main/state.c

   1 /* $Id: state.c,v 1.18 2004-12-17 09:16:59 btb Exp $ */
   2 /*
   3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
  10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  13 */
  14
  15 /*
  16  *
  17  * Functions to save/restore game state.
  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 #if !defined(_MSC_VER) && !defined(macintosh)
  34 #include <unistd.h>
  35 #endif
  36 #ifndef _WIN32_WCE
  37 #include <errno.h>
  38 #endif
  39 #ifdef MACINTOSH
  40 #include <Files.h>
  41 #endif
  42
  43 #ifdef OGL
  44 # ifdef _MSC_VER
  45 #  include <windows.h>
  46 # endif
  47 #if defined(__APPLE__) && defined(__MACH__)
  48 #include <OpenGL/gl.h>
  49 #else
  50 #include <GL/gl.h>
  51 #endif
  52 #endif
  53
  54 #include "pstypes.h"
  55 #include "pa_enabl.h"                   //$$POLY_ACC
  56 #include "mono.h"
  57 #include "inferno.h"
  58 #include "segment.h"
  59 #include "textures.h"
  60 #include "wall.h"
  61 #include "object.h"
  62 #include "digi.h"
  63 #include "gamemine.h"
  64 #include "error.h"
  65 #include "gameseg.h"
  66 #include "menu.h"
  67 #include "switch.h"
  68 #include "game.h"
  69 #include "screens.h"
  70 #include "newmenu.h"
  71 #include "cfile.h"
  72 #include "fuelcen.h"
  73 #include "hash.h"
  74 #include "key.h"
  75 #include "piggy.h"
  76 #include "player.h"
  77 #include "cntrlcen.h"
  78 #include "morph.h"
  79 #include "weapon.h"
  80 #include "render.h"
  81 #include "gameseq.h"
  82 #include "gauges.h"
  83 #include "newdemo.h"
  84 #include "automap.h"
  85 #include "piggy.h"
  86 #include "paging.h"
  87 #include "titles.h"
  88 #include "text.h"
  89 #include "mission.h"
  90 #include "pcx.h"
  91 #include "u_mem.h"
  92 #ifdef NETWORK
  93 #include "network.h"
  94 #endif
  95 #include "args.h"
  96 #include "ai.h"
  97 #include "fireball.h"
  98 #include "controls.h"
  99 #include "laser.h"
 100 #include "multibot.h"
 101 #include "state.h"
 102
 103 #if defined(POLY_ACC)
 104 #include "poly_acc.h"
 105 #endif
 106
 107 #ifdef OGL
 108 #include "gr.h"
 109 #endif
 110 #include "physfsx.h"
 111
 112 #define STATE_VERSION 22
 113 #define STATE_COMPATIBLE_VERSION 20
 114 // 0 - Put DGSS (Descent Game State Save) id at tof.
 115 // 1 - Added Difficulty level save
 116 // 2 - Added Cheats_enabled flag
 117 // 3 - Added between levels save.
 118 // 4 - Added mission support
 119 // 5 - Mike changed ai and object structure.
 120 // 6 - Added buggin' cheat save
 121 // 7 - Added other cheat saves and game_id.
 122 // 8 - Added AI stuff for escort and thief.
 123 // 9 - Save palette with screen shot
 124 // 12- Saved last_was_super array
 125 // 13- Saved palette flash stuff
 126 // 14- Save cloaking wall stuff
 127 // 15- Save additional ai info
 128 // 16- Save Light_subtracted
 129 // 17- New marker save
 130 // 18- Took out saving of old cheat status
 131 // 19- Saved cheats_enabled flag
 132 // 20- First_secret_visit
 133 // 22- Omega_charge
 134
 135 #define NUM_SAVES 9
 136 #define THUMBNAIL_W 100
 137 #define THUMBNAIL_H 50
 138 #define DESC_LENGTH 20
 139
 140 extern void multi_initiate_save_game();
 141 extern void multi_initiate_restore_game();
 142 extern void apply_all_changed_light(void);
 143
 144 extern int Do_appearance_effect;
 145 extern fix Fusion_next_sound_time;
 146
 147 extern int Laser_rapid_fire;
 148 extern int Physics_cheat_flag;
 149 extern int Lunacy;
 150 extern void do_lunacy_on(void);
 151 extern void do_lunacy_off(void);
 152 extern int First_secret_visit;
 153
 154 int sc_last_item= 0;
 155 grs_bitmap *sc_bmp[NUM_SAVES+1];
 156
 157 char dgss_id[4] = "DGSS";
 158
 159 int state_default_item = 0;
 160
 161 uint state_game_id;
 162
 163 extern int robot_controlled[MAX_ROBOTS_CONTROLLED];
 164 extern int robot_agitation[MAX_ROBOTS_CONTROLLED];
 165 extern fix robot_controlled_time[MAX_ROBOTS_CONTROLLED];
 166 extern fix robot_last_send_time[MAX_ROBOTS_CONTROLLED];
 167 extern fix robot_last_message_time[MAX_ROBOTS_CONTROLLED];
 168 extern int robot_send_pending[MAX_ROBOTS_CONTROLLED];
 169 extern int robot_fired[MAX_ROBOTS_CONTROLLED];
 170 extern sbyte robot_fire_buf[MAX_ROBOTS_CONTROLLED][18+3];
 171
 172
 173 #if defined(WINDOWS) || defined(MACINTOSH)
 174 extern ubyte Hack_DblClick_MenuMode;
 175 #endif
 176
 177 void compute_all_static_light(void);
 178
 179 //-------------------------------------------------------------------
 180 void state_callback(int nitems,newmenu_item * items, int * last_key, int citem)
 181 {
 182         nitems = nitems;
 183         last_key = last_key;
 184
 185 //      if ( sc_last_item != citem )    {
 186 //              sc_last_item = citem;
 187                 if ( citem > 0 )        {
 188                         if ( sc_bmp[citem-1] )  {
 189                                 if (MenuHires) {
 190                                 WINDOS(
 191                                         dd_grs_canvas *save_canv = dd_grd_curcanv,
 192                                         grs_canvas *save_canv = grd_curcanv
 193                                 );
 194                                         grs_canvas *temp_canv = gr_create_canvas(THUMBNAIL_W*2,(THUMBNAIL_H*24/10));
 195                                         grs_point vertbuf[3] = {{0,0}, {0,0}, {i2f(THUMBNAIL_W*2),i2f(THUMBNAIL_H*24/10)} };
 196                                         gr_set_current_canvas(temp_canv);
 197                                         scale_bitmap(sc_bmp[citem-1], vertbuf, 0 );
 198                                 WINDOS(
 199                                         dd_gr_set_current_canvas(save_canv),
 200                                         gr_set_current_canvas( save_canv )
 201                                 );
 202                                 WIN(DDGRLOCK(dd_grd_curcanv));
 203                                         gr_bitmap( (grd_curcanv->cv_bitmap.bm_w-THUMBNAIL_W*2)/2,items[0].y-10, &temp_canv->cv_bitmap);
 204                                 WIN(DDGRUNLOCK(dd_grd_curcanv));
 205                                         gr_free_canvas(temp_canv);
 206                                 }
 207                                 else    {
 208                                 #ifdef WINDOWS
 209                                         Int3();
 210                                 #else
 211                                         gr_bitmap( (grd_curcanv->cv_bitmap.bm_w-THUMBNAIL_W)/2,items[0].y-5, sc_bmp[citem-1] );
 212                                 #endif
 213                                 }
 214                         }
 215                 }
 216 //      }
 217 }
 218
 219 void rpad_string( char * string, int max_chars )
 220 {
 221         int i, end_found;
 222
 223         end_found = 0;
 224         for( i=0; i<max_chars; i++ )    {
 225                 if ( *string == 0 )
 226                         end_found = 1;
 227                 if ( end_found )
 228                         *string = ' ';
 229                 string++;
 230         }
 231         *string = 0;            // NULL terminate
 232 }
 233
 234 int state_get_save_file(char * fname, char * dsc, int multi )
 235 {
 236         PHYSFS_file *fp;
 237         int i, choice, version;
 238         newmenu_item m[NUM_SAVES+2];
 239         char filename[NUM_SAVES+1][30];
 240         char desc[NUM_SAVES+1][DESC_LENGTH+16];
 241         char id[5];
 242         int valid=0;
 243
 244         for (i=0;i<NUM_SAVES; i++ )     {
 245                 sc_bmp[i] = NULL;
 246                 if ( !multi )
 247                         #ifndef MACINTOSH
 248                         sprintf( filename[i], "%s.sg%x", Players[Player_num].callsign, i );
 249                         #else
 250                         sprintf( filename[i], ":Players:%s.sg%x", Players[Player_num].callsign, i );
 251                         #endif
 252                 else
 253                         #ifndef MACINTOSH
 254                         sprintf( filename[i], "%s.mg%x", Players[Player_num].callsign, i );
 255                         #else
 256                         sprintf( filename[i], ":Players:%s.mg%x", Players[Player_num].callsign, i );
 257                         #endif
 258                 valid = 0;
 259                 fp = PHYSFS_openRead(filename[i]);
 260                 if ( fp ) {
 261                         //Read id
 262                         //FIXME: check for swapped file, react accordingly...
