ref: de3a8f767826d1aeb887da5e24140cd29790abf4
parent: cb142afe2e4bfa756249cd0e7e17ddd3ec820a87
author: Simon Howard <[email protected]>
date: Thu Oct 13 16:07:52 EDT 2011
Convert Heretic code to use common main loop code. Working multiplayer! Subversion-branch: /branches/v2-branch Subversion-revision: 2417
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -155,9 +155,13 @@
@PROGRAM_PREFIX@doom_LDADD = doom/libdoom.a $(EXTRA_LIBS)
if HAVE_WINDRES
-@PROGRAM_PREFIX@heretic_SOURCES=$(SOURCE_FILES_WITH_DEH) resource.rc
+@PROGRAM_PREFIX@heretic_SOURCES=$(SOURCE_FILES_WITH_DEH) resource.rc \
+ d_loop.c d_loop.h \
+ $(FEATURE_MULTIPLAYER_SOURCE_FILES)
else
-@PROGRAM_PREFIX@heretic_SOURCES=$(SOURCE_FILES_WITH_DEH)
+@PROGRAM_PREFIX@heretic_SOURCES=$(SOURCE_FILES_WITH_DEH) \
+ d_loop.c d_loop.h \
+ $(FEATURE_MULTIPLAYER_SOURCE_FILES)
endif
@PROGRAM_PREFIX@heretic_LDADD = heretic/libheretic.a $(EXTRA_LIBS)
--- a/src/heretic/d_main.c
+++ b/src/heretic/d_main.c
@@ -27,9 +27,13 @@
#include <stdio.h>
#include <stdlib.h>
+#include "doomfeatures.h"
+
#include "txt_main.h"
#include "txt_io.h"
+#include "net_client.h"
+
#include "config.h"
#include "ct_chat.h"
#include "doomdef.h"
@@ -80,9 +84,6 @@
static int show_endoom = 1;
void D_CheckNetGame(void);
-void D_ProcessEvents(void);
-void G_BuildTiccmd(ticcmd_t * cmd);
-void D_DoAdvanceDemo(void);
void D_PageDrawer(void);
void D_AdvanceDemo(void);
void F_Drawer(void);
@@ -254,22 +255,8 @@
I_StartFrame();
// Process one or more tics
- if (singletics)
- {- I_StartTic();
- D_ProcessEvents();
- G_BuildTiccmd(&netcmds[consoleplayer][maketic % BACKUPTICS]);
- if (advancedemo)
- D_DoAdvanceDemo();
- G_Ticker();
- gametic++;
- maketic++;
- }
- else
- {- // Will run at least one tic
- TryRunTics();
- }
+ // Will run at least one tic
+ TryRunTics();
// Move positional sounds
S_UpdateSounds(players[consoleplayer].mo);
@@ -976,6 +963,11 @@
tprintf(DEH_String("MN_Init: Init menu system.\n"), 1);MN_Init();
+
+#ifdef FEATURE_MULTIPLAYER
+ tprintf ("NET_Init: Init network subsystem.\n", 1);+ NET_Init ();
+#endif
CT_Init();
--- a/src/heretic/d_net.c
+++ b/src/heretic/d_net.c
@@ -2,8 +2,7 @@
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
-// Copyright(C) 1993-2008 Raven Software
-// Copyright(C) 2008 Simon Howard
+// 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
@@ -20,829 +19,212 @@
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
+// DESCRIPTION:
+// DOOM Network game communication and protocol,
+// all OS independend parts.
