main/mission.c

   1 /* $Id: mission.c,v 1.33 2004-12-02 16:41:54 schaffner 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  * Code to handle multiple missions
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include <conf.h>
  23 #endif
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <ctype.h>
  29 #include <limits.h>
  30
  31 #include "pstypes.h"
  32 #include "cfile.h"
  33
  34 #include "strutil.h"
  35 #include "inferno.h"
  36 #include "mission.h"
  37 #include "gameseq.h"
  38 #include "titles.h"
  39 #include "songs.h"
  40 #include "mono.h"
  41 #include "error.h"
  42 #include "config.h"
  43 #include "newmenu.h"
  44 #include "text.h"
  45 #include "u_mem.h"
  46 #include "ignorecase.h"
  47
  48 //values for d1 built-in mission
  49 #define BIM_LAST_LEVEL          27
  50 #define BIM_LAST_SECRET_LEVEL   -3
  51 #define BIM_BRIEFING_FILE       "briefing.tex"
  52 #define BIM_ENDING_FILE         "endreg.tex"
  53
  54 //mission list entry
  55 typedef struct mle {
  56     char    mission_name[MISSION_NAME_LEN+1];
  57     char    filename[9];                // filename without extension
  58     ubyte   descent_version;            // descent 1 or descent 2?
  59     bool        anarchy_only_flag;          // if true, mission is anarchy only
  60     int         builtin_hogsize;        // This is used to determine the version. Only for the built in mission.
  61     ubyte   location;                   // see defines below
  62 } mle;
  63
  64 //values that describe where a mission is located
  65 #define ML_CURDIR       0
  66 #define ML_MISSIONDIR   1
  67 #define ML_CDROM        2
  68
  69 mle Mission_list[MAX_MISSIONS];
  70
  71 int num_missions = -1;
  72
  73 Mission *Current_mission = NULL; // currently loaded mission
  74
  75 //
  76 //  Special versions of mission routines for d1 builtins
  77 //
  78
  79 int load_mission_d1(void)
  80 {
  81         int i;
  82
  83         switch (cfile_size("descent.hog")) {
  84         case D1_SHAREWARE_MISSION_HOGSIZE:
  85         case D1_SHAREWARE_10_MISSION_HOGSIZE:
  86                 N_secret_levels = 0;
  87
  88                 Last_level = 7;
  89                 Last_secret_level = 0;
  90
  91                 //build level names
  92                 for (i=0;i<Last_level;i++)
  93                         sprintf(Level_names[i], "level%02d.sdl", i+1);
  94
  95                 break;
  96         case D1_MAC_SHARE_MISSION_HOGSIZE:
  97                 N_secret_levels = 0;
  98
  99                 Last_level = 3;
 100                 Last_secret_level = 0;
 101
 102                 //build level names
 103                 for (i=0;i<Last_level;i++)
 104                         sprintf(Level_names[i], "level%02d.sdl", i+1);
 105
 106                 break;
 107         case D1_OEM_MISSION_HOGSIZE:
 108         case D1_OEM_10_MISSION_HOGSIZE:
 109                 N_secret_levels = 1;
 110
 111                 Last_level = 15;
 112                 Last_secret_level = -1;
 113
 114                 //build level names
 115                 for (i=0; i < Last_level - 1; i++)
 116                         sprintf(Level_names[i], "level%02d.rdl", i+1);
 117                 sprintf(Level_names[i], "saturn%02d.rdl", i+1);
 118                 for (i=0; i < -Last_secret_level; i++)
 119                         sprintf(Secret_level_names[i], "levels%1d.rdl", i+1);
 120
 121                 Secret_level_table[0] = 10;
 122
 123                 break;
 124         default:
 125                 Int3(); // fall through
 126         case D1_MISSION_HOGSIZE:
 127         case D1_10_MISSION_HOGSIZE:
 128         case D1_MAC_MISSION_HOGSIZE:
 129                 N_secret_levels = 3;
 130
 131                 Last_level = BIM_LAST_LEVEL;
 132                 Last_secret_level = BIM_LAST_SECRET_LEVEL;
 133
 134                 //build level names
 135                 for (i=0;i<Last_level;i++)
 136                         sprintf(Level_names[i], "level%02d.rdl", i+1);
 137                 for (i=0;i<-Last_secret_level;i++)
 138                         sprintf(Secret_level_names[i], "levels%1d.rdl", i+1);
 139
 140                 Secret_level_table[0] = 10;
 141                 Secret_level_table[1] = 21;
 142                 Secret_level_table[2] = 24;
 143
 144                 break;
 145         }
 146         strcpy(Briefing_text_filename,BIM_BRIEFING_FILE);
 147         strcpy(Ending_text_filename,BIM_ENDING_FILE);
 148
 149         return 1;
 150 }
 151
 152
 153 //
 154 //  Special versions of mission routines for shareware
 155 //
 156
 157 int load_mission_shareware(void)
 158 {
 159     strcpy(Current_mission->mission_name, SHAREWARE_MISSION_NAME);
 160     Current_mission->descent_version = 2;
 161     Current_mission->anarchy_only_flag = 0;
 162
 163     switch (Current_mission->builtin_hogsize) {
 164         case MAC_SHARE_MISSION_HOGSIZE:
 165                 N_secret_levels = 1;
 166
 167                 Last_level = 4;
 168                 Last_secret_level = -1;
 169
 170                 // mac demo is using the regular hog and rl2 files
 171                 strcpy(Level_names[0],"d2leva-1.rl2");
 172                 strcpy(Level_names[1],"d2leva-2.rl2");
 173                 strcpy(Level_names[2],"d2leva-3.rl2");
 174                 strcpy(Level_names[3],"d2leva-4.rl2");
 175                 strcpy(Secret_level_names[0],"d2leva-s.rl2");
 176                 break;
 177         default:
 178                 Int3(); // fall through
 179         case SHAREWARE_MISSION_HOGSIZE:
 180                 N_secret_levels = 0;
 181
 182                 Last_level = 3;
 183                 Last_secret_level = 0;
 184
 185                 strcpy(Level_names[0],"d2leva-1.sl2");
 186                 strcpy(Level_names[1],"d2leva-2.sl2");
 187                 strcpy(Level_names[2],"d2leva-3.sl2");
 188         }
 189
 190         return 1;
 191 }
 192
 193
 194 //
 195 //  Special versions of mission routines for Diamond/S3 version
 196 //
 197
 198 int load_mission_oem(void)
 199 {
 200     strcpy(Current_mission->mission_name, OEM_MISSION_NAME);
 201     Current_mission->descent_version = 2;
 202     Current_mission->anarchy_only_flag = 0;
 203
 204         N_secret_levels = 2;
 205
 206         Last_level = 8;
 207         Last_secret_level = -2;
 208
 209         strcpy(Level_names[0],"d2leva-1.rl2");
 210         strcpy(Level_names[1],"d2leva-2.rl2");
 211         strcpy(Level_names[2],"d2leva-3.rl2");
 212         strcpy(Level_names[3],"d2leva-4.rl2");
 213
 214         strcpy(Secret_level_names[0],"d2leva-s.rl2");
 215
 216         strcpy(Level_names[4],"d2levb-1.rl2");
 217         strcpy(Level_names[5],"d2levb-2.rl2");
 218         strcpy(Level_names[6],"d2levb-3.rl2");
 219         strcpy(Level_names[7],"d2levb-4.rl2");
 220
 221         strcpy(Secret_level_names[1],"d2levb-s.rl2");
 222
 223         Secret_level_table[0] = 1;
 224         Secret_level_table[1] = 5;
 225
 226         return 1;
 227 }
 228
 229
 230 //compare a string for a token. returns true if match
 231 int istok(char *buf,char *tok)
 232 {
 233         return strnicmp(buf,tok,strlen(tok)) == 0;
 234
 235 }
 236
 237 //adds a terminating 0 after a string at the first white space
 238 void add_term(char *s)
 239 {
 240         while (*s && !isspace(*s)) s++;
 241
 242         *s = 0;         //terminate!