 263                         PHYSFS_read(fp, id, sizeof(char) * 4, 1);
 264                         if ( !memcmp( id, dgss_id, 4 )) {
 265                                 //Read version
 266                                 PHYSFS_read(fp, &version, sizeof(int), 1);
 267                                 if (version >= STATE_COMPATIBLE_VERSION)        {
 268                                         // Read description
 269                                         PHYSFS_read(fp, desc[i], sizeof(char) * DESC_LENGTH, 1);
 270                                         //rpad_string( desc[i], DESC_LENGTH-1 );
 271                                         // Read thumbnail
 272                                         //sc_bmp[i] = gr_create_bitmap(THUMBNAIL_W,THUMBNAIL_H );
 273                                         //PHYSFS_read(fp, sc_bmp[i]->bm_data, THUMBNAIL_W * THUMBNAIL_H, 1);
 274                                         valid = 1;
 275                                 }
 276                         }
 277                         PHYSFS_close(fp);
 278                 }
 279                 if (!valid) {
 280                         strcpy( desc[i], TXT_EMPTY );
 281                         //rpad_string( desc[i], DESC_LENGTH-1 );
 282                 }
 283                 m[i].type = NM_TYPE_INPUT_MENU; m[i].text = desc[i]; m[i].text_len = DESC_LENGTH-1;
 284         }
 285
 286         sc_last_item = -1;
 287         choice = newmenu_do1( NULL, "Save Game", NUM_SAVES, m, NULL, state_default_item );
 288
 289         for (i=0; i<NUM_SAVES; i++ )    {
 290                 if ( sc_bmp[i] )
 291                         gr_free_bitmap( sc_bmp[i] );
 292         }
 293
 294         if (choice > -1) {
 295                 strcpy( fname, filename[choice] );
 296                 strcpy( dsc, desc[choice] );
 297                 state_default_item = choice;
 298                 return choice+1;
 299         }
 300         return 0;
 301 }
 302
 303 int RestoringMenu=0;
 304 extern int Current_display_mode;
 305
 306 int state_get_restore_file(char * fname, int multi)
 307 {
 308         PHYSFS_file *fp;
 309         int i, choice, version, nsaves;
 310         newmenu_item m[NUM_SAVES+2];
 311         char filename[NUM_SAVES+1][30];
 312         char desc[NUM_SAVES+1][DESC_LENGTH + 16];
 313         char id[5];
 314         int valid;
 315
 316         nsaves=0;
 317         m[0].type = NM_TYPE_TEXT; m[0].text = "\n\n\n\n";
 318         for (i=0;i<NUM_SAVES+1; i++ )   {
 319                 sc_bmp[i] = NULL;
 320                 if (!multi)
 321                         #ifndef MACINTOSH
 322                         sprintf( filename[i], "%s.sg%x", Players[Player_num].callsign, i );
 323                         #else
 324                         sprintf( filename[i], ":Players:%s.sg%x", Players[Player_num].callsign, i );
 325                         #endif
 326                 else
 327                         #ifndef MACINTOSH
 328                         sprintf( filename[i], "%s.mg%x", Players[Player_num].callsign, i );
 329                         #else
 330                         sprintf( filename[i], ":Players:%s.mg%x", Players[Player_num].callsign, i );
 331                         #endif
 332                 valid = 0;
 333                 fp = PHYSFS_openRead(filename[i]);
 334                 if ( fp ) {
 335                         //Read id
 336                         //FIXME: check for swapped file, react accordingly...
 337                         PHYSFS_read(fp, id, sizeof(char) * 4, 1);
 338                         if ( !memcmp( id, dgss_id, 4 )) {
 339                                 //Read version
 340                                 PHYSFS_read(fp, &version, sizeof(int), 1);
 341                                 if (version >= STATE_COMPATIBLE_VERSION)        {
 342                                         // Read description
 343                                         PHYSFS_read(fp, desc[i], sizeof(char) * DESC_LENGTH, 1);
 344                                         //rpad_string( desc[i], DESC_LENGTH-1 );
 345                                         m[i+1].type = NM_TYPE_MENU; m[i+1].text = desc[i];
 346                                         // Read thumbnail
 347                                         sc_bmp[i] = gr_create_bitmap(THUMBNAIL_W,THUMBNAIL_H );
 348                                         PHYSFS_read(fp, sc_bmp[i]->bm_data, THUMBNAIL_W * THUMBNAIL_H, 1);
 349                                         if (version >= 9) {
 350                                                 ubyte pal[256*3];
 351                                                 PHYSFS_read(fp, pal, 3, 256);
 352                                                 gr_remap_bitmap_good( sc_bmp[i], pal, -1, -1 );
 353                                         }
 354                                         nsaves++;
 355                                         valid = 1;
 356                                 }
 357                         }
 358                         PHYSFS_close(fp);
 359                 }
 360                 if (!valid) {
 361                         strcpy( desc[i], TXT_EMPTY );
 362                         //rpad_string( desc[i], DESC_LENGTH-1 );
 363                         m[i+1].type = NM_TYPE_TEXT; m[i+1].text = desc[i];
 364                 }
 365         }
 366
 367         if ( nsaves < 1 )       {
 368                 nm_messagebox( NULL, 1, "Ok", "No saved games were found!" );
 369                 return 0;
 370         }
 371
 372         if (Current_display_mode == 3)  //restore menu won't fit on 640x400
 373                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 374
 375         sc_last_item = -1;
 376
 377 #if defined(WINDOWS) || defined(MACINTOSH)
 378         Hack_DblClick_MenuMode = 1;
 379 #endif
 380
 381    RestoringMenu=1;
 382         choice = newmenu_do3( NULL, "Select Game to Restore", NUM_SAVES+2, m, state_callback, state_default_item+1, NULL, 190, -1 );
 383    RestoringMenu=0;
 384
 385 #if defined(WINDOWS) || defined(MACINTOSH)
 386         Hack_DblClick_MenuMode = 0;
 387 #endif
 388
 389         if (Current_display_mode == 3)  //set flag back
 390                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 391
 392
 393         for (i=0; i<NUM_SAVES+1; i++ )  {
 394                 if ( sc_bmp[i] )
 395                         gr_free_bitmap( sc_bmp[i] );
 396         }
 397
 398         if (choice > 0) {
 399                 strcpy( fname, filename[choice-1] );
 400                 if (choice != NUM_SAVES+1)              //no new default when restore from autosave
 401                         state_default_item = choice - 1;
 402                 return choice;
 403         }
 404         return 0;
 405 }
 406
 407 #define DESC_OFFSET     8
 408
 409 #define CF_BUF_SIZE     1024
 410
 411 //      -----------------------------------------------------------------------------------
 412 //      Imagine if C had a function to copy a file...