+//
//-----------------------------------------------------------------------------
-// d_net.c
-// This version has the fixed ticdup code
-
#include <stdlib.h>
-#include "doomdef.h"
-#include "doomkeys.h"
+#include "doomfeatures.h"
+#include "m_argv.h"
#include "i_system.h"
#include "i_timer.h"
#include "i_video.h"
+#include "doomdef.h"
-#define NCMD_EXIT 0x80000000
-#define NCMD_RETRANSMIT 0x40000000
-#define NCMD_SETUP 0x20000000
-#define NCMD_KILL 0x10000000 // kill game
-#define NCMD_CHECKSUM 0x0fffffff
+#include "deh_main.h"
+#include "d_loop.h"
-doomcom_t *doomcom;
-doomdata_t *netbuffer; // points inside doomcom
+ticcmd_t *netcmds;
+extern void D_DoAdvanceDemo(void);
+extern void D_ProcessEvents(void);
+extern void G_BuildTiccmd(ticcmd_t *cmd, int maketic);
+extern boolean G_CheckDemoStatus(void);
-/*
-==============================================================================
+// Called when a player leaves the game
- 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
-
-==============================================================================
-*/
-
-#define RESENDCOUNT 10
-#define PL_DRONE 0x80 // bit flag in doomdata->player
-
-ticcmd_t localcmds[BACKUPTICS];
-
-ticcmd_t netcmds[MAXPLAYERS][BACKUPTICS];
-int nettics[MAXNETNODES];
-boolean nodeingame[MAXNETNODES]; // set false as nodes leave game
-boolean remoteresend[MAXNETNODES]; // set when local needs tics
-int resendto[MAXNETNODES]; // set when remote needs tics
-int resendcount[MAXNETNODES];
-
-int nodeforplayer[MAXPLAYERS];
-
-int maketic;
-int lastnettic, skiptics;
-int ticdup;
-int maxsend; // BACKUPTICS/(2*ticdup)-1
-
-void D_ProcessEvents(void);
-void G_BuildTiccmd(ticcmd_t * cmd);
-void D_DoAdvanceDemo(void);
-
-boolean reboundpacket;
-doomdata_t reboundstore;
-
-
-int NetbufferSize(void)
+static void PlayerQuitGame(player_t *player)
{- return (int) &(((doomdata_t *) 0)->cmds[netbuffer->numtics]);
-}
+ static char exitmsg[80];
+ unsigned int player_num;
-unsigned NetbufferChecksum(void)
-{- unsigned c;
- int i, l;
+ player_num = player - players;
- c = 0x1234567;
+ // Do this the same way as Vanilla Doom does, to allow dehacked
+ // replacements of this message
-#if defined(NeXT) || defined(NORMALUNIX)
- return 0; // byte order problems
-#endif
+ strncpy(exitmsg, DEH_String("Player 1 left the game"), sizeof(exitmsg));+ exitmsg[sizeof(exitmsg) - 1] = '\0';
- l = (NetbufferSize() - (int) &(((doomdata_t *) 0)->retransmitfrom)) / 4;
- for (i = 0; i < l; i++)
- c += ((unsigned *) &netbuffer->retransmitfrom)[i] * (i + 1);
+ exitmsg[7] += player_num;
- return c & NCMD_CHECKSUM;
-}
+ playeringame[player_num] = false;
+ players[consoleplayer].message = exitmsg;
-int ExpandTics(int low)
-{- int delta;
+ // TODO: check if it is sensible to do this:
- delta = low - (maketic & 0xff);
-
- if (delta >= -64 && delta <= 64)
- return (maketic & ~0xff) + low;
- if (delta > 64)
- return (maketic & ~0xff) - 256 + low;
