main/piggy.c

   1 /* $Id: piggy.c,v 1.57 2004-12-01 08:24:55 btb Exp $ */
   2 /*
   3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
  10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  13 */
  14
  15 /*
  16  *
  17  * Functions for managing the pig files.
  18  *
  19  */
  20
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <conf.h>
  24 #endif
  25
  26 #ifdef RCS
  27 static char rcsid[] = "$Id: piggy.c,v 1.57 2004-12-01 08:24:55 btb Exp $";
  28 #endif
  29
  30
  31 #include <stdio.h>
  32 #include <string.h>
  33
  34 #include "pstypes.h"
  35 #include "strutil.h"
  36 #include "inferno.h"
  37 #include "gr.h"
  38 #include "u_mem.h"
  39 #include "iff.h"
  40 #include "mono.h"
  41 #include "error.h"
  42 #include "sounds.h"
  43 #include "songs.h"
  44 #include "bm.h"
  45 #include "bmread.h"
  46 #include "hash.h"
  47 #include "args.h"
  48 #include "palette.h"
  49 #include "gamefont.h"
  50 #include "rle.h"
  51 #include "screens.h"
  52 #include "piggy.h"
  53 #include "gamemine.h"
  54 #include "textures.h"
  55 #include "texmerge.h"
  56 #include "paging.h"
  57 #include "game.h"
  58 #include "text.h"
  59 #include "cfile.h"
  60 #include "newmenu.h"
  61 #include "byteswap.h"
  62 #include "findfile.h"
  63 #include "makesig.h"
  64
  65 #ifndef MACINTOSH
  66 //      #include "unarj.h"
  67 #else
  68         #include <Strings.h>            // MacOS Toolbox header
  69         #include <Files.h>
  70         #include <unistd.h>
  71 #endif
  72
  73 //#define NO_DUMP_SOUNDS        1   //if set, dump bitmaps but not sounds
  74
  75 #define DEFAULT_PIGFILE_REGISTERED      "groupa.pig"
  76 #define DEFAULT_PIGFILE_SHAREWARE       "d2demo.pig"
  77 #define DEFAULT_HAMFILE_REGISTERED      "descent2.ham"
  78 #define DEFAULT_HAMFILE_SHAREWARE       "d2demo.ham"
  79
  80 #define D1_PALETTE "palette.256"
  81
  82 #define DEFAULT_PIGFILE (cfexist(DEFAULT_PIGFILE_REGISTERED)?DEFAULT_PIGFILE_REGISTERED:DEFAULT_PIGFILE_SHAREWARE)
  83 #define DEFAULT_HAMFILE (cfexist(DEFAULT_HAMFILE_REGISTERED)?DEFAULT_HAMFILE_REGISTERED:DEFAULT_HAMFILE_SHAREWARE)
  84 #define DEFAULT_SNDFILE ((Piggy_hamfile_version < 3)?DEFAULT_HAMFILE_SHAREWARE:(digi_sample_rate==SAMPLE_RATE_22K)?"descent2.s22":"descent2.s11")
  85
  86 #define MAC_ALIEN1_PIGSIZE      5013035
  87 #define MAC_ALIEN2_PIGSIZE      4909916
  88 #define MAC_FIRE_PIGSIZE        4969035
  89 #define MAC_GROUPA_PIGSIZE      4929684 // also used for mac shareware
  90 #define MAC_ICE_PIGSIZE         4923425
  91 #define MAC_WATER_PIGSIZE       4832403
  92
  93 ubyte *BitmapBits = NULL;
  94 ubyte *SoundBits = NULL;
  95
  96 typedef struct BitmapFile {
  97         char    name[15];
  98 } BitmapFile;
  99
 100 typedef struct SoundFile {
 101         char    name[15];
 102 } SoundFile;
 103
 104 hashtable AllBitmapsNames;
 105 hashtable AllDigiSndNames;
 106
 107 int Num_bitmap_files = 0;
 108 int Num_sound_files = 0;
 109
 110 digi_sound GameSounds[MAX_SOUND_FILES];
 111 int SoundOffset[MAX_SOUND_FILES];
 112 grs_bitmap GameBitmaps[MAX_BITMAP_FILES];
 113
 114 alias alias_list[MAX_ALIASES];
 115 int Num_aliases=0;
 116
 117 int Must_write_hamfile = 0;
 118 int Num_bitmap_files_new = 0;
 119 int Num_sound_files_new = 0;
 120 BitmapFile AllBitmaps[ MAX_BITMAP_FILES ];
 121 static SoundFile AllSounds[ MAX_SOUND_FILES ];
 122
 123 int Piggy_hamfile_version = 0;
 124
 125 int piggy_low_memory = 0;
 126
 127 int Piggy_bitmap_cache_size = 0;
 128 int Piggy_bitmap_cache_next = 0;
 129 ubyte * Piggy_bitmap_cache_data = NULL;
 130 static int GameBitmapOffset[MAX_BITMAP_FILES];
 131 static ubyte GameBitmapFlags[MAX_BITMAP_FILES];
 132 ushort GameBitmapXlat[MAX_BITMAP_FILES];
 133
 134 #define PIGGY_BUFFER_SIZE (2400*1024)
 135
 136 #ifdef MACINTOSH
 137 #define PIGGY_SMALL_BUFFER_SIZE (1400*1024)             // size of buffer when piggy_low_memory is set
 138
 139 #ifdef SHAREWARE
 140 #undef PIGGY_BUFFER_SIZE
 141 #undef PIGGY_SMALL_BUFFER_SIZE
 142
 143 #define PIGGY_BUFFER_SIZE (2000*1024)
 144 #define PIGGY_SMALL_BUFFER_SIZE (1100 * 1024)
 145 #endif          // SHAREWARE
 146
 147 #endif
 148
 149 int piggy_page_flushed = 0;
 150
 151 #define DBM_FLAG_ABM    64 // animated bitmap
 152 #define DBM_NUM_FRAMES  63
 153
 154 #define BM_FLAGS_TO_COPY (BM_FLAG_TRANSPARENT | BM_FLAG_SUPER_TRANSPARENT \
 155                          | BM_FLAG_NO_LIGHTING | BM_FLAG_RLE | BM_FLAG_RLE_BIG)
 156
 157 typedef struct DiskBitmapHeader {
 158         char name[8];
 159         ubyte dflags;           // bits 0-5 anim frame num, bit 6 abm flag
 160         ubyte width;            // low 8 bits here, 4 more bits in wh_extra
 161         ubyte height;           // low 8 bits here, 4 more bits in wh_extra
 162         ubyte wh_extra;         // bits 0-3 width, bits 4-7 height
 163         ubyte flags;
 164         ubyte avg_color;
 165         int offset;
 166 } __pack__ DiskBitmapHeader;
 167
 168 #define DISKBITMAPHEADER_D1_SIZE 17 // no wh_extra
 169
 170 typedef struct DiskSoundHeader {
 171         char name[8];
 172         int length;
 173         int data_length;
 174         int offset;
 175 } __pack__ DiskSoundHeader;
 176
 177 #ifdef FAST_FILE_IO
 178 #define DiskBitmapHeader_read(dbh, fp) cfread(dbh, sizeof(DiskBitmapHeader), 1, fp)
 179 #define DiskSoundHeader_read(dsh, fp) cfread(dsh, sizeof(DiskSoundHeader), 1, fp)
 180 #else
 181 /*
 182  * reads a DiskBitmapHeader structure from a CFILE
 183  */
 184 void DiskBitmapHeader_read(DiskBitmapHeader *dbh, CFILE *fp)
 185 {
 186         cfread(dbh->name, 8, 1, fp);
 187         dbh->dflags = cfile_read_byte(fp);
 188         dbh->width = cfile_read_byte(fp);
 189         dbh->height = cfile_read_byte(fp);
 190         dbh->wh_extra = cfile_read_byte(fp);
 191         dbh->flags = cfile_read_byte(fp);
 192         dbh->avg_color = cfile_read_byte(fp);
 193         dbh->offset = cfile_read_int(fp);
 194 }
 195
 196 /*
 197  * reads a DiskSoundHeader structure from a CFILE
 198  */
 199 void DiskSoundHeader_read(DiskSoundHeader *dsh, CFILE *fp)
 200 {
 201         cfread(dsh->name, 8, 1, fp);
 202         dsh->length = cfile_read_int(fp);
 203         dsh->data_length = cfile_read_int(fp);
 204         dsh->offset = cfile_read_int(fp);
 205 }
 206 #endif // FAST_FILE_IO
 207
 208 /*
 209  * reads a descent 1 DiskBitmapHeader structure from a CFILE
 210  */
 211 void DiskBitmapHeader_d1_read(DiskBitmapHeader *dbh, CFILE *fp)
 212 {
 213         cfread(dbh->name, 8, 1, fp);
 214         dbh->dflags = cfile_read_byte(fp);
 215         dbh->width = cfile_read_byte(fp);
 216         dbh->height = cfile_read_byte(fp);
 217         dbh->wh_extra = 0;
 218         dbh->flags = cfile_read_byte(fp);
 219         dbh->avg_color = cfile_read_byte(fp);
 220         dbh->offset = cfile_read_int(fp);
 221 }
 222
 223 ubyte BigPig = 0;
 224
 225 #ifdef MACINTOSH
 226         extern short    cd_VRefNum;
 227         extern void             ConcatPStr(StringPtr dst, StringPtr src);
 228         extern int              ConvertPToCStr(StringPtr inPStr, char* outCStrBuf);
 229         extern int              ConvertCToPStr(char* inCStr, StringPtr outPStrBuf);
 230 #endif
 231
 232 int piggy_is_substitutable_bitmap( char * name, char * subst_name );
 233
 234 #ifdef EDITOR
 235 void piggy_write_pigfile(char *filename);
 236 static void write_int(int i,FILE *file);
 237 #endif
 238
 239 void swap_0_255(grs_bitmap *bmp)
 240 {
 241         int i;
 242
 243         for (i = 0; i < bmp->bm_h * bmp->bm_w; i++) {
 244                 if(bmp->bm_data[i] == 0)
 245                         bmp->bm_data[i] = 255;
 246                 else if (bmp->bm_data[i] == 255)
 247                         bmp->bm_data[i] = 0;
 248         }
 249 }
 250
 251 char* piggy_game_bitmap_name(grs_bitmap *bmp)
 252 {
 253         if (bmp >= GameBitmaps && bmp < &GameBitmaps[MAX_BITMAP_FILES])
 254         {
 255                 int i = bmp-GameBitmaps; // i = (bmp - GameBitmaps) / sizeof(grs_bitmap);
 256                 Assert (bmp == &GameBitmaps[i] && i >= 0 && i < MAX_BITMAP_FILES);
 257                 return AllBitmaps[i].name;
 258         }
 259         return NULL;
 260 }
 261
 262 bitmap_index piggy_register_bitmap( grs_bitmap * bmp, char * name, int in_file )
 263 {
 264         bitmap_index temp;
 265         Assert( Num_bitmap_files < MAX_BITMAP_FILES );
 266
 267         temp.index = Num_bitmap_files;
 268
 269         if (!in_file)   {
 270 #ifdef EDITOR
 271                 if ( FindArg("-macdata") )
 272                         swap_0_255( bmp );
 273 #endif
 274                 if ( !BigPig )  gr_bitmap_rle_compress( bmp );
 275                 Num_bitmap_files_new++;
 276         }
 277
 278         strncpy( AllBitmaps[Num_bitmap_files].name, name, 12 );
 279         hashtable_insert( &AllBitmapsNames, AllBitmaps[Num_bitmap_files].name, Num_bitmap_files );
 280         GameBitmaps[Num_bitmap_files] = *bmp;
 281         if ( !in_file ) {
 282                 GameBitmapOffset[Num_bitmap_files] = 0;
 283                 GameBitmapFlags[Num_bitmap_files] = bmp->bm_flags;
 284         }
 285         Num_bitmap_files++;
 286
 287         return temp;
 288 }
 289
 290 int piggy_register_sound( digi_sound * snd, char * name, int in_file )
 291 {
 292         int i;
 293
 294         Assert( Num_sound_files < MAX_SOUND_FILES );
 295
 296         strncpy( AllSounds[Num_sound_files].name, name, 12 );
 297         hashtable_insert( &AllDigiSndNames, AllSounds[Num_sound_files].name, Num_sound_files );
 298         GameSounds[Num_sound_files] = *snd;
 299         if ( !in_file ) {
 300                 SoundOffset[Num_sound_files] = 0;
 301         }
 302
 303         i = Num_sound_files;
 304
 305         if (!in_file)
 306                 Num_sound_files_new++;
 307
 308         Num_sound_files++;
 309         return i;
 310 }
 311
 312 bitmap_index piggy_find_bitmap( char * name )
 313 {
 314         bitmap_index bmp;
 315         int i;
 316         char *t;
 317
 318         bmp.index = 0;
 319
 320         if ((t=strchr(name,'#'))!=NULL)
 321                 *t=0;
 322
 323         for (i=0;i<Num_aliases;i++)
 324                 if (stricmp(name,alias_list[i].alias_name)==0) {
 325                         if (t) {                //extra stuff for ABMs
 326                                 static char temp[FILENAME_LEN];
 327                                 _splitpath(alias_list[i].file_name, NULL, NULL, temp, NULL );
 328                                 name = temp;
 329                                 strcat(name,"#");
 330                                 strcat(name,t+1);
 331                         }
 332                         else
 333                                 name=alias_list[i].file_name;
 334                         break;
 335                 }
 336
 337         if (t)
 338                 *t = '#';
 339
 340         i = hashtable_search( &AllBitmapsNames, name );
 341         Assert( i != 0 );
 342         if ( i < 0 )
 343                 return bmp;
 344
 345         bmp.index = i;
 346         return bmp;
 347 }
 348
 349 int piggy_find_sound( char * name )
 350 {
 351         int i;
 352
 353         i = hashtable_search( &AllDigiSndNames, name );