 413 int copy_file(char *old_file, char *new_file)
 414 {
 415         sbyte   buf[CF_BUF_SIZE];
 416         PHYSFS_file *in_file, *out_file;
 417
 418         out_file = PHYSFS_openWrite(new_file);
 419
 420         if (out_file == NULL)
 421                 return -1;
 422
 423         in_file = PHYSFS_openRead(old_file);
 424
 425         if (in_file == NULL)
 426                 return -2;
 427
 428         while (!PHYSFS_eof(in_file))
 429         {
 430                 int bytes_read;
 431
 432                 bytes_read = PHYSFS_read(in_file, buf, 1, CF_BUF_SIZE);
 433                 if (bytes_read < 0)
 434                         Error("Cannot read from file <%s>: %s", old_file, PHYSFS_getLastError());
 435
 436                 Assert(bytes_read == CF_BUF_SIZE || PHYSFS_eof(in_file));
 437
 438                 if (PHYSFS_write(out_file, buf, 1, bytes_read) < bytes_read);
 439                         Error("Cannot write to file <%s>: %s", new_file, PHYSFS_getLastError());
 440         }
 441
 442         if (!PHYSFS_close(in_file))
 443         {
 444                 PHYSFS_close(out_file);
 445                 return -3;
 446         }
 447
 448         if (!PHYSFS_close(out_file))
 449                 return -4;
 450
 451         return 0;
 452 }
 453
 454 #ifndef MACINTOSH
 455 #define SECRETB_FILENAME        "secret.sgb"
 456 #define SECRETC_FILENAME        "secret.sgc"
 457 #else
 458 #define SECRETB_FILENAME        ":Players:secret.sgb"
 459 #define SECRETC_FILENAME        ":Players:secret.sgc"
 460 #endif
 461
 462 extern int Final_boss_is_dead;
 463
 464 //      -----------------------------------------------------------------------------------
 465 //      blind_save means don't prompt user for any info.
 466 int state_save_all(int between_levels, int secret_save, char *filename_override)
 467 {
 468         int     rval, filenum = -1;
 469
 470         char    filename[128], desc[DESC_LENGTH+1];
 471
 472         Assert(between_levels == 0);    //between levels save ripped out
 473
 474 #ifdef NETWORK
 475         if ( Game_mode & GM_MULTI )     {
 476                         multi_initiate_save_game();
 477                 return 0;
 478         }
 479 #endif
 480
 481         if ((Current_level_num < 0) && (secret_save == 0)) {
 482                 HUD_init_message( "Can't save in secret level!" );
 483                 return 0;
 484         }
 485
 486         if (Final_boss_is_dead)         //don't allow save while final boss is dying
 487                 return 0;
 488
 489         mprintf(( 0, "CL=%d, NL=%d\n", Current_level_num, Next_level_num ));
 490
 491         //      If this is a secret save and the control center has been destroyed, don't allow
 492         //      return to the base level.
 493         if (secret_save && (Control_center_destroyed)) {
 494                 mprintf((0, "Deleting secret.sgb so player can't return to base level.\n"));
 495                 PHYSFS_delete(SECRETB_FILENAME);
 496                 return 0;
 497         }
 498
 499         stop_time();
 500
 501         if (secret_save == 1) {
 502                 filename_override = filename;
 503                 sprintf(filename_override, SECRETB_FILENAME);
 504         } else if (secret_save == 2) {
 505                 filename_override = filename;
 506                 sprintf(filename_override, SECRETC_FILENAME);
 507         } else {
 508                 if (filename_override) {
 509                         strcpy( filename, filename_override);
 510                         sprintf(desc, "[autosave backup]");
 511                 } else if (!(filenum = state_get_save_file(filename,desc,0))) {
 512                         start_time();
 513                         return 0;
 514                 }
 515         }
 516
 517         //      MK, 1/1/96
 518         //      If not in multiplayer, do special secret level stuff.
 519         //      If secret.sgc exists, then copy it to Nsecret.sgc (where N = filenum).
 520         //      If it doesn't exist, then delete Nsecret.sgc
 521         if (!secret_save && !(Game_mode & GM_MULTI)) {
 522                 int     rval;
 523                 char    temp_fname[32], fc;
 524
 525                 if (filenum != -1) {
 526
 527                         if (filenum >= 10)
 528                                 fc = (filenum-10) + 'a';
 529                         else
 530                                 fc = '0' + filenum;
 531
 532                         #ifndef MACINTOSH
 533                         sprintf(temp_fname, "%csecret.sgc", fc);
 534                         #else
 535                         sprintf(temp_fname, ":Players:%csecret.sgc", fc);
 536                         #endif
 537
 538                         mprintf((0, "Trying to copy secret.sgc to %s.\n", temp_fname));
 539
 540                         if (PHYSFS_exists(temp_fname))
 541                         {
 542                                 mprintf((0, "Deleting file %s\n", temp_fname));
 543                                 rval = PHYSFS_delete(temp_fname);
 544                                 Assert(rval == 0);      //      Oops, error deleting file in temp_fname.
 545                         }
 546
 547                         if (PHYSFS_exists(SECRETC_FILENAME))
 548                         {
 549                                 mprintf((0, "Copying secret.sgc to %s.\n", temp_fname));
 550                                 rval = copy_file(SECRETC_FILENAME, temp_fname);
 551                                 Assert(rval == 0);      //      Oops, error copying temp_fname to secret.sgc!
 552                         }
 553                 }
 554         }
 555
 556         //      Save file we're going to save over in last slot and call "[autosave backup]"
 557         if (!filename_override) {
 558                 PHYSFS_file *tfp;
 559
 560                 tfp = PHYSFS_openWrite(filename);
 561
 562                 if ( tfp ) {
 563                         char    newname[128];
 564
 565                         #ifndef MACINTOSH
 566                         sprintf( newname, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
 567                         #else
 568                         sprintf(newname, "Players/%s.sg%x", Players[Player_num].callsign, NUM_SAVES);
 569                         #endif
 570
 571                         PHYSFS_seek(tfp, DESC_OFFSET);
 572                         PHYSFS_write(tfp, "[autosave backup]", sizeof(char) * DESC_LENGTH, 1);
 573                         PHYSFS_close(tfp);
 574                         PHYSFS_delete(newname);
 575                         PHYSFSX_rename(filename, newname);
 576                 }
 577         }
 578
 579         rval = state_save_all_sub(filename, desc, between_levels);
 580
 581         return rval;
 582 }
 583
 584 extern  fix     Flash_effect, Time_flash_last_played;
 585
 586
 587 int state_save_all_sub(char *filename, char *desc, int between_levels)
 588 {
 589         int i,j;
 590         PHYSFS_file *fp;
 591         grs_canvas * cnv;
 592         #ifdef POLY_ACC
 593         grs_canvas cnv2,*save_cnv2;
 594         #endif
 595         ubyte *pal;
 596
 597         Assert(between_levels == 0);    //between levels save ripped out
 598
 599 /*      if ( Game_mode & GM_MULTI )     {
 600                 {
 601                 start_time();
 602                 return 0;
 603                 }
 604         }*/
 605
 606         #if defined(MACINTOSH) && !defined(NDEBUG)
 607         if ( strncmp(filename, ":Players:", 9) )
 608                 Int3();
 609         #endif
 610
 611         fp = PHYSFS_openWrite(filename);
 612         if ( !fp ) {
 613                 if ( !(Game_mode & GM_MULTI) )
 614                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 615                 start_time();
 616                 return 0;
 617         }
 618
 619 //Save id
 620         PHYSFS_write(fp, dgss_id, sizeof(char) * 4, 1);
 621
 622 //Save version
 623         i = STATE_VERSION;
 624         PHYSFS_write(fp, &i, sizeof(int), 1);
 625
 626 //Save description
 627         PHYSFS_write(fp, desc, sizeof(char) * DESC_LENGTH, 1);
 628
 629 // Save the current screen shot...