 243 }
 244
 245 //returns ptr to string after '=' & white space, or NULL if no '='
 246 //adds 0 after parm at first white space
 247 char *get_value(char *buf)
 248 {
 249         char *t;
 250
 251         t = strchr(buf,'=')+1;
 252
 253         if (t) {
 254                 while (*t && isspace(*t)) t++;
 255
 256                 if (*t)
 257                         return t;
 258         }
 259
 260         return NULL;            //error!
 261 }
 262
 263 //reads a line, returns ptr to value of passed parm.  returns NULL if none
 264 char *get_parm_value(char *parm,CFILE *f)
 265 {
 266         static char buf[80];
 267
 268         if (!cfgets(buf,80,f))
 269                 return NULL;
 270
 271         if (istok(buf,parm))
 272                 return get_value(buf);
 273         else
 274                 return NULL;
 275 }
 276
 277 int ml_sort_func(mle *e0,mle *e1)
 278 {
 279         return stricmp(e0->mission_name,e1->mission_name);
 280
 281 }
 282
 283 extern char CDROM_dir[];
 284
 285 //returns 1 if file read ok, else 0
 286 int read_mission_file(char *filename,int count,int location)
 287 {
 288         char filename2[100];
 289         CFILE *mfile;
 290
 291         //printf("reading: %s\n", filename);
 292
 293         switch (location) {
 294                 case ML_MISSIONDIR:
 295                         strcpy(filename2,MISSION_DIR);
 296                         break;
 297
 298                 case ML_CDROM:
 299                         songs_stop_redbook();           //so we can read from the CD
 300                         strcpy(filename2,CDROM_dir);
 301                         break;
 302
 303                 default:
 304                         Int3();         //fall through
 305
 306                 case ML_CURDIR:
 307                         strcpy(filename2,"");
 308                         break;
 309         }
 310         strcat(filename2,filename);
 311
 312         mfile = cfopen(filename2,"rb");
 313
 314         if (mfile) {
 315                 char *p;
 316                 char temp[FILENAME_LEN],*t;
 317
 318                 strcpy(temp,filename);
 319                 if ((t = strchr(temp,'.')) == NULL)
 320                         return 0;       //missing extension
 321                 // look if it's .mn2 or .msn
 322                 Mission_list[count].descent_version = (t[3] == '2') ? 2 : 1;
 323                 *t = 0;                 //kill extension
 324
 325                 strncpy( Mission_list[count].filename, temp, 9 );
 326                 Mission_list[count].anarchy_only_flag = 0;
 327                 Mission_list[count].location = location;
 328
 329                 p = get_parm_value("name",mfile);
 330
 331                 if (!p) {               //try enhanced mission
 332                         cfseek(mfile,0,SEEK_SET);
 333                         p = get_parm_value("xname",mfile);
 334                 }
 335
 336                 if (!p) {       //try super-enhanced mission!
 337                         cfseek(mfile,0,SEEK_SET);
 338                         p = get_parm_value("zname",mfile);
 339                 }
 340
 341                 if (p) {
 342                         char *t;
 343                         if ((t=strchr(p,';'))!=NULL)
 344                                 *t=0;
 345                         t = p + strlen(p)-1;
 346                         while (isspace(*t)) t--;
 347                         strncpy(Mission_list[count].mission_name,p,MISSION_NAME_LEN);
 348                 }
 349                 else {
 350                         cfclose(mfile);
 351                         return 0;
 352                 }
 353
 354                 p = get_parm_value("type",mfile);
 355
 356                 //get mission type
 357                 if (p)
 358                         Mission_list[count].anarchy_only_flag = istok(p,"anarchy");
 359
 360                 cfclose(mfile);
 361
 362                 return 1;
 363         }
 364
 365         return 0;
 366 }
 367
 368 void add_d1_builtin_mission_to_list(int *count)
 369 {
 370     int size;
 371
 372         if (!cfexist("descent.hog"))
 373                 return;
 374
 375         size = cfile_size("descent.hog");
 376
 377         switch (size) {
 378         case D1_SHAREWARE_MISSION_HOGSIZE:
 379         case D1_SHAREWARE_10_MISSION_HOGSIZE:
 380         case D1_MAC_SHARE_MISSION_HOGSIZE:
 381                 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
 382                 strcpy(Mission_list[*count].mission_name, D1_SHAREWARE_MISSION_NAME);
 383                 Mission_list[*count].anarchy_only_flag = 0;
 384                 break;
 385         case D1_OEM_MISSION_HOGSIZE:
 386         case D1_OEM_10_MISSION_HOGSIZE:
 387                 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
