main/state.c

   1 /*
   2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   3 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   6 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   8 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
   9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  12 */
  13
  14 /*
  15  * $Source: /cvs/cvsroot/d2x/main/state.c,v $
  16  * $Revision: 1.5 $
  17  * $Author: bradleyb $
  18  * $Date: 2001-11-09 11:40:25 $
  19  *
  20  * Game save/restore functions
  21  *
  22  * $Log: not supported by cvs2svn $
  23  *
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 #include <conf.h>
  28 #endif
  29
  30 #ifdef WINDOWS
  31 #include "desw.h"
  32 #endif
  33
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <math.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40 #include <errno.h>
  41 #ifdef MACINTOSH
  42 #include <Files.h>
  43 #endif
  44
  45 #ifdef OGL
  46 #include <GL/gl.h>
  47 #endif
  48
  49 #include "pstypes.h"
  50 #include "pa_enabl.h"                   //$$POLY_ACC
  51 #include "mono.h"
  52 #include "inferno.h"
  53 #include "segment.h"
  54 #include "textures.h"
  55 #include "wall.h"
  56 #include "object.h"
  57 #include "digi.h"
  58 #include "gamemine.h"
  59 #include "error.h"
  60 #include "gameseg.h"
  61 #include "menu.h"
  62 #include "switch.h"
  63 #include "game.h"
  64 #include "screens.h"
  65 #include "newmenu.h"
  66 #include "cfile.h"
  67 #include "fuelcen.h"
  68 #include "hash.h"
  69 #include "key.h"
  70 #include "piggy.h"
  71 #include "player.h"
  72 #include "cntrlcen.h"
  73 #include "morph.h"
  74 #include "weapon.h"
  75 #include "render.h"
  76 #include "gameseq.h"
  77 #include "gauges.h"
  78 #include "newdemo.h"
  79 #include "automap.h"
  80 #include "piggy.h"
  81 #include "paging.h"
  82 #include "titles.h"
  83 #include "text.h"
  84 #include "mission.h"
  85 #include "pcx.h"
  86 #include "u_mem.h"
  87 #ifdef NETWORK
  88 #include "network.h"
  89 #endif
  90 #include "args.h"
  91 #include "ai.h"
  92 #include "fireball.h"
  93 #include "controls.h"
  94 #include "laser.h"
  95 #include "multibot.h"
  96 #include "state.h"
  97
  98 #if defined(POLY_ACC)
  99 #include "poly_acc.h"
 100 #endif
 101
 102 #ifdef OGL
 103 #include "gr.h"
 104 #endif
 105
 106 #define STATE_VERSION 22
 107 #define STATE_COMPATIBLE_VERSION 20
 108 // 0 - Put DGSS (Descent Game State Save) id at tof.
 109 // 1 - Added Difficulty level save
 110 // 2 - Added Cheats_enabled flag
 111 // 3 - Added between levels save.
 112 // 4 - Added mission support
 113 // 5 - Mike changed ai and object structure.
 114 // 6 - Added buggin' cheat save
 115 // 7 - Added other cheat saves and game_id.
 116 // 8 - Added AI stuff for escort and thief.
 117 // 9 - Save palette with screen shot
 118 // 12- Saved last_was_super array
 119 // 13- Saved palette flash stuff
 120 // 14- Save cloaking wall stuff
 121 // 15- Save additional ai info
 122 // 16- Save Light_subtracted
 123 // 17- New marker save
 124 // 18- Took out saving of old cheat status
 125 // 19- Saved cheats_enabled flag
 126 // 20- First_secret_visit
 127 // 22- Omega_charge
 128
 129 #define NUM_SAVES 9
 130 #define THUMBNAIL_W 100
 131 #define THUMBNAIL_H 50
 132 #define DESC_LENGTH 20
 133
 134 extern void multi_initiate_save_game();
 135 extern void multi_initiate_restore_game();
 136 extern void apply_all_changed_light(void);
 137
 138 extern int Do_appearance_effect;
 139 extern fix Fusion_next_sound_time;
 140
 141 extern int Laser_rapid_fire;
 142 extern int Physics_cheat_flag;
 143 extern int      Lunacy;
 144 extern void do_lunacy_on(void);
 145 extern void do_lunacy_off(void);
 146 extern int First_secret_visit;
 147
 148 int sc_last_item= 0;
 149 grs_bitmap *sc_bmp[NUM_SAVES+1];
 150
 151 char dgss_id[4] = "DGSS";
 152
 153 int state_default_item = 0;
 154
 155 uint state_game_id;
 156
 157 extern int robot_controlled[MAX_ROBOTS_CONTROLLED];
 158 extern int robot_agitation[MAX_ROBOTS_CONTROLLED];
 159 extern fix robot_controlled_time[MAX_ROBOTS_CONTROLLED];
 160 extern fix robot_last_send_time[MAX_ROBOTS_CONTROLLED];
 161 extern fix robot_last_message_time[MAX_ROBOTS_CONTROLLED];
 162 extern int robot_send_pending[MAX_ROBOTS_CONTROLLED];
 163 extern int robot_fired[MAX_ROBOTS_CONTROLLED];
 164 extern byte robot_fire_buf[MAX_ROBOTS_CONTROLLED][18+3];
 165
 166
 167 #if defined(WINDOWS) || defined(MACINTOSH)
 168 extern ubyte Hack_DblClick_MenuMode;
 169 #endif
 170
 171 void compute_all_static_light(void);
 172
 173 //-------------------------------------------------------------------
 174 void state_callback(int nitems,newmenu_item * items, int * last_key, int citem)
 175 {
 176         nitems = nitems;
 177         last_key = last_key;
 178
 179 //      if ( sc_last_item != citem )    {
 180 //              sc_last_item = citem;
 181                 if ( citem > 0 )        {
 182                         if ( sc_bmp[citem-1] )  {
 183                                 if (MenuHires) {
 184                                 WINDOS(
 185                                         dd_grs_canvas *save_canv = dd_grd_curcanv,
 186                                         grs_canvas *save_canv = grd_curcanv
 187                                 );
 188                                         grs_canvas *temp_canv = gr_create_canvas(THUMBNAIL_W*2,(THUMBNAIL_H*24/10));
 189                                         grs_point vertbuf[3] = {{0,0}, {0,0}, {i2f(THUMBNAIL_W*2),i2f(THUMBNAIL_H*24/10)} };
 190                                         gr_set_current_canvas(temp_canv);
 191                                         scale_bitmap(sc_bmp[citem-1], vertbuf, 0 );
 192                                 WINDOS(
 193                                         dd_gr_set_current_canvas(save_canv),
 194                                         gr_set_current_canvas( save_canv )
 195                                 );
 196                                 WIN(DDGRLOCK(dd_grd_curcanv));
 197                                         gr_bitmap( (grd_curcanv->cv_bitmap.bm_w-THUMBNAIL_W*2)/2,items[0].y-10, &temp_canv->cv_bitmap);
 198                                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 199                                         gr_free_canvas(temp_canv);
 200                                 }
 201                                 else    {
 202                                 #ifdef WINDOWS
 203                                         Int3();
 204                                 #else
 205                                         gr_bitmap( (grd_curcanv->cv_bitmap.bm_w-THUMBNAIL_W)/2,items[0].y-5, sc_bmp[citem-1] );
 206                                 #endif
 207                                 }
 208                         }
 209                 }
 210 //      }
 211 }
 212
 213 void rpad_string( char * string, int max_chars )
 214 {
 215         int i, end_found;
 216
 217         end_found = 0;
 218         for( i=0; i<max_chars; i++ )    {
 219                 if ( *string == 0 )
 220                         end_found = 1;
 221                 if ( end_found )
 222                         *string = ' ';
 223                 string++;
 224         }
 225         *string = 0;            // NULL terminate
 226 }
 227
 228 int state_get_save_file(char * fname, char * dsc, int multi )
 229 {
 230         FILE * fp;
 231         int i, choice, version;
 232         newmenu_item m[NUM_SAVES+2];
 233         char filename[NUM_SAVES+1][30];
 234         char desc[NUM_SAVES+1][DESC_LENGTH+16];
 235         char id[5];
 236         int valid=0;
 237
 238         for (i=0;i<NUM_SAVES; i++ )     {
 239                 sc_bmp[i] = NULL;
 240                 if ( !multi )
 241                         #ifndef MACINTOSH
 242                         sprintf( filename[i], "%s.sg%x", Players[Player_num].callsign, i );
 243                         #else
