main/state.c

   1 /* $Id: state.c,v 1.24 2005-03-15 21:16:32 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, int blind_save)
 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 = PHYSFSX_openReadBuffered(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         if (blind_save && state_default_item >= 0)
 288                 choice = state_default_item;
 289         else
 290                 choice = newmenu_do1(NULL, "Save Game", NUM_SAVES, m, NULL, state_default_item);
 291
 292         for (i=0; i<NUM_SAVES; i++ )    {
 293                 if ( sc_bmp[i] )
 294                         gr_free_bitmap( sc_bmp[i] );
 295         }
 296
 297         if (choice > -1) {
 298                 strcpy( fname, filename[choice] );
 299                 strcpy( dsc, desc[choice] );
 300                 state_default_item = choice;
 301                 return choice+1;
 302         }
 303         return 0;
 304 }
 305
 306 int RestoringMenu=0;
 307 extern int Current_display_mode;
 308
 309 int state_get_restore_file(char * fname, int multi)
 310 {
 311         PHYSFS_file *fp;
 312         int i, choice, version, nsaves;
 313         newmenu_item m[NUM_SAVES+2];
 314         char filename[NUM_SAVES+1][30];
 315         char desc[NUM_SAVES+1][DESC_LENGTH + 16];
 316         char id[5];
 317         int valid;
 318
 319         nsaves=0;
 320         m[0].type = NM_TYPE_TEXT; m[0].text = "\n\n\n\n";
 321         for (i=0;i<NUM_SAVES+1; i++ )   {
 322                 sc_bmp[i] = NULL;
 323                 if (!multi)
 324                         #ifndef MACINTOSH
 325                         sprintf( filename[i], "%s.sg%x", Players[Player_num].callsign, i );
 326                         #else
 327                         sprintf( filename[i], ":Players:%s.sg%x", Players[Player_num].callsign, i );
 328                         #endif
 329                 else
 330                         #ifndef MACINTOSH
 331                         sprintf( filename[i], "%s.mg%x", Players[Player_num].callsign, i );
 332                         #else
 333                         sprintf( filename[i], ":Players:%s.mg%x", Players[Player_num].callsign, i );
 334                         #endif
 335                 valid = 0;
 336                 fp = PHYSFSX_openReadBuffered(filename[i]);
 337                 if ( fp ) {
 338                         //Read id
 339                         //FIXME: check for swapped file, react accordingly...
 340                         PHYSFS_read(fp, id, sizeof(char) * 4, 1);
 341                         if ( !memcmp( id, dgss_id, 4 )) {
 342                                 //Read version
 343                                 PHYSFS_read(fp, &version, sizeof(int), 1);
 344                                 if (version >= STATE_COMPATIBLE_VERSION)        {
 345                                         // Read description
 346                                         PHYSFS_read(fp, desc[i], sizeof(char) * DESC_LENGTH, 1);
 347                                         //rpad_string( desc[i], DESC_LENGTH-1 );
 348                                         m[i+1].type = NM_TYPE_MENU; m[i+1].text = desc[i];
 349                                         // Read thumbnail
 350                                         sc_bmp[i] = gr_create_bitmap(THUMBNAIL_W,THUMBNAIL_H );
 351                                         PHYSFS_read(fp, sc_bmp[i]->bm_data, THUMBNAIL_W * THUMBNAIL_H, 1);
 352                                         if (version >= 9) {
 353                                                 ubyte pal[256*3];
 354                                                 PHYSFS_read(fp, pal, 3, 256);
 355                                                 gr_remap_bitmap_good( sc_bmp[i], pal, -1, -1 );
 356                                         }
 357                                         nsaves++;
 358                                         valid = 1;
 359                                 }
 360                         }
 361                         PHYSFS_close(fp);
 362                 }
 363                 if (!valid) {
 364                         strcpy( desc[i], TXT_EMPTY );
 365                         //rpad_string( desc[i], DESC_LENGTH-1 );
 366                         m[i+1].type = NM_TYPE_TEXT; m[i+1].text = desc[i];
 367                 }
 368         }
 369
 370         if ( nsaves < 1 )       {
 371                 nm_messagebox( NULL, 1, "Ok", "No saved games were found!" );
 372                 return 0;
 373         }
 374
 375         if (Current_display_mode == 3)  //restore menu won't fit on 640x400
 376                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 377
 378         sc_last_item = -1;
 379
 380 #if defined(WINDOWS) || defined(MACINTOSH)
 381         Hack_DblClick_MenuMode = 1;
 382 #endif
 383
 384    RestoringMenu=1;
 385         choice = newmenu_do3( NULL, "Select Game to Restore", NUM_SAVES+2, m, state_callback, state_default_item+1, NULL, 190, -1 );
 386    RestoringMenu=0;
 387
 388 #if defined(WINDOWS) || defined(MACINTOSH)
 389         Hack_DblClick_MenuMode = 0;
 390 #endif
 391
 392         if (Current_display_mode == 3)  //set flag back
 393                 VR_screen_flags ^= VRF_COMPATIBLE_MENUS;
 394
 395
 396         for (i=0; i<NUM_SAVES+1; i++ )  {
 397                 if ( sc_bmp[i] )
 398                         gr_free_bitmap( sc_bmp[i] );
 399         }
 400
 401         if (choice > 0) {
 402                 strcpy( fname, filename[choice-1] );
 403                 if (choice != NUM_SAVES+1)              //no new default when restore from autosave
 404                         state_default_item = choice - 1;
 405                 return choice;
 406         }
 407         return 0;
 408 }
 409
 410 #define DESC_OFFSET     8
 411
 412 //      -----------------------------------------------------------------------------------
 413 //      Imagine if C had a function to copy a file...
 414 int copy_file(char *old_file, char *new_file)
 415 {
 416         sbyte   *buf;
 417         int             buf_size;
 418         PHYSFS_file *in_file, *out_file;
 419
 420         out_file = PHYSFS_openWrite(new_file);
 421
 422         if (out_file == NULL)
 423                 return -1;
 424
 425         in_file = PHYSFS_openRead(old_file);
 426
 427         if (in_file == NULL)
 428                 return -2;
 429
 430         buf_size = PHYSFS_fileLength(in_file);
 431         while (buf_size && !(buf = d_malloc(buf_size)))
 432                 buf_size /= 2;
 433         if (buf_size == 0)
 434                 return -5;      // likely to be an empty file
 435
 436         while (!PHYSFS_eof(in_file))
 437         {
 438                 int bytes_read;
 439
 440                 bytes_read = PHYSFS_read(in_file, buf, 1, buf_size);
 441                 if (bytes_read < 0)
 442                         Error("Cannot read from file <%s>: %s", old_file, PHYSFS_getLastError());
 443
 444                 Assert(bytes_read == buf_size || PHYSFS_eof(in_file));
 445
 446                 if (PHYSFS_write(out_file, buf, 1, bytes_read) < bytes_read)
 447                         Error("Cannot write to file <%s>: %s", new_file, PHYSFS_getLastError());
 448         }
 449
 450         d_free(buf);
 451
 452         if (!PHYSFS_close(in_file))
 453         {
 454                 PHYSFS_close(out_file);
 455                 return -3;
 456         }
 457
 458         if (!PHYSFS_close(out_file))
 459                 return -4;
 460
 461         return 0;
 462 }
 463
 464 #ifndef MACINTOSH
 465 #define SECRETB_FILENAME        "secret.sgb"
 466 #define SECRETC_FILENAME        "secret.sgc"
 467 #else
 468 #define SECRETB_FILENAME        ":Players:secret.sgb"
 469 #define SECRETC_FILENAME        ":Players:secret.sgc"
 470 #endif
 471
 472 extern int Final_boss_is_dead;
 473
 474 //      -----------------------------------------------------------------------------------
 475 //      blind_save means don't prompt user for any info.
