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d_main.c
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d_main.c
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// D_main.c
#define BGCOLOR 7
#define FGCOLOR 8
#ifdef __WATCOMC__
#include <dos.h>
#include <io.h>
#include <stdlib.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"
//
// 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);
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 debugmode; // FS
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;
/* FS: For custom WAD stuff */
boolean plutonia = false;
boolean tnt = false;
boolean chex = false; /* FS: Chex(R) Quest */
boolean chex2 = false; // FS: Chex Quest 2 */
boolean perdgate = false; /* FS: Perdition's Gate */
boolean hacx = false; /* FS: HACX TC */
char wadfile[1024]; // primary wad file
char mapdir[1024]; // directory of development maps
char basedefault[1024]; // default file
/* FS: For all the Save, Convert, and Load game stuff */
extern int savegamesize;
extern int savestringsize;
extern menu_t SaveDef;
extern menu_t LoadDef;
int saveconvertslot;
boolean convertsave = false;
void D_CheckNetGame (void);
void D_ProcessEvents (void);
void G_BuildTiccmd (ticcmd_t* cmd);
void D_DoAdvanceDemo (void);
void mprintf(char *string); // FS: From OG Doom
#ifdef __WATCOMC__
void CleanExit(void) // FS: From Heretic
{
union REGS regs;
I_ShutdownKeyboard();
regs.x.eax = 0x3;
int386(0x10, ®s, ®s);
DEH_printf("DOOM Startup Aborted!\n");
exit(1);
}
#endif
void CheckAbortStartup(void) // FS: From Heretic
{
#ifdef __WATCOMC__
extern int lastpress;
if(lastpress == 1)
{ // Abort if escape pressed
CleanExit();
}
#endif
}
//
// 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);
}
//
// D_ProcessEvents
// Send all the events of the given timestamp down the responder chain
//
void D_ProcessEvents (void)
{
event_t* ev;
for ( ; eventtail != eventhead ; eventtail = (++eventtail)&(MAXEVENTS-1) )
{
ev = &events[eventtail];
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(nowipe) // FS: Skip drawing Wipes if we want
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 (); // FS: Not needed.
// 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 (DEH_String("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 (DEH_String("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)
{
if (fullscreen) // FS: Full screen new school
ST_Drawer (viewheight == 200, redrawsbar );
I_Update (); // page flip or blit buffer
return;
}
if (!inhelpscreensstate) // FS: Don't draw this if we're in the Read This! Menu, makes things a little faster.
{
// 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 (); // FS: Not needed.
M_Drawer (); // menu is drawn even on top of wipes
I_Update (); // 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);
DEH_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.
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 || chex) // FS: Chex Quest uses CREDIT
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 ();
}
#ifdef __WATCOMC__
//====================================================
//
// Print (in color) a string
//
//====================================================
int getx(void)
{
union REGS r;
r.h.ah = 3;
r.h.bh = 0;
int386(0x10,&r,&r);
return r.h.dl;
}
int gety(void)
{
union REGS r;
r.h.ah = 3;
r.h.bh = 0;
int386(0x10,&r,&r);
return r.h.dh;
}
void setxy(int x,int y)
{
union REGS r;
r.h.ah = 2;
r.h.bh = 0;
r.h.dh = y;
r.h.dl = x;
int386(0x10,&r,&r);
}
void dprint(char *string,int fg,int bg)
{
union REGS r;
int i,x,y;
char color;
color = (bg << 4) | fg;
x = getx();
y = gety();
for (i = 0; i < strlen(string); i++)
{
r.h.ah = 9;
r.h.al = string[i];
r.h.bh = 0;
r.h.bl = color;
r.w.cx = 1;
int386(0x10,&r,&r);
x++;
if (x > 79)
x = 0;
setxy(x,y);
}
}
#endif
// print title for every printed line
char title[128];
void mprintf(char *string)
{
#ifdef __WATCOMC__
int x;
int y;
#endif
printf(string);
#ifdef __WATCOMC__
x = getx();
y = gety();
setxy(0,0);
dprint (title,FGCOLOR,BGCOLOR);
setxy(x,y);
#endif
}
//
// D_AddFile
//
void D_AddFile (char *file)
{
char *newfile;
int numwadfiles;
for (numwadfiles = 0 ; wadfiles[numwadfiles] ; numwadfiles++)
;
newfile = malloc (strlen(file)+1);
strcpy (newfile, file);
wadfiles[numwadfiles] = newfile;
}
//
// IdentifyVersion
// Checks availability of IWAD files by name,
// to determine whether registered/commercial features
// should be executed (notably loading PWAD's).