 244                         sprintf( filename[i], ":Players:%s.sg%x", Players[Player_num].callsign, i );
 245                         #endif
 246                 else
 247                         #ifndef MACINTOSH
 248                         sprintf( filename[i], "%s.mg%x", Players[Player_num].callsign, i );
 249                         #else
 250                         sprintf( filename[i], ":Players:%s.mg%x", Players[Player_num].callsign, i );
 251                         #endif
 252                 valid = 0;
 253                 fp = fopen( filename[i], "rb" );
 254                 if ( fp ) {
 255                         //Read id
 256                         fread( id, sizeof(char)*4, 1, fp );
 257                         if ( !memcmp( id, dgss_id, 4 )) {
 258                                 //Read version
 259                                 fread( &version, sizeof(int), 1, fp );
 260                                 if (version >= STATE_COMPATIBLE_VERSION)        {
 261                                         // Read description
 262                                         fread( desc[i], sizeof(char)*DESC_LENGTH, 1, fp );
 263                                         //rpad_string( desc[i], DESC_LENGTH-1 );
 264                                         // Read thumbnail
 265                                         //sc_bmp[i] = gr_create_bitmap(THUMBNAIL_W,THUMBNAIL_H );
 266                                         //fread( sc_bmp[i]->bm_data, THUMBNAIL_W * THUMBNAIL_H, 1, fp );
 267                                         valid = 1;
 268                                 }
 269                         }
 270                         fclose(fp);
 271                 }
 272                 if (!valid) {
 273                         strcpy( desc[i], TXT_EMPTY );
 274                         //rpad_string( desc[i], DESC_LENGTH-1 );
 275                 }
 276                 m[i].type = NM_TYPE_INPUT_MENU; m[i].text = desc[i]; m[i].text_len = DESC_LENGTH-1;
 277         }
 278
 279         sc_last_item = -1;
 280         choice = newmenu_do1( NULL, "Save Game", NUM_SAVES, m, NULL, state_default_item );
 281
 282         for (i=0; i<NUM_SAVES; i++ )    {
 283                 if ( sc_bmp[i] )
 284                         gr_free_bitmap( sc_bmp[i] );
 285         }
 286
 287         if (choice > -1) {
 288                 strcpy( fname, filename[choice] );
 289                 strcpy( dsc, desc[choice] );
 290                 state_default_item = choice;
 291                 return choice+1;
 292         }
 293         return 0;
 294 }
 295
 296 int RestoringMenu=0;
 297 extern int Current_display_mode;
 298
 299 int state_get_restore_file(char * fname, int multi)
 300 {
 301         FILE * fp;
 302         int i, choice, version, nsaves;
 303         newmenu_item m[NUM_SAVES+2];
 304         char filename[NUM_SAVES+1][30];
 305         char desc[NUM_SAVES+1][DESC_LENGTH + 16];
 306         char id[5];
 307         int valid;
 308
 309         nsaves=0;
 310         m[0].type = NM_TYPE_TEXT; m[0].text = "\n\n\n\n";
 311         for (i=0;i<NUM_SAVES+1; i++ )   {
 312                 sc_bmp[i] = NULL;
 313                 if (!multi)
 314                         #ifndef MACINTOSH
 315                         sprintf( filename[i], "%s.sg%x", Players[Player_num].callsign, i );
 316                         #else
 317                         sprintf( filename[i], ":Players:%s.sg%x", Players[Player_num].callsign, i );
 318                         #endif
 319                 else
 320                         #ifndef MACINTOSH
 321                         sprintf( filename[i], "%s.mg%x", Players[Player_num].callsign, i );
 322                         #else
 323                         sprintf( filename[i], ":Players:%s.mg%x", Players[Player_num].callsign, i );
 324                         #endif
 325                 valid = 0;
 326                 fp = fopen( filename[i], "rb" );
 327                 if ( fp ) {
 328                         //Read id
 329                         fread( id, sizeof(char)*4, 1, fp );
 330                         if ( !memcmp( id, dgss_id, 4 )) {
 331                                 //Read version
 332                                 fread( &version, sizeof(int), 1, fp );
 333                                 if (version >= STATE_COMPATIBLE_VERSION)        {
 334                                         // Read description
 335                                         fread( desc[i], sizeof(char)*DESC_LENGTH, 1, fp );
 336                                         //rpad_string( desc[i], DESC_LENGTH-1 );
 337                                         m[i+1].type = NM_TYPE_MENU; m[i+1].text = desc[i];
 338                                         // Read thumbnail
 339                                         sc_bmp[i] = gr_create_bitmap(THUMBNAIL_W,THUMBNAIL_H );
 340                                         fread( sc_bmp[i]->bm_data, THUMBNAIL_W * THUMBNAIL_H, 1, fp );
 341                                         if (version >= 9) {
 342                                                 ubyte pal[256*3];
 343                                                 fread( pal, 3, 256, fp);
 344                                                 gr_remap_bitmap_good( sc_bmp[i], pal, -1, -1 );
 345                                         }
 346                                         nsaves++;
 347                                         valid = 1;
 348                                 }
 349                         }
 350                         fclose(fp);
 351                 }
 352                 if (!valid) {
 353                         strcpy( desc[i], TXT_EMPTY );
 354                         //rpad_string( desc[i], DESC_LENGTH-1 );
 355                         m[i+1].type = NM_TYPE_TEXT; m[i+1].text = desc[i];
 356                 }
 357         }
 358
 359         if ( nsaves < 1 )       {
 360                 nm_messagebox( NULL, 1, "Ok", "No saved games were found!" );
 361                 return 0;
 362         }
 363
 364         if (Current_display_mode == 3)  //restore menu won't fit on 640x400
 365                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 366
 367         sc_last_item = -1;
 368
 369 #if defined(WINDOWS) || defined(MACINTOSH)
 370         Hack_DblClick_MenuMode = 1;
 371 #endif
 372
 373    RestoringMenu=1;
 374         choice = newmenu_do3( NULL, "Select Game to Restore", NUM_SAVES+2, m, state_callback, state_default_item+1, NULL, 190, -1 );
 375    RestoringMenu=0;
 376
 377 #if defined(WINDOWS) || defined(MACINTOSH)
 378         Hack_DblClick_MenuMode = 0;
 379 #endif
 380
 381         if (Current_display_mode == 3)  //set flag back
 382                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 383
 384
 385         for (i=0; i<NUM_SAVES+1; i++ )  {
 386                 if ( sc_bmp[i] )
 387                         gr_free_bitmap( sc_bmp[i] );
 388         }
 389
 390         if (choice > 0) {
 391                 strcpy( fname, filename[choice-1] );
 392                 if (choice != NUM_SAVES+1)              //no new default when restore from autosave
 393                         state_default_item = choice - 1;
 394                 return choice;
 395         }
 396         return 0;
 397 }
 398
 399 #define DESC_OFFSET     8
 400
 401 //      -----------------------------------------------------------------------------------
 402 //      Return true if the file named *filename exists, else return false.
 403 int file_exists(char *filename)
 404 {
 405         FILE    *fp;
 406
 407         if ((fp = fopen(filename, "rb")) != NULL) {
 408                 fclose(fp);
 409                 return 1;
 410         }
 411
 412         return 0;
 413 }
 414
 415 #define CF_BUF_SIZE     1024
 416
 417 //      -----------------------------------------------------------------------------------
 418 //      Imagine if C had a function to copy a file...
