ref: be2a2fb2dcef2423a4d140a7e4198ba30848a2b1
dir: /src/d_main.c/
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: d_main.c 336 2006-01-23 00:47:16Z fraggle $
//
// 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.
//
// $Log$
// Revision 1.41 2006/01/23 00:47:16 fraggle
// Rearrange the order of startup code to allow replacing the IWAD filename via dehacked
//
// Revision 1.40 2006/01/22 21:19:14 fraggle
// Dehacked string replacements for startup messages, IWAD names, demo names and backgrounds
//
// Revision 1.39 2006/01/14 02:06:48 fraggle
// Include the game version in the settings structure.
//
// Revision 1.38 2006/01/13 23:56:00 fraggle
// Add text-mode I/O functions.
// Use text-mode screen for the waiting screen.
//
// Revision 1.37 2006/01/10 22:14:13 fraggle
// Shut up compiler warnings
//
// Revision 1.36 2006/01/09 01:50:51 fraggle
// Deduce a sane player name by examining environment variables. Add
// a "player_name" setting to chocolate-doom.cfg. Transmit the name
// to the server and use the names players send in the waiting data list.
//
// Revision 1.35 2006/01/02 21:52:06 fraggle
// Move I_InitGraphics call to be invoked earlier in D_DoomMain. Call the
// NET_WaitForStart function to wait for a start signal in network games.
//
// Revision 1.34 2006/01/02 00:17:42 fraggle
// Encapsulate the event queue code properly. Add a D_PopEvent function
// to read a new event from the event queue.
//
// Revision 1.33 2006/01/01 23:53:14 fraggle
// Remove GS_WAITINGSTART gamestate. This will be independent of the main
// loop to avoid interfering with the main game code too much.
//
// Revision 1.32 2005/12/30 18:58:22 fraggle
// Fix client code to correctly send reply to server on connection.
// Add "waiting screen" while waiting for the game to start.
// Hook in the new networking code into the main game code.
//
// Revision 1.31 2005/10/24 18:50:39 fraggle
// Allow the game version to emulate to be specified from the command line
// and set compatibility options accordingly.
//
// Revision 1.30 2005/10/17 23:48:05 fraggle
// DEH_CheckCommandLine -> DEH_Init, for consistency with other Init
// functions
//
// Revision 1.29 2005/10/16 20:55:50 fraggle
// Fix the '-cdrom' command-line option.
//
// Revision 1.28 2005/10/16 01:18:10 fraggle
// Global "configdir" variable with directory to store config files in.
// Create a function to find the filename for a savegame slot. Store
// savegames in the config dir.
//
// Revision 1.27 2005/10/15 17:57:47 fraggle
// Add warning message for WADs with FF_START or SS_START in, suggesting
// the -merge option.
//
// Revision 1.26 2005/10/15 17:38:49 fraggle
// Print startup banners which have been modified by dehacked.
//
// Revision 1.25 2005/10/12 21:52:01 fraggle
// doomfeatures.h to allow certain features to be disabled in the build
//
// Revision 1.24 2005/10/09 14:34:19 fraggle
// Fix banner string for ultimate doom
//
// Revision 1.23 2005/10/09 00:20:24 fraggle
// Detect registered DOOM banner in dehacked patches
//
// Revision 1.22 2005/10/08 21:01:55 fraggle
// Change dehacked startup message
//
// Revision 1.21 2005/10/08 20:10:51 fraggle
// Shut up compiler warning
//
// Revision 1.20 2005/10/08 19:33:48 fraggle
// Allow dehacked patches to override the name of the game via the
// startup banner.
//
// Revision 1.19 2005/10/08 18:23:18 fraggle
// WAD merging code
//
// Revision 1.18 2005/10/04 00:41:49 fraggle
// Move call to dehacked entrypoint to stop crashes
//
// Revision 1.17 2005/10/02 23:49:01 fraggle
// The beginnings of dehacked support
//
// Revision 1.16 2005/10/02 04:16:47 fraggle
// Fixes for Final Doom
//
// Revision 1.15 2005/09/22 13:13:47 fraggle
// Remove external statistics driver support (-statcopy):
// nonfunctional on modern systems and never used.
// Fix for systems where sizeof(int) != sizeof(void *)
//
// Revision 1.14 2005/09/11 20:25:56 fraggle
// Second configuration file to allow chocolate doom-specific settings.
// Adjust some existing command line logic (for graphics settings and
// novert) to adjust for this.
//
// Revision 1.13 2005/09/08 22:05:17 fraggle
// Allow alt-tab away while running fullscreen
//
// Revision 1.12 2005/09/04 18:44:22 fraggle
// shut up compiler warnings
//
// Revision 1.11 2005/09/04 15:59:45 fraggle
// 'novert' command line option to disable vertical mouse movement
//
// Revision 1.10 2005/08/31 21:50:57 fraggle
// Nicer banner showing the game type (once we know). Remove dead code.
