/* sv_user.c server code for moving users Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #include #include #include #include #include "QF/cbuf.h" #include "QF/idparse.h" #include "QF/checksum.h" #include "QF/clip_hull.h" #include "QF/cmd.h" #include "QF/cvar.h" #include "QF/dstring.h" #include "QF/hash.h" #include "QF/msg.h" #include "QF/quakefs.h" #include "QF/sys.h" #include "QF/va.h" #include "compat.h" #include "qw/msg_ucmd.h" #include "qw/msg_ucmd.h" #include "qw/bothdefs.h" #include "qw/pmove.h" #include "qw/include/server.h" #include "qw/include/sv_gib.h" #include "qw/include/sv_progs.h" #include "qw/include/sv_recorder.h" #include "world.h" typedef struct ucmd_s { const char *name; void (*func) (void *userdata); unsigned no_redirect:1; unsigned overridable:1; unsigned freeable:1; void *userdata; void (*on_free) (void *userdata); } ucmd_t; edict_t *sv_player; usercmd_t cmd; int sv_maxrate; static cvar_t sv_maxrate_cvar = { .name = "sv_maxrate", .description = "Maximum allowable rate", .default_value = "10000", .flags = CVAR_SERVERINFO, .value = { .type = &cexpr_int, .value = &sv_maxrate }, }; // capped) int sv_antilag; static cvar_t sv_antilag_cvar = { .name = "sv_antilag", .description = "Attempt to backdate impacts to compensate for lag. 0=completely off. " "1=mod-controlled. 2=forced, which might break certain uses of " "traceline.", .default_value = "1", .flags = CVAR_SERVERINFO, .value = { .type = &cexpr_int, .value = &sv_antilag }, }; float sv_antilag_frac; static cvar_t sv_antilag_frac_cvar = { .name = "sv_antilag_frac", .description = "FIXME something to do with sv_antilag", .default_value = "1", .flags = CVAR_SERVERINFO, .value = { .type = &cexpr_float, .value = &sv_antilag_frac }, }; float sv_accelerate; static cvar_t sv_accelerate_cvar = { .name = "sv_accelerate", .description = "None", .default_value = "10", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &sv_accelerate }, }; float sv_airaccelerate; static cvar_t sv_airaccelerate_cvar = { .name = "sv_airaccelerate", .description = "Sets how quickly the players accelerate in air", .default_value = "0.7", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &sv_airaccelerate }, }; float sv_maxspeed; static cvar_t sv_maxspeed_cvar = { .name = "sv_maxspeed", .description = "None", .default_value = "320", .flags = CVAR_SERVERINFO, .value = { .type = &cexpr_float, .value = &sv_maxspeed }, }; float sv_spectatormaxspeed; static cvar_t sv_spectatormaxspeed_cvar = { .name = "sv_spectatormaxspeed", .description = "Sets the maximum speed a spectator can move", .default_value = "500", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &sv_spectatormaxspeed }, }; float sv_wateraccelerate; static cvar_t sv_wateraccelerate_cvar = { .name = "sv_wateraccelerate", .description = "Sets the water acceleration value", .default_value = "10", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &sv_wateraccelerate }, }; float sv_waterfriction; static cvar_t sv_waterfriction_cvar = { .name = "sv_waterfriction", .description = "Sets the water friction value", .default_value = "4", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &sv_waterfriction }, }; int sv_allowfake; static cvar_t sv_allowfake_cvar = { .name = "sv_allowfake", .description = "Allow 'fake' messages (FuhQuake $\\). 1 = always, 2 = only say_team", .default_value = "2", .flags = CVAR_NONE, .value = { .type = &cexpr_int, .value = &sv_allowfake }, }; float cl_rollspeed; static cvar_t cl_rollspeed_cvar = { .name = "cl_rollspeed", .description = "How quickly you straighten out after strafing", .default_value = "200", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &cl_rollspeed }, }; float cl_rollangle; static cvar_t cl_rollangle_cvar = { .name = "cl_rollangle", .description = "How much your screen tilts when strafing", .default_value = "2.0", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &cl_rollangle }, }; int sv_spectalk; static cvar_t sv_spectalk_cvar = { .name = "sv_spectalk", .description = "Toggles the ability of spectators to talk to players", .default_value = "1", .flags = CVAR_NONE, .value = { .type = &cexpr_int, .value = &sv_spectalk }, }; int sv_kickfake; static cvar_t sv_kickfake_cvar = { .name = "sv_kickfake", .description = "Kick users sending to send fake talk messages", .default_value = "0", .flags = CVAR_NONE, .value = { .type = &cexpr_int, .value = &sv_kickfake }, }; int sv_mapcheck; static cvar_t sv_mapcheck_cvar = { .name = "sv_mapcheck", .description = "Toggle the use of map checksumming to check for players who edit maps" " to cheat", .default_value = "1", .flags = CVAR_NONE, .value = { .type = &cexpr_int, .value = &sv_mapcheck }, }; int sv_timecheck_mode; static cvar_t sv_timecheck_mode_cvar = { .name = "sv_timecheck_mode", .description = "select between timekick (0, default) and timecheck (1)", .default_value = "0", .flags = CVAR_NONE, .value = { .type = &cexpr_int, .value = &sv_timecheck_mode }, }; int sv_timekick; static cvar_t sv_timekick_cvar = { .name = "sv_timekick", .description = "Time cheat protection", .default_value = "3", .flags = CVAR_SERVERINFO, .value = { .type = &cexpr_int, .value = &sv_timekick }, }; float sv_timekick_fuzz; static cvar_t sv_timekick_fuzz_cvar = { .name = "sv_timekick_fuzz", .description = "Time cheat \"fuzz factor\" in milliseconds", .default_value = "30", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &sv_timekick_fuzz }, }; float sv_timekick_interval; static cvar_t sv_timekick_interval_cvar = { .name = "sv_timekick_interval", .description = "Time cheat check interval in seconds", .default_value = "30", .flags = CVAR_NONE, .value = { .type = &cexpr_float, .value = &sv_timekick_interval }, }; int sv_timecheck_fuzz; static cvar_t sv_timecheck_fuzz_cvar = { .name = "sv_timecheck_fuzz", .description = "Milliseconds of tolerance before time cheat throttling kicks in.", .default_value = "250", .flags = CVAR_NONE, .value = { .type = &cexpr_int, .value = &sv_timecheck_fuzz }, }; int sv_timecheck_decay; static cvar_t sv_timecheck_decay_cvar = { .name = "sv_timecheck_decay", .description = "Rate at which time inaccuracies are \"forgiven\".", .default_value = "2", .flags = CVAR_NONE, .value = { .type = &cexpr_int, .value = &sv_timecheck_decay }, }; char *sv_http_url_base; static cvar_t sv_http_url_base_cvar = { .name = "sv_http_url_base", .description = "set to base url for http redirects of downloaded files", .default_value = "", .flags = CVAR_NONE, .value = { .type = 0, .value = &sv_http_url_base }, }; static void OutofBandPrintf (netadr_t where, const char *fmt, ...) __attribute__ ((format (PRINTF, 2, 3))); // USER STRINGCMD EXECUTION host_client and sv_player will be valid. void SV_WriteWorldVars (netchan_t *netchan) { // send full levelname MSG_WriteString (&netchan->message, PR_GetString (&sv_pr_state, SVstring (sv.edicts, message))); // send the movevars MSG_WriteFloat (&netchan->message, movevars.gravity); MSG_WriteFloat (&netchan->message, movevars.stopspeed); MSG_WriteFloat (&netchan->message, movevars.maxspeed); MSG_WriteFloat (&netchan->message, movevars.spectatormaxspeed); MSG_WriteFloat (&netchan->message, movevars.accelerate); MSG_WriteFloat (&netchan->message, movevars.airaccelerate); MSG_WriteFloat (&netchan->message, movevars.wateraccelerate); MSG_WriteFloat (&netchan->message, movevars.friction); MSG_WriteFloat (&netchan->message, movevars.waterfriction); MSG_WriteFloat (&netchan->message, movevars.entgravity); // send music MSG_WriteByte (&netchan->message, svc_cdtrack); MSG_WriteByte (&netchan->message, SVfloat (sv.edicts, sounds)); // send server info string MSG_WriteByte (&netchan->message, svc_stufftext); MSG_WriteString (&netchan->message, va (0, "fullserverinfo \"%s\"\n", Info_MakeString (svs.info, 0))); } /* SV_New_f Sends the first message from the server to a connected client. This will be sent on the initial connection and upon each server load. */ static void SV_New_f (void *unused) { int playernum; const char *gamedir; if (host_client->state == cs_spawned) return; gamedir = Info_ValueForKey (svs.info, "*gamedir"); if (!gamedir[0]) gamedir = "qw"; host_client->state = cs_connected; host_client->connection_started = realtime; // send the info about the new client to all connected clients // NOTE: This doesn't go through MSG_ReliableWrite since it's before the // user spawns. These functions are written to not overflow if (host_client->backbuf.num_backbuf) { SV_Printf ("WARNING %s: [SV_New] Back buffered (%d), clearing\n", host_client->name, host_client->netchan.message.cursize); host_client->backbuf.num_backbuf = 0; SZ_Clear (&host_client->netchan.message); } // send the serverdata MSG_WriteByte (&host_client->netchan.message, svc_serverdata); MSG_WriteLong (&host_client->netchan.message, PROTOCOL_VERSION); MSG_WriteLong (&host_client->netchan.message, svs.spawncount); MSG_WriteString (&host_client->netchan.message, gamedir); playernum = NUM_FOR_EDICT (&sv_pr_state, host_client->edict) - 1; if (host_client->spectator) playernum |= 128; MSG_WriteByte (&host_client->netchan.message, playernum); SV_WriteWorldVars (&host_client->netchan); // Trigger GIB connection event if (sv_client_connect_e->func) GIB_Event_Callback (sv_client_connect_e, 1, va (0, "%u", host_client->userid)); } void SV_WriteSoundlist (netchan_t *netchan, int n) { const char **s; MSG_WriteByte (&netchan->message, svc_soundlist); MSG_WriteByte (&netchan->message, n); for (s = sv.sound_precache + 1 + n; *s && netchan->message.cursize < (MAX_MSGLEN / 2); s++, n++) MSG_WriteString (&netchan->message, *s); MSG_WriteByte (&netchan->message, 0); // next msg if (*s) MSG_WriteByte (&netchan->message, n); else MSG_WriteByte (&netchan->message, 0); } static void SV_Soundlist_f (void *unused) { unsigned n; if (host_client->state != cs_connected) { SV_Printf ("soundlist not valid -- already spawned\n"); return; } // handle the case of a level changing while a client was connecting if (atoi (Cmd_Argv (1)) != svs.spawncount) { SV_Printf ("SV_Soundlist_f from different level\n"); SV_New_f (0); return; } n = atoi (Cmd_Argv (2)); if (n >= MAX_SOUNDS) { SV_Printf ("SV_Soundlist_f: Invalid soundlist index\n"); SV_New_f (0); return; } // NOTE: This doesn't go through MSG_ReliableWrite since it's before the // user spawns. These functions are written to not overflow if (host_client->backbuf.num_backbuf) { SV_Printf ("WARNING %s: [SV_Soundlist] Back buffered (%d), clearing", host_client->name, host_client->netchan.message.cursize); host_client->backbuf.num_backbuf = 0; SZ_Clear (&host_client->netchan.message); } SV_WriteSoundlist (&host_client->netchan, n); } void SV_WriteModellist (netchan_t *netchan, int n) { const char **s; MSG_WriteByte (&netchan->message, svc_modellist); MSG_WriteByte (&netchan->message, n); for (s = sv.model_precache + 1 + n; *s && netchan->message.cursize < (MAX_MSGLEN / 2); s++, n++) MSG_WriteString (&netchan->message, *s); MSG_WriteByte (&netchan->message, 0); // next msg if (*s) MSG_WriteByte (&netchan->message, n); else MSG_WriteByte (&netchan->message, 0); } static void SV_Modellist_f (void *unused) { unsigned n; if (host_client->state != cs_connected) { SV_Printf ("modellist not valid -- already spawned\n"); return; } // handle the case of a level changing while a client was connecting if (atoi (Cmd_Argv (1)) != svs.spawncount) { SV_Printf ("SV_Modellist_f from different level\n"); SV_New_f (0); return; } n = atoi (Cmd_Argv (2)); if (n >= MAX_MODELS) { SV_Printf ("SV_Modellist_f: Invalid modellist index\n"); SV_New_f (0); return; } // NOTE: This doesn't go through MSG_ReliableWrite since it's before the // user spawns. These functions are written to not overflow if (host_client->backbuf.num_backbuf) { SV_Printf ("WARNING %s: [SV_Modellist] Back buffered (%d0, clearing", host_client->name, host_client->netchan.message.cursize); host_client->backbuf.num_backbuf = 0; SZ_Clear (&host_client->netchan.message); } SV_WriteModellist (&host_client->netchan, n); } static void SV_PreSpawn_f (void *unused) { const char *command; int buf, size; unsigned check; sizebuf_t *msg; if (host_client->state != cs_connected) { SV_Printf ("prespawn not valid -- already spawned\n"); return; } // handle the case of a level changing while a client was connecting if (atoi (Cmd_Argv (1)) != svs.spawncount) { SV_Printf ("SV_PreSpawn_f from different level\n"); SV_New_f (0); return; } buf = atoi (Cmd_Argv (2)); if (buf >= sv.num_signon_buffers) buf = 0; if (!buf) { // should be three numbers following containing checksums check = atoi (Cmd_Argv (3)); // Sys_MaskPrintf (SYS_dev, , "Client check = %d\n", check); if (sv_mapcheck && check != sv.worldmodel->brush.checksum && check != sv.worldmodel->brush.checksum2) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Map model file does " "not match (%s), %i != %i/%i.\n" "You may need a new version of the map, or the " "proper install files.