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dvr/app/jni/prboom/d_client.c
Simon 9138ea77ab Initial Commit of all Source
2016-03-03 22:28:59 +00:00

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/* Emacs style mode select -*- C++ -*-
*-----------------------------------------------------------------------------
*
*
* PrBoom: a Doom port merged with LxDoom and LSDLDoom
* based on BOOM, a modified and improved DOOM engine
* Copyright (C) 1999 by
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
* Copyright (C) 1999-2000 by
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
* Copyright 2005, 2006 by
* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
*
* 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 the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* DESCRIPTION:
* Network client. Passes information to/from server, staying
* synchronised.
* Contains the main wait loop, waiting for network input or
* time before doing the next tic.
* Rewritten for LxDoom, but based around bits of the old code.
*
*-----------------------------------------------------------------------------
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef USE_SDL_NET
// Vladimir #include "SDL.h"
#endif
#include "doomtype.h"
#include "doomstat.h"
#include "d_net.h"
#include "z_zone.h"
#include "d_main.h"
#include "g_game.h"
#include "m_menu.h"
#include "p_checksum.h"
#include "protocol.h"
#include "i_network.h"
#include "i_system.h"
#include "i_main.h"
#include "i_video.h"
#include "m_argv.h"
#include "r_fps.h"
#include "lprintf.h"
#include "jni_doom.h"
static boolean server;
static int remotetic; // Tic expected from the remote
static int remotesend; // Tic expected by the remote
ticcmd_t netcmds[MAXPLAYERS][BACKUPTICS];
static ticcmd_t* localcmds;
static unsigned numqueuedpackets;
static packet_header_t** queuedpacket;
int maketic;
int ticdup = 1;
static int xtratics = 0;
int wanted_player_number;
static boolean isExtraDDisplay = false;
static void D_QuitNetGame (void);
#ifndef HAVE_NET
doomcom_t* doomcom;
#endif
#ifdef HAVE_NET
void D_InitNetGame (void)
{
int i;
int numplayers = 1;
i = M_CheckParm("-net");
if (i && i < myargc-1) i++;
if (!(netgame = server = !!i)) {
playeringame[consoleplayer = 0] = true;
// e6y
// for play, recording or playback using "single-player coop" mode.
// Equivalent to using prboom_server with -N 1
netgame = M_CheckParm("-solo-net");
} else {
// Get game info from server
packet_header_t *packet = Z_Malloc(1000, PU_STATIC, NULL);
struct setup_packet_s *sinfo = (void*)(packet+1);
struct { packet_header_t head; short pn; } PACKEDATTR initpacket;
I_InitNetwork();
udp_socket = I_Socket(0);
I_ConnectToServer(myargv[i]);
do
{
do {
// Send init packet
initpacket.pn = doom_htons(wanted_player_number);
packet_set(&initpacket.head, PKT_INIT, 0);
I_SendPacket(&initpacket.head, sizeof(initpacket));
I_WaitForPacket(5000);
} while (!I_GetPacket(packet, 1000));
if (packet->type == PKT_DOWN) I_Error("Server aborted the game");
} while (packet->type != PKT_SETUP);