 388                 strcpy(Mission_list[*count].mission_name, D1_OEM_MISSION_NAME);
 389                 Mission_list[*count].anarchy_only_flag = 0;
 390                 break;
 391         default:
 392                 Warning("Unknown D1 hogsize %d\n", size);
 393                 Int3();
 394                 // fall through
 395         case D1_MISSION_HOGSIZE:
 396         case D1_10_MISSION_HOGSIZE:
 397         case D1_MAC_MISSION_HOGSIZE:
 398                 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
 399                 strcpy(Mission_list[*count].mission_name, D1_MISSION_NAME);
 400                 Mission_list[*count].anarchy_only_flag = 0;
 401                 break;
 402         }
 403
 404         Mission_list[*count].builtin_hogsize = 0;
 405         Mission_list[*count].descent_version = 1;
 406         Mission_list[*count].anarchy_only_flag = 0;
 407         ++(*count);
 408 }
 409
 410
 411 void add_builtin_mission_to_list(int *count, char *name)
 412 {
 413     int size = cfile_size("descent2.hog");
 414
 415         if (size == -1)
 416                 size = cfile_size("d2demo.hog");
 417
 418         switch (size) {
 419         case SHAREWARE_MISSION_HOGSIZE:
 420         case MAC_SHARE_MISSION_HOGSIZE:
 421                 strcpy(Mission_list[*count].filename,SHAREWARE_MISSION_FILENAME);
 422                 strcpy(Mission_list[*count].mission_name,SHAREWARE_MISSION_NAME);
 423                 Mission_list[*count].anarchy_only_flag = 0;
 424                 break;
 425         case OEM_MISSION_HOGSIZE:
 426                 strcpy(Mission_list[*count].filename,OEM_MISSION_FILENAME);
 427                 strcpy(Mission_list[*count].mission_name,OEM_MISSION_NAME);
 428                 Mission_list[*count].anarchy_only_flag = 0;
 429                 break;
 430         default:
 431                 Warning("Unknown hogsize %d, trying %s\n", size, FULL_MISSION_FILENAME ".mn2");
 432                 Int3(); //fall through
 433         case FULL_MISSION_HOGSIZE:
 434         case FULL_10_MISSION_HOGSIZE:
 435         case MAC_FULL_MISSION_HOGSIZE:
 436                 if (!read_mission_file(FULL_MISSION_FILENAME ".mn2", 0, ML_CURDIR))
 437                         Error("Could not find required mission file <%s>", FULL_MISSION_FILENAME ".mn2");
 438         }
 439
 440         strcpy(name, Mission_list[*count].filename);
 441     Mission_list[*count].builtin_hogsize = size;
 442         Mission_list[*count].descent_version = 2;
 443         Mission_list[*count].anarchy_only_flag = 0;
 444         ++(*count);
 445 }
 446
 447
 448 void add_missions_to_list(int *count, int anarchy_mode)
 449 {
 450         char **find, **i, *ext;
 451
 452         find = PHYSFS_enumerateFiles(MISSION_DIR);
 453
 454         for (i = find; *i != NULL; i++)
 455         {
 456                 ext = strrchr(*i, '.');
 457                 if (ext && (!strnicmp(ext, ".msn", 4) || !strnicmp(ext, ".mn2", 4)))
 458                         if (read_mission_file(*i, *count, ML_MISSIONDIR))
 459                                 if (anarchy_mode || !Mission_list[*count].anarchy_only_flag) {
 460                                         ++(*count);
 461                                         Mission_list[*count].builtin_hogsize = 0;
 462                                 }
 463                 if (*count >= MAX_MISSIONS)
 464                 {
 465                         mprintf((0, "Warning: more missions than d2x can handle\n"));
 466                         break;
 467                 }
 468         }
 469
 470         PHYSFS_freeList(find);
 471 }
 472
 473 /* move <mission_name> to <place> on mission list, increment <place> */
 474 void promote (char * mission_name, int * top_place, int num_missions)
 475 {
 476         int i;
 477         char name[FILENAME_LEN], * t;
 478         strcpy(name, mission_name);
 479         if ((t = strchr(name,'.')) != NULL)
 480                 *t = 0; //kill extension
 481         //printf("promoting: %s\n", name);
 482         for (i = *top_place; i < num_missions; i++)
 483                 if (!stricmp(Mission_list[i].filename, name)) {
 484                         //swap mission positions
 485                         mle temp;
 486
 487                         temp = Mission_list[*top_place];
 488                         Mission_list[*top_place] = Mission_list[i];
 489                         Mission_list[i] = temp;
 490                         ++(*top_place);
 491                         break;
 492                 }
 493 }
 494
 495 void free_mission(void)
 496 {
 497     // May become more complex with the editor
 498     if (Current_mission) {
 499         d_free(Current_mission);
 500     }
 501 }
 502
 503
 504
 505 //fills in the global list of missions.  Returns the number of missions
 506 //in the list.  If anarchy_mode is set, then also add anarchy-only missions.