 476 int state_save_all(int between_levels, int secret_save, char *filename_override, int blind_save)
 477 {
 478         int     rval, filenum = -1;
 479
 480         char    filename[128], desc[DESC_LENGTH+1];
 481
 482         Assert(between_levels == 0);    //between levels save ripped out
 483
 484 #ifdef NETWORK
 485         if ( Game_mode & GM_MULTI )     {
 486                         multi_initiate_save_game();
 487                 return 0;
 488         }
 489 #endif
 490
 491         if ((Current_level_num < 0) && (secret_save == 0)) {
 492                 HUD_init_message( "Can't save in secret level!" );
 493                 return 0;
 494         }
 495
 496         if (Final_boss_is_dead)         //don't allow save while final boss is dying
 497                 return 0;
 498
 499         mprintf(( 0, "CL=%d, NL=%d\n", Current_level_num, Next_level_num ));
 500
 501         //      If this is a secret save and the control center has been destroyed, don't allow
 502         //      return to the base level.
 503         if (secret_save && (Control_center_destroyed)) {
 504                 mprintf((0, "Deleting secret.sgb so player can't return to base level.\n"));
 505                 PHYSFS_delete(SECRETB_FILENAME);
 506                 return 0;
 507         }
 508
 509         stop_time();
 510
 511         if (secret_save == 1) {
 512                 filename_override = filename;
 513                 sprintf(filename_override, SECRETB_FILENAME);
 514         } else if (secret_save == 2) {
 515                 filename_override = filename;
 516                 sprintf(filename_override, SECRETC_FILENAME);
 517         } else {
 518                 if (filename_override) {
 519                         strcpy( filename, filename_override);
 520                         sprintf(desc, "[autosave backup]");
 521                 }
 522                 else if (!(filenum = state_get_save_file(filename, desc, 0, blind_save)))
 523                 {
 524                         start_time();
 525                         return 0;
 526                 }
 527         }
 528
 529         //      MK, 1/1/96
 530         //      If not in multiplayer, do special secret level stuff.
 531         //      If secret.sgc exists, then copy it to Nsecret.sgc (where N = filenum).
 532         //      If it doesn't exist, then delete Nsecret.sgc
 533         if (!secret_save && !(Game_mode & GM_MULTI)) {
 534                 int     rval;
 535                 char    temp_fname[32], fc;
 536
 537                 if (filenum != -1) {
 538
 539                         if (filenum >= 10)
 540                                 fc = (filenum-10) + 'a';
 541                         else
 542                                 fc = '0' + filenum;
 543
 544                         #ifndef MACINTOSH
 545                         sprintf(temp_fname, "%csecret.sgc", fc);
 546                         #else
 547                         sprintf(temp_fname, ":Players:%csecret.sgc", fc);
 548                         #endif
 549
 550                         mprintf((0, "Trying to copy secret.sgc to %s.\n", temp_fname));
 551
 552                         if (PHYSFS_exists(temp_fname))
 553                         {
 554                                 mprintf((0, "Deleting file %s\n", temp_fname));
 555                                 if (!PHYSFS_delete(temp_fname))
 556                                         Error("Cannot delete file <%s>: %s", temp_fname, PHYSFS_getLastError());
 557                         }
 558
 559                         if (PHYSFS_exists(SECRETC_FILENAME))
 560                         {
 561                                 mprintf((0, "Copying secret.sgc to %s.\n", temp_fname));
 562                                 rval = copy_file(SECRETC_FILENAME, temp_fname);
 563                                 Assert(rval == 0);      //      Oops, error copying secret.sgc to temp_fname!
 564                         }
 565                 }
 566         }
 567
 568         //      Save file we're going to save over in last slot and call "[autosave backup]"
 569         if (!filename_override) {
 570                 PHYSFS_file *tfp;
 571
 572                 tfp = PHYSFSX_openWriteBuffered(filename);
 573
 574                 if ( tfp ) {
 575                         char    newname[128];
 576
 577                         #ifndef MACINTOSH
 578                         sprintf( newname, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
 579                         #else
 580                         sprintf(newname, "Players/%s.sg%x", Players[Player_num].callsign, NUM_SAVES);
 581                         #endif
 582
 583                         PHYSFS_seek(tfp, DESC_OFFSET);
 584                         PHYSFS_write(tfp, "[autosave backup]", sizeof(char) * DESC_LENGTH, 1);
 585                         PHYSFS_close(tfp);
 586                         PHYSFS_delete(newname);
 587                         PHYSFSX_rename(filename, newname);
 588                 }
 589         }
 590
 591         rval = state_save_all_sub(filename, desc, between_levels);
 592         if (rval && !secret_save)
 593                 HUD_init_message("Game saved.");
 594
 595         return rval;
 596 }
 597
 598 extern  fix     Flash_effect, Time_flash_last_played;
 599
 600
 601 int state_save_all_sub(char *filename, char *desc, int between_levels)
 602 {
 603         int i,j;
 604         PHYSFS_file *fp;
 605         grs_canvas * cnv;
 606         #ifdef POLY_ACC
 607         grs_canvas cnv2,*save_cnv2;
 608         #endif
 609         ubyte *pal;
 610
 611         Assert(between_levels == 0);    //between levels save ripped out
 612
 613 /*      if ( Game_mode & GM_MULTI )     {
 614                 {
 615                 start_time();
 616                 return 0;
 617                 }
 618         }*/
 619
 620         #if defined(MACINTOSH) && !defined(NDEBUG)
 621         if ( strncmp(filename, ":Players:", 9) )
 622                 Int3();
 623         #endif
 624
 625         fp = PHYSFSX_openWriteBuffered(filename);
 626         if ( !fp ) {
 627                 if ( !(Game_mode & GM_MULTI) )
 628                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 629                 start_time();
 630                 return 0;
 631         }
 632
 633 //Save id
 634         PHYSFS_write(fp, dgss_id, sizeof(char) * 4, 1);
 635
 636 //Save version
 637         i = STATE_VERSION;
 638         PHYSFS_write(fp, &i, sizeof(int), 1);
 639
 640 //Save description
 641         PHYSFS_write(fp, desc, sizeof(char) * DESC_LENGTH, 1);
 642
 643 // Save the current screen shot...
