main/state.c

   1 /* $Id: state.c,v 1.8 2003-04-11 23:51:48 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  * Game save/restore functions
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include <conf.h>
  23 #endif
  24
  25 #ifdef WINDOWS
  26 #include "desw.h"
  27 #endif
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <math.h>
  32 #include <string.h>
  33 #include <unistd.h>
  34 #include <errno.h>
  35 #ifdef MACINTOSH
  36 #include <Files.h>
  37 #endif
  38
  39 #ifdef OGL
  40 #if defined(__APPLE__) && defined(__MACH__)
  41 #include <OpenGL/gl.h>
  42 #else
  43 #include <GL/gl.h>
  44 #endif
  45 #endif
  46
  47 #include "pstypes.h"
  48 #include "pa_enabl.h"                   //$$POLY_ACC
  49 #include "mono.h"
  50 #include "inferno.h"
  51 #include "segment.h"
  52 #include "textures.h"
  53 #include "wall.h"
  54 #include "object.h"
  55 #include "digi.h"
  56 #include "gamemine.h"
  57 #include "error.h"
  58 #include "gameseg.h"
  59 #include "menu.h"
  60 #include "switch.h"
  61 #include "game.h"
  62 #include "screens.h"
  63 #include "newmenu.h"
  64 #include "cfile.h"
  65 #include "fuelcen.h"
  66 #include "hash.h"
  67 #include "key.h"
  68 #include "piggy.h"
  69 #include "player.h"
  70 #include "cntrlcen.h"
  71 #include "morph.h"
  72 #include "weapon.h"
  73 #include "render.h"
  74 #include "gameseq.h"
  75 #include "gauges.h"
  76 #include "newdemo.h"
  77 #include "automap.h"
  78 #include "piggy.h"
  79 #include "paging.h"
  80 #include "titles.h"
  81 #include "text.h"
  82 #include "mission.h"
  83 #include "pcx.h"
  84 #include "u_mem.h"
  85 #ifdef NETWORK
  86 #include "network.h"
  87 #endif
  88 #include "args.h"
  89 #include "ai.h"
  90 #include "fireball.h"
  91 #include "controls.h"
  92 #include "laser.h"
  93 #include "multibot.h"
  94 #include "state.h"
  95
  96 #if defined(POLY_ACC)
  97 #include "poly_acc.h"
  98 #endif
  99
 100 #ifdef OGL
 101 #include "gr.h"
 102 #endif
 103
 104 #define STATE_VERSION 22
 105 #define STATE_COMPATIBLE_VERSION 20
 106 // 0 - Put DGSS (Descent Game State Save) id at tof.
 107 // 1 - Added Difficulty level save
 108 // 2 - Added Cheats_enabled flag
 109 // 3 - Added between levels save.
 110 // 4 - Added mission support
 111 // 5 - Mike changed ai and object structure.
 112 // 6 - Added buggin' cheat save
 113 // 7 - Added other cheat saves and game_id.
 114 // 8 - Added AI stuff for escort and thief.
 115 // 9 - Save palette with screen shot
 116 // 12- Saved last_was_super array
 117 // 13- Saved palette flash stuff
 118 // 14- Save cloaking wall stuff
 119 // 15- Save additional ai info
 120 // 16- Save Light_subtracted
 121 // 17- New marker save
 122 // 18- Took out saving of old cheat status
 123 // 19- Saved cheats_enabled flag
 124 // 20- First_secret_visit
 125 // 22- Omega_charge
 126
 127 #define NUM_SAVES 9
 128 #define THUMBNAIL_W 100
 129 #define THUMBNAIL_H 50
 130 #define DESC_LENGTH 20
 131
 132 extern void multi_initiate_save_game();
 133 extern void multi_initiate_restore_game();
 134 extern void apply_all_changed_light(void);
 135
 136 extern int Do_appearance_effect;
 137 extern fix Fusion_next_sound_time;
 138
 139 extern int Laser_rapid_fire;
 140 extern int Physics_cheat_flag;
 141 extern int Lunacy;
 142 extern void do_lunacy_on(void);
 143 extern void do_lunacy_off(void);
 144 extern int First_secret_visit;
 145
 146 int sc_last_item= 0;
 147 grs_bitmap *sc_bmp[NUM_SAVES+1];
 148
 149 char dgss_id[4] = "DGSS";
 150
 151 int state_default_item = 0;
 152
 153 uint state_game_id;
 154
 155 extern int robot_controlled[MAX_ROBOTS_CONTROLLED];
 156 extern int robot_agitation[MAX_ROBOTS_CONTROLLED];
 157 extern fix robot_controlled_time[MAX_ROBOTS_CONTROLLED];
 158 extern fix robot_last_send_time[MAX_ROBOTS_CONTROLLED];
 159 extern fix robot_last_message_time[MAX_ROBOTS_CONTROLLED];
 160 extern int robot_send_pending[MAX_ROBOTS_CONTROLLED];
 161 extern int robot_fired[MAX_ROBOTS_CONTROLLED];
 162 extern byte robot_fire_buf[MAX_ROBOTS_CONTROLLED][18+3];
 163
 164
 165 #if defined(WINDOWS) || defined(MACINTOSH)
 166 extern ubyte Hack_DblClick_MenuMode;
 167 #endif
 168
 169 void compute_all_static_light(void);
 170
 171 //-------------------------------------------------------------------
 172 void state_callback(int nitems,newmenu_item * items, int * last_key, int citem)
 173 {
 174         nitems = nitems;
 175         last_key = last_key;
 176
 177 //      if ( sc_last_item != citem )    {
 178 //              sc_last_item = citem;
 179                 if ( citem > 0 )        {
 180                         if ( sc_bmp[citem-1] )  {
 181                                 if (MenuHires) {
 182                                 WINDOS(
 183                                         dd_grs_canvas *save_canv = dd_grd_curcanv,
 184                                         grs_canvas *save_canv = grd_curcanv
 185                                 );
 186                                         grs_canvas *temp_canv = gr_create_canvas(THUMBNAIL_W*2,(THUMBNAIL_H*24/10));
 187                                         grs_point vertbuf[3] = {{0,0}, {0,0}, {i2f(THUMBNAIL_W*2),i2f(THUMBNAIL_H*24/10)} };
 188                                         gr_set_current_canvas(temp_canv);
 189                                         scale_bitmap(sc_bmp[citem-1], vertbuf, 0 );
 190                                 WINDOS(
 191                                         dd_gr_set_current_canvas(save_canv),
 192                                         gr_set_current_canvas( save_canv )
 193                                 );
 194                                 WIN(DDGRLOCK(dd_grd_curcanv));
 195                                         gr_bitmap( (grd_curcanv->cv_bitmap.bm_w-THUMBNAIL_W*2)/2,items[0].y-10, &temp_canv->cv_bitmap);
 196                                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 197                                         gr_free_canvas(temp_canv);
 198                                 }
 199                                 else    {
 200                                 #ifdef WINDOWS
 201                                         Int3();
 202                                 #else
 203                                         gr_bitmap( (grd_curcanv->cv_bitmap.bm_w-THUMBNAIL_W)/2,items[0].y-5, sc_bmp[citem-1] );
 204                                 #endif
 205                                 }
 206                         }
 207                 }
 208 //      }
 209 }
 210
 211 void rpad_string( char * string, int max_chars )
 212 {
 213         int i, end_found;
 214
 215         end_found = 0;
 216         for( i=0; i<max_chars; i++ )    {
 217                 if ( *string == 0 )
 218                         end_found = 1;
 219                 if ( end_found )
 220                         *string = ' ';
 221                 string++;
 222         }
 223         *string = 0;            // NULL terminate
 224 }
 225
 226 int state_get_save_file(char * fname, char * dsc, int multi )
 227 {
 228         FILE * fp;
 229         int i, choice, version;
 230         newmenu_item m[NUM_SAVES+2];
 231         char filename[NUM_SAVES+1][30];
 232         char desc[NUM_SAVES+1][DESC_LENGTH+16];
 233         char id[5];
 234         int valid=0;
 235
 236         for (i=0;i<NUM_SAVES; i++ )     {
 237                 sc_bmp[i] = NULL;
 238                 if ( !multi )
 239                         #ifndef MACINTOSH
 240                         sprintf( filename[i], "%s.sg%x", Players[Player_num].callsign, i );
 241                         #else
 242                         sprintf( filename[i], ":Players:%s.sg%x", Players[Player_num].callsign, i );
 243                         #endif
 244                 else
