main/inferno.c

   1 /*
   2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   3 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   6 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   8 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
   9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  12 */
  13
  14 char copyright[] = "DESCENT II  COPYRIGHT (C) 1994-1996 PARALLAX SOFTWARE CORPORATION";
  15
  16 #include <conf.h>
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20
  21 #include "pstypes.h"
  22 #include "strutil.h"
  23 #include "console.h"
  24 #include "pa_enabl.h"       //$$POLY_ACC
  25 #include "gr.h"
  26 #include "fix.h"
  27 #include "vecmat.h"
  28 #include "mono.h"
  29 #include "key.h"
  30 #include "timer.h"
  31 #include "3d.h"
  32 #include "bm.h"
  33 #include "inferno.h"
  34 #include "error.h"
  35 #include "game.h"
  36 #include "segment.h"            //for Side_to_verts
  37 #include "u_mem.h"
  38 #include "segpoint.h"
  39 #include "screens.h"
  40 #include "texmap.h"
  41 #include "texmerge.h"
  42 #include "menu.h"
  43 #include "wall.h"
  44 #include "polyobj.h"
  45 #include "effects.h"
  46 #include "digi.h"
  47 #include "iff.h"
  48 #include "pcx.h"
  49 #include "palette.h"
  50 #include "args.h"
  51 #include "sounds.h"
  52 #include "titles.h"
  53 #include "player.h"
  54 #include "text.h"
  55 #include "ipx.h"
  56 #include "newdemo.h"
  57 #include "network.h"
  58 #include "modem.h"
  59 #include "gamefont.h"
  60 #include "kconfig.h"
  61 #include "mouse.h"
  62 #include "joy.h"
  63 #include "newmenu.h"
  64 #include "desc_id.h"
  65 #include "config.h"
  66 #include "joydefs.h"
  67 #include "multi.h"
  68 #include "songs.h"
  69 #include "cfile.h"
  70 #include "gameseq.h"
  71 #include "gamepal.h"
  72 #include "mission.h"
  73 #include "movie.h"
  74 #include "compbit.h"
  75
  76 // #  include "3dfx_des.h"
  77
  78 #if defined(POLY_ACC)
  79 #include "poly_acc.h"
  80 extern int Current_display_mode;        //$$ there's got to be a better way than hacking this.
  81 #endif
  82
  83 #ifdef EDITOR
  84 #include "editor\editor.h"
  85 #include "editor\kdefs.h"
  86 #include "ui.h"
  87 #endif
  88
  89 #ifdef SDL_INPUT
  90 #include <SDL/SDL.h>
  91 #endif
  92
  93 #include "vers_id.h"
  94
  95 void mem_init(void);
  96 void arch_init(void);
  97 void arch_init_start(void);
  98
  99 //Current version number
 100
 101 ubyte Version_major = 1;                //FULL VERSION
 102 ubyte Version_minor = 2;
 103
 104 static const char desc_id_checksum_str[] = DESC_ID_CHKSUM_TAG "0000";   //4-byte checksum
 105 char desc_id_exit_num = 0;
 106
 107 int Function_mode=FMODE_MENU;           //game or editor?
 108 int Screen_mode=-1;                                     //game screen or editor screen?
 109
 110 //--unused-- grs_bitmap Inferno_bitmap_title;
 111
 112 int WVIDEO_running=0;           //debugger can set to 1 if running
 113
 114 #ifdef EDITOR
 115 int Inferno_is_800x600_available = 0;
 116 #endif
 117
 118 //--unused-- int Cyberman_installed=0;                  // SWIFT device present
 119 ubyte CybermouseActive=0;
 120
 121 int __far descent_critical_error_handler( unsigned deverr, unsigned errcode, unsigned __far * devhdr );
 122
 123 void check_joystick_calibration(void);
 124
 125
 126 //--------------------------------------------------------------------------
 127
 128 extern int piggy_low_memory;
 129
 130
 131 int descent_critical_error = 0;
 132 unsigned descent_critical_deverror = 0;
 133 unsigned descent_critical_errcode = 0;
 134
 135 extern int Network_allow_socket_changes;
 136
 137 extern void vfx_set_palette_sub(ubyte *);
 138
 139 extern int VR_low_res;
 140
 141 extern int Config_vr_type;
 142 extern int Config_vr_resolution;
 143 extern int Config_vr_tracking;
 144 int grd_fades_disabled=1;
 145
 146 #define LINE_LEN        100
 147
 148 void do_joystick_init()
 149 {
 150
 151
 152         if (!FindArg( "-nojoystick" ))  {
 153                 con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_6);
 154                 joy_init();
 155                 if ( FindArg( "-joyslow" ))     {
 156                         con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_7);
 157                         joy_set_slow_reading(JOY_SLOW_READINGS);
 158                 }
 159                 if ( FindArg( "-joypolled" ))   {
 160                         con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_8);
 161                         joy_set_slow_reading(JOY_POLLED_READINGS);
 162                 }
 163                 if ( FindArg( "-joybios" ))     {
 164                         con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_9);
 165                         joy_set_slow_reading(JOY_BIOS_READINGS);
 166                 }
 167
 168         //      Added from Descent v1.5 by John.  Adapted by Samir.