// Find the config file properly.
//
// Revision 1.9 2005/08/31 21:35:42 fraggle
// Display the game name in the title bar. Move game start code to later
// in initialisation because of the IWAD detection changes.
//
// Revision 1.8 2005/08/31 21:24:24 fraggle
// Remove the last traces of NORMALUNIX
//
// Revision 1.7 2005/08/31 21:21:18 fraggle
// Better IWAD detection and identification. Support '-iwad' to specify
// the IWAD to use.
//
// Revision 1.6 2005/08/30 22:11:10 fraggle
// Windows fixes
//
// Revision 1.5 2005/08/04 22:55:07 fraggle
// Use DOOM_VERSION to define the Doom version (don't conflict with
// automake's config.h). Display GPL message instead of anti-piracy
// messages.
//
// Revision 1.4 2005/08/04 21:48:32 fraggle
// Turn on compiler optimisation and warning options
// Add SDL_mixer sound code
//
// Revision 1.3 2005/08/04 18:42:15 fraggle
// Silence compiler warnings
//
// Revision 1.2 2005/07/23 16:44:55 fraggle
// Update copyright to GNU GPL
//
// Revision 1.1.1.1 2005/07/23 16:20:34 fraggle
// Initial import
//
//
// DESCRIPTION:
// DOOM main program (D_DoomMain) and game loop (D_DoomLoop),
// plus functions to determine game mode (shareware, registered),
// parse command line parameters, configure game parameters (turbo),
// and call the startup functions.
//
//-----------------------------------------------------------------------------
static const char rcsid[] = "$Id: d_main.c 336 2006-01-23 00:47:16Z fraggle $";
#define BGCOLOR 7
#define FGCOLOR 8
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#include <io.h>
#else
#include <sys/stat.h>
#include <sys/types.h>
#endif
#include "config.h"
#include "deh_main.h"
#include "doomdef.h"
#include "doomstat.h"
#include "dstrings.h"
#include "doomfeatures.h"
#include "sounds.h"
#include "z_zone.h"
#include "w_wad.h"
#include "w_merge.h"
#include "s_sound.h"
#include "v_video.h"
#include "f_finale.h"
#include "f_wipe.h"
#include "m_argv.h"
#include "m_misc.h"
#include "m_menu.h"
#include "p_saveg.h"
#include "i_system.h"
#include "i_sound.h"
#include "i_video.h"
#include "g_game.h"
#include "hu_stuff.h"
#include "wi_stuff.h"
#include "st_stuff.h"
#include "am_map.h"
#include "net_client.h"
#include "p_setup.h"
#include "r_local.h"
#include "d_main.h"
//
// D-DoomLoop()
// Not a globally visible function,
// just included for source reference,
// called by D_DoomMain, never exits.
// Manages timing and IO,
// calls all ?_Responder, ?_Ticker, and ?_Drawer,
// calls I_GetTime, I_StartFrame, and I_StartTic
//
void D_DoomLoop (void);
// Location where all configuration data is stored -
// default.cfg, savegames, etc.
char * configdir;
// location of IWAD and WAD files
char * iwadfile;
char * wadfiles[MAXWADFILES];
boolean devparm; // started game with -devparm
boolean nomonsters; // checkparm of -nomonsters
boolean respawnparm; // checkparm of -respawn
boolean fastparm; // checkparm of -fast
boolean drone;
boolean singletics = false; // debug flag to cancel adaptiveness
//extern int soundVolume;
//extern int sfxVolume;
//extern int musicVolume;
extern boolean inhelpscreens;
skill_t startskill;
int startepisode;
int startmap;
boolean autostart;
FILE* debugfile;
boolean advancedemo;
char wadfile[1024]; // primary wad file
char mapdir[1024]; // directory of development maps
void D_CheckNetGame (void);
void D_ProcessEvents (void);
void G_BuildTiccmd (ticcmd_t* cmd);
void D_DoAdvanceDemo (void);
//
// EVENT HANDLING
//
// Events are asynchronous inputs generally generated by the game user.
// Events can be discarded if no responder claims them
//
#define MAXEVENTS 64
static event_t events[MAXEVENTS];
static int eventhead;
static int eventtail;
//
// D_PostEvent
// Called by the I/O functions when input is detected
//
void D_PostEvent (event_t* ev)
{
events[eventhead] = *ev;
eventhead = (eventhead + 1) % MAXEVENTS;
}
// Read an event from the queue.
event_t *D_PopEvent(void)
{
event_t *result;
// No more events waiting.
if (eventtail == eventhead)
{
return NULL;
}
result = &events[eventtail];
// Advance to the next event in the queue.
