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d_main.c
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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// $Log:$
//
// 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,v 1.8 1997/02/03 22:45:09 b1 Exp $";
#include "thirdparty/glad/include/glad/glad.h"
#define BGCOLOR 7
#define FGCOLOR 8
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef NORMALUNIX
#include <unistd.h>
#endif
//#include <direct.h>
#include <malloc.h>
#ifdef _WIN32
#include <io.h>
#include <direct.h>
#else
#include <inttypes.h>
#include <unistd.h>
#include <dirent.h>
#endif
#include "doomdef.h"
#include "doomstat.h"
#include "dstrings.h"
#include "sounds.h"
#include "z_zone.h"
#include "w_wad.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 "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 "p_setup.h"
#include "r_local.h"
#include "d_main.h"
#include "d_console.h"
#include "gldefs.h"
#include "gl_video.h"
#include "doomlib.h"
void WS_Init(void);
void LoadAllSprites(void);
void CreateGLPalette(void);
dboolean bShowTitle = false;
void lfprintf(char *message, ... );
//
// 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);
extern GLTexData glTitlePic[2], glHelp[2], glHelp1[2], glCredit[2], glHelp2[2];
GLTexData *glPageName;
void WI_Init(void);
void F_Init(void);
char* wadfiles[MAXWADFILES];
char gamename[128] = "";
dboolean devparm; // started game with -devparm
dboolean nomonsters; // checkparm of -nomonsters
dboolean respawnparm; // checkparm of -respawn
dboolean fastparm; // checkparm of -fast
dboolean drone;
dboolean singletics = false; // debug flag to cancel adaptiveness
extern dboolean plutonia, tnt;
//extern int soundVolume;
//extern int sfxVolume;
//extern int musicVolume;
extern dboolean inhelpscreens;
extern int loadtime;
skill_t startskill;
int startepisode;
int startmap;
dboolean autostart;
FILE* debugfile;
dboolean advancedemo;
extern int nosound, nosound_t;
char wadfile[1024]; // primary wad file
char mapdir[1024]; // directory of development maps
char *basedefault = "default.cfg"; // default file
void D_CheckNetGame (void);
void G_BuildTiccmd (ticcmd_t* cmd);
void D_DoAdvanceDemo (void);
int PauseTex;
int PauseHigh, PauseWide;
//
// EVENT HANDLING
//
// Events are asynchronous inputs generally generated by the game user.
// Events can be discarded if no responder claims them
//
event_t events[MAXEVENTS];
int eventhead;
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)&(MAXEVENTS-1);
}
void D_ProcessEvents(void)
{
event_t* ev;
// IF STORE DEMO, DO NOT ACCEPT INPUT
if (( gamemode == commercial ) && (W_CheckNumForName("map01")<0))
return;
for (; eventtail != eventhead; eventtail = (++eventtail)&(MAXEVENTS-1))
{
ev = &events[eventtail];
if (CO_Responder(ev))
{
continue; // console ate the event
}
if (M_Responder(ev))
{
continue; // menu ate the event
}
G_Responder(ev);
}
}
//
// D_Display
// draw current display, possibly wiping it from the previous
//
void GL_DrawFullScreen(GLTexData *Image);
void GL_RenderPlayerView(player_t *player);
void GL_DrawStatusBar(int);
void GL_DrawPausePic(void);
void GL_DrawConsole(void);
void GL_AM_Drawer(void);
void GL_HU_Drawer(void);
void GL_WI_Drawer(void);
void GL_F_Drawer(void);
void GL_DrawMenu(void);
extern glmode_t glmode;
// wipegamestate can be set to -1 to force a wipe on the next draw
gamestate_t wipegamestate = GS_DEMOSCREEN;
extern dboolean setsizeneeded;
extern int showMessages;
void R_ExecuteSetViewSize (void);
extern int hudmode;
void I_uSleep(unsigned long usecs)
{
SDL_Delay(usecs / 1000);
}
//
// D_Wipe
//
// CPhipps - moved the screen wipe code from D_Display to here
// The screens to wipe between are already stored, this just does the timing
// and screen updating
static void D_Wipe(void)
{
dboolean done;
int wipestart = I_GetTime() - 1;
//glClear(GL_COLOR_BUFFER_BIT);
do
{
int nowtime, tics;
do
{
I_uSleep(5000); // CPhipps - don't thrash cpu in this loop
nowtime = I_GetTime();
tics = nowtime - wipestart;
} while (!tics);
wipestart = nowtime;
done = wipe_ScreenWipe(tics);
I_UpdateNoBlit();
M_Drawer(); // menu is drawn even on top of wipes