 644
 645         cnv = gr_create_canvas( THUMBNAIL_W, THUMBNAIL_H );
 646         if ( cnv )
 647         {
 648 #ifdef OGL
 649                 ubyte *buf;
 650                 int k;
 651 #endif
 652                 #ifdef WINDOWS
 653                         dd_grs_canvas *cnv_save;
 654                         cnv_save = dd_grd_curcanv;
 655                 #else
 656                         grs_canvas * cnv_save;
 657                         cnv_save = grd_curcanv;
 658                 #endif
 659
 660                 #ifndef MACINTOSH
 661
 662                         #if defined(POLY_ACC)
 663
 664                                         PA_DFX (pa_fool_to_backbuffer());
 665
 666                                         //for poly_acc, we render the frame to the normal render buffer
 667                                         //so that this doesn't show, we create yet another canvas to save
 668                                         //and restore what's on the render buffer
 669                                         PA_DFX (pa_alpha_always());
 670                                         PA_DFX (pa_set_front_to_read());
 671                                         gr_init_sub_canvas( &cnv2, &VR_render_buffer[0], 0, 0, THUMBNAIL_W, THUMBNAIL_H );
 672                                         save_cnv2 = gr_create_canvas2(THUMBNAIL_W, THUMBNAIL_H, cnv2.cv_bitmap.bm_type);
 673                                         gr_set_current_canvas( save_cnv2 );
 674                                         PA_DFX (pa_set_front_to_read());
 675                                         gr_bitmap(0,0,&cnv2.cv_bitmap);
 676                                         gr_set_current_canvas( &cnv2 );
 677                         #else
 678                                         gr_set_current_canvas( cnv );
 679                         #endif
 680
 681                                         PA_DFX (pa_set_backbuffer_current());
 682                                         render_frame(0, 0);
 683                                         PA_DFX (pa_alpha_always());
 684
 685 #if defined(POLY_ACC)
 686                                         #ifndef MACINTOSH
 687                                         screen_shot_pa(cnv,&cnv2);
 688                                         #else
 689                                         if ( PAEnabled )
 690                                                 screen_shot_pa(cnv,&cnv2);
 691                                         #endif
 692 #elif defined(OGL)
 693 # if 1
 694                 buf = d_malloc(THUMBNAIL_W * THUMBNAIL_H * 3);
 695                 glReadBuffer(GL_FRONT);
 696                 glReadPixels(0, SHEIGHT - THUMBNAIL_H, THUMBNAIL_W, THUMBNAIL_H, GL_RGB, GL_UNSIGNED_BYTE, buf);
 697                 k = THUMBNAIL_H;
 698                 for (i = 0; i < THUMBNAIL_W * THUMBNAIL_H; i++) {
 699                         if (!(j = i % THUMBNAIL_W))
 700                                 k--;
 701                         cnv->cv_bitmap.bm_data[THUMBNAIL_W * k + j] =
 702                                 gr_find_closest_color(buf[3*i]/4, buf[3*i+1]/4, buf[3*i+2]/4);
 703                 }
 704                 d_free(buf);
 705 # else // simpler d1x method, not tested yet
 706                 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);
 707 # endif
 708 #endif
 709
 710                                         pal = gr_palette;
 711
 712                                         PHYSFS_write(fp, cnv->cv_bitmap.bm_data, THUMBNAIL_W * THUMBNAIL_H, 1);
 713
 714                         #if defined(POLY_ACC)
 715                                         PA_DFX (pa_alpha_always());
 716                                         PA_DFX (pa_set_frontbuffer_current());
 717                                         PA_DFX(gr_bitmap(0,0,&save_cnv2->cv_bitmap));
 718                                         PA_DFX (pa_set_backbuffer_current());
 719                                         gr_bitmap(0,0,&save_cnv2->cv_bitmap);
 720                                         gr_free_canvas(save_cnv2);
 721                                         PA_DFX (pa_fool_to_offscreen());
 722
 723                         #endif
 724
 725                 #else   // macintosh stuff below
 726                 {
 727                         #if defined(POLY_ACC)
 728                                 int     savePAEnabled = PAEnabled;
 729                                 PAEnabled = false;
 730                         #endif
 731
 732                         gr_set_current_canvas( cnv );
 733                         render_frame(0, 0);
 734                         pal = gr_palette;
 735                         PHYSFS_write(fp, cnv->cv_bitmap.bm_data, THUMBNAIL_W * THUMBNAIL_H, 1);
 736
 737                         #if defined(POLY_ACC)
 738                                 PAEnabled = savePAEnabled;
 739                         #endif
 740                 }
 741                 #endif  // end of ifndef macintosh
 742
 743
 744                 WINDOS(
 745                         dd_gr_set_current_canvas(cnv_save),
 746                         gr_set_current_canvas(cnv_save)
 747                 );
 748                 gr_free_canvas( cnv );
 749                 PHYSFS_write(fp, pal, 3, 256);
 750         }
 751         else
 752         {
 753                 ubyte color = 0;
 754                 for ( i=0; i<THUMBNAIL_W*THUMBNAIL_H; i++ )
 755                         PHYSFS_write(fp, &color, sizeof(ubyte), 1);
 756         }
 757
 758 // Save the Between levels flag...
 759         PHYSFS_write(fp, &between_levels, sizeof(int), 1);
 760
 761 // Save the mission info...
 762         mprintf ((0, "HEY! Mission name is %s\n", Current_mission_filename));
 763         PHYSFS_write(fp, Current_mission_filename, 9 * sizeof(char), 1);
 764
 765 //Save level info
 766         PHYSFS_write(fp, &Current_level_num, sizeof(int), 1);
 767         PHYSFS_write(fp, &Next_level_num, sizeof(int), 1);
 768
 769 //Save GameTime
 770         PHYSFS_write(fp, &GameTime, sizeof(fix), 1);
 771
 772 // If coop save, save all
 773 #ifdef NETWORK
 774    if (Game_mode & GM_MULTI_COOP)
 775          {
 776                 PHYSFS_write(fp, &state_game_id,sizeof(int), 1);
 777                 PHYSFS_write(fp, &Netgame,sizeof(netgame_info), 1);
 778                 PHYSFS_write(fp, &NetPlayers,sizeof(AllNetPlayers_info), 1);
 779                 PHYSFS_write(fp, &N_players,sizeof(int), 1);
 780                 PHYSFS_write(fp, &Player_num,sizeof(int), 1);
 781                 for (i=0;i<N_players;i++)
 782                         PHYSFS_write(fp, &Players[i], sizeof(player), 1);
 783
 784 #ifdef RISKY_PROPOSITION
 785                 PHYSFS_write(fp, &robot_controlled[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 786                 PHYSFS_write(fp, &robot_agitation[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 787                 PHYSFS_write(fp, &robot_controlled_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 788                 PHYSFS_write(fp, &robot_last_send_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 789                 PHYSFS_write(fp, &robot_last_message_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 790                 PHYSFS_write(fp, &robot_send_pending[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 791                 PHYSFS_write(fp, &robot_fired[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
 792
 793       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
 794                         PHYSFS_write(fp, robot_fire_buf[i][0], 18 + 3, 1);
 795 #endif
 796
 797          }
 798 #endif
 799
 800 //Save player info
 801         PHYSFS_write(fp, &Players[Player_num], sizeof(player), 1);
 802
 803 // Save the current weapon info