 245                         #ifndef MACINTOSH
 246                         sprintf( filename[i], "%s.mg%x", Players[Player_num].callsign, i );
 247                         #else
 248                         sprintf( filename[i], ":Players:%s.mg%x", Players[Player_num].callsign, i );
 249                         #endif
 250                 valid = 0;
 251                 fp = fopen( filename[i], "rb" );
 252                 if ( fp ) {
 253                         //Read id
 254                         fread( id, sizeof(char)*4, 1, fp );
 255                         if ( !memcmp( id, dgss_id, 4 )) {
 256                                 //Read version
 257                                 fread( &version, sizeof(int), 1, fp );
 258                                 if (version >= STATE_COMPATIBLE_VERSION)        {
 259                                         // Read description
 260                                         fread( desc[i], sizeof(char)*DESC_LENGTH, 1, fp );
 261                                         //rpad_string( desc[i], DESC_LENGTH-1 );
 262                                         // Read thumbnail
 263                                         //sc_bmp[i] = gr_create_bitmap(THUMBNAIL_W,THUMBNAIL_H );
 264                                         //fread( sc_bmp[i]->bm_data, THUMBNAIL_W * THUMBNAIL_H, 1, fp );
 265                                         valid = 1;
 266                                 }
 267                         }
 268                         fclose(fp);
 269                 }
 270                 if (!valid) {
 271                         strcpy( desc[i], TXT_EMPTY );
 272                         //rpad_string( desc[i], DESC_LENGTH-1 );
 273                 }
 274                 m[i].type = NM_TYPE_INPUT_MENU; m[i].text = desc[i]; m[i].text_len = DESC_LENGTH-1;
 275         }
 276
 277         sc_last_item = -1;
 278         choice = newmenu_do1( NULL, "Save Game", NUM_SAVES, m, NULL, state_default_item );
 279
 280         for (i=0; i<NUM_SAVES; i++ )    {
 281                 if ( sc_bmp[i] )
 282                         gr_free_bitmap( sc_bmp[i] );
 283         }
 284
 285         if (choice > -1) {
 286                 strcpy( fname, filename[choice] );
 287                 strcpy( dsc, desc[choice] );
 288                 state_default_item = choice;
 289                 return choice+1;
 290         }
 291         return 0;
 292 }
 293
 294 int RestoringMenu=0;
 295 extern int Current_display_mode;
 296
 297 int state_get_restore_file(char * fname, int multi)
 298 {
 299         FILE * fp;
 300         int i, choice, version, nsaves;
 301         newmenu_item m[NUM_SAVES+2];
 302         char filename[NUM_SAVES+1][30];
 303         char desc[NUM_SAVES+1][DESC_LENGTH + 16];
 304         char id[5];
 305         int valid;
 306
 307         nsaves=0;
 308         m[0].type = NM_TYPE_TEXT; m[0].text = "\n\n\n\n";
 309         for (i=0;i<NUM_SAVES+1; i++ )   {
 310                 sc_bmp[i] = NULL;
 311                 if (!multi)
 312                         #ifndef MACINTOSH
 313                         sprintf( filename[i], "%s.sg%x", Players[Player_num].callsign, i );
 314                         #else
 315                         sprintf( filename[i], ":Players:%s.sg%x", Players[Player_num].callsign, i );
 316                         #endif
 317                 else
 318                         #ifndef MACINTOSH
 319                         sprintf( filename[i], "%s.mg%x", Players[Player_num].callsign, i );
 320                         #else
 321                         sprintf( filename[i], ":Players:%s.mg%x", Players[Player_num].callsign, i );
 322                         #endif
 323                 valid = 0;
 324                 fp = fopen( filename[i], "rb" );
 325                 if ( fp ) {
 326                         //Read id
 327                         fread( id, sizeof(char)*4, 1, fp );
 328                         if ( !memcmp( id, dgss_id, 4 )) {
 329                                 //Read version
 330                                 fread( &version, sizeof(int), 1, fp );
 331                                 if (version >= STATE_COMPATIBLE_VERSION)        {
 332                                         // Read description
 333                                         fread( desc[i], sizeof(char)*DESC_LENGTH, 1, fp );
 334                                         //rpad_string( desc[i], DESC_LENGTH-1 );
 335                                         m[i+1].type = NM_TYPE_MENU; m[i+1].text = desc[i];
 336                                         // Read thumbnail
 337                                         sc_bmp[i] = gr_create_bitmap(THUMBNAIL_W,THUMBNAIL_H );
 338                                         fread( sc_bmp[i]->bm_data, THUMBNAIL_W * THUMBNAIL_H, 1, fp );
 339                                         if (version >= 9) {
 340                                                 ubyte pal[256*3];
 341                                                 fread( pal, 3, 256, fp);
 342                                                 gr_remap_bitmap_good( sc_bmp[i], pal, -1, -1 );
 343                                         }
 344                                         nsaves++;
 345                                         valid = 1;
 346                                 }
 347                         }
 348                         fclose(fp);
 349                 }
 350                 if (!valid) {
 351                         strcpy( desc[i], TXT_EMPTY );
 352                         //rpad_string( desc[i], DESC_LENGTH-1 );
 353                         m[i+1].type = NM_TYPE_TEXT; m[i+1].text = desc[i];
 354                 }
 355         }
 356
 357         if ( nsaves < 1 )       {
 358                 nm_messagebox( NULL, 1, "Ok", "No saved games were found!" );
 359                 return 0;
 360         }
 361
 362         if (Current_display_mode == 3)  //restore menu won't fit on 640x400
 363                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 364
 365         sc_last_item = -1;
 366
 367 #if defined(WINDOWS) || defined(MACINTOSH)
 368         Hack_DblClick_MenuMode = 1;
 369 #endif
 370
 371    RestoringMenu=1;
 372         choice = newmenu_do3( NULL, "Select Game to Restore", NUM_SAVES+2, m, state_callback, state_default_item+1, NULL, 190, -1 );
 373    RestoringMenu=0;
 374
 375 #if defined(WINDOWS) || defined(MACINTOSH)
 376         Hack_DblClick_MenuMode = 0;
 377 #endif
 378
 379         if (Current_display_mode == 3)  //set flag back
 380                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 381
 382
 383         for (i=0; i<NUM_SAVES+1; i++ )  {
 384                 if ( sc_bmp[i] )
 385                         gr_free_bitmap( sc_bmp[i] );
 386         }
 387
 388         if (choice > 0) {
 389                 strcpy( fname, filename[choice-1] );
 390                 if (choice != NUM_SAVES+1)              //no new default when restore from autosave
 391                         state_default_item = choice - 1;
 392                 return choice;
 393         }
 394         return 0;
 395 }
 396
 397 #define DESC_OFFSET     8
 398
 399 //      -----------------------------------------------------------------------------------
 400 //      Return true if the file named *filename exists, else return false.
 401 int file_exists(char *filename)
 402 {
 403         FILE    *fp;
 404
 405         if ((fp = fopen(filename, "rb")) != NULL) {
 406                 fclose(fp);
 407                 return 1;
 408         }
 409
 410         return 0;
 411 }
 412
 413 #define CF_BUF_SIZE     1024
 414
 415 //      -----------------------------------------------------------------------------------
 416 //      Imagine if C had a function to copy a file...