 354
 355         if ( i < 0 )
 356                 return 255;
 357
 358         return i;
 359 }
 360
 361 CFILE * Piggy_fp = NULL;
 362
 363 #define FILENAME_LEN 13
 364
 365 char Current_pigfile[FILENAME_LEN] = "";
 366
 367 void piggy_close_file()
 368 {
 369         if ( Piggy_fp ) {
 370                 cfclose( Piggy_fp );
 371                 Piggy_fp        = NULL;
 372                 Current_pigfile[0] = 0;
 373         }
 374 }
 375
 376 int Pigfile_initialized=0;
 377
 378 #define PIGFILE_ID              MAKE_SIG('G','I','P','P') //PPIG
 379 #define PIGFILE_VERSION         2
 380
 381 extern char CDROM_dir[];
 382
 383 int request_cd(void);
 384
 385
 386 #ifdef MACINTOSH
 387
 388 //copies a pigfile from the CD to the current dir
 389 //retuns file handle of new pig
 390 CFILE *copy_pigfile_from_cd(char *filename)             // MACINTOSH VERSION
 391 {
 392         // C Stuff
 393         char                    sourcePathAndFileCStr[255] = "";
 394         char                    destPathAndFileCStr[255]        = "";
 395         FILEFINDSTRUCT  find;
 396         FILE*                   sourceFile      = NULL;
 397         FILE*                   destFile        = NULL;
 398         const int               BUF_SIZE = 4096;
 399         ubyte                   buf[BUF_SIZE];
 400
 401         // Mac Stuff
 402         Str255                  sourcePathAndFilePStr = "\p";
 403         Str255                  destPathAndFilePStr = "\p";
 404         Str255                  pigfileNamePStr = "\p";
 405         HParamBlockRec  theSourcePigHFSParams;
 406         HParamBlockRec  theDestPigHFSParams;
 407         OSErr                   theErr = noErr;
 408         char                    oldDirCStr[255] = "";
 409
 410         getcwd(oldDirCStr, 255);
 411
 412         show_boxed_message("Copying bitmap data from CD...");
 413         gr_palette_load(gr_palette);    //I don't think this line is really needed
 414
 415         chdir(":Data");
 416         //First, delete all PIG files currently in the directory
 417         if( !FileFindFirst( "*.pig", &find ) )
 418         {
 419                 do
 420                 {
 421                         remove(find.name);
 422                 } while( !FileFindNext( &find ) );
 423
 424                 FileFindClose();
 425         }
 426         chdir(oldDirCStr);
 427
 428         //Now, copy over new pig
 429         songs_stop_redbook();           //so we can read off the cd
 430
 431         // make the source path "<cd volume>:Data:filename.pig"
 432 //MWA   ConvertCToPStr(filename, pigfileNamePStr);
 433
 434 //MWA   ConcatPStr(sourcePathAndFilePStr, "\pDescent II:Data:");        // volume ID is cd_VRefNum
 435 //MWA   ConcatPStr(sourcePathAndFilePStr, pigfileNamePStr);
 436
 437         strupr(filename);
 438         strcpy(sourcePathAndFileCStr, "Descent II:Data:");
 439         strcat(sourcePathAndFileCStr, filename);
 440
 441         // make the destination path "<default directory>:Data:filename.pig"
 442 //MWA   ConcatPStr(destPathAndFilePStr, "\p:Data:");
 443 //MWA   ConcatPStr(destPathAndFilePStr, pigfileNamePStr);
 444 //MWA   ConvertPToCStr(sourcePathAndFilePStr, sourcePathAndFileCStr);
 445 //MWA   ConvertPToCStr(destPathAndFilePStr, destPathAndFileCStr);
 446
 447         strcpy(destPathAndFileCStr, ":Data:");
 448         strcat(destPathAndFileCStr, filename);
 449
 450         strcpy(sourcePathAndFilePStr, sourcePathAndFileCStr);
 451         strcpy(destPathAndFilePStr, destPathAndFileCStr);
 452         c2pstr(sourcePathAndFilePStr);
 453         c2pstr(destPathAndFilePStr);
 454
 455         do {
 456                 // Open the source file
 457                 sourceFile = fopen(sourcePathAndFileCStr,"rb");
 458
 459                 if (!sourceFile) {
 460
 461                         if (request_cd() == -1)
 462                                 Error("Cannot load file <%s> from CD",filename);
 463                 }
 464
 465         } while (!sourceFile);
 466
 467
 468         // Get the time stamp from the source file
 469         theSourcePigHFSParams.fileParam.ioCompletion    = nil;
 470         theSourcePigHFSParams.fileParam.ioNamePtr               = sourcePathAndFilePStr;
 471         theSourcePigHFSParams.fileParam.ioVRefNum               = cd_VRefNum;
 472         theSourcePigHFSParams.fileParam.ioFDirIndex     = 0;
 473         theSourcePigHFSParams.fileParam.ioDirID         = 0;
 474
 475         theErr = PBHGetFInfo(&theSourcePigHFSParams, false);
 476         if (theErr != noErr)
 477         {
 478                 // Error getting file time stamp!! Why? JTS
 479                 Error("Can't get old file time stamp: <%s>\n", sourcePathAndFileCStr);
 480         }
 481
 482         // Copy the file over
 483         // C Stuff......
 484
 485         // Open the destination file
 486         destFile = fopen(destPathAndFileCStr,"wb");
 487         if (!destFile)
 488         {
 489                 Error("Cannot create file: <%s>\n", destPathAndFileCStr);
 490         }
 491
 492         // Copy bytes until the end of the source file
 493         while (!feof(sourceFile))
 494         {
 495                 int bytes_read;
 496                 int x;
 497
 498                 bytes_read = fread(buf,1,BUF_SIZE,sourceFile);
 499                 if (ferror(sourceFile))
 500                         Error("Cannot read from file <%s>: %s", sourcePathAndFileCStr, strerror(errno));
 501
 502 // Assert is bogus              Assert(bytes_read == BUF_SIZE || feof(sourceFile));
 503
 504                 fwrite(buf,1,bytes_read,destFile);
 505                 if (ferror(destFile))
 506                         Error("Cannot write to file <%s>: %s",destPathAndFileCStr, strerror(errno));
 507         }
 508
 509         // close the source/dest files
 510         if (fclose(sourceFile))
 511                 Error("Error closing file <%s>: %s", sourcePathAndFileCStr, strerror(errno));
 512         if (fclose(destFile))
 513                 Error("Error closing file <%s>: %s", destPathAndFileCStr, strerror(errno));
 514
 515         // Get the current hfs data for the new file
 516         theDestPigHFSParams.fileParam.ioCompletion      = nil;
 517         theDestPigHFSParams.fileParam.ioNamePtr         = destPathAndFilePStr;
 518         theDestPigHFSParams.fileParam.ioVRefNum         = 0;
 519         theDestPigHFSParams.fileParam.ioFDirIndex       = 0;
 520         theDestPigHFSParams.fileParam.ioDirID           = 0;
 521         theErr = PBHGetFInfo(&theDestPigHFSParams, false);
 522         if ((theErr != noErr) || (theDestPigHFSParams.fileParam.ioResult != noErr))
 523         {
 524                 // Error getting file time stamp!! Why? JTS
 525                 Error("Can't get destination pig file information: <%s>\n", destPathAndFileCStr);
 526         }
 527
 528         // Reset this data !!!!! or else the relative pathname won't work, could use just filename instead but, oh well.
 529         theDestPigHFSParams.fileParam.ioNamePtr         = destPathAndFilePStr;
 530         theDestPigHFSParams.fileParam.ioVRefNum         = 0;
 531         theDestPigHFSParams.fileParam.ioFDirIndex       = 0;
 532         theDestPigHFSParams.fileParam.ioDirID           = 0;
 533
 534         // Copy the time stamp from the source file info
 535         theDestPigHFSParams.fileParam.ioFlCrDat = theSourcePigHFSParams.fileParam.ioFlCrDat;
 536         theDestPigHFSParams.fileParam.ioFlMdDat = theSourcePigHFSParams.fileParam.ioFlMdDat;
 537         theDestPigHFSParams.fileParam.ioFlFndrInfo.fdType = 'PGGY';
 538         theDestPigHFSParams.fileParam.ioFlFndrInfo.fdCreator = 'DCT2';
 539
 540         // Set the dest file's time stamp to the source file's time stamp values
 541         theErr = PBHSetFInfo(&theDestPigHFSParams, false);
 542
 543         if ((theErr != noErr) || (theDestPigHFSParams.fileParam.ioResult != noErr))
 544         {
 545                 Error("Can't set destination pig file time stamp: <%s>\n", destPathAndFileCStr);
 546         }
 547
 548         theErr = PBHGetFInfo(&theDestPigHFSParams, false);
 549
 550         return cfopen(destPathAndFileCStr, "rb");
 551 }
 552
 553 #else   //PC Version of copy_pigfile_from_cd is below
 554
 555 //copies a pigfile from the CD to the current dir
 556 //retuns file handle of new pig
 557 CFILE *copy_pigfile_from_cd(char *filename)
 558 {
 559         char name[80];
 560         FILEFINDSTRUCT find;
 561         int ret;
 562
 563         return cfopen(filename, "rb");
 564         show_boxed_message("Copying bitmap data from CD...");
 565         gr_palette_load(gr_palette);    //I don't think this line is really needed
 566
 567         //First, delete all PIG files currently in the directory
 568
 569         if( !FileFindFirst( "*.pig", &find ) ) {
 570                 do      {
 571                         cfile_delete(find.name);
 572                 } while( !FileFindNext( &find ) );
 573                 FileFindClose();
 574         }
 575
 576         //Now, copy over new pig
 577
 578         songs_stop_redbook();           //so we can read off the cd
 579
 580         //new code to unarj file
 581         strcpy(name,CDROM_dir);
 582         strcat(name,"descent2.sow");
 583
 584         do {
 585 //              ret = unarj_specific_file(name,filename,filename);
 586 // DPH:FIXME
 587
 588                 ret = !EXIT_SUCCESS;
 589
 590                 if (ret != EXIT_SUCCESS) {
 591
 592                         //delete file, so we don't leave partial file
 593                         cfile_delete(filename);
 594
 595                         #ifndef MACINTOSH
 596                         if (request_cd() == -1)
 597                         #endif
 598                                 //NOTE LINK TO ABOVE IF
 599                                 Error("Cannot load file <%s> from CD",filename);
 600                 }
 601
 602         } while (ret != EXIT_SUCCESS);
 603
 604         return cfopen(filename, "rb");
 605 }
 606
 607 #endif // end of ifdef MAC around copy_pigfile_from_cd
 608
 609 //initialize a pigfile, reading headers
 610 //returns the size of all the bitmap data
 611 void piggy_init_pigfile(char *filename)
 612 {
 613         int i;
 614         char temp_name[16];
 615         char temp_name_read[16];
 616         grs_bitmap temp_bitmap;
 617         DiskBitmapHeader bmh;
 618         int header_size, N_bitmaps, data_size, data_start;
 619         #ifdef MACINTOSH
 620         char name[255];         // filename + path for the mac
 621         #endif
 622
 623         piggy_close_file();             //close old pig if still open
 624
 625         //rename pigfile for shareware
 626         if (stricmp(DEFAULT_PIGFILE, DEFAULT_PIGFILE_SHAREWARE) == 0 && !cfexist(filename))
 627                 filename = DEFAULT_PIGFILE_SHAREWARE;
 628
 629         #ifndef MACINTOSH
 630                 Piggy_fp = cfopen( filename, "rb" );
 631         #else
 632                 sprintf(name, ":Data:%s", filename);
 633                 Piggy_fp = cfopen( name, "rb" );
 634
 635                 #ifdef SHAREWARE        // if we are in the shareware version, we must have the pig by now.