 507
 508 extern char CDROM_dir[];
 509 #if 0
 510 extern char AltHogDir[];
 511 extern char AltHogdir_initialized;
 512 #endif
 513
 514 int build_mission_list(int anarchy_mode)
 515 {
 516         static int num_missions=-1;
 517         int count = 0;
 518         int top_place;
 519     char        builtin_mission_filename[FILENAME_LEN];
 520
 521         //now search for levels on disk
 522
 523 //@@Took out this code because after this routine was called once for
 524 //@@a list of single-player missions, a subsequent call for a list of
 525 //@@anarchy missions would not scan again, and thus would not find the
 526 //@@anarchy-only missions.  If we retain the minimum level of install,
 527 //@@we may want to put the code back in, having it always scan for all
 528 //@@missions, and have the code that uses it sort out the ones it wants.
 529 //@@    if (num_missions != -1) {
 530 //@@            if (Current_mission_num != 0)
 531 //@@                    load_mission(0);                                //set built-in mission as default
 532 //@@            return num_missions;
 533 //@@    }
 534
 535         add_builtin_mission_to_list(&count, builtin_mission_filename);  //read built-in first
 536         add_d1_builtin_mission_to_list(&count);
 537         add_missions_to_list(&count, anarchy_mode);
 538
 539         // move original missions (in story-chronological order)
 540         // to top of mission list
 541         top_place = 0;
 542         promote("descent", &top_place, count); // original descent 1 mission
 543         promote(builtin_mission_filename, &top_place, count); // d2 or d2demo
 544         promote("d2x", &top_place, count); // vertigo
 545
 546         if (count > top_place)
 547                 qsort(&Mission_list[top_place],
 548                       count - top_place,
 549                       sizeof(*Mission_list),
 550                                 (int (*)( const void *, const void * ))ml_sort_func);
 551
 552
 553         if (count > top_place)
 554                 qsort(&Mission_list[top_place],
 555                       count - top_place,
 556                       sizeof(*Mission_list),
 557                       (int (*)( const void *, const void * ))ml_sort_func);
 558
 559         //load_mission(0);   //set built-in mission as default
 560
 561         num_missions = count;
 562
 563     atexit(free_mission);
 564
 565         return count;
 566 }
 567
 568 void init_extra_robot_movie(char *filename);
 569
 570 //values for built-in mission
 571
 572 //loads the specfied mission from the mission list.
 573 //build_mission_list() must have been called.
 574 //Returns true if mission loaded ok, else false.