\n", sv.modelname, check, sv.worldmodel->brush.checksum, sv.worldmodel->brush.checksum2); SV_DropClient (host_client); return; } } host_client->prespawned = true; if (buf == sv.num_signon_buffers - 1) command = va (0, "cmd spawn %i 0\n", svs.spawncount); else command = va (0, "cmd prespawn %i %i\n", svs.spawncount, buf + 1); size = sv.signon_buffer_size[buf] + 1 + strlen (command) + 1; MSG_ReliableCheckBlock (&host_client->backbuf, size); if (host_client->backbuf.num_backbuf) msg = &host_client->backbuf.backbuf; else msg = &host_client->netchan.message; SZ_Write (msg, sv.signon_buffers[buf], sv.signon_buffer_size[buf]); MSG_WriteByte (msg, svc_stufftext); MSG_WriteString (msg, command); } void SV_Spawn (client_t *client) { edict_t *ent; // set up the edict ent = client->edict; memset (&E_fld (ent, 0), 0, sv_pr_state.progs->entityfields * 4); SVfloat (ent, colormap) = NUM_FOR_EDICT (&sv_pr_state, ent); SVfloat (ent, team) = 0; // FIXME SVstring (ent, netname) = PR_SetString (&sv_pr_state, client->name); client->entgravity = 1.0; if (sv_fields.gravity != -1) SVfloat (ent, gravity) = 1.0; client->maxspeed = sv_maxspeed; if (sv_fields.maxspeed != -1) SVfloat (ent, maxspeed) = sv_maxspeed; } void SV_WriteSpawn1 (backbuf_t *backbuf, int n) { int i; client_t *client; // normally this could overflow, but no need to check due to backbuf for (i = n, client = svs.clients + n; i < MAX_CLIENTS; i++, client++) SV_FullClientUpdateToClient (client, backbuf); // send all current light styles for (i = 0; i < MAX_LIGHTSTYLES; i++) { MSG_ReliableWrite_Begin (backbuf, svc_lightstyle, 3 + (sv.lightstyles[i] ? strlen (sv.lightstyles[i]) : 1)); MSG_ReliableWrite_Byte (backbuf, (char) i); MSG_ReliableWrite_String (backbuf, sv.lightstyles[i]); } } void SV_WriteSpawn2 (backbuf_t *backbuf) { MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6); MSG_ReliableWrite_Byte (backbuf, STAT_TOTALSECRETS); MSG_ReliableWrite_Long (backbuf, *sv_globals.total_secrets); MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6); MSG_ReliableWrite_Byte (backbuf, STAT_TOTALMONSTERS); MSG_ReliableWrite_Long (backbuf, *sv_globals.total_monsters); MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6); MSG_ReliableWrite_Byte (backbuf, STAT_SECRETS); MSG_ReliableWrite_Long (backbuf, *sv_globals.found_secrets); MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6); MSG_ReliableWrite_Byte (backbuf, STAT_MONSTERS); MSG_ReliableWrite_Long (backbuf, *sv_globals.killed_monsters); } static void SV_Spawn_f (void *unused) { int n; if (host_client->state != cs_connected) { SV_Printf ("Spawn not valid -- already spawned\n"); return; } // handle the case of a level changing while a client was connecting if (atoi (Cmd_Argv (1)) != svs.spawncount) { SV_Printf ("SV_Spawn_f from different level\n"); SV_New_f (0); return; } // make sure they're not trying to cheat by spawning without prespawning if (host_client->prespawned == false) { SV_BroadcastPrintf (PRINT_HIGH, "%s has been kicked for trying to " "spawn before prespawning!\n", host_client->name); SV_DropClient (host_client); return; } n = atoi (Cmd_Argv (2)); // make sure n is valid if (n < 0 || n > MAX_CLIENTS) { SV_Printf ("SV_Spawn_f invalid client start\n"); SV_New_f (0); return; } host_client->spawned = true; // send all current names, colors, and frag counts // FIXME: is this a good thing? SZ_Clear (&host_client->netchan.message); // send current status of all other players SV_WriteSpawn1 (&host_client->backbuf, n); SV_Spawn (host_client); SV_WriteSpawn2 (&host_client->backbuf); // // force stats to be updated // memset (host_client->stats, 0, sizeof (host_client->stats)); // get the client to check and download skins // when that is completed, a begin command will be issued MSG_ReliableWrite_Begin (&host_client->backbuf, svc_stufftext, 8); MSG_ReliableWrite_String (&host_client->backbuf, "skins\n"); } static void SV_SpawnSpectator (void) { VectorZero (SVvector (sv_player, origin)); VectorZero (SVvector (sv_player, view_ofs)); SVvector (sv_player, view_ofs)[2] = 22; // search for an info_playerstart to spawn the spectator at for (unsigned i = MAX_CLIENTS - 1; i < sv.num_edicts; i++) { edict_t *e = EDICT_NUM (&sv_pr_state, i); if (!strcmp (PR_GetString (&sv_pr_state, SVstring (e, classname)), "info_player_start")) { VectorCopy (SVvector (e, origin), SVvector (sv_player, origin)); return; } } } static void SV_Begin_f (void *unused) { unsigned int pmodel = 0, emodel = 0; int i; if (host_client->state != cs_connected) return; // don't begin again host_client->state = cs_spawned; // handle the case of a level changing while a client was connecting if (atoi (Cmd_Argv (1)) != svs.spawncount) { SV_Printf ("SV_Begin_f from different level\n"); SV_New_f (0); return; } // make sure they're not trying to cheat by beginning without spawning if (host_client->spawned == false) { SV_BroadcastPrintf (PRINT_HIGH, "%s has been kicked for trying to " "begin before spawning!\n" "Have a nice day!\n", // 1 string! host_client->name); SV_DropClient (host_client); return; } if (host_client->spectator) { SV_SpawnSpectator (); if (sv_funcs.SpectatorConnect) { // copy spawn parms out of the client_t for (i = 0; i < NUM_SPAWN_PARMS; i++) sv_globals.parms[i] = host_client->spawn_parms[i]; // call the spawn function *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.SpectatorConnect); } } else { // copy spawn parms out of the client_t for (i = 0; i < NUM_SPAWN_PARMS; i++) sv_globals.parms[i] = host_client->spawn_parms[i]; // call the spawn function *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.ClientConnect); // actually spawn the player *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.PutClientInServer); } // clear the net statistics, because connecting gives a bogus picture host_client->last_check = -1; host_client->msecs = 0; host_client->netchan.frame_latency = 0; host_client->netchan.frame_rate = 0; host_client->netchan.drop_count = 0; host_client->netchan.good_count = 0; // check he's not cheating pmodel = atoi (Info_ValueForKey (host_client->userinfo, "pmodel")); emodel = atoi (Info_ValueForKey (host_client->userinfo, "emodel")); if (pmodel != sv.model_player_checksum || emodel != sv.eyes_player_checksum) SV_BroadcastPrintf (PRINT_HIGH, "%s WARNING: non standard " "player/eyes model detected\n", host_client->name); // if we are paused, tell the client if (sv.paused) { MSG_ReliableWrite_Begin (&host_client->backbuf, svc_setpause, 2); MSG_ReliableWrite_Byte (&host_client->backbuf, sv.paused); SV_ClientPrintf (1, host_client, PRINT_HIGH, "Server is paused.\n"); } #if 0 // send a fixangle over the reliable channel to make sure it gets there // Never send a roll angle, because savegames can catch the server // in a state where it is expecting the client to correct the angle // and it won't happen if the game was just loaded, so you wind up // with a permanent head tilt ent = EDICT_NUM (&sv_pr_state, 1 + (host_client - svs.clients)); MSG_WriteByte (&host_client->netchan.message, svc_setangle); for (i = 0; i < 2; i++) MSG_WriteAngle (&host_client->netchan.message, SVvector (ent, angles)[i]); MSG_WriteAngle (&host_client->netchan.message, 0); #endif // Trigger GIB events if (sv_client_spawn_e->func) GIB_Event_Callback (sv_client_spawn_e, 1, va (0, "%u", host_client->userid)); } //============================================================================= static void SV_NextDownload_f (void *unused) { byte buffer[768]; // FIXME protocol limit? could be bigger? int percent, size; size_t r; if (!host_client->download) return; r = host_client->downloadsize - host_client->downloadcount; if (r > sizeof (buffer)) r = sizeof (buffer); r = Qread (host_client->download, buffer, r); MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, 6 + r); MSG_ReliableWrite_Short (&host_client->backbuf, r); host_client->downloadcount += r; size = host_client->downloadsize; if (!size) size = 1; percent = host_client->downloadcount * 100 / size; MSG_ReliableWrite_Byte (&host_client->backbuf, percent); MSG_ReliableWrite_SZ (&host_client->backbuf, buffer, r); if (host_client->downloadcount != host_client->downloadsize) return; Qclose (host_client->download); host_client->download = NULL; } static void SV_NextUpload (void) { int percent, size; if (!host_client->upload) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Upload denied\n"); MSG_ReliableWrite_Begin (&host_client->backbuf, svc_stufftext, 8); MSG_ReliableWrite_String (&host_client->backbuf, "stopul"); // suck out rest of packet size = MSG_ReadShort (net_message); MSG_ReadByte (net_message); net_message->readcount += size; return; } size = MSG_ReadShort (net_message); percent = MSG_ReadByte (net_message); if (!host_client->upload_started) { host_client->upload_started = 1; SV_Printf ("Receiving %s from %d...