- if (delta < -64)
- return (maketic & ~0xff) + 256 + low;
-
- I_Error("ExpandTics: strange value %i at maketic %i", low, maketic);- return 0;
-}
-
-
-//============================================================================
-
-
-/*
-==============
-=
-= HSendPacket
-=
-==============
-*/
-
-void HSendPacket(int node, int flags)
-{- netbuffer->checksum = NetbufferChecksum() | flags;
-
- if (!node)
+ if (demorecording)
{- reboundstore = *netbuffer;
- reboundpacket = true;
- return;
+ G_CheckDemoStatus ();
}
-
- if (demoplayback)
- return;
-
- if (!netgame)
- I_Error("Tried to transmit to another node");-
- doomcom->command = CMD_SEND;
- doomcom->remotenode = node;
- doomcom->datalength = NetbufferSize();
-
- if (debugfile)
- {- int i;
- int realretrans;
- if (netbuffer->checksum & NCMD_RETRANSMIT)
- realretrans = ExpandTics(netbuffer->retransmitfrom);
- else
- realretrans = -1;
- fprintf(debugfile, "send (%i + %i, R %i) [%i] ",
- ExpandTics(netbuffer->starttic), netbuffer->numtics,
- realretrans, doomcom->datalength);
- for (i = 0; i < doomcom->datalength; i++)
- fprintf(debugfile, "%i ", ((byte *) netbuffer)[i]);
- fprintf(debugfile, "\n");
- }
-
-#ifdef I_NET
- I_NetCmd();
-#endif
}
-/*
-==============
-=
-= HGetPacket
-=
-= Returns false if no packet is waiting
-=
-==============
-*/
-
-boolean HGetPacket(void)
+static void RunTic(ticcmd_t *cmds, boolean *ingame)
{- if (reboundpacket)
- {- *netbuffer = reboundstore;
- doomcom->remotenode = 0;
- reboundpacket = false;
- return true;
- }
+ extern boolean advancedemo;
+ unsigned int i;
- if (!netgame)
- return false;
- if (demoplayback)
- return false;
+ // Check for player quits.
- doomcom->command = CMD_GET;
-#ifdef I_NET
- I_NetCmd();
-#endif
- if (doomcom->remotenode == -1)
- return false;
-
- if (doomcom->datalength != NetbufferSize())
+ for (i = 0; i < MAXPLAYERS; ++i)
{- if (debugfile)
- fprintf(debugfile, "bad packet length %i\n", doomcom->datalength);
- return false;
- }
-
- if (NetbufferChecksum() != (netbuffer->checksum & NCMD_CHECKSUM))
- {- if (debugfile)
- fprintf(debugfile, "bad packet checksum\n");
- return false;
- }
-
- if (debugfile)
- {- int realretrans;
- int i;
-
- if (netbuffer->checksum & NCMD_SETUP)
- fprintf(debugfile, "setup packet\n");
- else
+ if (playeringame[i] && !ingame[i])
{- if (netbuffer->checksum & NCMD_RETRANSMIT)
- realretrans = ExpandTics(netbuffer->retransmitfrom);
- else
- realretrans = -1;
- fprintf(debugfile, "get %i = (%i + %i, R %i)[%i] ",
- doomcom->remotenode, ExpandTics(netbuffer->starttic),
- netbuffer->numtics, realretrans, doomcom->datalength);
- for (i = 0; i < doomcom->datalength; i++)
- fprintf(debugfile, "%i ", ((byte *) netbuffer)[i]);
- fprintf(debugfile, "\n");
+ PlayerQuitGame(&players[i]);
}
}
- return true;
-}
+ netcmds = cmds;
-/*
-===================
-=
-= GetPackets
-=
-===================
-*/
+ // check that there are players in the game. if not, we cannot
+ // run a tic.
