#ifndef NONET // for cl loading screen INT32 lastfilenum = -1; INT32 downloadcompletednum = 0; UINT32 downloadcompletedsize = 0; INT32 totalfilesrequestednum = 0; UINT32 totalfilesrequestedsize = 0; -#endif luafiletransfer_t *luafiletransfers = NULL; boolean waitingforluafiletransfer = false; boolean waitingforluafilecommand = false; char luafiledir[256 + 16] = "luafiles"; +// max file size to send to a player (in kilobytes) +static CV_PossibleValue_t maxsend_cons_t[] = {{0, "MIN"}, {204800, "MAX"}, {0, NULL}}; +consvar_t cv_maxsend = CVAR_INIT ("maxsend", "4096", CV_SAVE|CV_NETVAR, maxsend_cons_t, NULL); + +consvar_t cv_noticedownload = CVAR_INIT ("noticedownload", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); + +// Speed of file downloading (in packets per tic) +static CV_PossibleValue_t downloadspeed_cons_t[] = {{1, "MIN"}, {300, "MAX"}, {0, NULL}}; +consvar_t cv_downloadspeed = CVAR_INIT ("downloadspeed", "16", CV_SAVE|CV_NETVAR, downloadspeed_cons_t, NULL); static UINT16 GetWadNumFromFileNeededId(UINT8 id) { - UINT16 wadnum; - - for (wadnum = mainwads; wadnum < numwadfiles; wadnum++) + for (UINT16 wadnum = mainwads; wadnum < numwadfiles; wadnum++) { if (!wadfiles[wadnum]->important) continue; @@ -142,14 +148,13 @@ static UINT16 GetWadNumFromFileNeededId(UINT8 id) */ UINT8 *PutFileNeeded(UINT16 firstfile) { - size_t i; UINT8 count = 0; UINT8 *p_start = netbuffer->packettype == PT_MOREFILESNEEDED ? netbuffer->u.filesneededcfg.files : netbuffer->u.serverinfo.fileneeded; UINT8 *p = p_start; char wadfilename[MAX_WADPATH] = ""; UINT8 filestatus, folder; - for (i = mainwads; i < numwadfiles; i++) //mainwads, otherwise we start on the first mainwad + for (size_t i = mainwads; i < numwadfiles; i++) //mainwads, otherwise we start on the first mainwad { // If it has only music/sound lumps, don't put it in the list if (!wadfiles[i]->important) @@ -224,7 +229,6 @@ void FreeFileNeeded(void) */ void D_ParseFileneeded(INT32 fileneedednum_parm, UINT8 *fileneededstr, UINT16 firstfile) { - INT32 i; UINT8 *p; UINT8 filestatus; @@ -233,7 +237,7 @@ void D_ParseFileneeded(INT32 fileneedednum_parm, UINT8 *fileneededstr, UINT16 fi AllocFileNeeded(fileneedednum); - for (i = firstfile; i < fileneedednum; i++) + for (INT32 i = firstfile; i < fileneedednum; i++) { fileneeded[i].type = FILENEEDED_WAD; fileneeded[i].status = FS_NOTCHECKED; // We haven't even started looking for the file yet @@ -250,9 +254,7 @@ void D_ParseFileneeded(INT32 fileneedednum_parm, UINT8 *fileneededstr, UINT16 fi void CL_PrepareDownloadSaveGame(const char *tmpsave) { -#ifndef NONET lastfilenum = -1; -#endif FreeFileNeeded(); AllocFileNeeded(1); @@ -275,9 +277,9 @@ void CL_PrepareDownloadSaveGame(const char *tmpsave) */ boolean CL_CheckDownloadable(void) { - UINT8 i,dlstatus = 0; + UINT8 dlstatus = 0; - for (i = 0; i < fileneedednum; i++) + for (UINT8 i = 0; i < fileneedednum; i++) if (fileneeded[i].status != FS_FOUND && fileneeded[i].status != FS_OPEN) { if (fileneeded[i].willsend == 1) @@ -298,7 +300,7 @@ boolean CL_CheckDownloadable(void) // not downloadable, put reason in console CONS_Alert(CONS_NOTICE, M_GetText("You need additional files to connect to this server:\n")); - for (i = 0; i < fileneedednum; i++) + for (UINT8 i = 0; i < fileneedednum; i++) if (fileneeded[i].status != FS_FOUND && fileneeded[i].status != FS_OPEN) { CONS_Printf(" * \"%s\" (%dK)", fileneeded[i].filename, fileneeded[i].totalsize >> 10); @@ -368,14 +370,13 @@ void CL_AbortDownloadResume(void) boolean CL_SendFileRequest(void) { char *p; - INT32 i; INT64 totalfreespaceneeded = 0, availablefreespace; #ifdef PARANOIA if (M_CheckParm("-nodownload")) I_Error("Attempted to download files in -nodownload mode"); - for (i = 0; i < fileneedednum; i++) + for (INT32 i = 0; i < fileneedednum; i++) if (fileneeded[i].status != FS_FOUND && fileneeded[i].status != FS_OPEN && (fileneeded[i].willsend == 0 || fileneeded[i].willsend == 2)) { @@ -385,7 +386,7 @@ boolean CL_SendFileRequest(void) netbuffer->packettype = PT_REQUESTFILE; p = (char *)netbuffer->u.textcmd; - for (i = 0; i < fileneedednum; i++) + for (INT32 i = 0; i < fileneedednum; i++) if ((fileneeded[i].status == FS_NOTFOUND || fileneeded[i].status == FS_MD5SUMBAD)) { totalfreespaceneeded += fileneeded[i].totalsize; @@ -413,26 +414,31 @@ boolean CL_SendFileRequest(void) } // get request filepak and put it on the send queue -// returns false if a requested file was not found or cannot be sent -boolean PT_RequestFile(INT32 node) +void PT_RequestFile(SINT8 node) { UINT8 *p = netbuffer->u.textcmd; - UINT8 id; + + if (client || !cv_downloading.value) + { + Net_CloseConnection(node); // close connection if you are not the server or disabled downloading + return; + } while (p < netbuffer->u.textcmd + MAXTEXTCMD-1) // Don't allow hacked client to overflow { - id = READUINT8(p); + UINT8 id = READUINT8(p); if (id == 0xFF) break; if (!AddFileToSendQueue(node, id)) { SV_AbortSendFiles(node); - return false; // don't read the rest of the files + Net_CloseConnection(node); // close connection if one of the requested files could not be sent + return; // don't read the rest of the files } } - return true; // no problems with any files + return; // no problems with any files } /** Checks if the files needed aren't already loaded or on the disk @@ -531,9 +537,7 @@ INT32 CL_CheckFiles(void) // Load it now boolean CL_LoadServerFiles(void) { - INT32 i; - - for (i = 0; i < fileneedednum; i++) + for (INT32 i = 0; i < fileneedednum; i++) { if (fileneeded[i].status == FS_OPEN) continue; // Already loaded @@ -629,11 +633,10 @@ void AddLuaFileTransfer(const char *filename, const char *mode) static void SV_PrepareSendLuaFileToNextNode(void) { - INT32 i; UINT8 success = 1; // Find a client to send the file to - for (i = 1; i < MAXNETNODES; i++) + for (INT32 i = 1; i < MAXNETNODES; i++) if (luafiletransfers->nodestatus[i] == LFTNS_WAITING) // Node waiting { // Tell the client we're about to send them the file @@ -655,13 +658,12 @@ static void SV_PrepareSendLuaFileToNextNode(void) void SV_PrepareSendLuaFile(void) { char *binfilename; - INT32 i; luafiletransfers->ongoing = true; // Set status to "waiting" for everyone - for (i = 0; i < MAXNETNODES; i++) - luafiletransfers->nodestatus[i] = (nodeingame[i] ? LFTNS_WAITING : LFTNS_NONE); + for (INT32 i = 0; i < MAXNETNODES; i++) + luafiletransfers->nodestatus[i] = (netnodes[i].ingame ? LFTNS_WAITING : LFTNS_NONE); if (FIL_ReadFileOK(luafiletransfers->realfilename)) { @@ -1137,12 +1139,13 @@ void FileSendTicker(void) } } -void PT_FileAck(void) +void PT_FileAck(SINT8 node) { fileack_pak *packet = &netbuffer->u.fileack; - INT32 node = doomcom->remotenode; filetran_t *trans = &transfer[node]; - INT32 i, j; + + if (client) + return; // Wrong file id? Ignore it, it's probably a late packet if (!(trans->txlist && packet->fileid == trans->txlist->fileid)) @@ -1161,11 +1164,11 @@ void PT_FileAck(void) trans->dontsenduntil = 0; } - for (i = 0; i < packet->numsegments; i++) + for (INT32 i = 0; i < packet->numsegments; i++) { fileacksegment_t *segment = &packet->segments[i]; - for (j = 0; j < 32; j++) + for (INT32 j = 0; j < 32; j++) if (LONG(segment->acks) & (1 << j)) { if (LONG(segment->start) * FILEFRAGMENTSIZE >= trans->txlist->size) @@ -1190,24 +1193,23 @@ void PT_FileAck(void) } } -void PT_FileReceived(void) +void PT_FileReceived(SINT8 node) { - filetx_t *trans = transfer[doomcom->remotenode].txlist; + filetx_t *trans = transfer[node].txlist; - if (trans && netbuffer->u.filereceived == trans->fileid) - SV_EndFileSend(doomcom->remotenode); + if (server && trans && netbuffer->u.filereceived == trans->fileid) + SV_EndFileSend(node); } static void SendAckPacket(fileack_pak *packet, UINT8 fileid) { size_t packetsize; - INT32 i; packetsize = sizeof(*packet) + packet->numsegments * sizeof(*packet->segments); // Finalise the packet packet->fileid = fileid; - for (i = 0; i < packet->numsegments; i++) + for (INT32 i = 0; i < packet->numsegments; i++) { packet->segments[i].start = LONG(packet->segments[i].start); packet->segments[i].acks = LONG(packet->segments[i].acks); @@ -1247,9 +1249,7 @@ static void AddFragmentToAckPacket(fileack_pak *packet, UINT8 iteration, UINT32 void FileReceiveTicker(void) { - INT32 i; - - for (i = 0; i < fileneedednum; i++) + for (INT32 i = 0; i < fileneedednum; i++) { fileneeded_t *file = &fileneeded[i]; @@ -1263,8 +1263,7 @@ void FileReceiveTicker(void) if (file->ackresendposition != UINT32_MAX && file->status == FS_DOWNLOADING) { // Acknowledge ~70 MB/s, whichs means the client sends ~18 KB/s - INT32 j; - for (j = 0; j < 2048; j++) + for (INT32 j = 0; j < 2048; j++) { if (file->receivedfragments[file->ackresendposition]) AddFragmentToAckPacket(file->ackpacket, file->iteration, file->ackresendposition, i); @@ -1281,8 +1280,27 @@ void FileReceiveTicker(void) } } -void PT_FileFragment(void) +void PT_FileFragment(SINT8 node, INT32 netconsole) { + if (netnodes[node].ingame) + { + // Only accept PT_FILEFRAGMENT from the server. + if (node != servernode) + { + CONS_Alert(CONS_WARNING, M_GetText("%s received from non-host %d\n"), "PT_FILEFRAGMENT", node); + if (server) + SendKick(netconsole, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); + return; + } + if (server) + return; + } + else if (server || node != servernode) + { + Net_CloseConnection(node); + return; + } + INT32 filenum = netbuffer->u.filetxpak.fileid; fileneeded_t *file = &fileneeded[filenum]; UINT32 fragmentpos = LONG(netbuffer->u.filetxpak.position); @@ -1439,9 +1457,7 @@ void PT_FileFragment(void) I_Error("Received a file not requested (file id: %d, file status: %s)\n", filenum, s); } -#ifndef NONET lastfilenum = filenum; -#endif } /** \brief Checks if a node is downloading a file @@ -1469,15 +1485,14 @@ void SV_AbortSendFiles(INT32 node) void CloseNetFile(void) { - INT32 i; // Is sending? - for (i = 0; i < MAXNETNODES; i++) + for (INT32 i = 0; i < MAXNETNODES; i++) SV_AbortSendFiles(i); // Receiving a file? if (fileneeded) { - for (i = 0; i < fileneedednum; i++) + for (INT32 i = 0; i < fileneedednum; i++) if (fileneeded[i].status == FS_DOWNLOADING && fileneeded[i].file) { fclose(fileneeded[i].file); @@ -1510,9 +1525,7 @@ void CloseNetFile(void) void Command_Downloads_f(void) { - INT32 node; - - for (node = 0; node < MAXNETNODES; node++) + for (INT32 node = 0; node < MAXNETNODES; node++) if (transfer[node].txlist && transfer[node].txlist->ram == SF_FILE) // Node is downloading a file? { @@ -1546,14 +1559,11 @@ void Command_Downloads_f(void) void nameonly(char *s) { - size_t j, len; - void *ns; - - for (j = strlen(s); j != (size_t)-1; j--) + for (size_t j = strlen(s); j != (size_t)-1; j--) if ((s[j] == '\\') || (s[j] == ':') || (s[j] == '/')) { - ns = &(s[j+1]); - len = strlen(ns); + void *ns = &(s[j+1]); + size_t len = strlen(ns); #if 0 M_Memcpy(s, ns, len+1); #else @@ -1566,9 +1576,9 @@ void nameonly(char *s) // Returns the length in characters of the last element of a path. size_t nameonlylength(const char *s) { - size_t j, len = strlen(s); + size_t len = strlen(s); - for (j = len; j != (size_t)-1; j--) + for (size_t j = len; j != (size_t)-1; j--) if ((s[j] == '\\') || (s[j] == ':') || (s[j] == '/')) return len - j - 1; diff --git a/src/d_netfil.h b/src/netcode/d_netfil.h similarity index 94% rename from src/d_netfil.h rename to src/netcode/d_netfil.h index ecec976be..fdbec8c53 100644 --- a/src/d_netfil.h +++ b/src/netcode/d_netfil.h @@ -15,7 +15,7 @@ #include "d_net.h" #include "d_clisrv.h" -#include "w_wad.h" +#include "../w_wad.h" typedef enum { @@ -70,13 +70,13 @@ extern INT32 fileneedednum; extern fileneeded_t *fileneeded; extern char downloaddir[512]; -#ifndef NONET extern INT32 lastfilenum; extern INT32 downloadcompletednum; extern UINT32 downloadcompletedsize; extern INT32 totalfilesrequestednum; extern UINT32 totalfilesrequestedsize; -#endif + +extern consvar_t cv_maxsend, cv_noticedownload, cv_downloadspeed; void AllocFileNeeded(INT32 size); void FreeFileNeeded(void); @@ -90,16 +90,16 @@ void AddRamToSendQueue(INT32 node, void *data, size_t size, freemethod_t freemet UINT8 fileid); void FileSendTicker(void); -void PT_FileAck(void); -void PT_FileReceived(void); +void PT_FileAck(SINT8 node); +void PT_FileReceived(SINT8 node); boolean SendingFile(INT32 node); void FileReceiveTicker(void); -void PT_FileFragment(void); +void PT_FileFragment(SINT8 node, INT32 netconsole); boolean CL_CheckDownloadable(void); boolean CL_SendFileRequest(void); -boolean PT_RequestFile(INT32 node); +void PT_RequestFile(SINT8 node); typedef enum { diff --git a/src/netcode/gamestate.c b/src/netcode/gamestate.c new file mode 100644 index 000000000..005e81ba9 --- /dev/null +++ b/src/netcode/gamestate.c @@ -0,0 +1,336 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file gamestate.c +/// \brief Gamestate (re)sending + +#include "d_clisrv.h" +#include "d_netfil.h" +#include "gamestate.h" +#include "i_net.h" +#include "protocol.h" +#include "server_connection.h" +#include "../am_map.h" +#include "../byteptr.h" +#include "../console.h" +#include "../d_main.h" +#include "../doomstat.h" +#include "../doomtype.h" +#include "../f_finale.h" +#include "../g_demo.h" +#include "../g_game.h" +#include "../i_time.h" +#include "../lua_script.h" +#include "../lzf.h" +#include "../m_misc.h" +#include "../p_local.h" +#include "../p_saveg.h" +#include "../r_main.h" +#include "../tables.h" +#include "../z_zone.h" +#if defined (__GNUC__) || defined (__unix__) +#include +#endif + +#define SAVEGAMESIZE (768*1024) + +UINT8 hu_redownloadinggamestate = 0; +boolean cl_redownloadinggamestate = false; + +boolean SV_ResendingSavegameToAnyone(void) +{ + for (INT32 i = 0; i < MAXNETNODES; i++) + if (netnodes[i].resendingsavegame) + return true; + return false; +} + +void SV_SendSaveGame(INT32 node, boolean resending) +{ + size_t length, compressedlen; + UINT8 *savebuffer; + UINT8 *compressedsave; + UINT8 *buffertosend; + + // first save it in a malloced buffer + savebuffer = (UINT8 *)malloc(SAVEGAMESIZE); + if (!savebuffer) + { + CONS_Alert(CONS_ERROR, M_GetText("No more free memory for savegame\n")); + return; + } + + // Leave room for the uncompressed length. + save_p = savebuffer + sizeof(UINT32); + + P_SaveNetGame(resending); + + length = save_p - savebuffer; + if (length > SAVEGAMESIZE) + { + free(savebuffer); + save_p = NULL; + I_Error("Savegame buffer overrun"); + } + + // Allocate space for compressed save: one byte fewer than for the + // uncompressed data to ensure that the compression is worthwhile. + compressedsave = malloc(length - 1); + if (!compressedsave) + { + CONS_Alert(CONS_ERROR, M_GetText("No more free memory for savegame\n")); + return; + } + + // Attempt to compress it. + if((compressedlen = lzf_compress(savebuffer + sizeof(UINT32), length - sizeof(UINT32), compressedsave + sizeof(UINT32), length - sizeof(UINT32) - 1))) + { + // Compressing succeeded; send compressed data + + free(savebuffer); + + // State that we're compressed. + buffertosend = compressedsave; + WRITEUINT32(compressedsave, length - sizeof(UINT32)); + length = compressedlen + sizeof(UINT32); + } + else + { + // Compression failed to make it smaller; send original + + free(compressedsave); + + // State that we're not compressed + buffertosend = savebuffer; + WRITEUINT32(savebuffer, 0); + } + + AddRamToSendQueue(node, buffertosend, length, SF_RAM, 0); + save_p = NULL; + + // Remember when we started sending the savegame so we can handle timeouts + netnodes[node].sendingsavegame = true; + netnodes[node].freezetimeout = I_GetTime() + jointimeout + length / 1024; // 1 extra tic for each kilobyte +} + +#ifdef DUMPCONSISTENCY +#define TMPSAVENAME "badmath.sav" +static consvar_t cv_dumpconsistency = CVAR_INIT ("dumpconsistency", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); + +void SV_SavedGame(void) +{ + size_t length; + UINT8 *savebuffer; + char tmpsave[256]; + + if (!cv_dumpconsistency.value) + return; + + sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); + + // first save it in a malloced buffer + save_p = savebuffer = (UINT8 *)malloc(SAVEGAMESIZE); + if (!save_p) + { + CONS_Alert(CONS_ERROR, M_GetText("No more free memory for savegame\n")); + return; + } + + P_SaveNetGame(false); + + length = save_p - savebuffer; + if (length > SAVEGAMESIZE) + { + free(savebuffer); + save_p = NULL; + I_Error("Savegame buffer overrun"); + } + + // then save it! + if (!FIL_WriteFile(tmpsave, savebuffer, length)) + CONS_Printf(M_GetText("Didn't save %s for netgame"), tmpsave); + + free(savebuffer); + save_p = NULL; +} + +#undef TMPSAVENAME +#endif +#define TMPSAVENAME "$$$.sav" + + +void CL_LoadReceivedSavegame(boolean reloading) +{ + UINT8 *savebuffer = NULL; + size_t length, decompressedlen; + char tmpsave[256]; + + FreeFileNeeded(); + + sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); + + length = FIL_ReadFile(tmpsave, &savebuffer); + + CONS_Printf(M_GetText("Loading savegame length %s\n"), sizeu1(length)); + if (!length) + { + I_Error("Can't read savegame sent"); + return; + } + + save_p = savebuffer; + + // Decompress saved game if necessary. + decompressedlen = READUINT32(save_p); + if(decompressedlen > 0) + { + UINT8 *decompressedbuffer = Z_Malloc(decompressedlen, PU_STATIC, NULL); + lzf_decompress(save_p, length - sizeof(UINT32), decompressedbuffer, decompressedlen); + Z_Free(savebuffer); + save_p = savebuffer = decompressedbuffer; + } + + paused = false; + demoplayback = false; + titlemapinaction = TITLEMAP_OFF; + titledemo = false; + automapactive = false; + + // load a base level + if (P_LoadNetGame(reloading)) + { + const UINT8 actnum = mapheaderinfo[gamemap-1]->actnum; + CONS_Printf(M_GetText("Map is now \"%s"), G_BuildMapName(gamemap)); + if (strcmp(mapheaderinfo[gamemap-1]->lvlttl, "")) + { + CONS_Printf(": %s", mapheaderinfo[gamemap-1]->lvlttl); + if (!(mapheaderinfo[gamemap-1]->levelflags & LF_NOZONE)) + CONS_Printf(M_GetText(" Zone")); + if (actnum > 0) + CONS_Printf(" %2d", actnum); + } + CONS_Printf("\"\n"); + } + + // done + Z_Free(savebuffer); + save_p = NULL; + if (unlink(tmpsave) == -1) + CONS_Alert(CONS_ERROR, M_GetText("Can't delete %s\n"), tmpsave); + consistancy[gametic%BACKUPTICS] = Consistancy(); + CON_ToggleOff(); + + // Tell the server we have received and reloaded the gamestate + // so they know they can resume the game + netbuffer->packettype = PT_RECEIVEDGAMESTATE; + HSendPacket(servernode, true, 0, 0); +} + +void CL_ReloadReceivedSavegame(void) +{ + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + LUA_InvalidatePlayer(&players[i]); + sprintf(player_names[i], "Player %d", i + 1); + } + + CL_LoadReceivedSavegame(true); + + neededtic = max(neededtic, gametic); + maketic = neededtic; + + ticcmd_oldangleturn[0] = players[consoleplayer].oldrelangleturn; + P_ForceLocalAngle(&players[consoleplayer], (angle_t)(players[consoleplayer].angleturn << 16)); + if (splitscreen) + { + ticcmd_oldangleturn[1] = players[secondarydisplayplayer].oldrelangleturn; + P_ForceLocalAngle(&players[secondarydisplayplayer], (angle_t)(players[secondarydisplayplayer].angleturn << 16)); + } + + camera.subsector = R_PointInSubsector(camera.x, camera.y); + camera2.subsector = R_PointInSubsector(camera2.x, camera2.y); + + cl_redownloadinggamestate = false; + + CONS_Printf(M_GetText("Game state reloaded\n")); +} + +void Command_ResendGamestate(void) +{ + SINT8 playernum; + + if (COM_Argc() == 1) + { + CONS_Printf(M_GetText("resendgamestate : resend the game state to a player\n")); + return; + } + else if (client) + { + CONS_Printf(M_GetText("Only the server can use this.\n")); + return; + } + + playernum = nametonum(COM_Argv(1)); + if (playernum == -1 || playernum == 0) + return; + + // Send a PT_WILLRESENDGAMESTATE packet to the client so they know what's going on + netbuffer->packettype = PT_WILLRESENDGAMESTATE; + if (!HSendPacket(playernode[playernum], true, 0, 0)) + { + CONS_Alert(CONS_ERROR, M_GetText("A problem occured, please try again.\n")); + return; + } +} + +void PT_CanReceiveGamestate(SINT8 node) +{ + if (client || netnodes[node].sendingsavegame) + return; + + CONS_Printf(M_GetText("Resending game state to %s...\n"), player_names[netnodes[node].player]); + + SV_SendSaveGame(node, true); // Resend a complete game state + netnodes[node].resendingsavegame = true; +} + +void PT_ReceivedGamestate(SINT8 node) +{ + netnodes[node].sendingsavegame = false; + netnodes[node].resendingsavegame = false; + netnodes[node].savegameresendcooldown = I_GetTime() + 5 * TICRATE; +} + +void PT_WillResendGamestate(SINT8 node) +{ + (void)node; + + char tmpsave[256]; + + if (server || cl_redownloadinggamestate) + return; + + // Send back a PT_CANRECEIVEGAMESTATE packet to the server + // so they know they can start sending the game state + netbuffer->packettype = PT_CANRECEIVEGAMESTATE; + if (!HSendPacket(servernode, true, 0, 0)) + return; + + CONS_Printf(M_GetText("Reloading game state...\n")); + + sprintf(tmpsave, "%s" PATHSEP TMPSAVENAME, srb2home); + + // Don't get a corrupt savegame error because tmpsave already exists + if (FIL_FileExists(tmpsave) && unlink(tmpsave) == -1) + I_Error("Can't delete %s\n", tmpsave); + + CL_PrepareDownloadSaveGame(tmpsave); + + cl_redownloadinggamestate = true; +} diff --git a/src/netcode/gamestate.h b/src/netcode/gamestate.h new file mode 100644 index 000000000..a2fae1f14 --- /dev/null +++ b/src/netcode/gamestate.h @@ -0,0 +1,31 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file gamestate.h +/// \brief Gamestate (re)sending + +#ifndef __GAMESTATE__ +#define __GAMESTATE__ + +#include "../doomtype.h" + +extern UINT8 hu_redownloadinggamestate; +extern boolean cl_redownloadinggamestate; + +boolean SV_ResendingSavegameToAnyone(void); +void SV_SendSaveGame(INT32 node, boolean resending); +void SV_SavedGame(void); +void CL_LoadReceivedSavegame(boolean reloading); +void CL_ReloadReceivedSavegame(void); +void Command_ResendGamestate(void); +void PT_CanReceiveGamestate(SINT8 node); +void PT_ReceivedGamestate(SINT8 node); +void PT_WillResendGamestate(SINT8 node); + +#endif diff --git a/src/http-mserv.c b/src/netcode/http-mserv.c similarity index 98% rename from src/http-mserv.c rename to src/netcode/http-mserv.c index df9a71a5c..f8bd5da21 100644 --- a/src/http-mserv.c +++ b/src/netcode/http-mserv.c @@ -18,14 +18,15 @@ Documentation available here. #include #endif -#include "doomdef.h" +#include "../doomdef.h" #include "d_clisrv.h" -#include "command.h" -#include "m_argv.h" -#include "m_menu.h" +#include "client_connection.h" +#include "../command.h" +#include "../m_argv.h" +#include "../m_menu.h" #include "mserv.h" #include "i_tcp.h"/* for current_port */ -#include "i_threads.h" +#include "../i_threads.h" /* reasonable default I guess?? */ #define DEFAULT_BUFFER_SIZE (4096) @@ -95,7 +96,7 @@ init_user_agent_once(void) { if (hms_useragent[0] != '\0') return; - + get_user_agent(hms_useragent, 512); } diff --git a/src/i_addrinfo.c b/src/netcode/i_addrinfo.c similarity index 100% rename from src/i_addrinfo.c rename to src/netcode/i_addrinfo.c diff --git a/src/i_addrinfo.h b/src/netcode/i_addrinfo.h similarity index 100% rename from src/i_addrinfo.h rename to src/netcode/i_addrinfo.h diff --git a/src/i_net.h b/src/netcode/i_net.h similarity index 98% rename from src/i_net.h rename to src/netcode/i_net.h index 12a07f183..09b842296 100644 --- a/src/i_net.h +++ b/src/netcode/i_net.h @@ -18,8 +18,8 @@ #pragma interface #endif -#include "doomdef.h" -#include "command.h" +#include "../doomdef.h" +#include "../command.h" /// \brief program net id #define DOOMCOM_ID (INT32)0x12345678l diff --git a/src/i_tcp.c b/src/netcode/i_tcp.c similarity index 88% rename from src/i_tcp.c rename to src/netcode/i_tcp.c index d95b381f4..698234579 100644 --- a/src/i_tcp.c +++ b/src/netcode/i_tcp.c @@ -36,109 +36,100 @@ #include #endif -#include "doomdef.h" +#include "../doomdef.h" -#if defined (NOMD5) && !defined (NONET) - //#define NONET +#ifdef USE_WINSOCK1 + #include +#else + #ifndef USE_WINSOCK + #include + #ifdef __APPLE_CC__ + #ifndef _BSD_SOCKLEN_T_ + #define _BSD_SOCKLEN_T_ + #endif //_BSD_SOCKLEN_T_ + #endif //__APPLE_CC__ + #include + #include + #include + #include + #endif //normal BSD API + + #include + #include + + #if defined (__unix__) || defined (__APPLE__) || defined (UNIXCOMMON) + #include + #endif // UNIXCOMMON #endif -#ifdef NONET - #undef HAVE_MINIUPNPC -#else - #ifdef USE_WINSOCK1 - #include - #else - #ifndef USE_WINSOCK - #include - #ifdef __APPLE_CC__ - #ifndef _BSD_SOCKLEN_T_ - #define _BSD_SOCKLEN_T_ - #endif //_BSD_SOCKLEN_T_ - #endif //__APPLE_CC__ - #include - #include - #include - #include - #endif //normal BSD API - - #include - #include - - #if defined (__unix__) || defined (__APPLE__) || defined (UNIXCOMMON) - #include - #endif // UNIXCOMMON +#ifdef USE_WINSOCK + // some undefined under win32 + #undef errno + //#define errno WSAGetLastError() //Alam_GBC: this is the correct way, right? + #define errno h_errno // some very strange things happen when not using h_error?!? + #ifdef EWOULDBLOCK + #undef EWOULDBLOCK #endif - - #ifdef USE_WINSOCK - // some undefined under win32 - #undef errno - //#define errno WSAGetLastError() //Alam_GBC: this is the correct way, right? - #define errno h_errno // some very strange things happen when not using h_error?!? - #ifdef EWOULDBLOCK - #undef EWOULDBLOCK - #endif - #define EWOULDBLOCK WSAEWOULDBLOCK - #ifdef EMSGSIZE - #undef EMSGSIZE - #endif - #define EMSGSIZE WSAEMSGSIZE - #ifdef ECONNREFUSED - #undef ECONNREFUSED - #endif - #define ECONNREFUSED WSAECONNREFUSED - #ifdef ETIMEDOUT - #undef ETIMEDOUT - #endif - #define ETIMEDOUT WSAETIMEDOUT - #ifndef IOC_VENDOR - #define IOC_VENDOR 0x18000000 - #endif - #ifndef _WSAIOW - #define _WSAIOW(x,y) (IOC_IN|(x)|(y)) - #endif - #ifndef SIO_UDP_CONNRESET - #define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12) - #endif - #ifndef AI_ADDRCONFIG - #define AI_ADDRCONFIG 0x00000400 - #endif - #ifndef STATUS_INVALID_PARAMETER - #define STATUS_INVALID_PARAMETER 0xC000000D - #endif - #endif // USE_WINSOCK - - typedef union - { - struct sockaddr any; - struct sockaddr_in ip4; - #ifdef HAVE_IPV6 - struct sockaddr_in6 ip6; + #define EWOULDBLOCK WSAEWOULDBLOCK + #ifdef EMSGSIZE + #undef EMSGSIZE #endif - } mysockaddr_t; + #define EMSGSIZE WSAEMSGSIZE + #ifdef ECONNREFUSED + #undef ECONNREFUSED + #endif + #define ECONNREFUSED WSAECONNREFUSED + #ifdef ETIMEDOUT + #undef ETIMEDOUT + #endif + #define ETIMEDOUT WSAETIMEDOUT + #ifndef IOC_VENDOR + #define IOC_VENDOR 0x18000000 + #endif + #ifndef _WSAIOW + #define _WSAIOW(x,y) (IOC_IN|(x)|(y)) + #endif + #ifndef SIO_UDP_CONNRESET + #define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12) + #endif + #ifndef AI_ADDRCONFIG + #define AI_ADDRCONFIG 0x00000400 + #endif + #ifndef STATUS_INVALID_PARAMETER + #define STATUS_INVALID_PARAMETER 0xC000000D + #endif +#endif // USE_WINSOCK - #ifdef HAVE_MINIUPNPC - #ifdef STATIC_MINIUPNPC - #define STATICLIB - #endif - #include "miniupnpc/miniwget.h" - #include "miniupnpc/miniupnpc.h" - #include "miniupnpc/upnpcommands.h" - #undef STATICLIB - static UINT8 UPNP_support = TRUE; - #endif // HAVE_MINIUPNC +typedef union +{ + struct sockaddr any; + struct sockaddr_in ip4; +#ifdef HAVE_IPV6 + struct sockaddr_in6 ip6; +#endif +} mysockaddr_t; -#endif // !NONET +#ifdef HAVE_MINIUPNPC + #ifdef STATIC_MINIUPNPC + #define STATICLIB + #endif + #include "miniupnpc/miniwget.h" + #include "miniupnpc/miniupnpc.h" + #include "miniupnpc/upnpcommands.h" + #undef STATICLIB + static UINT8 UPNP_support = TRUE; +#endif // HAVE_MINIUPNC #define MAXBANS 100 -#include "i_system.h" +#include "../i_system.h" #include "i_net.h" #include "d_net.h" #include "d_netfil.h" #include "i_tcp.h" -#include "m_argv.h" +#include "../m_argv.h" -#include "doomstat.h" +#include "../doomstat.h" // win32 #ifdef USE_WINSOCK @@ -151,7 +142,7 @@ #define SELECTTEST #define DEFAULTPORT "5029" -#if defined (USE_WINSOCK) && !defined (NONET) +#ifdef USE_WINSOCK typedef SOCKET SOCKET_TYPE; #define ERRSOCKET (SOCKET_ERROR) #else @@ -163,22 +154,20 @@ #define ERRSOCKET (-1) #endif -#ifndef NONET - // define socklen_t in DOS/Windows if it is not already defined - #ifdef USE_WINSOCK1 - typedef int socklen_t; - #endif - static SOCKET_TYPE mysockets[MAXNETNODES+1] = {ERRSOCKET}; - static size_t mysocketses = 0; - static int myfamily[MAXNETNODES+1] = {0}; - static SOCKET_TYPE nodesocket[MAXNETNODES+1] = {ERRSOCKET}; - static mysockaddr_t clientaddress[MAXNETNODES+1]; - static mysockaddr_t broadcastaddress[MAXNETNODES+1]; - static size_t broadcastaddresses = 0; - static boolean nodeconnected[MAXNETNODES+1]; - static mysockaddr_t banned[MAXBANS]; - static UINT8 bannedmask[MAXBANS]; +// define socklen_t in DOS/Windows if it is not already defined +#ifdef USE_WINSOCK1 + typedef int socklen_t; #endif +static SOCKET_TYPE mysockets[MAXNETNODES+1] = {ERRSOCKET}; +static size_t mysocketses = 0; +static int myfamily[MAXNETNODES+1] = {0}; +static SOCKET_TYPE nodesocket[MAXNETNODES+1] = {ERRSOCKET}; +static mysockaddr_t clientaddress[MAXNETNODES+1]; +static mysockaddr_t broadcastaddress[MAXNETNODES+1]; +static size_t broadcastaddresses = 0; +static boolean nodeconnected[MAXNETNODES+1]; +static mysockaddr_t banned[MAXBANS]; +static UINT8 bannedmask[MAXBANS]; static size_t numbans = 0; static boolean SOCK_bannednode[MAXNETNODES+1]; /// \note do we really need the +1? @@ -187,7 +176,6 @@ static boolean init_tcp_driver = false; static const char *serverport_name = DEFAULTPORT; static const char *clientport_name;/* any port */ -#ifndef NONET #ifdef USE_WINSOCK // stupid microsoft makes things complicated static char *get_WSAErrorStr(int e) @@ -387,47 +375,33 @@ static const char *SOCK_AddrToStr(mysockaddr_t *sk) #endif return s; } -#endif static const char *SOCK_GetNodeAddress(INT32 node) { if (node == 0) return "self"; -#ifdef NONET - return NULL; -#else if (!nodeconnected[node]) return NULL; return SOCK_AddrToStr(&clientaddress[node]); -#endif } static const char *SOCK_GetBanAddress(size_t ban) { if (ban >= numbans) return NULL; -#ifdef NONET - return NULL; -#else return SOCK_AddrToStr(&banned[ban]); -#endif } static const char *SOCK_GetBanMask(size_t ban) { -#ifdef NONET - (void)ban; -#else static char s[16]; //255.255.255.255 netmask? no, just CDIR for only if (ban >= numbans) return NULL; if (sprintf(s,"%d",bannedmask[ban]) > 0) return s; -#endif return NULL; } -#ifndef NONET static boolean SOCK_cmpaddr(mysockaddr_t *a, mysockaddr_t *b, UINT8 mask) { UINT32 bitmask = INADDR_NONE; @@ -455,24 +429,20 @@ static boolean SOCK_cmpaddr(mysockaddr_t *a, mysockaddr_t *b, UINT8 mask) */ static void cleanupnodes(void) { - SINT8 j; - if (!Playing()) return; // Why can't I start at zero? - for (j = 1; j < MAXNETNODES; j++) - if (!(nodeingame[j] || SendingFile(j))) + for (SINT8 j = 1; j < MAXNETNODES; j++) + if (!(netnodes[j].ingame || SendingFile(j))) nodeconnected[j] = false; } static SINT8 getfreenode(void) { - SINT8 j; - cleanupnodes(); - for (j = 0; j < MAXNETNODES; j++) + for (SINT8 j = 0; j < MAXNETNODES; j++) if (!nodeconnected[j]) { nodeconnected[j] = true; @@ -485,8 +455,8 @@ static SINT8 getfreenode(void) * downloading a needed wad, but it's better than not letting anyone join... */ /*I_Error("No more free nodes!!1!11!11!!1111\n"); - for (j = 1; j < MAXNETNODES; j++) - if (!nodeingame[j]) + for (SINT8 j = 1; j < MAXNETNODES; j++) + if (!netnodes[j].ingame) return j;*/ return -1; @@ -497,28 +467,27 @@ void Command_Numnodes(void) { INT32 connected = 0; INT32 ingame = 0; - INT32 i; - for (i = 1; i < MAXNETNODES; i++) + for (INT32 i = 1; i < MAXNETNODES; i++) { - if (!(nodeconnected[i] || nodeingame[i])) + if (!(nodeconnected[i] || netnodes[i].ingame)) continue; if (nodeconnected[i]) connected++; - if (nodeingame[i]) + if (netnodes[i].ingame) ingame++; CONS_Printf("%2d - ", i); - if (nodetoplayer[i] != -1) - CONS_Printf("player %.2d", nodetoplayer[i]); + if (netnodes[i].player != -1) + CONS_Printf("player %.2d", netnodes[i].player); else CONS_Printf(" "); if (nodeconnected[i]) CONS_Printf(" - connected"); else CONS_Printf(" - "); - if (nodeingame[i]) + if (netnodes[i].ingame) CONS_Printf(" - ingame"); else CONS_Printf(" - "); @@ -531,19 +500,17 @@ void Command_Numnodes(void) connected, ingame); } #endif -#endif -#ifndef NONET // Returns true if a packet was received from a new node, false in all other cases static boolean SOCK_Get(void) { - size_t i, n; + size_t i; int j; ssize_t c; mysockaddr_t fromaddress; socklen_t fromlen; - for (n = 0; n < mysocketses; n++) + for (size_t n = 0; n < mysocketses; n++) { fromlen = (socklen_t)sizeof(fromaddress); c = recvfrom(mysockets[n], (char *)&doomcom->data, MAXPACKETLENGTH, 0, @@ -596,20 +563,17 @@ static boolean SOCK_Get(void) doomcom->remotenode = -1; // no packet return false; } -#endif // check if we can send (do not go over the buffer) -#ifndef NONET static fd_set masterset; #ifdef SELECTTEST static boolean FD_CPY(fd_set *src, fd_set *dst, SOCKET_TYPE *fd, size_t len) { - size_t i; boolean testset = false; FD_ZERO(dst); - for (i = 0; i < len;i++) + for (size_t i = 0; i < len;i++) { if(fd[i] != (SOCKET_TYPE)ERRSOCKET && FD_ISSET(fd[i], src) && !FD_ISSET(fd[i], dst)) // no checking for dups @@ -649,9 +613,7 @@ static boolean SOCK_CanGet(void) return false; } #endif -#endif -#ifndef NONET static inline ssize_t SOCK_SendToAddr(SOCKET_TYPE socket, mysockaddr_t *sockaddr) { socklen_t d4 = (socklen_t)sizeof(struct sockaddr_in); @@ -675,16 +637,15 @@ static inline ssize_t SOCK_SendToAddr(SOCKET_TYPE socket, mysockaddr_t *sockaddr static void SOCK_Send(void) { ssize_t c = ERRSOCKET; - size_t i, j; if (!nodeconnected[doomcom->remotenode]) return; if (doomcom->remotenode == BROADCASTADDR) { - for (i = 0; i < mysocketses; i++) + for (size_t i = 0; i < mysocketses; i++) { - for (j = 0; j < broadcastaddresses; j++) + for (size_t j = 0; j < broadcastaddresses; j++) { if (myfamily[i] == broadcastaddress[j].any.sa_family) SOCK_SendToAddr(mysockets[i], &broadcastaddress[j]); @@ -694,7 +655,7 @@ static void SOCK_Send(void) } else if (nodesocket[doomcom->remotenode] == (SOCKET_TYPE)ERRSOCKET) { - for (i = 0; i < mysocketses; i++) + for (size_t i = 0; i < mysocketses; i++) { if (myfamily[i] == clientaddress[doomcom->remotenode].any.sa_family) SOCK_SendToAddr(mysockets[i], &clientaddress[doomcom->remotenode]); @@ -714,9 +675,7 @@ static void SOCK_Send(void) SOCK_GetNodeAddress(doomcom->remotenode), e, strerror(e)); } } -#endif -#ifndef NONET static void SOCK_FreeNodenum(INT32 numnode) { // can't disconnect from self :) @@ -731,12 +690,10 @@ static void SOCK_FreeNodenum(INT32 numnode) // put invalid address memset(&clientaddress[numnode], 0, sizeof (clientaddress[numnode])); } -#endif // // UDPsocket // -#ifndef NONET // allocate a socket static SOCKET_TYPE UDP_Bind(int family, struct sockaddr *addr, socklen_t addrlen) @@ -1061,12 +1018,10 @@ static boolean UDP_Socket(void) return true; } -#endif boolean I_InitTcpDriver(void) { boolean tcp_was_up = init_tcp_driver; -#ifndef NONET if (!init_tcp_driver) { #ifdef USE_WINSOCK @@ -1121,7 +1076,7 @@ boolean I_InitTcpDriver(void) #endif init_tcp_driver = true; } -#endif + if (!tcp_was_up && init_tcp_driver) { I_AddExitFunc(I_ShutdownTcpDriver); @@ -1135,11 +1090,9 @@ boolean I_InitTcpDriver(void) return init_tcp_driver; } -#ifndef NONET static void SOCK_CloseSocket(void) { - size_t i; - for (i=0; i < MAXNETNODES+1; i++) + for (size_t i=0; i < MAXNETNODES+1; i++) { if (mysockets[i] != (SOCKET_TYPE)ERRSOCKET && FD_ISSET(mysockets[i], &masterset)) @@ -1150,11 +1103,9 @@ static void SOCK_CloseSocket(void) mysockets[i] = ERRSOCKET; } } -#endif void I_ShutdownTcpDriver(void) { -#ifndef NONET SOCK_CloseSocket(); CONS_Printf("I_ShutdownTcpDriver: "); @@ -1164,10 +1115,8 @@ void I_ShutdownTcpDriver(void) #endif CONS_Printf("shut down\n"); init_tcp_driver = false; -#endif } -#ifndef NONET static SINT8 SOCK_NetMakeNodewPort(const char *address, const char *port) { SINT8 newnode = -1; @@ -1223,17 +1172,13 @@ static SINT8 SOCK_NetMakeNodewPort(const char *address, const char *port) I_freeaddrinfo(ai); return newnode; } -#endif static boolean SOCK_OpenSocket(void) { -#ifndef NONET - size_t i; - memset(clientaddress, 0, sizeof (clientaddress)); nodeconnected[0] = true; // always connected to self - for (i = 1; i < MAXNETNODES; i++) + for (size_t i = 1; i < MAXNETNODES; i++) nodeconnected[i] = false; nodeconnected[BROADCASTADDR] = true; I_NetSend = SOCK_Send; @@ -1251,18 +1196,12 @@ static boolean SOCK_OpenSocket(void) // build the socket but close it first SOCK_CloseSocket(); return UDP_Socket(); -#else - return false; -#endif } static boolean SOCK_Ban(INT32 node) { if (node > MAXNETNODES) return false; -#ifdef NONET - return false; -#else if (numbans == MAXBANS) return false; @@ -1281,16 +1220,10 @@ static boolean SOCK_Ban(INT32 node) #endif numbans++; return true; -#endif } static boolean SOCK_SetBanAddress(const char *address, const char *mask) { -#ifdef NONET - (void)address; - (void)mask; - return false; -#else struct my_addrinfo *ai, *runp, hints; int gaie; @@ -1335,7 +1268,6 @@ static boolean SOCK_SetBanAddress(const char *address, const char *mask) I_freeaddrinfo(ai); return true; -#endif } static void SOCK_ClearBans(void) diff --git a/src/i_tcp.h b/src/netcode/i_tcp.h similarity index 100% rename from src/i_tcp.h rename to src/netcode/i_tcp.h diff --git a/src/mserv.c b/src/netcode/mserv.c similarity index 98% rename from src/mserv.c rename to src/netcode/mserv.c index 62cda96e4..1c7f3e08d 100644 --- a/src/mserv.c +++ b/src/netcode/mserv.c @@ -15,13 +15,14 @@ #include #endif -#include "doomstat.h" -#include "doomdef.h" -#include "command.h" -#include "i_threads.h" +#include "../doomstat.h" +#include "../doomdef.h" +#include "../command.h" +#include "../i_threads.h" #include "mserv.h" -#include "m_menu.h" -#include "z_zone.h" +#include "client_connection.h" +#include "../m_menu.h" +#include "../z_zone.h" #ifdef MASTERSERVER @@ -45,9 +46,7 @@ static I_cond MSCond; # define Unlock_state() #endif/*HAVE_THREADS*/ -#ifndef NONET static void Command_Listserv_f(void); -#endif #endif/*MASTERSERVER*/ @@ -89,7 +88,6 @@ msg_rooms_t room_list[NUM_LIST_ROOMS+1]; // +1 for easy test */ void AddMServCommands(void) { -#ifndef NONET CV_RegisterVar(&cv_masterserver); CV_RegisterVar(&cv_masterserver_update_rate); CV_RegisterVar(&cv_masterserver_timeout); @@ -100,7 +98,6 @@ void AddMServCommands(void) COM_AddCommand("listserv", Command_Listserv_f, 0); COM_AddCommand("masterserver_update", Update_parameters, COM_LUA); // allows people to updates manually in case you were delisted by accident #endif -#endif } #ifdef MASTERSERVER @@ -189,7 +186,6 @@ void GetMODVersion_Console(void) } #endif -#ifndef NONET /** Gets a list of game servers. Called from console. */ static void Command_Listserv_f(void) @@ -200,7 +196,6 @@ static void Command_Listserv_f(void) HMS_list_servers(); } } -#endif static void Finish_registration (void) diff --git a/src/mserv.h b/src/netcode/mserv.h similarity index 99% rename from src/mserv.h rename to src/netcode/mserv.h index 07253da85..0bc8c8e6b 100644 --- a/src/mserv.h +++ b/src/netcode/mserv.h @@ -14,7 +14,7 @@ #ifndef _MSERV_H_ #define _MSERV_H_ -#include "i_threads.h" +#include "../i_threads.h" // lowered from 32 due to menu changes #define NUM_LIST_ROOMS 16 diff --git a/src/netcode/net_command.c b/src/netcode/net_command.c new file mode 100644 index 000000000..2b3abfd02 --- /dev/null +++ b/src/netcode/net_command.c @@ -0,0 +1,382 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2022 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file net_command.c +/// \brief Net command handling + +#include "net_command.h" +#include "tic_command.h" +#include "gamestate.h" +#include "server_connection.h" +#include "d_clisrv.h" +#include "i_net.h" +#include "../byteptr.h" +#include "../g_game.h" +#include "../z_zone.h" +#include "../doomtype.h" + +textcmdtic_t *textcmds[TEXTCMD_HASH_SIZE] = {NULL}; +UINT8 localtextcmd[MAXTEXTCMD]; +UINT8 localtextcmd2[MAXTEXTCMD]; // splitscreen +static void (*listnetxcmd[MAXNETXCMD])(UINT8 **p, INT32 playernum); + +void RegisterNetXCmd(netxcmd_t id, void (*cmd_f)(UINT8 **p, INT32 playernum)) +{ +#ifdef PARANOIA + if (id >= MAXNETXCMD) + I_Error("Command id %d too big", id); + if (listnetxcmd[id] != 0) + I_Error("Command id %d already used", id); +#endif + listnetxcmd[id] = cmd_f; +} + +void SendNetXCmd(netxcmd_t id, const void *param, size_t nparam) +{ + if (localtextcmd[0]+2+nparam > MAXTEXTCMD) + { + // for future reference: if (cv_debug) != debug disabled. + CONS_Alert(CONS_ERROR, M_GetText("NetXCmd buffer full, cannot add netcmd %d! (size: %d, needed: %s)\n"), id, localtextcmd[0], sizeu1(nparam)); + return; + } + localtextcmd[0]++; + localtextcmd[localtextcmd[0]] = (UINT8)id; + if (param && nparam) + { + M_Memcpy(&localtextcmd[localtextcmd[0]+1], param, nparam); + localtextcmd[0] = (UINT8)(localtextcmd[0] + (UINT8)nparam); + } +} + +// splitscreen player +void SendNetXCmd2(netxcmd_t id, const void *param, size_t nparam) +{ + if (localtextcmd2[0]+2+nparam > MAXTEXTCMD) + { + I_Error("No more place in the buffer for netcmd %d\n",id); + return; + } + localtextcmd2[0]++; + localtextcmd2[localtextcmd2[0]] = (UINT8)id; + if (param && nparam) + { + M_Memcpy(&localtextcmd2[localtextcmd2[0]+1], param, nparam); + localtextcmd2[0] = (UINT8)(localtextcmd2[0] + (UINT8)nparam); + } +} + +UINT8 GetFreeXCmdSize(void) +{ + // -1 for the size and another -1 for the ID. + return (UINT8)(localtextcmd[0] - 2); +} + +// Frees all textcmd memory for the specified tic +void D_FreeTextcmd(tic_t tic) +{ + textcmdtic_t **tctprev = &textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; + textcmdtic_t *textcmdtic = *tctprev; + + while (textcmdtic && textcmdtic->tic != tic) + { + tctprev = &textcmdtic->next; + textcmdtic = textcmdtic->next; + } + + if (textcmdtic) + { + // Remove this tic from the list. + *tctprev = textcmdtic->next; + + // Free all players. + for (INT32 i = 0; i < TEXTCMD_HASH_SIZE; i++) + { + textcmdplayer_t *textcmdplayer = textcmdtic->playercmds[i]; + + while (textcmdplayer) + { + textcmdplayer_t *tcpnext = textcmdplayer->next; + Z_Free(textcmdplayer); + textcmdplayer = tcpnext; + } + } + + // Free this tic's own memory. + Z_Free(textcmdtic); + } +} + +// Gets the buffer for the specified ticcmd, or NULL if there isn't one +UINT8* D_GetExistingTextcmd(tic_t tic, INT32 playernum) +{ + textcmdtic_t *textcmdtic = textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; + while (textcmdtic && textcmdtic->tic != tic) textcmdtic = textcmdtic->next; + + // Do we have an entry for the tic? If so, look for player. + if (textcmdtic) + { + textcmdplayer_t *textcmdplayer = textcmdtic->playercmds[playernum & (TEXTCMD_HASH_SIZE - 1)]; + while (textcmdplayer && textcmdplayer->playernum != playernum) textcmdplayer = textcmdplayer->next; + + if (textcmdplayer) return textcmdplayer->cmd; + } + + return NULL; +} + +// Gets the buffer for the specified ticcmd, creating one if necessary +UINT8* D_GetTextcmd(tic_t tic, INT32 playernum) +{ + textcmdtic_t *textcmdtic = textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; + textcmdtic_t **tctprev = &textcmds[tic & (TEXTCMD_HASH_SIZE - 1)]; + textcmdplayer_t *textcmdplayer, **tcpprev; + + // Look for the tic. + while (textcmdtic && textcmdtic->tic != tic) + { + tctprev = &textcmdtic->next; + textcmdtic = textcmdtic->next; + } + + // If we don't have an entry for the tic, make it. + if (!textcmdtic) + { + textcmdtic = *tctprev = Z_Calloc(sizeof (textcmdtic_t), PU_STATIC, NULL); + textcmdtic->tic = tic; + } + + tcpprev = &textcmdtic->playercmds[playernum & (TEXTCMD_HASH_SIZE - 1)]; + textcmdplayer = *tcpprev; + + // Look for the player. + while (textcmdplayer && textcmdplayer->playernum != playernum) + { + tcpprev = &textcmdplayer->next; + textcmdplayer = textcmdplayer->next; + } + + // If we don't have an entry for the player, make it. + if (!textcmdplayer) + { + textcmdplayer = *tcpprev = Z_Calloc(sizeof (textcmdplayer_t), PU_STATIC, NULL); + textcmdplayer->playernum = playernum; + } + + return textcmdplayer->cmd; +} + +void ExtraDataTicker(void) +{ + for (INT32 i = 0; i < MAXPLAYERS; i++) + if (playeringame[i] || i == 0) + { + UINT8 *bufferstart = D_GetExistingTextcmd(gametic, i); + + if (bufferstart) + { + UINT8 *curpos = bufferstart; + UINT8 *bufferend = &curpos[curpos[0]+1]; + + curpos++; + while (curpos < bufferend) + { + if (*curpos < MAXNETXCMD && listnetxcmd[*curpos]) + { + const UINT8 id = *curpos; + curpos++; + DEBFILE(va("executing x_cmd %s ply %u ", netxcmdnames[id - 1], i)); + (listnetxcmd[id])(&curpos, i); + DEBFILE("done\n"); + } + else + { + if (server) + { + SendKick(i, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); + DEBFILE(va("player %d kicked [gametic=%u] reason as follows:\n", i, gametic)); + } + CONS_Alert(CONS_WARNING, M_GetText("Got unknown net command [%s]=%d (max %d)\n"), sizeu1(curpos - bufferstart), *curpos, bufferstart[0]); + break; + } + } + } + } + + // If you are a client, you can safely forget the net commands for this tic + // If you are the server, you need to remember them until every client has been acknowledged, + // because if you need to resend a PT_SERVERTICS packet, you will need to put the commands in it + if (client) + D_FreeTextcmd(gametic); +} + +// used at txtcmds received to check packetsize bound +size_t TotalTextCmdPerTic(tic_t tic) +{ + size_t total = 1; // num of textcmds in the tic (ntextcmd byte) + + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + UINT8 *textcmd = D_GetExistingTextcmd(tic, i); + if ((!i || playeringame[i]) && textcmd) + total += 2 + textcmd[0]; // "+2" for size and playernum + } + + return total; +} + +void PT_TextCmd(SINT8 node, INT32 netconsole) +{ + if (client) + return; + + // splitscreen special + if (netbuffer->packettype == PT_TEXTCMD2) + netconsole = netnodes[node].player2; + + if (netconsole < 0 || netconsole >= MAXPLAYERS) + Net_UnAcknowledgePacket(node); + else + { + size_t j; + tic_t tic = maketic; + UINT8 *textcmd; + + // ignore if the textcmd has a reported size of zero + // this shouldn't be sent at all + if (!netbuffer->u.textcmd[0]) + { + DEBFILE(va("GetPacket: Textcmd with size 0 detected! (node %u, player %d)\n", + node, netconsole)); + Net_UnAcknowledgePacket(node); + return; + } + + // ignore if the textcmd size var is actually larger than it should be + // BASEPACKETSIZE + 1 (for size) + textcmd[0] should == datalength + if (netbuffer->u.textcmd[0] > (size_t)doomcom->datalength-BASEPACKETSIZE-1) + { + DEBFILE(va("GetPacket: Bad Textcmd packet size! (expected %d, actual %s, node %u, player %d)\n", + netbuffer->u.textcmd[0], sizeu1((size_t)doomcom->datalength-BASEPACKETSIZE-1), + node, netconsole)); + Net_UnAcknowledgePacket(node); + return; + } + + // check if tic that we are making isn't too large else we cannot send it :( + // doomcom->numslots+1 "+1" since doomcom->numslots can change within this time and sent time + j = software_MAXPACKETLENGTH + - (netbuffer->u.textcmd[0]+2+BASESERVERTICSSIZE + + (doomcom->numslots+1)*sizeof(ticcmd_t)); + + // search a tic that have enougth space in the ticcmd + while ((textcmd = D_GetExistingTextcmd(tic, netconsole)), + (TotalTextCmdPerTic(tic) > j || netbuffer->u.textcmd[0] + (textcmd ? textcmd[0] : 0) > MAXTEXTCMD) + && tic < firstticstosend + BACKUPTICS) + tic++; + + if (tic >= firstticstosend + BACKUPTICS) + { + DEBFILE(va("GetPacket: Textcmd too long (max %s, used %s, mak %d, " + "tosend %u, node %u, player %d)\n", sizeu1(j), sizeu2(TotalTextCmdPerTic(maketic)), + maketic, firstticstosend, node, netconsole)); + Net_UnAcknowledgePacket(node); + return; + } + + // Make sure we have a buffer + if (!textcmd) textcmd = D_GetTextcmd(tic, netconsole); + + DEBFILE(va("textcmd put in tic %u at position %d (player %d) ftts %u mk %u\n", + tic, textcmd[0]+1, netconsole, firstticstosend, maketic)); + + M_Memcpy(&textcmd[textcmd[0]+1], netbuffer->u.textcmd+1, netbuffer->u.textcmd[0]); + textcmd[0] += (UINT8)netbuffer->u.textcmd[0]; + } +} + +void SV_WriteNetCommandsForTic(tic_t tic, UINT8 **buf) +{ + UINT8 *numcmds; + + numcmds = (*buf)++; + *numcmds = 0; + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + UINT8 *cmd = D_GetExistingTextcmd(tic, i); + INT32 size = cmd ? cmd[0] : 0; + + if ((!i || playeringame[i]) && size) + { + (*numcmds)++; + WRITEUINT8(*buf, i); + M_Memcpy(*buf, cmd, size + 1); + *buf += size + 1; + } + } +} + +void CL_CopyNetCommandsFromServerPacket(tic_t tic, UINT8 **buf) +{ + UINT8 numcmds = *(*buf)++; + + for (UINT32 i = 0; i < numcmds; i++) + { + INT32 playernum = *(*buf)++; // playernum + size_t size = (*buf)[0]+1; + + if (tic >= gametic) // Don't copy old net commands + M_Memcpy(D_GetTextcmd(tic, playernum), *buf, size); + *buf += size; + } +} + +void CL_SendNetCommands(void) +{ + // Send extra data if needed + if (localtextcmd[0]) + { + netbuffer->packettype = PT_TEXTCMD; + M_Memcpy(netbuffer->u.textcmd,localtextcmd, localtextcmd[0]+1); + // All extra data have been sent + if (HSendPacket(servernode, true, 0, localtextcmd[0]+1)) // Send can fail... + localtextcmd[0] = 0; + } + + // Send extra data if needed for player 2 (splitscreen) + if (localtextcmd2[0]) + { + netbuffer->packettype = PT_TEXTCMD2; + M_Memcpy(netbuffer->u.textcmd, localtextcmd2, localtextcmd2[0]+1); + // All extra data have been sent + if (HSendPacket(servernode, true, 0, localtextcmd2[0]+1)) // Send can fail... + localtextcmd2[0] = 0; + } +} + +void SendKick(UINT8 playernum, UINT8 msg) +{ + UINT8 buf[2]; + + if (!(server && cv_rejointimeout.value)) + msg &= ~KICK_MSG_KEEP_BODY; + + buf[0] = playernum; + buf[1] = msg; + SendNetXCmd(XD_KICK, &buf, 2); +} + +void SendKicksForNode(SINT8 node, UINT8 msg) +{ + if (!netnodes[node].ingame) + return; + + for (INT32 playernum = netnodes[node].player; playernum != -1; playernum = netnodes[node].player2) + if (playernum != -1 && playeringame[playernum]) + SendKick(playernum, msg); +} diff --git a/src/netcode/net_command.h b/src/netcode/net_command.h new file mode 100644 index 000000000..a0c46f3a2 --- /dev/null +++ b/src/netcode/net_command.h @@ -0,0 +1,66 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2022 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file net_command.h +/// \brief Net command handling + +#ifndef __D_NET_COMMAND__ +#define __D_NET_COMMAND__ + +#include "d_clisrv.h" +#include "../doomtype.h" + +// Must be a power of two +#define TEXTCMD_HASH_SIZE 4 + +typedef struct textcmdplayer_s +{ + INT32 playernum; + UINT8 cmd[MAXTEXTCMD]; + struct textcmdplayer_s *next; +} textcmdplayer_t; + +typedef struct textcmdtic_s +{ + tic_t tic; + textcmdplayer_t *playercmds[TEXTCMD_HASH_SIZE]; + struct textcmdtic_s *next; +} textcmdtic_t; + +extern textcmdtic_t *textcmds[TEXTCMD_HASH_SIZE]; + +extern UINT8 localtextcmd[MAXTEXTCMD]; +extern UINT8 localtextcmd2[MAXTEXTCMD]; // splitscreen + +void RegisterNetXCmd(netxcmd_t id, void (*cmd_f)(UINT8 **p, INT32 playernum)); +void SendNetXCmd(netxcmd_t id, const void *param, size_t nparam); +void SendNetXCmd2(netxcmd_t id, const void *param, size_t nparam); // splitsreen player + +UINT8 GetFreeXCmdSize(void); +void D_FreeTextcmd(tic_t tic); + +// Gets the buffer for the specified ticcmd, or NULL if there isn't one +UINT8* D_GetExistingTextcmd(tic_t tic, INT32 playernum); + +// Gets the buffer for the specified ticcmd, creating one if necessary +UINT8* D_GetTextcmd(tic_t tic, INT32 playernum); + +void ExtraDataTicker(void); + +// used at txtcmds received to check packetsize bound +size_t TotalTextCmdPerTic(tic_t tic); + +void PT_TextCmd(SINT8 node, INT32 netconsole); +void SV_WriteNetCommandsForTic(tic_t tic, UINT8 **buf); +void CL_CopyNetCommandsFromServerPacket(tic_t tic, UINT8 **buf); +void CL_SendNetCommands(void); +void SendKick(UINT8 playernum, UINT8 msg); +void SendKicksForNode(SINT8 node, UINT8 msg); + +#endif diff --git a/src/d_clisrv.h b/src/netcode/protocol.h similarity index 59% rename from src/d_clisrv.h rename to src/netcode/protocol.h index 49fb5fc1d..a992e3b69 100644 --- a/src/d_clisrv.h +++ b/src/netcode/protocol.h @@ -7,19 +7,15 @@ // terms of the GNU General Public License, version 2. // See the 'LICENSE' file for more details. //----------------------------------------------------------------------------- -/// \file d_clisrv.h -/// \brief high level networking stuff +/// \file protocol.h +/// \brief Data exchanged through the network -#ifndef __D_CLISRV__ -#define __D_CLISRV__ +#ifndef __PROTOCOL__ +#define __PROTOCOL__ -#include "d_ticcmd.h" #include "d_net.h" -#include "d_netcmd.h" -#include "d_net.h" -#include "tables.h" -#include "d_player.h" -#include "mserv.h" +#include "../d_ticcmd.h" +#include "../doomdef.h" /* The 'packet version' is used to distinguish packet @@ -38,10 +34,9 @@ therein, increment this number. // one that defines the actual packets to // be transmitted. -// Networking and tick handling related. #define BACKUPTICS 1024 -#define CLIENTBACKUPTICS 32 #define MAXTEXTCMD 256 + // // Packet structure // @@ -77,7 +72,7 @@ typedef enum PT_ASKLUAFILE, // Client telling the server they don't have the file PT_HASLUAFILE, // Client telling the server they have the file - PT_BASICKEEPALIVE,// Keep the network alive during wipes, as tics aren't advanced and NetUpdate isn't called + PT_BASICKEEPALIVE, // Keep the network alive during wipes, as tics aren't advanced and NetUpdate isn't called // Add non-PT_CANFAIL packet types here to avoid breaking MS compatibility. @@ -92,7 +87,6 @@ typedef enum PT_TEXTCMD, // Extra text commands from the client. PT_TEXTCMD2, // Splitscreen text commands. PT_CLIENTJOIN, // Client wants to join; used in start game. - PT_NODETIMEOUT, // Packet sent to self if the connection times out. PT_LOGIN, // Login attempt from the client. @@ -103,14 +97,6 @@ typedef enum NUMPACKETTYPE } packettype_t; -#ifdef PACKETDROP -void Command_Drop(void); -void Command_Droprate(void); -#endif -#ifdef _DEBUG -void Command_Numnodes(void); -#endif - #if defined(_MSC_VER) #pragma pack(1) #endif @@ -139,13 +125,12 @@ typedef struct #endif // Server to client packet -// this packet is too large typedef struct { tic_t starttic; UINT8 numtics; UINT8 numslots; // "Slots filled": Highest player number in use plus one. - ticcmd_t cmds[45]; // Normally [BACKUPTIC][MAXPLAYERS] but too large + ticcmd_t cmds[45]; } ATTRPACK servertics_pak; typedef struct @@ -215,6 +200,7 @@ enum { #define MAXSERVERNAME 32 #define MAXFILENEEDED 915 + // This packet is too large typedef struct { @@ -275,7 +261,7 @@ typedef struct UINT8 data; // Color is first four bits, hasflag, isit and issuper have one bit each, the last is unused. UINT32 score; UINT16 timeinserver; // In seconds. -} ATTRPACK plrinfo; +} ATTRPACK plrinfo_pak; // Shortest player information for join during intermission. typedef struct @@ -286,7 +272,7 @@ typedef struct UINT32 pflags; UINT32 score; UINT8 ctfteam; -} ATTRPACK plrconfig; +} ATTRPACK plrconfig_pak; typedef struct { @@ -309,25 +295,25 @@ typedef struct UINT8 reserved; // Padding union { - clientcmd_pak clientpak; // 144 bytes - client2cmd_pak client2pak; // 200 bytes - servertics_pak serverpak; // 132495 bytes (more around 360, no?) - serverconfig_pak servercfg; // 773 bytes - UINT8 textcmd[MAXTEXTCMD+1]; // 66049 bytes (wut??? 64k??? More like 257 bytes...) - filetx_pak filetxpak; // 139 bytes + clientcmd_pak clientpak; + client2cmd_pak client2pak; + servertics_pak serverpak; + serverconfig_pak