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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
*
* 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.
*
*-----------------------------------------------------------------------------
*/
#include "m_menu.h"
#include "i_system.h"
#include "i_video.h"
#include "i_sound.h"
#include "g_game.h"
#include "doomdef.h"
#include "doomstat.h"
#include "rockmacros.h"
#define NCMD_EXIT 0x80000000
#define NCMD_RETRANSMIT 0x40000000
#define NCMD_SETUP 0x20000000
#define NCMD_KILL 0x10000000 // kill game
#define NCMD_CHECKSUM 0x0fffffff
doomcom_t* doomcom;
static boolean server=0;
static int remotetic; // Tic expected from the remote
static int remotesend; // Tic expected by the remote
//
// 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
//
static ticcmd_t* localcmds;
ticcmd_t netcmds[MAXPLAYERS][BACKUPTICS];
int maketic;
int ticdup=1;
void G_BuildTiccmd (ticcmd_t *cmd);
void D_DoAdvanceDemo (void);
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];
for (i=0; i<doomcom->numplayers; i++)
playeringame[i] = true;
for (; i<MAXPLAYERS; i++)
playeringame[i] = false;
consoleplayer = displayplayer = doomcom->consoleplayer;
}
void D_BuildNewTiccmds()
{
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++;
}
}
//
// TryRunTics
//
extern boolean advancedemo;
void TryRunTics (void)
{
int runtics;
int entertime = I_GetTime();
// Wait for tics to run
while (1) {
D_BuildNewTiccmds();
runtics = (server ? remotetic : maketic) - gametic;
if (!runtics) {
// if (server) I_WaitForPacket(ms_to_next_tick);
// else I_uSleep(ms_to_next_tick*1000);
// rb->sleep(ms_to_next_tick);
if (I_GetTime() - entertime > 10) {
remotesend--;
// {
// 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--) {
if (advancedemo)
D_DoAdvanceDemo ();
M_Ticker ();
G_Ticker ();
gametic++;
}
}
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