eventtail = (eventtail + 1) % MAXEVENTS;
return result;
}
//
// D_ProcessEvents
// Send all the events of the given timestamp down the responder chain
//
void D_ProcessEvents (void)
{
event_t* ev;
// IF STORE DEMO, DO NOT ACCEPT INPUT
if ( ( gamemode == commercial )
&& (W_CheckNumForName("map01")<0) )
return;
while ((ev = D_PopEvent()) != NULL)
{
if (M_Responder (ev))
continue; // menu ate the event
G_Responder (ev);
}
}
//
// D_Display
// draw current display, possibly wiping it from the previous
//
// wipegamestate can be set to -1 to force a wipe on the next draw
gamestate_t wipegamestate = GS_DEMOSCREEN;
extern boolean setsizeneeded;
extern int showMessages;
void R_ExecuteSetViewSize (void);
void D_Display (void)
{
static boolean viewactivestate = false;
static boolean menuactivestate = false;
static boolean inhelpscreensstate = false;
static boolean fullscreen = false;
static gamestate_t oldgamestate = -1;
static int borderdrawcount;
int nowtime;
int tics;
int wipestart;
int y;
boolean done;
boolean wipe;
boolean redrawsbar;
if (nodrawers)
return; // for comparative timing / profiling
redrawsbar = false;
// change the view size if needed
if (setsizeneeded)
{
R_ExecuteSetViewSize ();
oldgamestate = -1; // force background redraw
borderdrawcount = 3;
}
// save the current screen if about to wipe
if (gamestate != wipegamestate)
{
wipe = true;
wipe_StartScreen(0, 0, SCREENWIDTH, SCREENHEIGHT);
}
else
wipe = false;
if (gamestate == GS_LEVEL && gametic)
HU_Erase();
// do buffered drawing
switch (gamestate)
{
case GS_LEVEL:
if (!gametic)
break;
if (automapactive)
AM_Drawer ();
if (wipe || (viewheight != 200 && fullscreen) )
redrawsbar = true;
if (inhelpscreensstate && !inhelpscreens)
redrawsbar = true; // just put away the help screen
ST_Drawer (viewheight == 200, redrawsbar );
fullscreen = viewheight == 200;
break;
case GS_INTERMISSION:
WI_Drawer ();
break;
case GS_FINALE:
F_Drawer ();
break;
case GS_DEMOSCREEN:
D_PageDrawer ();
break;
}
// draw buffered stuff to screen
I_UpdateNoBlit ();
// draw the view directly
if (gamestate == GS_LEVEL && !automapactive && gametic)
R_RenderPlayerView (&players[displayplayer]);
if (gamestate == GS_LEVEL && gametic)
HU_Drawer ();
// clean up border stuff
if (gamestate != oldgamestate && gamestate != GS_LEVEL)
I_SetPalette (W_CacheLumpName ("PLAYPAL",PU_CACHE));
// see if the border needs to be initially drawn
if (gamestate == GS_LEVEL && oldgamestate != GS_LEVEL)
{
viewactivestate = false; // view was not active
R_FillBackScreen (); // draw the pattern into the back screen
}
// see if the border needs to be updated to the screen
if (gamestate == GS_LEVEL && !automapactive && scaledviewwidth != 320)
{
if (menuactive || menuactivestate || !viewactivestate)
borderdrawcount = 3;
if (borderdrawcount)
{
R_DrawViewBorder (); // erase old menu stuff
borderdrawcount--;
}
}
menuactivestate = menuactive;
viewactivestate = viewactive;
inhelpscreensstate = inhelpscreens;
oldgamestate = wipegamestate = gamestate;
// draw pause pic
if (paused)
{
if (automapactive)
y = 4;
else
y = viewwindowy+4;
V_DrawPatchDirect(viewwindowx+(scaledviewwidth-68)/2,
y,0,W_CacheLumpName ("M_PAUSE", PU_CACHE));
}
// menus go directly to the screen
M_Drawer (); // menu is drawn even on top of everything
NetUpdate (); // send out any new accumulation
// normal update
if (!wipe)
{
I_FinishUpdate (); // page flip or blit buffer
return;
}
// wipe update
wipe_EndScreen(0, 0, SCREENWIDTH, SCREENHEIGHT);
wipestart = I_GetTime () - 1;
do
{
do
{
nowtime = I_GetTime ();
tics = nowtime - wipestart;
} while (!tics);
wipestart = nowtime;
done = wipe_ScreenWipe(wipe_Melt
, 0, 0, SCREENWIDTH, SCREENHEIGHT, tics);
I_UpdateNoBlit ();
M_Drawer (); // menu is drawn even on top of wipes
I_FinishUpdate (); // page flip or blit buffer
} while (!done);
}
//
// D_DoomLoop
//
extern boolean demorecording;
void D_DoomLoop (void)
{
if (demorecording)
G_BeginRecording ();
if (M_CheckParm ("-debugfile"))
{
char filename[20];
sprintf (filename,"debug%i.txt",consoleplayer);
printf ("debug output to: %s\n",filename);
debugfile = fopen (filename,"w");
}
I_InitGraphics ();
while (1)
{
// frame syncronous IO operations
I_StartFrame ();
// process one or more tics
if (singletics)
{
I_StartTic ();
D_ProcessEvents ();
G_BuildTiccmd (&netcmds[consoleplayer][maketic%BACKUPTICS]);
if (advancedemo)
D_DoAdvanceDemo ();
M_Ticker ();
G_Ticker ();
gametic++;
maketic++;
}
else
{
TryRunTics (); // will run at least one tic
}
S_UpdateSounds (players[consoleplayer].mo);// move positional sounds
// Update display, next frame, with current state.