 630
 631         cnv = gr_create_canvas( THUMBNAIL_W, THUMBNAIL_H );
 632         if ( cnv )
 633         {
 634 #ifdef OGL
 635                 ubyte *buf;
 636                 int k;
 637 #endif
 638                 #ifdef WINDOWS
 639                         dd_grs_canvas *cnv_save;
 640                         cnv_save = dd_grd_curcanv;
 641                 #else
 642                         grs_canvas * cnv_save;
 643                         cnv_save = grd_curcanv;
 644                 #endif
 645
 646                 #ifndef MACINTOSH
 647
 648                         #if defined(POLY_ACC)
 649
 650                                         PA_DFX (pa_fool_to_backbuffer());
 651
 652                                         //for poly_acc, we render the frame to the normal render buffer
 653                                         //so that this doesn't show, we create yet another canvas to save
 654                                         //and restore what's on the render buffer
 655                                         PA_DFX (pa_alpha_always());
 656                                         PA_DFX (pa_set_front_to_read());
 657                                         gr_init_sub_canvas( &cnv2, &VR_render_buffer[0], 0, 0, THUMBNAIL_W, THUMBNAIL_H );
 658                                         save_cnv2 = gr_create_canvas2(THUMBNAIL_W, THUMBNAIL_H, cnv2.cv_bitmap.bm_type);
 659                                         gr_set_current_canvas( save_cnv2 );
 660                                         PA_DFX (pa_set_front_to_read());
 661                                         gr_bitmap(0,0,&cnv2.cv_bitmap);
 662                                         gr_set_current_canvas( &cnv2 );
 663                         #else
 664                                         gr_set_current_canvas( cnv );
 665                         #endif
 666
 667                                         PA_DFX (pa_set_backbuffer_current());
 668                                         render_frame(0, 0);
 669                                         PA_DFX (pa_alpha_always());
 670
 671 #if defined(POLY_ACC)
 672                                         #ifndef MACINTOSH
 673                                         screen_shot_pa(cnv,&cnv2);
 674                                         #else
 675                                         if ( PAEnabled )
 676                                                 screen_shot_pa(cnv,&cnv2);
 677                                         #endif
 678 #elif defined(OGL)
 679 # if 1
 680                 buf = d_malloc(THUMBNAIL_W * THUMBNAIL_H * 3);
 681                 glReadBuffer(GL_FRONT);
 682                 glReadPixels(0, SHEIGHT - THUMBNAIL_H, THUMBNAIL_W, THUMBNAIL_H, GL_RGB, GL_UNSIGNED_BYTE, buf);
 683                 k = THUMBNAIL_H;
 684                 for (i = 0; i < THUMBNAIL_W * THUMBNAIL_H; i++) {
 685                         if (!(j = i % THUMBNAIL_W))
 686                                 k--;
 687                         cnv->cv_bitmap.bm_data[THUMBNAIL_W * k + j] =
 688                                 gr_find_closest_color(buf[3*i]/4, buf[3*i+1]/4, buf[3*i+2]/4);
 689                 }
 690                 d_free(buf);
 691 # else // simpler d1x method, not tested yet
 692                 ogl_ubitblt_tolinear(grd_curcanv->cv_bitmap.bm_w, grd_curcanv->cv_bitmap.bm_h, 0, 0, 0, 0, &grd_curscreen->sc_canvas.cv_bitmap, &grd_curcanv->cv_bitmap);
 693 # endif
 694 #endif
 695
 696                                         pal = gr_palette;
 697
 698                                         PHYSFS_write(fp, cnv->cv_bitmap.bm_data, THUMBNAIL_W * THUMBNAIL_H, 1);
 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                         PHYSFS_write(fp, cnv->cv_bitmap.bm_data, THUMBNAIL_W * THUMBNAIL_H, 1);
 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                 PHYSFS_write(fp, pal, 3, 256);
 736         }
 737         else
 738         {
 739                 ubyte color = 0;
 740                 for ( i=0; i<THUMBNAIL_W*THUMBNAIL_H; i++ )
 741                         PHYSFS_write(fp, &color, sizeof(ubyte), 1);
 742         }
 743
 744 // Save the Between levels flag...
 745         PHYSFS_write(fp, &between_levels, sizeof(int), 1);
 746
 747 // Save the mission info...
 748         mprintf ((0, "HEY! Mission name is %s\n", Current_mission_filename));
 749         PHYSFS_write(fp, Current_mission_filename, 9 * sizeof(char), 1);
 750
 751 //Save level info
 752         PHYSFS_write(fp, &Current_level_num, sizeof(int), 1);
 753         PHYSFS_write(fp, &Next_level_num, sizeof(int), 1);
 754
 755 //Save GameTime
 756         PHYSFS_write(fp, &GameTime, sizeof(fix), 1);
 757
 758 // If coop save, save all
 759 #ifdef NETWORK
 760    if (Game_mode & GM_MULTI_COOP)
 761          {
 762                 PHYSFS_write(fp, &state_game_id,sizeof(int), 1);
 763                 PHYSFS_write(fp, &Netgame,sizeof(netgame_info), 1);
 764                 PHYSFS_write(fp, &NetPlayers,sizeof(AllNetPlayers_info), 1);
 765                 PHYSFS_write(fp, &N_players,sizeof(int), 1);
 766                 PHYSFS_write(fp, &Player_num,sizeof(int), 1);
 767                 for (i=0;i<N_players;i++)
 768                         PHYSFS_write(fp, &Players[i], sizeof(player), 1);
 769
 770 #ifdef RISKY_PROPOSITION
 771                 PHYSFS_write(fp, &robot_controlled[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 772                 PHYSFS_write(fp, &robot_agitation[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 773                 PHYSFS_write(fp, &robot_controlled_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 774                 PHYSFS_write(fp, &robot_last_send_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 775                 PHYSFS_write(fp, &robot_last_message_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 776                 PHYSFS_write(fp, &robot_send_pending[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 777                 PHYSFS_write(fp, &robot_fired[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 778
 779       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
 780                         PHYSFS_write(fp, robot_fire_buf[i][0], 18 + 3, 1);
 781 #endif
 782
 783          }
 784 #endif
 785
 786 //Save player info
 787         PHYSFS_write(fp, &Players[Player_num], sizeof(player), 1);
 788
 789 // Save the current weapon info
 790         PHYSFS_write(fp, &Primary_weapon, sizeof(sbyte), 1);
 791         PHYSFS_write(fp, &Secondary_weapon, sizeof(sbyte), 1);
 792
 793 // Save the difficulty level
 794         PHYSFS_write(fp, &Difficulty_level, sizeof(int), 1);
 795 // Save cheats enabled
 796         PHYSFS_write(fp, &Cheats_enabled,sizeof(int), 1);
 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                 PHYSFS_write(fp, &i, sizeof(int), 1);
 823                 PHYSFS_write(fp, Objects, sizeof(object), i);
 824
 825         //Save wall info
 826                 i = Num_walls;
 827                 PHYSFS_write(fp, &i, sizeof(int), 1);
 828                 PHYSFS_write(fp, Walls, sizeof(wall), i);
 829
 830         //Save exploding wall info
 831                 i = MAX_EXPLODING_WALLS;
 832                 PHYSFS_write(fp, &i, sizeof(int), 1);
 833                 PHYSFS_write(fp, expl_wall_list, sizeof(*expl_wall_list), i);
 834
 835         //Save door info
 836                 i = Num_open_doors;
 837                 PHYSFS_write(fp, &i, sizeof(int), 1);
 838                 PHYSFS_write(fp, ActiveDoors, sizeof(active_door), i);
 839
 840         //Save cloaking wall info
 841                 i = Num_cloaking_walls;
 842                 PHYSFS_write(fp, &i, sizeof(int), 1);
 843                 PHYSFS_write(fp, CloakingWalls, sizeof(cloaking_wall), i);
 844
 845         //Save trigger info
 846                 PHYSFS_write(fp, &Num_triggers, sizeof(int), 1);
 847                 PHYSFS_write(fp, Triggers, sizeof(trigger), Num_triggers);
 848
 849         //Save tmap info
 850                 for (i = 0; i <= Highest_segment_index; i++)
 851                 {
 852                         for (j = 0; j < 6; j++)
 853                         {
 854                                 PHYSFS_write(fp, &Segments[i].sides[j].wall_num, sizeof(short), 1);
 855                                 PHYSFS_write(fp, &Segments[i].sides[j].tmap_num, sizeof(short), 1);
 856                                 PHYSFS_write(fp, &Segments[i].sides[j].tmap_num2, sizeof(short), 1);
 857                         }
 858                 }
 859
 860         // Save the fuelcen info
 861                 PHYSFS_write(fp, &Control_center_destroyed, sizeof(int), 1);
 862                 PHYSFS_write(fp, &Countdown_timer, sizeof(int), 1);
 863                 PHYSFS_write(fp, &Num_robot_centers, sizeof(int), 1);
 864                 PHYSFS_write(fp, RobotCenters, sizeof(matcen_info), Num_robot_centers);
 865                 PHYSFS_write(fp, &ControlCenterTriggers, sizeof(control_center_triggers), 1);
 866                 PHYSFS_write(fp, &Num_fuelcenters, sizeof(int), 1);
