void TryRunTics (void)
{
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 (server)
I_WaitForPacket(ms_to_next_tick);
else
I_uSleep(ms_to_next_tick*1000);
if (I_GetTime() - entertime > 10)
{
remotesend--;
if (server)
{
char buf[sizeof(packet_header_t) + 1];
packet_set((packet_header_t *)buf, PKT_RETRANS, remotetic);
buf[sizeof(buf) - 1] = consoleplayer;
I_SendPacket((packet_header_t *)buf, sizeof buf);
}
M_Ticker();
return;
}
} else break;
}
while (runtics--)
{
#ifdef HAVE_NET
if (server) CheckQueuedPackets();
#endif
if (advancedemo) D_DoAdvanceDemo ();
M_Ticker ();
G_Ticker ();
gametic++;
#ifdef HAVE_NET
NetUpdate(); // Keep sending our tics to avoid stalling remote nodes
#endif
}
}
void TryRunTics (void)
{
int runtics;
int entertime = I_GetTime();
// Wait for tics to run
while (1) {
NetUpdate();
runtics = (server ? remotetic : maketic) - gametic;
if (!runtics) {
if (!movement_smooth) {
if (server)
I_WaitForPacket(ms_to_next_tick);
else
I_uSleep(ms_to_next_tick*1000);
}
if (I_GetTime() - entertime > 10) {
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);
}
M_Ticker(); return;
}
{
WasRenderedInTryRunTics = TRUE;
if (movement_smooth && gamestate==wipegamestate)
{
isExtraDDisplay = TRUE;
D_Display();
isExtraDDisplay = FALSE;
}
}
} else break;
}
while (runtics--) {
if (server) CheckQueuedPackets();
if (advancedemo)
D_DoAdvanceDemo ();
M_Ticker ();
I_GetTime_SaveMS();
G_Ticker ();
P_Checksum(gametic);
gametic++;
NetUpdate(); // Keep sending our tics to avoid stalling remote nodes
}
}
void D_QuitNetGame (void)
{
uint8_t 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);
}
}
/* 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);
}
}
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");
do {
while (!I_GetPacket(packet, sizeof(packet_header_t)+1)) {
packet_set(packet, PKT_GO, 0);
*(uint8_t*)(packet+1) = consoleplayer;
I_SendPacket(packet, sizeof(packet_header_t)+1);
I_uSleep(100000);
}
} while (packet->type != PKT_GO);
}
Z_Free(packet);
}
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);
}
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") || M_CheckParm("-net1");
} 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);
// 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--) {
D_AddFile(p, source_net);
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");
}
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:
{
uint8_t *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);
*(uint8_t*)(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");
}
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);
*(uint8_t*)(packet+1) = sendtics;
*(((uint8_t*)(packet+1))+1) = consoleplayer;
{
void *tic = ((uint8_t*)(packet+1)) +2;
while (sendtics--) {
TicToRaw(tic, &localcmds[remotesend++%BACKUPTICS]);
tic = (uint8_t *)tic + sizeof(ticcmd_t);
}
}
I_SendPacket(packet, pkt_size);
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);
*(uint8_t*)(packet+1) = consoleplayer;
strcpy(1+(uint8_t*)(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;
uint8_t *p = (uint8_t*)(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 D_InitNetGame (void)
{
int i;
int numplayers = 1;
i = M_CheckParm("-net");
if (i && i < myargc-1) i++;
server = netgame;
if (!netgame)
{
playeringame[consoleplayer = 0] = true;
} else {
StartWifi();
// 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;
iprintf("I_InitNetwork()\n");
I_InitNetwork();
udp_socket = I_Socket(0);
//I_ConnectToServer(myargv[i]);
iprintf("I_ConnectToServer()\n");
if (I_ConnectToServer(server_address[0]) != 0) iprintf("FAILURE!\n");
iprintf("Connected?\n");
do
{
iprintf("Send Init Packet\n");
do
{
// Send init packet
initpacket.pn = doom_htons(wanted_player_number);
packet_set(&initpacket.head, PKT_INIT, 0);
I_SendPacket(&initpacket.head, sizeof(initpacket));
iprintf("Wait for packet\n");
I_WaitForPacket(5000);
iprintf("Done\n");
} while (!I_GetPacket(packet, 1000));
iprintf("Got it!\n");
if (packet->type == PKT_DOWN) I_Error("Server aborted the game");
} while (packet->type != PKT_SETUP);
iprintf("Out of loop!\n");
// 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--)
{
D_AddFile(p, source_net);
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");
}
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
}
}