-char exitmsg[80];
+ if (advancedemo)
+ D_DoAdvanceDemo ();
-void GetPackets(void)
-{- int netconsole;
- int netnode;
- ticcmd_t *src, *dest;
- int realend;
- int realstart;
-
- while (HGetPacket())
- {- if (netbuffer->checksum & NCMD_SETUP)
- continue; // extra setup packet
-
- netconsole = netbuffer->player & ~PL_DRONE;
- netnode = doomcom->remotenode;
- //
- // to save bytes, only the low byte of tic numbers are sent
- // Figure out what the rest of the bytes are
- //
- realstart = ExpandTics(netbuffer->starttic);
- realend = (realstart + netbuffer->numtics);
-
- //
- // check for exiting the game
- //
- if (netbuffer->checksum & NCMD_EXIT)
- {- if (!nodeingame[netnode])
- continue;
- nodeingame[netnode] = false;
- playeringame[netconsole] = false;
- strcpy(exitmsg, "PLAYER 1 LEFT THE GAME");
- exitmsg[7] += netconsole;
- players[consoleplayer].message = exitmsg;
-// if (demorecording)
-// G_CheckDemoStatus ();
- continue;
- }
-
- //
- // check for a remote game kill
- //
- if (netbuffer->checksum & NCMD_KILL)
- I_Error("Killed by network driver");-
- nodeforplayer[netconsole] = netnode;
-
- //
- // check for retransmit request
- //
- if (resendcount[netnode] <= 0
- && (netbuffer->checksum & NCMD_RETRANSMIT))
- {- resendto[netnode] = ExpandTics(netbuffer->retransmitfrom);
- if (debugfile)
- fprintf(debugfile, "retransmit from %i\n", resendto[netnode]);
- resendcount[netnode] = RESENDCOUNT;
- }
- else
- resendcount[netnode]--;
-
- //
- // check for out of order / duplicated packet
- //
- if (realend == nettics[netnode])
- continue;
-
- if (realend < nettics[netnode])
- {- if (debugfile)
- fprintf(debugfile, "out of order packet (%i + %i)\n",
- realstart, netbuffer->numtics);
- continue;
- }
-
- //
- // check for a missed packet
- //
- if (realstart > nettics[netnode])
- {- // stop processing until the other system resends the missed tics
- if (debugfile)
- fprintf(debugfile, "missed tics from %i (%i - %i)\n", netnode,
- realstart, nettics[netnode]);
- remoteresend[netnode] = true;
- continue;
- }
-
-//
-// update command store from the packet
-//
- {- int start;
-
- remoteresend[netnode] = false;
-
- start = nettics[netnode] - realstart;
- src = &netbuffer->cmds[start];
-
- while (nettics[netnode] < realend)
- {- dest = &netcmds[netconsole][nettics[netnode] % BACKUPTICS];
- nettics[netnode]++;
- *dest = *src;
- src++;
- }
- }
- }
-
+ G_Ticker ();
}
-/*
-=============
-=
-= NetUpdate
-=
-= Builds ticcmds for console player
-= sends out a packet
-=============
-*/
+static loop_interface_t doom_loop_interface = {+ D_ProcessEvents,
+ G_BuildTiccmd,
+ RunTic,
+ MN_Ticker
+};
-int gametime;
-void NetUpdate(void)
+// Load game settings from the specified structure and
+// set global variables.
+
+static void LoadGameSettings(net_gamesettings_t *settings,
+ net_connect_data_t *connect_data)
{- int nowtime;
- int newtics;
- int i, j;
- int realstart;
- int gameticdiv;
+ unsigned int i;
-//
-// check time
-//
- nowtime = I_GetTime() / ticdup;
- newtics = nowtime - gametime;
- gametime = nowtime;
+ deathmatch = settings->deathmatch;
+ ticdup = settings->ticdup;
+ startepisode = settings->episode;
+ startmap = settings->map;
+ startskill = settings->skill;
+ // TODO startloadgame = settings->loadgame;
+ nomonsters = settings->nomonsters;
+ respawnparm = settings->respawn_monsters;
- if (newtics <= 0) // nothing new to update
- goto listen;
-
- if (skiptics <= newtics)