\n", host_client->uploadfn->str, host_client->userid); if (host_client->remote_snap) OutofBandPrintf (host_client->snap_from, "Server receiving %s from %d...\n", host_client->uploadfn->str, host_client->userid); } Qwrite (host_client->upload, net_message->message->data + net_message->readcount, size); net_message->readcount += size; Sys_MaskPrintf (SYS_dev, "UPLOAD: %d received\n", size); if (percent != 100) { MSG_ReliableWrite_Begin (&host_client->backbuf, svc_stufftext, 8); MSG_ReliableWrite_String (&host_client->backbuf, "nextul\n"); } else { Qclose (host_client->upload); host_client->upload = NULL; SV_Printf ("%s upload completed.\n", host_client->uploadfn->str); if (host_client->remote_snap) { char *p; if ((p = strchr (host_client->uploadfn->str, '/')) != NULL) p++; else p = host_client->uploadfn->str; OutofBandPrintf (host_client->snap_from, "%s upload completed.\n" "To download, enter:\ndownload %s\n", host_client->uploadfn->str, p); } dstring_delete (host_client->uploadfn); host_client->uploadfn = 0; host_client->upload_started = 0; } } static void SV_BeginDownload_f (void *unused) { const char *name; int http, zip; QFile *file; name = Cmd_Argv (1); // hacked by zoid to allow more conrol over download // first off, no .. or global allow check if (strstr (name, "..") || !allow_download // leading dot is no good || *name == '.' // next up, skin check || (strncmp (name, "skins/", 6) == 0 && !allow_download_skins) // now models || (strncmp (name, "progs/", 6) == 0 && !allow_download_models) // now sounds || (strncmp (name, "sound/", 6) == 0 && !allow_download_sounds) // now maps (note special case for maps, must not be in pak) || (strncmp (name, "maps/", 5) == 0 && !allow_download_maps) // MUST be in a subdirectory || !strstr (name, "/")) { // don't allow anything with .. path MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, 4); MSG_ReliableWrite_Short (&host_client->backbuf, -1); MSG_ReliableWrite_Byte (&host_client->backbuf, 0); return; } if (host_client->download) { Qclose (host_client->download); host_client->download = NULL; } zip = strchr (Info_ValueForKey (host_client->userinfo, "*cap"), 'z') != 0; http = sv_http_url_base[0] && strchr (Info_ValueForKey (host_client->userinfo, "*cap"), 'h'); file = _QFS_FOpenFile (name, !zip); host_client->download = file; host_client->downloadsize = file ? Qfilesize (file) : 0; host_client->downloadcount = 0; if (!host_client->download // ZOID: special check for maps, if it came from a pak file, don't // allow download || (strncmp (name, "maps/", 5) == 0 && qfs_foundfile.in_pak)) { if (host_client->download) { Qclose (host_client->download); host_client->download = NULL; } SV_Printf ("Couldn't download %s to %s\n", name, host_client->name); MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, 4); MSG_ReliableWrite_Short (&host_client->backbuf, DL_NOFILE); MSG_ReliableWrite_Byte (&host_client->backbuf, 0); return; } if (http) { int size; int ren = zip && strcmp (qfs_foundfile.realname, name); SV_Printf ("http redirect: %s/%s\n", sv_http_url_base, qfs_foundfile.realname); size = ren ? strlen (qfs_foundfile.realname) * 2 : strlen (name); size += strlen (sv_http_url_base) + 7; MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, size); MSG_ReliableWrite_Short (&host_client->backbuf, DL_HTTP); MSG_ReliableWrite_Byte (&host_client->backbuf, 0); MSG_ReliableWrite_String (&host_client->backbuf, va (0, "%s/%s", sv_http_url_base, ren ? qfs_foundfile.realname : name)); MSG_ReliableWrite_String (&host_client->backbuf, ren ? qfs_foundfile.realname : ""); if (host_client->download) { Qclose (host_client->download); host_client->download = NULL; } } else { if (zip && strcmp (qfs_foundfile.realname, name)) { SV_Printf ("download renamed to %s\n", qfs_foundfile.realname); MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, strlen (qfs_foundfile.realname) + 5); MSG_ReliableWrite_Short (&host_client->backbuf, DL_RENAME); MSG_ReliableWrite_Byte (&host_client->backbuf, 0); MSG_ReliableWrite_String (&host_client->backbuf, qfs_foundfile.realname); MSG_Reliable_FinishWrite (&host_client->backbuf); } } SV_NextDownload_f (0); SV_Printf ("Downloading %s to %s\n", name, host_client->name); } //============================================================================= static void SV_Say (qboolean team) { char *i, *p; dstring_t *text; const char *t1 = 0, *t2, *type; client_t *client; int tmp, j, cls = 0; sizebuf_t *dbuf; if (Cmd_Argc () < 2) return; if (host_client->state < cs_connected) return; if (team) t1 = Info_ValueForKey (host_client->userinfo, "team"); if (fp_messages) { if (!sv.paused && realtime < host_client->lockedtill) { SV_ClientPrintf (1, host_client, PRINT_CHAT, "You can't talk for %d more seconds\n", (int) (host_client->lockedtill - realtime)); return; } tmp = host_client->whensaidhead - fp_messages + 1; if (tmp < 0) tmp = 10 + tmp; if (!sv.paused && host_client->whensaid[tmp] && (realtime - host_client->whensaid[tmp] < fp_persecond)) { host_client->lockedtill = realtime + fp_secondsdead; if (fp_msg[0]) SV_ClientPrintf (1, host_client, PRINT_CHAT, "FloodProt: %s\n", fp_msg); else SV_ClientPrintf (1, host_client, PRINT_CHAT, "FloodProt: You can't talk for %d seconds.