forked from len0rd/rockbox
47f4a458d6
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9312 a1c6a512-1295-4272-9138-f99709370657
149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
/* Emacs style mode select -*- C++ -*-
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*-----------------------------------------------------------------------------
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*
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*
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* PrBoom a Doom port merged with LxDoom and LSDLDoom
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* based on BOOM, a modified and improved DOOM engine
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* Copyright (C) 1999 by
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* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
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* Copyright (C) 1999-2000 by
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* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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* DESCRIPTION:
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* Network client. Passes information to/from server, staying
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* synchronised.
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* Contains the main wait loop, waiting for network input or
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* time before doing the next tic.
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* Rewritten for LxDoom, but based around bits of the old code.
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*
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*-----------------------------------------------------------------------------
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*/
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#include "m_menu.h"
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#include "i_system.h"
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#include "i_video.h"
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#include "i_sound.h"
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#include "g_game.h"
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#include "doomdef.h"
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#include "doomstat.h"
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#include "rockmacros.h"
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#define NCMD_EXIT 0x80000000
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#define NCMD_RETRANSMIT 0x40000000
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#define NCMD_SETUP 0x20000000
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#define NCMD_KILL 0x10000000 // kill game
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#define NCMD_CHECKSUM 0x0fffffff
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doomcom_t* doomcom;
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static boolean server=0;
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static int remotetic; // Tic expected from the remote
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static int remotesend; // Tic expected by the remote
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//
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// NETWORKING
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//
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// gametic is the tic about to (or currently being) run
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// maketic is the tick that hasn't had control made for it yet
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// nettics[] has the maketics for all players
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//
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// a gametic cannot be run until nettics[] > gametic for all players
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//
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static ticcmd_t* localcmds;
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ticcmd_t netcmds[MAXPLAYERS][BACKUPTICS];
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int maketic;
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int ticdup=1;
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void G_BuildTiccmd (ticcmd_t *cmd);
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void D_DoAdvanceDemo (void);
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void D_InitNetGame (void)
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{
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int i;
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doomcom = Z_Malloc(sizeof *doomcom, PU_STATIC, NULL);
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doomcom->consoleplayer = 0;
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doomcom->numnodes = 0; doomcom->numplayers = 1;
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localcmds = netcmds[consoleplayer];
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for (i=0; i<doomcom->numplayers; i++)
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playeringame[i] = true;
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for (; i<MAXPLAYERS; i++)
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playeringame[i] = false;
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consoleplayer = displayplayer = doomcom->consoleplayer;
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}
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void D_BuildNewTiccmds()
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{
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static int lastmadetic;
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int newtics = I_GetTime() - lastmadetic;
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lastmadetic += newtics;
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while (newtics--)
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{
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I_StartTic();
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if (maketic - gametic > BACKUPTICS/2) break;
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G_BuildTiccmd(&localcmds[maketic%BACKUPTICS]);
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maketic++;
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}
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}
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//
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// TryRunTics
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//
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extern boolean advancedemo;
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void TryRunTics (void)
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{
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int runtics;
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int entertime = I_GetTime();
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// Wait for tics to run
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while (1) {
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D_BuildNewTiccmds();
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runtics = (server ? remotetic : maketic) - gametic;
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if (!runtics) {
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// if (server) I_WaitForPacket(ms_to_next_tick);
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// else I_uSleep(ms_to_next_tick*1000);
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// rb->sleep(ms_to_next_tick);
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if (I_GetTime() - entertime > 10) {
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remotesend--;
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// {
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// char buf[sizeof(packet_header_t)+1];
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// packet_set((packet_header_t *)buf, PKT_RETRANS, remotetic);
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// buf[sizeof(buf)-1] = consoleplayer;
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// I_SendPacket((packet_header_t *)buf, sizeof buf);
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// }
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M_Ticker(); return;
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}
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} else break;
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}
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while (runtics--) {
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if (advancedemo)
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D_DoAdvanceDemo ();
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M_Ticker ();
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G_Ticker ();
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gametic++;
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}
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}
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