+ if (!connect_data->drone)
{- newtics -= skiptics;
- skiptics = 0;
+ consoleplayer = settings->consoleplayer;
}
else
{- skiptics -= newtics;
- newtics = 0;
+ consoleplayer = 0;
}
-
-
- netbuffer->player = consoleplayer;
-
-//
-// build new ticcmds for console player
-//
- gameticdiv = gametic / ticdup;
- for (i = 0; i < newtics; i++)
+
+ for (i=0; i<MAXPLAYERS; ++i)
{- I_StartTic();
- D_ProcessEvents();
- if (maketic - gameticdiv >= BACKUPTICS / 2 - 1)
- break; // can't hold any more
-//printf ("mk:%i ",maketic);- G_BuildTiccmd(&localcmds[maketic % BACKUPTICS]);
- maketic++;
+ playeringame[i] = i < settings->num_players;
}
-
-
- if (singletics)
- return; // singletic update is syncronous
-
-//
-// send the packet to the other nodes
-//
- for (i = 0; i < doomcom->numnodes; i++)
- if (nodeingame[i])
- {- netbuffer->starttic = realstart = resendto[i];
- netbuffer->numtics = maketic - realstart;
- if (netbuffer->numtics > BACKUPTICS)
- I_Error("NetUpdate: netbuffer->numtics > BACKUPTICS");-
- resendto[i] = maketic - doomcom->extratics;
-
- for (j = 0; j < netbuffer->numtics; j++)
- netbuffer->cmds[j] = localcmds[(realstart + j) % BACKUPTICS];
-
- if (remoteresend[i])
- {- netbuffer->retransmitfrom = nettics[i];
- HSendPacket(i, NCMD_RETRANSMIT);
- }
- else
- {- netbuffer->retransmitfrom = 0;
- HSendPacket(i, 0);
- }
- }
-
-//
-// listen for other packets
-//
- listen:
-
- GetPackets();
}
+// Save the game settings from global variables to the specified
+// game settings structure.
-/*
-=====================
-=
-= CheckAbort
-=
-=====================
-*/
-
-void CheckAbort(void)
+static void SaveGameSettings(net_gamesettings_t *settings,
+ net_connect_data_t *connect_data)
{- event_t *ev;
- int stoptic;
+ // Fill in game settings structure with appropriate parameters
+ // for the new game
- stoptic = I_GetTime() + 2;
- while (I_GetTime() < stoptic)
- I_StartTic();
+ settings->deathmatch = deathmatch;
+ settings->episode = startepisode;
+ settings->map = startmap;
+ settings->skill = startskill;
+ // TODO settings->loadgame = startloadgame;
+ settings->gameversion = exe_heretic_1_3;
+ settings->nomonsters = nomonsters;
+ settings->respawn_monsters = respawnparm;
+ settings->timelimit = 0;
- I_StartTic();
+ settings->lowres_turn = false;
- while ((ev = D_PopEvent()) != NULL)
- {- if (ev->type == ev_keydown && ev->data1 == KEY_ESCAPE)
- I_Error("Network game synchronization aborted.");- }
-}
+ connect_data->drone = false;
-/*
-=====================
-=
-= D_ArbitrateNetStart
-=
-=====================
-*/
+ //
+ // Connect data
+ //
-void D_ArbitrateNetStart(void)
-{- int i;
- boolean gotinfo[MAXNETNODES];
+ // Game type fields:
- autostart = true;
- memset(gotinfo, 0, sizeof(gotinfo));
+ connect_data->gamemode = gamemode;
+ connect_data->gamemission = gamemission;
- if (doomcom->consoleplayer)
- { // listen for setup info from key player-// mprintf ("listening for network start info...\n");- while (1)
- {- CheckAbort();
- if (!HGetPacket())
- continue;
- if (netbuffer->checksum & NCMD_SETUP)
- {- if (netbuffer->player != HERETIC_VERSION)
- I_Error
- ("Different DOOM versions cannot play a net game!");- startskill = netbuffer->retransmitfrom & 15;
- deathmatch = (netbuffer->retransmitfrom & 0xc0) >> 6;
- nomonsters = (netbuffer->retransmitfrom & 0x20) > 0;
- respawnparm = (netbuffer->retransmitfrom & 0x10) > 0;
- //startmap = netbuffer->starttic & 0x3f;