 636                         if (Piggy_fp == NULL)
 637                         {
 638                                 Error("Cannot load required file <%s>",name);
 639                         }
 640                 #endif  // end of if def shareware
 641
 642         #endif
 643
 644         if (!Piggy_fp) {
 645                 #ifdef EDITOR
 646                         return;         //if editor, ok to not have pig, because we'll build one
 647                 #else
 648                         Piggy_fp = copy_pigfile_from_cd(filename);
 649                 #endif
 650         }
 651
 652         if (Piggy_fp) {                         //make sure pig is valid type file & is up-to-date
 653                 int pig_id,pig_version;
 654
 655                 pig_id = cfile_read_int(Piggy_fp);
 656                 pig_version = cfile_read_int(Piggy_fp);
 657                 if (pig_id != PIGFILE_ID || pig_version != PIGFILE_VERSION) {
 658                         cfclose(Piggy_fp);              //out of date pig
 659                         Piggy_fp = NULL;                        //..so pretend it's not here
 660                 }
 661         }
 662
 663         if (!Piggy_fp) {
 664
 665                 #ifdef EDITOR
 666                         return;         //if editor, ok to not have pig, because we'll build one
 667                 #else
 668                         Error("Cannot load required file <%s>",filename);
 669                 #endif
 670         }
 671
 672         strncpy(Current_pigfile,filename,sizeof(Current_pigfile));
 673
 674         N_bitmaps = cfile_read_int(Piggy_fp);
 675
 676         header_size = N_bitmaps * sizeof(DiskBitmapHeader);
 677
 678         data_start = header_size + cftell(Piggy_fp);
 679
 680         data_size = cfilelength(Piggy_fp) - data_start;
 681
 682         Num_bitmap_files = 1;
 683
 684         for (i=0; i<N_bitmaps; i++ )    {
 685                 DiskBitmapHeader_read(&bmh, Piggy_fp);
 686                 memcpy( temp_name_read, bmh.name, 8 );
 687                 temp_name_read[8] = 0;
 688                 if ( bmh.dflags & DBM_FLAG_ABM )
 689                         sprintf( temp_name, "%s#%d", temp_name_read, bmh.dflags & DBM_NUM_FRAMES );
 690                 else
 691                         strcpy( temp_name, temp_name_read );
 692                 memset( &temp_bitmap, 0, sizeof(grs_bitmap) );
 693                 temp_bitmap.bm_w = temp_bitmap.bm_rowsize = bmh.width + ((short) (bmh.wh_extra&0x0f)<<8);
 694                 temp_bitmap.bm_h = bmh.height + ((short) (bmh.wh_extra&0xf0)<<4);
 695                 temp_bitmap.bm_flags = BM_FLAG_PAGED_OUT;
 696                 temp_bitmap.avg_color = bmh.avg_color;
 697                 temp_bitmap.bm_data = Piggy_bitmap_cache_data;
 698
 699                 GameBitmapFlags[i+1] = bmh.flags & BM_FLAGS_TO_COPY;
 700
 701                 GameBitmapOffset[i+1] = bmh.offset + data_start;
 702                 Assert( (i+1) == Num_bitmap_files );
 703                 piggy_register_bitmap( &temp_bitmap, temp_name, 1 );
 704         }
 705
 706 #ifdef EDITOR
 707         Piggy_bitmap_cache_size = data_size + (data_size/10);   //extra mem for new bitmaps
 708         Assert( Piggy_bitmap_cache_size > 0 );
 709 #else
 710         Piggy_bitmap_cache_size = PIGGY_BUFFER_SIZE;
 711         #ifdef MACINTOSH
 712         if (piggy_low_memory)
 713                 Piggy_bitmap_cache_size = PIGGY_SMALL_BUFFER_SIZE;
 714         #endif
 715 #endif
 716         BitmapBits = d_malloc( Piggy_bitmap_cache_size );
 717         if ( BitmapBits == NULL )
 718                 Error( "Not enough memory to load bitmaps\n" );
 719         Piggy_bitmap_cache_data = BitmapBits;
 720         Piggy_bitmap_cache_next = 0;
 721
 722         #if defined(MACINTOSH) && defined(SHAREWARE)
 723 //      load_exit_models();
 724         #endif
 725
 726         Pigfile_initialized=1;
 727 }
 728
 729 #define FILENAME_LEN 13
 730 #define MAX_BITMAPS_PER_BRUSH 30
 731
 732 extern int compute_average_pixel(grs_bitmap *new);
 733
 734 ubyte *Bitmap_replacement_data = NULL;
 735
 736 //reads in a new pigfile (for new palette)
 737 //returns the size of all the bitmap data
 738 void piggy_new_pigfile(char *pigname)
 739 {
 740         int i;
 741         char temp_name[16];
 742         char temp_name_read[16];
 743         grs_bitmap temp_bitmap;
 744         DiskBitmapHeader bmh;
 745         int header_size, N_bitmaps, data_size, data_start;
 746         int must_rewrite_pig = 0;
 747         #ifdef MACINTOSH
 748         char name[255];
 749         #endif
 750
 751         strlwr(pigname);
 752
 753         //rename pigfile for shareware
 754         if (stricmp(DEFAULT_PIGFILE, DEFAULT_PIGFILE_SHAREWARE) == 0 && !cfexist(pigname))
 755                 pigname = DEFAULT_PIGFILE_SHAREWARE;
 756
 757         if (strnicmp(Current_pigfile, pigname, sizeof(Current_pigfile)) == 0 // correct pig already loaded
 758             && !Bitmap_replacement_data) // no need to reload: no bitmaps were altered
 759                 return;
 760
 761         if (!Pigfile_initialized) {                     //have we ever opened a pigfile?
 762                 piggy_init_pigfile(pigname);            //..no, so do initialization stuff
 763                 return;
 764         }
 765         else
 766                 piggy_close_file();             //close old pig if still open
 767
 768         Piggy_bitmap_cache_next = 0;            //free up cache
 769
 770         strncpy(Current_pigfile,pigname,sizeof(Current_pigfile));
 771
 772         #ifndef MACINTOSH
 773                 Piggy_fp = cfopen( pigname, "rb" );
 774         #else
 775                 sprintf(name, ":Data:%s", pigname);
 776                 Piggy_fp = cfopen( name, "rb" );
 777
 778                 #ifdef SHAREWARE        // if we are in the shareware version, we must have the pig by now.
 779                         if (Piggy_fp == NULL)
 780                         {
 781                                 Error("Cannot load required file <%s>",name);
 782                         }
 783                 #endif  // end of if def shareware
 784         #endif
 785
 786         #ifndef EDITOR
 787         if (!Piggy_fp)
 788                 Piggy_fp = copy_pigfile_from_cd(pigname);
 789         #endif
 790
 791         if (Piggy_fp) {  //make sure pig is valid type file & is up-to-date
 792                 int pig_id,pig_version;
 793
 794                 pig_id = cfile_read_int(Piggy_fp);
 795                 pig_version = cfile_read_int(Piggy_fp);
 796                 if (pig_id != PIGFILE_ID || pig_version != PIGFILE_VERSION) {
 797                         cfclose(Piggy_fp);              //out of date pig
 798                         Piggy_fp = NULL;                        //..so pretend it's not here
 799                 }
 800         }
 801
 802 #ifndef EDITOR
 803         if (!Piggy_fp)
 804                 Error("Cannot open correct version of <%s>", pigname);
 805 #endif
 806
 807         if (Piggy_fp) {
 808
 809                 N_bitmaps = cfile_read_int(Piggy_fp);
 810
 811                 header_size = N_bitmaps * sizeof(DiskBitmapHeader);
 812
 813                 data_start = header_size + cftell(Piggy_fp);
 814
 815                 data_size = cfilelength(Piggy_fp) - data_start;
 816
 817                 for (i=1; i<=N_bitmaps; i++ )   {
 818                         DiskBitmapHeader_read(&bmh, Piggy_fp);
 819                         memcpy( temp_name_read, bmh.name, 8 );
 820                         temp_name_read[8] = 0;
 821
 822                         if ( bmh.dflags & DBM_FLAG_ABM )
 823                                 sprintf( temp_name, "%s#%d", temp_name_read, bmh.dflags & DBM_NUM_FRAMES );
 824                         else
 825                                 strcpy( temp_name, temp_name_read );
 826
 827                         //Make sure name matches
 828                         if (strcmp(temp_name,AllBitmaps[i].name)) {
 829                                 //Int3();       //this pig is out of date.  Delete it
 830                                 must_rewrite_pig=1;
 831                         }
 832
 833                         strcpy(AllBitmaps[i].name,temp_name);
 834
 835                         memset( &temp_bitmap, 0, sizeof(grs_bitmap) );
 836
 837                         temp_bitmap.bm_w = temp_bitmap.bm_rowsize = bmh.width + ((short) (bmh.wh_extra&0x0f)<<8);
 838                         temp_bitmap.bm_h = bmh.height + ((short) (bmh.wh_extra&0xf0)<<4);
 839                         temp_bitmap.bm_flags = BM_FLAG_PAGED_OUT;
 840                         temp_bitmap.avg_color = bmh.avg_color;
 841                         temp_bitmap.bm_data = Piggy_bitmap_cache_data;
 842
 843                         GameBitmapFlags[i] = bmh.flags & BM_FLAGS_TO_COPY;
 844
 845                         GameBitmapOffset[i] = bmh.offset + data_start;
 846
 847                         GameBitmaps[i] = temp_bitmap;
 848                 }
 849         }
 850         else
 851                 N_bitmaps = 0;          //no pigfile, so no bitmaps
 852
 853         #ifndef EDITOR
 854
 855         Assert(N_bitmaps == Num_bitmap_files-1);
 856
 857         #else
 858
 859         if (must_rewrite_pig || (N_bitmaps < Num_bitmap_files-1)) {
 860                 int size;
 861
 862                 //re-read the bitmaps that aren't in this pig
 863
 864                 for (i=N_bitmaps+1;i<Num_bitmap_files;i++) {
 865                         char *p;
 866
 867                         p = strchr(AllBitmaps[i].name,'#');
 868
 869                         if (p) {   // this is an ABM == animated bitmap
 870                                 char abmname[FILENAME_LEN];
 871                                 int fnum;
 872                                 grs_bitmap * bm[MAX_BITMAPS_PER_BRUSH];
 873                                 int iff_error;          //reference parm to avoid warning message
 874                                 ubyte newpal[768];
 875                                 char basename[FILENAME_LEN];
 876                                 int nframes;
 877
 878                                 strcpy(basename,AllBitmaps[i].name);
 879                                 basename[p-AllBitmaps[i].name] = 0;  //cut off "#nn" part
 880
 881                                 sprintf( abmname, "%s.abm", basename );
 882
 883                                 iff_error = iff_read_animbrush(abmname,bm,MAX_BITMAPS_PER_BRUSH,&nframes,newpal);
 884
 885                                 if (iff_error != IFF_NO_ERROR)  {
 886                                         mprintf((1,"File %s - IFF error: %s",abmname,iff_errormsg(iff_error)));
 887                                         Error("File %s - IFF error: %s",abmname,iff_errormsg(iff_error));
 888                                 }
 889
 890                                 for (fnum=0;fnum<nframes; fnum++)       {
 891                                         char tempname[20];
 892                                         int SuperX;
 893
 894                                         sprintf( tempname, "%s#%d", basename, fnum );
 895
 896                                         //SuperX = (GameBitmaps[i+fnum].bm_flags&BM_FLAG_SUPER_TRANSPARENT)?254:-1;
 897                                         SuperX = (GameBitmapFlags[i+fnum]&BM_FLAG_SUPER_TRANSPARENT)?254:-1;
 898                                         //above makes assumption that supertransparent color is 254
 899
 900                                         if ( iff_has_transparency )
 901                                                 gr_remap_bitmap_good( bm[fnum], newpal, iff_transparent_color, SuperX );
 902                                         else
 903                                                 gr_remap_bitmap_good( bm[fnum], newpal, -1, SuperX );
 904
 905                                         bm[fnum]->avg_color = compute_average_pixel(bm[fnum]);
 906
 907 #ifdef EDITOR
 908                                         if ( FindArg("-macdata") )
 909                                                 swap_0_255( bm[fnum] );
 910 #endif
 911                                         if ( !BigPig ) gr_bitmap_rle_compress( bm[fnum] );
 912
 913                                         if (bm[fnum]->bm_flags & BM_FLAG_RLE)
 914                                                 size = *((int *) bm[fnum]->bm_data);
 915                                         else