 575 int load_mission(int mission_num)
 576 {
 577         CFILE *mfile;
 578         char buf[80], *v;
 579     int found_hogfile;
 580
 581     if (Current_mission)
 582         free_mission();
 583     Current_mission = d_malloc(sizeof(Mission));
 584     if (!Current_mission) return 0;
 585     *(mle *) Current_mission = Mission_list[mission_num];
 586
 587     // for Descent 1 missions, load descent.hog
 588     if (EMULATING_D1) {
 589         if (!cfile_init("descent.hog"))
 590             Warning("descent.hog not available, this mission may be missing some files required for briefings and exit sequence\n");
 591         if (!stricmp(Current_mission_filename, D1_MISSION_FILENAME))
 592             return load_mission_d1();
 593     }
 594
 595     if (PLAYING_BUILTIN_MISSION) {
 596                 switch (Current_mission->builtin_hogsize) {
 597                 case SHAREWARE_MISSION_HOGSIZE:
 598                 case MAC_SHARE_MISSION_HOGSIZE:
 599                         return load_mission_shareware();
 600                         break;
 601                 case OEM_MISSION_HOGSIZE:
 602                         return load_mission_oem();
 603                         break;
 604                 default:
 605                         Int3(); // fall through
 606                 case FULL_MISSION_HOGSIZE:
 607                 case FULL_10_MISSION_HOGSIZE:
 608                 case MAC_FULL_MISSION_HOGSIZE:
 609                         // continue on... (use d2.mn2 from hogfile)
 610                         break;
 611                 }
 612     }
 613
 614         mprintf(( 0, "Loading mission %s\n", Current_mission_filename ));
 615
 616         //read mission from file
 617
 618         switch (Mission_list[mission_num].location) {
 619         case ML_MISSIONDIR:
 620                 strcpy(buf,MISSION_DIR);
 621                 break;
 622         case ML_CDROM:
 623                 strcpy(buf,CDROM_dir);
 624                 break;
 625         default:
 626                 Int3();                                                 //fall through
 627         case ML_CURDIR:
 628                 strcpy(buf,"");
 629                 break;
 630         }
 631         strcat(buf,Mission_list[mission_num].filename);
 632         if (Mission_list[mission_num].descent_version == 2)
 633                 strcat(buf,".mn2");
 634         else
 635                 strcat(buf,".msn");
 636
 637         PHYSFSEXT_locateCorrectCase(buf);
 638
 639         mfile = cfopen(buf,"rb");
 640         if (mfile == NULL) {
 641         free_mission();
 642                 return 0;               //error!
 643         }
 644
 645     //for non-builtin missions, load HOG
 646     if (!PLAYING_BUILTIN_MISSION) {
 647
 648         strcpy(buf+strlen(buf)-4,".hog");               //change extension
 649
 650                 PHYSFSEXT_locateCorrectCase(buf);
 651
 652                 found_hogfile = cfile_init(buf);
 653
 654 #ifdef RELEASE                          //for release, require mission to be in hogfile
 655         if (! found_hogfile) {
 656             cfclose(mfile);
 657             free_mission();
 658             return 0;
 659         }
 660 #endif
 661     }
 662
 663     //init vars
 664         Last_level = 0;
 665         Last_secret_level = 0;
 666         Briefing_text_filename[0] = 0;
 667         Ending_text_filename[0] = 0;
 668
 669         while (cfgets(buf,80,mfile)) {
 670
 671                 if (istok(buf,"name")) {
 672                         Current_mission->enhanced = 0;
 673                         continue;                                               //already have name, go to next line
 674                 }
 675                 if (istok(buf,"xname")) {
 676                         Current_mission->enhanced = 1;
 677                         continue;                                               //already have name, go to next line
 678                 }
 679                 if (istok(buf,"zname")) {
 680                         Current_mission->enhanced = 2;
 681                         continue;                                               //already have name, go to next line
 682                 }
 683                 else if (istok(buf,"type"))
 684                         continue;                                               //already have name, go to next line
 685                 else if (istok(buf,"hog")) {
 686                         char    *bufp = buf;
 687
 688                         while (*(bufp++) != '=')
 689                                 ;
 690
 691                         if (*bufp == ' ')
 692                                 while (*(++bufp) == ' ')
 693                                         ;
 694
 695                         cfile_init(bufp);
 696                         mprintf((0, "Hog file override = [%s]\n", bufp));
 697                 }
 698                 else if (istok(buf,"briefing")) {
 699                         if ((v = get_value(buf)) != NULL) {
 700                                 add_term(v);