- //startepisode = netbuffer->starttic >> 6;
- startmap = netbuffer->starttic & 15;
- startepisode = netbuffer->starttic >> 4;
- return;
- }
- }
- }
- else
- { // key player, send the setup info-// mprintf ("sending network start info...\n");- do
- {- CheckAbort();
- for (i = 0; i < doomcom->numnodes; i++)
- {- netbuffer->retransmitfrom = startskill;
- if (deathmatch)
- netbuffer->retransmitfrom |= (deathmatch << 6);
- if (nomonsters)
- netbuffer->retransmitfrom |= 0x20;
- if (respawnparm)
- netbuffer->retransmitfrom |= 0x10;
- //netbuffer->starttic = startepisode * 64 + startmap;
- netbuffer->starttic = (startepisode << 4) + startmap;
- netbuffer->player = HERETIC_VERSION;
- netbuffer->numtics = 0;
- HSendPacket(i, NCMD_SETUP);
- }
-
-#if 1
- for (i = 10; i && HGetPacket(); --i)
- {- if ((netbuffer->player & 0x7f) < MAXNETNODES)
- gotinfo[netbuffer->player & 0x7f] = true;
- }
-#else
- while (HGetPacket())
- {- gotinfo[netbuffer->player & 0x7f] = true;
- }
-#endif
-
- for (i = 1; i < doomcom->numnodes; i++)
- if (!gotinfo[i])
- break;
- }
- while (i < doomcom->numnodes);
- }
+ connect_data->lowres_turn = false;
}
-/*
-====================
-=
-= I_InitNetwork
-=
-====================
-*/
-
-static void I_InitNetwork(void)
+void D_InitSinglePlayerGame(net_gamesettings_t *settings)
{- doomcom = malloc(sizeof(*doomcom));
- memset(doomcom, 0, sizeof(*doomcom));
- netgame = false;
- doomcom->id = DOOMCOM_ID;
- doomcom->numplayers = 1;
- doomcom->numnodes = 1;
- doomcom->deathmatch = false;
- doomcom->consoleplayer = 0;
- doomcom->ticdup = 1;
- doomcom->extratics = 0;
-}
+ // default values for single player
-/*
-===================
-=
-= D_CheckNetGame
-=
-= Works out player numbers among the net participants
-===================
-*/
+ settings->consoleplayer = 0;
+ settings->num_players = 1;
-extern int viewangleoffset;
+ netgame = false;
-void D_CheckNetGame(void)
-{- int i;
+ //!
+ // @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.
+ //
- for (i = 0; i < MAXNETNODES; i++)
+ if (M_CheckParm("-solo-net") > 0) {- nodeingame[i] = false;
- nettics[i] = 0;
- remoteresend[i] = false; // set when local needs tics
- resendto[i] = 0; // which tic to start sending
+ netgame = true;
}
-
-// I_InitNetwork sets doomcom and netgame
- I_InitNetwork();
- if (doomcom->id != DOOMCOM_ID)
- I_Error("Doomcom buffer invalid!");- netbuffer = &doomcom->data;
- consoleplayer = displayplayer = doomcom->consoleplayer;
- if (netgame)
- D_ArbitrateNetStart();
-//printf ("startskill %i deathmatch: %i startmap: %i startepisode: %i\n", startskill, deathmatch, startmap, startepisode);-
-// read values out of doomcom
- ticdup = doomcom->ticdup;
- maxsend = BACKUPTICS / (2 * ticdup) - 1;
- if (maxsend < 1)
- maxsend = 1;
-
- for (i = 0; i < doomcom->numplayers; i++)
- playeringame[i] = true;
- for (i = 0; i < doomcom->numnodes; i++)
- nodeingame[i] = true;
-
-//printf ("player %i of %i (%i nodes)\n", consoleplayer+1, doomcom->numplayers, doomcom->numnodes);-
}
-/*
-==================
-=
-= D_QuitNetGame
-=
-= Called before quitting to leave a net game without hanging the
-= other players
-=
-==================
-*/
-
-void D_QuitNetGame(void)
-{- int i, j;
-
- if (debugfile)
- fclose(debugfile);
-
- if (!netgame || !usergame || consoleplayer == -1 || demoplayback)
- return;
-
-// send a bunch of packets for security
- netbuffer->player = consoleplayer;
- netbuffer->numtics = 0;