 916                                                 size = bm[fnum]->bm_w * bm[fnum]->bm_h;
 917
 918                                         memcpy( &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next],bm[fnum]->bm_data,size);
 919                                         d_free(bm[fnum]->bm_data);
 920                                         bm[fnum]->bm_data = &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next];
 921                                         Piggy_bitmap_cache_next += size;
 922
 923                                         GameBitmaps[i+fnum] = *bm[fnum];
 924
 925                                         // -- mprintf( (0, "U" ));
 926                                         d_free( bm[fnum] );
 927                                 }
 928
 929                                 i += nframes-1;         //filled in multiple bitmaps
 930                         }
 931                         else {          //this is a BBM
 932
 933                                 grs_bitmap * new;
 934                                 ubyte newpal[256*3];
 935                                 int iff_error;
 936                                 char bbmname[FILENAME_LEN];
 937                                 int SuperX;
 938
 939                                 MALLOC( new, grs_bitmap, 1 );
 940
 941                                 sprintf( bbmname, "%s.bbm", AllBitmaps[i].name );
 942                                 iff_error = iff_read_bitmap(bbmname,new,BM_LINEAR,newpal);
 943
 944                                 new->bm_handle=0;
 945                                 if (iff_error != IFF_NO_ERROR)          {
 946                                         mprintf((1, "File %s - IFF error: %s",bbmname,iff_errormsg(iff_error)));
 947                                         Error("File %s - IFF error: %s",bbmname,iff_errormsg(iff_error));
 948                                 }
 949
 950                                 SuperX = (GameBitmapFlags[i]&BM_FLAG_SUPER_TRANSPARENT)?254:-1;
 951                                 //above makes assumption that supertransparent color is 254
 952
 953                                 if ( iff_has_transparency )
 954                                         gr_remap_bitmap_good( new, newpal, iff_transparent_color, SuperX );
 955                                 else
 956                                         gr_remap_bitmap_good( new, newpal, -1, SuperX );
 957
 958                                 new->avg_color = compute_average_pixel(new);
 959
 960 #ifdef EDITOR
 961                                 if ( FindArg("-macdata") )
 962                                         swap_0_255( new );
 963 #endif
 964                                 if ( !BigPig )  gr_bitmap_rle_compress( new );
 965
 966                                 if (new->bm_flags & BM_FLAG_RLE)
 967                                         size = *((int *) new->bm_data);
 968                                 else
 969                                         size = new->bm_w * new->bm_h;
 970
 971                                 memcpy( &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next],new->bm_data,size);
 972                                 d_free(new->bm_data);
 973                                 new->bm_data = &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next];
 974                                 Piggy_bitmap_cache_next += size;
 975
 976                                 GameBitmaps[i] = *new;
 977
 978                                 d_free( new );
 979
 980                                 // -- mprintf( (0, "U" ));
 981                         }
 982                 }
 983
 984                 //@@Dont' do these things which are done when writing
 985                 //@@for (i=0; i < Num_bitmap_files; i++ )       {
 986                 //@@    bitmap_index bi;
 987                 //@@    bi.index = i;
 988                 //@@    PIGGY_PAGE_IN( bi );
 989                 //@@}
 990                 //@@
 991                 //@@piggy_close_file();
 992
 993                 piggy_write_pigfile(pigname);
 994
 995                 Current_pigfile[0] = 0;                 //say no pig, to force reload
 996
 997                 piggy_new_pigfile(pigname);             //read in just-generated pig
 998
 999
1000         }
1001         #endif  //ifdef EDITOR
1002
1003 }
1004
1005 ubyte bogus_data[64*64];
1006 grs_bitmap bogus_bitmap;
1007 ubyte bogus_bitmap_initialized=0;
1008 digi_sound bogus_sound;
1009
1010 #define HAMFILE_ID              MAKE_SIG('!','M','A','H') //HAM!
1011 #define HAMFILE_VERSION 3
1012 //version 1 -> 2:  save marker_model_num
1013 //version 2 -> 3:  removed sound files
1014
1015 #define SNDFILE_ID              MAKE_SIG('D','N','S','D') //DSND
1016 #define SNDFILE_VERSION 1
1017
1018 int read_hamfile()
1019 {
1020         CFILE * ham_fp = NULL;
1021         int ham_id;
1022         int sound_offset = 0;
1023         #ifdef MACINTOSH
1024         char name[255];
1025         #endif
1026
1027         #ifndef MACINTOSH
1028         ham_fp = cfopen( DEFAULT_HAMFILE, "rb" );
1029         #else
1030         sprintf(name, ":Data:%s", DEFAULT_HAMFILE );
1031         ham_fp = cfopen( name, "rb" );
1032         #endif
1033
1034         if (ham_fp == NULL) {
1035                 Must_write_hamfile = 1;
1036                 return 0;
1037         }
1038
1039         //make sure ham is valid type file & is up-to-date
1040         ham_id = cfile_read_int(ham_fp);
1041         Piggy_hamfile_version = cfile_read_int(ham_fp);
1042         if (ham_id != HAMFILE_ID)
1043                 Error("Cannot open ham file %s\n", DEFAULT_HAMFILE);
1044 #if 0
1045         if (ham_id != HAMFILE_ID || Piggy_hamfile_version != HAMFILE_VERSION) {
1046                 Must_write_hamfile = 1;
1047                 cfclose(ham_fp);                                                //out of date ham
1048                 return 0;
1049         }
1050 #endif
1051
1052         if (Piggy_hamfile_version < 3) // hamfile contains sound info
1053                 sound_offset = cfile_read_int(ham_fp);
1054
1055         #ifndef EDITOR
1056         {
1057                 //int i;
1058
1059                 bm_read_all(ham_fp);
1060                 cfread( GameBitmapXlat, sizeof(ushort)*MAX_BITMAP_FILES, 1, ham_fp );
1061                 // no swap here?
1062                 //for (i = 0; i < MAX_BITMAP_FILES; i++) {
1063                         //GameBitmapXlat[i] = INTEL_SHORT(GameBitmapXlat[i]);
1064                         //printf("GameBitmapXlat[%d] = %d\n", i, GameBitmapXlat[i]);
1065                 //}
1066         }
1067         #endif
1068
1069         if (Piggy_hamfile_version < 3) {
1070                 int N_sounds;
1071                 int sound_start;
1072                 int header_size;
1073                 int i;
1074                 DiskSoundHeader sndh;
1075                 digi_sound temp_sound;
1076                 char temp_name_read[16];
1077                 int sbytes = 0;
1078
1079                 cfseek(ham_fp, sound_offset, SEEK_SET);
1080                 N_sounds = cfile_read_int(ham_fp);
1081
1082                 sound_start = cftell(ham_fp);
1083
1084                 header_size = N_sounds * sizeof(DiskSoundHeader);
1085
1086                 //Read sounds
1087
1088                 for (i=0; i<N_sounds; i++ ) {
1089                         DiskSoundHeader_read(&sndh, ham_fp);
1090                         temp_sound.length = sndh.length;
1091                         temp_sound.data = (ubyte *)(sndh.offset + header_size + sound_start);
1092                         SoundOffset[Num_sound_files] = sndh.offset + header_size + sound_start;
1093                         memcpy( temp_name_read, sndh.name, 8 );
1094                         temp_name_read[8] = 0;
1095                         piggy_register_sound( &temp_sound, temp_name_read, 1 );
1096 #ifdef MACINTOSH
1097                         if (piggy_is_needed(i))
1098 #endif          // note link to if.
1099                                 sbytes += sndh.length;
1100                         //mprintf(( 0, "%d bytes of sound\n", sbytes ));
1101                 }
1102
1103                 SoundBits = d_malloc( sbytes + 16 );
1104                 if ( SoundBits == NULL )
1105                         Error( "Not enough memory to load sounds\n" );
1106
1107                 mprintf(( 0, "\nBitmaps: %d KB   Sounds: %d KB\n", Piggy_bitmap_cache_size/1024, sbytes/1024 ));
1108
1109                 //      piggy_read_sounds(ham_fp);
1110
1111         }
1112
1113         cfclose(ham_fp);
1114
1115         return 1;
1116
1117 }
1118
1119 int read_sndfile()
1120 {
1121         CFILE * snd_fp = NULL;
1122         int snd_id,snd_version;
1123         int N_sounds;
1124         int sound_start;
1125         int header_size;
1126         int i,size, length;
1127         DiskSoundHeader sndh;
1128         digi_sound temp_sound;
1129         char temp_name_read[16];
1130         int sbytes = 0;
1131         #ifdef MACINTOSH
1132         char name[255];
1133         #endif
1134
1135         #ifndef MACINTOSH
1136         snd_fp = cfopen( DEFAULT_SNDFILE, "rb" );
1137         #else
1138         sprintf( name, ":Data:%s", DEFAULT_SNDFILE );
1139         snd_fp = cfopen( name, "rb");
1140         #endif
1141
1142         if (snd_fp == NULL)
1143                 return 0;
1144
1145         //make sure soundfile is valid type file & is up-to-date
1146         snd_id = cfile_read_int(snd_fp);
1147         snd_version = cfile_read_int(snd_fp);
1148         if (snd_id != SNDFILE_ID || snd_version != SNDFILE_VERSION) {
1149                 cfclose(snd_fp);                                                //out of date sound file
1150                 return 0;
1151         }
1152
1153         N_sounds = cfile_read_int(snd_fp);
1154
1155         sound_start = cftell(snd_fp);
1156         size = cfilelength(snd_fp) - sound_start;
1157         length = size;
1158         mprintf( (0, "\nReading data (%d KB) ", size/1024 ));
1159
1160         header_size = N_sounds*sizeof(DiskSoundHeader);
1161
1162         //Read sounds
1163
1164         for (i=0; i<N_sounds; i++ ) {
1165                 DiskSoundHeader_read(&sndh, snd_fp);
1166                 //size -= sizeof(DiskSoundHeader);
1167                 temp_sound.length = sndh.length;
1168                 temp_sound.data = (ubyte *)(sndh.offset + header_size + sound_start);
1169                 SoundOffset[Num_sound_files] = sndh.offset + header_size + sound_start;
1170                 memcpy( temp_name_read, sndh.name, 8 );
1171                 temp_name_read[8] = 0;
1172                 piggy_register_sound( &temp_sound, temp_name_read, 1 );
1173                 #ifdef MACINTOSH
1174                 if (piggy_is_needed(i))
1175                 #endif          // note link to if.
1176                 sbytes += sndh.length;
1177                 //mprintf(( 0, "%d bytes of sound\n", sbytes ));
1178         }
1179
1180         SoundBits = d_malloc( sbytes + 16 );
1181         if ( SoundBits == NULL )
1182                 Error( "Not enough memory to load sounds\n" );
1183
1184         mprintf(( 0, "\nBitmaps: %d KB   Sounds: %d KB\n", Piggy_bitmap_cache_size/1024, sbytes/1024 ));
1185
1186 //      piggy_read_sounds(snd_fp);
1187
1188         cfclose(snd_fp);
1189
1190         return 1;
1191 }
1192
1193 int piggy_init(void)
1194 {
1195         int ham_ok=0,snd_ok=0;
1196         int i;
1197
1198         hashtable_init( &AllBitmapsNames, MAX_BITMAP_FILES );
1199         hashtable_init( &AllDigiSndNames, MAX_SOUND_FILES );
1200
1201         for (i=0; i<MAX_SOUND_FILES; i++ )      {
1202                 GameSounds[i].length = 0;
1203                 GameSounds[i].data = NULL;
1204                 SoundOffset[i] = 0;
1205         }
1206
1207         for (i=0; i<MAX_BITMAP_FILES; i++ )
1208                 GameBitmapXlat[i] = i;
1209
1210         if ( !bogus_bitmap_initialized )        {
1211                 int i;
1212                 ubyte c;
1213                 bogus_bitmap_initialized = 1;
1214                 memset( &bogus_bitmap, 0, sizeof(grs_bitmap) );
1215                 bogus_bitmap.bm_w = bogus_bitmap.bm_h = bogus_bitmap.bm_rowsize = 64;
1216                 bogus_bitmap.bm_data = bogus_data;
1217                 c = gr_find_closest_color( 0, 0, 63 );
1218                 for (i=0; i<4096; i++ ) bogus_data[i] = c;
1219                 c = gr_find_closest_color( 63, 0, 0 );
1220                 // Make a big red X !