 417 int copy_file(char *old_file, char *new_file)
 418 {
 419         byte    buf[CF_BUF_SIZE];
 420         FILE    *in_file, *out_file;
 421
 422         out_file = fopen(new_file, "wb");
 423
 424         if (out_file == NULL)
 425                 return -1;
 426
 427         in_file = fopen(old_file, "rb");
 428
 429         if (in_file == NULL)
 430                 return -2;
 431
 432         while (!feof(in_file)) {
 433                 int bytes_read;
 434
 435                 bytes_read = fread(buf, 1, CF_BUF_SIZE, in_file);
 436                 if (ferror(in_file))
 437                         Error("Cannot read from file <%s>: %s", old_file, strerror(errno));
 438
 439                 Assert(bytes_read == CF_BUF_SIZE || feof(in_file));
 440
 441                 fwrite(buf, 1, bytes_read, out_file);
 442
 443                 if (ferror(out_file))
 444                         Error("Cannot write to file <%s>: %s", new_file, strerror(errno));
 445         }
 446
 447         if (fclose(in_file)) {
 448                 fclose(out_file);
 449                 return -3;
 450         }
 451
 452         if (fclose(out_file))
 453                 return -4;
 454
 455         return 0;
 456 }
 457
 458 #ifndef MACINTOSH
 459 #define SECRETB_FILENAME        "secret.sgb"
 460 #define SECRETC_FILENAME        "secret.sgc"
 461 #else
 462 #define SECRETB_FILENAME        ":Players:secret.sgb"
 463 #define SECRETC_FILENAME        ":Players:secret.sgc"
 464 #endif
 465
 466 extern int Final_boss_is_dead;
 467
 468 //      -----------------------------------------------------------------------------------
 469 //      blind_save means don't prompt user for any info.
 470 int state_save_all(int between_levels, int secret_save, char *filename_override)
 471 {
 472         int     rval, filenum = -1;
 473
 474         char    filename[128], desc[DESC_LENGTH+1];
 475
 476         Assert(between_levels == 0);    //between levels save ripped out
 477
 478 #ifdef NETWORK
 479         if ( Game_mode & GM_MULTI )     {
 480                         multi_initiate_save_game();
 481                 return 0;
 482         }
 483 #endif
 484
 485         if ((Current_level_num < 0) && (secret_save == 0)) {
 486                 HUD_init_message( "Can't save in secret level!" );
 487                 return 0;
 488         }
 489
 490         if (Final_boss_is_dead)         //don't allow save while final boss is dying
 491                 return 0;
 492
 493         mprintf(( 0, "CL=%d, NL=%d\n", Current_level_num, Next_level_num ));
 494
 495         //      If this is a secret save and the control center has been destroyed, don't allow
 496         //      return to the base level.
 497         if (secret_save && (Control_center_destroyed)) {
 498                 mprintf((0, "Deleting secret.sgb so player can't return to base level.\n"));
 499                 unlink(SECRETB_FILENAME);
 500                 return 0;
 501         }
 502
 503         stop_time();
 504
 505         if (secret_save == 1) {
 506                 filename_override = filename;
 507                 sprintf(filename_override, SECRETB_FILENAME);
 508         } else if (secret_save == 2) {
 509                 filename_override = filename;
 510                 sprintf(filename_override, SECRETC_FILENAME);
 511         } else {
 512                 if (filename_override) {
 513                         strcpy( filename, filename_override);
 514                         sprintf(desc, "[autosave backup]");
 515                 } else if (!(filenum = state_get_save_file(filename,desc,0))) {
 516                         start_time();
 517                         return 0;
 518                 }
 519         }
 520
 521         //      MK, 1/1/96
 522         //      If not in multiplayer, do special secret level stuff.
 523         //      If secret.sgc exists, then copy it to Nsecret.sgc (where N = filenum).
 524         //      If it doesn't exist, then delete Nsecret.sgc
 525         if (!secret_save && !(Game_mode & GM_MULTI)) {
 526                 int     rval;
 527                 char    temp_fname[32], fc;
 528
 529                 if (filenum != -1) {
 530
 531                         if (filenum >= 10)
 532                                 fc = (filenum-10) + 'a';
 533                         else
 534                                 fc = '0' + filenum;
 535
 536                         #ifndef MACINTOSH
 537                         sprintf(temp_fname, "%csecret.sgc", fc);
 538                         #else
 539                         sprintf(temp_fname, ":Players:%csecret.sgc", fc);
 540                         #endif
 541
 542                         mprintf((0, "Trying to copy secret.sgc to %s.\n", temp_fname));
 543
 544                         if (file_exists(temp_fname)) {
 545                                 mprintf((0, "Deleting file %s\n", temp_fname));
 546                                 rval = unlink(temp_fname);
 547                                 Assert(rval == 0);      //      Oops, error deleting file in temp_fname.
 548                         }
 549
 550                         if (file_exists(SECRETC_FILENAME)) {
 551                                 mprintf((0, "Copying secret.sgc to %s.\n", temp_fname));
 552                                 rval = copy_file(SECRETC_FILENAME, temp_fname);
 553                                 Assert(rval == 0);      //      Oops, error copying temp_fname to secret.sgc!
 554                         }
 555                 }
 556         }
 557
 558         //      Save file we're going to save over in last slot and call "[autosave backup]"
 559         if (!filename_override) {
 560                 FILE    *tfp;
 561
 562                 tfp = fopen( filename, "r+b" );
 563
 564                 if ( tfp ) {
 565                         char    newname[128];
 566
 567                         #ifndef MACINTOSH
 568                         sprintf( newname, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
 569                         #else
 570                         sprintf( newname, ":Players:%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
 571                         #endif
 572
 573                         fseek( tfp, DESC_OFFSET, SEEK_SET);
 574                         fwrite( "[autosave backup]", sizeof(char)*DESC_LENGTH, 1, tfp );
 575                         fclose(tfp);
 576                         unlink(newname);
 577                         rename(filename, newname);
 578                 }
 579         }
 580
 581         rval = state_save_all_sub(filename, desc, between_levels);
 582
 583         return rval;
 584 }
 585
 586 extern  fix     Flash_effect, Time_flash_last_played;
 587
 588
 589 int state_save_all_sub(char *filename, char *desc, int between_levels)
 590 {
 591         int i,j;
 592         FILE * fp;
 593         grs_canvas * cnv;
 594         #ifdef POLY_ACC
 595         grs_canvas cnv2,*save_cnv2;
 596         #endif
 597         ubyte *pal;
 598
 599         Assert(between_levels == 0);    //between levels save ripped out
 600
 601 /*      if ( Game_mode & GM_MULTI )     {
 602                 {
 603                 start_time();
 604                 return 0;
 605                 }
 606         }*/
 607
 608         #if defined(MACINTOSH) && !defined(NDEBUG)
 609         if ( strncmp(filename, ":Players:", 9) )
 610                 Int3();
 611         #endif
 612
 613         fp = fopen( filename, "wb" );
 614         if ( !fp ) {
 615                 if ( !(Game_mode & GM_MULTI) )
 616                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 617                 start_time();
 618                 return 0;
 619         }
 620
 621 //Save id
 622         fwrite( dgss_id, sizeof(char)*4, 1, fp );
 623
 624 //Save version
 625         i = STATE_VERSION;
 626         fwrite( &i, sizeof(int), 1, fp );
 627
 628 //Save description
 629         fwrite( desc, sizeof(char)*DESC_LENGTH, 1, fp );
 630
 631 // Save the current screen shot...