if (screenvisible)
D_Display ();
}
}
//
// DEMO LOOP
//
int demosequence;
int pagetic;
char *pagename;
//
// D_PageTicker
// Handles timing for warped projection
//
void D_PageTicker (void)
{
if (--pagetic < 0)
D_AdvanceDemo ();
}
//
// D_PageDrawer
//
void D_PageDrawer (void)
{
V_DrawPatch (0,0, 0, W_CacheLumpName(pagename, PU_CACHE));
}
//
// D_AdvanceDemo
// Called after each demo or intro demosequence finishes
//
void D_AdvanceDemo (void)
{
advancedemo = true;
}
//
// This cycles through the demo sequences.
// FIXME - version dependend demo numbers?
//
void D_DoAdvanceDemo (void)
{
players[consoleplayer].playerstate = PST_LIVE; // not reborn
advancedemo = false;
usergame = false; // no save / end game here
paused = false;
gameaction = ga_nothing;
if ( gamemode == retail )
demosequence = (demosequence+1)%7;
else
demosequence = (demosequence+1)%6;
switch (demosequence)
{
case 0:
if ( gamemode == commercial )
pagetic = 35 * 11;
else
pagetic = 170;
gamestate = GS_DEMOSCREEN;
pagename = DEH_String("TITLEPIC");
if ( gamemode == commercial )
S_StartMusic(mus_dm2ttl);
else
S_StartMusic (mus_intro);
break;
case 1:
G_DeferedPlayDemo(DEH_String("demo1"));
break;
case 2:
pagetic = 200;
gamestate = GS_DEMOSCREEN;
pagename = DEH_String("CREDIT");
break;
case 3:
G_DeferedPlayDemo(DEH_String("demo2"));
break;
case 4:
gamestate = GS_DEMOSCREEN;
if ( gamemode == commercial)
{
pagetic = 35 * 11;
pagename = DEH_String("TITLEPIC");
S_StartMusic(mus_dm2ttl);
}
else
{
pagetic = 200;
if ( gamemode == retail )
pagename = DEH_String("CREDIT");
else
pagename = DEH_String("HELP2");
}
break;
case 5:
G_DeferedPlayDemo(DEH_String("demo3"));
break;
// THE DEFINITIVE DOOM Special Edition demo
case 6:
G_DeferedPlayDemo(DEH_String("demo4"));
break;
}
}
//
// D_StartTitle
//
void D_StartTitle (void)
{
gameaction = ga_nothing;
demosequence = -1;
D_AdvanceDemo ();
}
// print title for every printed line
char title[128];
//
// D_AddFile
//
void D_AddFile (char *file)
{
int numwadfiles;
char *newfile;
for (numwadfiles = 0 ; wadfiles[numwadfiles] ; numwadfiles++)
;
newfile = malloc (strlen(file)+1);
strcpy (newfile, file);
wadfiles[numwadfiles] = newfile;
}
// Check if a file exists
static int FileExists(char *filename)
{
FILE *fstream;
fstream = fopen(filename, "r");
if (fstream != NULL)
{
fclose(fstream);
return 1;
}
else
{
return 0;
}
}
struct
{
char *name;
GameMission_t mission;
} iwads[] = {
{"doom.wad", doom},
{"doom2.wad", doom2},
{"tnt.wad", pack_tnt},
{"plutonia.wad", pack_plut},
{"doom1.wad", doom},
};
// Search a directory to try to find an IWAD
// Returns non-zero if successful
static int SearchDirectoryForIWAD(char *dir)
{
int i;
int result;
result = 0;
for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
{
char *filename;
char *iwadname;
iwadname = DEH_String(iwads[i].name);
filename = malloc(strlen(dir) + strlen(iwadname) + 3);
sprintf(filename, "%s/%s", dir, iwadname);
if (FileExists(filename))
{
iwadfile = filename;
gamemission = iwads[i].mission;
D_AddFile(filename);
result = 1;
break;
}
else
{
free(filename);
}
}
return result;
}
// When given an IWAD with the '-iwad' parameter,
// attempt to identify it by its name.
static void IdentifyIWADByName(char *name)
{
int i;
gamemission = none;
for (i=0; i<sizeof(iwads) / sizeof(*iwads); ++i)
{
char *iwadname;
iwadname = DEH_String(iwads[i].name);
if (strlen(name) < strlen(iwadname))
continue;
// Check if it ends in this IWAD name.
if (!strcasecmp(name + strlen(name) - strlen(iwadname),
iwadname))
{
gamemission = iwads[i].mission;
break;
}
}
}
//
// FindIWAD
// Checks availability of IWAD files by name,
// to determine whether registered/commercial features
// should be executed (notably loading PWAD's).