 804         PHYSFS_write(fp, &Primary_weapon, sizeof(sbyte), 1);
 805         PHYSFS_write(fp, &Secondary_weapon, sizeof(sbyte), 1);
 806
 807 // Save the difficulty level
 808         PHYSFS_write(fp, &Difficulty_level, sizeof(int), 1);
 809 // Save cheats enabled
 810         PHYSFS_write(fp, &Cheats_enabled,sizeof(int), 1);
 811
 812         if ( !between_levels )  {
 813
 814         //Finish all morph objects
 815                 for (i=0; i<=Highest_object_index; i++ )        {
 816                         if ( (Objects[i].type != OBJ_NONE) && (Objects[i].render_type==RT_MORPH))       {
 817                                 morph_data *md;
 818                                 md = find_morph_data(&Objects[i]);
 819                                 if (md) {
 820                                         md->obj->control_type = md->morph_save_control_type;
 821                                         md->obj->movement_type = md->morph_save_movement_type;
 822                                         md->obj->render_type = RT_POLYOBJ;
 823                                         md->obj->mtype.phys_info = md->morph_save_phys_info;
 824                                         md->obj = NULL;
 825                                 } else {                                                //maybe loaded half-morphed from disk
 826                                         Objects[i].flags |= OF_SHOULD_BE_DEAD;
 827                                         Objects[i].render_type = RT_POLYOBJ;
 828                                         Objects[i].control_type = CT_NONE;
 829                                         Objects[i].movement_type = MT_NONE;
 830                                 }
 831                         }
 832                 }
 833
 834         //Save object info
 835                 i = Highest_object_index+1;
 836                 PHYSFS_write(fp, &i, sizeof(int), 1);
 837                 PHYSFS_write(fp, Objects, sizeof(object), i);
 838
 839         //Save wall info
 840                 i = Num_walls;
 841                 PHYSFS_write(fp, &i, sizeof(int), 1);
 842                 PHYSFS_write(fp, Walls, sizeof(wall), i);
 843
 844         //Save exploding wall info
 845                 i = MAX_EXPLODING_WALLS;
 846                 PHYSFS_write(fp, &i, sizeof(int), 1);
 847                 PHYSFS_write(fp, expl_wall_list, sizeof(*expl_wall_list), i);
 848
 849         //Save door info
 850                 i = Num_open_doors;
 851                 PHYSFS_write(fp, &i, sizeof(int), 1);
 852                 PHYSFS_write(fp, ActiveDoors, sizeof(active_door), i);
 853
 854         //Save cloaking wall info
 855                 i = Num_cloaking_walls;
 856                 PHYSFS_write(fp, &i, sizeof(int), 1);
 857                 PHYSFS_write(fp, CloakingWalls, sizeof(cloaking_wall), i);
 858
 859         //Save trigger info
 860                 PHYSFS_write(fp, &Num_triggers, sizeof(int), 1);
 861                 PHYSFS_write(fp, Triggers, sizeof(trigger), Num_triggers);
 862
 863         //Save tmap info
 864                 for (i = 0; i <= Highest_segment_index; i++)
 865                 {
 866                         for (j = 0; j < 6; j++)
 867                         {
 868                                 PHYSFS_write(fp, &Segments[i].sides[j].wall_num, sizeof(short), 1);
 869                                 PHYSFS_write(fp, &Segments[i].sides[j].tmap_num, sizeof(short), 1);
 870                                 PHYSFS_write(fp, &Segments[i].sides[j].tmap_num2, sizeof(short), 1);
 871                         }
 872                 }
 873
 874         // Save the fuelcen info
 875                 PHYSFS_write(fp, &Control_center_destroyed, sizeof(int), 1);
 876                 PHYSFS_write(fp, &Countdown_timer, sizeof(int), 1);
 877                 PHYSFS_write(fp, &Num_robot_centers, sizeof(int), 1);
 878                 PHYSFS_write(fp, RobotCenters, sizeof(matcen_info), Num_robot_centers);
 879                 PHYSFS_write(fp, &ControlCenterTriggers, sizeof(control_center_triggers), 1);
 880                 PHYSFS_write(fp, &Num_fuelcenters, sizeof(int), 1);
 881                 PHYSFS_write(fp, Station, sizeof(FuelCenter), Num_fuelcenters);
 882
 883         // Save the control cen info
 884                 PHYSFS_write(fp, &Control_center_been_hit, sizeof(int), 1);
 885                 PHYSFS_write(fp, &Control_center_player_been_seen, sizeof(int), 1);
 886                 PHYSFS_write(fp, &Control_center_next_fire_time, sizeof(int), 1);
 887                 PHYSFS_write(fp, &Control_center_present, sizeof(int), 1);
 888                 PHYSFS_write(fp, &Dead_controlcen_object_num, sizeof(int), 1);
 889
 890         // Save the AI state
 891                 ai_save_state( fp );
 892
 893         // Save the automap visited info
 894                 PHYSFS_write(fp, Automap_visited, sizeof(ubyte), MAX_SEGMENTS);
 895
 896         }
 897         PHYSFS_write(fp, &state_game_id, sizeof(uint), 1);
 898         PHYSFS_write(fp, &Laser_rapid_fire, sizeof(int), 1);
 899         PHYSFS_write(fp, &Lunacy, sizeof(int), 1);  //  Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
 900         PHYSFS_write(fp, &Lunacy, sizeof(int), 1);
 901
 902         // Save automap marker info
 903
 904         PHYSFS_write(fp, MarkerObject, sizeof(MarkerObject) ,1);
 905         PHYSFS_write(fp, MarkerOwner, sizeof(MarkerOwner), 1);
 906         PHYSFS_write(fp, MarkerMessage, sizeof(MarkerMessage), 1);
 907
 908         PHYSFS_write(fp, &Afterburner_charge, sizeof(fix), 1);
 909
 910         //save last was super information
 911         PHYSFS_write(fp, &Primary_last_was_super, sizeof(Primary_last_was_super), 1);
 912         PHYSFS_write(fp, &Secondary_last_was_super, sizeof(Secondary_last_was_super), 1);
 913
 914         //      Save flash effect stuff
 915         PHYSFS_write(fp, &Flash_effect, sizeof(int), 1);
 916         PHYSFS_write(fp, &Time_flash_last_played, sizeof(int), 1);
 917         PHYSFS_write(fp, &PaletteRedAdd, sizeof(int), 1);
 918         PHYSFS_write(fp, &PaletteGreenAdd, sizeof(int), 1);
 919         PHYSFS_write(fp, &PaletteBlueAdd, sizeof(int), 1);
 920
 921         PHYSFS_write(fp, Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS);
 922
 923         PHYSFS_write(fp, &First_secret_visit, sizeof(First_secret_visit), 1);
 924
 925         if (PHYSFS_write(fp, &Omega_charge, sizeof(Omega_charge), 1) < 1)
 926         {
 927                 if ( !(Game_mode & GM_MULTI) ) {
 928                         nm_messagebox(NULL, 1, TXT_OK, "Error writing savegame.\nPossibly out of disk\nspace.");
 929                         PHYSFS_close(fp);
 930                         PHYSFS_delete(filename);
 931                 }
 932         } else  {
 933                 PHYSFS_close(fp);
 934
 935                 #ifdef MACINTOSH                // set the type and creator of the saved game file
 936                 {
 937                         FInfo finfo;
 938                         OSErr err;
 939                         Str255 pfilename;
 940
 941                         strcpy(pfilename, filename);
 942                         c2pstr(pfilename);
 943                         err = HGetFInfo(0, 0, pfilename, &finfo);
 944                         finfo.fdType = 'SVGM';
 945                         finfo.fdCreator = 'DCT2';
 946                         err = HSetFInfo(0, 0, pfilename, &finfo);
 947                 }
 948                 #endif
 949         }
 950
 951         start_time();
 952
 953         return 1;
 954 }
 955
 956 //      -----------------------------------------------------------------------------------
 957 //      Set the player's position from the globals Secret_return_segment and Secret_return_orient.