 169         } else {
 170                 con_printf(CON_VERBOSE, "\n%s", TXT_VERBOSE_10);
 171         }
 172 }
 173
 174 //set this to force game to run in low res
 175 int disable_high_res=0;
 176
 177 void do_register_player(ubyte *title_pal)
 178 {
 179         Players[Player_num].callsign[0] = '\0';
 180
 181         if (!Auto_demo)         {
 182
 183                 key_flush();
 184
 185                 //now, before we bring up the register player menu, we need to
 186                 //do some stuff to make sure the palette is ok.  First, we need to
 187                 //get our current palette into the 2d's array, so the remapping will
 188                 //work.  Second, we need to remap the fonts.  Third, we need to fill
 189                 //in part of the fade tables so the darkening of the menu edges works
 190
 191                 memcpy(gr_palette,title_pal,sizeof(gr_palette));
 192                 remap_fonts_and_menus(1);
 193                 RegisterPlayer();               //get player's name
 194         }
 195
 196 }
 197
 198 #ifdef NETWORK
 199 void do_network_init()
 200 {
 201         if (!FindArg( "-nonetwork" ))   {
 202                 int socket=0, showaddress=0, t;
 203                 int ipx_error;
 204
 205                 con_printf(CON_VERBOSE, "\n%s ", TXT_INITIALIZING_NETWORK);
 206                 if ((t=FindArg("-socket")))
 207                         socket = atoi( Args[t+1] );
 208                 //@@if ( FindArg("-showaddress") ) showaddress=1;
 209                 if ((ipx_error=ipx_init(IPX_DEFAULT_SOCKET+socket,showaddress))==0)     {
 210                         con_printf(CON_VERBOSE, "%s %d.\n", TXT_IPX_CHANNEL, socket );
 211                         Network_active = 1;
 212                 } else {
 213                         switch( ipx_error )     {
 214                         case 3:         con_printf(CON_VERBOSE, "%s\n", TXT_NO_NETWORK); break;
 215                         case -2: con_printf(CON_VERBOSE, "%s 0x%x.\n", TXT_SOCKET_ERROR, IPX_DEFAULT_SOCKET+socket); break;
 216                         case -4: con_printf(CON_VERBOSE, "%s\n", TXT_MEMORY_IPX ); break;
 217                         default:
 218                                 con_printf(CON_VERBOSE, "%s %d", TXT_ERROR_IPX, ipx_error );
 219                         }
 220                         con_printf(CON_VERBOSE, "%s\n",TXT_NETWORK_DISABLED);
 221                         Network_active = 0;             // Assume no network
 222                 }
 223                 ipx_read_user_file( "descent.usr" );
 224                 ipx_read_network_file( "descent.net" );
 225                 //@@if ( FindArg( "-dynamicsockets" ))
 226                 //@@    Network_allow_socket_changes = 1;
 227                 //@@else
 228                 //@@    Network_allow_socket_changes = 0;
 229         } else {
 230                 con_printf(CON_VERBOSE, "%s\n", TXT_NETWORK_DISABLED);
 231                 Network_active = 0;             // Assume no network
 232         }
 233 }
 234 #endif
 235
 236 #ifdef SHAREARE
 237 #define PROGNAME "d2demo"
 238 #else
 239 #define PROGNAME "d2"
 240 #endif
 241
 242 extern char Language[];
 243
 244 //can we do highres menus?