//
static void FindIWAD (void)
{
char *doomwaddir;
int result;
int iwadparm;
result = 0;
doomwaddir = getenv("DOOMWADDIR");
iwadparm = M_CheckParm("-iwad");
if (iwadparm)
{
iwadfile = myargv[iwadparm + 1];
D_AddFile(iwadfile);
IdentifyIWADByName(iwadfile);
result = 1;
}
else if (doomwaddir != NULL)
{
result = SearchDirectoryForIWAD(doomwaddir);
}
if (result == 0)
{
result = SearchDirectoryForIWAD(".")
|| SearchDirectoryForIWAD("/usr/share/games/doom")
|| SearchDirectoryForIWAD("/usr/local/share/games/doom");
}
if (result == 0)
{
I_Error("Game mode indeterminate. No IWAD file was found. Try\n"
"specifying one with the '-iwad' command line parameter.\n");
}
}
// Strings for dehacked replacements of the startup banner
//
// These are from the original source: some of them are perhaps
// not used in any dehacked patches
static char *banners[] =
{
// doom1.wad
" "
"DOOM Shareware Startup v%i.%i"
" ",
// doom.wad
" "
"DOOM Registered Startup v%i.%i"
" ",
// Registered DOOM uses this
" "
"DOOM System Startup v%i.%i"
" ",
// doom.wad (Ultimate DOOM)
" "
"The Ultimate DOOM Startup v%i.%i"
" ",
// doom2.wad
" "
"DOOM 2: Hell on Earth v%i.%i"
" ",
// tnt.wad
" "
"DOOM 2: TNT - Evilution v%i.%i"
" ",
// plutonia.wad
" "
"DOOM 2: Plutonia Experiment v%i.%i"
" ",
};
// Copyright message banners
// Some dehacked mods replace these. These are only displayed if they are
// replaced by dehacked.
static char *copyright_banners[] =
{
"===========================================================================\n"
"ATTENTION: This version of DOOM has been modified. If you would like to\n"
"get a copy of the original game, call 1-800-IDGAMES or see the readme file.\n"
" You will not receive technical support for modified games.\n"
" press enter to continue\n"
"===========================================================================\n",
"===========================================================================\n"
" Commercial product - do not distribute!\n"
" Please report software piracy to the SPA: 1-800-388-PIR8\n"
"===========================================================================\n",
"===========================================================================\n"
" Shareware!\n"
"===========================================================================\n"
};
//
// Get game name: if the startup banner has been replaced, use that.
// Otherwise, use the name given
//
static char *GetGameName(char *gamename)
{
int i;
char *deh_sub;
for (i=0; i<sizeof(banners) / sizeof(*banners); ++i)
{
// Has the banner been replaced?
deh_sub = DEH_String(banners[i]);
if (deh_sub != banners[i])
{
// Has been replaced
// We need to expand via printf to include the Doom version
// number
// We also need to cut off spaces to get the basic name
gamename = Z_Malloc(strlen(deh_sub) + 10, PU_STATIC, 0);
sprintf(gamename, deh_sub, DOOM_VERSION / 100, DOOM_VERSION % 100);
while (gamename[0] != '\0' && isspace(gamename[0]))
strcpy(gamename, gamename+1);
while (gamename[0] != '\0' && isspace(gamename[strlen(gamename)-1]))
gamename[strlen(gamename) - 1] = '\0';
return gamename;
}
}
return gamename;
}
//
// Find out what version of Doom is playing.
//
static void IdentifyVersion(void)
{
// gamemission is set up by the FindIWAD function. But if
// we specify '-iwad', we have to identify using
// IdentifyIWADByName. However, if the iwad does not match
// any known IWAD name, we may have a dilemma. Try to
// identify by its contents.
if (gamemission == none)
{
int i;
for (i=0; i<numlumps; ++i)
{
if (!strncasecmp(lumpinfo[i].name, "MAP01", 8))
{
gamemission = doom2;
break;
}
else if (!strncasecmp(lumpinfo[i].name, "E1M1", 8))
{
gamemission = doom;
break;
}
}
if (gamemission == none)
{
// Still no idea. I don't think this is going to work.