1221                 for (i=0; i<64; i++ )   {
1222                         bogus_data[i*64+i] = c;
1223                         bogus_data[i*64+(63-i)] = c;
1224                 }
1225                 piggy_register_bitmap( &bogus_bitmap, "bogus", 1 );
1226                 bogus_sound.length = 64*64;
1227                 bogus_sound.data = bogus_data;
1228                 GameBitmapOffset[0] = 0;
1229         }
1230
1231         if ( FindArg( "-bigpig" ))
1232                 BigPig = 1;
1233
1234         if ( FindArg( "-lowmem" ))
1235                 piggy_low_memory = 1;
1236
1237         if ( FindArg( "-nolowmem" ))
1238                 piggy_low_memory = 0;
1239
1240         if (piggy_low_memory)
1241                 digi_lomem = 1;
1242
1243         WIN(DDGRLOCK(dd_grd_curcanv));
1244                 gr_set_curfont( SMALL_FONT );
1245                 gr_set_fontcolor(gr_find_closest_color_current( 20, 20, 20 ),-1 );
1246                 gr_printf( 0x8000, grd_curcanv->cv_h-20, "%s...", TXT_LOADING_DATA );
1247         WIN(DDGRUNLOCK(dd_grd_curcanv));
1248
1249 #if 1 //def EDITOR //need for d1 mission briefings
1250         piggy_init_pigfile(DEFAULT_PIGFILE);
1251 #endif
1252
1253         snd_ok = ham_ok = read_hamfile();
1254
1255         if (Piggy_hamfile_version >= 3)
1256                 snd_ok = read_sndfile();
1257
1258         atexit(piggy_close);
1259
1260         mprintf ((0,"HamOk=%d SndOk=%d\n",ham_ok,snd_ok));
1261         return (ham_ok && snd_ok);               //read ok
1262 }
1263
1264 int piggy_is_needed(int soundnum)
1265 {
1266         int i;
1267
1268         if ( !digi_lomem ) return 1;
1269
1270         for (i=0; i<MAX_SOUNDS; i++ )   {
1271                 if ( (AltSounds[i] < 255) && (Sounds[AltSounds[i]] == soundnum) )
1272                         return 1;
1273         }
1274         return 0;
1275 }
1276
1277
1278 void piggy_read_sounds(void)
1279 {
1280         CFILE * fp = NULL;
1281         ubyte * ptr;
1282         int i, sbytes;
1283         #ifdef MACINTOSH
1284         char name[255];
1285         #endif
1286
1287         ptr = SoundBits;
1288         sbytes = 0;
1289
1290         #ifndef MACINTOSH
1291         fp = cfopen( DEFAULT_SNDFILE, "rb" );
1292         #else
1293         sprintf( name, ":Data:%s", DEFAULT_SNDFILE );
1294         fp = cfopen( name, "rb");
1295         #endif
1296
1297         if (fp == NULL)
1298                 return;
1299
1300         for (i=0; i<Num_sound_files; i++ )      {
1301                 digi_sound *snd = &GameSounds[i];
1302
1303                 if ( SoundOffset[i] > 0 )       {
1304                         if ( piggy_is_needed(i) )       {
1305                                 cfseek( fp, SoundOffset[i], SEEK_SET );
1306
1307                                 // Read in the sound data!!!
1308                                 snd->data = ptr;
1309                                 ptr += snd->length;
1310                                 sbytes += snd->length;
1311                                 cfread( snd->data, snd->length, 1, fp );
1312                         }
1313                         else
1314                                 snd->data = (ubyte *) -1;
1315                 }
1316         }
1317
1318         cfclose(fp);
1319
1320         mprintf(( 0, "\nActual Sound usage: %d KB\n", sbytes/1024 ));
1321
1322 }
1323
1324
1325 extern int descent_critical_error;
1326 extern unsigned descent_critical_deverror;
1327 extern unsigned descent_critical_errcode;
1328
1329 char * crit_errors[13] = { "Write Protected", "Unknown Unit", "Drive Not Ready", "Unknown Command", "CRC Error", \
1330 "Bad struct length", "Seek Error", "Unknown media type", "Sector not found", "Printer out of paper", "Write Fault", \
1331 "Read fault", "General Failure" };
1332
1333 void piggy_critical_error()
1334 {
1335         grs_canvas * save_canv;
1336         grs_font * save_font;
1337         int i;
1338         save_canv = grd_curcanv;
1339         save_font = grd_curcanv->cv_font;
1340         gr_palette_load( gr_palette );
1341         i = nm_messagebox( "Disk Error", 2, "Retry", "Exit", "%s\non drive %c:", crit_errors[descent_critical_errcode&0xf], (descent_critical_deverror&0xf)+'A'  );
1342         if ( i == 1 )
1343                 exit(1);
1344         gr_set_current_canvas(save_canv);
1345         grd_curcanv->cv_font = save_font;
1346 }
1347
1348 void piggy_bitmap_page_in( bitmap_index bitmap )
1349 {
1350         grs_bitmap * bmp;
1351         int i,org_i,temp;
1352
1353         org_i = 0;
1354
1355         i = bitmap.index;
1356         Assert( i >= 0 );
1357         Assert( i < MAX_BITMAP_FILES );
1358         Assert( i < Num_bitmap_files );
1359         Assert( Piggy_bitmap_cache_size > 0 );
1360
1361         if ( i < 1 ) return;
1362         if ( i >= MAX_BITMAP_FILES ) return;
1363         if ( i >= Num_bitmap_files ) return;
1364
1365         if ( GameBitmapOffset[i] == 0 ) return;         // A read-from-disk bitmap!!!
1366
1367         if ( piggy_low_memory ) {
1368                 org_i = i;
1369                 i = GameBitmapXlat[i];          // Xlat for low-memory settings!
1370         }
1371
1372         bmp = &GameBitmaps[i];
1373
1374         if ( bmp->bm_flags & BM_FLAG_PAGED_OUT )        {
1375                 stop_time();
1376
1377         ReDoIt:
1378                 descent_critical_error = 0;
1379                 cfseek( Piggy_fp, GameBitmapOffset[i], SEEK_SET );
1380                 if ( descent_critical_error )   {
1381                         piggy_critical_error();
1382                         goto ReDoIt;
1383                 }
1384
1385                 bmp->bm_data = &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next];
1386                 bmp->bm_flags = GameBitmapFlags[i];
1387
1388                 if ( bmp->bm_flags & BM_FLAG_RLE )      {
1389                         int zsize = 0, pigsize = cfilelength(Piggy_fp);
1390                         descent_critical_error = 0;
1391                         zsize = cfile_read_int(Piggy_fp);
1392                         if ( descent_critical_error )   {
1393                                 piggy_critical_error();
1394                                 goto ReDoIt;
1395                         }
1396
1397                         // GET JOHN NOW IF YOU GET THIS ASSERT!!!
1398                         //Assert( Piggy_bitmap_cache_next+zsize < Piggy_bitmap_cache_size );
1399                         if ( Piggy_bitmap_cache_next+zsize >= Piggy_bitmap_cache_size ) {
1400                                 Int3();
1401                                 piggy_bitmap_page_out_all();
1402                                 goto ReDoIt;
1403                         }
1404                         descent_critical_error = 0;
1405                         temp = cfread( &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next+4], 1, zsize-4, Piggy_fp );
1406                         if ( descent_critical_error )   {
1407                                 piggy_critical_error();
1408                                 goto ReDoIt;
1409                         }
1410
1411 #ifndef MACDATA
1412                         switch (pigsize) {
1413                         default:
1414                                 if (!FindArg("-macdata"))
1415                                         break;
1416                                 // otherwise, fall through...
1417                         case MAC_ALIEN1_PIGSIZE:
1418                         case MAC_ALIEN2_PIGSIZE:
1419                         case MAC_FIRE_PIGSIZE:
1420                         case MAC_GROUPA_PIGSIZE:
1421                         case MAC_ICE_PIGSIZE:
1422                         case MAC_WATER_PIGSIZE:
1423                                 rle_swap_0_255( bmp );
1424                                 memcpy(&zsize, bmp->bm_data, 4);
1425                                 break;
1426                         }
1427 #endif
1428
1429                         memcpy( &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next], &zsize, sizeof(int) );
1430                         Piggy_bitmap_cache_next += zsize;
1431                         if ( Piggy_bitmap_cache_next+zsize >= Piggy_bitmap_cache_size ) {
1432                                 Int3();
1433                                 piggy_bitmap_page_out_all();
1434                                 goto ReDoIt;
1435                         }
1436
1437                 } else {
1438                         int pigsize = cfilelength(Piggy_fp);
1439                         // GET JOHN NOW IF YOU GET THIS ASSERT!!!
1440                         Assert( Piggy_bitmap_cache_next+(bmp->bm_h*bmp->bm_w) < Piggy_bitmap_cache_size );
1441                         if ( Piggy_bitmap_cache_next+(bmp->bm_h*bmp->bm_w) >= Piggy_bitmap_cache_size ) {
1442                                 piggy_bitmap_page_out_all();
1443                                 goto ReDoIt;
1444                         }
1445                         descent_critical_error = 0;
1446                         temp = cfread( &Piggy_bitmap_cache_data[Piggy_bitmap_cache_next], 1, bmp->bm_h*bmp->bm_w, Piggy_fp );
1447                         if ( descent_critical_error )   {
1448                                 piggy_critical_error();
1449                                 goto ReDoIt;
1450                         }
1451                         Piggy_bitmap_cache_next+=bmp->bm_h*bmp->bm_w;
1452
1453 #ifndef MACDATA
1454                         switch (pigsize) {
1455                         default:
1456                                 if (!FindArg("-macdata"))
1457                                         break;
1458                                 // otherwise, fall through...
1459                         case MAC_ALIEN1_PIGSIZE:
1460                         case MAC_ALIEN2_PIGSIZE:
1461                         case MAC_FIRE_PIGSIZE:
1462                         case MAC_GROUPA_PIGSIZE:
1463                         case MAC_ICE_PIGSIZE:
1464                         case MAC_WATER_PIGSIZE:
1465                                 swap_0_255( bmp );
1466                                 break;
1467                         }
1468 #endif
1469                 }
1470
1471                 //@@if ( bmp->bm_selector ) {
1472                 //@@#if !defined(WINDOWS) && !defined(MACINTOSH)
1473                 //@@    if (!dpmi_modify_selector_base( bmp->bm_selector, bmp->bm_data ))
1474                 //@@            Error( "Error modifying selector base in piggy.c\n" );
1475                 //@@#endif
1476                 //@@}
1477
1478                 start_time();
1479         }
1480
1481         if ( piggy_low_memory ) {
1482                 if ( org_i != i )
1483                         GameBitmaps[org_i] = GameBitmaps[i];
1484         }
1485
1486 //@@Removed from John's code:
1487 //@@#ifndef WINDOWS
1488 //@@    if ( bmp->bm_selector ) {
1489 //@@            if (!dpmi_modify_selector_base( bmp->bm_selector, bmp->bm_data ))
1490 //@@                    Error( "Error modifying selector base in piggy.c\n" );
1491 //@@    }
1492 //@@#endif
1493
1494 }
1495
1496 void piggy_bitmap_page_out_all()
1497 {
1498         int i;
1499
1500         Piggy_bitmap_cache_next = 0;
1501
1502         piggy_page_flushed++;
1503
1504         texmerge_flush();
1505         rle_cache_flush();
1506
1507         for (i=0; i<Num_bitmap_files; i++ )             {
1508                 if ( GameBitmapOffset[i] > 0 )  {       // Don't page out bitmaps read from disk!!!