 867                 PHYSFS_write(fp, Station, sizeof(FuelCenter), Num_fuelcenters);
 868
 869         // Save the control cen info
 870                 PHYSFS_write(fp, &Control_center_been_hit, sizeof(int), 1);
 871                 PHYSFS_write(fp, &Control_center_player_been_seen, sizeof(int), 1);
 872                 PHYSFS_write(fp, &Control_center_next_fire_time, sizeof(int), 1);
 873                 PHYSFS_write(fp, &Control_center_present, sizeof(int), 1);
 874                 PHYSFS_write(fp, &Dead_controlcen_object_num, sizeof(int), 1);
 875
 876         // Save the AI state
 877                 ai_save_state( fp );
 878
 879         // Save the automap visited info
 880                 PHYSFS_write(fp, Automap_visited, sizeof(ubyte), MAX_SEGMENTS);
 881
 882         }
 883         PHYSFS_write(fp, &state_game_id, sizeof(uint), 1);
 884         PHYSFS_write(fp, &Laser_rapid_fire, sizeof(int), 1);
 885         PHYSFS_write(fp, &Lunacy, sizeof(int), 1);  //  Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
 886         PHYSFS_write(fp, &Lunacy, sizeof(int), 1);
 887
 888         // Save automap marker info
 889
 890         PHYSFS_write(fp, MarkerObject, sizeof(MarkerObject) ,1);
 891         PHYSFS_write(fp, MarkerOwner, sizeof(MarkerOwner), 1);
 892         PHYSFS_write(fp, MarkerMessage, sizeof(MarkerMessage), 1);
 893
 894         PHYSFS_write(fp, &Afterburner_charge, sizeof(fix), 1);
 895
 896         //save last was super information
 897         PHYSFS_write(fp, &Primary_last_was_super, sizeof(Primary_last_was_super), 1);
 898         PHYSFS_write(fp, &Secondary_last_was_super, sizeof(Secondary_last_was_super), 1);
 899
 900         //      Save flash effect stuff
 901         PHYSFS_write(fp, &Flash_effect, sizeof(int), 1);
 902         PHYSFS_write(fp, &Time_flash_last_played, sizeof(int), 1);
 903         PHYSFS_write(fp, &PaletteRedAdd, sizeof(int), 1);
 904         PHYSFS_write(fp, &PaletteGreenAdd, sizeof(int), 1);
 905         PHYSFS_write(fp, &PaletteBlueAdd, sizeof(int), 1);
 906
 907         PHYSFS_write(fp, Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS);
 908
 909         PHYSFS_write(fp, &First_secret_visit, sizeof(First_secret_visit), 1);
 910
 911         if (PHYSFS_write(fp, &Omega_charge, sizeof(Omega_charge), 1) < 1)
 912         {
 913                 if ( !(Game_mode & GM_MULTI) ) {
 914                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 915                         PHYSFS_close(fp);
 916                         PHYSFS_delete(filename);
 917                 }
 918         } else  {
 919                 PHYSFS_close(fp);
 920
 921                 #ifdef MACINTOSH                // set the type and creator of the saved game file
 922                 {
 923                         FInfo finfo;
 924                         OSErr err;
 925                         Str255 pfilename;
 926
 927                         strcpy(pfilename, filename);
 928                         c2pstr(pfilename);
 929                         err = HGetFInfo(0, 0, pfilename, &finfo);
 930                         finfo.fdType = 'SVGM';
 931                         finfo.fdCreator = 'DCT2';
 932                         err = HSetFInfo(0, 0, pfilename, &finfo);
 933                 }
 934                 #endif
 935         }
 936
 937         start_time();
 938
 939         return 1;
 940 }
 941
 942 //      -----------------------------------------------------------------------------------
 943 //      Set the player's position from the globals Secret_return_segment and Secret_return_orient.
 944 void set_pos_from_return_segment(void)
 945 {
 946         int     plobjnum = Players[Player_num].objnum;
 947
 948         compute_segment_center(&Objects[plobjnum].pos, &Segments[Secret_return_segment]);
 949         obj_relink(plobjnum, Secret_return_segment);
 950         reset_player_object();
 951         Objects[plobjnum].orient = Secret_return_orient;
 952 }
 953
 954 //      -----------------------------------------------------------------------------------
 955 int state_restore_all(int in_game, int secret_restore, char *filename_override)
 956 {
 957         char filename[128];
 958         int     filenum = -1;
 959
 960 #ifdef NETWORK
 961         if ( Game_mode & GM_MULTI )     {
 962 #ifdef MULTI_SAVE
 963                         multi_initiate_restore_game();
 964 #endif
 965                 return 0;
 966         }
 967 #endif
 968
 969         if (in_game && (Current_level_num < 0) && (secret_restore == 0)) {
 970                 HUD_init_message( "Can't restore in secret level!" );
 971                 return 0;
 972         }
 973
 974         if ( Newdemo_state == ND_STATE_RECORDING )
 975                 newdemo_stop_recording();
 976
 977         if ( Newdemo_state != ND_STATE_NORMAL )
 978                 return 0;
 979
 980         stop_time();
 981
 982         if (filename_override) {
 983                 strcpy(filename, filename_override);
 984                 filenum = NUM_SAVES+1;          //      So we don't trigger autosave
 985         } else if (!(filenum = state_get_restore_file(filename, 0)))    {
 986                 start_time();
 987                 return 0;
 988         }
 989
 990         //      MK, 1/1/96
 991         //      If not in multiplayer, do special secret level stuff.
 992         //      If Nsecret.sgc (where N = filenum) exists, then copy it to secret.sgc.
 993         //      If it doesn't exist, then delete secret.sgc
 994         if (!secret_restore && !(Game_mode & GM_MULTI)) {
 995                 int     rval;
 996                 char    temp_fname[32], fc;
 997
 998                 if (filenum != -1) {
 999                         if (filenum >= 10)
1000                                 fc = (filenum-10) + 'a';
1001                         else
1002                                 fc = '0' + filenum;
1003
1004                         #ifndef MACINTOSH
1005                         sprintf(temp_fname, "%csecret.sgc", fc);
1006                         #else
1007                         sprintf(temp_fname, "Players/%csecret.sgc", fc);
1008                         #endif
1009
1010                         mprintf((0, "Trying to copy %s to secret.sgc.\n", temp_fname));
1011
1012                         if (PHYSFS_exists(temp_fname))
1013                         {
1014                                 mprintf((0, "Copying %s to secret.sgc\n", temp_fname));
1015                                 rval = copy_file(temp_fname, SECRETC_FILENAME);
1016                                 Assert(rval == 0);      //      Oops, error copying temp_fname to secret.sgc!
1017                         } else
1018                                 PHYSFS_delete(SECRETC_FILENAME);
1019                 }
1020         }
1021
1022         //      Changed, 11/15/95, MK, don't to autosave if restoring from main menu.
1023         if ((filenum != (NUM_SAVES+1)) && in_game) {
1024                 char    temp_filename[128];
1025                 mprintf((0, "Doing autosave, filenum = %i, != %i!\n", filenum, NUM_SAVES+1));
1026                 #ifndef MACINTOSH
1027                 sprintf( temp_filename, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
1028                 #else
1029                 sprintf(temp_filename, "Players/%s.sg%x", Players[Player_num].callsign, NUM_SAVES);
1030                 #endif
1031                 state_save_all(!in_game, secret_restore, temp_filename);
1032         }
1033
1034         if ( !secret_restore && in_game ) {
1035                 int choice;
1036                 choice =  nm_messagebox( NULL, 2, "Yes", "No", "Restore Game?" );
1037                 if ( choice != 0 )      {
1038                         start_time();
1039                         return 0;
1040                 }
1041         }
1042
1043         start_time();
1044
1045         return state_restore_all_sub(filename, 0, secret_restore);
1046 }
1047
1048 extern void init_player_stats_new_ship(void);
1049
1050 void ShowLevelIntro(int level_num);
1051
1052 extern void do_cloak_invul_secret_stuff(fix old_gametime);
1053 extern void copy_defaults_to_robot(object *objp);
1054
1055 int state_restore_all_sub(char *filename, int multi, int secret_restore)
1056 {
1057         int ObjectStartLocation;
1058         int version,i, j, segnum;
1059         object * obj;
1060         PHYSFS_file *fp;
1061         int current_level, next_level;
1062         int between_levels;
1063         char mission[16];
1064         char desc[DESC_LENGTH+1];
1065         char id[5];
1066         char org_callsign[CALLSIGN_LEN+16];
1067 #ifdef NETWORK
1068         int found;
1069         int nplayers;   //,playid[12],mynum;
1070         player restore_players[MAX_PLAYERS];
1071 #endif
1072         fix     old_gametime = GameTime;
1073
1074         #if defined(MACINTOSH) && !defined(NDEBUG)
1075         if (strncmp(filename, "Players/", 9))
1076                 Int3();
1077         #endif
1078
1079         fp = PHYSFS_openRead(filename);
1080         if ( !fp ) return 0;
1081
1082 //Read id
1083         //FIXME: check for swapped file, react accordingly...