 958 void set_pos_from_return_segment(void)
 959 {
 960         int     plobjnum = Players[Player_num].objnum;
 961
 962         compute_segment_center(&Objects[plobjnum].pos, &Segments[Secret_return_segment]);
 963         obj_relink(plobjnum, Secret_return_segment);
 964         reset_player_object();
 965         Objects[plobjnum].orient = Secret_return_orient;
 966 }
 967
 968 //      -----------------------------------------------------------------------------------
 969 int state_restore_all(int in_game, int secret_restore, char *filename_override)
 970 {
 971         char filename[128];
 972         int     filenum = -1;
 973
 974 #ifdef NETWORK
 975         if ( Game_mode & GM_MULTI )     {
 976 #ifdef MULTI_SAVE
 977                         multi_initiate_restore_game();
 978 #endif
 979                 return 0;
 980         }
 981 #endif
 982
 983         if (in_game && (Current_level_num < 0) && (secret_restore == 0)) {
 984                 HUD_init_message( "Can't restore in secret level!" );
 985                 return 0;
 986         }
 987
 988         if ( Newdemo_state == ND_STATE_RECORDING )
 989                 newdemo_stop_recording();
 990
 991         if ( Newdemo_state != ND_STATE_NORMAL )
 992                 return 0;
 993
 994         stop_time();
 995
 996         if (filename_override) {
 997                 strcpy(filename, filename_override);
 998                 filenum = NUM_SAVES+1;          //      So we don't trigger autosave
 999         } else if (!(filenum = state_get_restore_file(filename, 0)))    {
1000                 start_time();
1001                 return 0;
1002         }
1003
1004         //      MK, 1/1/96
1005         //      If not in multiplayer, do special secret level stuff.
1006         //      If Nsecret.sgc (where N = filenum) exists, then copy it to secret.sgc.
1007         //      If it doesn't exist, then delete secret.sgc
1008         if (!secret_restore && !(Game_mode & GM_MULTI)) {
1009                 int     rval;
1010                 char    temp_fname[32], fc;
1011
1012                 if (filenum != -1) {
1013                         if (filenum >= 10)
1014                                 fc = (filenum-10) + 'a';
1015                         else
1016                                 fc = '0' + filenum;
1017
1018                         #ifndef MACINTOSH
1019                         sprintf(temp_fname, "%csecret.sgc", fc);
1020                         #else
1021                         sprintf(temp_fname, "Players/%csecret.sgc", fc);
1022                         #endif
1023
1024                         mprintf((0, "Trying to copy %s to secret.sgc.\n", temp_fname));
1025
1026                         if (PHYSFS_exists(temp_fname))
1027                         {
1028                                 mprintf((0, "Copying %s to secret.sgc\n", temp_fname));
1029                                 rval = copy_file(temp_fname, SECRETC_FILENAME);
1030                                 Assert(rval == 0);      //      Oops, error copying temp_fname to secret.sgc!
1031                         } else
1032                                 PHYSFS_delete(SECRETC_FILENAME);
1033                 }
1034         }
1035
1036         //      Changed, 11/15/95, MK, don't to autosave if restoring from main menu.
1037         if ((filenum != (NUM_SAVES+1)) && in_game) {
1038                 char    temp_filename[128];
1039                 mprintf((0, "Doing autosave, filenum = %i, != %i!\n", filenum, NUM_SAVES+1));
1040                 #ifndef MACINTOSH
1041                 sprintf( temp_filename, "%s.sg%x", Players[Player_num].callsign, NUM_SAVES );
1042                 #else
1043                 sprintf(temp_filename, "Players/%s.sg%x", Players[Player_num].callsign, NUM_SAVES);
1044                 #endif
1045                 state_save_all(!in_game, secret_restore, temp_filename, 0);
1046         }
1047
1048         if ( !secret_restore && in_game ) {
1049                 int choice;
1050                 choice =  nm_messagebox( NULL, 2, "Yes", "No", "Restore Game?" );
1051                 if ( choice != 0 )      {
1052                         start_time();
1053                         return 0;
1054                 }
1055         }
1056
1057         start_time();
1058
1059         return state_restore_all_sub(filename, 0, secret_restore);
1060 }
1061
1062 extern void init_player_stats_new_ship(void);
1063
1064 void ShowLevelIntro(int level_num);
1065
1066 extern void do_cloak_invul_secret_stuff(fix old_gametime);
1067 extern void copy_defaults_to_robot(object *objp);
1068
1069 int state_restore_all_sub(char *filename, int multi, int secret_restore)
1070 {
1071         int ObjectStartLocation;
1072         int version,i, j, segnum;
1073         object * obj;
1074         PHYSFS_file *fp;
1075         int current_level, next_level;
1076         int between_levels;
1077         char mission[16];
1078         char desc[DESC_LENGTH+1];
1079         char id[5];
1080         char org_callsign[CALLSIGN_LEN+16];
1081 #ifdef NETWORK
1082         int found;
1083         int nplayers;   //,playid[12],mynum;
1084         player restore_players[MAX_PLAYERS];
1085 #endif
1086         fix     old_gametime = GameTime;
1087
1088         #if defined(MACINTOSH) && !defined(NDEBUG)
1089         if (strncmp(filename, "Players/", 9))
1090                 Int3();
1091         #endif
1092
1093         fp = PHYSFSX_openReadBuffered(filename);
1094         if ( !fp ) return 0;
1095
1096 //Read id
1097         //FIXME: check for swapped file, react accordingly...
1098         PHYSFS_read(fp, id, sizeof(char) * 4, 1);
1099         if ( memcmp( id, dgss_id, 4 )) {
1100                 PHYSFS_close(fp);
1101                 return 0;
1102         }
1103
1104 //Read version
1105         PHYSFS_read(fp, &version, sizeof(int), 1);
1106         if (version < STATE_COMPATIBLE_VERSION) {
1107                 PHYSFS_close(fp);
1108                 return 0;
1109         }
1110
1111 // Read description
1112         PHYSFS_read(fp, desc, sizeof(char) * DESC_LENGTH, 1);
1113
1114 // Skip the current screen shot...
1115         PHYSFS_seek(fp, PHYSFS_tell(fp) + THUMBNAIL_W * THUMBNAIL_H);
1116
1117 // And now...skip the goddamn palette stuff that somebody forgot to add
1118         PHYSFS_seek(fp, PHYSFS_tell(fp) + 768);
1119
1120 // Read the Between levels flag...
1121         PHYSFS_read(fp, &between_levels, sizeof(int), 1);
1122
1123         Assert(between_levels == 0);    //between levels save ripped out
1124
1125 // Read the mission info...
1126         PHYSFS_read(fp, mission, sizeof(char) * 9, 1);
1127         mprintf ((0,"Missionname to load = %s\n",mission));
1128
1129         if (!load_mission_by_name( mission ))   {
1130                 nm_messagebox( NULL, 1, "Ok", "Error!\nUnable to load mission\n'%s'\n", mission );
1131                 PHYSFS_close(fp);
1132                 return 0;
1133         }
1134
1135 //Read level info
1136         PHYSFS_read(fp, &current_level, sizeof(int), 1);
1137         PHYSFS_read(fp, &next_level, sizeof(int), 1);
1138
1139 //Restore GameTime
1140         PHYSFS_read(fp, &GameTime, sizeof(fix), 1);
1141
1142 // Start new game....