- for (i = 0; i < 4; i++)
- {- for (j = 1; j < doomcom->numnodes; j++)
- if (nodeingame[j])
- HSendPacket(j, NCMD_EXIT);
- I_WaitVBL(1);
- }
-}
-
-
-
-/*
-===============
-=
-= TryRunTics
-=
-===============
-*/
-
-int frametics[4], frameon;
-int frameskip[4];
-int oldnettics;
-extern boolean advancedemo;
-
-void TryRunTics(void)
-{- int i;
- int lowtic;
- int entertic;
- static int oldentertics;
- int realtics, availabletics;
- int counts;
- int numplaying;
-
//
-// get real tics
+// D_CheckNetGame
+// Works out player numbers among the net participants
//
- entertic = I_GetTime() / ticdup;
- realtics = entertic - oldentertics;
- oldentertics = entertic;
-//
-// get available tics
-//
- NetUpdate();
+void D_CheckNetGame (void)
+{+ net_connect_data_t connect_data;
+ net_gamesettings_t settings;
- lowtic = INT_MAX;
- numplaying = 0;
- for (i = 0; i < doomcom->numnodes; i++)
- if (nodeingame[i])
- {- numplaying++;
- if (nettics[i] < lowtic)
- lowtic = nettics[i];
- }
- availabletics = lowtic - gametic / ticdup;
+ D_RegisterLoopCallbacks(&doom_loop_interface);
+ // Call D_QuitNetGame on exit
-//
-// 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;
+ I_AtExit(D_QuitNetGame, true);
- frameon++;
+ SaveGameSettings(&settings, &connect_data);
- if (debugfile)
- fprintf(debugfile, "=======real: %i avail: %i game: %i\n", realtics,
- availabletics, counts);
-
- if (!demoplayback)
+ if (D_InitNetGame(&connect_data, &settings))
{- //=============================================================================
- //
- // ideally nettics[0] should be 1 - 3 tics above lowtic
- // if we are consistantly slower, speed up time
- //
- for (i = 0; i < MAXPLAYERS; i++)
- if (playeringame[i])
- break;
- if (consoleplayer == i)
- { // the key player does not adapt- }
- else
- {- if (nettics[0] <= nettics[nodeforplayer[i]])
- {- gametime--;
- // printf ("-");- }
- frameskip[frameon & 3] = (oldnettics > nettics[nodeforplayer[i]]);
- oldnettics = nettics[0];
- if (frameskip[0] && frameskip[1] && frameskip[2] && frameskip[3])
- {- skiptics = 1;
- // printf ("+");- }
- }
- //=============================================================================
- } // demoplayback
-
- //
- // wait for new tics if needed
- //
- while (lowtic < gametic / ticdup + counts)
- {-
- NetUpdate();
- lowtic = INT_MAX;
-
- for (i = 0; i < doomcom->numnodes; i++)
- if (nodeingame[i] && nettics[i] < lowtic)
- lowtic = nettics[i];
-
- if (lowtic < gametic / ticdup)
- I_Error("TryRunTics: lowtic < gametic");-
- // don't stay in here forever -- give the menu a chance to work
- if (I_GetTime() / ticdup - entertic >= 20)
- {- MN_Ticker();
- return;
- }
-
- // Don't hog the CPU
- I_Sleep(1);
+ netgame = true;
+ autostart = true;
}
-
-//
-// run the count * ticdup dics
-//
- while (counts--)
+ else
{- for (i = 0; i < ticdup; i++)
- {- if (gametic / ticdup > lowtic)
- I_Error("gametic>lowtic");- if (advancedemo)
- D_DoAdvanceDemo();
- MN_Ticker();
- 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
+ D_InitSinglePlayerGame(&settings);
}
+
+ LoadGameSettings(&settings, &connect_data);
}
--- a/src/heretic/doomdef.h
+++ b/src/heretic/doomdef.h
@@ -65,6 +65,8 @@
// ticcmd_t
#include "d_ticcmd.h"
+#include "d_loop.h"
+
#define SAVEGAMENAME "hticsav"
/*
@@ -479,58 +481,6 @@
#define CF_GODMODE 2
#define CF_NOMOMENTUM 4 // not really a cheat, just a debug aid
-
-#define BACKUPTICS 12 // CHANGED FROM 12 !?!?