//
void IdentifyVersion (void)
{
char doom1wad[10] = "doom1.wad";
char doomwad[9] = "doom.wad";
char doomuwad[10] = "doomu.wad";
char doom2wad[10] = "doom2.wad";
char doom2fwad[10] = "doom2f.wad";
char plutoniawad[13] = "plutonia.wad";
char tntwad[8] = "tnt.wad";
char chexwad[9] = "chex.wad"; // FS: Chex Quest 1
char chex2wad[10] = "chex2.wad"; // FS: Chex Quest 2
char hacxwad[9] = "hacx.wad"; // FS: For HACX
sprintf(basedefault, "default.cfg");
if (M_CheckParm ("-shdev"))
{
gamemode = shareware;
devparm = true;
D_AddFile (DEVDATA"doom1.wad");
D_AddFile (DEVMAPS"data_se/texture1.lmp");
D_AddFile (DEVMAPS"data_se/pnames.lmp");
strcpy (basedefault,DEVDATA"default.cfg");
return;
}
if (M_CheckParm ("-regdev"))
{
gamemode = registered;
devparm = true;
D_AddFile (DEVDATA"doom.wad");
D_AddFile (DEVMAPS"data_se/texture1.lmp");
D_AddFile (DEVMAPS"data_se/texture2.lmp");
D_AddFile (DEVMAPS"data_se/pnames.lmp");
strcpy (basedefault,DEVDATA"default.cfg");
return;
}
if (M_CheckParm ("-comdev"))
{
gamemode = commercial;
devparm = true;
D_AddFile (DEVDATA"doom2.wad");
D_AddFile (DEVMAPS"cdata/texture1.lmp");
D_AddFile (DEVMAPS"cdata/pnames.lmp");
strcpy (basedefault,DEVDATA"default.cfg");
strcpy(basedefault, "default.cfg");
return;
}
if (M_CheckParm ("-chex")) // FS: Chex Quest
{
gamemode = registered;
devparm = false;
chex = true;
strcpy(basedefault, "default.cfg");
D_AddFile("chex.wad");
return;
}
if (M_CheckParm ("-chex2")) // FS: Chex Quest 2
{
gamemode = registered;
devparm = false;
chex = true;
chex2 = true;
strcpy(basedefault, "default.cfg");
if ( !access (chexwad, 0) )
D_AddFile (chexwad);
else
I_Error("You need CHEX.WAD to play Chex Quest 2!");
D_AddFile("chex2.wad");
return;
}
if (M_CheckParm ("-tnt"))
{
gamemode = commercial;
devparm = false;
tnt = true; // FS
strcpy(basedefault, "default.cfg");
D_AddFile("tnt.wad");
return;
}
if (M_CheckParm ("-doom2"))
{
gamemode = commercial;
devparm = false;
strcpy(basedefault, "default.cfg");
D_AddFile("doom2.wad");
return;
}
if (M_CheckParm ("-helltopay") || M_CheckParm("-hell2pay")) // FS: Hell to pay commercial WAD
{
gamemode = commercial;
devparm = false;
strcpy(basedefault, "default.cfg");
D_AddFile("hell2pay.wad");
D_AddFile("htpdmo19.wad");
return;
}
if (M_CheckParm ("-perdgate")) // FS: Perdition's Gate commercial WAD
{
gamemode = commercial;
devparm = false;
perdgate = true;
strcpy(basedefault, "default.cfg");
D_AddFile("perdgate.wad");
D_AddFile("pgdemo19.WAD");
return;
}
if (M_CheckParm ("-hacx"))
{
gamemode = commercial;
devparm = false;
hacx = true;
strcpy(basedefault, "default.cfg");
D_AddFile("hacx.wad");
return;
}
if (M_CheckParm ("-doomu"))
{
gamemode = retail;
devparm = false;
strcpy(basedefault, "default.cfg");
D_AddFile("doomu.wad");
return;
}
if (M_CheckParm ("-plutonia"))
{