1143         if (!multi)     {
1144                 Game_mode = GM_NORMAL;
1145                 Function_mode = FMODE_GAME;
1146 #ifdef NETWORK
1147                 change_playernum_to(0);
1148 #endif
1149                 strcpy( org_callsign, Players[0].callsign );
1150                 N_players = 1;
1151                 if (!secret_restore) {
1152                         InitPlayerObject();                             //make sure player's object set up
1153                         init_player_stats_game();               //clear all stats
1154                 }
1155         } else {
1156                 strcpy( org_callsign, Players[Player_num].callsign );
1157         }
1158
1159 #ifdef NETWORK
1160    if (Game_mode & GM_MULTI)
1161          {
1162                 PHYSFS_read(fp, &state_game_id, sizeof(int), 1);
1163                 PHYSFS_read(fp, &Netgame, sizeof(netgame_info), 1);
1164                 PHYSFS_read(fp, &NetPlayers, sizeof(AllNetPlayers_info), 1);
1165                 PHYSFS_read(fp, &nplayers, sizeof(N_players), 1);
1166                 PHYSFS_read(fp, &Player_num, sizeof(Player_num), 1);
1167                 for (i=0;i<nplayers;i++)
1168                         PHYSFS_read(fp, &restore_players[i], sizeof(player), 1);
1169 #ifdef RISKY_PROPOSITION
1170                 PHYSFS_read(fp, &robot_controlled[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1171                 PHYSFS_read(fp, &robot_agitation[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1172                 PHYSFS_read(fp, &robot_controlled_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1173                 PHYSFS_read(fp, &robot_last_send_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1174                 PHYSFS_read(fp, &robot_last_message_time[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1175                 PHYSFS_read(fp, &robot_send_pending[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1176                 PHYSFS_read(fp, &robot_fired[0], 4 * MAX_ROBOTS_CONTROLLED, 1);
1177
1178       for (i=0;i<MAX_ROBOTS_CONTROLLED;i++)
1179                         PHYSFS_read(fp, &robot_fire_buf[i][0],21,1);
1180 #endif
1181
1182            for (i=0;i<nplayers;i++)
1183                  {
1184                   found=0;
1185                   for (j=0;j<nplayers;j++)
1186                          {
1187            if ((!strcmp (restore_players[i].callsign,Players[j].callsign)) && Players[j].connected==1)
1188                                  found=1;
1189                          }
1190                   restore_players[i].connected=found;
1191             }
1192                 memcpy (&Players,&restore_players,sizeof(player)*nplayers);
1193                 N_players=nplayers;
1194
1195       if (network_i_am_master())
1196                  {
1197                   for (i=0;i<N_players;i++)
1198                         {
1199                          if (i==Player_num)
1200                                 continue;
1201                  Players[i].connected=0;
1202                         }
1203                  }
1204
1205                 //Viewer = ConsoleObject = &Objects[Players[Player_num].objnum];
1206          }
1207
1208 #endif
1209
1210 //Read player info
1211
1212         {
1213                 StartNewLevelSub(current_level, 1, secret_restore);
1214
1215                 if (secret_restore) {
1216                         player  dummy_player;
1217
1218                         PHYSFS_read(fp, &dummy_player, sizeof(player), 1);
1219                         if (secret_restore == 1) {              //      This means he didn't die, so he keeps what he got in the secret level.
1220                                 Players[Player_num].level = dummy_player.level;
1221                                 Players[Player_num].last_score = dummy_player.last_score;
1222                                 Players[Player_num].time_level = dummy_player.time_level;
1223
1224                                 Players[Player_num].num_robots_level = dummy_player.num_robots_level;
1225                                 Players[Player_num].num_robots_total = dummy_player.num_robots_total;
1226                                 Players[Player_num].hostages_rescued_total = dummy_player.hostages_rescued_total;
1227                                 Players[Player_num].hostages_total = dummy_player.hostages_total;
1228                                 Players[Player_num].hostages_on_board = dummy_player.hostages_on_board;
1229                                 Players[Player_num].hostages_level = dummy_player.hostages_level;
1230                                 Players[Player_num].homing_object_dist = dummy_player.homing_object_dist;
1231                                 Players[Player_num].hours_level = dummy_player.hours_level;
1232                                 Players[Player_num].hours_total = dummy_player.hours_total;
1233                                 do_cloak_invul_secret_stuff(old_gametime);
1234                         } else {
1235                                 Players[Player_num] = dummy_player;
1236                         }
1237                 } else {
1238                         PHYSFS_read(fp, &Players[Player_num], sizeof(player), 1);
1239                 }
1240         }
1241         strcpy( Players[Player_num].callsign, org_callsign );
1242
1243 // Set the right level
1244         if ( between_levels )
1245                 Players[Player_num].level = next_level;
1246
1247 // Restore the weapon states
1248         PHYSFS_read(fp, &Primary_weapon, sizeof(sbyte), 1);
1249         PHYSFS_read(fp, &Secondary_weapon, sizeof(sbyte), 1);
1250
1251         select_weapon(Primary_weapon, 0, 0, 0);
1252         select_weapon(Secondary_weapon, 1, 0, 0);
1253
1254 // Restore the difficulty level
1255         PHYSFS_read(fp, &Difficulty_level, sizeof(int), 1);
1256
1257 // Restore the cheats enabled flag
1258
1259         PHYSFS_read(fp, &Cheats_enabled, sizeof(int),1);
1260
1261         if ( !between_levels )  {
1262                 Do_appearance_effect = 0;                       // Don't do this for middle o' game stuff.
1263
1264                 ObjectStartLocation = PHYSFS_tell(fp);
1265                 //Clear out all the objects from the lvl file
1266                 for (segnum=0; segnum <= Highest_segment_index; segnum++)
1267                         Segments[segnum].objects = -1;
1268                 reset_objects(1);
1269
1270                 //Read objects, and pop 'em into their respective segments.
1271                 PHYSFS_read(fp, &i, sizeof(int), 1);
1272                 Highest_object_index = i-1;
1273                 PHYSFS_read(fp, Objects, sizeof(object) * i, 1);
1274
1275                 Object_next_signature = 0;
1276                 for (i=0; i<=Highest_object_index; i++ )        {
1277                         obj = &Objects[i];
1278                         obj->rtype.pobj_info.alt_textures = -1;
1279                         segnum = obj->segnum;
1280                         obj->next = obj->prev = obj->segnum = -1;
1281                         if ( obj->type != OBJ_NONE )    {
1282                                 obj_link(i,segnum);
1283                                 if ( obj->signature > Object_next_signature )
1284                                         Object_next_signature = obj->signature;
1285                         }
1286
1287                         //look for, and fix, boss with bogus shields
1288                         if (obj->type == OBJ_ROBOT && Robot_info[obj->id].boss_flag) {
1289                                 fix save_shields = obj->shields;
1290
1291                                 copy_defaults_to_robot(obj);            //calculate starting shields
1292
1293                                 //if in valid range, use loaded shield value
1294                                 if (save_shields > 0 && save_shields <= obj->shields)
1295                                         obj->shields = save_shields;
1296                                 else
1297                                         obj->shields /= 2;  //give player a break
1298                         }
1299
1300                 }
1301                 special_reset_objects();
1302                 Object_next_signature++;
1303
1304                 //      1 = Didn't die on secret level.
1305                 //      2 = Died on secret level.