 701                                 if (strlen(v) < 13)
 702                                         strcpy(Briefing_text_filename,v);
 703                         }
 704                 }
 705                 else if (istok(buf,"ending")) {
 706                         if ((v = get_value(buf)) != NULL) {
 707                                 add_term(v);
 708                                 if (strlen(v) < 13)
 709                                         strcpy(Ending_text_filename,v);
 710                         }
 711                 }
 712                 else if (istok(buf,"num_levels")) {
 713
 714                         if ((v=get_value(buf))!=NULL) {
 715                                 int n_levels,i;
 716
 717                                 n_levels = atoi(v);
 718
 719                                 for (i=0;i<n_levels && cfgets(buf,80,mfile);i++) {
 720
 721                                         add_term(buf);
 722                                         if (strlen(buf) <= 12) {
 723                                                 strcpy(Level_names[i],buf);
 724                                                 Last_level++;
 725                                         }
 726                                         else
 727                                                 break;
 728                                 }
 729
 730                         }
 731                 }
 732                 else if (istok(buf,"num_secrets")) {
 733                         if ((v=get_value(buf))!=NULL) {
 734                                 int i;
 735
 736                                 N_secret_levels = atoi(v);
 737
 738                                 Assert(N_secret_levels <= MAX_SECRET_LEVELS_PER_MISSION);
 739
 740                                 for (i=0;i<N_secret_levels && cfgets(buf,80,mfile);i++) {
 741                                         char *t;
 742
 743
 744                                         if ((t=strchr(buf,','))!=NULL) *t++=0;
 745                                         else
 746                                                 break;
 747
 748                                         add_term(buf);
 749                                         if (strlen(buf) <= 12) {
 750                                                 strcpy(Secret_level_names[i],buf);
 751                                                 Secret_level_table[i] = atoi(t);
 752                                                 if (Secret_level_table[i]<1 || Secret_level_table[i]>Last_level)
 753                                                         break;
 754                                                 Last_secret_level--;
 755                                         }
 756                                         else
 757                                                 break;
 758                                 }
 759
 760                         }
 761                 }
 762
 763         }
 764
 765         cfclose(mfile);
 766
 767         if (Last_level <= 0) {
 768                 free_mission();         //no valid mission loaded
 769                 return 0;
 770         }
 771
 772         if (Current_mission->enhanced) {
 773                 char t[50];
 774                 extern void bm_read_extra_robots();
 775                 sprintf(t,"%s.ham",Current_mission_filename);
 776                 bm_read_extra_robots(t, Current_mission->enhanced);
 777                 strncpy(t,Current_mission_filename,6);
 778                 init_extra_robot_movie(t);
 779         }
 780
 781         return 1;
 782 }
 783
 784 //loads the named mission if exists.
 785 //Returns true if mission loaded ok, else false.
 786 int load_mission_by_name(char *mission_name)
 787 {
 788         int n,i;
 789
 790         n = build_mission_list(1);
 791
 792         for (i=0;i<n;i++)
 793                 if (!stricmp(mission_name,Mission_list[i].filename))
 794                         return load_mission(i);
 795
 796         return 0;               //couldn't find mission
 797 }
 798
 799 int select_mission(int anarchy_mode, char *message)
 800 {
 801     int n_missions;
 802
 803     n_missions = build_mission_list(anarchy_mode);
 804
 805     if (n_missions <= 1) {
 806         load_mission(0);
 807     } else {
 808         int new_mission_num,i, default_mission;
 809         char * m[MAX_MISSIONS];
 810
 811         default_mission = 0;
 812         for (i=0;i<n_missions;i++) {
 813             m[i] = Mission_list[i].mission_name;
 814             if ( !stricmp( m[i], config_last_mission ) )
 815                 default_mission = i;
 816         }
 817
 818         new_mission_num = newmenu_listbox1( message, n_missions, m, 1, default_mission, NULL );
 819
 820         if (new_mission_num == -1)
 821             return 0;         //abort!
 822
 823         strcpy(config_last_mission, m[new_mission_num]  );
 824
 825         if (!load_mission(new_mission_num)) {
 826             nm_messagebox( NULL, 1, TXT_OK, TXT_MISSION_ERROR);
 827             return 0;
 828         }
 829     }
 830
 831     return 1;
 832 }