I_Error("Unknown or invalid IWAD file.");
}
}
// Make sure gamemode is set up correctly
if (gamemission == doom)
{
// Doom 1. But which version?
if (W_CheckNumForName("E4M1") > 0)
{
// Ultimate Doom
gamemode = retail;
}
else if (W_CheckNumForName("E3M1") > 0)
{
gamemode = registered;
}
else
{
gamemode = shareware;
}
}
else
{
// Doom 2 of some kind.
gamemode = commercial;
}
}
// Set the gamedescription string
static void SetGameDescription(void)
{
gamedescription = "Unknown";
if (gamemission == doom)
{
// Doom 1. But which version?
if (gamemode == retail)
{
// Ultimate Doom
gamedescription = GetGameName("The Ultimate DOOM");
}
else if (gamemode == registered)
{
gamedescription = GetGameName("DOOM Registered");
}
else if (gamemode == shareware)
{
gamedescription = GetGameName("DOOM Shareware");
}
}
else
{
// Doom 2 of some kind. But which mission?
if (gamemission == doom2)
gamedescription = GetGameName("DOOM 2: Hell on Earth");
else if (gamemission == pack_plut)
gamedescription = GetGameName("DOOM 2: Plutonia Experiment");
else if (gamemission == pack_tnt)
gamedescription = GetGameName("DOOM 2: TNT - Evilution");
}
}
//
// Find a Response File
//
void FindResponseFile (void)
{
int i;
#define MAXARGVS 100
for (i = 1;i < myargc;i++)
if (myargv[i][0] == '@')
{
FILE * handle;
int size;
int k;
int index;
int indexinfile;
char *infile;
char *file;
char *moreargs[20];
char *firstargv;
// READ THE RESPONSE FILE INTO MEMORY
handle = fopen (&myargv[i][1],"rb");
if (!handle)
{
printf ("\nNo such response file!");
exit(1);
}
printf("Found response file %s!\n",&myargv[i][1]);
fseek (handle,0,SEEK_END);
size = ftell(handle);
fseek (handle,0,SEEK_SET);
file = malloc (size);
fread (file,size,1,handle);
fclose (handle);
// KEEP ALL CMDLINE ARGS FOLLOWING @RESPONSEFILE ARG
for (index = 0,k = i+1; k < myargc; k++)
moreargs[index++] = myargv[k];
firstargv = myargv[0];
myargv = malloc(sizeof(char *)*MAXARGVS);
memset(myargv,0,sizeof(char *)*MAXARGVS);
myargv[0] = firstargv;
infile = file;
indexinfile = k = 0;
indexinfile++; // SKIP PAST ARGV[0] (KEEP IT)
do
{
myargv[indexinfile++] = infile+k;
while(k < size &&
((*(infile+k)>= ' '+1) && (*(infile+k)<='z')))
k++;
*(infile+k) = 0;
while(k < size &&
((*(infile+k)<= ' ') || (*(infile+k)>'z')))
k++;
} while(k < size);
for (k = 0;k < index;k++)
myargv[indexinfile++] = moreargs[k];
myargc = indexinfile;
// DISPLAY ARGS
printf("%d command-line args:\n",myargc);
for (k=1;k<myargc;k++)
printf("%s\n",myargv[k]);
break;
}
}
// Startup banner
void PrintBanner(char *msg)
{
int i;
int spaces = 35 - (strlen(msg) / 2);
for (i=0; i<spaces; ++i)
putchar(' ');
puts(msg);
}
// Prints a message only if it has been modified by dehacked.
void PrintDehackedBanners(void)
{
int i;
for (i=0; i<sizeof(copyright_banners) / sizeof(char *); ++i)
{
char *deh_s;
deh_s = DEH_String(copyright_banners[i]);
if (deh_s != copyright_banners[i])
{
printf("%s", deh_s);
}
}
}
//
// SetConfigDir:
//
// Sets the location of the configuration directory, where configuration
// files are stored - default.cfg, chocolate-doom.cfg, savegames, etc.
//
static void SetConfigDir(void)
{
char *homedir;
homedir = getenv("HOME");
if (homedir != NULL)
{
// put all configuration in a config directory off the
// homedir
configdir = malloc(strlen(homedir) + strlen(PACKAGE_TARNAME) + 5);
sprintf(configdir, "%s/.%s/", homedir, PACKAGE_TARNAME);
// make the directory if it doesnt already exist
#ifdef _WIN32
mkdir(configdir);
#else
mkdir(configdir, 0755);
#endif
}
else
{
#ifdef _WIN32
// when given the -cdrom option, save config+savegames in
// c:\doomdata. This only applies under Windows.