 245 extern int MenuHiresAvailable;
 246
 247 #ifdef D2_OEM
 248 int intro_played = 0;
 249 #endif
 250
 251 int open_movie_file(char *filename,int must_have);
 252
 253 #if defined(POLY_ACC)
 254 #define MENU_HIRES_MODE SM_640x480x15xPA
 255 #else
 256 #define MENU_HIRES_MODE SM(640,480)
 257 #endif
 258
 259 //      DESCENT II by Parallax Software
 260 //              Descent Main
 261
 262 //extern ubyte gr_current_pal[];
 263
 264 #ifdef  EDITOR
 265 int     Auto_exit = 0;
 266 char    Auto_file[128] = "";
 267 #endif
 268
 269 int main(int argc,char **argv)
 270 {
 271         int i,t;
 272         ubyte title_pal[768];
 273
 274
 275         con_init();  // Initialise the console
 276         mem_init();
 277
 278         error_init(NULL, NULL);
 279
 280         args_init( argc,argv );
 281
 282         if ( FindArg( "-debug") )
 283         {
 284                 con_threshold.value = (float)2;
 285
 286         } else
 287                 if ( FindArg( "-verbose" ) )
 288                 {
 289                         con_threshold.value = (float)1;
 290                 }
 291
 292         arch_init_start();
 293
 294         arch_init();
 295
 296         //tell cfile about our counter
 297         cfile_set_critical_error_counter_ptr(&descent_critical_error);
 298
 299         #ifdef SHAREWARE
 300                 cfile_init("d2demo.hog");                       //specify name of hogfile
 301         #else
 302         #define HOGNAME "descent2.hog"
 303         if (! cfile_init(HOGNAME)) {            //didn't find HOG.  Check on CD
 304                 #ifdef RELEASE
 305                         Error("Could not find required file <%s>",HOGNAME);
 306                 #endif
 307         }
 308         #endif
 309
 310         load_text();
 311
 312         //print out the banner title
 313         con_printf(CON_NORMAL, "\nDESCENT 2 %s v%d.%d",VERSION_TYPE,Version_major,Version_minor);
 314         con_printf(CON_NORMAL, "  %s %s\n", __DATE__,__TIME__);
 315         con_printf(CON_NORMAL, "%s\n%s\n",TXT_COPYRIGHT,TXT_TRADEMARK);
 316         con_printf(CON_NORMAL, "This is a MODIFIED version of Descent 2. Copyright (c) 1999 Peter Hawkins\n");
 317
 318
 319         if (FindArg( "-?" ) || FindArg( "-help" ) || FindArg( "?" ) ) {
 320                 //print_commandline_help();
 321                 set_exit_message("");
 322                 return(0);
 323         }
 324
 325         con_printf(CON_NORMAL, "\n");
 326         con_printf(CON_NORMAL, TXT_HELP, PROGNAME);             //help message has %s for program name
 327         con_printf(CON_NORMAL, "\n");
 328
 329         con_printf(CON_VERBOSE, "\n%s...", "Checking for Descent 2 CD-ROM");
 330
 331         if ( FindArg( "-autodemo" ))
 332                 Auto_demo = 1;
 333
 334         if ( FindArg( "-noscreens" ) )
 335                 Skip_briefing_screens = 1;
 336
 337         Lighting_on = 1;
 338
 339 //      if (init_graphics()) return 1;
 340
 341         #ifdef EDITOR
 342         if (!Inferno_is_800x600_available)      {
 343                 con_printf(CON_NORMAL "The editor will not be available, press any key to start game...\n" );
 344                 Function_mode = FMODE_MENU;
 345         }
 346         #endif
 347
 348         if (!WVIDEO_running)
 349                 con_printf(CON_DEBUG,"WVIDEO_running = %d\n",WVIDEO_running);
 350
 351         con_printf (CON_VERBOSE, "%s", TXT_VERBOSE_1);
 352         ReadConfigFile();
 353
 354 #ifdef NETWORK
 355         do_network_init();
 356 #endif
 357
 358 #if defined(POLY_ACC)
 359     Current_display_mode = -1;
 360     game_init_render_buffers(SM_640x480x15xPA, 640, 480, VR_NONE, VRF_COMPATIBLE_MENUS+VRF_ALLOW_COCKPIT );
 361 #else
 362
 363         if (!VR_offscreen_buffer)       //if hasn't been initialied (by headset init)
 364                 set_display_mode(0);            //..then set default display mode
 365 #endif
 366
 367         i = FindArg( "-xcontrol" );
 368         if ( i > 0 )    {
 369                 kconfig_init_external_controls( strtol(Args[i+1], NULL, 0), strtol(Args[i+2], NULL, 0) );
 370         }
 371
 372         con_printf(CON_VERBOSE, "\n%s\n\n", TXT_INITIALIZING_GRAPHICS);
 373         if (FindArg("-nofade"))
 374                 grd_fades_disabled=1;
 375
 376         if ((t=gr_init())!=0)                           //doesn't do much
 377                 Error(TXT_CANT_INIT_GFX,t);
 378
 379    #ifdef _3DFX
 380    _3dfx_Init();
 381    #endif
 382
 383         // Load the palette stuff. Returns non-zero if error.