 419 int copy_file(char *old_file, char *new_file)
 420 {
 421         byte    buf[CF_BUF_SIZE];
 422         FILE    *in_file, *out_file;
 423
 424         out_file = fopen(new_file, "wb");
 425
 426         if (out_file == NULL)
 427                 return -1;
 428
 429         in_file = fopen(old_file, "rb");
 430
 431         if (in_file == NULL)
 432                 return -2;
 433
 434         while (!feof(in_file)) {
 435                 int bytes_read;
 436
 437                 bytes_read = fread(buf, 1, CF_BUF_SIZE, in_file);
 438                 if (ferror(in_file))
 439                         Error("Cannot read from file <%s>: %s", old_file, strerror(errno));
 440
 441                 Assert(bytes_read == CF_BUF_SIZE || feof(in_file));
 442
 443                 fwrite(buf, 1, bytes_read, out_file);
 444
 445                 if (ferror(out_file))
 446                         Error("Cannot write to file <%s>: %s", new_file, strerror(errno));
 447         }
 448
 449         if (fclose(in_file)) {
 450                 fclose(out_file);
 451                 return -3;
 452         }
 453
 454         if (fclose(out_file))
 455                 return -4;
 456
 457         return 0;
 458 }
 459
 460 #ifndef MACINTOSH
 461 #define SECRETB_FILENAME        "secret.sgb"
 462 #define SECRETC_FILENAME        "secret.sgc"
 463 #else
 464 #define SECRETB_FILENAME        ":Players:secret.sgb"
 465 #define SECRETC_FILENAME        ":Players:secret.sgc"
 466 #endif
 467
 468 extern int Final_boss_is_dead;
 469
 470 //      -----------------------------------------------------------------------------------
 471 //      blind_save means don't prompt user for any info.
 472 int state_save_all(int between_levels, int secret_save, char *filename_override)
 473 {
 474         int     rval, filenum = -1;
 475
 476         char    filename[128], desc[DESC_LENGTH+1];
 477
 478         Assert(between_levels == 0);    //between levels save ripped out
 479
 480 #ifdef NETWORK
 481         if ( Game_mode & GM_MULTI )     {
 482                         multi_initiate_save_game();
 483                 return 0;
 484         }
 485 #endif
 486
 487         if ((Current_level_num < 0) && (secret_save == 0)) {
 488                 HUD_init_message( "Can't save in secret level!" );
 489                 return 0;
 490         }
 491
 492         if (Final_boss_is_dead)         //don't allow save while final boss is dying
 493                 return 0;
 494
 495         mprintf(( 0, "CL=%d, NL=%d\n", Current_level_num, Next_level_num ));
 496
 497         //      If this is a secret save and the control center has been destroyed, don't allow
 498         //      return to the base level.
 499         if (secret_save && (Control_center_destroyed)) {
 500                 mprintf((0, "Deleting secret.sgb so player can't return to base level.\n"));
 501                 unlink(SECRETB_FILENAME);
 502                 return 0;
 503         }
 504
 505         stop_time();
 506
 507         if (secret_save == 1) {
 508                 filename_override = filename;
 509                 sprintf(filename_override, SECRETB_FILENAME);
 510         } else if (secret_save == 2) {
 511                 filename_override = filename;
 512                 sprintf(filename_override, SECRETC_FILENAME);
 513         } else {
 514                 if (filename_override) {
 515                         strcpy( filename, filename_override);
 516                         sprintf(desc, "[autosave backup]");
 517                 } else if (!(filenum = state_get_save_file(filename,desc,0))) {
 518                         start_time();
 519                         return 0;
 520                 }
 521         }
 522
 523         //      MK, 1/1/96
 524         //      If not in multiplayer, do special secret level stuff.
 525         //      If secret.sgc exists, then copy it to Nsecret.sgc (where N = filenum).
 526         //      If it doesn't exist, then delete Nsecret.sgc
 527         if (!secret_save && !(Game_mode & GM_MULTI)) {
 528                 int     rval;
 529                 char    temp_fname[32], fc;
 530
 531                 if (filenum != -1) {
 532
 533                         if (filenum >= 10)
 534                                 fc = (filenum-10) + 'a';
 535                         else
 536                                 fc = '0' + filenum;
 537
 538                         #ifndef MACINTOSH
 539                         sprintf(temp_fname, "%csecret.sgc", fc);
 540                         #else
 541                         sprintf(temp_fname, ":Players:%csecret.sgc", fc);
 542                         #endif
 543
 544                         mprintf((0, "Trying to copy secret.sgc to %s.\n", temp_fname));
 545
 546                         if (file_exists(temp_fname)) {
 547                                 mprintf((0, "Deleting file %s\n", temp_fname));
 548                                 rval = unlink(temp_fname);
 549                                 Assert(rval == 0);      //      Oops, error deleting file in temp_fname.
 550                         }
 551
 552                         if (file_exists(SECRETC_FILENAME)) {
 553                                 mprintf((0, "Copying secret.sgc to %s.\n", temp_fname));
 554                                 rval = copy_file(SECRETC_FILENAME, temp_fname);
 555                                 Assert(rval == 0);      //      Oops, error copying temp_fname to secret.sgc!
 556                         }
 557                 }
 558         }
 559
 560         //      Save file we're going to save over in last slot and call "[autosave backup]"
 561         if (!filename_override) {
 562                 FILE    *tfp;
 563
 564                 tfp = fopen( filename, "r+b" );
 565
 566                 if ( tfp ) {
 567                         char    newname[128];
 568
 569                         #ifndef MACINTOSH
 570                         sprintf( newname, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
 571                         #else
 572                         sprintf( newname, ":Players:%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
 573                         #endif
 574
 575                         fseek( tfp, DESC_OFFSET, SEEK_SET);
 576                         fwrite( "[autosave backup]", sizeof(char)*DESC_LENGTH, 1, tfp );
 577                         fclose(tfp);
 578                         unlink(newname);
 579                         rename(filename, newname);
 580                 }
 581         }
 582
 583         rval = state_save_all_sub(filename, desc, between_levels);
 584
 585         return rval;
 586 }
 587
 588 extern  fix     Flash_effect, Time_flash_last_played;
 589
 590
 591 int state_save_all_sub(char *filename, char *desc, int between_levels)
 592 {
 593         int i,j;
 594         FILE * fp;
 595         grs_canvas * cnv;
 596         #ifdef POLY_ACC
 597         grs_canvas cnv2,*save_cnv2;
 598         #endif
 599         ubyte *pal;
 600
 601         Assert(between_levels == 0);    //between levels save ripped out
 602
 603 /*      if ( Game_mode & GM_MULTI )     {
 604                 {
 605                 start_time();
 606                 return 0;
 607                 }
 608         }*/
 609
 610         #if defined(MACINTOSH) && !defined(NDEBUG)
 611         if ( strncmp(filename, ":Players:", 9) )
 612                 Int3();
 613         #endif
 614
 615         fp = fopen( filename, "wb" );
 616         if ( !fp ) {
 617                 if ( !(Game_mode & GM_MULTI) )
 618                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 619                 start_time();
 620                 return 0;
 621         }
 622
 623 //Save id
 624         fwrite( dgss_id, sizeof(char)*4, 1, fp );
 625
 626 //Save version
 627         i = STATE_VERSION;
 628         fwrite( &i, sizeof(int), 1, fp );
 629
 630 //Save description
 631         fwrite( desc, sizeof(char)*DESC_LENGTH, 1, fp );
 632
 633 // Save the current screen shot...