\n", fp_secondsdead); return; } host_client->whensaidhead++; if (host_client->whensaidhead > 9) host_client->whensaidhead = 0; host_client->whensaid[host_client->whensaidhead] = realtime; } p = Hunk_TempAlloc (0, strlen (Cmd_Args (1)) + 1); strcpy (p, Cmd_Args (1)); if (*p == '"') { p++; p[strlen (p) - 1] = 0; } if (!sv_allowfake || (!team && sv_allowfake == 2)) { for (i = p; *i; i++) { if (*i == 13) { // ^M if (sv_kickfake) { SV_BroadcastPrintf (PRINT_HIGH, "%s was kicked for " "attempting to fake messages\n", host_client->name); SV_ClientPrintf (1, host_client, PRINT_HIGH, "You were kicked " "for attempting to fake messages\n"); SV_DropClient (host_client); return; } else *i = '#'; } } } if (sv_funcs.ChatMessage) { PR_PushFrame (&sv_pr_state); PR_RESET_PARAMS (&sv_pr_state); P_STRING (&sv_pr_state, 0) = PR_SetTempString (&sv_pr_state, p); P_FLOAT (&sv_pr_state, 1) = (float) team; *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.ChatMessage); PR_PopFrame (&sv_pr_state); if (R_FLOAT (&sv_pr_state)) return; } text = dstring_new (); if (host_client->spectator && (!sv_spectalk || team)) { type = "2"; dsprintf (text, "[SPEC] %s: ", host_client->name); } else if (team) { type = "1"; dsprintf (text, "(%s): ", host_client->name); } else { type = "0"; dsprintf (text, "%s: ", host_client->name); } if (sv_chat_e->func) GIB_Event_Callback (sv_chat_e, 2, va (0, "%i", host_client->userid), p, type); dstring_appendstr (text, p); dstring_appendstr (text, "\n"); SV_Printf ("%s", text->str); for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++) { if (client->state < cs_connected) // Clients connecting can hear. //FIXME record to mvd? continue; if (host_client->spectator && !sv_spectalk) if (!client->spectator) continue; if (team) { // the spectator team if (host_client->spectator) { if (!client->spectator) continue; } else { t2 = Info_ValueForKey (client->userinfo, "team"); if (strcmp (t1, t2) || client->spectator) continue; // on different teams } } cls |= 1 << j; SV_ClientPrintf (0, client, PRINT_CHAT, "%s", text->str); } if (!sv.recorders || !cls) { dstring_delete (text); return; } // non-team messages should be seen allways, even if not tracking any // player if (!team && ((host_client->spectator && sv_spectalk) || !host_client->spectator)) { dbuf = SVR_WriteBegin (dem_all, 0, strlen (text->str) + 3); } else { dbuf = SVR_WriteBegin (dem_multiple, cls, strlen (text->str) + 3); } MSG_WriteByte (dbuf, svc_print); MSG_WriteByte (dbuf, PRINT_CHAT); MSG_WriteString (dbuf, text->str); dstring_delete (text); } static void SV_Say_f (void *unused) { SV_Say (false); } static void SV_Say_Team_f (void *unused) { SV_Say (true); } //============================================================================ /* SV_Pings_f The client is showing the scoreboard, so send new ping times for all clients */ static void SV_Pings_f (void *unused) { client_t *client; int j; for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++) { if (client->state != cs_spawned && client->state != cs_server) continue; MSG_ReliableWrite_Begin (&host_client->backbuf, svc_updateping, 4); MSG_ReliableWrite_Byte (&host_client->backbuf, j); MSG_ReliableWrite_Short (&host_client->backbuf, SV_CalcPing (client)); MSG_ReliableWrite_Begin (&host_client->backbuf, svc_updatepl, 4); MSG_ReliableWrite_Byte (&host_client->backbuf, j); MSG_ReliableWrite_Byte (&host_client->backbuf, client->lossage); } } static void SV_Kill_f (void *unused) { if (SVfloat (sv_player, health) <= 0) { SV_BeginRedirect (RD_CLIENT); SV_ClientPrintf (1, host_client, PRINT_HIGH, "Can't suicide -- already dead!\n"); SV_EndRedirect (); return; } *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.ClientKill); } void SV_TogglePause (const char *msg) { client_t *cl; int i; sv.paused ^= 1; net_nochoke = sv.paused; if (msg) SV_BroadcastPrintf (PRINT_HIGH, "%s", msg); // send notification to all clients for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++) { if (cl->state < cs_zombie) continue; MSG_ReliableWrite_Begin (&cl->backbuf, svc_setpause, 2); MSG_ReliableWrite_Byte (&cl->backbuf, sv.paused); } } static void SV_Pause_f (void *unused) { char st[sizeof (host_client->name) + 32]; static double lastpausetime; double currenttime; currenttime = Sys_DoubleTime (); if (lastpausetime + 1 > currenttime) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Pause flood not allowed.\n"); return; } lastpausetime = currenttime; if (!pausable) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Pause not allowed.\n"); return; } if (host_client->spectator) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Spectators can not pause.\n"); return; } if (!sv.paused) snprintf (st, sizeof (st), "%s paused the game\n", host_client->name); else snprintf (st, sizeof (st), "%s unpaused the game\n", host_client->name); SV_TogglePause (st); } /* SV_Drop_f The client is going to disconnect, so remove the connection immediately */ static void SV_Drop_f (void *unused) { SV_EndRedirect (); if (!host_client->spectator) SV_BroadcastPrintf (PRINT_HIGH, "%s dropped\n", host_client->name); SV_DropClient (host_client); } /* SV_PTrack_f Change the bandwidth estimate for a client */ static void SV_PTrack_f (void *unused) { edict_t *ent, *tent; int i; if (!host_client->spectator) return; if (Cmd_Argc () != 2) { // turn off tracking host_client->spec_track = 0; ent = EDICT_NUM (&sv_pr_state, host_client - svs.clients + 1); tent = EDICT_NUM (&sv_pr_state, 0); SVentity (ent, goalentity) = EDICT_TO_PROG (&sv_pr_state, tent); return; } i = atoi (Cmd_Argv (1)); if (i < 0 || i >= MAX_CLIENTS || (svs.clients[i].state != cs_spawned && svs.clients[i].state != cs_server) || svs.clients[i].spectator) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Invalid client to track\n"); host_client->spec_track = 0; ent = EDICT_NUM (&sv_pr_state, host_client - svs.clients + 1); tent = EDICT_NUM (&sv_pr_state, 0); SVentity (ent, goalentity) = EDICT_TO_PROG (&sv_pr_state, tent); return; } host_client->spec_track = i + 1; // now tracking ent = EDICT_NUM (&sv_pr_state, host_client - svs.clients + 1); tent = EDICT_NUM (&sv_pr_state, i + 1); SVentity (ent, goalentity) = EDICT_TO_PROG (&sv_pr_state, tent); } /* SV_Rate_f Change the bandwidth estimate for a client */ static void SV_Rate_f (void *unused) { int rate; if (Cmd_Argc () != 2) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Current rate is %i\n", (int) (1.0 / host_client->netchan.rate + 0.5)); return; } rate = atoi (Cmd_Argv (1)); if (sv_maxrate) { rate = bound (500, rate, sv_maxrate); } else { rate = max (500, rate); } SV_ClientPrintf (1, host_client, PRINT_HIGH, "Net rate set to %i\n", rate); host_client->netchan.rate = 1.0 / rate; } /* SV_Msg_f Change the message level for a client */ static void SV_Msg_f (void *unused) { if (Cmd_Argc () != 2) { SV_ClientPrintf (1, host_client, PRINT_HIGH, "Current msg level is %i\n", host_client->messagelevel); return; } host_client->messagelevel = atoi (Cmd_Argv (1)); SV_ClientPrintf (1, host_client, PRINT_HIGH, "Msg level set to %i\n", host_client->messagelevel); } void SV_SetUserinfo (client_t *client, const char *key, const char *value) { char *oldvalue = 0; int send_changes = 1; if (sv_setinfo_e->func || sv_funcs.UserInfoChanged) oldvalue = strdup (Info_ValueForKey (client->userinfo, key)); if (!Info_SetValueForKey (client->userinfo, key, value, !sv_highchars)) { // key hasn't changed if (oldvalue) free (oldvalue); return; } // process any changed values SV_ExtractFromUserinfo (client); // trigger a GIB event if (sv_setinfo_e->func) GIB_Event_Callback (sv_setinfo_e, 4, va (0, "%d", client->userid), key, oldvalue, value); if (sv_funcs.UserInfoChanged) { PR_PushFrame (&sv_pr_state); *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, client->edict); PR_RESET_PARAMS (&sv_pr_state); P_STRING (&sv_pr_state, 0) = PR_SetTempString (&sv_pr_state, key); P_STRING (&sv_pr_state, 1) = PR_SetTempString (&sv_pr_state, oldvalue); P_STRING (&sv_pr_state, 2) = PR_SetTempString (&sv_pr_state, value); sv_pr_state.pr_argc = 3; PR_ExecuteProgram (&sv_pr_state, sv_funcs.UserInfoChanged); PR_PopFrame (&sv_pr_state); send_changes = !R_FLOAT (&sv_pr_state); } if (oldvalue) free (oldvalue); if (send_changes && Info_FilterForKey (key, client_info_filters)) { MSG_WriteByte (&sv.reliable_datagram, svc_setinfo); MSG_WriteByte (&sv.reliable_datagram, client - svs.clients); MSG_WriteString (&sv.reliable_datagram, key); MSG_WriteString (&sv.reliable_datagram, value); } } /* SV_SetInfo_f Allow clients to change userinfo */ static void SV_SetInfo_f (void *unused) { const char *key; const char *value; if (Cmd_Argc () == 1) { SV_Printf ("User info settings:\n"); Info_Print (host_client->userinfo); return; } if (Cmd_Argc () != 3) { SV_Printf ("usage: setinfo [ ]\n"); return; } if (Cmd_Argv (1)[0] == '*') return; // don't set priveledged values key = Cmd_Argv (1); value = Cmd_Argv (2); if (sv_funcs.UserInfoCallback) { PR_PushFrame (&sv_pr_state); *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_RESET_PARAMS (&sv_pr_state); P_STRING (&sv_pr_state, 0) = PR_SetTempString (&sv_pr_state, key); P_STRING (&sv_pr_state, 1) = PR_SetTempString (&sv_pr_state, value); sv_pr_state.pr_argc = 2; PR_ExecuteProgram (&sv_pr_state, sv_funcs.UserInfoCallback); PR_PopFrame (&sv_pr_state); if (R_FLOAT (&sv_pr_state)) return; } SV_SetUserinfo (host_client, key, value); } /* SV_ShowServerinfo_f Dump serverinfo into a string */ static void SV_ShowServerinfo_f (void *unused) { Info_Print (svs.info); } static void SV_NoSnap_f (void *unused) { if (host_client->uploadfn) { dstring_delete (host_client->uploadfn); host_client->uploadfn = 0; SV_BroadcastPrintf (PRINT_HIGH, "%s refused remote screenshot\n", host_client->name); } } ucmd_t ucmds[] = { {"new", SV_New_f, 0, 0}, {"modellist", SV_Modellist_f, 0, 0}, {"soundlist", SV_Soundlist_f, 0, 0}, {"prespawn", SV_PreSpawn_f, 0, 0}, {"spawn", SV_Spawn_f, 0, 0}, {"begin", SV_Begin_f, 1, 0}, {"drop", SV_Drop_f, 0, 0}, {"pings", SV_Pings_f, 0, 0}, // issued by hand at client consoles {"rate", SV_Rate_f, 0, 0}, {"kill", SV_Kill_f, 1, 1}, {"pause", SV_Pause_f, 1, 0}, {"msg", SV_Msg_f, 0, 0}, {"say", SV_Say_f, 1, 1}, {"say_team", SV_Say_Team_f, 1, 1}, {"setinfo", SV_SetInfo_f, 1, 0}, {"serverinfo", SV_ShowServerinfo_f,0, 0}, {"download", SV_BeginDownload_f, 1, 0}, {"nextdl", SV_NextDownload_f, 0, 0}, {"ptrack", SV_PTrack_f, 0, 1}, // ZOID - used with autocam {"snap", SV_NoSnap_f, 0, 0}, }; static hashtab_t *ucmd_table; int (*ucmd_unknown)(void); static void call_qc_hook (void *qc_hook) { *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, (pr_func_t) (intptr_t) qc_hook); } static const char * ucmds_getkey (const void *_a, void *unused) { ucmd_t *a = (ucmd_t*)_a; return a->name; } static void ucmds_free (void *_c, void *unused) { ucmd_t *c = (ucmd_t*)_c; if (c->freeable) { if (c->on_free) c->on_free (c->userdata); free ((char *)c->name); free (c); } } /* hash and compare functions: user commands are accessed by name but removed by pointer (because they are overridable and multiple commands can be stored under the same command name) so we define a get_hash functions that hashes the key and a compare function that compares the pointer. */ static uintptr_t ucmd_get_hash (const void *_a, void *data) { ucmd_t *a = (ucmd_t*)_a; return Hash_String (a->name); } static int ucmd_compare (const void *a, const void *b, void *data) { return a == b; } /* SV_AddUserCommand Adds a new user command. Returns a pointer to the command object (to be used by SV_RemoveUserCommand) if succesful, NULL if the command already exists and is not overridable. */ void * SV_AddUserCommand (const char *name, void (*func) (void *userdata), int flags, void *userdata, void (*on_free) (void *userdata)) { ucmd_t *cmd; cmd = Hash_Find (ucmd_table, name); if (cmd && !cmd->overridable) return NULL; cmd = calloc (1, sizeof (ucmd_t)); cmd->freeable = 1; cmd->name = strdup (name); cmd->func = func; cmd->no_redirect = (flags & UCMD_NO_REDIRECT) ? 1 : 0; cmd->overridable = (flags & UCMD_OVERRIDABLE) ? 1 : 0; cmd->userdata = userdata; cmd->on_free = on_free; Hash_Add (ucmd_table, cmd); return cmd; } /* Removes a user command added with SV_AddUserCommand. Returns true if successful, false if not. */ int SV_RemoveUserCommand (void *cmd) { void *ele = Hash_DelElement(ucmd_table, cmd); if (!ele) return 0; Hash_Free (ucmd_table, ele); return 1; } static void PF_SV_AddUserCommand (progs_t *pr, void *data) { const char *name = P_GSTRING (pr, 0); ucmd_t *cmd; cmd = SV_AddUserCommand (name, call_qc_hook, P_INT (pr, 2) ? UCMD_NO_REDIRECT : 0, (void *) (intptr_t) P_FUNCTION (pr, 1), NULL); if (!cmd) SV_Printf ("%s already a user command\n", name); } void SV_SetupUserCommands (void) { size_t i; Hash_FlushTable (ucmd_table); for (i = 0; i < sizeof (ucmds) / sizeof (ucmds[0]); i++) Hash_Add (ucmd_table, &ucmds[i]); } /* SV_ExecuteUserCommand Uhh...execute user command. :) */ void SV_ExecuteUserCommand (const char *s) { ucmd_t *u; COM_TokenizeString (s, sv_args); cmd_args = sv_args; sv_player = host_client->edict; u = (ucmd_t*) Hash_Find (ucmd_table, sv_args->argv[0]->str); if (!u) { if (!ucmd_unknown || !ucmd_unknown ()) { SV_BeginRedirect (RD_CLIENT); SV_Printf ("Bad user command: %s\n", sv_args->argv[0]->str); SV_EndRedirect (); } } else { if (!u->no_redirect) SV_BeginRedirect (RD_CLIENT); u->func (u->userdata); if (!u->no_redirect) SV_EndRedirect (); } } // USER CMD EXECUTION ========================================================= /* SV_CalcRoll Used by view and sv_user */ static float SV_CalcRoll (vec3_t angles, vec3_t velocity) { vec3_t forward, right, up; float side, sign, value; AngleVectors (angles, forward, right, up); side = DotProduct (velocity, right); sign = side < 0 ? -1 : 1; side = fabs (side); value = cl_rollangle; if (side < cl_rollspeed) side = side * value / cl_rollspeed; else side = value; return side * sign; } //============================================================================ vec3_t pmove_mins, pmove_maxs; static void AddLinksToPmove (areanode_t *node) { edict_t *check; pr_uint_t pl, i; link_t *l, *next; physent_t *pe; pl = EDICT_TO_PROG (&sv_pr_state, sv_player); // touch linked edicts for (l = node->solid_edicts.next; l != &node->solid_edicts; l = next) { next = l->next; check = EDICT_FROM_AREA (l); if (SVentity (check, owner) == pl) continue; // player's own missile if (SVfloat (check, solid) == SOLID_BSP || SVfloat (check, solid) == SOLID_BBOX || SVfloat (check, solid) == SOLID_SLIDEBOX) { if (check == sv_player) continue; for (i = 0; i < 3; i++) if (SVvector (check, absmin)[i] > pmove_maxs[i] || SVvector (check, absmax)[i] < pmove_mins[i]) break; if (i != 3) continue; if (pmove.numphysent == MAX_PHYSENTS) return; pe = &pmove.physents[pmove.numphysent]; pmove.numphysent++; VectorCopy (SVvector (check, origin), pe->origin); VectorCopy (SVvector (check, angles), pe->angles); pe->info = NUM_FOR_EDICT (&sv_pr_state, check); if (sv_fields.rotated_bbox != -1 && SVint (check, rotated_bbox)) { int h = SVint (check, rotated_bbox) - 1; pe->hull = pf_hull_list[h]->hulls[1]; } else { pe->hull = 0; if (SVfloat (check, solid) == SOLID_BSP) { pe->model = sv.models[(int) (SVfloat (check, modelindex))]; } else { pe->model = NULL; VectorCopy (SVvector (check, mins), pe->mins); VectorCopy (SVvector (check, maxs), pe->maxs); } } } } // recurse down both sides if (node->axis == -1) return; if (pmove_maxs[node->axis] > node->dist) AddLinksToPmove (node->children[0]); if (pmove_mins[node->axis] < node->dist) AddLinksToPmove (node->children[1]); } byte playertouch[(MAX_EDICTS + 7) / 8]; /* SV_PreRunCmd Done before running a player command. Clears the touch array */ void SV_PreRunCmd (void) { memset (playertouch, 0, sizeof (playertouch)); } static void adjust_usecs (usercmd_t *ucmd) { int passed; if (host_client->last_check == -1.0) return; passed = (int) ((realtime - host_client->last_check) * 1000.0); host_client->msecs += passed - ucmd->msec; if (host_client->msecs >= 0) { host_client->msecs -= sv_timecheck_decay; } else { host_client->msecs += sv_timecheck_decay; } if (abs (host_client->msecs) > sv_timecheck_fuzz) { int fuzz = sv_timecheck_fuzz; host_client->msecs = bound (-fuzz, host_client->msecs, fuzz); ucmd->msec = passed; } host_client->last_check = realtime; } static void check_usecs (usercmd_t *ucmd) { double tmp_time; int tmp_time1; host_client->msecs += ucmd->msec; if (host_client->spectator) return; if (host_client->last_check == -1.0) return; tmp_time = realtime - host_client->last_check; if (tmp_time < sv_timekick_interval) return; host_client->last_check = realtime; tmp_time1 = tmp_time * (1000 + sv_timekick_fuzz); if (host_client->msecs >= tmp_time1) { host_client->msec_cheating++; SV_BroadcastPrintf (PRINT_HIGH, "%s thinks there are %d ms " "in %d seconds (Strike %d/%d)\n", host_client->name, host_client->msecs, (int) tmp_time, host_client->msec_cheating, sv_timekick); if (host_client->msec_cheating >= sv_timekick) { SV_BroadcastPrintf (PRINT_HIGH, "Strike %d for %s!!\n", host_client->msec_cheating, host_client->name); SV_BroadcastPrintf (PRINT_HIGH, "Please see " "http://www.quakeforge.net/speed_cheat.php " "for information on QuakeForge's time cheat " "protection. That page explains how some may " "be cheating without knowing it.\n"); SV_DropClient (host_client); } } host_client->msecs = 0; } void SV_RunCmd (usercmd_t *ucmd, qboolean inside) { int oldmsec, i, n; edict_t *ent; if (!inside) { if (sv_timecheck_mode) { adjust_usecs (ucmd); } else { check_usecs (ucmd); } if (host_client->last_check == -1.0) host_client->last_check = realtime; } cmd = *ucmd; // chop up very long commands if (cmd.msec > 50) { oldmsec = ucmd->msec; cmd.msec = oldmsec / 2; SV_RunCmd (&cmd, 1); cmd.msec = oldmsec / 2; cmd.impulse = 0; SV_RunCmd (&cmd, 1); return; } if (!SVfloat (sv_player, fixangle)) VectorCopy (ucmd->angles, SVvector (sv_player, v_angle)); SVfloat (sv_player, button0) = ucmd->buttons & 1; // 1999-10-29 +USE fix by Maddes start if (!nouse) { SVfloat (sv_player, button1) = (ucmd->buttons & 4) >> 2; } // 1999-10-29 +USE fix by Maddes end SVfloat (sv_player, button2) = (ucmd->buttons & 2) >> 1; if (ucmd->impulse) SVfloat (sv_player, impulse) = ucmd->impulse; if (host_client->cuff_time > realtime) SVfloat (sv_player, button0) = SVfloat (sv_player, impulse) = 0; // angles // show 1/3 the pitch angle and all the roll angle if (SVfloat (sv_player, health) > 0) { //FIXME hardcoded mod info if (!SVfloat (sv_player, fixangle)) { SVvector (sv_player, angles)[PITCH] = -SVvector (sv_player, v_angle)[PITCH] / 3; SVvector (sv_player, angles)[YAW] = SVvector (sv_player, v_angle)[YAW]; } SVvector (sv_player, angles)[ROLL] = SV_CalcRoll (SVvector (sv_player, angles), SVvector (sv_player, velocity)) * 4; } sv_frametime = min (0.1, ucmd->msec * 0.001); if (!host_client->spectator) { *sv_globals.frametime = sv_frametime; *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.PlayerPreThink); SV_RunThink (sv_player); } for (i = 0; i < 3; i++) pmove.origin[i] = SVvector (sv_player, origin)[i] + (SVvector (sv_player, mins)[i] - player_mins[i]); VectorCopy (SVvector (sv_player, velocity), pmove.velocity); VectorCopy (SVvector (sv_player, v_angle), pmove.angles); pmove.flying = SVfloat (sv_player, movetype) == MOVETYPE_FLY; pmove.spectator = host_client->spectator; pmove.waterjumptime = SVfloat (sv_player, teleport_time); if (pmove.waterjumptime) pmove.waterjumptime -= sv.time; pmove.numphysent = 1; pmove.physents[0].model = sv.worldmodel; pmove.cmd = *ucmd; pmove.dead = SVfloat (sv_player, health) <= 0; pmove.oldbuttons = host_client->oldbuttons; pmove.oldonground = host_client->oldonground; movevars.entgravity = host_client->entgravity; movevars.maxspeed = host_client->maxspeed; for (i = 0; i < 3; i++) { pmove_mins[i] = pmove.origin[i] - 256; pmove_maxs[i] = pmove.origin[i] + 256; } #if 0 AddAllEntsToPmove (); #else AddLinksToPmove (sv_areanodes); #endif #if 0 { int before, after; before = PM_TestPlayerPosition (pmove.origin); PlayerMove (); after = PM_TestPlayerPosition (pmove.origin); if (SVfloat (sv_player, health) > 0 && before && !after) SV_Printf ("player %s got stuck in playermove!!!!\n", host_client->name); } #else PlayerMove (); #endif host_client->oldbuttons = pmove.oldbuttons; host_client->oldonground = pmove.oldonground; if (pmove.waterjumptime > 0) pmove.waterjumptime += sv.time; else pmove.waterjumptime = 0; SVfloat (sv_player, teleport_time) = pmove.waterjumptime; SVfloat (sv_player, waterlevel) = waterlevel; SVfloat (sv_player, watertype) = watertype; if (onground != -1) { SVfloat (sv_player, flags) = (int) SVfloat (sv_player, flags) | FL_ONGROUND; SVentity (sv_player, groundentity) = EDICT_TO_PROG (&sv_pr_state, EDICT_NUM (&sv_pr_state, pmove.physents[onground].info)); } else { SVfloat (sv_player, flags) = (int) SVfloat (sv_player, flags) & ~FL_ONGROUND; } for (i = 0; i < 3; i++) SVvector (sv_player, origin)[i] = pmove.origin[i] - (SVvector (sv_player, mins)[i] - player_mins[i]); #if 0 // truncate velocity the same way the net protocol will for (i = 0; i < 3; i++) SVvector (sv_player, velocity)[i] = (int) pmove.velocity[i]; #else VectorCopy (pmove.velocity, SVvector (sv_player, velocity)); #endif VectorCopy (pmove.angles, SVvector (sv_player, v_angle)); if (!host_client->spectator) { // link into place and touch triggers SV_LinkEdict (sv_player, true); // touch other objects for (i = 0; i < pmove.numtouch; i++) { n = pmove.touchindex[i]->info; ent = EDICT_NUM (&sv_pr_state, n); if (!SVfunc (ent, touch) || (playertouch[n / 8] & (1 << (n % 8)))) continue; sv_pr_touch (ent, sv_player); playertouch[n / 8] |= 1 << (n % 8); } } } /* SV_PostRunCmd Done after running a player command. */ void SV_PostRunCmd (void) { // run post-think if (!host_client->spectator) { *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.PlayerPostThink); SV_RunNewmis (); } else if (sv_funcs.SpectatorThink) { *sv_globals.time = sv.time; *sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player); PR_ExecuteProgram (&sv_pr_state, sv_funcs.SpectatorThink); } } /* SV_ExecuteClientMessage The current net_message is parsed for the given client */ void SV_ExecuteClientMessage (client_t *cl) { byte checksum, calculatedChecksum; const char *s; client_frame_t *frame; int checksumIndex, seq_hash, c; usercmd_t oldest, oldcmd, newcmd; qboolean move_issued = false; // allow only one move command vec3_t o; // make sure the reply sequence number matches the incoming // sequence number if (cl->netchan.incoming_sequence >= cl->netchan.outgoing_sequence) cl->netchan.outgoing_sequence = cl->netchan.incoming_sequence; else cl->send_message = false; // don't reply, sequences have slipped // setup delta information cl->delta.cur_frame = cl->netchan.incoming_acknowledged & UPDATE_MASK; cl->delta.out_frame = cl->netchan.outgoing_sequence & UPDATE_MASK; cl->delta.in_frame = cl->netchan.incoming_sequence & UPDATE_MASK; // calc ping time frame = &cl->delta.frames[cl->delta.cur_frame]; frame->ping_time = realtime - frame->senttime; cl->laggedents_count = 0; if (sv_antilag) { int i; for (i = 0; i < MAX_CLIENTS; i++) { cl->laggedents[i].present = frame->playerpresent[i]; if (cl->laggedents[i].present) { VectorCopy(frame->playerpositions[i], cl->laggedents[i].laggedpos); } } cl->laggedents_count = MAX_CLIENTS; cl->laggedents_frac = sv_antilag_frac; } // save time for ping calculations cl->delta.frames[cl->delta.out_frame].senttime = realtime; cl->delta.frames[cl->delta.out_frame].ping_time = -1; host_client = cl; sv_player = host_client->edict; // seq_hash = (cl->netchan.incoming_sequence & 0xffff) ; // ^ QW_CHECK_HASH; seq_hash = cl->netchan.incoming_sequence; // mark time so clients will know how much to predict other players cl->localtime = sv.time; cl->delta.delta_sequence = -1; // no delta unless requested while (1) { if (net_message->badread) { SV_Printf ("SV_ReadClientMessage: badread\n"); SV_DropClient (cl); return; } c = MSG_ReadByte (net_message); if (c == -1) return; // Ender: Patched :) switch (c) { default: SV_Printf ("SV_ReadClientMessage: unknown command char\n"); SV_DropClient (cl); return; case clc_nop: break; case clc_delta: cl->delta.delta_sequence = MSG_ReadByte (net_message); break; case clc_move: if (move_issued) return; // someone is trying to cheat... move_issued = true; checksumIndex = MSG_GetReadCount (net_message); checksum = (byte) MSG_ReadByte (net_message); // read loss percentage cl->lossage = MSG_ReadByte (net_message); MSG_ReadDeltaUsercmd (net_message, &nullcmd, &oldest); MSG_ReadDeltaUsercmd (net_message, &oldest, &oldcmd); MSG_ReadDeltaUsercmd (net_message, &oldcmd, &newcmd); if (cl->state != cs_spawned) break; // if the checksum fails, ignore the rest of the packet calculatedChecksum = COM_BlockSequenceCRCByte (net_message->message->data + checksumIndex + 1, MSG_GetReadCount (net_message) - checksumIndex - 1, seq_hash); if (calculatedChecksum != checksum) { Sys_MaskPrintf (SYS_dev, "Failed command checksum for %s(%d) " "(%d != %d)\n", cl->name, cl->netchan.incoming_sequence, checksum, calculatedChecksum); return; } if (!sv.paused) { SV_PreRunCmd (); if (cl->netchan.net_drop < 20) { while (cl->netchan.net_drop > 2) { SV_RunCmd (&cl->lastcmd, 0); cl->netchan.net_drop--; } if (cl->netchan.net_drop > 1) SV_RunCmd (&oldest, 0); if (cl->netchan.net_drop > 0) SV_RunCmd (&oldcmd, 0); } SV_RunCmd (&newcmd, 0); SV_PostRunCmd (); } cl->lastcmd = newcmd; cl->lastcmd.buttons = 0; // avoid multiple fires on lag break; case clc_stringcmd: s = MSG_ReadString (net_message); SV_ExecuteUserCommand (s); break; case clc_tmove: MSG_ReadCoordV (net_message, o); // allowed for only spectators if (host_client->spectator) { VectorCopy (o, SVvector (sv_player, origin)); SV_LinkEdict (sv_player, false); } break; case clc_upload: SV_NextUpload (); break; } } } #define bi(x,np,params...) {#x, PF_##x, -1, np, {params}} #define p(type) PR_PARAM(type) #define P(a, s) { .size = (s), .alignment = BITOP_LOG2 (a), } static builtin_t builtins[] = { bi(SV_AddUserCommand, 3, p(string), p(func), p(int)), {0} }; static void SV_MaxRate_f (void *data, const cvar_t *cvar) { client_t *cl; int maxrate = sv_maxrate; int i, rate = 2500; const char *val; Cvar_Info (data, cvar); for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++) { if (!cl->userinfo) continue; val = Info_ValueForKey (cl->userinfo, "rate"); if (strlen (val)) { rate = atoi (val); if (maxrate) { rate = bound (500, rate, maxrate); } else { rate = max (500, rate); } cl->netchan.rate = 1.0 / rate; } SV_ClientPrintf (1, cl, PRINT_HIGH, "Net rate set to %i\n", rate); } } void SV_UserInit (void) { ucmd_table = Hash_NewTable (251, ucmds_getkey, ucmds_free, 0, 0); Hash_SetHashCompare (ucmd_table, ucmd_get_hash, ucmd_compare); PR_RegisterBuiltins (&sv_pr_state, builtins, 0); Cvar_Register (&cl_rollspeed_cvar, 0, 0); Cvar_Register (&cl_rollangle_cvar, 0, 0); Cvar_Register (&sv_antilag_cvar, Cvar_Info, &sv_antilag); Cvar_Register (&sv_antilag_frac_cvar, Cvar_Info, &sv_antilag_frac); Cvar_Register (&sv_allowfake_cvar, 0, 0); Cvar_Register (&sv_spectalk_cvar, 0, 0); Cvar_Register (&sv_mapcheck_cvar, 0, 0); Cvar_Register (&sv_timecheck_mode_cvar, 0, 0); Cvar_Register (&sv_timekick_cvar, Cvar_Info, &sv_timekick); Cvar_Register (&sv_timekick_fuzz_cvar, 0, 0); Cvar_Register (&sv_timekick_interval_cvar, 0, 0); Cvar_Register (&sv_timecheck_fuzz_cvar, 0, 0); Cvar_Register (&sv_timecheck_decay_cvar, 0, 0); Cvar_Register (&sv_kickfake_cvar, 0, 0); Cvar_Register (&sv_http_url_base_cvar, 0, 0); Cvar_Register (&sv_maxrate_cvar, SV_MaxRate_f, 0); Cvar_Register (&sv_maxspeed_cvar, Cvar_Info, &sv_maxspeed); Cvar_Register (&sv_spectatormaxspeed_cvar, 0, 0); Cvar_Register (&sv_accelerate_cvar, 0, 0); Cvar_Register (&sv_airaccelerate_cvar, 0, 0); Cvar_Register (&sv_wateraccelerate_cvar, 0, 0); Cvar_Register (&sv_waterfriction_cvar, 0, 0); } static void OutofBandPrintf (netadr_t where, const char *fmt, ...) { // 0 for davsprintf static const char header[] = {0xff, 0xff, 0xff, 0xff, A2C_PRINT, 0}; static dstring_t *send = 0; va_list argptr; int len; if (!send) send = dstring_new (); send->size = sizeof (header); dstring_adjust (send); memcpy (send->str, header, sizeof (header)); va_start (argptr, fmt); davsprintf (send, fmt, argptr); va_end (argptr); len = min (send->size, 1024); Netchan_SendPacket (len, send->str, where); }