 384         con_printf(CON_DEBUG, "\nInitializing palette system..." );
 385    gr_use_palette_table(DEFAULT_PALETTE );
 386
 387         con_printf(CON_DEBUG, "\nInitializing font system..." );
 388         gamefont_init();        // must load after palette data loaded.
 389
 390         //determine whether we're using high-res menus & movies
 391 #if !defined(POLY_ACC)
 392         if (FindArg("-nohires") || FindArg("-nohighres") || (gr_check_mode(MENU_HIRES_MODE) != 0) || disable_high_res)
 393                 MovieHires = MenuHires = MenuHiresAvailable = 0;
 394         else
 395 #endif
 396                 //NOTE LINK TO ABOVE!
 397                 MenuHires = MenuHiresAvailable = 1;
 398
 399         con_printf( CON_DEBUG, "\nInitializing movie libraries..." );
 400         init_movies();          //init movie libraries
 401
 402         con_printf(CON_VERBOSE, "\nGoing into graphics mode...\n");
 403 #if defined(POLY_ACC)
 404         gr_set_mode(SM_640x480x15xPA);
 405 #else
 406         gr_set_mode(MovieHires?SM(640,480):SM(320,200));
 407 #endif
 408
 409         #ifndef RELEASE
 410         if ( FindArg( "-notitles" ) )
 411                 songs_play_song( SONG_TITLE, 1);
 412         else
 413         #endif
 414         {       //NOTE LINK TO ABOVE!
 415                 int played=MOVIE_NOT_PLAYED;    //default is not played
 416                 int song_playing = 0;
 417
 418                 #ifdef D2_OEM
 419                 #define MOVIE_REQUIRED 0
 420                 #else
 421                 #define MOVIE_REQUIRED 1
 422                 #endif
 423
 424 #ifdef D2_OEM   //$$POLY_ACC, jay.
 425                 {       //show bundler screens
 426                         FILE *tfile;
 427                         char filename[FILENAME_LEN];
 428
 429                         played=MOVIE_NOT_PLAYED;        //default is not played
 430
 431             played = PlayMovie("pre_i.mve",0);
 432
 433                         if (!played) {
 434                 strcpy(filename,MenuHires?"pre_i1b.pcx":"pre_i1.pcx");
 435
 436                                 while ((tfile=fopen(filename,"rb")) != NULL) {
 437                                         fclose(tfile);
 438                                         show_title_screen( filename, 1, 0 );
 439                     filename[5]++;
 440                                 }
 441                         }
 442                 }
 443 #endif
 444
 445                 #ifndef SHAREWARE
 446                         init_subtitles("intro.tex");
 447                         played = PlayMovie("intro.mve",MOVIE_REQUIRED);
 448                         close_subtitles();
 449                 #endif
 450
 451                 #ifdef D2_OEM
 452                 if (played != MOVIE_NOT_PLAYED)
 453                         intro_played = 1;
 454                 else {                                          //didn't get intro movie, try titles
 455
 456                         played = PlayMovie("titles.mve",MOVIE_REQUIRED);
 457
 458                         if (played == MOVIE_NOT_PLAYED) {
 459 #if defined(POLY_ACC)
 460             gr_set_mode(SM_640x480x15xPA);
 461 #else
 462                                 gr_set_mode(MenuHires?SM_640x480V:SM_320x200C);
 463 #endif
 464                                 con_printf( CON_DEBUG, "\nPlaying title song..." );
 465                                 songs_play_song( SONG_TITLE, 1);
 466                                 song_playing = 1;
 467                                 con_printf( CON_DEBUG, "\nShowing logo screens..." );
 468                                 show_title_screen( MenuHires?"iplogo1b.pcx":"iplogo1.pcx", 1, 1 );