 634
 635         cnv = gr_create_canvas( THUMBNAIL_W, THUMBNAIL_H );
 636         if ( cnv )
 637         {
 638 #ifdef OGL
 639                 ubyte *buf;
 640                 int k;
 641 #endif
 642                 #ifdef WINDOWS
 643                         dd_grs_canvas *cnv_save;
 644                         cnv_save = dd_grd_curcanv;
 645                 #else
 646                         grs_canvas * cnv_save;
 647                         cnv_save = grd_curcanv;
 648                 #endif
 649
 650                 #ifndef MACINTOSH
 651
 652                         #if defined(POLY_ACC)
 653
 654                                         PA_DFX (pa_fool_to_backbuffer());
 655
 656                                         //for poly_acc, we render the frame to the normal render buffer
 657                                         //so that this doesn't show, we create yet another canvas to save
 658                                         //and restore what's on the render buffer
 659                                         PA_DFX (pa_alpha_always());
 660                                         PA_DFX (pa_set_front_to_read());
 661                                         gr_init_sub_canvas( &cnv2, &VR_render_buffer[0], 0, 0, THUMBNAIL_W, THUMBNAIL_H );
 662                                         save_cnv2 = gr_create_canvas2(THUMBNAIL_W, THUMBNAIL_H, cnv2.cv_bitmap.bm_type);
 663                                         gr_set_current_canvas( save_cnv2 );
 664                                         PA_DFX (pa_set_front_to_read());
 665                                         gr_bitmap(0,0,&cnv2.cv_bitmap);
 666                                         gr_set_current_canvas( &cnv2 );
 667                         #else
 668                                         gr_set_current_canvas( cnv );
 669                         #endif
 670
 671                                         PA_DFX (pa_set_backbuffer_current());
 672                                         render_frame(0, 0);
 673                                         PA_DFX (pa_alpha_always());
 674
 675 #if defined(POLY_ACC)
 676                                         #ifndef MACINTOSH
 677                                         screen_shot_pa(cnv,&cnv2);
 678                                         #else
 679                                         if ( PAEnabled )
 680                                                 screen_shot_pa(cnv,&cnv2);
 681                                         #endif
 682 #elif defined(OGL)
 683                 buf = d_malloc(THUMBNAIL_W * THUMBNAIL_H * 3);
 684                 glReadBuffer(GL_FRONT);
 685                 glReadPixels(0, SHEIGHT - THUMBNAIL_H, THUMBNAIL_W, THUMBNAIL_H, GL_RGB, GL_UNSIGNED_BYTE, buf);
 686                 k = THUMBNAIL_H;
 687                 for (i = 0; i < THUMBNAIL_W * THUMBNAIL_H; i++) {
 688                         if (!(j = i % THUMBNAIL_W))
 689                                 k--;
 690                         cnv->cv_bitmap.bm_data[THUMBNAIL_W * k + j] =
 691                                 gr_find_closest_color(buf[3*i]/4, buf[3*i+1]/4, buf[3*i+2]/4);
 692                 }
 693                 d_free(buf);
 694 #endif
 695
 696                                         pal = gr_palette;
 697
 698                                         fwrite( cnv->cv_bitmap.bm_data, THUMBNAIL_W*THUMBNAIL_H, 1, fp );
 699
 700                         #if defined(POLY_ACC)
 701                                         PA_DFX (pa_alpha_always());
 702                                         PA_DFX (pa_set_frontbuffer_current());
 703                                         PA_DFX(gr_bitmap(0,0,&save_cnv2->cv_bitmap));
 704                                         PA_DFX (pa_set_backbuffer_current());
 705                                         gr_bitmap(0,0,&save_cnv2->cv_bitmap);
 706                                         gr_free_canvas(save_cnv2);
 707                                         PA_DFX (pa_fool_to_offscreen());
 708
 709                         #endif
 710
 711                 #else   // macintosh stuff below
 712                 {
 713                         #if defined(POLY_ACC)
 714                                 int     savePAEnabled = PAEnabled;
 715                                 PAEnabled = false;
 716                         #endif
 717
 718                         gr_set_current_canvas( cnv );
 719                         render_frame(0, 0);
 720                         pal = gr_palette;
 721                         fwrite( cnv->cv_bitmap.bm_data, THUMBNAIL_W*THUMBNAIL_H, 1, fp );
 722
 723                         #if defined(POLY_ACC)
 724                                 PAEnabled = savePAEnabled;
 725                         #endif
 726                 }
 727                 #endif  // end of ifndef macintosh
 728
 729
 730                 WINDOS(
 731                         dd_gr_set_current_canvas(cnv_save),
 732                         gr_set_current_canvas(cnv_save)
 733                 );
 734                 gr_free_canvas( cnv );
 735                 fwrite( pal, 3, 256, fp);
 736         }
 737         else
 738         {
 739                 ubyte color = 0;
 740                 for ( i=0; i<THUMBNAIL_W*THUMBNAIL_H; i++ )
 741                         fwrite( &color, sizeof(ubyte), 1, fp );
 742         }
 743
 744 // Save the Between levels flag...
 745         fwrite( &between_levels, sizeof(int), 1, fp );
 746
 747 // Save the mission info...
 748         mprintf ((0,"HEY! Mission name is %s\n",Mission_list[Current_mission_num].filename));
 749         fwrite( &Mission_list[Current_mission_num], sizeof(char)*9, 1, fp );
 750
 751 //Save level info
 752         fwrite( &Current_level_num, sizeof(int), 1, fp );
 753         fwrite( &Next_level_num, sizeof(int), 1, fp );
 754
 755 //Save GameTime
 756         fwrite( &GameTime, sizeof(fix), 1, fp );
 757
 758 // If coop save, save all
 759 #ifdef NETWORK
 760    if (Game_mode & GM_MULTI_COOP)
 761          {
 762                 fwrite (&state_game_id,sizeof(int),1,fp);
 763                 fwrite (&Netgame,sizeof(netgame_info),1,fp);
 764                 fwrite (&NetPlayers,sizeof(AllNetPlayers_info),1,fp);
 765                 fwrite (&N_players,sizeof(int),1,fp);
 766                 fwrite (&Player_num,sizeof(int),1,fp);
 767                 for (i=0;i<N_players;i++)
 768                  fwrite (&Players[i],sizeof(player),1,fp);
 769
 770 #ifdef RISKY_PROPOSITION
 771            fwrite (&robot_controlled[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 772            fwrite (&robot_agitation[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 773            fwrite (&robot_controlled_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 774            fwrite (&robot_last_send_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 775            fwrite (&robot_last_message_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 776            fwrite (&robot_send_pending[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 777            fwrite (&robot_fired[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
 778
 779       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
 780                    fwrite (robot_fire_buf[i][0],18+3,1,fp);
 781 #endif
 782
 783          }
 784 #endif
 785
 786 //Save player info
 787         fwrite( &Players[Player_num], sizeof(player), 1, fp );
 788
 789 // Save the current weapon info
 790         fwrite( &Primary_weapon, sizeof(byte), 1, fp );
 791         fwrite( &Secondary_weapon, sizeof(byte), 1, fp );
 792
 793 // Save the difficulty level
 794         fwrite( &Difficulty_level, sizeof(int), 1, fp );
 795 // Save cheats enabled
 796         fwrite (&Cheats_enabled,sizeof(int),1,fp);
 797
 798         if ( !between_levels )  {
 799
 800         //Finish all morph objects
 801                 for (i=0; i<=Highest_object_index; i++ )        {
 802                         if ( (Objects[i].type != OBJ_NONE) && (Objects[i].render_type==RT_MORPH))       {
 803                                 morph_data *md;
 804                                 md = find_morph_data(&Objects[i]);
 805                                 if (md) {
 806                                         md->obj->control_type = md->morph_save_control_type;
 807                                         md->obj->movement_type = md->morph_save_movement_type;
 808                                         md->obj->render_type = RT_POLYOBJ;
 809                                         md->obj->mtype.phys_info = md->morph_save_phys_info;
 810                                         md->obj = NULL;
 811                                 } else {                                                //maybe loaded half-morphed from disk
 812                                         Objects[i].flags |= OF_SHOULD_BE_DEAD;
 813                                         Objects[i].render_type = RT_POLYOBJ;
 814                                         Objects[i].control_type = CT_NONE;
 815                                         Objects[i].movement_type = MT_NONE;