 632
 633         cnv = gr_create_canvas( THUMBNAIL_W, THUMBNAIL_H );
 634         if ( cnv )
 635         {
 636 #ifdef OGL
 637                 ubyte *buf;
 638                 int k;
 639 #endif
 640                 #ifdef WINDOWS
 641                         dd_grs_canvas *cnv_save;
 642                         cnv_save = dd_grd_curcanv;
 643                 #else
 644                         grs_canvas * cnv_save;
 645                         cnv_save = grd_curcanv;
 646                 #endif
 647
 648                 #ifndef MACINTOSH
 649
 650                         #if defined(POLY_ACC)
 651
 652                                         PA_DFX (pa_fool_to_backbuffer());
 653
 654                                         //for poly_acc, we render the frame to the normal render buffer
 655                                         //so that this doesn't show, we create yet another canvas to save
 656                                         //and restore what's on the render buffer
 657                                         PA_DFX (pa_alpha_always());
 658                                         PA_DFX (pa_set_front_to_read());
 659                                         gr_init_sub_canvas( &cnv2, &VR_render_buffer[0], 0, 0, THUMBNAIL_W, THUMBNAIL_H );
 660                                         save_cnv2 = gr_create_canvas2(THUMBNAIL_W, THUMBNAIL_H, cnv2.cv_bitmap.bm_type);
 661                                         gr_set_current_canvas( save_cnv2 );
 662                                         PA_DFX (pa_set_front_to_read());
 663                                         gr_bitmap(0,0,&cnv2.cv_bitmap);
 664                                         gr_set_current_canvas( &cnv2 );
 665                         #else
 666                                         gr_set_current_canvas( cnv );
 667                         #endif
 668
 669                                         PA_DFX (pa_set_backbuffer_current());
 670                                         render_frame(0, 0);
 671                                         PA_DFX (pa_alpha_always());
 672
 673 #if defined(POLY_ACC)
 674                                         #ifndef MACINTOSH
 675                                         screen_shot_pa(cnv,&cnv2);
 676                                         #else
 677                                         if ( PAEnabled )
 678                                                 screen_shot_pa(cnv,&cnv2);
 679                                         #endif
 680 #elif defined(OGL)
 681                 buf = d_malloc(THUMBNAIL_W * THUMBNAIL_H * 3);
 682                 glReadBuffer(GL_FRONT);
 683                 glReadPixels(0, SHEIGHT - THUMBNAIL_H, THUMBNAIL_W, THUMBNAIL_H, GL_RGB, GL_UNSIGNED_BYTE, buf);
 684                 k = THUMBNAIL_H;
 685                 for (i = 0; i < THUMBNAIL_W * THUMBNAIL_H; i++) {
 686                         if (!(j = i % THUMBNAIL_W))
 687                                 k--;
 688                         cnv->cv_bitmap.bm_data[THUMBNAIL_W * k + j] =
 689                                 gr_find_closest_color(buf[3*i]/4, buf[3*i+1]/4, buf[3*i+2]/4);
 690                 }
 691                 d_free(buf);
 692 #endif
 693
 694                                         pal = gr_palette;
 695
 696                                         fwrite( cnv->cv_bitmap.bm_data, THUMBNAIL_W*THUMBNAIL_H, 1, fp );
 697
 698                         #if defined(POLY_ACC)
 699                                         PA_DFX (pa_alpha_always());
 700                                         PA_DFX (pa_set_frontbuffer_current());
 701                                         PA_DFX(gr_bitmap(0,0,&save_cnv2->cv_bitmap));
 702                                         PA_DFX (pa_set_backbuffer_current());
 703                                         gr_bitmap(0,0,&save_cnv2->cv_bitmap);
 704                                         gr_free_canvas(save_cnv2);
 705                                         PA_DFX (pa_fool_to_offscreen());
 706
 707                         #endif
 708
 709                 #else   // macintosh stuff below
 710                 {
 711                         #if defined(POLY_ACC)
 712                                 int     savePAEnabled = PAEnabled;
 713                                 PAEnabled = false;
 714                         #endif
 715
 716                         gr_set_current_canvas( cnv );
 717                         render_frame(0, 0);
 718                         pal = gr_palette;
 719                         fwrite( cnv->cv_bitmap.bm_data, THUMBNAIL_W*THUMBNAIL_H, 1, fp );
 720
 721                         #if defined(POLY_ACC)
 722                                 PAEnabled = savePAEnabled;
 723                         #endif
 724                 }
 725                 #endif  // end of ifndef macintosh
 726
 727
 728                 WINDOS(
 729                         dd_gr_set_current_canvas(cnv_save),
 730                         gr_set_current_canvas(cnv_save)
 731                 );
 732                 gr_free_canvas( cnv );
 733                 fwrite( pal, 3, 256, fp);
 734         }
 735         else
 736         {
 737                 ubyte color = 0;
 738                 for ( i=0; i<THUMBNAIL_W*THUMBNAIL_H; i++ )
 739                         fwrite( &color, sizeof(ubyte), 1, fp );
 740         }
 741
 742 // Save the Between levels flag...
 743         fwrite( &between_levels, sizeof(int), 1, fp );
 744
 745 // Save the mission info...
 746         mprintf ((0,"HEY! Mission name is %s\n",Mission_list[Current_mission_num].filename));
 747         fwrite( &Mission_list[Current_mission_num], sizeof(char)*9, 1, fp );
 748
 749 //Save level info
 750         fwrite( &Current_level_num, sizeof(int), 1, fp );
 751         fwrite( &Next_level_num, sizeof(int), 1, fp );
 752
 753 //Save GameTime
 754         fwrite( &GameTime, sizeof(fix), 1, fp );
 755
 756 // If coop save, save all
 757 #ifdef NETWORK
 758    if (Game_mode & GM_MULTI_COOP)
 759          {
 760                 fwrite (&state_game_id,sizeof(int),1,fp);
 761                 fwrite (&Netgame,sizeof(netgame_info),1,fp);
 762                 fwrite (&NetPlayers,sizeof(AllNetPlayers_info),1,fp);
 763                 fwrite (&N_players,sizeof(int),1,fp);
 764                 fwrite (&Player_num,sizeof(int),1,fp);
 765                 for (i=0;i<N_players;i++)
 766                  fwrite (&Players[i],sizeof(player),1,fp);
 767
 768 #ifdef RISKY_PROPOSITION
 769            fwrite (&robot_controlled[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 770            fwrite (&robot_agitation[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 771            fwrite (&robot_controlled_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 772            fwrite (&robot_last_send_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 773            fwrite (&robot_last_message_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 774            fwrite (&robot_send_pending[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 775            fwrite (&robot_fired[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 776
 777       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
 778                    fwrite (robot_fire_buf[i][0],18+3,1,fp);
 779 #endif
 780
 781          }
 782 #endif
 783
 784 //Save player info
 785         fwrite( &Players[Player_num], sizeof(player), 1, fp );
 786
 787 // Save the current weapon info
 788         fwrite( &Primary_weapon, sizeof(byte), 1, fp );
 789         fwrite( &Secondary_weapon, sizeof(byte), 1, fp );
 790
 791 // Save the difficulty level
 792         fwrite( &Difficulty_level, sizeof(int), 1, fp );
 793 // Save cheats enabled
 794         fwrite (&Cheats_enabled,sizeof(int),1,fp);
 795
 796         if ( !between_levels )  {
 797
 798         //Finish all morph objects
 799                 for (i=0; i<=Highest_object_index; i++ )        {
 800                         if ( (Objects[i].type != OBJ_NONE) && (Objects[i].render_type==RT_MORPH))       {
 801                                 morph_data *md;
 802                                 md = find_morph_data(&Objects[i]);
 803                                 if (md) {
 804                                         md->obj->control_type = md->morph_save_control_type;
 805                                         md->obj->movement_type = md->morph_save_movement_type;
 806                                         md->obj->render_type = RT_POLYOBJ;
 807                                         md->obj->mtype.phys_info = md->morph_save_phys_info;
 808                                         md->obj = NULL;
 809                                 } else {                                                //maybe loaded half-morphed from disk
 810                                         Objects[i].flags |= OF_SHOULD_BE_DEAD;
 811                                         Objects[i].render_type = RT_POLYOBJ;
 812                                         Objects[i].control_type = CT_NONE;
 813                                         Objects[i].movement_type = MT_NONE;