 469                                 show_title_screen( MenuHires?"logob.pcx":"logo.pcx", 1, 1 );
 470                         }
 471                 }
 472
 473                 {       //show bundler movie or screens
 474
 475                         FILE *tfile;
 476                         char filename[FILENAME_LEN];
 477                         int movie_handle;
 478
 479                         played=MOVIE_NOT_PLAYED;        //default is not played
 480
 481                         //check if OEM movie exists, so we don't stop the music if it doesn't
 482                         movie_handle = open_movie_file("oem.mve",0);
 483                         if (movie_handle != -1) {
 484                                 close(movie_handle);
 485                                 played = PlayMovie("oem.mve",0);
 486                                 song_playing = 0;               //movie will kill sound
 487                         }
 488
 489                         if (!played) {
 490                                 strcpy(filename,MenuHires?"oem1b.pcx":"oem1.pcx");
 491
 492                                 while ((tfile=fopen(filename,"rb")) != NULL) {
 493                                         fclose(tfile);
 494                                         show_title_screen( filename, 1, 0 );
 495                                         filename[3]++;
 496                                 }
 497                         }
 498                 }
 499                 #endif
 500
 501                 if (!song_playing)
 502                         songs_play_song( SONG_TITLE, 1);
 503
 504         }
 505
 506    PA_DFX (pa_splash());
 507
 508         con_printf( CON_DEBUG, "\nShowing loading screen..." );
 509         {
 510                 //grs_bitmap title_bm;
 511                 int pcx_error;
 512                 char filename[14];
 513
 514                 #ifdef SHAREWARE
 515                 strcpy(filename, "descentd.pcx");
 516                 #else
 517                 #ifdef D2_OEM
 518                 strcpy(filename, MenuHires?"descntob.pcx":"descento.pcx");
 519                 #else
 520                 strcpy(filename, MenuHires?"descentb.pcx":"descent.pcx");
 521                 #endif
 522                 #endif
 523
 524 #if defined(POLY_ACC)
 525                 gr_set_mode(SM_640x480x15xPA);
 526 #else
 527                 gr_set_mode(MenuHires?SM(640,480):SM(320,200));
 528 #endif
 529
 530                 FontHires = MenuHires;
 531
 532                 if ((pcx_error=pcx_read_bitmap( filename, &grd_curcanv->cv_bitmap, grd_curcanv->cv_bitmap.bm_type, title_pal ))==PCX_ERROR_NONE)        {
 533                         //vfx_set_palette_sub( title_pal );
 534                         gr_palette_clear();
 535                         gr_palette_fade_in( title_pal, 32, 0 );
 536                 } else
 537                         Error( "Couldn't load pcx file '%s', PCX load error: %s\n",filename, pcx_errormsg(pcx_error));
 538         }
 539
 540         con_printf( CON_DEBUG , "\nDoing bm_init..." );
 541         #ifdef EDITOR
 542                 bm_init_use_tbl();
 543         #else
 544                 bm_init();
 545         #endif
 546
 547         #ifdef EDITOR
 548         if (FindArg("-hoarddata") != 0) {
 549                 #define MAX_BITMAPS_PER_BRUSH 30
 550                 grs_bitmap * bm[MAX_BITMAPS_PER_BRUSH];
 551                 grs_bitmap icon;
 552                 int nframes;
 553                 short nframes_short;
 554                 ubyte palette[256*3];
 555                 FILE *ofile;
 556                 int iff_error,i;
 557                 char *sounds[] = {"selforb.raw","selforb.r22",          //SOUND_YOU_GOT_ORB