servercfg; + UINT8 textcmd[MAXTEXTCMD+1]; + filetx_pak filetxpak; fileack_pak fileack; UINT8 filereceived; - clientconfig_pak clientcfg; // 136 bytes + clientconfig_pak clientcfg; UINT8 md5sum[16]; - serverinfo_pak serverinfo; // 1024 bytes - serverrefuse_pak serverrefuse; // 65025 bytes (somehow I feel like those values are garbage...) - askinfo_pak askinfo; // 61 bytes - msaskinfo_pak msaskinfo; // 22 bytes - plrinfo playerinfo[MAXPLAYERS]; // 576 bytes(?) - plrconfig playerconfig[MAXPLAYERS]; // (up to) 528 bytes(?) - INT32 filesneedednum; // 4 bytes - filesneededconfig_pak filesneededcfg; // ??? bytes - UINT32 pingtable[MAXPLAYERS+1]; // 68 bytes + serverinfo_pak serverinfo; + serverrefuse_pak serverrefuse; + askinfo_pak askinfo; + msaskinfo_pak msaskinfo; + plrinfo_pak playerinfo[MAXPLAYERS]; + plrconfig_pak playerconfig[MAXPLAYERS]; + INT32 filesneedednum; + filesneededconfig_pak filesneededcfg; + UINT32 pingtable[MAXPLAYERS+1]; } u; // This is needed to pack diff packet types data together } ATTRPACK doomdata_t; @@ -335,26 +321,7 @@ typedef struct #pragma pack() #endif -#define MAXSERVERLIST (MAXNETNODES-1) -typedef struct -{ - SINT8 node; - serverinfo_pak info; -} serverelem_t; - -extern serverelem_t serverlist[MAXSERVERLIST]; -extern UINT32 serverlistcount; -extern INT32 mapchangepending; - -// Points inside doomcom -extern doomdata_t *netbuffer; - -extern consvar_t cv_showjoinaddress; -extern consvar_t cv_playbackspeed; - -#define BASEPACKETSIZE offsetof(doomdata_t, u) #define FILETXHEADER offsetof(filetx_pak, data) -#define BASESERVERTICSSIZE offsetof(doomdata_t, u.serverpak.cmds[0]) #define KICK_MSG_GO_AWAY 1 #define KICK_MSG_CON_FAIL 2 @@ -366,107 +333,4 @@ extern consvar_t cv_playbackspeed; #define KICK_MSG_CUSTOM_BAN 8 #define KICK_MSG_KEEP_BODY 0x80 -typedef enum -{ - KR_KICK = 1, //Kicked by server - KR_PINGLIMIT = 2, //Broke Ping Limit - KR_SYNCH = 3, //Synch Failure - KR_TIMEOUT = 4, //Connection Timeout - KR_BAN = 5, //Banned by server - KR_LEAVE = 6, //Quit the game - -} kickreason_t; - -/* the max number of name changes in some time period */ -#define MAXNAMECHANGES (5) -#define NAMECHANGERATE (60*TICRATE) - -extern boolean server; -extern boolean serverrunning; -#define client (!server) -extern boolean dedicated; // For dedicated server -extern UINT16 software_MAXPACKETLENGTH; -extern boolean acceptnewnode; -extern SINT8 servernode; - -void Command_Ping_f(void); -extern tic_t connectiontimeout; -extern tic_t jointimeout; -extern UINT16 pingmeasurecount; -extern UINT32 realpingtable[MAXPLAYERS]; -extern UINT32 playerpingtable[MAXPLAYERS]; -extern tic_t servermaxping; - -extern consvar_t cv_netticbuffer, cv_allownewplayer, cv_joinnextround, cv_maxplayers, cv_joindelay, cv_rejointimeout; -extern consvar_t cv_resynchattempts, cv_blamecfail; -extern consvar_t cv_maxsend, cv_noticedownload, cv_downloadspeed; -extern consvar_t cv_dedicatedidletime; - -// Used in d_net, the only dependence -tic_t ExpandTics(INT32 low, INT32 node); -void D_ClientServerInit(void); - -// Initialise the other field -void RegisterNetXCmd(netxcmd_t id, void (*cmd_f)(UINT8 **p, INT32 playernum)); -void SendNetXCmd(netxcmd_t id, const void *param, size_t nparam); -void SendNetXCmd2(netxcmd_t id, const void *param, size_t nparam); // splitsreen player -void SendKick(UINT8 playernum, UINT8 msg); - -// Create any new ticcmds and broadcast to other players. -void NetUpdate(void); - -// Maintain connections to nodes without timing them all out. -void NetKeepAlive(void); - -void SV_StartSinglePlayerServer(void); -boolean SV_SpawnServer(void); -void SV_StopServer(void); -void SV_ResetServer(void); -void CL_AddSplitscreenPlayer(void); -void CL_RemoveSplitscreenPlayer(void); -void CL_Reset(void); -void CL_ClearPlayer(INT32 playernum); -void CL_QueryServerList(msg_server_t *list); -void CL_UpdateServerList(boolean internetsearch, INT32 room); -void CL_RemovePlayer(INT32 playernum, kickreason_t reason); -// Is there a game running -boolean Playing(void); - -// Broadcasts special packets to other players -// to notify of game exit -void D_QuitNetGame(void); - -//? How many ticks to run? -boolean TryRunTics(tic_t realtic); - -// extra data for lmps -// these functions scare me. they contain magic. -/*boolean AddLmpExtradata(UINT8 **demo_p, INT32 playernum); -void ReadLmpExtraData(UINT8 **demo_pointer, INT32 playernum);*/ - -#ifndef NONET -// translate a playername in a player number return -1 if not found and -// print a error message in the console -SINT8 nametonum(const char *name); -#endif - -extern char motd[254], server_context[8]; -extern UINT8 playernode[MAXPLAYERS]; - -INT32 D_NumPlayers(void); -INT32 D_NumBots(void); -void D_ResetTiccmds(void); - -tic_t GetLag(INT32 node); -UINT8 GetFreeXCmdSize(void); - -void D_MD5PasswordPass(const UINT8 *buffer, size_t len, const char *salt, void *dest); - -extern UINT8 hu_redownloadinggamestate; - -extern UINT8 adminpassmd5[16]; -extern boolean adminpasswordset; - -extern boolean hu_stopped; - #endif diff --git a/src/netcode/server_connection.c b/src/netcode/server_connection.c new file mode 100644 index 000000000..2164f411a --- /dev/null +++ b/src/netcode/server_connection.c @@ -0,0 +1,507 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file server_connection.c +/// \brief Server-side part of connection handling + +#include "server_connection.h" +#include "i_net.h" +#include "d_clisrv.h" +#include "d_netfil.h" +#include "mserv.h" +#include "net_command.h" +#include "gamestate.h" +#include "../byteptr.h" +#include "../g_game.h" +#include "../g_state.h" +#include "../p_setup.h" +#include "../p_tick.h" +#include "../command.h" +#include "../doomstat.h" + +// Minimum timeout for sending the savegame +// The actual timeout will be longer depending on the savegame length +tic_t jointimeout = (10*TICRATE); + +// Incremented by cv_joindelay when a client joins, decremented each tic. +// If higher than cv_joindelay * 2 (3 joins in a short timespan), joins are temporarily disabled. +tic_t joindelay = 0; + +// Minimum timeout for sending the savegame +// The actual timeout will be longer depending on the savegame length +char playeraddress[MAXPLAYERS][64]; + +consvar_t cv_showjoinaddress = CVAR_INIT ("showjoinaddress", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); + +consvar_t cv_allownewplayer = CVAR_INIT ("allowjoin", "On", CV_SAVE|CV_NETVAR|CV_ALLOWLUA, CV_OnOff, NULL); + +static CV_PossibleValue_t maxplayers_cons_t[] = {{2, "MIN"}, {32, "MAX"}, {0, NULL}}; +consvar_t cv_maxplayers = CVAR_INIT ("maxplayers", "8", CV_SAVE|CV_NETVAR|CV_ALLOWLUA, maxplayers_cons_t, NULL); + +static CV_PossibleValue_t joindelay_cons_t[] = {{1, "MIN"}, {3600, "MAX"}, {0, "Off"}, {0, NULL}}; +consvar_t cv_joindelay = CVAR_INIT ("joindelay", "10", CV_SAVE|CV_NETVAR, joindelay_cons_t, NULL); + +static CV_PossibleValue_t rejointimeout_cons_t[] = {{1, "MIN"}, {60 * FRACUNIT, "MAX"}, {0, "Off"}, {0, NULL}}; +consvar_t cv_rejointimeout = CVAR_INIT ("rejointimeout", "2", CV_SAVE|CV_NETVAR|CV_FLOAT, rejointimeout_cons_t, NULL); + +static INT32 FindRejoinerNum(SINT8 node) +{ + char addressbuffer[64]; + const char *nodeaddress; + const char *strippednodeaddress; + + // Make sure there is no dead dress before proceeding to the stripping + if (!I_GetNodeAddress) + return -1; + nodeaddress = I_GetNodeAddress(node); + if (!nodeaddress) + return -1; + + // Strip the address of its port + strcpy(addressbuffer, nodeaddress); + strippednodeaddress = I_NetSplitAddress(addressbuffer, NULL); + + // Check if any player matches the stripped address + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + if (playeringame[i] && playeraddress[i][0] && playernode[i] == UINT8_MAX + && !strcmp(playeraddress[i], strippednodeaddress)) + return i; + } + + return -1; +} + +static UINT8 +GetRefuseReason (INT32 node) +{ + if (!node || FindRejoinerNum(node) != -1) + return 0; + else if (bannednode && bannednode[node]) + return REFUSE_BANNED; + else if (!cv_allownewplayer.value) + return REFUSE_JOINS_DISABLED; + else if (D_NumPlayers() >= cv_maxplayers.value) + return REFUSE_SLOTS_FULL; + else + return 0; +} + +static void SV_SendServerInfo(INT32 node, tic_t servertime) +{ + UINT8 *p; + + netbuffer->packettype = PT_SERVERINFO; + netbuffer->u.serverinfo._255 = 255; + netbuffer->u.serverinfo.packetversion = PACKETVERSION; + netbuffer->u.serverinfo.version = VERSION; + netbuffer->u.serverinfo.subversion = SUBVERSION; + strncpy(netbuffer->u.serverinfo.application, SRB2APPLICATION, + sizeof netbuffer->u.serverinfo.application); + // return back the time value so client can compute their ping + netbuffer->u.serverinfo.time = (tic_t)LONG(servertime); + netbuffer->u.serverinfo.leveltime = (tic_t)LONG(leveltime); + + // Exclude bots from both counts + netbuffer->u.serverinfo.numberofplayer = (UINT8)(D_NumPlayers() - D_NumBots()); + netbuffer->u.serverinfo.maxplayer = (UINT8)(cv_maxplayers.value - D_NumBots()); + + netbuffer->u.serverinfo.refusereason = GetRefuseReason(node); + + strncpy(netbuffer->u.serverinfo.gametypename, Gametype_Names[gametype], + sizeof netbuffer->u.serverinfo.gametypename); + netbuffer->u.serverinfo.modifiedgame = (UINT8)modifiedgame; + netbuffer->u.serverinfo.cheatsenabled = CV_CheatsEnabled(); + netbuffer->u.serverinfo.flags = (dedicated ? SV_DEDICATED : 0); + strncpy(netbuffer->u.serverinfo.servername, cv_servername.string, + MAXSERVERNAME); + strncpy(netbuffer->u.serverinfo.mapname, G_BuildMapName(gamemap), 7); + + M_Memcpy(netbuffer->u.serverinfo.mapmd5, mapmd5, 16); + + memset(netbuffer->u.serverinfo.maptitle, 0, sizeof netbuffer->u.serverinfo.maptitle); + + if (mapheaderinfo[gamemap-1] && *mapheaderinfo[gamemap-1]->lvlttl) + { + char *read = mapheaderinfo[gamemap-1]->lvlttl, *writ = netbuffer->u.serverinfo.maptitle; + while (writ < (netbuffer->u.serverinfo.maptitle+32) && *read != '\0') + { + if (!(*read & 0x80)) + { + *writ = toupper(*read); + writ++; + } + read++; + } + *writ = '\0'; + //strncpy(netbuffer->u.serverinfo.maptitle, (char *)mapheaderinfo[gamemap-1]->lvlttl, 33); + } + else + strncpy(netbuffer->u.serverinfo.maptitle, "UNKNOWN", 32); + + if (mapheaderinfo[gamemap-1] && !(mapheaderinfo[gamemap-1]->levelflags & LF_NOZONE)) + netbuffer->u.serverinfo.iszone = 1; + else + netbuffer->u.serverinfo.iszone = 0; + + if (mapheaderinfo[gamemap-1]) + netbuffer->u.serverinfo.actnum = mapheaderinfo[gamemap-1]->actnum; + + p = PutFileNeeded(0); + + HSendPacket(node, false, 0, p - ((UINT8 *)&netbuffer->u)); +} + +static void SV_SendPlayerInfo(INT32 node) +{ + netbuffer->packettype = PT_PLAYERINFO; + + for (UINT8 i = 0; i < MAXPLAYERS; i++) + { + if (!playeringame[i]) + { + netbuffer->u.playerinfo[i].num = 255; // This slot is empty. + continue; + } + + netbuffer->u.playerinfo[i].num = i; + strncpy(netbuffer->u.playerinfo[i].name, (const char *)&player_names[i], MAXPLAYERNAME+1); + netbuffer->u.playerinfo[i].name[MAXPLAYERNAME] = '\0'; + + //fetch IP address + //No, don't do that, you fuckface. + memset(netbuffer->u.playerinfo[i].address, 0, 4); + + if (G_GametypeHasTeams()) + { + if (!players[i].ctfteam) + netbuffer->u.playerinfo[i].team = 255; + else + netbuffer->u.playerinfo[i].team = (UINT8)players[i].ctfteam; + } + else + { + if (players[i].spectator) + netbuffer->u.playerinfo[i].team = 255; + else + netbuffer->u.playerinfo[i].team = 0; + } + + netbuffer->u.playerinfo[i].score = LONG(players[i].score); + netbuffer->u.playerinfo[i].timeinserver = SHORT((UINT16)(players[i].jointime / TICRATE)); + netbuffer->u.playerinfo[i].skin = (UINT8)(players[i].skin +#ifdef DEVELOP // it's safe to do this only because PLAYERINFO isn't read by the game itself + % 3 +#endif + ); + + // Extra data + netbuffer->u.playerinfo[i].data = 0; //players[i].skincolor; + + if (players[i].pflags & PF_TAGIT) + netbuffer->u.playerinfo[i].data |= 0x20; + + if (players[i].gotflag) + netbuffer->u.playerinfo[i].data |= 0x40; + + if (players[i].powers[pw_super]) + netbuffer->u.playerinfo[i].data |= 0x80; + } + + HSendPacket(node, false, 0, sizeof(plrinfo_pak) * MAXPLAYERS); +} + +/** Sends a PT_SERVERCFG packet + * + * \param node The destination + * \return True if the packet was successfully sent + * + */ +static boolean SV_SendServerConfig(INT32 node) +{ + boolean waspacketsent; + + netbuffer->packettype = PT_SERVERCFG; + + netbuffer->u.servercfg.serverplayer = (UINT8)serverplayer; + netbuffer->u.servercfg.totalslotnum = (UINT8)(doomcom->numslots); + netbuffer->u.servercfg.gametic = (tic_t)LONG(gametic); + netbuffer->u.servercfg.clientnode = (UINT8)node; + netbuffer->u.servercfg.gamestate = (UINT8)gamestate; + netbuffer->u.servercfg.gametype = (UINT8)gametype; + netbuffer->u.servercfg.modifiedgame = (UINT8)modifiedgame; + netbuffer->u.servercfg.usedCheats = (UINT8)usedCheats; + + memcpy(netbuffer->u.servercfg.server_context, server_context, 8); + + { + const size_t len = sizeof (serverconfig_pak); + +#ifdef DEBUGFILE + if (debugfile) + { + fprintf(debugfile, "ServerConfig Packet about to be sent, size of packet:%s to node:%d\n", + sizeu1(len), node); + } +#endif + + waspacketsent = HSendPacket(node, true, 0, len); + } + +#ifdef DEBUGFILE + if (debugfile) + { + if (waspacketsent) + { + fprintf(debugfile, "ServerConfig Packet was sent\n"); + } + else + { + fprintf(debugfile, "ServerConfig Packet could not be sent right now\n"); + } + } +#endif + + return waspacketsent; +} + +// Adds a node to the game (player will follow at map change or at savegame....) +static inline void SV_AddNode(INT32 node) +{ + netnodes[node].tic = gametic; + netnodes[node].supposedtic = gametic; + // little hack because the server connects to itself and puts + // nodeingame when connected not here + if (node) + netnodes[node].ingame = true; +} + +static void SV_AddPlayer(SINT8 node, const char *name) +{ + INT32 n; + UINT8 buf[2 + MAXPLAYERNAME]; + UINT8 *p; + INT32 newplayernum; + + newplayernum = FindRejoinerNum(node); + if (newplayernum == -1) + { + // search for a free playernum + // we can't use playeringame since it is not updated here + for (newplayernum = dedicated ? 