I_FinishUpdate(); // page flip or blit buffer
} while (!done);
}
void D_Display (void)
{
static dboolean viewactivestate = false;
static dboolean menuactivestate = false;
static dboolean inhelpscreensstate = false;
static dboolean fullscreen = false;
static gamestate_t oldgamestate = -1;
static int borderdrawcount;
dboolean wipe;
dboolean 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 ((wipe = (gamestate != wipegamestate)))
{
wipe_StartScreen();
}
if (gamestate == GS_LEVEL && gametic)
{
HU_Erase();
}
// do buffered drawing
switch (gamestate)
{
case GS_LEVEL:
if (!gametic)
break;
if (automapactive)
{
//AM_Drawer ();
GL_AM_Drawer();
GL_DrawStatusBar(1);
}
if (wipe || (viewheight != SCREENHEIGHT && fullscreen) )
redrawsbar = true;
if (inhelpscreensstate && !inhelpscreens)
redrawsbar = true; // just put away the help screen
//ST_Drawer(viewheight == SCREENHEIGHT, redrawsbar );
fullscreen = viewheight == SCREENHEIGHT;
if (!automapactive)
{
R_RenderPlayerView (&players[displayplayer]);
GL_RenderPlayerView (&players[displayplayer]);
}
break;
case GS_INTERMISSION:
//WI_Drawer();
GL_WI_Drawer();
break;
case GS_FINALE:
//F_Drawer();
GL_F_Drawer();
break;
case GS_DEMOSCREEN:
//D_PageDrawer();
GL_DrawFullScreen(glPageName);
break;
}
// draw buffered stuff to screen
//I_UpdateNoBlit(); // UNUSED
// draw the view directly
if (gamestate == GS_LEVEL && !automapactive && gametic)
{
R_RenderPlayerView (&players[displayplayer]);
//GL_RenderPlayerView (&players[displayplayer]);
GL_DrawStatusBar(hudmode);
}
glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
if (gamestate == GS_LEVEL && gametic)
{
//HU_Drawer ();
GL_HU_Drawer();
}
#if 0
// 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 != SCREENWIDTH && viewheight != SCREENHEIGHT)
{
if (menuactive || menuactivestate || !viewactivestate)
borderdrawcount = 3;
if (borderdrawcount)
{
R_DrawViewBorder(); // erase old menu stuff
borderdrawcount--;
}
}
#endif
menuactivestate = menuactive;
viewactivestate = viewactive;
inhelpscreensstate = inhelpscreens;
oldgamestate = wipegamestate = gamestate;
// draw pause pic
if (paused)
{
GL_DrawPausePic();
/*
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 (); // UNUSED
glmode = gl_2d;
GL_DrawMenu();
if (bConsoleActive == true)
{
GL_DrawConsole();
}
// Console is drawn on top of even the menu...
//
//CO_Drawer(); // UNUSED
NetUpdate (); // send out any new accumulation
// normal update
if (!wipe)
{
I_FinishUpdate (); // page flip or blit buffer
}
else
{
wipe_EndScreen();
D_Wipe();
}
}
GLTexData PauseTexData;
extern int TexWide, TexHigh;
/*
void GL_PauseInit()
{
patch_t *PausePatch;
PausePatch = W_CacheLumpName("M_PAUSE", PU_CACHE);
PauseTexData.TexName = PauseTex;
PauseTexData.Width = PausePatch->width;
PauseTexData.Height = PausePatch->height;
PauseTexData.XDisp = (float)PausePatch->width / (float)TexWide;
PauseTexData.YDisp = 1.0f - ((float)PausePatch->height / (float)TexHigh);
}
*/
extern float SetBack;
void GL_DrawPausePic()
{
float PauseLeft, PauseRight, PauseBottom;
glEnable(GL_TEXTURE_2D);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0f);
PauseLeft = PauseTexData.Width / -2.0f;
PauseRight = PauseTexData.Width / 2.0f;
PauseBottom = 116.0f - PauseTexData.Height;
glColor3f( 1.0f, 1.0f, 1.0f );
glBindTexture(GL_TEXTURE_2D, PauseTex);
glBegin( GL_QUADS );
glNormal3f( 0.0f, 0.0f, 1.0f);
glTexCoord2f( 0.0f, 1.0f );
glVertex3f( PauseLeft, 116.0f, SetBack );
glTexCoord2f( 0.0f, PauseTexData.YDisp );
glVertex3f( PauseLeft, PauseBottom, SetBack );
glTexCoord2f( PauseTexData.XDisp, PauseTexData.YDisp );
glVertex3f( PauseRight, PauseBottom, SetBack);
glTexCoord2f( PauseTexData.XDisp, 1.0f );
glVertex3f( PauseRight, 116.0f, SetBack);
glEnd();
glDisable(GL_ALPHA_TEST);
glDisable(GL_TEXTURE_2D);
}
//
// D_DoomLoop
//
extern int demotype;
extern dboolean demorecording;
void D_DoomLoop (void)
{
// UNUSED
#if 0
if (demorecording)
G_BeginRecording ();
if (M_CheckParm ("-debugfile"))
{
char filename[20];
sprintf (filename,"debug%i.txt",consoleplayer);
//printf ("debug output to: %s\n",filename);
lfprintf("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.