1306                 if (secret_restore && (Current_level_num >= 0)) {
1307                         set_pos_from_return_segment();
1308                         if (secret_restore == 2)
1309                                 init_player_stats_new_ship();
1310                 }
1311
1312                 //Restore wall info
1313                 PHYSFS_read(fp, &i, sizeof(int), 1);
1314                 Num_walls = i;
1315                 PHYSFS_read(fp, Walls, sizeof(wall), Num_walls);
1316
1317                 //now that we have the walls, check if any sounds are linked to
1318                 //walls that are now open
1319                 for (i=0;i<Num_walls;i++) {
1320                         if (Walls[i].type == WALL_OPEN)
1321                                 digi_kill_sound_linked_to_segment(Walls[i].segnum,Walls[i].sidenum,-1); //-1 means kill any sound
1322                 }
1323
1324                 //Restore exploding wall info
1325                 if (version >= 10) {
1326                         PHYSFS_read(fp, &i, sizeof(int), 1);
1327                         PHYSFS_read(fp, expl_wall_list, sizeof(*expl_wall_list), i);
1328                 }
1329
1330                 //Restore door info
1331                 PHYSFS_read(fp, &i, sizeof(int), 1);
1332                 Num_open_doors = i;
1333                 PHYSFS_read(fp, ActiveDoors, sizeof(active_door), Num_open_doors);
1334
1335                 if (version >= 14) {            //Restore cloaking wall info
1336                         PHYSFS_read(fp, &i, sizeof(int), 1);
1337                         Num_cloaking_walls = i;
1338                         PHYSFS_read(fp, CloakingWalls, sizeof(cloaking_wall), Num_cloaking_walls);
1339                 }
1340
1341                 //Restore trigger info
1342                 PHYSFS_read(fp, &Num_triggers, sizeof(int), 1);
1343                 PHYSFS_read(fp, Triggers, sizeof(trigger), Num_triggers);
1344
1345                 //Restore tmap info
1346                 for (i=0; i<=Highest_segment_index; i++ )       {
1347                         for (j=0; j<6; j++ )    {
1348                                 PHYSFS_read(fp, &Segments[i].sides[j].wall_num, sizeof(short), 1);
1349                                 PHYSFS_read(fp, &Segments[i].sides[j].tmap_num, sizeof(short), 1);
1350                                 PHYSFS_read(fp, &Segments[i].sides[j].tmap_num2, sizeof(short), 1);
1351                         }
1352                 }
1353
1354                 //Restore the fuelcen info
1355                 PHYSFS_read(fp, &Control_center_destroyed, sizeof(int), 1);
1356                 PHYSFS_read(fp, &Countdown_timer, sizeof(int), 1);
1357                 PHYSFS_read(fp, &Num_robot_centers, sizeof(int), 1);
1358                 PHYSFS_read(fp, RobotCenters, sizeof(matcen_info), Num_robot_centers);
1359                 PHYSFS_read(fp, &ControlCenterTriggers, sizeof(control_center_triggers), 1);
1360                 PHYSFS_read(fp, &Num_fuelcenters, sizeof(int), 1);
1361                 PHYSFS_read(fp, Station, sizeof(FuelCenter), Num_fuelcenters);
1362
1363                 // Restore the control cen info
1364                 PHYSFS_read(fp, &Control_center_been_hit, sizeof(int), 1);
1365                 PHYSFS_read(fp, &Control_center_player_been_seen, sizeof(int), 1);
1366                 PHYSFS_read(fp, &Control_center_next_fire_time, sizeof(int), 1);
1367                 PHYSFS_read(fp, &Control_center_present, sizeof(int), 1);
1368                 PHYSFS_read(fp, &Dead_controlcen_object_num, sizeof(int), 1);
1369
1370                 // Restore the AI state
1371                 ai_restore_state( fp, version );
1372
1373                 // Restore the automap visited info
1374                 PHYSFS_read(fp, Automap_visited, sizeof(ubyte), MAX_SEGMENTS);
1375
1376                 //      Restore hacked up weapon system stuff.
1377                 Fusion_next_sound_time = GameTime;
1378                 Auto_fire_fusion_cannon_time = 0;
1379                 Next_laser_fire_time = GameTime;
1380                 Next_missile_fire_time = GameTime;
1381                 Last_laser_fired_time = GameTime;
1382
1383         }
1384         state_game_id = 0;
1385
1386         if ( version >= 7 )     {
1387                 PHYSFS_read(fp, &state_game_id, sizeof(uint), 1);
1388                 PHYSFS_read(fp, &Laser_rapid_fire, sizeof(int), 1);
1389                 PHYSFS_read(fp, &Lunacy, sizeof(int), 1);               //      Yes, writing this twice.  Removed the Ugly robot system, but didn't want to change savegame format.
1390                 PHYSFS_read(fp, &Lunacy, sizeof(int), 1);
1391                 if ( Lunacy )
1392                         do_lunacy_on();
1393         }
1394
1395         if (version >= 17) {
1396                 PHYSFS_read(fp, MarkerObject, sizeof(MarkerObject), 1);
1397                 PHYSFS_read(fp, MarkerOwner, sizeof(MarkerOwner), 1);
1398                 PHYSFS_read(fp, MarkerMessage, sizeof(MarkerMessage), 1);
1399         }
1400         else {
1401                 int num,dummy;
1402
1403                 // skip dummy info
1404
1405                 PHYSFS_read(fp, &num,sizeof(int), 1);           // was NumOfMarkers
1406                 PHYSFS_read(fp, &dummy,sizeof(int), 1);         // was CurMarker
1407
1408                 PHYSFS_seek(fp, PHYSFS_tell(fp) + num * (sizeof(vms_vector) + 40));
1409
1410                 for (num=0;num<NUM_MARKERS;num++)
1411                         MarkerObject[num] = -1;
1412         }
1413
1414         if (version>=11) {
1415                 if (secret_restore != 1)
1416                         PHYSFS_read(fp, &Afterburner_charge, sizeof(fix), 1);
1417                 else {
1418                         fix     dummy_fix;
1419                         PHYSFS_read(fp, &dummy_fix, sizeof(fix), 1);
1420                 }
1421         }
1422         if (version>=12) {
1423                 //read last was super information
1424                 PHYSFS_read(fp, &Primary_last_was_super, sizeof(Primary_last_was_super), 1);
1425                 PHYSFS_read(fp, &Secondary_last_was_super, sizeof(Secondary_last_was_super), 1);
1426         }
1427
1428         if (version >= 12) {
1429                 PHYSFS_read(fp, &Flash_effect, sizeof(int), 1);
1430                 PHYSFS_read(fp, &Time_flash_last_played, sizeof(int), 1);
1431                 PHYSFS_read(fp, &PaletteRedAdd, sizeof(int), 1);
1432                 PHYSFS_read(fp, &PaletteGreenAdd, sizeof(int), 1);
1433                 PHYSFS_read(fp, &PaletteBlueAdd, sizeof(int), 1);
1434         } else {
1435                 Flash_effect = 0;
1436                 Time_flash_last_played = 0;
1437                 PaletteRedAdd = 0;
1438                 PaletteGreenAdd = 0;
1439                 PaletteBlueAdd = 0;
1440         }
1441
1442         //      Load Light_subtracted
1443         if (version >= 16) {
1444                 PHYSFS_read(fp, Light_subtracted, sizeof(Light_subtracted[0]), MAX_SEGMENTS);
1445                 apply_all_changed_light();
1446                 compute_all_static_light();     //      set static_light field in segment struct.  See note at that function.