 814                                 }
 815                         }
 816                 }
 817
 818         //Save object info
 819                 i = Highest_object_index+1;
 820                 fwrite( &i, sizeof(int), 1, fp );
 821                 fwrite( Objects, sizeof(object)*i, 1, fp );
 822
 823         //Save wall info
 824                 i = Num_walls;
 825                 fwrite( &i, sizeof(int), 1, fp );
 826                 fwrite( Walls, sizeof(wall)*i, 1, fp );
 827
 828         //Save exploding wall info
 829                 i = MAX_EXPLODING_WALLS;
 830                 fwrite( &i, sizeof(int), 1, fp);
 831                 fwrite( expl_wall_list, sizeof(*expl_wall_list), i, fp );
 832
 833         //Save door info
 834                 i = Num_open_doors;
 835                 fwrite( &i, sizeof(int), 1, fp );
 836                 fwrite( ActiveDoors, sizeof(active_door)*i, 1, fp );
 837
 838         //Save cloaking wall info
 839                 i = Num_cloaking_walls;
 840                 fwrite( &i, sizeof(int), 1, fp );
 841                 fwrite( CloakingWalls, sizeof(cloaking_wall), i, fp );
 842
 843         //Save trigger info
 844                 fwrite( &Num_triggers, sizeof(int), 1, fp );
 845                 fwrite( Triggers, sizeof(trigger)*Num_triggers, 1, fp );
 846
 847         //Save tmap info
 848                 for (i=0; i<=Highest_segment_index; i++ )       {
 849                         for (j=0; j<6; j++ )    {
 850                                 fwrite( &Segments[i].sides[j].wall_num, sizeof(short), 1, fp );
 851                                 fwrite( &Segments[i].sides[j].tmap_num, sizeof(short), 1, fp );
 852                                 fwrite( &Segments[i].sides[j].tmap_num2, sizeof(short), 1, fp );
 853                         }
 854                 }
 855
 856         // Save the fuelcen info
 857                 fwrite( &Control_center_destroyed, sizeof(int), 1, fp );
 858                 fwrite( &Countdown_timer, sizeof(int), 1, fp );
 859                 fwrite( &Num_robot_centers, sizeof(int), 1, fp );
 860                 fwrite( RobotCenters, sizeof(matcen_info)*Num_robot_centers, 1, fp );
 861                 fwrite( &ControlCenterTriggers, sizeof(control_center_triggers), 1, fp );
 862                 fwrite( &Num_fuelcenters, sizeof(int), 1, fp );
 863                 fwrite( Station, sizeof(FuelCenter)*Num_fuelcenters, 1, fp );
 864
 865         // Save the control cen info
 866                 fwrite( &Control_center_been_hit, sizeof(int), 1, fp );
 867                 fwrite( &Control_center_player_been_seen, sizeof(int), 1, fp );
 868                 fwrite( &Control_center_next_fire_time, sizeof(int), 1, fp );
 869                 fwrite( &Control_center_present, sizeof(int), 1, fp );
 870                 fwrite( &Dead_controlcen_object_num, sizeof(int), 1, fp );
 871
 872         // Save the AI state
 873                 ai_save_state( fp );
 874
 875         // Save the automap visited info
 876                 fwrite( Automap_visited, sizeof(ubyte)*MAX_SEGMENTS, 1, fp );
 877
 878         }
 879         fwrite( &state_game_id, sizeof(uint), 1, fp );
 880         fwrite( &Laser_rapid_fire, sizeof(int), 1, fp );
 881         fwrite( &Lunacy, sizeof(int), 1, fp );          //      Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
 882         fwrite( &Lunacy, sizeof(int), 1, fp );
 883
 884         // Save automap marker info
 885
 886         fwrite(MarkerObject,sizeof(MarkerObject),1,fp);
 887         fwrite(MarkerOwner,sizeof(MarkerOwner),1,fp);
 888         fwrite(MarkerMessage,sizeof(MarkerMessage),1,fp);
 889
 890         fwrite (&Afterburner_charge,sizeof(fix),1,fp);
 891
 892         //save last was super information
 893         fwrite(&Primary_last_was_super,sizeof(Primary_last_was_super),1,fp);
 894         fwrite(&Secondary_last_was_super,sizeof(Secondary_last_was_super),1,fp);
 895
 896         //      Save flash effect stuff
 897         fwrite( &Flash_effect, sizeof(int), 1, fp );
 898         fwrite( &Time_flash_last_played, sizeof(int), 1, fp );
 899         fwrite( &PaletteRedAdd, sizeof(int), 1, fp);
 900         fwrite( &PaletteGreenAdd, sizeof(int), 1, fp);
 901         fwrite( &PaletteBlueAdd, sizeof(int), 1, fp);
 902
 903         fwrite(Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS, fp);
 904
 905         fwrite(&First_secret_visit, sizeof(First_secret_visit), 1, fp);
 906
 907         fwrite(&Omega_charge, sizeof(Omega_charge), 1, fp);
 908
 909         if ( ferror(fp) ) {
 910                 if ( !(Game_mode & GM_MULTI) ) {
 911                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 912                         fclose(fp);
 913                         unlink(filename);
 914                 }
 915         } else  {
 916                 fclose(fp);
 917
 918                 #ifdef MACINTOSH                // set the type and creator of the saved game file
 919                 {
 920                         FInfo finfo;
 921                         OSErr err;
 922                         Str255 pfilename;
 923
 924                         strcpy(pfilename, filename);
 925                         c2pstr(pfilename);
 926                         err = HGetFInfo(0, 0, pfilename, &finfo);
 927                         finfo.fdType = 'SVGM';
 928                         finfo.fdCreator = 'DCT2';
 929                         err = HSetFInfo(0, 0, pfilename, &finfo);
 930                 }
 931                 #endif
 932         }
 933
 934         start_time();
 935
 936         return 1;
 937 }
 938
 939 //      -----------------------------------------------------------------------------------
 940 //      Set the player's position from the globals Secret_return_segment and Secret_return_orient.
 941 void set_pos_from_return_segment(void)
 942 {
 943         int     plobjnum = Players[Player_num].objnum;
 944
 945         compute_segment_center(&Objects[plobjnum].pos, &Segments[Secret_return_segment]);
 946         obj_relink(plobjnum, Secret_return_segment);
 947         reset_player_object();
 948         Objects[plobjnum].orient = Secret_return_orient;
 949 }
 950
 951 //      -----------------------------------------------------------------------------------
 952 int state_restore_all(int in_game, int secret_restore, char *filename_override)
 953 {
 954         char filename[128];
 955         int     filenum = -1;
 956
 957 #ifdef NETWORK
 958         if ( Game_mode & GM_MULTI )     {
 959 #ifdef MULTI_SAVE
 960                         multi_initiate_restore_game();
 961 #endif
 962                 return 0;
 963         }
 964 #endif
 965
 966         if (in_game && (Current_level_num < 0) && (secret_restore == 0)) {
 967                 HUD_init_message( "Can't restore in secret level!" );
 968                 return 0;
 969         }
 970
 971         if ( Newdemo_state == ND_STATE_RECORDING )
 972                 newdemo_stop_recording();
 973
 974         if ( Newdemo_state != ND_STATE_NORMAL )
 975                 return 0;
 976
 977         stop_time();
 978
 979         if (filename_override) {
 980                 strcpy(filename, filename_override);
 981                 filenum = NUM_SAVES+1;          //      So we don't trigger autosave
 982         } else if (!(filenum = state_get_restore_file(filename, 0)))    {
 983                 start_time();
 984                 return 0;
 985         }
 986
 987         //      MK, 1/1/96
 988         //      If not in multiplayer, do special secret level stuff.
 989         //      If Nsecret.sgc (where N = filenum) exists, then copy it to secret.sgc.
 990         //      If it doesn't exist, then delete secret.sgc
 991         if (!secret_restore && !(Game_mode & GM_MULTI)) {
 992                 int     rval;
 993                 char    temp_fname[32], fc;
 994
 995                 if (filenum != -1) {
 996                         if (filenum >= 10)
 997                                 fc = (filenum-10) + 'a';
 998                         else
 999                                 fc = '0' + filenum;
1000
1001                         #ifndef MACINTOSH
1002                         sprintf(temp_fname, "%csecret.sgc", fc);
1003                         #else
1004                         sprintf(temp_fname, ":Players:%csecret.sgc", fc);
1005                         #endif
1006
1007                         mprintf((0, "Trying to copy %s to secret.sgc.\n", temp_fname));
1008
1009                         if (file_exists(temp_fname)) {
1010                                 mprintf((0, "Copying %s to secret.sgc\n", temp_fname));
1011                                 rval = copy_file(temp_fname, SECRETC_FILENAME);
1012                                 Assert(rval == 0);      //      Oops, error copying temp_fname to secret.sgc!
1013                         } else
1014                                 unlink(SECRETC_FILENAME);
1015                 }
1016         }
1017
1018         //      Changed, 11/15/95, MK, don't to autosave if restoring from main menu.