1509                         GameBitmaps[i].bm_flags = BM_FLAG_PAGED_OUT;
1510                         GameBitmaps[i].bm_data = Piggy_bitmap_cache_data;
1511                 }
1512         }
1513
1514         mprintf(( 0, "Flushing piggy bitmap cache\n" ));
1515 }
1516
1517 void piggy_load_level_data()
1518 {
1519         piggy_bitmap_page_out_all();
1520         paging_touch_all();
1521 }
1522
1523 #ifdef EDITOR
1524
1525 void change_filename_ext( char *dest, char *src, char *ext );
1526
1527 void piggy_write_pigfile(char *filename)
1528 {
1529         FILE *pig_fp;
1530         int bitmap_data_start, data_offset;
1531         DiskBitmapHeader bmh;
1532         int org_offset;
1533         char subst_name[32];
1534         int i;
1535         FILE *fp1,*fp2;
1536         char tname[FILENAME_LEN];
1537
1538         // -- mprintf( (0, "Paging in all piggy bitmaps..." ));
1539         for (i=0; i < Num_bitmap_files; i++ )   {
1540                 bitmap_index bi;
1541                 bi.index = i;
1542                 PIGGY_PAGE_IN( bi );
1543         }
1544         // -- mprintf( (0, "\n" ));
1545
1546         piggy_close_file();
1547
1548         // -- mprintf( (0, "Creating %s...",filename ));
1549
1550         pig_fp = fopen( filename, "wb" );       //open PIG file
1551         Assert( pig_fp!=NULL );
1552
1553         write_int(PIGFILE_ID,pig_fp);
1554         write_int(PIGFILE_VERSION,pig_fp);
1555
1556         Num_bitmap_files--;
1557         fwrite( &Num_bitmap_files, sizeof(int), 1, pig_fp );
1558         Num_bitmap_files++;
1559
1560         bitmap_data_start = ftell(pig_fp);
1561         bitmap_data_start += (Num_bitmap_files - 1) * sizeof(DiskBitmapHeader);
1562         data_offset = bitmap_data_start;
1563
1564         change_filename_ext(tname,filename,"lst");
1565         fp1 = fopen( tname, "wt" );
1566         change_filename_ext(tname,filename,"all");
1567         fp2 = fopen( tname, "wt" );
1568
1569         for (i=1; i < Num_bitmap_files; i++ )   {
1570                 int *size;
1571                 grs_bitmap *bmp;
1572
1573                 {
1574                         char * p, *p1;
1575                         p = strchr(AllBitmaps[i].name, '#');
1576                         if (p) {   // this is an ABM == animated bitmap
1577                                 int n;
1578                                 p1 = p; p1++;
1579                                 n = atoi(p1);
1580                                 *p = 0;
1581                                 if (fp2 && n==0)
1582                                         fprintf( fp2, "%s.abm\n", AllBitmaps[i].name );
1583                                 memcpy( bmh.name, AllBitmaps[i].name, 8 );
1584                                 Assert( n <= DBM_NUM_FRAMES );
1585                                 bmh.dflags = DBM_FLAG_ABM + n;
1586                                 *p = '#';
1587                         } else {
1588                                 if (fp2)
1589                                         fprintf( fp2, "%s.bbm\n", AllBitmaps[i].name );
1590                                 memcpy( bmh.name, AllBitmaps[i].name, 8 );
1591                                 bmh.dflags = 0;
1592                         }
1593                 }
1594                 bmp = &GameBitmaps[i];
1595
1596                 Assert( !(bmp->bm_flags&BM_FLAG_PAGED_OUT) );
1597
1598                 if (fp1)
1599                         fprintf( fp1, "BMP: %s, size %d bytes", AllBitmaps[i].name, bmp->bm_rowsize * bmp->bm_h );
1600                 org_offset = ftell(pig_fp);
1601                 bmh.offset = data_offset - bitmap_data_start;
1602                 fseek( pig_fp, data_offset, SEEK_SET );
1603
1604                 if ( bmp->bm_flags & BM_FLAG_RLE )      {
1605                         size = (int *)bmp->bm_data;
1606                         fwrite( bmp->bm_data, sizeof(ubyte), *size, pig_fp );
1607                         data_offset += *size;
1608                         if (fp1)
1609                                 fprintf( fp1, ", and is already compressed to %d bytes.\n", *size );
1610                 } else {
1611                         fwrite( bmp->bm_data, sizeof(ubyte), bmp->bm_rowsize * bmp->bm_h, pig_fp );
1612                         data_offset += bmp->bm_rowsize * bmp->bm_h;
1613                         if (fp1)
1614                                 fprintf( fp1, ".\n" );
1615                 }
1616                 fseek( pig_fp, org_offset, SEEK_SET );
1617                 Assert( GameBitmaps[i].bm_w < 4096 );
1618                 bmh.width = (GameBitmaps[i].bm_w & 0xff);
1619                 bmh.wh_extra = ((GameBitmaps[i].bm_w >> 8) & 0x0f);
1620                 Assert( GameBitmaps[i].bm_h < 4096 );
1621                 bmh.height = GameBitmaps[i].bm_h;
1622                 bmh.wh_extra |= ((GameBitmaps[i].bm_h >> 4) & 0xf0);
1623                 bmh.flags = GameBitmaps[i].bm_flags;
1624                 if (piggy_is_substitutable_bitmap( AllBitmaps[i].name, subst_name ))    {
1625                         bitmap_index other_bitmap;
1626                         other_bitmap = piggy_find_bitmap( subst_name );
1627                         GameBitmapXlat[i] = other_bitmap.index;
1628                         bmh.flags |= BM_FLAG_PAGED_OUT;
1629                         //mprintf(( 0, "Skipping bitmap %d\n", i ));
1630                         //mprintf(( 0, "Marking '%s' as substitutible\n", AllBitmaps[i].name ));
1631                 } else  {
1632                         bmh.flags &= ~BM_FLAG_PAGED_OUT;
1633                 }
1634                 bmh.avg_color=GameBitmaps[i].avg_color;
1635                 fwrite(&bmh, sizeof(DiskBitmapHeader), 1, pig_fp);  // Mark as a bitmap
1636         }
1637
1638         fclose(pig_fp);
1639
1640         mprintf( (0, " Dumped %d assorted bitmaps.\n", Num_bitmap_files ));
1641         fprintf( fp1, " Dumped %d assorted bitmaps.\n", Num_bitmap_files );
1642
1643         fclose(fp1);
1644         fclose(fp2);
1645
1646 }
1647
1648 static void write_int(int i,FILE *file)
1649 {
1650         if (fwrite( &i, sizeof(i), 1, file) != 1)
1651                 Error( "Error reading int in gamesave.c" );
1652
1653 }
1654
1655 void piggy_dump_all()
1656 {
1657         int i, xlat_offset;
1658         FILE * ham_fp;
1659         int org_offset,data_offset=0;
1660         DiskSoundHeader sndh;
1661         int sound_data_start=0;
1662         FILE *fp1,*fp2;
1663
1664         #ifdef NO_DUMP_SOUNDS
1665         Num_sound_files = 0;
1666         Num_sound_files_new = 0;
1667         #endif
1668
1669         if (!Must_write_hamfile && (Num_bitmap_files_new == 0) && (Num_sound_files_new == 0) )
1670                 return;
1671
1672         fp1 = fopen( "ham.lst", "wt" );
1673         fp2 = fopen( "ham.all", "wt" );
1674
1675         if (Must_write_hamfile || Num_bitmap_files_new) {
1676
1677                 mprintf( (0, "Creating %s...",DEFAULT_HAMFILE));
1678
1679                 ham_fp = fopen( DEFAULT_HAMFILE, "wb" );                       //open HAM file
1680                 Assert( ham_fp!=NULL );
1681
1682                 write_int(HAMFILE_ID,ham_fp);
1683                 write_int(HAMFILE_VERSION,ham_fp);
1684
1685                 bm_write_all(ham_fp);
1686                 xlat_offset = ftell(ham_fp);
1687                 fwrite( GameBitmapXlat, sizeof(ushort)*MAX_BITMAP_FILES, 1, ham_fp );
1688                 //Dump bitmaps
1689
1690                 if (Num_bitmap_files_new)
1691                         piggy_write_pigfile(DEFAULT_PIGFILE);
1692
1693                 //free up memeory used by new bitmaps
1694                 for (i=Num_bitmap_files-Num_bitmap_files_new;i<Num_bitmap_files;i++)
1695                         d_free(GameBitmaps[i].bm_data);
1696
1697                 //next thing must be done after pig written
1698                 fseek( ham_fp, xlat_offset, SEEK_SET );
1699                 fwrite( GameBitmapXlat, sizeof(ushort)*MAX_BITMAP_FILES, 1, ham_fp );
1700
1701                 fclose(ham_fp);
1702                 mprintf( (0, "\n" ));
1703         }
1704
1705         if (Num_sound_files_new) {
1706
1707                 mprintf( (0, "Creating %s...",DEFAULT_HAMFILE));
1708                 // Now dump sound file
1709                 ham_fp = fopen( DEFAULT_SNDFILE, "wb" );
1710                 Assert( ham_fp!=NULL );
1711
1712                 write_int(SNDFILE_ID,ham_fp);
1713                 write_int(SNDFILE_VERSION,ham_fp);
1714
1715                 fwrite( &Num_sound_files, sizeof(int), 1, ham_fp );
1716
1717                 mprintf( (0, "\nDumping sounds..." ));
1718
1719                 sound_data_start = ftell(ham_fp);
1720                 sound_data_start += Num_sound_files*sizeof(DiskSoundHeader);
1721                 data_offset = sound_data_start;
1722
1723                 for (i=0; i < Num_sound_files; i++ )    {
1724                         digi_sound *snd;
1725
1726                         snd = &GameSounds[i];
1727                         strcpy( sndh.name, AllSounds[i].name );
1728                         sndh.length = GameSounds[i].length;
1729                         sndh.offset = data_offset - sound_data_start;
1730
1731                         org_offset = ftell(ham_fp);
1732                         fseek( ham_fp, data_offset, SEEK_SET );
1733
1734                         sndh.data_length = GameSounds[i].length;
1735                         fwrite( snd->data, sizeof(ubyte), snd->length, ham_fp );
1736                         data_offset += snd->length;
1737                         fseek( ham_fp, org_offset, SEEK_SET );
1738                         fwrite( &sndh, sizeof(DiskSoundHeader), 1, ham_fp );                    // Mark as a bitmap
1739
1740                         fprintf( fp1, "SND: %s, size %d bytes\n", AllSounds[i].name, snd->length );
1741                         fprintf( fp2, "%s.raw\n", AllSounds[i].name );
1742                 }
1743
1744                 fclose(ham_fp);
1745                 mprintf( (0, "\n" ));
1746         }
1747
1748         fprintf( fp1, "Total sound size: %d bytes\n", data_offset-sound_data_start);
1749         mprintf( (0, " Dumped %d assorted sounds.\n", Num_sound_files ));
1750         fprintf( fp1, " Dumped %d assorted sounds.\n", Num_sound_files );
1751
1752         fclose(fp1);
1753         fclose(fp2);
1754
1755         // Never allow the game to run after building ham.
1756         exit(0);
1757 }
1758
1759 #endif
1760
1761 void piggy_close()
1762 {
1763         piggy_close_file();
1764
1765         if (BitmapBits)
1766                 d_free(BitmapBits);
1767
1768         if ( SoundBits )
1769                 d_free( SoundBits );
1770
1771         hashtable_free( &AllBitmapsNames );
1772         hashtable_free( &AllDigiSndNames );
1773
1774 }
1775
1776 int piggy_does_bitmap_exist_slow( char * name )
1777 {
1778         int i;
1779
1780         for (i=0; i<Num_bitmap_files; i++ )     {
1781                 if ( !strcmp( AllBitmaps[i].name, name) )
1782                         return 1;
1783         }
1784         return 0;
1785 }
1786
1787
1788 #define NUM_GAUGE_BITMAPS 23
1789 char * gauge_bitmap_names[NUM_GAUGE_BITMAPS] = {
1790         "gauge01", "gauge01b",
1791         "gauge02", "gauge02b",
1792         "gauge06", "gauge06b",
1793         "targ01", "targ01b",
1794         "targ02", "targ02b",
1795         "targ03", "targ03b",
1796         "targ04", "targ04b",
1797         "targ05", "targ05b",
1798         "targ06", "targ06b",
1799         "gauge18", "gauge18b",
1800         "gauss1", "helix1",
1801         "phoenix1"
1802 };
1803
1804
1805 int piggy_is_gauge_bitmap( char * base_name )
1806 {
1807         int i;
1808         for (i=0; i<NUM_GAUGE_BITMAPS; i++ )    {
1809                 if ( !stricmp( base_name, gauge_bitmap_names[i] ))
1810                         return 1;
1811         }
1812
1813         return 0;
1814 }
1815
1816 int piggy_is_substitutable_bitmap( char * name, char * subst_name )
1817 {
1818         int frame;
1819         char * p;
1820         char base_name[ 16 ];
1821
1822         strcpy( subst_name, name );
1823         p = strchr( subst_name, '#' );
1824         if ( p )        {
1825                 frame = atoi( &p[1] );
1826                 *p = 0;
1827                 strcpy( base_name, subst_name );
1828                 if ( !piggy_is_gauge_bitmap( base_name ))       {
1829                         sprintf( subst_name, "%s#%d", base_name, frame+1 );
1830                         if ( piggy_does_bitmap_exist_slow( subst_name )  )      {
1831                                 if ( frame & 1 ) {
1832                                         sprintf( subst_name, "%s#%d", base_name, frame-1 );
1833                                         return 1;
1834                                 }
1835                         }
1836                 }
1837         }
1838         strcpy( subst_name, name );
1839         return 0;
1840 }
1841
1842
1843
1844 #ifdef WINDOWS
1845 //      New Windows stuff
1846
1847 //      windows bitmap page in
1848 //              Page in a bitmap, if ddraw, then page it into a ddsurface in
1849 //              'video' memory.  if that fails, page it in normally.