1084         PHYSFS_read(fp, id, sizeof(char) * 4, 1);
1085         if ( memcmp( id, dgss_id, 4 )) {
1086                 PHYSFS_close(fp);
1087                 return 0;
1088         }
1089
1090 //Read version
1091         PHYSFS_read(fp, &version, sizeof(int), 1);
1092         if (version < STATE_COMPATIBLE_VERSION) {
1093                 PHYSFS_close(fp);
1094                 return 0;
1095         }
1096
1097 // Read description
1098         PHYSFS_read(fp, desc, sizeof(char) * DESC_LENGTH, 1);
1099
1100 // Skip the current screen shot...
1101         PHYSFS_seek(fp, PHYSFS_tell(fp) + THUMBNAIL_W * THUMBNAIL_H);
1102
1103 // And now...skip the goddamn palette stuff that somebody forgot to add
1104         PHYSFS_seek(fp, PHYSFS_tell(fp) + 768);
1105
1106 // Read the Between levels flag...
1107         PHYSFS_read(fp, &between_levels, sizeof(int), 1);
1108
1109         Assert(between_levels == 0);    //between levels save ripped out
1110
1111 // Read the mission info...
1112         PHYSFS_read(fp, mission, sizeof(char) * 9, 1);
1113         mprintf ((0,"Missionname to load = %s\n",mission));
1114
1115         if (!load_mission_by_name( mission ))   {
1116                 nm_messagebox( NULL, 1, "Ok", "Error!\nUnable to load mission\n'%s'\n", mission );
1117                 PHYSFS_close(fp);
1118                 return 0;
1119         }
1120
1121 //Read level info
1122         PHYSFS_read(fp, &current_level, sizeof(int), 1);
1123         PHYSFS_read(fp, &next_level, sizeof(int), 1);
1124
1125 //Restore GameTime
1126         PHYSFS_read(fp, &GameTime, sizeof(fix), 1);
1127
1128 // Start new game....
1129         if (!multi)     {
1130                 Game_mode = GM_NORMAL;
1131                 Function_mode = FMODE_GAME;
1132 #ifdef NETWORK
1133                 change_playernum_to(0);
1134 #endif
1135                 strcpy( org_callsign, Players[0].callsign );
1136                 N_players = 1;
1137                 if (!secret_restore) {
1138                         InitPlayerObject();                             //make sure player's object set up
1139                         init_player_stats_game();               //clear all stats
1140                 }
1141         } else {
1142                 strcpy( org_callsign, Players[Player_num].callsign );
1143         }
1144
1145 #ifdef NETWORK
1146    if (Game_mode & GM_MULTI)
1147          {
1148                 PHYSFS_read(fp, &state_game_id, sizeof(int), 1);
1149                 PHYSFS_read(fp, &Netgame, sizeof(netgame_info), 1);
1150                 PHYSFS_read(fp, &NetPlayers, sizeof(AllNetPlayers_info), 1);
1151                 PHYSFS_read(fp, &nplayers, sizeof(N_players), 1);
1152                 PHYSFS_read(fp, &Player_num, sizeof(Player_num), 1);
1153                 for (i=0;i<nplayers;i++)
1154                         PHYSFS_read(fp, &restore_players[i], sizeof(player), 1);
1155 #ifdef RISKY_PROPOSITION
1156                 PHYSFS_read(fp, &robot_controlled[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1157                 PHYSFS_read(fp, &robot_agitation[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1158                 PHYSFS_read(fp, &robot_controlled_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1159                 PHYSFS_read(fp, &robot_last_send_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1160                 PHYSFS_read(fp, &robot_last_message_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1161                 PHYSFS_read(fp, &robot_send_pending[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1162                 PHYSFS_read(fp, &robot_fired[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1163
1164       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
1165                         PHYSFS_read(fp, &robot_fire_buf[i][0],21,1);
1166 #endif
1167
1168            for (i=0;i<nplayers;i++)
1169                  {
1170                   found=0;
1171                   for (j=0;j<nplayers;j++)
1172                          {
1173            if ((!strcmp (restore_players[i].callsign,Players[j].callsign)) && Players[j].connected==1)
1174                                  found=1;
1175                          }
1176                   restore_players[i].connected=found;
1177             }
1178                 memcpy (&Players,&restore_players,sizeof(player)*nplayers);
1179                 N_players=nplayers;
1180
1181       if (network_i_am_master())
1182                  {
1183                   for (i=0;i<N_players;i++)
1184                         {
1185                          if (i==Player_num)
1186                                 continue;
1187                  Players[i].connected=0;
1188                         }
1189                  }
1190
1191                 //Viewer = ConsoleObject = &Objects[Players[Player_num].objnum];
1192          }
1193
1194 #endif
1195
1196 //Read player info
1197
1198         {
1199                 StartNewLevelSub(current_level, 1, secret_restore);
1200
1201                 if (secret_restore) {
1202                         player  dummy_player;
1203
1204                         PHYSFS_read(fp, &dummy_player, sizeof(player), 1);
1205                         if (secret_restore == 1) {              //      This means he didn't die, so he keeps what he got in the secret level.
1206                                 Players[Player_num].level = dummy_player.level;
1207                                 Players[Player_num].last_score = dummy_player.last_score;
1208                                 Players[Player_num].time_level = dummy_player.time_level;
1209
1210                                 Players[Player_num].num_robots_level = dummy_player.num_robots_level;
1211                                 Players[Player_num].num_robots_total = dummy_player.num_robots_total;
1212                                 Players[Player_num].hostages_rescued_total = dummy_player.hostages_rescued_total;
1213                                 Players[Player_num].hostages_total = dummy_player.hostages_total;
1214                                 Players[Player_num].hostages_on_board = dummy_player.hostages_on_board;
1215                                 Players[Player_num].hostages_level = dummy_player.hostages_level;
1216                                 Players[Player_num].homing_object_dist = dummy_player.homing_object_dist;
1217                                 Players[Player_num].hours_level = dummy_player.hours_level;
1218                                 Players[Player_num].hours_total = dummy_player.hours_total;
1219                                 do_cloak_invul_secret_stuff(old_gametime);
1220                         } else {
1221                                 Players[Player_num] = dummy_player;
1222                         }
1223                 } else {
1224                         PHYSFS_read(fp, &Players[Player_num], sizeof(player), 1);
1225                 }
1226         }
1227         strcpy( Players[Player_num].callsign, org_callsign );
1228
1229 // Set the right level
1230         if ( between_levels )
1231                 Players[Player_num].level = next_level;
1232
1233 // Restore the weapon states
1234         PHYSFS_read(fp, &Primary_weapon, sizeof(sbyte), 1);
1235         PHYSFS_read(fp, &Secondary_weapon, sizeof(sbyte), 1);
1236
1237         select_weapon(Primary_weapon, 0, 0, 0);
1238         select_weapon(Secondary_weapon, 1, 0, 0);
1239
1240 // Restore the difficulty level
1241         PHYSFS_read(fp, &Difficulty_level, sizeof(int), 1);
1242
1243 // Restore the cheats enabled flag
1244
1245         PHYSFS_read(fp, &Cheats_enabled, sizeof(int),1);
1246
1247         if ( !between_levels )  {
1248                 Do_appearance_effect = 0;                       // Don't do this for middle o' game stuff.
1249
1250                 ObjectStartLocation = PHYSFS_tell(fp);
1251                 //Clear out all the objects from the lvl file
1252                 for (segnum=0; segnum <= Highest_segment_index; segnum++)
1253                         Segments[segnum].objects = -1;
1254                 reset_objects(1);
1255
1256                 //Read objects, and pop 'em into their respective segments.