1019         if ((filenum != (NUM_SAVES+1)) && in_game) {
1020                 char    temp_filename[128];
1021                 mprintf((0, "Doing autosave, filenum = %i, != %i!\n", filenum, NUM_SAVES+1));
1022                 #ifndef MACINTOSH
1023                 sprintf( temp_filename, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
1024                 #else
1025                 sprintf( temp_filename, ":Players:%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
1026                 #endif
1027                 state_save_all(!in_game, secret_restore, temp_filename);
1028         }
1029
1030         if ( !secret_restore && in_game ) {
1031                 int choice;
1032                 choice =  nm_messagebox( NULL, 2, "Yes", "No", "Restore Game?" );
1033                 if ( choice != 0 )      {
1034                         start_time();
1035                         return 0;
1036                 }
1037         }
1038
1039         start_time();
1040
1041         return state_restore_all_sub(filename, 0, secret_restore);
1042 }
1043
1044 extern void init_player_stats_new_ship(void);
1045
1046 void ShowLevelIntro(int level_num);
1047
1048 extern void do_cloak_invul_secret_stuff(fix old_gametime);
1049 extern void copy_defaults_to_robot(object *objp);
1050
1051 int state_restore_all_sub(char *filename, int multi, int secret_restore)
1052 {
1053         int ObjectStartLocation;
1054         int version,i, j, segnum;
1055         object * obj;
1056         FILE *fp;
1057         int current_level, next_level;
1058         int between_levels;
1059         char mission[16];
1060         char desc[DESC_LENGTH+1];
1061         char id[5];
1062         char org_callsign[CALLSIGN_LEN+16];
1063 #ifdef NETWORK
1064         int found;
1065         int nplayers;   //,playid[12],mynum;
1066         player restore_players[MAX_PLAYERS];
1067 #endif
1068         fix     old_gametime = GameTime;
1069
1070         #if defined(MACINTOSH) && !defined(NDEBUG)
1071         if ( strncmp(filename, ":Players:", 9) )
1072                 Int3();
1073         #endif
1074
1075         fp = fopen( filename, "rb" );
1076         if ( !fp ) return 0;
1077
1078 //Read id
1079         fread( id, sizeof(char)*4, 1, fp );
1080         if ( memcmp( id, dgss_id, 4 )) {
1081                 fclose(fp);
1082                 return 0;
1083         }
1084
1085 //Read version
1086         fread( &version, sizeof(int), 1, fp );
1087         if (version < STATE_COMPATIBLE_VERSION) {
1088                 fclose(fp);
1089                 return 0;
1090         }
1091
1092 // Read description
1093         fread( desc, sizeof(char)*DESC_LENGTH, 1, fp );
1094
1095 // Skip the current screen shot...
1096         fseek( fp, THUMBNAIL_W*THUMBNAIL_H, SEEK_CUR );
1097
1098 // And now...skip the goddamn palette stuff that somebody forgot to add
1099         fseek( fp, 768, SEEK_CUR );
1100
1101 // Read the Between levels flag...
1102         fread( &between_levels, sizeof(int), 1, fp );
1103
1104         Assert(between_levels == 0);    //between levels save ripped out
1105
1106 // Read the mission info...
1107         fread( mission, sizeof(char)*9, 1, fp );
1108         mprintf ((0,"Missionname to load = %s\n",mission));
1109
1110         if (!load_mission_by_name( mission ))   {
1111                 nm_messagebox( NULL, 1, "Ok", "Error!\nUnable to load mission\n'%s'\n", mission );
1112                 fclose(fp);
1113                 return 0;
1114         }
1115
1116 //Read level info
1117         fread( &current_level, sizeof(int), 1, fp );
1118         fread( &next_level, sizeof(int), 1, fp );
1119
1120 //Restore GameTime
1121         fread( &GameTime, sizeof(fix), 1, fp );
1122
1123 // Start new game....
1124         if (!multi)     {
1125                 Game_mode = GM_NORMAL;
1126                 Function_mode = FMODE_GAME;
1127 #ifdef NETWORK
1128                 change_playernum_to(0);
1129 #endif
1130                 strcpy( org_callsign, Players[0].callsign );
1131                 N_players = 1;
1132                 if (!secret_restore) {
1133                         InitPlayerObject();                             //make sure player's object set up
1134                         init_player_stats_game();               //clear all stats
1135                 }
1136         } else {
1137                 strcpy( org_callsign, Players[Player_num].callsign );
1138         }
1139
1140 #ifdef NETWORK
1141    if (Game_mode & GM_MULTI)
1142          {
1143                 fread (&state_game_id,sizeof(int),1,fp);
1144                 fread (&Netgame,sizeof(netgame_info),1,fp);
1145                 fread (&NetPlayers,sizeof(AllNetPlayers_info),1,fp);
1146                 fread (&nplayers,sizeof(N_players),1,fp);
1147                 fread (&Player_num,sizeof(Player_num),1,fp);
1148                 for (i=0;i<nplayers;i++)
1149                  fread (&restore_players[i],sizeof(player),1,fp);
1150 #ifdef RISKY_PROPOSITION
1151            fread (&robot_controlled[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1152            fread (&robot_agitation[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1153            fread (&robot_controlled_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1154            fread (&robot_last_send_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1155            fread (&robot_last_message_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1156            fread (&robot_send_pending[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1157            fread (&robot_fired[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1158
1159       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
1160                    fread (&robot_fire_buf[i][0],21,1,fp);
1161 #endif
1162
1163            for (i=0;i<nplayers;i++)
1164                  {
1165                   found=0;
1166                   for (j=0;j<nplayers;j++)
1167                          {
1168            if ((!strcmp (restore_players[i].callsign,Players[j].callsign)) && Players[j].connected==1)
1169                                  found=1;
1170                          }
1171                   restore_players[i].connected=found;
1172             }
1173                 memcpy (&Players,&restore_players,sizeof(player)*nplayers);
1174                 N_players=nplayers;
1175
1176       if (network_i_am_master())
1177                  {
1178                   for (i=0;i<N_players;i++)
1179                         {
1180                          if (i==Player_num)
1181                                 continue;
1182                  Players[i].connected=0;
1183                         }
1184                  }
1185
1186                 //Viewer = ConsoleObject = &Objects[Players[Player_num].objnum];
1187          }
1188
1189 #endif
1190
1191 //Read player info
1192
1193         {
1194                 StartNewLevelSub(current_level, 1, secret_restore);
1195
1196                 if (secret_restore) {
1197                         player  dummy_player;
1198
1199                         fread( &dummy_player, sizeof(player), 1, fp );
1200                         if (secret_restore == 1) {              //      This means he didn't die, so he keeps what he got in the secret level.
1201                                 Players[Player_num].level = dummy_player.level;
1202                                 Players[Player_num].last_score = dummy_player.last_score;
1203                                 Players[Player_num].time_level = dummy_player.time_level;
1204
1205                                 Players[Player_num].num_robots_level = dummy_player.num_robots_level;
1206                                 Players[Player_num].num_robots_total = dummy_player.num_robots_total;
1207                                 Players[Player_num].hostages_rescued_total = dummy_player.hostages_rescued_total;
1208                                 Players[Player_num].hostages_total = dummy_player.hostages_total;
1209                                 Players[Player_num].hostages_on_board = dummy_player.hostages_on_board;
1210                                 Players[Player_num].hostages_level = dummy_player.hostages_level;
1211                                 Players[Player_num].homing_object_dist = dummy_player.homing_object_dist;
1212                                 Players[Player_num].hours_level = dummy_player.hours_level;
1213                                 Players[Player_num].hours_total = dummy_player.hours_total;
1214                                 do_cloak_invul_secret_stuff(old_gametime);
1215                         } else {
1216                                 Players[Player_num] = dummy_player;
1217                         }
1218                 } else {
1219                         fread( &Players[Player_num], sizeof(player), 1, fp );
1220                 }
1221         }
1222         strcpy( Players[Player_num].callsign, org_callsign );
1223
1224 // Set the right level
1225         if ( between_levels )
1226                 Players[Player_num].level = next_level;
1227
1228 // Restore the weapon states
1229         fread( &Primary_weapon, sizeof(byte), 1, fp );
1230         fread( &Secondary_weapon, sizeof(byte), 1, fp );
1231
1232         select_weapon(Primary_weapon, 0, 0, 0);
1233         select_weapon(Secondary_weapon, 1, 0, 0);
1234
1235 // Restore the difficulty level
1236         fread( &Difficulty_level, sizeof(int), 1, fp );
1237
1238 // Restore the cheats enabled flag
1239
1240    fread (&Cheats_enabled,sizeof(int),1,fp);
1241
1242         if ( !between_levels )  {
1243                 Do_appearance_effect = 0;                       // Don't do this for middle o' game stuff.
1244
1245                 ObjectStartLocation = ftell( fp );
1246                 //Clear out all the objects from the lvl file
1247                 for (segnum=0; segnum <= Highest_segment_index; segnum++)
1248                         Segments[segnum].objects = -1;
1249                 reset_objects(1);
1250
1251                 //Read objects, and pop 'em into their respective segments.