1447         } else {
1448                 int     i;
1449                 for (i=0; i<=Highest_segment_index; i++)
1450                         Light_subtracted[i] = 0;
1451         }
1452
1453         if (!secret_restore) {
1454                 if (version >= 20) {
1455                         PHYSFS_read(fp, &First_secret_visit, sizeof(First_secret_visit), 1);
1456                         mprintf((0, "File: [%s] Read First_secret_visit: New value = %i\n", filename, First_secret_visit));
1457                 } else
1458                         First_secret_visit = 1;
1459         } else
1460                 First_secret_visit = 0;
1461
1462         if (version >= 22)
1463         {
1464                 if (secret_restore != 1)
1465                         PHYSFS_read(fp, &Omega_charge, sizeof(fix), 1);
1466                 else {
1467                         fix     dummy_fix;
1468                         PHYSFS_read(fp, &dummy_fix, sizeof(fix), 1);
1469                 }
1470         }
1471
1472         PHYSFS_close(fp);
1473
1474 #ifdef NETWORK
1475    if (Game_mode & GM_MULTI)   // Get rid of ships that aren't
1476          {                                                                       // connected in the restored game
1477                 for (i=0;i<nplayers;i++)
1478                  {
1479                   mprintf ((0,"Testing %s = %d\n",Players[i].callsign,Players[i].connected));
1480                   if (Players[i].connected!=1)
1481                    {
1482                     network_disconnect_player (i);
1483                create_player_appearance_effect(&Objects[Players[i].objnum]);
1484                          mprintf ((0,"Killing player ship %s!\n",Players[i].callsign));
1485               }
1486                  }
1487
1488          }
1489 #endif
1490
1491 // Load in bitmaps, etc..
1492 //!!    piggy_load_level_data();        //already done by StartNewLevelSub()
1493
1494         return 1;
1495 }
1496
1497 //      When loading a saved game, segp->static_light is bogus.
1498 //      This is because apply_all_changed_light, which is supposed to properly update this value,
1499 //      cannot do so because it needs the original light cast from a light which is no longer there.
1500 //      That is, a light has been blown out, so the texture remaining casts 0 light, but the static light
1501 //      which is present in the static_light field contains the light cast from that light.
1502 void compute_all_static_light(void)
1503 {
1504         int     i, j, k;
1505
1506         for (i=0; i<=Highest_segment_index; i++) {
1507                 fix     total_light;
1508                 segment *segp;
1509
1510                 segp = &Segments[i];
1511                 total_light = 0;
1512
1513                 for (j=0; j<MAX_SIDES_PER_SEGMENT; j++) {
1514                         side    *sidep;
1515
1516                         sidep = &segp->sides[j];
1517
1518                         for (k=0; k<4; k++)
1519                                 total_light += sidep->uvls[k].l;
1520                 }
1521
1522                 Segment2s[i].static_light = total_light/(MAX_SIDES_PER_SEGMENT*4);
1523         }
1524
1525 }
1526
1527
1528 int state_get_game_id(char *filename)
1529 {
1530         int version;
1531         PHYSFS_file *fp;
1532         int between_levels;
1533         char mission[16];
1534         char desc[DESC_LENGTH+1];
1535         char id[5];
1536         int dumbint;
1537
1538 mprintf((0, "Restoring multigame from [%s]\n", filename));
1539
1540         fp = PHYSFS_openRead(filename);
1541         if (!fp) return 0;
1542
1543 //Read id
1544         //FIXME: check for swapped file, react accordingly...
1545         PHYSFS_read(fp, id, sizeof(char) * 4, 1);
1546         if ( memcmp( id, dgss_id, 4 )) {
1547                 PHYSFS_close(fp);
1548                 return 0;
1549         }
1550
1551 //Read version
1552         PHYSFS_read(fp, &version, sizeof(int), 1);
1553         if (version < STATE_COMPATIBLE_VERSION) {
1554                 PHYSFS_close(fp);
1555                 return 0;
1556         }
1557
1558 // Read description
1559         PHYSFS_read(fp, desc, sizeof(char) * DESC_LENGTH, 1);
1560
1561 // Skip the current screen shot...
1562         PHYSFS_seek(fp, PHYSFS_tell(fp) + THUMBNAIL_W * THUMBNAIL_H);
1563
1564 // And now...skip the palette stuff that somebody forgot to add
1565         PHYSFS_seek(fp, PHYSFS_tell(fp) + 768);
1566
1567 // Read the Between levels flag...
1568         PHYSFS_read(fp, &between_levels, sizeof(int), 1);
1569
1570         Assert(between_levels == 0);    //between levels save ripped out
1571
1572 // Read the mission info...
1573         PHYSFS_read(fp, mission, sizeof(char) * 9, 1);
1574 //Read level info
1575         PHYSFS_read(fp, &dumbint, sizeof(int), 1);
1576         PHYSFS_read(fp, &dumbint, sizeof(int), 1);
1577
1578 //Restore GameTime
1579         PHYSFS_read(fp, &dumbint, sizeof(fix), 1);
1580
1581         PHYSFS_read(fp, &state_game_id, sizeof(int), 1);
1582
1583         return (state_game_id);
1584  }
1585
1586 #if defined(POLY_ACC)
1587 //void screen_shot_pa(ubyte *dst,ushort *src)
1588 //{
1589 //    //ushort *src = pa_get_buffer_address(0),
1590 //    ushort *s;
1591 //    fix u, v, du, dv;
1592 //    int ui, w, h;
1593 //
1594 //    pa_flush();
1595 //
1596 //    du = (640.0 / (float)THUMBNAIL_W) * 65536.0;
1597 //    dv = (480.0 / (float)THUMBNAIL_H) * 65536.0;
1598 //
1599 //    for(v = h = 0; h != THUMBNAIL_H; ++h)
1600 //    {
1601 //        s = src + f2i(v) * 640;
1602 //        v += dv;
1603 //        for(u = w = 0; w != THUMBNAIL_W; ++w)
1604 //        {
1605 //            ui = f2i(u);
1606 //            *dst++ = gr_find_closest_color((s[ui] >> 9) & 0x3e, (s[ui] >> 4) & 0x3e, (s[ui] << 1) & 0x3e);
1607 //            u += du;
1608 //        }
1609 //    }
1610 //}
1611
1612 void screen_shot_pa(grs_canvas *dcanv,grs_canvas *scanv)
1613 {
1614 #if !defined(MACINTOSH)
1615         ubyte *dst;
1616         ushort *src;
1617         int x,y;
1618
1619         Assert(scanv->cv_w == dcanv->cv_w && scanv->cv_h == dcanv->cv_h);
1620
1621         pa_flush();
1622
1623         src = (ushort *) scanv->cv_bitmap.bm_data;
1624         dst = dcanv->cv_bitmap.bm_data;
1625
1626         #ifdef PA_3DFX_VOODOO
1627    src=(ushort *)pa_set_back_to_read();
1628         #endif
1629
1630         for (y=0; y<scanv->cv_h; y++) {
1631                 for (x=0; x<scanv->cv_w; x++) {
1632                         #ifdef PA_3DFX_VOODOO
1633                         *dst++ = gr_find_closest_color((*src >> 10) & 0x3e, (*src >> 5) & 0x3f, (*src << 1) & 0x3e);
1634                         #else
1635                         *dst++ = gr_find_closest_color((*src >> 9) & 0x3e, (*src >> 4) & 0x3e, (*src << 1) & 0x3e);
1636                         #endif
1637
1638                         src++;
1639                 }
1640                 src = (ushort *) (((ubyte *) src) + (scanv->cv_bitmap.bm_rowsize - (scanv->cv_bitmap.bm_w*PA_BPP)));
1641                 dst += dcanv->cv_bitmap.bm_rowsize - dcanv->cv_bitmap.bm_w;
1642         }
1643         #ifdef PA_3DFX_VOODOO
1644         pa_set_front_to_read();
1645         #endif
1646 #endif
1647 }
1648 #endif
1649