1257                 PHYSFS_read(fp, &i, sizeof(int), 1);
1258                 Highest_object_index = i-1;
1259                 PHYSFS_read(fp, Objects, sizeof(object) * i, 1);
1260
1261                 Object_next_signature = 0;
1262                 for (i=0; i<=Highest_object_index; i++ )        {
1263                         obj = &Objects[i];
1264                         obj->rtype.pobj_info.alt_textures = -1;
1265                         segnum = obj->segnum;
1266                         obj->next = obj->prev = obj->segnum = -1;
1267                         if ( obj->type != OBJ_NONE )    {
1268                                 obj_link(i,segnum);
1269                                 if ( obj->signature > Object_next_signature )
1270                                         Object_next_signature = obj->signature;
1271                         }
1272
1273                         //look for, and fix, boss with bogus shields
1274                         if (obj->type == OBJ_ROBOT && Robot_info[obj->id].boss_flag) {
1275                                 fix save_shields = obj->shields;
1276
1277                                 copy_defaults_to_robot(obj);            //calculate starting shields
1278
1279                                 //if in valid range, use loaded shield value
1280                                 if (save_shields > 0 && save_shields <= obj->shields)
1281                                         obj->shields = save_shields;
1282                                 else
1283                                         obj->shields /= 2;  //give player a break
1284                         }
1285
1286                 }
1287                 special_reset_objects();
1288                 Object_next_signature++;
1289
1290                 //      1 = Didn't die on secret level.
1291                 //      2 = Died on secret level.
1292                 if (secret_restore && (Current_level_num >= 0)) {
1293                         set_pos_from_return_segment();
1294                         if (secret_restore == 2)
1295                                 init_player_stats_new_ship();
1296                 }
1297
1298                 //Restore wall info
1299                 PHYSFS_read(fp, &i, sizeof(int), 1);
1300                 Num_walls = i;
1301                 PHYSFS_read(fp, Walls, sizeof(wall) * Num_walls, 1);
1302
1303                 //now that we have the walls, check if any sounds are linked to
1304                 //walls that are now open
1305                 for (i=0;i<Num_walls;i++) {
1306                         if (Walls[i].type == WALL_OPEN)
1307                                 digi_kill_sound_linked_to_segment(Walls[i].segnum,Walls[i].sidenum,-1); //-1 means kill any sound
1308                 }
1309
1310                 //Restore exploding wall info
1311                 if (version >= 10) {
1312                         PHYSFS_read(fp, &i, sizeof(int), 1);
1313                         PHYSFS_read(fp, expl_wall_list, sizeof(*expl_wall_list), i);
1314                 }
1315
1316                 //Restore door info
1317                 PHYSFS_read(fp, &i, sizeof(int), 1);
1318                 Num_open_doors = i;
1319                 PHYSFS_read(fp, ActiveDoors, sizeof(active_door), Num_open_doors);
1320
1321                 if (version >= 14) {            //Restore cloaking wall info
1322                         PHYSFS_read(fp, &i, sizeof(int), 1);
1323                         Num_cloaking_walls = i;
1324                         PHYSFS_read(fp, CloakingWalls, sizeof(cloaking_wall), Num_cloaking_walls);
1325                 }
1326
1327                 //Restore trigger info
1328                 PHYSFS_read(fp, &Num_triggers, sizeof(int), 1);
1329                 PHYSFS_read(fp, Triggers, sizeof(trigger), Num_triggers);
1330
1331                 //Restore tmap info
1332                 for (i=0; i<=Highest_segment_index; i++ )       {
1333                         for (j=0; j<6; j++ )    {
1334                                 PHYSFS_read(fp, &Segments[i].sides[j].wall_num, sizeof(short), 1);
1335                                 PHYSFS_read(fp, &Segments[i].sides[j].tmap_num, sizeof(short), 1);
1336                                 PHYSFS_read(fp, &Segments[i].sides[j].tmap_num2, sizeof(short), 1);
1337                         }
1338                 }
1339
1340                 //Restore the fuelcen info
1341                 PHYSFS_read(fp, &Control_center_destroyed, sizeof(int), 1);
1342                 PHYSFS_read(fp, &Countdown_timer, sizeof(int), 1);
1343                 PHYSFS_read(fp, &Num_robot_centers, sizeof(int), 1);
1344                 PHYSFS_read(fp, RobotCenters, sizeof(matcen_info), Num_robot_centers);
1345                 PHYSFS_read(fp, &ControlCenterTriggers, sizeof(control_center_triggers), 1);
1346                 PHYSFS_read(fp, &Num_fuelcenters, sizeof(int), 1);
1347                 PHYSFS_read(fp, Station, sizeof(FuelCenter), Num_fuelcenters);
1348
1349                 // Restore the control cen info
1350                 PHYSFS_read(fp, &Control_center_been_hit, sizeof(int), 1);
1351                 PHYSFS_read(fp, &Control_center_player_been_seen, sizeof(int), 1);
1352                 PHYSFS_read(fp, &Control_center_next_fire_time, sizeof(int), 1);
1353                 PHYSFS_read(fp, &Control_center_present, sizeof(int), 1);
1354                 PHYSFS_read(fp, &Dead_controlcen_object_num, sizeof(int), 1);
1355
1356                 // Restore the AI state
1357                 ai_restore_state( fp, version );
1358
1359                 // Restore the automap visited info
1360                 PHYSFS_read(fp, Automap_visited, sizeof(ubyte), MAX_SEGMENTS);
1361
1362                 //      Restore hacked up weapon system stuff.
1363                 Fusion_next_sound_time = GameTime;
1364                 Auto_fire_fusion_cannon_time = 0;
1365                 Next_laser_fire_time = GameTime;
1366                 Next_missile_fire_time = GameTime;
1367                 Last_laser_fired_time = GameTime;
1368
1369         }
1370         state_game_id = 0;
1371
1372         if ( version >= 7 )     {
1373                 PHYSFS_read(fp, &state_game_id, sizeof(uint), 1);
1374                 PHYSFS_read(fp, &Laser_rapid_fire, sizeof(int), 1);
1375                 PHYSFS_read(fp, &Lunacy, sizeof(int), 1);               //      Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
1376                 PHYSFS_read(fp, &Lunacy, sizeof(int), 1);
1377                 if ( Lunacy )
1378                         do_lunacy_on();
1379         }
1380
1381         if (version >= 17) {
1382                 PHYSFS_read(fp, MarkerObject, sizeof(MarkerObject), 1);
1383                 PHYSFS_read(fp, MarkerOwner, sizeof(MarkerOwner), 1);
1384                 PHYSFS_read(fp, MarkerMessage, sizeof(MarkerMessage), 1);
1385         }
1386         else {
1387                 int num,dummy;
1388
1389                 // skip dummy info
1390
1391                 PHYSFS_read(fp, &num,sizeof(int), 1);           // was NumOfMarkers
1392                 PHYSFS_read(fp, &dummy,sizeof(int), 1);         // was CurMarker
1393
1394                 PHYSFS_seek(fp, PHYSFS_tell(fp) + num * (sizeof(vms_vector) + 40));
1395
1396                 for (num=0;num<NUM_MARKERS;num++)
1397                         MarkerObject[num] = -1;
1398         }
1399
1400         if (version>=11) {
1401                 if (secret_restore != 1)
1402                         PHYSFS_read(fp, &Afterburner_charge, sizeof(fix), 1);
1403                 else {
1404                         fix     dummy_fix;
1405                         PHYSFS_read(fp, &dummy_fix, sizeof(fix), 1);
1406                 }
1407         }
1408         if (version>=12) {
1409                 //read last was super information
1410                 PHYSFS_read(fp, &Primary_last_was_super, sizeof(Primary_last_was_super), 1);
1411                 PHYSFS_read(fp, &Secondary_last_was_super, sizeof(Secondary_last_was_super), 1);
1412         }
1413
1414         if (version >= 12) {
1415                 PHYSFS_read(fp, &Flash_effect, sizeof(int), 1);
1416                 PHYSFS_read(fp, &Time_flash_last_played, sizeof(int), 1);
1417                 PHYSFS_read(fp, &PaletteRedAdd, sizeof(int), 1);
1418                 PHYSFS_read(fp, &PaletteGreenAdd, sizeof(int), 1);
1419                 PHYSFS_read(fp, &PaletteBlueAdd, sizeof(int), 1);
1420         } else {
1421                 Flash_effect = 0;
1422                 Time_flash_last_played = 0;
1423                 PaletteRedAdd = 0;
1424                 PaletteGreenAdd = 0;
1425                 PaletteBlueAdd = 0;
1426         }
1427
1428         //      Load Light_subtracted
1429         if (version >= 16) {
1430                 PHYSFS_read(fp, Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS);
1431                 apply_all_changed_light();
1432                 compute_all_static_light();     //      set static_light field in segment struct.  See note at that function.