1252                 fread( &i, sizeof(int), 1, fp );
1253                 Highest_object_index = i-1;
1254                 fread( Objects, sizeof(object)*i, 1, fp );
1255
1256                 Object_next_signature = 0;
1257                 for (i=0; i<=Highest_object_index; i++ )        {
1258                         obj = &Objects[i];
1259                         obj->rtype.pobj_info.alt_textures = -1;
1260                         segnum = obj->segnum;
1261                         obj->next = obj->prev = obj->segnum = -1;
1262                         if ( obj->type != OBJ_NONE )    {
1263                                 obj_link(i,segnum);
1264                                 if ( obj->signature > Object_next_signature )
1265                                         Object_next_signature = obj->signature;
1266                         }
1267
1268                         //look for, and fix, boss with bogus shields
1269                         if (obj->type == OBJ_ROBOT && Robot_info[obj->id].boss_flag) {
1270                                 fix save_shields = obj->shields;
1271
1272                                 copy_defaults_to_robot(obj);            //calculate starting shields
1273
1274                                 //if in valid range, use loaded shield value
1275                                 if (save_shields > 0 && save_shields <= obj->shields)
1276                                         obj->shields = save_shields;
1277                                 else
1278                                         obj->shields /= 2;  //give player a break
1279                         }
1280
1281                 }
1282                 special_reset_objects();
1283                 Object_next_signature++;
1284
1285                 //      1 = Didn't die on secret level.
1286                 //      2 = Died on secret level.
1287                 if (secret_restore && (Current_level_num >= 0)) {
1288                         set_pos_from_return_segment();
1289                         if (secret_restore == 2)
1290                                 init_player_stats_new_ship();
1291                 }
1292
1293                 //Restore wall info
1294                 fread( &i, sizeof(int), 1, fp );
1295                 Num_walls = i;
1296                 fread( Walls, sizeof(wall)*Num_walls, 1, fp );
1297
1298                 //now that we have the walls, check if any sounds are linked to
1299                 //walls that are now open
1300                 for (i=0;i<Num_walls;i++) {
1301                         if (Walls[i].type == WALL_OPEN)
1302                                 digi_kill_sound_linked_to_segment(Walls[i].segnum,Walls[i].sidenum,-1); //-1 means kill any sound
1303                 }
1304
1305                 //Restore exploding wall info
1306                 if (version >= 10) {
1307                         fread( &i, sizeof(int), 1, fp );
1308                         fread( expl_wall_list, sizeof(*expl_wall_list), i, fp );
1309                 }
1310
1311                 //Restore door info
1312                 fread( &i, sizeof(int), 1, fp );
1313                 Num_open_doors = i;
1314                 fread( ActiveDoors, sizeof(active_door)*Num_open_doors, 1, fp );
1315
1316                 if (version >= 14) {            //Restore cloaking wall info
1317                         fread( &i, sizeof(int), 1, fp );
1318                         Num_cloaking_walls = i;
1319                         fread( CloakingWalls, sizeof(cloaking_wall), Num_cloaking_walls, fp );
1320                 }
1321
1322                 //Restore trigger info
1323                 fread( &Num_triggers, sizeof(int), 1, fp );
1324                 fread( Triggers, sizeof(trigger)*Num_triggers, 1, fp );
1325
1326                 //Restore tmap info
1327                 for (i=0; i<=Highest_segment_index; i++ )       {
1328                         for (j=0; j<6; j++ )    {
1329                                 fread( &Segments[i].sides[j].wall_num, sizeof(short), 1, fp );
1330                                 fread( &Segments[i].sides[j].tmap_num, sizeof(short), 1, fp );
1331                                 fread( &Segments[i].sides[j].tmap_num2, sizeof(short), 1, fp );
1332                         }
1333                 }
1334
1335                 //Restore the fuelcen info
1336                 fread( &Control_center_destroyed, sizeof(int), 1, fp );
1337                 fread( &Countdown_timer, sizeof(int), 1, fp );
1338                 fread( &Num_robot_centers, sizeof(int), 1, fp );
1339                 fread( RobotCenters, sizeof(matcen_info)*Num_robot_centers, 1, fp );
1340                 fread( &ControlCenterTriggers, sizeof(control_center_triggers), 1, fp );
1341                 fread( &Num_fuelcenters, sizeof(int), 1, fp );
1342                 fread( Station, sizeof(FuelCenter)*Num_fuelcenters, 1, fp );
1343
1344                 // Restore the control cen info
1345                 fread( &Control_center_been_hit, sizeof(int), 1, fp );
1346                 fread( &Control_center_player_been_seen, sizeof(int), 1, fp );
1347                 fread( &Control_center_next_fire_time, sizeof(int), 1, fp );
1348                 fread( &Control_center_present, sizeof(int), 1, fp );
1349                 fread( &Dead_controlcen_object_num, sizeof(int), 1, fp );
1350
1351                 // Restore the AI state
1352                 ai_restore_state( fp, version );
1353
1354                 // Restore the automap visited info
1355                 fread( Automap_visited, sizeof(ubyte)*MAX_SEGMENTS, 1, fp );
1356
1357                 //      Restore hacked up weapon system stuff.
1358                 Fusion_next_sound_time = GameTime;
1359                 Auto_fire_fusion_cannon_time = 0;
1360                 Next_laser_fire_time = GameTime;
1361                 Next_missile_fire_time = GameTime;
1362                 Last_laser_fired_time = GameTime;
1363
1364         }
1365         state_game_id = 0;
1366
1367         if ( version >= 7 )     {
1368                 fread( &state_game_id, sizeof(uint), 1, fp );
1369                 fread( &Laser_rapid_fire, sizeof(int), 1, fp );
1370                 fread( &Lunacy, sizeof(int), 1, fp );           //      Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
1371                 fread( &Lunacy, sizeof(int), 1, fp );
1372                 if ( Lunacy )
1373                         do_lunacy_on();
1374         }
1375
1376         if (version >= 17) {
1377                 fread(MarkerObject,sizeof(MarkerObject),1,fp);
1378                 fread(MarkerOwner,sizeof(MarkerOwner),1,fp);
1379                 fread(MarkerMessage,sizeof(MarkerMessage),1,fp);
1380         }
1381         else {
1382                 int num,dummy;
1383
1384                 // skip dummy info
1385
1386                 fread (&num,sizeof(int),1,fp);                  //was NumOfMarkers
1387                 fread (&dummy,sizeof(int),1,fp);                        //was CurMarker
1388
1389                 fseek( fp, num * (sizeof(vms_vector) + 40), SEEK_CUR );
1390
1391                 for (num=0;num<NUM_MARKERS;num++)
1392                         MarkerObject[num] = -1;
1393         }
1394
1395         if (version>=11) {
1396                 if (secret_restore != 1)
1397                         fread (&Afterburner_charge,sizeof(fix),1,fp);
1398                 else {
1399                         fix     dummy_fix;
1400                         fread (&dummy_fix,sizeof(fix),1,fp);
1401                 }
1402         }
1403         if (version>=12) {
1404                 //read last was super information
1405                 fread(&Primary_last_was_super,sizeof(Primary_last_was_super),1,fp);
1406                 fread(&Secondary_last_was_super,sizeof(Secondary_last_was_super),1,fp);
1407         }
1408
1409         if (version >= 12) {
1410                 fread( &Flash_effect, sizeof(int), 1, fp );
1411                 fread( &Time_flash_last_played, sizeof(int), 1, fp );
1412                 fread( &PaletteRedAdd, sizeof(int), 1, fp);
1413                 fread( &PaletteGreenAdd, sizeof(int), 1, fp);
1414                 fread( &PaletteBlueAdd, sizeof(int), 1, fp);
1415         } else {
1416                 Flash_effect = 0;
1417                 Time_flash_last_played = 0;
1418                 PaletteRedAdd = 0;
1419                 PaletteGreenAdd = 0;
1420                 PaletteBlueAdd = 0;
1421         }
1422
1423         //      Load Light_subtracted
1424         if (version >= 16) {
1425                 fread(Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS, fp);
1426                 apply_all_changed_light();
1427                 compute_all_static_light();     //      set static_light field in segment struct.  See note at that function.