D_Display ();
#ifndef SNDSERV
// Sound mixing for the buffer is snychronous.
//I_UpdateSound();
#endif
// Synchronous sound output is explicitly called.
#ifndef SNDINTR
// Update sound output.
//I_SubmitSound();
#endif
}
#endif
}
void MY_DoomSetup(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);
lfprintf("debug output to: %s\n",filename);
debugfile = fopen (filename,"w");
}
I_SetPalette (W_CacheLumpName("PLAYPAL", PU_CACHE));
//CreateGLPalette();
}
void MY_DoomLoop (void)
{
// frame syncronous IO operations
I_StartFrame();
// process one or more tics
if (singletics) // used for demos
{
I_StartTic();
D_ProcessEvents();
G_BuildTiccmd (&netcmds[consoleplayer][maketic%BACKUPTICS]);
if (advancedemo)
{
D_DoAdvanceDemo();
}
CO_Ticker();
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.
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)
{
int i;
long long *d;
d = (long long*)screens[0];
for (i = 0; i < ((SCREENWIDTH*SCREENHEIGHT)/8); i++)
d[i] = 0;
V_DrawPatch (((SCREENWIDTH-320)/2),((SCREENHEIGHT-200)/2), 0, W_CacheLumpName(pagename, PU_CACHE));
}
void GL_DrawFullScreen(GLTexData *Image);
void GL_PageDrawer (void)
{
GL_DrawFullScreen(glPageName);
}
//
// 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;
bShowTitle = false;
switch (demosequence)
{
case 0:
if ( gamemode == commercial )
pagetic = 35 * 11;
else
pagetic = 170;
gamestate = GS_DEMOSCREEN;
pagename = "TITLEPIC";
glPageName = glTitlePic;
if ( gamemode == commercial )
S_StartMusic(mus_dm2ttl);
else
S_StartMusic (mus_intro);
bShowTitle = true;
break;
case 1:
G_DeferedPlayDemo ("demo1");
break;
case 2:
pagetic = 200;
gamestate = GS_DEMOSCREEN;
pagename = "CREDIT";
glPageName = glCredit;
bShowTitle = true;
break;
case 3:
G_DeferedPlayDemo("demo2");
break;
case 4:
gamestate = GS_DEMOSCREEN;
if ( gamemode == commercial)
{
pagetic = 35 * 11;
pagename = "TITLEPIC";
glPageName = glTitlePic;
S_StartMusic(mus_dm2ttl);
}
else
{
pagetic = 200;
if ( gamemode == retail )
{
pagename = "CREDIT";
glPageName = glCredit;
}
else
{
pagename = "HELP2";
glPageName = glHelp2;
}
}
bShowTitle = true;
break;
case 5:
G_DeferedPlayDemo ("demo3");
break;
// THE DEFINITIVE DOOM Special Edition demo
case 6:
G_DeferedPlayDemo ("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;
}
// gets the filename from the pathname (extension included)
char *dirname(char *pathname)
{
char *c;
static char tpath[_MAX_PATH];
strcpy(tpath, pathname);
if ((c = strrchr(tpath, '\\')) != NULL)
{
c++;
*c = '\0';
}
else
if ((c = strrchr(tpath, '/')) != NULL)
{
c++;
*c = '\0';
}
else
{
strcat(tpath, "/");
}
return tpath;
}
// gets the filename from the pathname (extension included)
char *basename(char *pathname)
{
char *c;
if ((c = strrchr(pathname, '\\')) != NULL)
{
return(c+1);
}
if ((c = strrchr(pathname, '/')) != NULL)
{
return(c+1);
}
return pathname;
}
// gets the file name without the file extension
char *noext(char *pathname)
{
static char tstr[_MAX_PATH];
int i;
char *c;
if ((c = strrchr(pathname, '.')) != NULL)
{
i = (c - pathname);
strncpy(tstr, pathname, i);
tstr[i] = '\0';
return(tstr);
}
else
{
return(pathname);
}
}
dboolean CheckGameMode()
{
char name[10];
int e, m;