1 : 0; newplayernum < MAXPLAYERS; newplayernum++) + { + if (playeringame[newplayernum]) + continue; + for (n = 0; n < MAXNETNODES; n++) + if (netnodes[n].player == newplayernum || netnodes[n].player2 == newplayernum) + break; + if (n == MAXNETNODES) + break; + } + } + + // should never happen since we check the playernum + // before accepting the join + I_Assert(newplayernum < MAXPLAYERS); + + playernode[newplayernum] = (UINT8)node; + + p = buf + 2; + buf[0] = (UINT8)node; + buf[1] = newplayernum; + if (netnodes[node].numplayers < 1) + { + netnodes[node].player = newplayernum; + } + else + { + netnodes[node].player2 = newplayernum; + buf[1] |= 0x80; + } + WRITESTRINGN(p, name, MAXPLAYERNAME); + netnodes[node].numplayers++; + + SendNetXCmd(XD_ADDPLAYER, &buf, p - buf); + + DEBFILE(va("Server added player %d node %d\n", newplayernum, node)); +} + +static void SV_SendRefuse(INT32 node, const char *reason) +{ + strcpy(netbuffer->u.serverrefuse.reason, reason); + + netbuffer->packettype = PT_SERVERREFUSE; + HSendPacket(node, true, 0, strlen(netbuffer->u.serverrefuse.reason) + 1); + Net_CloseConnection(node); +} + +static const char * +GetRefuseMessage (SINT8 node, INT32 rejoinernum) +{ + clientconfig_pak *cc = &netbuffer->u.clientcfg; + + boolean rejoining = (rejoinernum != -1); + + if (!node)/* server connecting to itself */ + return NULL; + + if ( + cc->modversion != MODVERSION || + strncmp(cc->application, SRB2APPLICATION, + sizeof cc->application) + ){ + return/* this is probably client's fault */ + "Incompatible."; + } + else if (bannednode && bannednode[node]) + { + return + "You have been banned\n" + "from the server."; + } + else if (cc->localplayers != 1) + { + return + "Wrong player count."; + } + + if (!rejoining) + { + if (!cv_allownewplayer.value) + { + return + "The server is not accepting\n" + "joins for the moment."; + } + else if (D_NumPlayers() >= cv_maxplayers.value) + { + return va( + "Maximum players reached: %d", + cv_maxplayers.value); + } + } + + if (luafiletransfers) + { + return + "The serveris broadcasting a file\n" + "requested by a Lua script.\n" + "Please wait a bit and then\n" + "try rejoining."; + } + + if (netgame) + { + const tic_t th = 2 * cv_joindelay.value * TICRATE; + + if (joindelay > th) + { + return va( + "Too many people are connecting.\n" + "Please wait %d seconds and then\n" + "try rejoining.", + (joindelay - th) / TICRATE); + } + } + + return NULL; +} + +/** Called when a PT_CLIENTJOIN packet is received + * + * \param node The packet sender + * + */ +void PT_ClientJoin(SINT8 node) +{ + char names[MAXSPLITSCREENPLAYERS][MAXPLAYERNAME + 1]; + INT32 numplayers = netbuffer->u.clientcfg.localplayers; + INT32 rejoinernum; + + // Ignore duplicate packets + if (client || netnodes[node].ingame) + return; + + rejoinernum = FindRejoinerNum(node); + + const char *refuse = GetRefuseMessage(node, rejoinernum); + if (refuse) + { + SV_SendRefuse(node, refuse); + return; + } + + for (INT32 i = 0; i < numplayers; i++) + { + strlcpy(names[i], netbuffer->u.clientcfg.names[i], MAXPLAYERNAME + 1); + if (!EnsurePlayerNameIsGood(names[i], rejoinernum)) + { + SV_SendRefuse(node, "Bad player name"); + return; + } + } + + SV_AddNode(node); + + if (!SV_SendServerConfig(node)) + { + /// \note Shouldn't SV_SendRefuse be called before ResetNode? + ResetNode(node); + SV_SendRefuse(node, M_GetText("Server couldn't send info, please try again")); + /// \todo fix this !!! + return; + } + DEBFILE("new node joined\n"); + + if (gamestate == GS_LEVEL || gamestate == GS_INTERMISSION) + { + SV_SendSaveGame(node, false); // send a complete game state + DEBFILE("send savegame\n"); + } + + // Splitscreen can allow 2 players in one node + for (INT32 i = 0; i < numplayers; i++) + SV_AddPlayer(node, names[i]); + + joindelay += cv_joindelay.value * TICRATE; +} + +void PT_AskInfoViaMS(SINT8 node) +{ + Net_CloseConnection(node); +} + +void PT_TellFilesNeeded(SINT8 node) +{ + if (server && serverrunning) + { + UINT8 *p; + INT32 firstfile = netbuffer->u.filesneedednum; + + netbuffer->packettype = PT_MOREFILESNEEDED; + netbuffer->u.filesneededcfg.first = firstfile; + netbuffer->u.filesneededcfg.more = 0; + + p = PutFileNeeded(firstfile); + + HSendPacket(node, false, 0, p - ((UINT8 *)&netbuffer->u)); + } + else // Shouldn't get this if you aren't the server...? + Net_CloseConnection(node); +} + +void PT_AskInfo(SINT8 node) +{ + if (server && serverrunning) + { + SV_SendServerInfo(node, (tic_t)LONG(netbuffer->u.askinfo.time)); + SV_SendPlayerInfo(node); // Send extra info + } + Net_CloseConnection(node); +} diff --git a/src/netcode/server_connection.h b/src/netcode/server_connection.h new file mode 100644 index 000000000..14ac5913c --- /dev/null +++ b/src/netcode/server_connection.h @@ -0,0 +1,30 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file server_connection.h +/// \brief Server-side part of connection handling + +#ifndef __D_SERVER_CONNECTION__ +#define __D_SERVER_CONNECTION__ + +#include "../command.h" +#include "../doomdef.h" +#include "../doomtype.h" + +void PT_ClientJoin(SINT8 node); +void PT_AskInfoViaMS(SINT8 node); +void PT_TellFilesNeeded(SINT8 node); +void PT_AskInfo(SINT8 node); + +extern tic_t jointimeout; +extern tic_t joindelay; +extern char playeraddress[MAXPLAYERS][64]; +extern consvar_t cv_showjoinaddress, cv_allownewplayer, cv_maxplayers, cv_joindelay, cv_rejointimeout; + +#endif diff --git a/src/netcode/tic_command.c b/src/netcode/tic_command.c new file mode 100644 index 000000000..7721bc3f1 --- /dev/null +++ b/src/netcode/tic_command.c @@ -0,0 +1,471 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file tic_command.c +/// \brief Tic command handling + +#include "tic_command.h" +#include "d_clisrv.h" +#include "net_command.h" +#include "client_connection.h" +#include "gamestate.h" +#include "i_net.h" +#include "../d_main.h" +#include "../g_game.h" +#include "../i_system.h" +#include "../i_time.h" +#include "../byteptr.h" +#include "../doomstat.h" +#include "../doomtype.h" + +tic_t firstticstosend; // Smallest netnode.tic +tic_t tictoclear = 0; // Optimize D_ClearTiccmd +ticcmd_t localcmds; +ticcmd_t localcmds2; +boolean cl_packetmissed; +ticcmd_t netcmds[BACKUPTICS][MAXPLAYERS]; + +static inline void *G_DcpyTiccmd(void* dest, const ticcmd_t* src, const size_t n) +{ + const size_t d = n / sizeof(ticcmd_t); + const size_t r = n % sizeof(ticcmd_t); + UINT8 *ret = dest; + + if (r) + M_Memcpy(dest, src, n); + else if (d) + G_MoveTiccmd(dest, src, d); + return ret+n; +} + +static inline void *G_ScpyTiccmd(ticcmd_t* dest, void* src, const size_t n) +{ + const size_t d = n / sizeof(ticcmd_t); + const size_t r = n % sizeof(ticcmd_t); + UINT8 *ret = src; + + if (r) + M_Memcpy(dest, src, n); + else if (d) + G_MoveTiccmd(dest, src, d); + return ret+n; +} + +/** Guesses the full value of a tic from its lowest byte, for a specific node + * + * \param low The lowest byte of the tic value + * \param node The node to deduce the tic for + * \return The full tic value + * + */ +tic_t ExpandTics(INT32 low, INT32 node) +{ + INT32 delta; + + delta = low - (netnodes[node].tic & UINT8_MAX); + + if (delta >= -64 && delta <= 64) + return (netnodes[node].tic & ~UINT8_MAX) + low; + else if (delta > 64) + return (netnodes[node].tic & ~UINT8_MAX) - 256 + low; + else //if (delta < -64) + return (netnodes[node].tic & ~UINT8_MAX) + 256 + low; +} + +void D_Clearticcmd(tic_t tic) +{ + D_FreeTextcmd(tic); + + for (INT32 i = 0; i < MAXPLAYERS; i++) + netcmds[tic%BACKUPTICS][i].angleturn = 0; + + DEBFILE(va("clear tic %5u (%2u)\n", tic, tic%BACKUPTICS)); +} + +void D_ResetTiccmds(void) +{ + memset(&localcmds, 0, sizeof(ticcmd_t)); + memset(&localcmds2, 0, sizeof(ticcmd_t)); + + // Reset the net command list + for (INT32 i = 0; i < TEXTCMD_HASH_SIZE; i++) + while (textcmds[i]) + D_Clearticcmd(textcmds[i]->tic); +} + +// Check ticcmd for "speed hacks" +static void CheckTiccmdHacks(INT32 playernum, tic_t tic) +{ + ticcmd_t *cmd = &netcmds[tic%BACKUPTICS][playernum]; + if (cmd->forwardmove > MAXPLMOVE || cmd->forwardmove < -MAXPLMOVE + || cmd->sidemove > MAXPLMOVE || cmd->sidemove < -MAXPLMOVE) + { + CONS_Alert(CONS_WARNING, M_GetText("Illegal movement value received from node %d\n"), playernum); + SendKick(playernum, KICK_MSG_CON_FAIL); + } +} + +// Check player consistancy during the level +static void CheckConsistancy(SINT8 nodenum, tic_t tic) +{ + netnode_t *node = &netnodes[nodenum]; + INT16 neededconsistancy = consistancy[tic%BACKUPTICS]; + INT16 clientconsistancy = SHORT(netbuffer->u.clientpak.consistancy); + + if (tic > gametic || tic + BACKUPTICS - 1 <= gametic || gamestate != GS_LEVEL + || neededconsistancy == clientconsistancy || SV_ResendingSavegameToAnyone() + || node->resendingsavegame || node->savegameresendcooldown > I_GetTime()) + return; + + if (cv_resynchattempts.value) + { + // Tell the client we are about to resend them the gamestate + netbuffer->packettype = PT_WILLRESENDGAMESTATE; + HSendPacket(nodenum, true, 0, 0); + + node->resendingsavegame = true; + + if (cv_blamecfail.value) + CONS_Printf(M_GetText("Synch failure for player %d (%s); expected %hd, got %hd\n"), + node->player+1, player_names[node->player], + neededconsistancy, clientconsistancy); + + DEBFILE(va("Restoring player %d (synch failure) [%update] %d!=%d\n", + node->player, tic, neededconsistancy, clientconsistancy)); + } + else + { + SendKick(node->player, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); + + DEBFILE(va("player %d kicked (synch failure) [%u] %d!=%d\n", + node->player, tic, neededconsistancy, clientconsistancy)); + } +} + +void PT_ClientCmd(SINT8 nodenum, INT32 netconsole) +{ + netnode_t *node = &netnodes[nodenum]; + tic_t realend, realstart; + + if (client) + return; + + // To save bytes, only the low byte of tic numbers are sent + // Use ExpandTics to figure out what the rest of the bytes are + realstart = ExpandTics(netbuffer->u.clientpak.client_tic, nodenum); + realend = ExpandTics(netbuffer->u.clientpak.resendfrom, nodenum); + + if (netbuffer->packettype == PT_CLIENTMIS || netbuffer->packettype == PT_CLIENT2MIS + || netbuffer->packettype == PT_NODEKEEPALIVEMIS + || node->supposedtic < realend) + { + node->supposedtic = realend; + } + // Discard out of order packet + if (node->tic > realend) + { + DEBFILE(va("out of order ticcmd discarded nettics = %u\n", node->tic)); + return; + } + + // Update the nettics + node->tic = realend; + + // This should probably still timeout though, as the node should always have a player 1 number + if (netconsole == -1) + return; + + // As long as clients send valid ticcmds, the server can keep running, so reset the timeout + /// \todo Use a separate cvar for that kind of timeout? + node->freezetimeout = I_GetTime() + connectiontimeout; + + // Don't do anything for packets of type NODEKEEPALIVE? + // Sryder 2018/07/01: Update the freezetimeout still! + if (netbuffer->packettype == PT_NODEKEEPALIVE + || netbuffer->packettype == PT_NODEKEEPALIVEMIS) + return; + + // If we've alredy received a ticcmd for this tic, just submit it for the next one. + tic_t faketic = maketic; + if ((!!(netcmds[maketic % BACKUPTICS][netconsole].angleturn & TICCMD_RECEIVED)) + && (maketic - firstticstosend < BACKUPTICS - 1)) + faketic++; + + // Copy ticcmd + G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][netconsole], &netbuffer->u.clientpak.cmd, 1); + + // Splitscreen cmd + if ((netbuffer->packettype == PT_CLIENT2CMD || netbuffer->packettype == PT_CLIENT2MIS) + && node->player2 >= 0) + G_MoveTiccmd(&netcmds[faketic%BACKUPTICS][(UINT8)node->player2], + &netbuffer->u.client2pak.cmd2, 1); + + CheckTiccmdHacks(netconsole, faketic); + CheckConsistancy(nodenum, realstart); +} + +void PT_ServerTics(SINT8 node, INT32 netconsole) +{ + tic_t realend, realstart; + servertics_pak *packet = &netbuffer->u.serverpak; + + if (!netnodes[node].ingame) + { + // Do not remove my own server (we have just get a out of order packet) + if (node != servernode) + { + DEBFILE(va("unknown packet received (%d) from unknown host\n",netbuffer->packettype)); + Net_CloseConnection(node); + } + return; + } + + // Only accept PT_SERVERTICS from the server. + if (node != servernode) + { + CONS_Alert(CONS_WARNING, M_GetText("%s received from non-host %d\n"), "PT_SERVERTICS", node); + if (server) + SendKick(netconsole, KICK_MSG_CON_FAIL | KICK_MSG_KEEP_BODY); + return; + } + + realstart = packet->starttic; + realend = realstart + packet->numtics; + + realend = min(realend, gametic + CLIENTBACKUPTICS); + cl_packetmissed = realstart > neededtic; + + if (realstart <= neededtic && realend > neededtic) + { + UINT8 *pak = (UINT8 *)&packet->cmds; + UINT8 *txtpak = (UINT8 *)&packet->cmds[packet->numslots * packet->numtics]; + + for (tic_t i = realstart; i < realend; i++) + { + // clear first + D_Clearticcmd(i); + + // copy the tics + pak = G_ScpyTiccmd(netcmds[i%BACKUPTICS], pak, + packet->numslots*sizeof (ticcmd_t)); + + CL_CopyNetCommandsFromServerPacket(i, &txtpak); + } + + neededtic = realend; + } + else + { + DEBFILE(va("frame not in bound: %u\n", neededtic)); + } +} + +// send the client packet to the server +void CL_SendClientCmd(void) +{ + size_t packetsize = 0; + boolean mis = false; + + netbuffer->packettype = PT_CLIENTCMD; + + if (cl_packetmissed) + { + netbuffer->packettype = PT_CLIENTMIS; + mis = true; + } + + netbuffer->u.clientpak.resendfrom = (UINT8)(neededtic & UINT8_MAX); + netbuffer->u.clientpak.client_tic = (UINT8)(gametic & UINT8_MAX); + + if (gamestate == GS_WAITINGPLAYERS) + { + // Send PT_NODEKEEPALIVE packet + netbuffer->packettype = (mis ? PT_NODEKEEPALIVEMIS : PT_NODEKEEPALIVE); + packetsize = sizeof (clientcmd_pak) - sizeof (ticcmd_t) - sizeof (INT16); + HSendPacket(servernode, false, 0, packetsize); + } + else if (gamestate != GS_NULL && (addedtogame || dedicated)) + { + packetsize = sizeof (clientcmd_pak); + G_MoveTiccmd(&netbuffer->u.clientpak.cmd, &localcmds, 1); + netbuffer->u.clientpak.consistancy = SHORT(consistancy[gametic%BACKUPTICS]); + + // Send a special packet with 2 cmd for splitscreen + if (splitscreen || botingame) + { + netbuffer->packettype = (mis ? PT_CLIENT2MIS : PT_CLIENT2CMD); + packetsize = sizeof (client2cmd_pak); + G_MoveTiccmd(&netbuffer->u.client2pak.cmd2, &localcmds2, 1); + } + + HSendPacket(servernode, false, 0, packetsize); + } + + if (cl_mode == CL_CONNECTED || dedicated) + CL_SendNetCommands(); +} + +// PT_SERVERTICS packets can grow too large for a single UDP packet, +// So this checks how many tics worth of data can be sent in one packet. +// The rest can be sent later, usually the next tic. +static tic_t SV_CalculateNumTicsForPacket(SINT8 nodenum, tic_t firsttic, tic_t lasttic) +{ + size_t size = BASESERVERTICSSIZE; + + for (tic_t tic = firsttic; tic < lasttic; tic++) + { + size += sizeof (ticcmd_t) * doomcom->numslots; + size += TotalTextCmdPerTic(tic); + + if (size > software_MAXPACKETLENGTH) + { + DEBFILE(va("packet too large (%s) at tic %d (should be from %d to %d)\n", + sizeu1(size), tic, firsttic, lasttic)); + lasttic = tic; + + // Too bad: too many players have sent extra data + // and there is too much data for a single tic. + // To avoid that, keep the data for the next tic (see PT_TEXTCMD). + if (lasttic == firsttic) + { + if (size > MAXPACKETLENGTH) + I_Error("Too many players: can't send %s data for %d players to node %d\n" + "Well sorry nobody is perfect....