-
-typedef struct
-{- unsigned checksum; // high bit is retransmit request
- byte retransmitfrom; // only valid if NCMD_RETRANSMIT
- byte starttic;
- byte player, numtics;
- ticcmd_t cmds[BACKUPTICS];
-} doomdata_t;
-
-typedef struct
-{- int id;
- short intnum; // DOOM executes an int to execute commands
-
-// communication between DOOM and the driver
- short command; // CMD_SEND or CMD_GET
- short remotenode; // dest for send, set by get (-1 = no packet)
- short datalength; // bytes in doomdata to be sent
-
-// info common to all nodes
- short numnodes; // console is allways node 0
- short ticdup; // 1 = no duplication, 2-5 = dup for slow nets
- short extratics; // 1 = send a backup tic in every packet
- short deathmatch; // 1 = deathmatch
- short savegame; // -1 = new game, 0-5 = load savegame
- short episode; // 1-3
- short map; // 1-9
- short skill; // 1-5
-
-// info specific to this node
- short consoleplayer;
- short numplayers;
- short angleoffset; // 1 = left, 0 = center, -1 = right
- short drone; // 1 = drone
-
-// packet data to be sent
- doomdata_t data;
-} doomcom_t;
-
-#define DOOMCOM_ID 0x12345678l
-
-extern doomcom_t *doomcom;
-extern doomdata_t *netbuffer; // points inside doomcom
-
-#define MAXNETNODES 8 // max computers in a game
-
-#define CMD_SEND 1
-#define CMD_GET 2
-
#define SBARHEIGHT 42 // status bar height at bottom of screen
@@ -588,6 +538,7 @@
extern int maxammo[NUMAMMO];
extern int GetWeaponAmmo[NUMWEAPONS];
+extern boolean demorecording;
extern boolean demoplayback;
extern int skytexture;
@@ -601,13 +552,7 @@
extern int levelstarttic; // gametic at level start
extern int leveltime; // tics in game play for par
-extern ticcmd_t netcmds[MAXPLAYERS][BACKUPTICS];
-extern int ticdup;
-
-#define MAXNETNODES 8
-extern ticcmd_t localcmds[BACKUPTICS];
-extern int gametic, maketic;
-extern int nettics[MAXNETNODES];
+extern ticcmd_t *netcmds;
#define SAVEGAMESIZE 0x30000
#define SAVESTRINGSIZE 24
--- a/src/heretic/g_game.c
+++ b/src/heretic/g_game.c
@@ -132,7 +132,8 @@
boolean precache = true; // if true, load all graphics at start
-short consistancy[MAXPLAYERS][BACKUPTICS];
+// TODO: Heretic uses 16-bit shorts for consistency?
+byte consistancy[MAXPLAYERS][BACKUPTICS];
char *savegamedir;
byte *savebuffer, *save_p;
@@ -226,7 +227,7 @@
boolean usearti = true;
-void G_BuildTiccmd(ticcmd_t * cmd)
+void G_BuildTiccmd(ticcmd_t *cmd, int maketic)
{int i;
boolean strafe, bstrafe;
@@ -836,7 +837,7 @@
{cmd = &players[i].cmd;
- memcpy(cmd, &netcmds[i][buf], sizeof(ticcmd_t));
+ memcpy(cmd, &netcmds[i], sizeof(ticcmd_t));
if (demoplayback)
G_ReadDemoTiccmd(cmd);