if (M_CheckParm("-cdrom") > 0)
{
printf(D_CDROM);
configdir = strdup("c:\\doomdata\\");
}
else
#endif
{
configdir = strdup("");
}
}
}
static struct
{
char *description;
char *cmdline;
GameVersion_t version;
} gameversions[] = {
{"Doom 1.9", "1.9", exe_doom_1_9},
{"Ultimate Doom", "ultimate", exe_ultimate},
{"Final Doom", "final", exe_final},
{NULL},
};
// Initialise the game version
static void InitGameVersion(void)
{
int p;
int i;
p = M_CheckParm("-gameversion");
if (p > 0)
{
for (i=0; gameversions[i].description != NULL; ++i)
{
if (!strcmp(myargv[p+1], gameversions[i].cmdline))
{
gameversion = gameversions[i].version;
break;
}
}
if (gameversions[i].description == NULL)
{
printf("Supported game versions:\n");
for (i=0; gameversions[i].description != NULL; ++i)
{
printf("\t%s (%s)\n", gameversions[i].cmdline,
gameversions[i].description);
}
I_Error("Unknown game version '%s'", myargv[p+1]);
}
}
else
{
// Determine automatically
if (gamemode == shareware || gamemode == registered)
{
// original
gameversion = exe_doom_1_9;
}
else if (gamemode == retail)
{
gameversion = exe_ultimate;
}
else if (gamemode == commercial)
{
if (gamemission == doom2)
{
gameversion = exe_doom_1_9;
}
else
{
// Final Doom: tnt or plutonia
gameversion = exe_final;
}
}
}
// The original exe does not support retail - 4th episode not supported
if (gameversion < exe_ultimate && gamemode == retail)
{
gamemode = registered;
}
// EXEs prior to the Final Doom exes do not support Final Doom.
if (gameversion < exe_final && gamemode == commercial)
{
gamemission = doom2;
}
}
void PrintGameVersion(void)
{
int i;
for (i=0; gameversions[i].description != NULL; ++i)
{
if (gameversions[i].version == gameversion)
{
printf("Emulating the behaviour of the "
"'%s' executable.\n", gameversions[i].description);
break;
}
}
}
//
// D_DoomMain
//
void D_DoomMain (void)
{
int p;
char file[256];
FindResponseFile ();
// print banner
PrintBanner(PACKAGE_STRING);
printf (DEH_String("Z_Init: Init zone memory allocation daemon. \n"));
Z_Init ();
#ifdef FEATURE_DEHACKED
printf("DEH_Init: Init Dehacked support.\n");
DEH_Init();
#endif
FindIWAD ();
setbuf (stdout, NULL);
modifiedgame = false;
nomonsters = M_CheckParm ("-nomonsters");
respawnparm = M_CheckParm ("-respawn");
fastparm = M_CheckParm ("-fast");
devparm = M_CheckParm ("-devparm");
if (M_CheckParm ("-altdeath"))
deathmatch = 2;
else if (M_CheckParm ("-deathmatch"))
deathmatch = 1;
if (devparm)
printf(DEH_String(D_DEVSTR));
// find which dir to use for config files
SetConfigDir();
// turbo option
if ( (p=M_CheckParm ("-turbo")) )
{
int scale = 200;
extern int forwardmove[2];
extern int sidemove[2];
if (p<myargc-1)
scale = atoi (myargv[p+1]);
if (scale < 10)
scale = 10;
if (scale > 400)
scale = 400;
printf (DEH_String("turbo scale: %i%%\n"),scale);
forwardmove[0] = forwardmove[0]*scale/100;
forwardmove[1] = forwardmove[1]*scale/100;
sidemove[0] = sidemove[0]*scale/100;
sidemove[1] = sidemove[1]*scale/100;
}
// add any files specified on the command line with -file wadfile
// to the wad list
//
// convenience hack to allow -wart e m to add a wad file
// prepend a tilde to the filename so wadfile will be reloadable
p = M_CheckParm ("-wart");
if (p)
{
myargv[p][4] = 'p'; // big hack, change to -warp
// Map name handling.
switch (gamemode )
{
case shareware:
case retail:
case registered:
sprintf (file,"~"DEVMAPS"E%cM%c.wad",
myargv[p+1][0], myargv[p+2][0]);
printf("Warping to Episode %s, Map %s.\n",
myargv[p+1],myargv[p+2]);
break;
case commercial:
default:
p = atoi (myargv[p+1]);
if (p<10)
sprintf (file,"~"DEVMAPS"cdata/map0%i.wad", p);
else
sprintf (file,"~"DEVMAPS"cdata/map%i.wad", p);
break;
}
D_AddFile (file);
}
p = M_CheckParm ("-file");
if (p)
{
// the parms after p are wadfile/lump names,
// until end of parms or another - preceded parm
modifiedgame = true; // homebrew levels
while (++p != myargc && myargv[p][0] != '-')
D_AddFile (myargv[p]);
}
p = M_CheckParm ("-playdemo");
if (!p)
p = M_CheckParm ("-timedemo");
if (p && p < myargc-1)
{
sprintf (file,"%s.lmp", myargv[p+1]);
D_AddFile (file);
printf(DEH_String("Playing demo %s.lmp.\n"),myargv[p+1]);
}
// init subsystems
printf (DEH_String("V_Init: allocate screens.\n"));
V_Init ();
printf (DEH_String("M_LoadDefaults: Load system defaults.\n"));
M_LoadDefaults (); // load before initing other systems
printf (DEH_String("W_Init: Init WADfiles.\n"));
W_InitMultipleFiles (wadfiles);
#ifdef FEATURE_WAD_MERGE
p = M_CheckParm("-merge");
if (p > 0)
{
for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
{
W_MergeFile(myargv[p]);
}
}
#endif
IdentifyVersion();
InitGameVersion();
SetGameDescription();
// Check for -file in shareware
if (modifiedgame)
{
// These are the lumps that will be checked in IWAD,
// if any one is not present, execution will be aborted.