1850
1851 void piggy_bitmap_page_in_w( bitmap_index bitmap, int ddraw )
1852 {
1853 }
1854
1855
1856 //      Essential when switching video modes!
1857
1858 void piggy_bitmap_page_out_all_w()
1859 {
1860 }
1861
1862 #endif // WINDOWS
1863
1864
1865 /*
1866  * Functions for loading replacement textures
1867  *  1) From .pog files
1868  *  2) From descent.pig (for loading d1 levels)
1869  */
1870
1871 extern void change_filename_extension( char *dest, char *src, char *new_ext );
1872 extern char last_palette_loaded_pig[];
1873
1874 void free_bitmap_replacements()
1875 {
1876         if (Bitmap_replacement_data) {
1877                 d_free(Bitmap_replacement_data);
1878                 Bitmap_replacement_data = NULL;
1879         }
1880 }
1881
1882 void load_bitmap_replacements(char *level_name)
1883 {
1884         char ifile_name[FILENAME_LEN];
1885         CFILE *ifile;
1886         int i;
1887
1888         //first, free up data allocated for old bitmaps
1889         free_bitmap_replacements();
1890
1891         change_filename_extension(ifile_name, level_name, ".POG" );
1892
1893         ifile = cfopen(ifile_name,"rb");
1894
1895         if (ifile) {
1896                 int id,version,n_bitmaps;
1897                 int bitmap_data_size;
1898                 ushort *indices;
1899
1900                 id = cfile_read_int(ifile);
1901                 version = cfile_read_int(ifile);
1902
1903                 if (id != MAKE_SIG('G','O','P','D') || version != 1) {
1904                         cfclose(ifile);
1905                         return;
1906                 }
1907
1908                 n_bitmaps = cfile_read_int(ifile);
1909
1910                 MALLOC( indices, ushort, n_bitmaps );
1911
1912                 for (i = 0; i < n_bitmaps; i++)
1913                         indices[i] = cfile_read_short(ifile);
1914
1915                 bitmap_data_size = cfilelength(ifile) - cftell(ifile) - sizeof(DiskBitmapHeader) * n_bitmaps;
1916                 MALLOC( Bitmap_replacement_data, ubyte, bitmap_data_size );
1917
1918                 for (i=0;i<n_bitmaps;i++) {
1919                         DiskBitmapHeader bmh;
1920                         grs_bitmap temp_bitmap;
1921
1922                         DiskBitmapHeader_read(&bmh, ifile);
1923
1924                         memset( &temp_bitmap, 0, sizeof(grs_bitmap) );
1925
1926                         temp_bitmap.bm_w = temp_bitmap.bm_rowsize = bmh.width + ((short) (bmh.wh_extra&0x0f)<<8);
1927                         temp_bitmap.bm_h = bmh.height + ((short) (bmh.wh_extra&0xf0)<<4);
1928                         temp_bitmap.avg_color = bmh.avg_color;
1929                         temp_bitmap.bm_data = Bitmap_replacement_data + bmh.offset;
1930
1931                         temp_bitmap.bm_flags |= bmh.flags & BM_FLAGS_TO_COPY;
1932
1933                         GameBitmaps[indices[i]] = temp_bitmap;
1934                         // don't we need the following? GameBitmapOffset[indices[i]] = 0; // don't try to read bitmap from current pigfile
1935                 }
1936
1937                 cfread(Bitmap_replacement_data,1,bitmap_data_size,ifile);
1938
1939                 d_free(indices);
1940
1941                 cfclose(ifile);
1942
1943                 last_palette_loaded_pig[0]= 0;  //force pig re-load
1944
1945                 texmerge_flush();       //for re-merging with new textures
1946         }
1947
1948         atexit(free_bitmap_replacements);
1949 }
1950
1951 /* calculate table to translate d1 bitmaps to current palette,
1952  * return -1 on error
1953  */
1954 int get_d1_colormap( ubyte *d1_palette, ubyte *colormap )
1955 {
1956         int freq[256];
1957         CFILE * palette_file = cfopen(D1_PALETTE, "rb");
1958         if (!palette_file || cfilelength(palette_file) != 9472)
1959                 return -1;
1960         cfread( d1_palette, 256, 3, palette_file);
1961         cfclose( palette_file );
1962         build_colormap_good( d1_palette, colormap, freq );
1963         // don't change transparencies:
1964         colormap[254] = 254;
1965         colormap[255] = 255;
1966         return 0;
1967 }
1968
1969 #define JUST_IN_CASE 132 /* is enough for d1 pc registered */
1970 void bitmap_read_d1( grs_bitmap *bitmap, /* read into this bitmap */
1971                      CFILE *d1_Piggy_fp, /* read from this file */
1972                      int bitmap_data_start, /* specific to file */
1973                      DiskBitmapHeader *bmh, /* header info for bitmap */
1974                      ubyte **next_bitmap, /* where to write it (if 0, use malloc) */
1975                      ubyte *d1_palette, /* what palette the bitmap has */
1976                      ubyte *colormap) /* how to translate bitmap's colors */
1977 {
1978         int zsize, pigsize = cfilelength(d1_Piggy_fp);
1979         memset( bitmap, 0, sizeof(grs_bitmap) );
1980
1981         bitmap->bm_w = bitmap->bm_rowsize = bmh->width + ((short) (bmh->wh_extra&0x0f)<<8);
1982         bitmap->bm_h = bmh->height + ((short) (bmh->wh_extra&0xf0)<<4);
1983         bitmap->avg_color = bmh->avg_color;
1984         bitmap->bm_flags |= bmh->flags & BM_FLAGS_TO_COPY;
1985
1986         cfseek(d1_Piggy_fp, bitmap_data_start + bmh->offset, SEEK_SET);
1987         if (bmh->flags & BM_FLAG_RLE) {
1988                 zsize = cfile_read_int(d1_Piggy_fp);
1989                 cfseek(d1_Piggy_fp, -4, SEEK_CUR);
1990         } else
1991                 zsize = bitmap->bm_h * bitmap->bm_w;
1992
1993         if (next_bitmap) {
1994                 bitmap->bm_data = *next_bitmap;
1995                 *next_bitmap += zsize;
1996         } else {
1997                 bitmap->bm_data = d_malloc(zsize + JUST_IN_CASE);
1998         }
1999         cfread(bitmap->bm_data, 1, zsize, d1_Piggy_fp);
2000         switch(pigsize) {
2001         case D1_MAC_PIGSIZE:
2002         case D1_MAC_SHARE_PIGSIZE:
2003                 if (bmh->flags & BM_FLAG_RLE)
2004                         rle_swap_0_255(bitmap);
2005                 else
2006                         swap_0_255(bitmap);
2007         }
2008         if (bmh->flags & BM_FLAG_RLE)
2009                 rle_remap(bitmap, colormap);
2010         else
2011                 gr_remap_bitmap_good(bitmap, d1_palette, TRANSPARENCY_COLOR, -1);
2012         if (bmh->flags & BM_FLAG_RLE) { // size of bitmap could have changed!
2013                 int new_size;
2014                 memcpy(&new_size, bitmap->bm_data, 4);
2015                 if (next_bitmap) {
2016                         *next_bitmap += new_size - zsize;
2017                 } else {
2018                         Assert( zsize + JUST_IN_CASE >= new_size );
2019                         bitmap->bm_data = d_realloc(bitmap->bm_data, new_size);
2020                         Assert(bitmap->bm_data);
2021                 }
2022         }
2023 }
2024
2025 #define D1_MAX_TEXTURES 800
2026 #define D1_MAX_TMAP_NUM 1630 // 1621 in descent.pig Mac registered
2027
2028 /* the inverse of the d2 Textures array, but for the descent 1 pigfile.
2029  * "Textures" looks up a d2 bitmap index given a d2 tmap_num.
2030  * "d1_tmap_nums" looks up a d1 tmap_num given a d1 bitmap. "-1" means "None".
2031  */
2032 short *d1_tmap_nums = NULL;
2033
2034 void free_d1_tmap_nums() {
2035         if (d1_tmap_nums) {
2036                 d_free(d1_tmap_nums);
2037                 d1_tmap_nums = NULL;
2038         }
2039 }
2040
2041 void bm_read_d1_tmap_nums(CFILE *d1pig)
2042 {
2043         int i, d1_index;
2044
2045         free_d1_tmap_nums();
2046         cfseek(d1pig, 8, SEEK_SET);
2047         MALLOC(d1_tmap_nums, short, D1_MAX_TMAP_NUM);
2048         for (i = 0; i < D1_MAX_TMAP_NUM; i++)
2049                 d1_tmap_nums[i] = -1;
2050         for (i = 0; i < D1_MAX_TEXTURES; i++) {
2051                 d1_index = cfile_read_short(d1pig);
2052                 Assert(d1_index >= 0 && d1_index < D1_MAX_TMAP_NUM);
2053                 d1_tmap_nums[d1_index] = i;
2054         }
2055         atexit(free_d1_tmap_nums);
2056 }
2057
2058 void remove_char( char * s, char c )
2059 {
2060         char *p;
2061         p = strchr(s,c);
2062         if (p) *p = '\0';
2063 }
2064
2065 #define REMOVE_EOL(s)           remove_char((s),'\n')
2066 #define REMOVE_COMMENTS(s)      remove_char((s),';')
2067 #define REMOVE_DOTS(s)          remove_char((s),'.')
2068 char *space = { " \t" };
2069 char *equal_space = { " \t=" };
2070
2071 // this function is at the same position in the d1 shareware piggy loading
2072 // algorithm as bm_load_sub in main/bmread.c
2073 int get_d1_bm_index(char *filename, CFILE *d1_pig) {
2074         int i, N_bitmaps;
2075         DiskBitmapHeader bmh;
2076         if (strchr (filename, '.'))
2077                 *strchr (filename, '.') = '\0'; // remove extension
2078         cfseek (d1_pig, 0, SEEK_SET);
2079         N_bitmaps = cfile_read_int (d1_pig);
2080         cfseek (d1_pig, 8, SEEK_SET);
2081         for (i = 1; i <= N_bitmaps; i++) {
2082                 DiskBitmapHeader_d1_read(&bmh, d1_pig);
2083                 if (!strnicmp(bmh.name, filename, 8))
2084                         return i;
2085         }
2086         return -1;
2087 }
2088
2089 // imitate the algorithm of bm_init_use_tbl in main/bmread.c
2090 void read_d1_tmap_nums_from_hog(CFILE *d1_pig)
2091 {
2092 #define LINEBUF_SIZE 600
2093         int reading_textures = 0;
2094         short texture_count = 0;
2095         char inputline[LINEBUF_SIZE];
2096         CFILE * bitmaps;
2097         int bitmaps_tbl_is_binary = 0;
2098         int i;
2099
2100         bitmaps = cfopen ("bitmaps.tbl", "rb");
2101         if (!bitmaps) {
2102                 bitmaps = cfopen ("bitmaps.bin", "rb");
2103                 bitmaps_tbl_is_binary = 1;
2104         }
2105
2106         if (!bitmaps) {
2107                 Warning ("Could not find bitmaps.* for reading d1 textures");
2108                 return;
2109         }
2110
2111         free_d1_tmap_nums();
2112         MALLOC(d1_tmap_nums, short, D1_MAX_TMAP_NUM);
2113         for (i = 0; i < D1_MAX_TMAP_NUM; i++)
2114                 d1_tmap_nums[i] = -1;
2115         atexit(free_d1_tmap_nums);
2116
2117         while (cfgets (inputline, LINEBUF_SIZE, bitmaps)) {
2118                 char *arg;
2119
2120                 if (bitmaps_tbl_is_binary)
2121                         decode_text_line((inputline));
2122                 else
2123                         while (inputline[(i=strlen(inputline))-2]=='\\')
2124                                 cfgets(inputline+i-2,LINEBUF_SIZE-(i-2), bitmaps); // strip comments
2125                 REMOVE_EOL(inputline);
2126                 if (strchr(inputline, ';')!=NULL) REMOVE_COMMENTS(inputline);
2127                 if (strlen(inputline) == LINEBUF_SIZE-1) {
2128                         Warning("Possible line truncation in BITMAPS.TBL");
2129                         return;
2130                 }
2131                 arg = strtok( inputline, space );
2132                 if (arg && arg[0] == '@') {
2133                         arg++;
2134                         //Registered_only = 1;
2135                 }
2136
2137                 while (arg != NULL) {
2138                         if (*arg == '$')
2139                                 reading_textures = 0; // default
2140                         if (!strcmp(arg, "$TEXTURES")) // BM_TEXTURES
2141                                 reading_textures = 1;
2142                         else if (! stricmp(arg, "$ECLIP") // BM_ECLIP
2143                                    || ! stricmp(arg, "$WCLIP")) // BM_WCLIP
2144                                         texture_count++;
2145                         else // not a special token, must be a bitmap!