 816                                 }
 817                         }
 818                 }
 819
 820         //Save object info
 821                 i = Highest_object_index+1;
 822                 fwrite( &i, sizeof(int), 1, fp );
 823                 fwrite( Objects, sizeof(object)*i, 1, fp );
 824
 825         //Save wall info
 826                 i = Num_walls;
 827                 fwrite( &i, sizeof(int), 1, fp );
 828                 fwrite( Walls, sizeof(wall)*i, 1, fp );
 829
 830         //Save exploding wall info
 831                 i = MAX_EXPLODING_WALLS;
 832                 fwrite( &i, sizeof(int), 1, fp);
 833                 fwrite( expl_wall_list, sizeof(*expl_wall_list), i, fp );
 834
 835         //Save door info
 836                 i = Num_open_doors;
 837                 fwrite( &i, sizeof(int), 1, fp );
 838                 fwrite( ActiveDoors, sizeof(active_door)*i, 1, fp );
 839
 840         //Save cloaking wall info
 841                 i = Num_cloaking_walls;
 842                 fwrite( &i, sizeof(int), 1, fp );
 843                 fwrite( CloakingWalls, sizeof(cloaking_wall), i, fp );
 844
 845         //Save trigger info
 846                 fwrite( &Num_triggers, sizeof(int), 1, fp );
 847                 fwrite( Triggers, sizeof(trigger)*Num_triggers, 1, fp );
 848
 849         //Save tmap info
 850                 for (i=0; i<=Highest_segment_index; i++ )       {
 851                         for (j=0; j<6; j++ )    {
 852                                 fwrite( &Segments[i].sides[j].wall_num, sizeof(short), 1, fp );
 853                                 fwrite( &Segments[i].sides[j].tmap_num, sizeof(short), 1, fp );
 854                                 fwrite( &Segments[i].sides[j].tmap_num2, sizeof(short), 1, fp );
 855                         }
 856                 }
 857
 858         // Save the fuelcen info
 859                 fwrite( &Control_center_destroyed, sizeof(int), 1, fp );
 860                 fwrite( &Countdown_timer, sizeof(int), 1, fp );
 861                 fwrite( &Num_robot_centers, sizeof(int), 1, fp );
 862                 fwrite( RobotCenters, sizeof(matcen_info)*Num_robot_centers, 1, fp );
 863                 fwrite( &ControlCenterTriggers, sizeof(control_center_triggers), 1, fp );
 864                 fwrite( &Num_fuelcenters, sizeof(int), 1, fp );
 865                 fwrite( Station, sizeof(FuelCenter)*Num_fuelcenters, 1, fp );
 866
 867         // Save the control cen info
 868                 fwrite( &Control_center_been_hit, sizeof(int), 1, fp );
 869                 fwrite( &Control_center_player_been_seen, sizeof(int), 1, fp );
 870                 fwrite( &Control_center_next_fire_time, sizeof(int), 1, fp );
 871                 fwrite( &Control_center_present, sizeof(int), 1, fp );
 872                 fwrite( &Dead_controlcen_object_num, sizeof(int), 1, fp );
 873
 874         // Save the AI state
 875                 ai_save_state( fp );
 876
 877         // Save the automap visited info
 878                 fwrite( Automap_visited, sizeof(ubyte)*MAX_SEGMENTS, 1, fp );
 879
 880         }
 881         fwrite( &state_game_id, sizeof(uint), 1, fp );
 882         fwrite( &Laser_rapid_fire, sizeof(int), 1, fp );
 883         fwrite( &Lunacy, sizeof(int), 1, fp );          //      Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
 884         fwrite( &Lunacy, sizeof(int), 1, fp );
 885
 886         // Save automap marker info
 887
 888         fwrite(MarkerObject,sizeof(MarkerObject),1,fp);
 889         fwrite(MarkerOwner,sizeof(MarkerOwner),1,fp);
 890         fwrite(MarkerMessage,sizeof(MarkerMessage),1,fp);
 891
 892         fwrite (&Afterburner_charge,sizeof(fix),1,fp);
 893
 894         //save last was super information
 895         fwrite(&Primary_last_was_super,sizeof(Primary_last_was_super),1,fp);
 896         fwrite(&Secondary_last_was_super,sizeof(Secondary_last_was_super),1,fp);
 897
 898         //      Save flash effect stuff
 899         fwrite( &Flash_effect, sizeof(int), 1, fp );
 900         fwrite( &Time_flash_last_played, sizeof(int), 1, fp );
 901         fwrite( &PaletteRedAdd, sizeof(int), 1, fp);
 902         fwrite( &PaletteGreenAdd, sizeof(int), 1, fp);
 903         fwrite( &PaletteBlueAdd, sizeof(int), 1, fp);
 904
 905         fwrite(Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS, fp);
 906
 907         fwrite(&First_secret_visit, sizeof(First_secret_visit), 1, fp);
 908
 909         fwrite(&Omega_charge, sizeof(Omega_charge), 1, fp);
 910
 911         if ( ferror(fp) ) {
 912                 if ( !(Game_mode & GM_MULTI) ) {
 913                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 914                         fclose(fp);
 915                         unlink(filename);
 916                 }
 917         } else  {
 918                 fclose(fp);
 919
 920                 #ifdef MACINTOSH                // set the type and creator of the saved game file
 921                 {
 922                         FInfo finfo;
 923                         OSErr err;
 924                         Str255 pfilename;
 925
 926                         strcpy(pfilename, filename);
 927                         c2pstr(pfilename);
 928                         err = HGetFInfo(0, 0, pfilename, &finfo);
 929                         finfo.fdType = 'SVGM';
 930                         finfo.fdCreator = 'DCT2';
 931                         err = HSetFInfo(0, 0, pfilename, &finfo);
 932                 }
 933                 #endif
 934         }
 935
 936         start_time();
 937
 938         return 1;
 939 }
 940
 941 //      -----------------------------------------------------------------------------------
 942 //      Set the player's position from the globals Secret_return_segment and Secret_return_orient.
 943 void set_pos_from_return_segment(void)
 944 {
 945         int     plobjnum = Players[Player_num].objnum;
 946
 947         compute_segment_center(&Objects[plobjnum].pos, &Segments[Secret_return_segment]);
 948         obj_relink(plobjnum, Secret_return_segment);
 949         reset_player_object();
 950         Objects[plobjnum].orient = Secret_return_orient;
 951 }
 952
 953 //      -----------------------------------------------------------------------------------
 954 int state_restore_all(int in_game, int secret_restore, char *filename_override)
 955 {
 956         char filename[128];
 957         int     filenum = -1;
 958
 959 #ifdef NETWORK
 960         if ( Game_mode & GM_MULTI )     {
 961 #ifdef MULTI_SAVE
 962                         multi_initiate_restore_game();
 963 #endif
 964                 return 0;
 965         }
 966 #endif
 967
 968         if (in_game && (Current_level_num < 0) && (secret_restore == 0)) {
 969                 HUD_init_message( "Can't restore in secret level!" );
 970                 return 0;
 971         }
 972
 973         if ( Newdemo_state == ND_STATE_RECORDING )
 974                 newdemo_stop_recording();
 975
 976         if ( Newdemo_state != ND_STATE_NORMAL )
 977                 return 0;
 978
 979         stop_time();
 980
 981         if (filename_override) {
 982                 strcpy(filename, filename_override);
 983                 filenum = NUM_SAVES+1;          //      So we don't trigger autosave
 984         } else if (!(filenum = state_get_restore_file(filename, 0)))    {
 985                 start_time();
 986                 return 0;
 987         }
 988
 989         //      MK, 1/1/96
 990         //      If not in multiplayer, do special secret level stuff.
 991         //      If Nsecret.sgc (where N = filenum) exists, then copy it to secret.sgc.
 992         //      If it doesn't exist, then delete secret.sgc
 993         if (!secret_restore && !(Game_mode & GM_MULTI)) {
 994                 int     rval;
 995                 char    temp_fname[32], fc;
 996
 997                 if (filenum != -1) {
 998                         if (filenum >= 10)
 999                                 fc = (filenum-10) + 'a';
1000                         else
1001                                 fc = '0' + filenum;
1002
1003                         #ifndef MACINTOSH
1004                         sprintf(temp_fname, "%csecret.sgc", fc);
1005                         #else
1006                         sprintf(temp_fname, ":Players:%csecret.sgc", fc);
1007                         #endif
1008
1009                         mprintf((0, "Trying to copy %s to secret.sgc.\n", temp_fname));
1010
1011                         if (file_exists(temp_fname)) {
1012                                 mprintf((0, "Copying %s to secret.sgc\n", temp_fname));
1013                                 rval = copy_file(temp_fname, SECRETC_FILENAME);
1014                                 Assert(rval == 0);      //      Oops, error copying temp_fname to secret.sgc!
1015                         } else
1016                                 unlink(SECRETC_FILENAME);
1017                 }
1018         }
1019
1020         //      Changed, 11/15/95, MK, don't to autosave if restoring from main menu.
