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Diffstat (limited to 'src/d_net.c')
| -rw-r--r-- | src/d_net.c | 643 |
1 files changed, 0 insertions, 643 deletions
diff --git a/src/d_net.c b/src/d_net.c deleted file mode 100644 index 57fe2399..00000000 --- a/src/d_net.c +++ /dev/null @@ -1,643 +0,0 @@ -// Emacs style mode select -*- C++ -*- -//----------------------------------------------------------------------------- -// -// Copyright(C) 1993-1996 Id Software, Inc. -// Copyright(C) 2005 Simon Howard -// -// 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: -// DOOM Network game communication and protocol, -// all OS independend parts. -// -//----------------------------------------------------------------------------- - - - -#include "doomfeatures.h" - -#include "d_main.h" -#include "m_argv.h" -#include "m_menu.h" -#include "i_system.h" -#include "i_timer.h" -#include "i_video.h" -#include "g_game.h" -#include "doomdef.h" -#include "doomstat.h" - -#include "deh_main.h" - -#include "net_client.h" -#include "net_gui.h" -#include "net_io.h" -#include "net_query.h" -#include "net_server.h" -#include "net_sdl.h" -#include "net_loop.h" - - -// -// NETWORKING -// -// gametic is the tic about to (or currently being) run -// maketic is the tick that hasn't had control made for it yet -// nettics[] has the maketics for all players -// -// a gametic cannot be run until nettics[] > gametic for all players -// - -ticcmd_t netcmds[MAXPLAYERS][BACKUPTICS]; -int nettics[MAXPLAYERS]; - -int maketic; - -// Used for original sync code. - -int lastnettic; -int skiptics = 0; - -// Reduce the bandwidth needed by sampling game input less and transmitting -// less. If ticdup is 2, sample half normal, 3 = one third normal, etc. - -int ticdup; - -// Send this many extra (backup) tics in each packet. - -int extratics; - -// Amount to offset the timer for game sync. - -fixed_t offsetms; - -// Use new client syncronisation code - -boolean net_cl_new_sync = true; - -// Connected but not participating in the game (observer) - -boolean drone = false; - -// 35 fps clock adjusted by offsetms milliseconds - -static int GetAdjustedTime(void) -{ - int time_ms; - - time_ms = I_GetTimeMS(); - - if (net_cl_new_sync) - { - // Use the adjustments from net_client.c only if we are - // using the new sync mode. - - time_ms += (offsetms / FRACUNIT); - } - - return (time_ms * TICRATE) / 1000; -} - -// -// NetUpdate -// Builds ticcmds for console player, -// sends out a packet -// -int lasttime; - -void NetUpdate (void) -{ - int nowtime; - int newtics; - int i; - int gameticdiv; - - // If we are running with singletics (timing a demo), this - // is all done separately. - - if (singletics) - return; - -#ifdef FEATURE_MULTIPLAYER - - // Run network subsystems - - NET_CL_Run(); - NET_SV_Run(); - -#endif - - // check time - nowtime = GetAdjustedTime() / ticdup; - newtics = nowtime - lasttime; - - lasttime = nowtime; - - if (skiptics <= newtics) - { - newtics -= skiptics; - skiptics = 0; - } - else - { - skiptics -= newtics; - newtics = 0; - } - - // build new ticcmds for console player - gameticdiv = gametic/ticdup; - - for (i=0 ; i<newtics ; i++) - { - ticcmd_t cmd; - - I_StartTic (); - D_ProcessEvents (); - - // Always run the menu - - M_Ticker (); - - if (drone) - { - // In drone mode, do not generate any ticcmds. - - continue; - } - - if (net_cl_new_sync) - { - // If playing single player, do not allow tics to buffer - // up very far - - if ((!netgame || demoplayback) && maketic - gameticdiv > 2) - break; - - // Never go more than ~200ms ahead - - if (maketic - gameticdiv > 8) - break; - } - else - { - if (maketic - gameticdiv >= 5) - break; - } - - //printf ("mk:%i ",maketic); - G_BuildTiccmd(&cmd); - -#ifdef FEATURE_MULTIPLAYER - - if (net_client_connected) - { - NET_CL_SendTiccmd(&cmd, maketic); - } - -#endif - netcmds[consoleplayer][maketic % BACKUPTICS] = cmd; - - ++maketic; - nettics[consoleplayer] = maketic; - } -} - -// -// Start game loop -// -// Called after the screen is set but before the game starts running. -// - -void D_StartGameLoop(void) -{ - lasttime = GetAdjustedTime() / ticdup; -} - - -// -// D_CheckNetGame -// Works out player numbers among the net participants -// -extern int viewangleoffset; - -void D_CheckNetGame (void) -{ - int i; - int num_players; - - // default values for single player - - consoleplayer = 0; - netgame = false; - ticdup = 1; - extratics = 1; - lowres_turn = false; - offsetms = 0; - - for (i=0; i<MAXPLAYERS; i++) - { - playeringame[i] = false; - nettics[i] = 0; - } - - playeringame[0] = true; - - //! - // @category net - // - // Start the game playing as though in a netgame with a single - // player. This can also be used to play back single player netgame - // demos. - // - - if (M_CheckParm("-solo-net") > 0) - { - netgame = true; - } - -#ifdef FEATURE_MULTIPLAYER - - { - net_addr_t *addr = NULL; - - //! - // @category net - // - // Start a multiplayer server, listening for connections. - // - - if (M_CheckParm("-server") > 0) - { - NET_SV_Init(); - NET_SV_AddModule(&net_loop_server_module); - NET_SV_AddModule(&net_sdl_module); - NET_SV_RegisterWithMaster(); - - net_loop_client_module.InitClient(); - addr = net_loop_client_module.ResolveAddress(NULL); - } - else - { - //! - // @category net - // - // Automatically search the local LAN for a multiplayer - // server and join it. - // - - i = M_CheckParm("-autojoin"); - - if (i > 0) - { - addr = NET_FindLANServer(); - - if (addr == NULL) - { - I_Error("No server found on local LAN"); - } - } - - //! - // @arg <address> - // @category net - // - // Connect to a multiplayer server running on the given - // address. - // - - i = M_CheckParmWithArgs("-connect", 1); - - if (i > 0) - { - net_sdl_module.InitClient(); - addr = net_sdl_module.ResolveAddress(myargv[i+1]); - - if (addr == NULL) - { - I_Error("Unable to resolve '%s'\n", myargv[i+1]); - } - } - } - - if (addr != NULL) - { - if (M_CheckParm("-drone") > 0) - { - drone = true; - } - - //! - // @category net - // - // Run as the left screen in three screen mode. - // - - if (M_CheckParm("-left") > 0) - { - viewangleoffset = ANG90; - drone = true; - } - - //! - // @category net - // - // Run as the right screen in three screen mode. - // - - if (M_CheckParm("-right") > 0) - { - viewangleoffset = ANG270; - drone = true; - } - - if (!NET_CL_Connect(addr)) - { - I_Error("D_CheckNetGame: Failed to connect to %s\n", - NET_AddrToString(addr)); - } - - printf("D_CheckNetGame: Connected to %s\n", NET_AddrToString(addr)); - - NET_WaitForStart(); - } - } - -#endif - - num_players = 0; - - for (i=0; i<MAXPLAYERS; ++i) - { - if (playeringame[i]) - ++num_players; - } - - DEH_printf("startskill %i deathmatch: %i startmap: %i startepisode: %i\n", - startskill, deathmatch, startmap, startepisode); - - DEH_printf("player %i of %i (%i nodes)\n", - consoleplayer+1, num_players, num_players); - - // Show players here; the server might have specified a time limit - - if (timelimit > 0 && deathmatch) - { - // Gross hack to work like Vanilla: - - if (timelimit == 20 && M_CheckParm("-avg")) - { - DEH_printf("Austin Virtual Gaming: Levels will end " - "after 20 minutes\n"); - } - else - { - DEH_printf("Levels will end after %d minute", timelimit); - if (timelimit > 1) - printf("s"); - printf(".