gamemode = commercial;
devparm = false;
plutonia = true; // FS
strcpy(basedefault, "default.cfg");
D_AddFile("plutonia.wad");
return;
}
if (M_CheckParm ("-doom"))
{
gamemode = registered;
devparm = false;
strcpy(basedefault, "default.cfg");
if (!access (doomwad,0)) // FS: Hack for 3-episode version from Ultimate WAD
D_AddFile("doom.wad");
else
D_AddFile("doomu.wad");
return;
}
if(M_CheckParm("-shareware"))
{
gamemode = shareware;
devparm = false;
strcpy(basedefault, "default.cfg");
D_AddFile("doom1.wad");
return;
}
if ( !access (doom2wad,0) )
{
gamemode = commercial;
D_AddFile (doom2wad);
return;
}
if ( !access (plutoniawad, 0) )
{
gamemode = commercial;
plutonia = true; // FS
D_AddFile (plutoniawad);
return;
}
if ( !access ( tntwad, 0) )
{
gamemode = commercial;
tnt = true; // FS
D_AddFile (tntwad);
return;
}
if ( !access (doomuwad,0) )
{
gamemode = retail;
D_AddFile (doomuwad);
return;
}
if ( !access (doomwad,0) )
{
W_AddFile (doomwad); // FS: Gotta add this earlier to check Ultimate Doom-ness
if (W_CheckNumForName("e4m1") != -1) // FS: If Episode 4 exists, then we assume it's Ultimate Doom
gamemode = retail;
else
gamemode = registered;
return;
}
if ( !access (doom1wad,0) )
{
gamemode = shareware;
D_AddFile (doom1wad);
return;
}
if ( !access (chexwad, 0) ) // FS: Chex Quest check
{
gamemode = registered;
chex = true;
chex2 = false;
D_AddFile (chexwad);
return;
}
printf("Game mode indeterminate\n");
exit(1);
}
//
// 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)
{
DEH_printf ("\nNo such response file!");
exit(1);
}
DEH_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
DEH_printf("%d command-line args:\n",myargc);
for (k=1;k<myargc;k++)
DEH_printf("%s\n",myargv[k]);
break;
}
}
//
// D_DoomMain
//
void D_DoomMain (void)
{
int p;
int e;
int m;
char file[256];
FILE *fp;
boolean devMap;
char *bannerbuffer; // FS
int lumpnum; // FS
FindResponseFile ();
devparm = M_CheckParm ("-devparm"); // FS: Needs to be sooner in case you use -regdev, etc.
// FS: Define a custom main WAD
p = M_CheckParm("-mainwad");
if(p)
{
sprintf(basedefault, "default.cfg");
wadfiles[0] = myargv[p+1];
W_AddFile(wadfiles[0]);
if(W_CheckNumForName("MAP01") != -1)
gamemode = commercial;
else if(W_CheckNumForName("E4M1") != -1)
gamemode = retail;
else if(W_CheckNumForName("E3M1") != -1)
gamemode = registered;
else if(W_CheckNumForName("E1M1") != -1)
gamemode = shareware;
else
I_Error("Unable to determine game version!");
}
else
IdentifyVersion ();
setbuf (stdout, NULL);
modifiedgame = false;
nomonsters = M_CheckParm ("-nomonsters");
respawnparm = M_CheckParm ("-respawn");
fastparm = M_CheckParm ("-fast");
if (M_CheckParm("-oldsave")) // FS: Use old save if we still have them
{
savegamesize = 0x2c000;
savestringsize = 24;
}
if (M_CheckParm ("-altdeath"))
deathmatch = 2;