1021         if ((filenum != (NUM_SAVES+1)) && in_game) {
1022                 char    temp_filename[128];
1023                 mprintf((0, "Doing autosave, filenum = %i, != %i!\n", filenum, NUM_SAVES+1));
1024                 #ifndef MACINTOSH
1025                 sprintf( temp_filename, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
1026                 #else
1027                 sprintf( temp_filename, ":Players:%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
1028                 #endif
1029                 state_save_all(!in_game, secret_restore, temp_filename);
1030         }
1031
1032         if ( !secret_restore && in_game ) {
1033                 int choice;
1034                 choice =  nm_messagebox( NULL, 2, "Yes", "No", "Restore Game?" );
1035                 if ( choice != 0 )      {
1036                         start_time();
1037                         return 0;
1038                 }
1039         }
1040
1041         start_time();
1042
1043         return state_restore_all_sub(filename, 0, secret_restore);
1044 }
1045
1046 extern void init_player_stats_new_ship(void);
1047
1048 void ShowLevelIntro(int level_num);
1049
1050 extern void do_cloak_invul_secret_stuff(fix old_gametime);
1051 extern void copy_defaults_to_robot(object *objp);
1052
1053 int state_restore_all_sub(char *filename, int multi, int secret_restore)
1054 {
1055         int ObjectStartLocation;
1056         int version,i, j, segnum;
1057         object * obj;
1058         FILE *fp;
1059         int current_level, next_level;
1060         int between_levels;
1061         char mission[16];
1062         char desc[DESC_LENGTH+1];
1063         char id[5];
1064         char org_callsign[CALLSIGN_LEN+16];
1065 #ifdef NETWORK
1066         int found;
1067         int nplayers;   //,playid[12],mynum;
1068         player restore_players[MAX_PLAYERS];
1069 #endif
1070         fix     old_gametime = GameTime;
1071
1072         #if defined(MACINTOSH) && !defined(NDEBUG)
1073         if ( strncmp(filename, ":Players:", 9) )
1074                 Int3();
1075         #endif
1076
1077         fp = fopen( filename, "rb" );
1078         if ( !fp ) return 0;
1079
1080 //Read id
1081         fread( id, sizeof(char)*4, 1, fp );
1082         if ( memcmp( id, dgss_id, 4 )) {
1083                 fclose(fp);
1084                 return 0;
1085         }
1086
1087 //Read version
1088         fread( &version, sizeof(int), 1, fp );
1089         if (version < STATE_COMPATIBLE_VERSION) {
1090                 fclose(fp);
1091                 return 0;
1092         }
1093
1094 // Read description
1095         fread( desc, sizeof(char)*DESC_LENGTH, 1, fp );
1096
1097 // Skip the current screen shot...
1098         fseek( fp, THUMBNAIL_W*THUMBNAIL_H, SEEK_CUR );
1099
1100 // And now...skip the goddamn palette stuff that somebody forgot to add
1101         fseek( fp, 768, SEEK_CUR );
1102
1103 // Read the Between levels flag...
1104         fread( &between_levels, sizeof(int), 1, fp );
1105
1106         Assert(between_levels == 0);    //between levels save ripped out
1107
1108 // Read the mission info...
1109         fread( mission, sizeof(char)*9, 1, fp );
1110         mprintf ((0,"Missionname to load = %s\n",mission));
1111
1112         if (!load_mission_by_name( mission ))   {
1113                 nm_messagebox( NULL, 1, "Ok", "Error!\nUnable to load mission\n'%s'\n", mission );
1114                 fclose(fp);
1115                 return 0;
1116         }
1117
1118 //Read level info
1119         fread( &current_level, sizeof(int), 1, fp );
1120         fread( &next_level, sizeof(int), 1, fp );
1121
1122 //Restore GameTime
1123         fread( &GameTime, sizeof(fix), 1, fp );
1124
1125 // Start new game....
1126         if (!multi)     {
1127                 Game_mode = GM_NORMAL;
1128                 Function_mode = FMODE_GAME;
1129 #ifdef NETWORK
1130                 change_playernum_to(0);
1131 #endif
1132                 strcpy( org_callsign, Players[0].callsign );
1133                 N_players = 1;
1134                 if (!secret_restore) {
1135                         InitPlayerObject();                             //make sure player's object set up
1136                         init_player_stats_game();               //clear all stats
1137                 }
1138         } else {
1139                 strcpy( org_callsign, Players[Player_num].callsign );
1140         }
1141
1142 #ifdef NETWORK
1143    if (Game_mode & GM_MULTI)
1144          {
1145                 fread (&state_game_id,sizeof(int),1,fp);
1146                 fread (&Netgame,sizeof(netgame_info),1,fp);
1147                 fread (&NetPlayers,sizeof(AllNetPlayers_info),1,fp);
1148                 fread (&nplayers,sizeof(N_players),1,fp);
1149                 fread (&Player_num,sizeof(Player_num),1,fp);
1150                 for (i=0;i<nplayers;i++)
1151                  fread (&restore_players[i],sizeof(player),1,fp);
1152 #ifdef RISKY_PROPOSITION
1153            fread (&robot_controlled[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1154            fread (&robot_agitation[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1155            fread (&robot_controlled_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1156            fread (&robot_last_send_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1157            fread (&robot_last_message_time[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1158            fread (&robot_send_pending[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1159            fread (&robot_fired[0],4*MAX_ROBOTS_CONTROLLED,1,fp);
1160
1161       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
1162                    fread (&robot_fire_buf[i][0],21,1,fp);
1163 #endif
1164
1165            for (i=0;i<nplayers;i++)
1166                  {
1167                   found=0;
1168                   for (j=0;j<nplayers;j++)
1169                          {
1170            if ((!strcmp (restore_players[i].callsign,Players[j].callsign)) && Players[j].connected==1)
1171                                  found=1;
1172                          }
1173                   restore_players[i].connected=found;
1174             }
1175                 memcpy (&Players,&restore_players,sizeof(player)*nplayers);
1176                 N_players=nplayers;
1177
1178       if (network_i_am_master())
1179                  {
1180                   for (i=0;i<N_players;i++)
1181                         {
1182                          if (i==Player_num)
1183                                 continue;
1184                  Players[i].connected=0;
1185                         }
1186                  }
1187
1188                 //Viewer = ConsoleObject = &Objects[Players[Player_num].objnum];
1189          }
1190
1191 #endif
1192
1193 //Read player info
1194
1195         {
1196                 StartNewLevelSub(current_level, 1, secret_restore);
1197
1198                 if (secret_restore) {
1199                         player  dummy_player;
1200
1201                         fread( &dummy_player, sizeof(player), 1, fp );
1202                         if (secret_restore == 1) {              //      This means he didn't die, so he keeps what he got in the secret level.
1203                                 Players[Player_num].level = dummy_player.level;
1204                                 Players[Player_num].last_score = dummy_player.last_score;
1205                                 Players[Player_num].time_level = dummy_player.time_level;
1206
1207                                 Players[Player_num].num_robots_level = dummy_player.num_robots_level;
1208                                 Players[Player_num].num_robots_total = dummy_player.num_robots_total;
1209                                 Players[Player_num].hostages_rescued_total = dummy_player.hostages_rescued_total;
1210                                 Players[Player_num].hostages_total = dummy_player.hostages_total;
1211                                 Players[Player_num].hostages_on_board = dummy_player.hostages_on_board;
1212                                 Players[Player_num].hostages_level = dummy_player.hostages_level;
1213                                 Players[Player_num].homing_object_dist = dummy_player.homing_object_dist;
1214                                 Players[Player_num].hours_level = dummy_player.hours_level;
1215                                 Players[Player_num].hours_total = dummy_player.hours_total;
1216                                 do_cloak_invul_secret_stuff(old_gametime);
1217                         } else {
1218                                 Players[Player_num] = dummy_player;
1219                         }
1220                 } else {
1221                         fread( &Players[Player_num], sizeof(player), 1, fp );
1222                 }
1223         }
1224         strcpy( Players[Player_num].callsign, org_callsign );
1225
1226 // Set the right level
1227         if ( between_levels )
1228                 Players[Player_num].level = next_level;
1229
1230 // Restore the weapon states
1231         fread( &Primary_weapon, sizeof(byte), 1, fp );
1232         fread( &Secondary_weapon, sizeof(byte), 1, fp );
1233
1234         select_weapon(Primary_weapon, 0, 0, 0);
1235         select_weapon(Secondary_weapon, 1, 0, 0);
1236
1237 // Restore the difficulty level
1238         fread( &Difficulty_level, sizeof(int), 1, fp );
1239
1240 // Restore the cheats enabled flag
1241
1242    fread (&Cheats_enabled,sizeof(int),1,fp);
1243
1244         if ( !between_levels )  {
1245                 Do_appearance_effect = 0;                       // Don't do this for middle o' game stuff.
1246
1247                 ObjectStartLocation = ftell( fp );
1248                 //Clear out all the objects from the lvl file
1249                 for (segnum=0; segnum <= Highest_segment_index; segnum++)
1250                         Segments[segnum].objects = -1;
1251                 reset_objects(1);
1252
1253                 //Read objects, and pop 'em into their respective segments.