1428         } else {
1429                 int     i;
1430                 for (i=0; i<=Highest_segment_index; i++)
1431                         Light_subtracted[i] = 0;
1432         }
1433
1434         if (!secret_restore) {
1435                 if (version >= 20) {
1436                         fread(&First_secret_visit, sizeof(First_secret_visit), 1, fp);
1437                         mprintf((0, "File: [%s] Read First_secret_visit: New value = %i\n", filename, First_secret_visit));
1438                 } else
1439                         First_secret_visit = 1;
1440         } else
1441                 First_secret_visit = 0;
1442
1443         if (version >= 22)
1444         {
1445                 if (secret_restore != 1)
1446                         fread (&Omega_charge,sizeof(fix),1,fp);
1447                 else {
1448                         fix     dummy_fix;
1449                         fread (&dummy_fix,sizeof(fix),1,fp);
1450                 }
1451         }
1452
1453         fclose(fp);
1454
1455 #ifdef NETWORK
1456    if (Game_mode & GM_MULTI)   // Get rid of ships that aren't
1457          {                                                                       // connected in the restored game
1458                 for (i=0;i<nplayers;i++)
1459                  {
1460                   mprintf ((0,"Testing %s = %d\n",Players[i].callsign,Players[i].connected));
1461                   if (Players[i].connected!=1)
1462                    {
1463                     network_disconnect_player (i);
1464                create_player_appearance_effect(&Objects[Players[i].objnum]);
1465                          mprintf ((0,"Killing player ship %s!\n",Players[i].callsign));
1466               }
1467                  }
1468
1469          }
1470 #endif
1471
1472 // Load in bitmaps, etc..
1473 //!!    piggy_load_level_data();        //already done by StartNewLevelSub()
1474
1475         return 1;
1476 }
1477
1478 //      When loading a saved game, segp->static_light is bogus.
1479 //      This is because apply_all_changed_light, which is supposed to properly update this value,
1480 //      cannot do so because it needs the original light cast from a light which is no longer there.
1481 //      That is, a light has been blown out, so the texture remaining casts 0 light, but the static light
1482 //      which is present in the static_light field contains the light cast from that light.
1483 void compute_all_static_light(void)
1484 {
1485         int     i, j, k;
1486
1487         for (i=0; i<=Highest_segment_index; i++) {
1488                 fix     total_light;
1489                 segment *segp;
1490
1491                 segp = &Segments[i];
1492                 total_light = 0;
1493
1494                 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++) {
1495                         side    *sidep;
1496
1497                         sidep = &segp->sides[j];
1498
1499                         for (k=0; k<4; k++)
1500                                 total_light += sidep->uvls[k].l;
1501                 }
1502
1503                 Segment2s[i].static_light = total_light/(MAX_SIDES_PER_SEGMENT*4);
1504         }
1505
1506 }
1507
1508
1509 int state_get_game_id(char *filename)
1510 {
1511         int version;
1512         FILE *fp;
1513         int between_levels;
1514         char mission[16];
1515         char desc[DESC_LENGTH+1];
1516         char id[5];
1517         int dumbint;
1518
1519 mprintf((0, "Restoring multigame from [%s]\n", filename));
1520
1521         fp = fopen( filename, "rb" );
1522         if ( !fp ) return 0;
1523
1524 //Read id
1525         fread( id, sizeof(char)*4, 1, fp );
1526         if ( memcmp( id, dgss_id, 4 )) {
1527                 fclose(fp);
1528                 return 0;
1529         }
1530
1531 //Read version
1532         fread( &version, sizeof(int), 1, fp );
1533         if (version < STATE_COMPATIBLE_VERSION) {
1534                 fclose(fp);
1535                 return 0;
1536         }
1537
1538 // Read description
1539         fread( desc, sizeof(char)*DESC_LENGTH, 1, fp );
1540
1541 // Skip the current screen shot...
1542         fseek( fp, THUMBNAIL_W*THUMBNAIL_H, SEEK_CUR );
1543
1544 // And now...skip the palette stuff that somebody forgot to add
1545         fseek( fp, 768, SEEK_CUR );
1546
1547 // Read the Between levels flag...
1548         fread( &between_levels, sizeof(int), 1, fp );
1549
1550         Assert(between_levels == 0);    //between levels save ripped out
1551
1552 // Read the mission info...
1553         fread( mission, sizeof(char)*9, 1, fp );
1554 //Read level info
1555         fread( &dumbint, sizeof(int), 1, fp );
1556         fread( &dumbint, sizeof(int), 1, fp );
1557
1558 //Restore GameTime
1559         fread( &dumbint, sizeof(fix), 1, fp );
1560
1561         fread (&state_game_id,sizeof(int),1,fp);
1562
1563         return (state_game_id);
1564  }
1565
1566 #if defined(POLY_ACC)
1567 //void screen_shot_pa(ubyte *dst,ushort *src)
1568 //{
1569 //    //ushort *src = pa_get_buffer_address(0),
1570 //    ushort *s;
1571 //    fix u, v, du, dv;
1572 //    int ui, w, h;
1573 //
1574 //    pa_flush();
1575 //
1576 //    du = (640.0 / (float)THUMBNAIL_W) * 65536.0;
1577 //    dv = (480.0 / (float)THUMBNAIL_H) * 65536.0;
1578 //
1579 //    for(v = h = 0; h != THUMBNAIL_H; ++h)
1580 //    {
1581 //        s = src + f2i(v) * 640;
1582 //        v += dv;
1583 //        for(u = w = 0; w != THUMBNAIL_W; ++w)
1584 //        {
1585 //            ui = f2i(u);
1586 //            *dst++ = gr_find_closest_color((s[ui] >> 9) & 0x3e, (s[ui] >> 4) & 0x3e, (s[ui] << 1) & 0x3e);
1587 //            u += du;
1588 //        }
1589 //    }
1590 //}
1591
1592 void screen_shot_pa(grs_canvas *dcanv,grs_canvas *scanv)
1593 {
1594 #if !defined(MACINTOSH)
1595         ubyte *dst;
1596         ushort *src;
1597         int x,y;
1598
1599         Assert(scanv->cv_w == dcanv->cv_w && scanv->cv_h == dcanv->cv_h);
1600
1601         pa_flush();
1602
1603         src = (ushort *) scanv->cv_bitmap.bm_data;
1604         dst = dcanv->cv_bitmap.bm_data;
1605
1606         #ifdef PA_3DFX_VOODOO
1607    src=(ushort *)pa_set_back_to_read();
1608         #endif
1609
1610         for (y=0; y<scanv->cv_h; y++) {
1611                 for (x=0; x<scanv->cv_w; x++) {
1612                         #ifdef PA_3DFX_VOODOO
1613                         *dst++ = gr_find_closest_color((*src >> 10) & 0x3e, (*src >> 5) & 0x3f, (*src << 1) & 0x3e);
1614                         #else
1615                         *dst++ = gr_find_closest_color((*src >> 9) & 0x3e, (*src >> 4) & 0x3e, (*src << 1) & 0x3e);
1616                         #endif
1617
1618                         src++;
1619                 }
1620                 src = (ushort *) (((ubyte *) src) + (scanv->cv_bitmap.bm_rowsize - (scanv->cv_bitmap.bm_w*PA_BPP)));
1621                 dst += dcanv->cv_bitmap.bm_rowsize - dcanv->cv_bitmap.bm_w;
1622         }
1623         #ifdef PA_3DFX_VOODOO
1624         pa_set_front_to_read();
1625         #endif
1626 #endif
1627 }
1628 #endif
1629