char name[23][8]=
{
"e2m1","e2m2","e2m3","e2m4","e2m5","e2m6","e2m7","e2m8","e2m9",
"e3m1","e3m3","e3m3","e3m4","e3m5","e3m6","e3m7","e3m8","e3m9",
"dphoof","bfgga0","heada1","cybra1","spida1d1"
};
int i;
if ( gamemode == shareware)
I_Error(DEH_String("\nYou cannot -file with the shareware "
"version. Register!"));
// Check for fake IWAD with right name,
// but w/o all the lumps of the registered version.
if (gamemode == registered)
for (i = 0;i < 23; i++)
if (W_CheckNumForName(name[i])<0)
I_Error(DEH_String("\nThis is not the registered version."));
}
// get skill / episode / map from parms
startskill = sk_medium;
startepisode = 1;
startmap = 1;
autostart = false;
p = M_CheckParm ("-skill");
if (p && p < myargc-1)
{
startskill = myargv[p+1][0]-'1';
autostart = true;
}
p = M_CheckParm ("-episode");
if (p && p < myargc-1)
{
startepisode = myargv[p+1][0]-'0';
startmap = 1;
autostart = true;
}
p = M_CheckParm ("-timer");
if (p && p < myargc-1 && deathmatch)
{
int time;
time = atoi(myargv[p+1]);
printf(DEH_String("Levels will end after %d minute"),time);
if (time>1)
printf("s");
printf(".\n");
}
p = M_CheckParm ("-avg");
if (p && p < myargc-1 && deathmatch)
printf(DEH_String("Austin Virtual Gaming: Levels will end "
"after 20 minutes\n"));
p = M_CheckParm ("-warp");
if (p && p < myargc-1)
{
if (gamemode == commercial)
startmap = atoi (myargv[p+1]);
else
{
startepisode = myargv[p+1][0]-'0';
startmap = myargv[p+2][0]-'0';
}
autostart = true;
}
if (M_CheckParm("-novert"))
novert = true;
else if (M_CheckParm("-nonovert"))
novert = false;
if (W_CheckNumForName("SS_START") >= 0
|| W_CheckNumForName("FF_START") >= 0)
{
printf ("===========================================================================\n");
printf(" WARNING: The loaded WAD file contains modified sprites or\n"
" floor textures. You may want to use the '-merge' command\n"
" line option instead of '-file'.\n");
}
printf ("===========================================================================\n");
PrintBanner(gamedescription);
printf (
"===========================================================================\n"
" " PACKAGE_NAME " is free software, covered by the GNU General Public\n"
" License. There is NO warranty; not even for MERCHANTABILITY or FITNESS\n"
" FOR A PARTICULAR PURPOSE. You are welcome to change and distribute\n"
" copies under certain conditions. See the source for more information.\n"
"===========================================================================\n"
);
PrintDehackedBanners();
printf (DEH_String("M_Init: Init miscellaneous info.\n"));
M_Init ();
printf (DEH_String("R_Init: Init DOOM refresh daemon - "));
R_Init ();
printf (DEH_String("\nP_Init: Init Playloop state.\n"));
P_Init ();
printf (DEH_String("I_Init: Setting up machine state.\n"));
I_Init ();
printf ("NET_Init: Initialise network subsystem.\n");
NET_Init ();
printf (DEH_String("D_CheckNetGame: Checking network game status.\n"));
D_CheckNetGame ();
PrintGameVersion();
printf (DEH_String("S_Init: Setting up sound.\n"));
S_Init (snd_SfxVolume /* *8 */, snd_MusicVolume /* *8*/ );
printf (DEH_String("HU_Init: Setting up heads up display.\n"));
HU_Init ();
printf (DEH_String("ST_Init: Init status bar.\n"));
ST_Init ();
// start the apropriate game based on parms
p = M_CheckParm ("-record");
if (p && p < myargc-1)
{
G_RecordDemo (myargv[p+1]);
autostart = true;
}
p = M_CheckParm ("-playdemo");
if (p && p < myargc-1)
{
singledemo = true; // quit after one demo
G_DeferedPlayDemo (myargv[p+1]);
D_DoomLoop (); // never returns
}
p = M_CheckParm ("-timedemo");
if (p && p < myargc-1)
{
G_TimeDemo (myargv[p+1]);
D_DoomLoop (); // never returns
}
p = M_CheckParm ("-loadgame");
if (p && p < myargc-1)
{
strcpy(file, P_SaveGameFile(atoi(myargv[p+1])));
G_LoadGame (file);
}
if (gameaction != ga_loadgame )
{
if (autostart || netgame)
G_InitNew (startskill, startepisode, startmap);
else
D_StartTitle (); // start up intro loop
}
D_DoomLoop (); // never returns
}