// Once we have been accepted by the server, we should tell it when we leave
atexit(D_QuitNetGame);
// Get info from the setup packet
consoleplayer = sinfo->yourplayer;
compatibility_level = sinfo->complevel;
G_Compatibility();
startskill = sinfo->skill;
deathmatch = sinfo->deathmatch;
startmap = sinfo->level;
startepisode = sinfo->episode;
ticdup = sinfo->ticdup;
xtratics = sinfo->extratic;
G_ReadOptions(sinfo->game_options);
lprintf(LO_INFO, "\tjoined game as player %d/%d; %d WADs specified\n",
consoleplayer+1, numplayers = sinfo->players, sinfo->numwads);
{
char *p = sinfo->wadnames;
int i = sinfo->numwads;
while (i--) {
#ifdef USE_ANDROID
char tmp[80];
strcpy(tmp, DOOMWADDIR);
strcat(tmp, "/");
strcat(tmp, p);
D_AddFile(tmp, source_net);
#else
D_AddFile(p, source_net);
#endif
p += strlen(p) + 1;
}
}
Z_Free(packet);
}
localcmds = netcmds[displayplayer = consoleplayer];
for (i=0; i<numplayers; i++)
playeringame[i] = true;
for (; i<MAXPLAYERS; i++)
playeringame[i] = false;
if (!playeringame[consoleplayer]) I_Error("D_InitNetGame: consoleplayer not in game");
}
#else
void D_InitNetGame (void)
{
int i;
doomcom = Z_Malloc(sizeof *doomcom, PU_STATIC, NULL);
doomcom->consoleplayer = 0;
doomcom->numnodes = 0; doomcom->numplayers = 1;
localcmds = netcmds[consoleplayer];
netgame = (M_CheckParm("-solo-net") != 0);
for (i=0; i<doomcom->numplayers; i++)
playeringame[i] = true;
for (; i<MAXPLAYERS; i++)
playeringame[i] = false;
consoleplayer = displayplayer = doomcom->consoleplayer;
}
#endif // HAVE_NET
#ifdef HAVE_NET
void D_CheckNetGame(void)
{
packet_header_t *packet = Z_Malloc(sizeof(packet_header_t)+1, PU_STATIC, NULL);
if (server) {
lprintf(LO_INFO, "D_CheckNetGame: waiting for server to signal game start\n");
#ifdef USE_ANDROID
jni_info_msg("Waiting for server to signal game start!", TT_LONG_DELAY | TT_COLOR_RED);
#endif
do {
while (!I_GetPacket(packet, sizeof(packet_header_t)+1)) {
packet_set(packet, PKT_GO, 0);
*(byte*)(packet+1) = consoleplayer;
I_SendPacket(packet, sizeof(packet_header_t)+1);
I_uSleep(100000);
}
} while (packet->type != PKT_GO);
}
Z_Free(packet);
}
boolean D_NetGetWad(const char* name)
{
#if defined(HAVE_WAIT_H)
size_t psize = sizeof(packet_header_t) + strlen(name) + 500;
packet_header_t *packet;
boolean done = false;
if (!server || strchr(name, '/')) return false; // If it contains path info, reject
do {
// Send WAD request to remote
packet = Z_Malloc(psize, PU_STATIC, NULL);
packet_set(packet, PKT_WAD, 0);
*(byte*)(packet+1) = consoleplayer;
strcpy(1+(byte*)(packet+1), name);
I_SendPacket(packet, sizeof(packet_header_t) + strlen(name) + 2);
I_uSleep(10000);
} while (!I_GetPacket(packet, psize) || (packet->type != PKT_WAD));
Z_Free(packet);
if (!strcasecmp((void*)(packet+1), name)) {
pid_t pid;
int rv;
byte *p = (byte*)(packet+1) + strlen(name) + 1;
/* Automatic wad file retrieval using wget (supports http and ftp, using URLs)
* Unix systems have all these commands handy, this kind of thing is easy
* Any windo$e port will have some awkward work replacing these.
*/
/* cph - caution here. This is data from an untrusted source.