 558                                                                 "teamorb.raw","teamorb.r22",            //SOUND_FRIEND_GOT_ORB
 559                                                                 "enemyorb.raw","enemyorb.r22",  //SOUND_OPPONENT_GOT_ORB
 560                                                                 "OPSCORE1.raw","OPSCORE1.r22"}; //SOUND_OPPONENT_HAS_SCORED
 561
 562                 ofile = fopen("hoard.ham","wb");
 563
 564            iff_error = iff_read_animbrush("orb.abm",bm,MAX_BITMAPS_PER_BRUSH,&nframes,palette);
 565                 Assert(iff_error == IFF_NO_ERROR);
 566                 nframes_short = nframes;
 567                 fwrite(&nframes_short,sizeof(nframes_short),1,ofile);
 568                 fwrite(&bm[0]->bm_w,sizeof(short),1,ofile);
 569                 fwrite(&bm[0]->bm_h,sizeof(short),1,ofile);
 570                 fwrite(palette,3,256,ofile);
 571                 for (i=0;i<nframes;i++)
 572                         fwrite(bm[i]->bm_data,1,bm[i]->bm_w*bm[i]->bm_h,ofile);
 573
 574            iff_error = iff_read_animbrush("orbgoal.abm",bm,MAX_BITMAPS_PER_BRUSH,&nframes,palette);
 575                 Assert(iff_error == IFF_NO_ERROR);
 576                 Assert(bm[0]->bm_w == 64 && bm[0]->bm_h == 64);
 577                 nframes_short = nframes;
 578                 fwrite(&nframes_short,sizeof(nframes_short),1,ofile);
 579                 fwrite(palette,3,256,ofile);
 580                 for (i=0;i<nframes;i++)
 581                         fwrite(bm[i]->bm_data,1,bm[i]->bm_w*bm[i]->bm_h,ofile);
 582
 583                 for (i=0;i<2;i++) {
 584                         iff_error = iff_read_bitmap(i?"orbb.bbm":"orb.bbm",&icon,BM_LINEAR,palette);
 585                         Assert(iff_error == IFF_NO_ERROR);
 586                         fwrite(&icon.bm_w,sizeof(short),1,ofile);
 587                         fwrite(&icon.bm_h,sizeof(short),1,ofile);
 588                         fwrite(palette,3,256,ofile);
 589                         fwrite(icon.bm_data,1,icon.bm_w*icon.bm_h,ofile);
 590                 }
 591
 592                 for (i=0;i<sizeof(sounds)/sizeof(*sounds);i++) {
 593                         FILE *ifile;
 594                         int size;
 595                         ubyte *buf;
 596                         ifile = fopen(sounds[i],"rb");
 597                         Assert(ifile != NULL);
 598                         size = filelength(ifile->_handle);
 599                         buf = d_malloc(size);
 600                         fread(buf,1,size,ifile);
 601                         fwrite(&size,sizeof(size),1,ofile);
 602                         fwrite(buf,1,size,ofile);
 603                         d_free(buf);
 604                         fclose(ifile);
 605                 }
 606
 607                 fclose(ofile);
 608
 609                 exit(1);
 610         }
 611         #endif
 612
 613         //the bitmap loading code changes gr_palette, so restore it
 614         memcpy(gr_palette,title_pal,sizeof(gr_palette));
 615
 616         if ( FindArg( "-norun" ) )
 617                 return(0);
 618
 619         con_printf( CON_DEBUG, "\nInitializing 3d system..." );
 620         g3_init();
 621
 622         con_printf( CON_DEBUG, "\nInitializing texture caching system..." );
 623         texmerge_init( 10 );            // 10 cache bitmaps
 624
 625         con_printf( CON_DEBUG, "\nRunning game...\n" );
 626         set_screen_mode(SCREEN_MENU);
 627
 628         init_game();
 629
 630         //      If built with editor, option to auto-load a level and quit game
 631         //      to write certain data.