\n", + sizeu1(size), doomcom->numslots, nodenum); + else + { + lasttic++; // send it anyway! + DEBFILE("sending it anyway\n"); + } + } + break; + } + } + + return lasttic - firsttic; +} + +// Sends the server packet +// Sends tic/net commands from firstticstosend to maketic-1 +void SV_SendTics(void) +{ + tic_t realfirsttic, lasttictosend; + + // Send to all clients except yourself + // For each node, create a packet with x tics and send it + // x is computed using node.supposedtic, max packet size and maketic + for (INT32 n = 1; n < MAXNETNODES; n++) + if (netnodes[n].ingame) + { + netnode_t *node = &netnodes[n]; + + // assert node->supposedtic>=node->tic + realfirsttic = node->supposedtic; + lasttictosend = min(maketic, node->tic + CLIENTBACKUPTICS); + + if (realfirsttic >= lasttictosend) + { + // Well, we have sent all the tics, so we will use extra bandwidth + // to resend packets that are supposed lost. + // This is necessary since lost packet detection + // works when we receive a packet with firsttic > neededtic (PT_SERVERTICS) + DEBFILE(va("Nothing to send node %u mak=%u sup=%u net=%u \n", + n, maketic, node->supposedtic, node->tic)); + + realfirsttic = node->tic; + + if (realfirsttic >= lasttictosend || (I_GetTime() + n)&3) + // All tics are Ok + continue; + + DEBFILE(va("Sent %d anyway\n", realfirsttic)); + } + realfirsttic = max(realfirsttic, firstticstosend); + + lasttictosend = realfirsttic + SV_CalculateNumTicsForPacket(n, realfirsttic, lasttictosend); + + // Prepare the packet header + netbuffer->packettype = PT_SERVERTICS; + netbuffer->u.serverpak.starttic = realfirsttic; + netbuffer->u.serverpak.numtics = (UINT8)(lasttictosend - realfirsttic); + netbuffer->u.serverpak.numslots = (UINT8)SHORT(doomcom->numslots); + + // Fill and send the packet + UINT8 *bufpos = (UINT8 *)&netbuffer->u.serverpak.cmds; + for (tic_t i = realfirsttic; i < lasttictosend; i++) + bufpos = G_DcpyTiccmd(bufpos, netcmds[i%BACKUPTICS], doomcom->numslots * sizeof (ticcmd_t)); + for (tic_t i = realfirsttic; i < lasttictosend; i++) + SV_WriteNetCommandsForTic(i, &bufpos); + size_t packsize = bufpos - (UINT8 *)&(netbuffer->u); + HSendPacket(n, false, 0, packsize); + + // When tics are too large, only one tic is sent so don't go backwards! + if (lasttictosend-doomcom->extratics > realfirsttic) + node->supposedtic = lasttictosend-doomcom->extratics; + else + node->supposedtic = lasttictosend; + node->supposedtic = max(node->supposedtic, node->tic); + } + + // node 0 is me! + netnodes[0].supposedtic = maketic; +} + +void Local_Maketic(INT32 realtics) +{ + I_OsPolling(); // I_Getevent + D_ProcessEvents(); // menu responder, cons responder, + // game responder calls HU_Responder, AM_Responder, + // and G_MapEventsToControls + if (!dedicated) + rendergametic = gametic; + // translate inputs (keyboard/mouse/joystick) into game controls + G_BuildTiccmd(&localcmds, realtics, 1); + if (splitscreen || botingame) + G_BuildTiccmd(&localcmds2, realtics, 2); + + localcmds.angleturn |= TICCMD_RECEIVED; + localcmds2.angleturn |= TICCMD_RECEIVED; +} + +// create missed tic +void SV_Maketic(void) +{ + for (INT32 i = 0; i < MAXPLAYERS; i++) + { + if (!playeringame[i]) + continue; + + // We didn't receive this tic + if ((netcmds[maketic % BACKUPTICS][i].angleturn & TICCMD_RECEIVED) == 0) + { + ticcmd_t * ticcmd = &netcmds[(maketic ) % BACKUPTICS][i]; + ticcmd_t *prevticcmd = &netcmds[(maketic - 1) % BACKUPTICS][i]; + + if (players[i].quittime) + { + // Copy the angle/aiming from the previous tic + // and empty the other inputs + memset(ticcmd, 0, sizeof(netcmds[0][0])); + ticcmd->angleturn = prevticcmd->angleturn | TICCMD_RECEIVED; + ticcmd->aiming = prevticcmd->aiming; + } + else + { + DEBFILE(va("MISS tic%4d for player %d\n", maketic, i)); + // Copy the input from the previous tic + *ticcmd = *prevticcmd; + ticcmd->angleturn &= ~TICCMD_RECEIVED; + } + } + } + + // All tics have been processed, make the next + maketic++; +} diff --git a/src/netcode/tic_command.h b/src/netcode/tic_command.h new file mode 100644 index 000000000..725037216 --- /dev/null +++ b/src/netcode/tic_command.h @@ -0,0 +1,44 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 1998-2000 by DooM Legacy Team. +// Copyright (C) 1999-2023 by Sonic Team Junior. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file tic_command.h +/// \brief Tic command handling + +#ifndef __D_TIC_COMMAND__ +#define __D_TIC_COMMAND__ + +#include "d_clisrv.h" +#include "../d_ticcmd.h" +#include "../doomdef.h" +#include "../doomtype.h" + +extern tic_t firstticstosend; // min of the nettics +extern tic_t tictoclear; // optimize d_clearticcmd + +extern ticcmd_t localcmds; +extern ticcmd_t localcmds2; +extern boolean cl_packetmissed; + +extern ticcmd_t netcmds[BACKUPTICS][MAXPLAYERS]; + +tic_t ExpandTics(INT32 low, INT32 node); +void D_Clearticcmd(tic_t tic); +void D_ResetTiccmds(void); + +void PT_ClientCmd(SINT8 nodenum, INT32 netconsole); +void PT_ServerTics(SINT8 node, INT32 netconsole); + +// send the client packet to the server +void CL_SendClientCmd(void); + +void SV_SendTics(void); +void Local_Maketic(INT32 realtics); +void SV_Maketic(void); + +#endif diff --git a/src/p_ceilng.c b/src/p_ceilng.c index 98e931362..61430d73f 100644 --- a/src/p_ceilng.c +++ b/src/p_ceilng.c @@ -17,7 +17,7 @@ #include "r_main.h" #include "s_sound.h" #include "z_zone.h" -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" // ========================================================================== // CEILINGS diff --git a/src/p_inter.c b/src/p_inter.c index 615507eb4..c3811cbe4 100644 --- a/src/p_inter.c +++ b/src/p_inter.c @@ -28,6 +28,7 @@ #include "m_misc.h" #include "v_video.h" // video flags for CEchos #include "f_finale.h" +#include "netcode/net_command.h" // CTF player names #define CTFTEAMCODE(pl) pl->ctfteam ? (pl->ctfteam == 1 ? "\x85" : "\x84") : "" diff --git a/src/p_lights.c b/src/p_lights.c index 4b6a3673b..971165e88 100644 --- a/src/p_lights.c +++ b/src/p_lights.c @@ -17,7 +17,7 @@ #include "r_state.h" #include "z_zone.h" #include "m_random.h" -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" /** Removes any active lighting effects in a sector. * diff --git a/src/p_mobj.c b/src/p_mobj.c index 7858e0d8c..a81845918 100644 --- a/src/p_mobj.c +++ b/src/p_mobj.c @@ -36,6 +36,7 @@ #include "p_slopes.h" #include "f_finale.h" #include "m_cond.h" +#include "netcode/net_command.h" static CV_PossibleValue_t CV_BobSpeed[] = {{0, "MIN"}, {4*FRACUNIT, "MAX"}, {0, NULL}}; consvar_t cv_movebob = CVAR_INIT ("movebob", "1.0", CV_FLOAT|CV_SAVE, CV_BobSpeed, NULL); diff --git a/src/p_setup.c b/src/p_setup.c index e0235c335..0390761b6 100644 --- a/src/p_setup.c +++ b/src/p_setup.c @@ -88,6 +88,8 @@ #include "taglist.h" +#include "netcode/net_command.h" + // // Map MD5, calculated on level load. // Sent to clients in PT_SERVERINFO. diff --git a/src/p_tick.c b/src/p_tick.c index ec5d8a2da..444b68d2f 100644 --- a/src/p_tick.c +++ b/src/p_tick.c @@ -26,6 +26,8 @@ #include "r_main.h" #include "r_fps.h" #include "i_video.h" // rendermode +#include "netcode/net_command.h" +#include "netcode/server_connection.h" // Object place #include "m_cheat.h" diff --git a/src/p_user.c b/src/p_user.c index a443b7323..24e3f8111 100644 --- a/src/p_user.c +++ b/src/p_user.c @@ -17,7 +17,8 @@ #include "doomdef.h" #include "i_system.h" #include "d_event.h" -#include "d_net.h" +#include "netcode/d_net.h" +#include "netcode/net_command.h" #include "g_game.h" #include "p_local.h" #include "r_fps.h" diff --git a/src/r_segs.c b/src/r_segs.c index 9af83f0c7..019a0d5c6 100644 --- a/src/r_segs.c +++ b/src/r_segs.c @@ -20,7 +20,7 @@ #include "w_wad.h" #include "z_zone.h" -#include "d_netcmd.h" +#include "netcode/d_netcmd.h" #include "m_misc.h" #include "p_local.h" // Camera... #include "p_slopes.h" diff --git a/src/r_things.c b/src/r_things.c index be9c5cdff..89c4f35eb 100644 --- a/src/r_things.c +++ b/src/r_things.c @@ -34,7 +34,7 @@ #include "p_tick.h" #include "p_local.h" #include "p_slopes.h" -#include "d_netfil.h" // blargh. for nameonly(). +#include "netcode/d_netfil.h" // blargh. for nameonly(). #include "m_cheat.h" // objectplace #ifdef HWRENDER #include "hardware/hw_md2.h" diff --git a/src/screen.c b/src/screen.c index 417e793bd..3f249f8d3 100644 --- a/src/screen.c +++ b/src/screen.c @@ -27,7 +27,7 @@ #include "hu_stuff.h" #include "z_zone.h" #include "d_main.h" -#include "d_clisrv.h" +#include "netcode/d_clisrv.h" #include "f_finale.h" #include "y_inter.h" // usebuffer #include "i_sound.h" // closed captions diff --git a/src/sdl/i_net.c b/src/sdl/i_net.c index ee4a34c13..515a85568 100644 --- a/src/sdl/i_net.c +++ b/src/sdl/i_net.c @@ -21,16 +21,16 @@ #include "../i_system.h" #include "../d_event.h" -#include "../d_net.h" +#include "../netcode/d_net.h" #include "../m_argv.h" #include "../doomstat.h" -#include "../i_net.h" +#include "../netcode/i_net.h" #include "../z_zone.h" -#include "../i_tcp.h" +#include "../netcode/i_tcp.h" #ifdef HAVE_SDL diff --git a/src/sdl/i_system.c b/src/sdl/i_system.c index be46cd804..f4f2eaf56 100644 --- a/src/sdl/i_system.c +++ b/src/sdl/i_system.c @@ -187,7 +187,8 @@ static char returnWadPath[256]; #include "../i_system.h" #include "../i_threads.h" #include "../screen.h" //vid.WndParent -#include "../d_net.h" +#include "../netcode/d_net.h" +#include "../netcode/commands.h" #include "../g_game.h" #include "../filesrch.h" #include "endtxt.h" @@ -208,7 +209,7 @@ static char returnWadPath[256]; #if !defined(NOMUMBLE) && defined(HAVE_MUMBLE) // Mumble context string -#include "../d_clisrv.h" +#include "../netcode/d_clisrv.h" #include "../byteptr.h" #endif @@ -2387,9 +2388,7 @@ void I_Quit(void) SDLforceUngrabMouse(); quiting = SDL_FALSE; M_SaveConfig(NULL); //save game config, cvars.. -#ifndef NONET D_SaveBan(); // save the ban list -#endif G_SaveGameData(clientGamedata); // Tails 12-08-2002 //added:16-02-98: when recording a demo, should exit using 'q' key, // but sometimes we forget and use 'F10'.. so save here too. @@ -2504,9 +2503,7 @@ void I_Error(const char *error, ...) // --- M_SaveConfig(NULL); // save game config, cvars.. -#ifndef NONET D_SaveBan(); // save the ban list -#endif G_SaveGameData(clientGamedata); // Tails 12-08-2002 // Shutdown. Here might be other errors. diff --git a/src/sdl/i_ttf.c b/src/sdl/i_ttf.c index f2cd497ee..1f838e9b4 100644 --- a/src/sdl/i_ttf.c +++ b/src/sdl/i_ttf.c @@ -21,7 +21,7 @@ #include "SDL_ttf.h" #include "../doomdef.h" #include "../doomstat.h" -#include "../d_netfil.h" +#include "../netcode/d_netfil.h" #include "../filesrch.h" #include "i_ttf.h" diff --git a/src/snake.c b/src/snake.c new file mode 100644 index 000000000..2349d5fdb --- /dev/null +++ b/src/snake.c @@ -0,0 +1,593 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 2023-2023 by Louis-Antoine de Moulins de Rochefort. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file snake.c +/// \brief Snake minigame for the download screen. + +#include "snake.h" +#include "g_input.h" +#include "g_game.h" +#include "i_joy.h" +#include "m_random.h" +#include "s_sound.h" +#include "screen.h" +#include "v_video.h" +#include "w_wad.h" +#include "z_zone.h" + +#define SPEED 5 + +#define NUM_BLOCKS_X 20 +#define NUM_BLOCKS_Y 10 +#define BLOCK_SIZE 12 +#define BORDER_SIZE 12 + +#define MAP_WIDTH (NUM_BLOCKS_X * BLOCK_SIZE) +#define MAP_HEIGHT (NUM_BLOCKS_Y * BLOCK_SIZE) + +#define LEFT_X ((BASEVIDWIDTH - MAP_WIDTH) / 2 - BORDER_SIZE) +#define RIGHT_X (LEFT_X + MAP_WIDTH + BORDER_SIZE * 2 - 1) +#define BOTTOM_Y (BASEVIDHEIGHT - 48) +#define TOP_Y (BOTTOM_Y - MAP_HEIGHT - BORDER_SIZE * 2 + 1) + +enum bonustype_s { + BONUS_NONE = 0, + BONUS_SLOW, + BONUS_FAST, + BONUS_GHOST, + BONUS_NUKE, + BONUS_SCISSORS, + BONUS_REVERSE, + BONUS_EGGMAN, + NUM_BONUSES, +}; + +typedef struct snake_s +{ + boolean paused; + boolean pausepressed; + tic_t time; + tic_t nextupdate; + boolean gameover; + UINT8 background; + + UINT16 snakelength; + enum bonustype_s snakebonus; + tic_t snakebonustime; + UINT8 snakex[NUM_BLOCKS_X * NUM_BLOCKS_Y]; + UINT8 snakey[NUM_BLOCKS_X * NUM_BLOCKS_Y]; + UINT8 snakedir[NUM_BLOCKS_X * NUM_BLOCKS_Y]; + + UINT8 applex; + UINT8 appley; + + enum bonustype_s bonustype; + UINT8 bonusx; + UINT8 bonusy; + + event_t *joyevents[MAXEVENTS]; + UINT16 joyeventcount; +} snake_t; + +static const char *bonuspatches[] = { + NULL, + "DL_SLOW", + "TVSSC0", + "TVIVC0", + "TVARC0", + "DL_SCISSORS", + "TVRCC0", + "TVEGC0", +}; + +static const char *backgrounds[] = { + "RVPUMICF", + "FRSTRCKF", + "TAR", + "MMFLRB4", + "RVDARKF1", + "RVZWALF1", + "RVZWALF4", + "RVZWALF5", + "RVZGRS02", + "RVZGRS04", +}; + +static void Initialise(snake_t *snake) +{ + snake->paused = false; + snake->pausepressed = false; + snake->time = 0; + snake->nextupdate = SPEED; + snake->gameover = false; + snake->background = M_RandomKey(sizeof(backgrounds) / sizeof(*backgrounds)); + + snake->snakelength = 1; + snake->snakebonus = BONUS_NONE; + snake->snakex[0] = M_RandomKey(NUM_BLOCKS_X); + snake->snakey[0] = M_RandomKey(NUM_BLOCKS_Y); + snake->snakedir[0] = 0; + snake->snakedir[1] = 0; + + snake->applex = M_RandomKey(NUM_BLOCKS_X); + snake->appley = M_RandomKey(NUM_BLOCKS_Y); + + snake->bonustype = BONUS_NONE; + + snake->joyeventcount = 0; +} + +static UINT8 GetOppositeDir(UINT8 dir) +{ + if (dir == 1 || dir == 3) + return dir + 1; + else if (dir == 2 || dir == 4) + return dir - 1; + else + return 12 + 5 - dir; +} + +static void FindFreeSlot(snake_t *snake, UINT8 *freex, UINT8 *freey, UINT8 headx, UINT8 heady) +{ + UINT8 x, y; + UINT16 i; + + do + { + x = M_RandomKey(NUM_BLOCKS_X); + y = M_RandomKey(NUM_BLOCKS_Y); + + for (i = 0; i < snake->snakelength; i++) + if (x == snake->snakex[i] && y == snake->snakey[i]) + break; + } while (i < snake->snakelength || (x == headx && y == heady) + || (x == snake->applex && y == snake->appley) + || (snake->bonustype != BONUS_NONE && x == snake->bonusx && y == snake->bonusy)); + + *freex = x; + *freey = y; +} + +void Snake_Allocate(void **opaque) +{ + if (*opaque) + Snake_Free(opaque); + *opaque = malloc(sizeof(snake_t)); + Initialise(*opaque); +} + +void Snake_Update(void *opaque) +{ + UINT8 x, y; + UINT8 oldx, oldy; + UINT16 i; + UINT16 joystate = 0; + static INT32 pjoyx = 0, pjoyy = 0; + + snake_t *snake = opaque; + + // Handle retry + if (snake->gameover && (PLAYER1INPUTDOWN(GC_JUMP) || gamekeydown[KEY_ENTER])) + { + Initialise(snake); + snake->pausepressed = true; // Avoid accidental pause on respawn + } + + // Handle pause + if (PLAYER1INPUTDOWN(GC_PAUSE) || gamekeydown[KEY_ENTER]) + { + if (!snake->pausepressed) + snake->paused = !snake->paused; + snake->pausepressed = true; + } + else + snake->pausepressed = false; + + if (snake->paused) + return; + + snake->time++; + + x = snake->snakex[0]; + y = snake->snakey[0]; + oldx = snake->snakex[1]; + oldy = snake->snakey[1]; + + // Process the input events in here dear lord + for (UINT16 j = 0; j < snake->joyeventcount; j++) + { + event_t *ev = snake->joyevents[j]; + const INT32 jdeadzone = (JOYAXISRANGE * cv_digitaldeadzone.value) / FRACUNIT; + if (ev->y != INT32_MAX) + { + if (Joystick.bGamepadStyle || abs(ev->y) > jdeadzone) + { + if (ev->y < 0 && pjoyy >= 0) + joystate = 1; + else if (ev->y > 0 && pjoyy <= 0) + joystate = 2; + pjoyy = ev->y; + } + else + pjoyy = 0; + } + + if (ev->x != INT32_MAX) + { + if (Joystick.bGamepadStyle || abs(ev->x) > jdeadzone) + { + if (ev->x < 0 && pjoyx >= 0) + joystate = 3; + else if (ev->x > 0 && pjoyx <= 0) + joystate = 4; + pjoyx = ev->x; + } + else + pjoyx = 0; + } + } + snake->joyeventcount = 0; + + // Update direction + if (PLAYER1INPUTDOWN(GC_STRAFELEFT) || gamekeydown[KEY_LEFTARROW] || joystate == 3) + { + if (snake->snakelength < 2 || x <= oldx) + snake->snakedir[0] = 1; + } + else if (PLAYER1INPUTDOWN(GC_STRAFERIGHT) || gamekeydown[KEY_RIGHTARROW] || joystate == 4) + { + if (snake->snakelength < 2 || x >= oldx) + snake->snakedir[0] = 2; + } + else if (PLAYER1INPUTDOWN(GC_FORWARD) || gamekeydown[KEY_UPARROW] || joystate == 1) + { + if (snake->snakelength < 2 || y <= oldy) + snake->snakedir[0] = 3; + } + else if (PLAYER1INPUTDOWN(GC_BACKWARD) || gamekeydown[KEY_DOWNARROW] || joystate == 2) + { + if (snake->snakelength < 2 || y >= oldy) + snake->snakedir[0] = 4; + } + + if (snake->snakebonustime) + { + snake->snakebonustime--; + if (!snake->snakebonustime) + snake->snakebonus = BONUS_NONE; + } + + snake->nextupdate--; + if (snake->nextupdate) + return; + if (snake->snakebonus == BONUS_SLOW) + snake->nextupdate = SPEED * 2; + else if (snake->snakebonus == BONUS_FAST) + snake->nextupdate = SPEED * 2 / 3; + else + snake->nextupdate = SPEED; + + if (snake->gameover) + return; + + // Find new position + switch (snake->snakedir[0]) + { + case 1: + if (x > 0) + x--; + else + snake->gameover = true; + break; + case 2: + if (x < NUM_BLOCKS_X - 1) + x++; + else + snake->gameover = true; + break; + case 3: + if (y > 0) + y--; + else + snake->gameover = true; + break; + case 4: + if (y < NUM_BLOCKS_Y - 1) + y++; + else + snake->gameover = true; + break; + } + + // Check collision with snake + if (snake->snakebonus != BONUS_GHOST) + for (i = 1; i < snake->snakelength - 1; i++) + if (x == snake->snakex[i] && y == snake->snakey[i]) + { + if (snake->snakebonus == BONUS_SCISSORS) + { + snake->snakebonus = BONUS_NONE; + snake->snakelength = i; + S_StartSound(NULL, sfx_adderr); + } + else + snake->gameover = true; + } + + if (snake->gameover) + { + S_StartSound(NULL, sfx_lose); + return; + } + + // Check collision with apple + if (x == snake->applex && y == snake->appley) + { + if (snake->snakelength + 3 < NUM_BLOCKS_X * NUM_BLOCKS_Y) + { + snake->snakelength++; + snake->snakex [snake->snakelength - 1] = snake->snakex [snake->snakelength - 2]; + snake->snakey [snake->snakelength - 1] = snake->snakey [snake->snakelength - 2]; + snake->snakedir[snake->snakelength - 1] = snake->snakedir[snake->snakelength - 2]; + } + + // Spawn new apple + FindFreeSlot(snake, &snake->applex, &snake->appley, x, y); + + // Spawn new bonus + if (!(snake->snakelength % 5)) + { + do + { + snake->bonustype = M_RandomKey(NUM_BONUSES - 1) + 1; + } while (snake->snakelength > NUM_BLOCKS_X * NUM_BLOCKS_Y * 3 / 4 + && (snake->bonustype == BONUS_EGGMAN || snake->bonustype == BONUS_FAST || snake->bonustype == BONUS_REVERSE)); + + FindFreeSlot(snake, &snake->bonusx, &snake->bonusy, x, y); + } + + S_StartSound(NULL, sfx_s3k6b); + } + + if (snake->snakelength > 1 && snake->snakedir[0]) + { + UINT8 dir = snake->snakedir[0]; + + oldx = snake->snakex[1]; + oldy = snake->snakey[1]; + + // Move + for (i = snake->snakelength - 1; i > 0; i--) + { + snake->snakex[i] = snake->snakex[i - 1]; + snake->snakey[i] = snake->snakey[i - 1]; + snake->snakedir[i] = snake->snakedir[i - 1]; + } + + // Handle corners + if (x < oldx && dir == 3) + dir = 5; + else if (x > oldx && dir == 3) + dir = 6; + else if (x < oldx && dir == 4) + dir = 7; + else if (x > oldx && dir == 4) + dir = 8; + else if (y < oldy && dir == 1) + dir = 9; + else if (y < oldy && dir == 2) + dir = 10; + else if (y > oldy && dir == 1) + dir = 11; + else if (y > oldy && dir == 2) + dir = 12; + snake->snakedir[1] = dir; + } + + snake->snakex[0] = x; + snake->snakey[0] = y; + + // Check collision with bonus + if (snake->bonustype != BONUS_NONE && x == snake->bonusx && y == snake->bonusy) + { + S_StartSound(NULL, sfx_ncchip); + + switch (snake->bonustype) + { + case BONUS_SLOW: + snake->snakebonus = BONUS_SLOW; + snake->snakebonustime = 20 * TICRATE; + break; + case BONUS_FAST: + snake->snakebonus = BONUS_FAST; + snake->snakebonustime = 20 * TICRATE; + break; + case BONUS_GHOST: + snake->snakebonus = BONUS_GHOST; + snake->snakebonustime = 10 * TICRATE; + break; + case BONUS_NUKE: + for (i = 0; i < snake->snakelength; i++) + { + snake->snakex [i] = snake->snakex [0]; + snake->snakey [i] = snake->snakey [0]; + snake->snakedir[i] = snake->snakedir[0]; + } + + S_StartSound(NULL, sfx_bkpoof); + break; + case BONUS_SCISSORS: + snake->snakebonus = BONUS_SCISSORS; + snake->snakebonustime = 60 * TICRATE; + break; + case BONUS_REVERSE: + for (i = 0; i < (snake->snakelength + 1) / 2; i++) + { + UINT16 i2 = snake->snakelength - 1 - i; + UINT8 tmpx = snake->snakex [i]; + UINT8 tmpy = snake->snakey [i]; + UINT8 tmpdir = snake->snakedir[i]; + + // Swap first segment with last segment + snake->snakex [i] = snake->snakex [i2]; + snake->snakey [i] = snake->snakey [i2]; + snake->snakedir[i] = GetOppositeDir(snake->snakedir[i2]); + snake->snakex [i2] = tmpx; + snake->snakey [i2] = tmpy; + snake->snakedir[i2] = GetOppositeDir(tmpdir); + } + + snake->snakedir[0] = 0; + + S_StartSound(NULL, sfx_gravch); + break; + default: + if (snake->snakebonus != BONUS_GHOST) + { + snake->gameover = true; + S_StartSound(NULL, sfx_lose); + } + } + + snake->bonustype = BONUS_NONE; + } +} + +void Snake_Draw(void *opaque) +{ + INT16 i; + + snake_t *snake = opaque; + + // Background + V_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, 31); + + V_DrawFlatFill( + LEFT_X + BORDER_SIZE, + TOP_Y + BORDER_SIZE, + MAP_WIDTH, + MAP_HEIGHT, + W_GetNumForName(backgrounds[snake->background]) + ); + + // Borders + V_DrawFill(LEFT_X, TOP_Y, BORDER_SIZE + MAP_WIDTH, BORDER_SIZE, 242); // Top + V_DrawFill(LEFT_X + BORDER_SIZE + MAP_WIDTH, TOP_Y, BORDER_SIZE, BORDER_SIZE + MAP_HEIGHT, 242); // Right + V_DrawFill(LEFT_X + BORDER_SIZE, TOP_Y + BORDER_SIZE + MAP_HEIGHT, BORDER_SIZE + MAP_WIDTH, BORDER_SIZE, 242); // Bottom + V_DrawFill(LEFT_X, TOP_Y + BORDER_SIZE, BORDER_SIZE, BORDER_SIZE + MAP_HEIGHT, 242); // Left + + // Apple + V_DrawFixedPatch( + (LEFT_X + BORDER_SIZE + snake->applex * BLOCK_SIZE + BLOCK_SIZE / 2) * FRACUNIT, + (TOP_Y + BORDER_SIZE + snake->appley * BLOCK_SIZE + BLOCK_SIZE / 2) * FRACUNIT, + FRACUNIT / 4, + 0, + W_CachePatchLongName("DL_APPLE", PU_HUDGFX), + NULL + ); + + // Bonus + if (snake->bonustype != BONUS_NONE) + V_DrawFixedPatch( + (LEFT_X + BORDER_SIZE + snake->bonusx * BLOCK_SIZE + BLOCK_SIZE / 2 ) * FRACUNIT, + (TOP_Y + BORDER_SIZE + snake->bonusy * BLOCK_SIZE + BLOCK_SIZE / 2 + 4) * FRACUNIT, + FRACUNIT / 2, + 0, + W_CachePatchLongName(bonuspatches[snake->bonustype], PU_HUDGFX), + NULL + ); + + // Snake + if (!snake->gameover || snake->time % 8 < 8 / 2) // Blink if game over + { + for (i = snake->snakelength - 1; i >= 0; i--) + { + const char *patchname; + UINT8 dir = snake->snakedir[i]; + + if (i == 0) // Head + { + switch (dir) + { + case 1: patchname = "DL_SNAKEHEAD_L"; break; + case 2: patchname = "DL_SNAKEHEAD_R"; break; + case 3: patchname = "DL_SNAKEHEAD_T"; break; + case 4: patchname = "DL_SNAKEHEAD_B"; break; + default: patchname = "DL_SNAKEHEAD_M"; + } + } + else // Body + { + switch (dir) + { + case 1: patchname = "DL_SNAKEBODY_L"; break; + case 2: patchname = "DL_SNAKEBODY_R"; break; + case 3: patchname = "DL_SNAKEBODY_T"; break; + case 4: patchname = "DL_SNAKEBODY_B"; break; + case 5: patchname = "DL_SNAKEBODY_LT"; break; + case 6: patchname = "DL_SNAKEBODY_RT"; break; + case 7: patchname = "DL_SNAKEBODY_LB"; break; + case 8: patchname = "DL_SNAKEBODY_RB"; break; + case 9: patchname = "DL_SNAKEBODY_TL"; break; + case 10: patchname = "DL_SNAKEBODY_TR"; break; + case 11: patchname = "DL_SNAKEBODY_BL"; break; + case 12: patchname = "DL_SNAKEBODY_BR"; break; + default: patchname = "DL_SNAKEBODY_B"; + } + } + + V_DrawFixedPatch( + (LEFT_X + BORDER_SIZE + snake->snakex[i] * BLOCK_SIZE + BLOCK_SIZE / 2) * FRACUNIT, + (TOP_Y + BORDER_SIZE + snake->snakey[i] * BLOCK_SIZE + BLOCK_SIZE / 2) * FRACUNIT, + i == 0 && dir == 0 ? FRACUNIT / 5 : FRACUNIT / 2, + snake->snakebonus == BONUS_GHOST ? V_TRANSLUCENT : 0, + W_CachePatchLongName(patchname, PU_HUDGFX), + NULL + ); + } + } + + // Length + V_DrawString(RIGHT_X + 4, TOP_Y, V_MONOSPACE, va("%u", snake->snakelength)); + + // Bonus + if (snake->snakebonus != BONUS_NONE + && (snake->snakebonustime >= 3 * TICRATE || snake->time % 4 < 4 / 2)) + V_DrawFixedPatch( + (RIGHT_X + 10) * FRACUNIT, + (TOP_Y + 24) * FRACUNIT, + FRACUNIT / 2, + 0, + W_CachePatchLongName(bonuspatches[snake->snakebonus], PU_HUDGFX), + NULL + ); +} + +void Snake_Free(void **opaque) +{ + if (*opaque) + { + free(*opaque); + *opaque = NULL; + } +} + +// I'm screaming the hack is clean - ashi +boolean Snake_JoyGrabber(void *opaque, event_t *ev) +{ + snake_t *snake = opaque; + + if (ev->type == ev_joystick && ev->key == 0) + { + snake->joyevents[snake->joyeventcount] = ev; + snake->joyeventcount++; + return true; + } + else + return false; +} diff --git a/src/snake.h b/src/snake.h new file mode 100644 index 000000000..6bca338e9 --- /dev/null +++ b/src/snake.h @@ -0,0 +1,23 @@ +// SONIC ROBO BLAST 2 +//----------------------------------------------------------------------------- +// Copyright (C) 2023-2023 by Louis-Antoine de Moulins de Rochefort. +// +// This program is free software distributed under the +// terms of the GNU General Public License, version 2. +// See the 'LICENSE' file for more details. +//----------------------------------------------------------------------------- +/// \file snake.h +/// \brief Snake minigame for the download screen. + +#ifndef __SNAKE__ +#define __SNAKE__ + +#include "d_event.h" + +void Snake_Allocate(void **opaque); +void Snake_Update(void *opaque); +void Snake_Draw(void *opaque); +void Snake_Free(void **opaque); +boolean Snake_JoyGrabber(void *opaque, event_t *ev); + +#endif diff --git a/src/w_wad.c b/src/w_wad.c index c8880f693..d012182f1 100644 --- a/src/w_wad.c +++ b/src/w_wad.c @@ -51,8 +51,8 @@ #include "filesrch.h" #include "d_main.h" -#include "d_netfil.h" -#include "d_clisrv.h" +#include "netcode/d_netfil.h" +#include "netcode/d_clisrv.h" #include "dehacked.h" #include "r_defs.h" #include "r_data.h" diff --git a/src/y_inter.c b/src/y_inter.c index 8bec2b30f..69dc931ba 100644 --- a/src/y_inter.c +++ b/src/y_inter.c @@ -15,7 +15,7 @@ #include "f_finale.h" #include "g_game.h" #include "hu_stuff.h" -#include "i_net.h" +#include "netcode/i_net.h" #include "i_video.h" #include "p_tick.h" #include "r_defs.h"