* Don't pass it via a shell. */
if ((pid = fork()) == -1)
perror("fork");
else if (!pid) {
/* Child chains to wget, does the download */
execlp("wget", "wget", p, NULL);
}
/* This is the parent, i.e. main LxDoom process */
wait(&rv);
if (!(done = !access(name, R_OK))) {
if (!strcmp(p+strlen(p)-4, ".zip")) {
p = strrchr(p, '/')+1;
if ((pid = fork()) == -1)
perror("fork");
else if (!pid) {
/* Child executes decompressor */
execlp("unzip", "unzip", p, name, NULL);
}
/* Parent waits for the file */
wait(&rv);
done = !!access(name, R_OK);
}
/* Add more decompression protocols here as desired */
}
Z_Free(buffer);
}
return done;
#else /* HAVE_WAIT_H */
return false;
#endif
}
void NetUpdate(void)
{
static int lastmadetic;
if (isExtraDDisplay)
return;
if (server) { // Receive network packets
size_t recvlen;
packet_header_t *packet = Z_Malloc(10000, PU_STATIC, NULL);
while ((recvlen = I_GetPacket(packet, 10000))) {
switch(packet->type) {
case PKT_TICS:
{
byte *p = (void*)(packet+1);
int tics = *p++;
unsigned long ptic = doom_ntohl(packet->tic);
if (ptic > (unsigned)remotetic) { // Missed some
packet_set(packet, PKT_RETRANS, remotetic);
*(byte*)(packet+1) = consoleplayer;
I_SendPacket(packet, sizeof(*packet)+1);
} else {
if (ptic + tics <= (unsigned)remotetic) break; // Will not improve things
remotetic = ptic;
while (tics--) {
int players = *p++;
while (players--) {
int n = *p++;
RawToTic(&netcmds[n][remotetic%BACKUPTICS], p);
p += sizeof(ticcmd_t);
}
remotetic++;
}
}
}
break;
case PKT_RETRANS: // Resend request
remotesend = doom_ntohl(packet->tic);
break;
case PKT_DOWN: // Server downed
{
int j;
for (j=0; j<MAXPLAYERS; j++)
if (j != consoleplayer) playeringame[j] = false;
server = false;
doom_printf("Server is down\nAll other players are no longer in the game\n");
jni_info_msg("Server is down\nAll other players are no longer in the game!", TT_LONG_DELAY | TT_COLOR_RED);
}
break;
case PKT_EXTRA: // Misc stuff
case PKT_QUIT: // Player quit
// Queue packet to be processed when its tic time is reached
queuedpacket = Z_Realloc(queuedpacket, ++numqueuedpackets * sizeof *queuedpacket,
PU_STATIC, NULL);
queuedpacket[numqueuedpackets-1] = Z_Malloc(recvlen, PU_STATIC, NULL);
memcpy(queuedpacket[numqueuedpackets-1], packet, recvlen);
break;
case PKT_BACKOFF:
/* cph 2003-09-18 -
* The server sends this when we have got ahead of the other clients. We should
* stall the input side on this client, to allow other clients to catch up.
*/
lastmadetic++;
break;
default: // Other packet, unrecognised or redundant
break;
}
}
Z_Free(packet);
}
{ // Build new ticcmds
int newtics = I_GetTime() - lastmadetic;
newtics = (newtics > 0 ? newtics : 0);
lastmadetic += newtics;
if (ffmap) newtics++;
while (newtics--) {
I_StartTic();
if (maketic - gametic > BACKUPTICS/2) break;
G_BuildTiccmd(&localcmds[maketic%BACKUPTICS]);
maketic++;
}
if (server && maketic > remotesend) { // Send the tics to the server
int sendtics;
remotesend -= xtratics;
if (remotesend < 0) remotesend = 0;
sendtics = maketic - remotesend;
{
size_t pkt_size = sizeof(packet_header_t) + 2 + sendtics * sizeof(ticcmd_t);
packet_header_t *packet = Z_Malloc(pkt_size, PU_STATIC, NULL);
packet_set(packet, PKT_TICC, maketic - sendtics);
*(byte*)(packet+1) = sendtics;
*(((byte*)(packet+1))+1) = consoleplayer;
{
void *tic = ((byte*)(packet+1)) +2;
while (sendtics--) {
TicToRaw(tic, &localcmds[remotesend++%BACKUPTICS]);
tic = (byte *)tic + sizeof(ticcmd_t);
}
}
I_SendPacket(packet, pkt_size);
Z_Free(packet);
}
}
}
}
#else