 632         #ifdef  EDITOR
 633         {       int t;
 634         if ( t = FindArg( "-autoload" ) ) {
 635                 Auto_exit = 1;
 636                 strcpy(Auto_file, Args[t+1]);
 637         }
 638
 639         }
 640
 641         if (Auto_exit) {
 642                 strcpy(Players[0].callsign, "dummy");
 643         } else
 644         #endif
 645                 do_register_player(title_pal);
 646
 647         gr_palette_fade_out( title_pal, 32, 0 );
 648
 649         Game_mode = GM_GAME_OVER;
 650
 651         if (Auto_demo)  {
 652                 newdemo_start_playback("descent.dem");
 653                 if (Newdemo_state == ND_STATE_PLAYBACK )
 654                         Function_mode = FMODE_GAME;
 655         }
 656
 657         //do this here because the demo code can do a longjmp when trying to
 658         //autostart a demo from the main menu, never having gone into the game
 659         setjmp(LeaveGame);
 660
 661         while (Function_mode != FMODE_EXIT)
 662         {
 663                 switch( Function_mode ) {
 664                 case FMODE_MENU:
 665                         set_screen_mode(SCREEN_MENU);
 666                         if ( Auto_demo )        {
 667                                 newdemo_start_playback(NULL);           // Randomly pick a file
 668                                 if (Newdemo_state != ND_STATE_PLAYBACK)
 669                                         Error("No demo files were found for autodemo mode!");
 670                         } else {
 671                                 #ifdef EDITOR
 672                                 if (Auto_exit) {
 673                                         strcpy(&Level_names[0], Auto_file);
 674                                         LoadLevel(1, 1);
 675                                         Function_mode = FMODE_EXIT;
 676                                         break;
 677                                 }
 678                                 #endif
 679
 680                                 check_joystick_calibration();
 681                                 gr_palette_clear();             //I'm not sure why we need this, but we do
 682                                 DoMenu();
 683                                 #ifdef EDITOR
 684                                 if ( Function_mode == FMODE_EDITOR )    {
 685                                         create_new_mine();
 686                                         SetPlayerFromCurseg();
 687                                         load_palette(NULL,1,0);
 688                                 }
 689                                 #endif
 690                         }
 691                         break;
 692                 case FMODE_GAME:
 693                         #ifdef EDITOR
 694                                 keyd_editor_mode = 0;
 695                         #endif
 696
 697 #ifdef SDL_INPUT
 698                         /* keep the mouse from wandering in SDL/X11 */
 699                         if (FindArg("-grabmouse"))
 700                             SDL_WM_GrabInput(SDL_GRAB_ON);
 701
 702 #endif
 703
 704                         game();
 705
 706 #ifdef SDL_INPUT
 707                         /* give control back to the WM */
 708                         if (FindArg("-grabmouse"))
 709                             SDL_WM_GrabInput(SDL_GRAB_OFF);
 710 #endif
 711
 712                         if ( Function_mode == FMODE_MENU )
 713                                 songs_play_song( SONG_TITLE, 1 );
 714                         break;
 715                 #ifdef EDITOR
 716                 case FMODE_EDITOR:
 717                         keyd_editor_mode = 1;
 718                         editor();
 719                         _harderr( (void*)descent_critical_error_handler );              // Reinstall game error handler
 720                         if ( Function_mode == FMODE_GAME ) {
 721                                 Game_mode = GM_EDITOR;
 722                                 editor_reset_stuff_on_level();
 723                                 N_players = 1;
 724                         }
 725                         break;
 726                 #endif
 727                 default:
 728                         Error("Invalid function mode %d",Function_mode);
 729                 }
 730         }
 731
 732         WriteConfigFile();
 733
 734 #if 0 /* ????? */
 735         #ifndef RELEASE
 736         if (!FindArg( "-notitles" ))
 737         #endif
 738 #endif
 739
 740         #ifndef NDEBUG
 741         if ( FindArg( "-showmeminfo" ) )
 742                 show_mem_info = 1;              // Make memory statistics show
 743         #endif
 744
 745         return(0);              //presumably successful exit
 746 }
 747
 748
 749 void check_joystick_calibration()       {
 750         int x1, y1, x2, y2, c;
 751         fix t1;
 752
 753         if ( (Config_control_type!=CONTROL_JOYSTICK) &&
 754                   (Config_control_type!=CONTROL_FLIGHTSTICK_PRO) &&
 755                   (Config_control_type!=CONTROL_THRUSTMASTER_FCS) &&
 756                   (Config_control_type!=CONTROL_GRAVIS_GAMEPAD)
 757                 ) return;
 758
 759         joy_get_pos( &x1, &y1 );
 760
 761         t1 = timer_get_fixed_seconds();
 762         while( timer_get_fixed_seconds() < t1 + F1_0/100 )
 763                 ;
 764
 765         joy_get_pos( &x2, &y2 );
 766
 767         // If joystick hasn't moved...
 768         if ( (abs(x2-x1)<30) &&  (abs(y2-y1)<30) )      {
 769                 if ( (abs(x1)>30) || (abs(x2)>30) ||  (abs(y1)>30) || (abs(y2)>30) )    {
 770                         c = nm_messagebox( NULL, 2, TXT_CALIBRATE, TXT_SKIP, TXT_JOYSTICK_NOT_CEN );
 771                         if ( c==0 )     {
 772                                 joydefs_calibrate();
 773                         }
 774                 }
 775         }
 776
 777 }