2146                                 if (reading_textures) {
2147                                         while (*arg == '\t' || *arg == ' ')
2148                                                 arg++;//remove unwanted blanks
2149                                         if (*arg == '\0')
2150                                                 break;
2151                                         if (d1_tmap_num_unique(texture_count)) {
2152                                                 int d1_index = get_d1_bm_index(arg, d1_pig);
2153                                                 if (d1_index >= 0 && d1_index < D1_MAX_TMAP_NUM) {
2154                                                         d1_tmap_nums[d1_index] = texture_count;
2155                                                         //int d2_index = d2_index_for_d1_index(d1_index);
2156                                                 }
2157                                 }
2158                                 Assert (texture_count < D1_MAX_TEXTURES);
2159                                 texture_count++;
2160                         }
2161
2162                         arg = strtok (NULL, equal_space);
2163                 }
2164         }
2165         cfclose (bitmaps);
2166 }
2167
2168 /* If the given d1_index is the index of a bitmap we have to load
2169  * (because it is unique to descent 1), then returns the d2_index that
2170  * the given d1_index replaces.
2171  * Returns -1 if the given d1_index is not unique to descent 1.
2172  */
2173 short d2_index_for_d1_index(short d1_index)
2174 {
2175         Assert(d1_index >= 0 && d1_index < D1_MAX_TMAP_NUM);
2176         if (! d1_tmap_nums || d1_tmap_nums[d1_index] == -1
2177             || ! d1_tmap_num_unique(d1_tmap_nums[d1_index]))
2178                 return -1;
2179
2180         return Textures[convert_d1_tmap_num(d1_tmap_nums[d1_index])].index;
2181 }
2182
2183 #define D1_BITMAPS_SIZE 300000
2184 void load_d1_bitmap_replacements()
2185 {
2186         CFILE * d1_Piggy_fp;
2187         DiskBitmapHeader bmh;
2188         int pig_data_start, bitmap_header_start, bitmap_data_start;
2189         int N_bitmaps;
2190         short d1_index, d2_index;
2191         ubyte* next_bitmap;
2192         ubyte colormap[256];
2193         ubyte d1_palette[256*3];
2194         char *p;
2195         int pigsize;
2196
2197         d1_Piggy_fp = cfopen( D1_PIGFILE, "rb" );
2198
2199 #define D1_PIG_LOAD_FAILED "Failed loading " D1_PIGFILE
2200         if (!d1_Piggy_fp) {
2201                 Warning(D1_PIG_LOAD_FAILED);
2202                 return;
2203         }
2204
2205         //first, free up data allocated for old bitmaps
2206         free_bitmap_replacements();
2207
2208         Assert( get_d1_colormap( d1_palette, colormap ) == 0 );
2209
2210         pigsize = cfilelength(d1_Piggy_fp);
2211         switch (pigsize) {
2212         case D1_SHARE_BIG_PIGSIZE:
2213         case D1_SHARE_10_PIGSIZE:
2214         case D1_SHARE_PIGSIZE:
2215         case D1_10_BIG_PIGSIZE:
2216         case D1_10_PIGSIZE:
2217                 pig_data_start = 0;
2218                 // OK, now we need to read d1_tmap_nums by emulating d1's bm_init_use_tbl()
2219                 read_d1_tmap_nums_from_hog(d1_Piggy_fp);
2220                 break;
2221         default:
2222                 Warning("Unknown size for " D1_PIGFILE);
2223                 Int3();
2224                 // fall through
2225         case D1_PIGSIZE:
2226         case D1_OEM_PIGSIZE:
2227         case D1_MAC_PIGSIZE:
2228         case D1_MAC_SHARE_PIGSIZE:
2229                 pig_data_start = cfile_read_int(d1_Piggy_fp );
2230                 bm_read_d1_tmap_nums(d1_Piggy_fp); //was: bm_read_all_d1(fp);
2231                 //for (i = 0; i < 1800; i++) GameBitmapXlat[i] = cfile_read_short(d1_Piggy_fp);
2232                 break;
2233         }
2234
2235         cfseek( d1_Piggy_fp, pig_data_start, SEEK_SET );
2236         N_bitmaps = cfile_read_int(d1_Piggy_fp);
2237         {
2238                 int N_sounds = cfile_read_int(d1_Piggy_fp);
2239                 int header_size = N_bitmaps * DISKBITMAPHEADER_D1_SIZE
2240                         + N_sounds * sizeof(DiskSoundHeader);
2241                 bitmap_header_start = pig_data_start + 2 * sizeof(int);
2242                 bitmap_data_start = bitmap_header_start + header_size;
2243         }
2244
2245         MALLOC( Bitmap_replacement_data, ubyte, D1_BITMAPS_SIZE);
2246         if (!Bitmap_replacement_data) {
2247                 Warning(D1_PIG_LOAD_FAILED);
2248                 return;
2249         }
2250         atexit(free_bitmap_replacements);
2251
2252         next_bitmap = Bitmap_replacement_data;
2253
2254         for (d1_index = 1; d1_index <= N_bitmaps; d1_index++ ) {
2255                 d2_index = d2_index_for_d1_index(d1_index);
2256                 // only change bitmaps which are unique to d1
2257                 if (d2_index != -1) {
2258                         cfseek(d1_Piggy_fp, bitmap_header_start + (d1_index-1) * DISKBITMAPHEADER_D1_SIZE, SEEK_SET);
2259                         DiskBitmapHeader_d1_read(&bmh, d1_Piggy_fp);
2260
2261                         bitmap_read_d1( &GameBitmaps[d2_index], d1_Piggy_fp, bitmap_data_start, &bmh, &next_bitmap, d1_palette, colormap );
2262                         Assert(next_bitmap - Bitmap_replacement_data < D1_BITMAPS_SIZE);
2263                         GameBitmapOffset[d2_index] = 0; // don't try to read bitmap from current d2 pigfile
2264                         GameBitmapFlags[d2_index] = bmh.flags;
2265
2266                         if ( (p = strchr(AllBitmaps[d2_index].name, '#')) /* d2 BM is animated */
2267                              && !(bmh.dflags & DBM_FLAG_ABM) ) { /* d1 bitmap is not animated */
2268                                 int i, len = p - AllBitmaps[d2_index].name;
2269                                 for (i = 0; i < Num_bitmap_files; i++)
2270                                         if (i != d2_index && ! memcmp(AllBitmaps[d2_index].name, AllBitmaps[i].name, len)) {
2271                                                 GameBitmaps[i] = GameBitmaps[d2_index];
2272                                                 GameBitmapOffset[i] = 0;
2273                                                 GameBitmapFlags[i] = bmh.flags;
2274                                         }
2275                         }
2276                 }
2277         }
2278
2279         cfclose(d1_Piggy_fp);
2280
2281         last_palette_loaded_pig[0]= 0;  //force pig re-load
2282
2283         texmerge_flush();       //for re-merging with new textures
2284 }
2285
2286
2287 extern int extra_bitmap_num;
2288
2289 /*
2290  * Find and load the named bitmap from descent.pig
2291  * similar to read_extra_bitmap_iff
2292  */
2293 bitmap_index read_extra_bitmap_d1_pig(char *name)
2294 {
2295         bitmap_index bitmap_num;
2296         grs_bitmap * new = &GameBitmaps[extra_bitmap_num];
2297
2298         bitmap_num.index = 0;
2299
2300         {
2301                 CFILE *d1_Piggy_fp;
2302                 DiskBitmapHeader bmh;
2303                 int pig_data_start, bitmap_header_start, bitmap_data_start;
2304                 int i, N_bitmaps;
2305                 ubyte colormap[256];
2306                 ubyte d1_palette[256*3];
2307                 int pigsize = cfilelength(d1_Piggy_fp);
2308
2309                 d1_Piggy_fp = cfopen(D1_PIGFILE, "rb");
2310
2311                 if (!d1_Piggy_fp)
2312                 {
2313                         Warning(D1_PIG_LOAD_FAILED);
2314                         return bitmap_num;
2315                 }
2316
2317                 Assert( get_d1_colormap( d1_palette, colormap ) == 0 );
2318
2319                 switch (pigsize) {
2320                 case D1_SHARE_BIG_PIGSIZE:
2321                 case D1_SHARE_10_PIGSIZE:
2322                 case D1_SHARE_PIGSIZE:
2323                 case D1_10_BIG_PIGSIZE:
2324                 case D1_10_PIGSIZE:
2325                         pig_data_start = 0;
2326                         break;
2327                 default:
2328                         Warning("Unknown size for " D1_PIGFILE);
2329                         Int3();
2330                         // fall through
2331                 case D1_PIGSIZE:
2332                 case D1_OEM_PIGSIZE:
2333                 case D1_MAC_PIGSIZE:
2334                 case D1_MAC_SHARE_PIGSIZE:
2335                         pig_data_start = cfile_read_int(d1_Piggy_fp );
2336
2337                         break;
2338                 }
2339
2340                 cfseek( d1_Piggy_fp, pig_data_start, SEEK_SET );
2341                 N_bitmaps = cfile_read_int(d1_Piggy_fp);
2342                 {
2343                         int N_sounds = cfile_read_int(d1_Piggy_fp);
2344                         int header_size = N_bitmaps * DISKBITMAPHEADER_D1_SIZE
2345                                 + N_sounds * sizeof(DiskSoundHeader);
2346                         bitmap_header_start = pig_data_start + 2 * sizeof(int);
2347                         bitmap_data_start = bitmap_header_start + header_size;
2348                 }
2349
2350                 for (i = 1; i <= N_bitmaps; i++)
2351                 {
2352                         DiskBitmapHeader_d1_read(&bmh, d1_Piggy_fp);
2353                         if (!strnicmp(bmh.name, name, 8))
2354                                 break;
2355                 }
2356
2357                 if (strnicmp(bmh.name, name, 8))
2358                 {
2359                         con_printf(CON_DEBUG, "could not find bitmap %s\n", name);
2360                         return bitmap_num;
2361                 }
2362
2363                 bitmap_read_d1( new, d1_Piggy_fp, bitmap_data_start, &bmh, 0, d1_palette, colormap );
2364
2365                 cfclose(d1_Piggy_fp);
2366         }
2367
2368         new->avg_color = 0;     //compute_average_pixel(new);
2369
2370         bitmap_num.index = extra_bitmap_num;
2371
2372         GameBitmaps[extra_bitmap_num++] = *new;
2373
2374         return bitmap_num;
2375 }
2376
2377
2378 #ifndef FAST_FILE_IO
2379 /*
2380  * reads a bitmap_index structure from a CFILE
2381  */
2382 void bitmap_index_read(bitmap_index *bi, CFILE *fp)
2383 {
2384         bi->index = cfile_read_short(fp);
2385 }
2386
2387 /*
2388  * reads n bitmap_index structs from a CFILE
2389  */
2390 int bitmap_index_read_n(bitmap_index *bi, int n, CFILE *fp)
2391 {
2392         int i;
2393
2394         for (i = 0; i < n; i++)
2395                 bi[i].index = cfile_read_short(fp);
2396         return i;
2397 }
2398 #endif // FAST_FILE_IO