dboolean bValid;
e = W_CheckNumForName("playpal");
printf("Determining game mode...\n");
printf("Checking for Doom 2/Final Doom...\n");
// check for Doom2/Final Doom lumps here
for (m = 1, bValid = true; m < 33; m++)
{
sprintf(name, "MAP%02d", m);
if (W_CheckNumForName(name) < 0)
{
bValid = false;
break;
}
}
if ((bValid == false) && (m == 31))
{
// This may be the German version of Doom2 - No Wolfenstein stuff
bValid = true;
}
if ((bValid == true) && (W_CheckNumForName("interpic") >= 0))
{
gamemode = commercial;
return true;
}
if (gamemode == commercial)
{
printf("HEY! - This is NOT Doom 2 or Final Doom!!!\n");
}
printf("Checking for Ultimate Doom...\n");
// check for Ultimate Doom lumps here
for (e = 4, m = 1, bValid = true; m < 10; m++)
{
sprintf(name, "E%dM%d", e, m);
if (W_CheckNumForName(name) < 0)
{
bValid = false;
break;
}
}
if ((bValid == true) &&
(W_CheckNumForName("dphoof") >= 0) &&
(W_CheckNumForName("bfgga0") >= 0) &&
(W_CheckNumForName("heada1") >= 0) &&
(W_CheckNumForName("cybra1") >= 0) &&
(W_CheckNumForName("spida1d1") >= 0) &&
(W_CheckNumForName("m_epi4") >= 0))
{
gamemode = retail;
return true;
}
if (gamemode == retail)
{
printf("HEY! - This is NOT Ultimate Doom!!!\n");
}
printf("Checking for Registered Doom...\n");
// check for Registered Doom lumps here
for (e = 2, bValid = true; ((e < 4) && (bValid == true)); e++)
{
for (m = 1; m < 10; m++)
{
sprintf(name, "E%dM%d", e, m);
if (W_CheckNumForName(name) < 0)
{
bValid = false;
break;
}
}
}
if ((bValid == true) &&
(W_CheckNumForName("dphoof") >= 0) &&
(W_CheckNumForName("bfgga0") >= 0) &&
(W_CheckNumForName("heada1") >= 0) &&
(W_CheckNumForName("cybra1") >= 0) &&
(W_CheckNumForName("spida1d1") >= 0))
{
gamemode = registered;
return true;
}
if (gamemode == registered)
{
printf("HEY! - This is NOT the REGISTERED version of Doom!!!\n");
}
printf("Checking for Shareware Doom...\n");
// check for shareware lumps here
for (e = 1, m = 1, bValid = true; m < 10; m++)
{
sprintf(name, "e%dm%d", e, m);
if (W_CheckNumForName(name) < 0)
{
bValid = false;
}
}
if ((bValid == true) &&
(W_CheckNumForName("m_epi1") >= 0) &&
(W_CheckNumForName("m_epi2") >= 0) &&
(W_CheckNumForName("m_epi3") >= 0))
{
gamemode = shareware;
return true;
}
if (gamemode == registered)
{
printf("HEY! - This isn't even the SHAREWARE version of Doom!!!\n");
}
gamemode = undetermined;
return false;
}
typedef enum
{
gw_doomfr,
gw_commercial,
gw_tnt,
gw_plutonia,
gw_retail,
gw_registered,
gw_shareware,
gw_other
}gamewad_t;
int iGameModes[] = { commercial, commercial, commercial, commercial, retail, registered, shareware };
int iLanguages[] = { french, english, english, english, english, english, english };
char *szWadNames[] = { "doom2f", "doom2", "tnt", "plutonia", "doomu", "doom", "doom1" };
char *szGameNames[] = { "Doom 2 - French", // Not francaise - we speak ENGLISH here...
"Doom 2",
"Final Doom - TnT",
"Final Doom - Plutonia Experiment",
"Ultimate Doom",
"Registered Doom",
"Shareware Doom" };
//struct _finddata_t finddata;
long search_handle;
char *D_FindFirst( char *filespec )
{
/*if ((search_handle = _findfirst( filespec, &finddata)) != -1)
{
return finddata.name;
}
else
{