1254                 fread( &i, sizeof(int), 1, fp );
1255                 Highest_object_index = i-1;
1256                 fread( Objects, sizeof(object)*i, 1, fp );
1257
1258                 Object_next_signature = 0;
1259                 for (i=0; i<=Highest_object_index; i++ )        {
1260                         obj = &Objects[i];
1261                         obj->rtype.pobj_info.alt_textures = -1;
1262                         segnum = obj->segnum;
1263                         obj->next = obj->prev = obj->segnum = -1;
1264                         if ( obj->type != OBJ_NONE )    {
1265                                 obj_link(i,segnum);
1266                                 if ( obj->signature > Object_next_signature )
1267                                         Object_next_signature = obj->signature;
1268                         }
1269
1270                         //look for, and fix, boss with bogus shields
1271                         if (obj->type == OBJ_ROBOT && Robot_info[obj->id].boss_flag) {
1272                                 fix save_shields = obj->shields;
1273
1274                                 copy_defaults_to_robot(obj);            //calculate starting shields
1275
1276                                 //if in valid range, use loaded shield value
1277                                 if (save_shields > 0 && save_shields <= obj->shields)
1278                                         obj->shields = save_shields;
1279                                 else
1280                                         obj->shields /= 2;  //give player a break
1281                         }
1282
1283                 }
1284                 special_reset_objects();
1285                 Object_next_signature++;
1286
1287                 //      1 = Didn't die on secret level.
1288                 //      2 = Died on secret level.
1289                 if (secret_restore && (Current_level_num >= 0)) {
1290                         set_pos_from_return_segment();
1291                         if (secret_restore == 2)
1292                                 init_player_stats_new_ship();
1293                 }
1294
1295                 //Restore wall info
1296                 fread( &i, sizeof(int), 1, fp );
1297                 Num_walls = i;
1298                 fread( Walls, sizeof(wall)*Num_walls, 1, fp );
1299
1300                 //now that we have the walls, check if any sounds are linked to
1301                 //walls that are now open
1302                 for (i=0;i<Num_walls;i++) {
1303                         if (Walls[i].type == WALL_OPEN)
1304                                 digi_kill_sound_linked_to_segment(Walls[i].segnum,Walls[i].sidenum,-1); //-1 means kill any sound
1305                 }
1306
1307                 //Restore exploding wall info
1308                 if (version >= 10) {
1309                         fread( &i, sizeof(int), 1, fp );
1310                         fread( expl_wall_list, sizeof(*expl_wall_list), i, fp );
1311                 }
1312
1313                 //Restore door info
1314                 fread( &i, sizeof(int), 1, fp );
1315                 Num_open_doors = i;
1316                 fread( ActiveDoors, sizeof(active_door)*Num_open_doors, 1, fp );
1317
1318                 if (version >= 14) {            //Restore cloaking wall info
1319                         fread( &i, sizeof(int), 1, fp );
1320                         Num_cloaking_walls = i;
1321                         fread( CloakingWalls, sizeof(cloaking_wall), Num_cloaking_walls, fp );
1322                 }
1323
1324                 //Restore trigger info
1325                 fread( &Num_triggers, sizeof(int), 1, fp );
1326                 fread( Triggers, sizeof(trigger)*Num_triggers, 1, fp );
1327
1328                 //Restore tmap info
1329                 for (i=0; i<=Highest_segment_index; i++ )       {
1330                         for (j=0; j<6; j++ )    {
1331                                 fread( &Segments[i].sides[j].wall_num, sizeof(short), 1, fp );
1332                                 fread( &Segments[i].sides[j].tmap_num, sizeof(short), 1, fp );
1333                                 fread( &Segments[i].sides[j].tmap_num2, sizeof(short), 1, fp );
1334                         }
1335                 }
1336
1337                 //Restore the fuelcen info
1338                 fread( &Control_center_destroyed, sizeof(int), 1, fp );
1339                 fread( &Countdown_timer, sizeof(int), 1, fp );
1340                 fread( &Num_robot_centers, sizeof(int), 1, fp );
1341                 fread( RobotCenters, sizeof(matcen_info)*Num_robot_centers, 1, fp );
1342                 fread( &ControlCenterTriggers, sizeof(control_center_triggers), 1, fp );
1343                 fread( &Num_fuelcenters, sizeof(int), 1, fp );
1344                 fread( Station, sizeof(FuelCenter)*Num_fuelcenters, 1, fp );
1345
1346                 // Restore the control cen info
1347                 fread( &Control_center_been_hit, sizeof(int), 1, fp );
1348                 fread( &Control_center_player_been_seen, sizeof(int), 1, fp );
1349                 fread( &Control_center_next_fire_time, sizeof(int), 1, fp );
1350                 fread( &Control_center_present, sizeof(int), 1, fp );
1351                 fread( &Dead_controlcen_object_num, sizeof(int), 1, fp );
1352
1353                 // Restore the AI state
1354                 ai_restore_state( fp, version );
1355
1356                 // Restore the automap visited info
1357                 fread( Automap_visited, sizeof(ubyte)*MAX_SEGMENTS, 1, fp );
1358
1359                 //      Restore hacked up weapon system stuff.
1360                 Fusion_next_sound_time = GameTime;
1361                 Auto_fire_fusion_cannon_time = 0;
1362                 Next_laser_fire_time = GameTime;
1363                 Next_missile_fire_time = GameTime;
1364                 Last_laser_fired_time = GameTime;
1365
1366         }
1367         state_game_id = 0;
1368
1369         if ( version >= 7 )     {
1370                 fread( &state_game_id, sizeof(uint), 1, fp );
1371                 fread( &Laser_rapid_fire, sizeof(int), 1, fp );
1372                 fread( &Lunacy, sizeof(int), 1, fp );           //      Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
1373                 fread( &Lunacy, sizeof(int), 1, fp );
1374                 if ( Lunacy )
1375                         do_lunacy_on();
1376         }
1377
1378         if (version >= 17) {
1379                 fread(MarkerObject,sizeof(MarkerObject),1,fp);
1380                 fread(MarkerOwner,sizeof(MarkerOwner),1,fp);
1381                 fread(MarkerMessage,sizeof(MarkerMessage),1,fp);
1382         }
1383         else {
1384                 int num,dummy;
1385
1386                 // skip dummy info
1387
1388                 fread (&num,sizeof(int),1,fp);                  //was NumOfMarkers
1389                 fread (&dummy,sizeof(int),1,fp);                        //was CurMarker
1390
1391                 fseek( fp, num * (sizeof(vms_vector) + 40), SEEK_CUR );
1392
1393                 for (num=0;num<NUM_MARKERS;num++)
1394                         MarkerObject[num] = -1;
1395         }
1396
1397         if (version>=11) {
1398                 if (secret_restore != 1)
1399                         fread (&Afterburner_charge,sizeof(fix),1,fp);
1400                 else {
1401                         fix     dummy_fix;
1402                         fread (&dummy_fix,sizeof(fix),1,fp);
1403                 }
1404         }
1405         if (version>=12) {
1406                 //read last was super information
1407                 fread(&Primary_last_was_super,sizeof(Primary_last_was_super),1,fp);
1408                 fread(&Secondary_last_was_super,sizeof(Secondary_last_was_super),1,fp);
1409         }
1410
1411         if (version >= 12) {
1412                 fread( &Flash_effect, sizeof(int), 1, fp );
1413                 fread( &Time_flash_last_played, sizeof(int), 1, fp );
1414                 fread( &PaletteRedAdd, sizeof(int), 1, fp);
1415                 fread( &PaletteGreenAdd, sizeof(int), 1, fp);
1416                 fread( &PaletteBlueAdd, sizeof(int), 1, fp);
1417         } else {
1418                 Flash_effect = 0;
1419                 Time_flash_last_played = 0;
1420                 PaletteRedAdd = 0;
1421                 PaletteGreenAdd = 0;
1422                 PaletteBlueAdd = 0;
1423         }
1424
1425         //      Load Light_subtracted
1426         if (version >= 16) {
1427                 fread(Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS, fp);
1428                 apply_all_changed_light();
1429                 compute_all_static_light();     //      set static_light field in segment struct.  See note at that function.