\n"); - } - } -} - - -// -// D_QuitNetGame -// Called before quitting to leave a net game -// without hanging the other players -// -void D_QuitNetGame (void) -{ -#ifdef FEATURE_MULTIPLAYER - - NET_SV_Shutdown(); - NET_CL_Disconnect(); - -#endif - -} - -// Returns true if there are currently any players in the game. - -static boolean PlayersInGame(void) -{ - int i; - - for (i=0; i<MAXPLAYERS; ++i) - { - if (playeringame[i]) - { - return true; - } - } - - return false; -} - -static int GetLowTic(void) -{ - int i; - int lowtic; - -#ifdef FEATURE_MULTIPLAYER - if (net_client_connected) - { - lowtic = INT_MAX; - - for (i=0; i<MAXPLAYERS; ++i) - { - if (playeringame[i]) - { - if (nettics[i] < lowtic) - lowtic = nettics[i]; - } - } - } - else -#endif - { - lowtic = maketic; - } - - return lowtic; -} - -// -// TryRunTics -// -int oldnettics; -int frametics[4]; -int frameon; -int frameskip[4]; -int oldnettics; - -extern boolean advancedemo; - -void TryRunTics (void) -{ - int i; - int lowtic; - int entertic; - static int oldentertics; - int realtics; - int availabletics; - int counts; - - // get real tics - entertic = I_GetTime() / ticdup; - realtics = entertic - oldentertics; - oldentertics = entertic; - - // get available tics - NetUpdate (); - - lowtic = GetLowTic(); - - availabletics = lowtic - gametic/ticdup; - - // decide how many tics to run - - if (net_cl_new_sync) - { - counts = availabletics; - } - else - { - // decide how many tics to run - if (realtics < availabletics-1) - counts = realtics+1; - else if (realtics < availabletics) - counts = realtics; - else - counts = availabletics; - - if (counts < 1) - counts = 1; - - frameon++; - - if (!demoplayback) - { - int keyplayer = -1; - - // ideally maketic should be 1 - 3 tics above lowtic - // if we are consistantly slower, speed up time - - for (i=0 ; i<MAXPLAYERS ; i++) - { - if (playeringame[i]) - { - keyplayer = i; - break; - } - } - - if (keyplayer < 0) - { - // If there are no players, we can never advance anyway - - return; - } - - if (consoleplayer == keyplayer) - { - // the key player does not adapt - } - else - { - if (maketic <= nettics[keyplayer]) - { - lasttime--; - // printf ("-"); - } - - frameskip[frameon & 3] = (oldnettics > nettics[keyplayer]); - oldnettics = maketic; - - if (frameskip[0] && frameskip[1] && frameskip[2] && frameskip[3]) - { - skiptics = 1; - // printf ("+"); - } - } - } - } - - if (counts < 1) - counts = 1; - - // wait for new tics if needed - - while (!PlayersInGame() || lowtic < gametic/ticdup + counts) - { - NetUpdate (); - - lowtic = GetLowTic(); - - if (lowtic < gametic/ticdup) - I_Error ("TryRunTics: lowtic < gametic"); - - // Don't stay in this loop forever. The menu is still running, - // so return to update the screen - - if (I_GetTime() / ticdup - entertic > 0) - { - return; - } - - I_Sleep(1); - } - - // run the count * ticdup dics - while (counts--) - { - for (i=0 ; i<ticdup ; i++) - { - // check that there are players in the game. if not, we cannot - // run a tic. - - if (!PlayersInGame()) - { - return; - } - - if (gametic/ticdup > lowtic) - I_Error ("gametic>lowtic"); - if (advancedemo) - D_DoAdvanceDemo (); - - G_Ticker (); - gametic++; - - // modify command for duplicated tics - if (i != ticdup-1) - { - ticcmd_t *cmd; - int buf; - int j; - - buf = (gametic/ticdup)%BACKUPTICS; - for (j=0 ; j<MAXPLAYERS ; j++) - { - cmd = &netcmds[j][buf]; - cmd->chatchar = 0; - if (cmd->buttons & BT_SPECIAL) - cmd->buttons = 0; - } - } - } - NetUpdate (); // check for new console commands - } -} - |