1433         } else {
1434                 int     i;
1435                 for (i=0; i<=Highest_segment_index; i++)
1436                         Light_subtracted[i] = 0;
1437         }
1438
1439         if (!secret_restore) {
1440                 if (version >= 20) {
1441                         PHYSFS_read(fp, &First_secret_visit, sizeof(First_secret_visit), 1);
1442                         mprintf((0, "File: [%s] Read First_secret_visit: New value = %i\n", filename, First_secret_visit));
1443                 } else
1444                         First_secret_visit = 1;
1445         } else
1446                 First_secret_visit = 0;
1447
1448         if (version >= 22)
1449         {
1450                 if (secret_restore != 1)
1451                         PHYSFS_read(fp, &Omega_charge, sizeof(fix), 1);
1452                 else {
1453                         fix     dummy_fix;
1454                         PHYSFS_read(fp, &dummy_fix, sizeof(fix), 1);
1455                 }
1456         }
1457
1458         PHYSFS_close(fp);
1459
1460 #ifdef NETWORK
1461    if (Game_mode & GM_MULTI)   // Get rid of ships that aren't
1462          {                                                                       // connected in the restored game
1463                 for (i=0;i<nplayers;i++)
1464                  {
1465                   mprintf ((0,"Testing %s = %d\n",Players[i].callsign,Players[i].connected));
1466                   if (Players[i].connected!=1)
1467                    {
1468                     network_disconnect_player (i);
1469                create_player_appearance_effect(&Objects[Players[i].objnum]);
1470                          mprintf ((0,"Killing player ship %s!\n",Players[i].callsign));
1471               }
1472                  }
1473
1474          }
1475 #endif
1476
1477 // Load in bitmaps, etc..
1478 //!!    piggy_load_level_data();        //already done by StartNewLevelSub()
1479
1480         return 1;
1481 }
1482
1483 //      When loading a saved game, segp->static_light is bogus.
1484 //      This is because apply_all_changed_light, which is supposed to properly update this value,
1485 //      cannot do so because it needs the original light cast from a light which is no longer there.
1486 //      That is, a light has been blown out, so the texture remaining casts 0 light, but the static light
1487 //      which is present in the static_light field contains the light cast from that light.
1488 void compute_all_static_light(void)
1489 {
1490         int     i, j, k;
1491
1492         for (i=0; i<=Highest_segment_index; i++) {
1493                 fix     total_light;
1494                 segment *segp;
1495
1496                 segp = &Segments[i];
1497                 total_light = 0;
1498
1499                 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++) {
1500                         side    *sidep;
1501
1502                         sidep = &segp->sides[j];
1503
1504                         for (k=0; k<4; k++)
1505                                 total_light += sidep->uvls[k].l;
1506                 }
1507
1508                 Segment2s[i].static_light = total_light/(MAX_SIDES_PER_SEGMENT*4);
1509         }
1510
1511 }
1512
1513
1514 int state_get_game_id(char *filename)
1515 {
1516         int version;
1517         PHYSFS_file *fp;
1518         int between_levels;
1519         char mission[16];
1520         char desc[DESC_LENGTH+1];
1521         char id[5];
1522         int dumbint;
1523
1524 mprintf((0, "Restoring multigame from [%s]\n", filename));
1525
1526         fp = PHYSFS_openRead(filename);
1527         if (!fp) return 0;
1528
1529 //Read id
1530         //FIXME: check for swapped file, react accordingly...
1531         PHYSFS_read(fp, id, sizeof(char) * 4, 1);
1532         if ( memcmp( id, dgss_id, 4 )) {
1533                 PHYSFS_close(fp);
1534                 return 0;
1535         }
1536
1537 //Read version
1538         PHYSFS_read(fp, &version, sizeof(int), 1);
1539         if (version < STATE_COMPATIBLE_VERSION) {
1540                 PHYSFS_close(fp);
1541                 return 0;
1542         }
1543
1544 // Read description
1545         PHYSFS_read(fp, desc, sizeof(char) * DESC_LENGTH, 1);
1546
1547 // Skip the current screen shot...
1548         PHYSFS_seek(fp, PHYSFS_tell(fp) + THUMBNAIL_W * THUMBNAIL_H);
1549
1550 // And now...skip the palette stuff that somebody forgot to add
1551         PHYSFS_seek(fp, PHYSFS_tell(fp) + 768);
1552
1553 // Read the Between levels flag...
1554         PHYSFS_read(fp, &between_levels, sizeof(int), 1);
1555
1556         Assert(between_levels == 0);    //between levels save ripped out
1557
1558 // Read the mission info...
1559         PHYSFS_read(fp, mission, sizeof(char) * 9, 1);
1560 //Read level info
1561         PHYSFS_read(fp, &dumbint, sizeof(int), 1);
1562         PHYSFS_read(fp, &dumbint, sizeof(int), 1);
1563
1564 //Restore GameTime
1565         PHYSFS_read(fp, &dumbint, sizeof(fix), 1);
1566
1567         PHYSFS_read(fp, &state_game_id, sizeof(int), 1);
1568
1569         return (state_game_id);
1570  }
1571
1572 #if defined(POLY_ACC)
1573 //void screen_shot_pa(ubyte *dst,ushort *src)
1574 //{
1575 //    //ushort *src = pa_get_buffer_address(0),
1576 //    ushort *s;
1577 //    fix u, v, du, dv;
1578 //    int ui, w, h;
1579 //
1580 //    pa_flush();
1581 //
1582 //    du = (640.0 / (float)THUMBNAIL_W) * 65536.0;
1583 //    dv = (480.0 / (float)THUMBNAIL_H) * 65536.0;
1584 //
1585 //    for(v = h = 0; h != THUMBNAIL_H; ++h)
1586 //    {
1587 //        s = src + f2i(v) * 640;
1588 //        v += dv;
1589 //        for(u = w = 0; w != THUMBNAIL_W; ++w)
1590 //        {
1591 //            ui = f2i(u);
1592 //            *dst++ = gr_find_closest_color((s[ui] >> 9) & 0x3e, (s[ui] >> 4) & 0x3e, (s[ui] << 1) & 0x3e);
1593 //            u += du;
1594 //        }
1595 //    }
1596 //}
1597
1598 void screen_shot_pa(grs_canvas *dcanv,grs_canvas *scanv)
1599 {
1600 #if !defined(MACINTOSH)
1601         ubyte *dst;
1602         ushort *src;
1603         int x,y;
1604
1605         Assert(scanv->cv_w == dcanv->cv_w && scanv->cv_h == dcanv->cv_h);
1606
1607         pa_flush();
1608
1609         src = (ushort *) scanv->cv_bitmap.bm_data;
1610         dst = dcanv->cv_bitmap.bm_data;
1611
1612         #ifdef PA_3DFX_VOODOO
1613    src=(ushort *)pa_set_back_to_read();
1614         #endif
1615
1616         for (y=0; y<scanv->cv_h; y++) {
1617                 for (x=0; x<scanv->cv_w; x++) {
1618                         #ifdef PA_3DFX_VOODOO
1619                         *dst++ = gr_find_closest_color((*src >> 10) & 0x3e, (*src >> 5) & 0x3f, (*src << 1) & 0x3e);
1620                         #else
1621                         *dst++ = gr_find_closest_color((*src >> 9) & 0x3e, (*src >> 4) & 0x3e, (*src << 1) & 0x3e);
1622                         #endif
1623
1624                         src++;
1625                 }
1626                 src = (ushort *) (((ubyte *) src) + (scanv->cv_bitmap.bm_rowsize - (scanv->cv_bitmap.bm_w*PA_BPP)));
1627                 dst += dcanv->cv_bitmap.bm_rowsize - dcanv->cv_bitmap.bm_w;
1628         }
1629         #ifdef PA_3DFX_VOODOO
1630         pa_set_front_to_read();
1631         #endif
1632 #endif
1633 }
1634 #endif
1635