1430         } else {
1431                 int     i;
1432                 for (i=0; i<=Highest_segment_index; i++)
1433                         Light_subtracted[i] = 0;
1434         }
1435
1436         if (!secret_restore) {
1437                 if (version >= 20) {
1438                         fread(&First_secret_visit, sizeof(First_secret_visit), 1, fp);
1439                         mprintf((0, "File: [%s] Read First_secret_visit: New value = %i\n", filename, First_secret_visit));
1440                 } else
1441                         First_secret_visit = 1;
1442         } else
1443                 First_secret_visit = 0;
1444
1445         if (version >= 22)
1446         {
1447                 if (secret_restore != 1)
1448                         fread (&Omega_charge,sizeof(fix),1,fp);
1449                 else {
1450                         fix     dummy_fix;
1451                         fread (&dummy_fix,sizeof(fix),1,fp);
1452                 }
1453         }
1454
1455         fclose(fp);
1456
1457 #ifdef NETWORK
1458    if (Game_mode & GM_MULTI)   // Get rid of ships that aren't
1459          {                                                                       // connected in the restored game
1460                 for (i=0;i<nplayers;i++)
1461                  {
1462                   mprintf ((0,"Testing %s = %d\n",Players[i].callsign,Players[i].connected));
1463                   if (Players[i].connected!=1)
1464                    {
1465                     network_disconnect_player (i);
1466                create_player_appearance_effect(&Objects[Players[i].objnum]);
1467                          mprintf ((0,"Killing player ship %s!\n",Players[i].callsign));
1468               }
1469                  }
1470
1471          }
1472 #endif
1473
1474 // Load in bitmaps, etc..
1475 //!!    piggy_load_level_data();        //already done by StartNewLevelSub()
1476
1477         return 1;
1478 }
1479
1480 //      When loading a saved game, segp->static_light is bogus.
1481 //      This is because apply_all_changed_light, which is supposed to properly update this value,
1482 //      cannot do so because it needs the original light cast from a light which is no longer there.
1483 //      That is, a light has been blown out, so the texture remaining casts 0 light, but the static light
1484 //      which is present in the static_light field contains the light cast from that light.
1485 void compute_all_static_light(void)
1486 {
1487         int     i, j, k;
1488
1489         for (i=0; i<=Highest_segment_index; i++) {
1490                 fix     total_light;
1491                 segment *segp;
1492
1493                 segp = &Segments[i];
1494                 total_light = 0;
1495
1496                 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++) {
1497                         side    *sidep;
1498
1499                         sidep = &segp->sides[j];
1500
1501                         for (k=0; k<4; k++)
1502                                 total_light += sidep->uvls[k].l;
1503                 }
1504
1505                 Segment2s[i].static_light = total_light/(MAX_SIDES_PER_SEGMENT*4);
1506         }
1507
1508 }
1509
1510
1511 int state_get_game_id(char *filename)
1512 {
1513         int version;
1514         FILE *fp;
1515         int between_levels;
1516         char mission[16];
1517         char desc[DESC_LENGTH+1];
1518         char id[5];
1519         int dumbint;
1520
1521 mprintf((0, "Restoring multigame from [%s]\n", filename));
1522
1523         fp = fopen( filename, "rb" );
1524         if ( !fp ) return 0;
1525
1526 //Read id
1527         fread( id, sizeof(char)*4, 1, fp );
1528         if ( memcmp( id, dgss_id, 4 )) {
1529                 fclose(fp);
1530                 return 0;
1531         }
1532
1533 //Read version
1534         fread( &version, sizeof(int), 1, fp );
1535         if (version < STATE_COMPATIBLE_VERSION) {
1536                 fclose(fp);
1537                 return 0;
1538         }
1539
1540 // Read description
1541         fread( desc, sizeof(char)*DESC_LENGTH, 1, fp );
1542
1543 // Skip the current screen shot...
1544         fseek( fp, THUMBNAIL_W*THUMBNAIL_H, SEEK_CUR );
1545
1546 // And now...skip the palette stuff that somebody forgot to add
1547         fseek( fp, 768, SEEK_CUR );
1548
1549 // Read the Between levels flag...
1550         fread( &between_levels, sizeof(int), 1, fp );
1551
1552         Assert(between_levels == 0);    //between levels save ripped out
1553
1554 // Read the mission info...
1555         fread( mission, sizeof(char)*9, 1, fp );
1556 //Read level info
1557         fread( &dumbint, sizeof(int), 1, fp );
1558         fread( &dumbint, sizeof(int), 1, fp );
1559
1560 //Restore GameTime
1561         fread( &dumbint, sizeof(fix), 1, fp );
1562
1563         fread (&state_game_id,sizeof(int),1,fp);
1564
1565         return (state_game_id);
1566  }
1567
1568 #if defined(POLY_ACC)
1569 //void screen_shot_pa(ubyte *dst,ushort *src)
1570 //{
1571 //    //ushort *src = pa_get_buffer_address(0),
1572 //    ushort *s;
1573 //    fix u, v, du, dv;
1574 //    int ui, w, h;
1575 //
1576 //    pa_flush();
1577 //
1578 //    du = (640.0 / (float)THUMBNAIL_W) * 65536.0;
1579 //    dv = (480.0 / (float)THUMBNAIL_H) * 65536.0;
1580 //
1581 //    for(v = h = 0; h != THUMBNAIL_H; ++h)
1582 //    {
1583 //        s = src + f2i(v) * 640;
1584 //        v += dv;
1585 //        for(u = w = 0; w != THUMBNAIL_W; ++w)
1586 //        {
1587 //            ui = f2i(u);
1588 //            *dst++ = gr_find_closest_color((s[ui] >> 9) & 0x3e, (s[ui] >> 4) & 0x3e, (s[ui] << 1) & 0x3e);
1589 //            u += du;
1590 //        }
1591 //    }
1592 //}
1593
1594 void screen_shot_pa(grs_canvas *dcanv,grs_canvas *scanv)
1595 {
1596 #if !defined(MACINTOSH)
1597         ubyte *dst;
1598         ushort *src;
1599         int x,y;
1600
1601         Assert(scanv->cv_w == dcanv->cv_w && scanv->cv_h == dcanv->cv_h);
1602
1603         pa_flush();
1604
1605         src = (ushort *) scanv->cv_bitmap.bm_data;
1606         dst = dcanv->cv_bitmap.bm_data;
1607
1608         #ifdef PA_3DFX_VOODOO
1609    src=(ushort *)pa_set_back_to_read();
1610         #endif
1611
1612         for (y=0; y<scanv->cv_h; y++) {
1613                 for (x=0; x<scanv->cv_w; x++) {
1614                         #ifdef PA_3DFX_VOODOO
1615                         *dst++ = gr_find_closest_color((*src >> 10) & 0x3e, (*src >> 5) & 0x3f, (*src << 1) & 0x3e);
1616                         #else
1617                         *dst++ = gr_find_closest_color((*src >> 9) & 0x3e, (*src >> 4) & 0x3e, (*src << 1) & 0x3e);
1618                         #endif
1619
1620                         src++;
1621                 }
1622                 src = (ushort *) (((ubyte *) src) + (scanv->cv_bitmap.bm_rowsize - (scanv->cv_bitmap.bm_w*PA_BPP)));
1623                 dst += dcanv->cv_bitmap.bm_rowsize - dcanv->cv_bitmap.bm_w;
1624         }
1625         #ifdef PA_3DFX_VOODOO
1626         pa_set_front_to_read();
1627         #endif
1628 #endif
1629 }
1630 #endif
1631