void D_BuildNewTiccmds(void)
{
static int lastmadetic;
int newtics = I_GetTime() - lastmadetic;
lastmadetic += newtics;
while (newtics--)
{
I_StartTic();
if (maketic - gametic > BACKUPTICS/2) break;
G_BuildTiccmd( &localcmds[maketic % BACKUPTICS] );
maketic++;
}
}
#endif
#ifdef HAVE_NET
/* cph - data passed to this must be in the Doom (little-) endian */
void D_NetSendMisc(netmisctype_t type, size_t len, void* data)
{
if (server) {
size_t size = sizeof(packet_header_t) + 3*sizeof(int) + len;
packet_header_t *packet = Z_Malloc(size, PU_STATIC, NULL);
int *p = (void*)(packet+1);
packet_set(packet, PKT_EXTRA, gametic);
*p++ = LONG(type); *p++ = LONG(consoleplayer); *p++ = LONG(len);
memcpy(p, data, len);
I_SendPacket(packet, size);
Z_Free(packet);
}
}
static void CheckQueuedPackets(void)
{
int i;
for (i=0; (unsigned)i<numqueuedpackets; i++)
if (doom_ntohl(queuedpacket[i]->tic) <= gametic)
switch (queuedpacket[i]->type) {
case PKT_QUIT: // Player quit the game
{
int pn = *(byte*)(queuedpacket[i]+1);
playeringame[pn] = false;
doom_printf("Player %d left the game\n", pn);
}
break;
case PKT_EXTRA:
{
int *p = (int*)(queuedpacket[i]+1);
size_t len = LONG(*(p+2));
switch (LONG(*p)) {
case nm_plcolour:
G_ChangedPlayerColour(LONG(*(p+1)), LONG(*(p+3)));
break;
case nm_savegamename:
if (len < SAVEDESCLEN) {
memcpy(savedescription, p+3, len);
// Force terminating 0 in case
savedescription[len] = 0;
}
break;
}
}
break;
default: // Should not be queued
break;
}
{ // Requeue remaining packets
int newnum = 0;
packet_header_t **newqueue = NULL;
for (i=0; (unsigned)i<numqueuedpackets; i++)
if (doom_ntohl(queuedpacket[i]->tic) > gametic) {
newqueue = Z_Realloc(newqueue, ++newnum * sizeof *newqueue,
PU_STATIC, NULL);
newqueue[newnum-1] = queuedpacket[i];
} else Z_Free(queuedpacket[i]);
Z_Free(queuedpacket);
numqueuedpackets = newnum; queuedpacket = newqueue;
}
}
#endif // HAVE_NET
void TryRunTics ()
{
int runtics;
int entertime = I_GetTime();
// Wait for tics to run
while (1) {
#ifdef HAVE_NET
NetUpdate();
#else
D_BuildNewTiccmds();
#endif
runtics = (server ? remotetic : maketic) - gametic;
if (!runtics) {
if (!movement_smooth) {
#ifdef HAVE_NET
if (server)
I_WaitForPacket(ms_to_next_tick);
else
#endif
I_uSleep(ms_to_next_tick*1000);
}
if (I_GetTime() - entertime > 10) {
#ifdef HAVE_NET
if (server) {
char buf[sizeof(packet_header_t)+1];
remotesend--;
packet_set((packet_header_t *)buf, PKT_RETRANS, remotetic);
buf[sizeof(buf)-1] = consoleplayer;
I_SendPacket((packet_header_t *)buf, sizeof buf);
}
#endif
M_Ticker(); return;
}
//if ((displaytime) < (tic_vars.next-SDL_GetTicks()))
{
WasRenderedInTryRunTics = true;
if (V_GetMode() == VID_MODEGL ?
movement_smooth :
movement_smooth && gamestate==wipegamestate)
{
isExtraDDisplay = true;
D_Display(0);
D_Display(1);
isExtraDDisplay = false;
}
}
} else break;
}
while (runtics--) {
#ifdef HAVE_NET
if (server) CheckQueuedPackets();
#endif
if (advancedemo)
D_DoAdvanceDemo ();
M_Ticker ();
I_GetTime_SaveMS();
G_Ticker ();
P_Checksum(gametic);
gametic++;
#ifdef HAVE_NET
NetUpdate(); // Keep sending our tics to avoid stalling remote nodes
#endif
}
}
#ifdef HAVE_NET
static void D_QuitNetGame (void)
{
byte buf[1 + sizeof(packet_header_t)];
packet_header_t *packet = (void*)buf;
int i;
if (!server) return;
buf[sizeof(packet_header_t)] = consoleplayer;
packet_set(packet, PKT_QUIT, gametic);
for (i=0; i<4; i++) {
I_SendPacket(packet, 1 + sizeof(packet_header_t));
I_uSleep(10000);
}
}
#endif
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