1 /* $Id: mission.c,v 1.28 2004-10-23 19:15:46 schaffner Exp $ */
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
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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.
17 * Code to handle multiple missions
47 mle Mission_list[MAX_MISSIONS];
49 int Current_mission_num;
50 int N_secret_levels; // Made a global by MK for scoring purposes. August 1, 1995.
51 char *Current_mission_filename,*Current_mission_longname;
53 int Builtin_mission_num;
54 char Builtin_mission_filename[9];
55 int Builtin_mission_hogsize;
57 int D1_Builtin_mission_num;
58 char D1_Builtin_mission_filename[9];
59 int D1_Builtin_mission_hogsize;
61 //this stuff should get defined elsewhere
63 char Level_names[MAX_LEVELS_PER_MISSION][FILENAME_LEN];
64 char Secret_level_names[MAX_SECRET_LEVELS_PER_MISSION][FILENAME_LEN];
66 //values for d1 built-in mission
67 #define BIM_LAST_LEVEL 27
68 #define BIM_LAST_SECRET_LEVEL -3
69 #define BIM_BRIEFING_FILE "briefing.tex"
70 #define BIM_ENDING_FILE "endreg.tex"
73 // Special versions of mission routines for d1 builtins
76 int load_mission_d1(int mission_num)
80 cfile_use_descent1_hogfile("descent.hog");
82 Current_mission_num = mission_num;
83 Current_mission_filename = Mission_list[mission_num].filename;
84 Current_mission_longname = Mission_list[mission_num].mission_name;
86 switch (D1_Builtin_mission_hogsize) {
87 case D1_SHAREWARE_MISSION_HOGSIZE:
88 case D1_SHAREWARE_10_MISSION_HOGSIZE:
92 Last_secret_level = 0;
95 for (i=0;i<Last_level;i++)
96 sprintf(Level_names[i], "level%02d.sdl", i+1);
99 case D1_MAC_SHARE_MISSION_HOGSIZE:
103 Last_secret_level = 0;
106 for (i=0;i<Last_level;i++)
107 sprintf(Level_names[i], "level%02d.sdl", i+1);
110 case D1_OEM_MISSION_HOGSIZE:
111 case D1_OEM_10_MISSION_HOGSIZE:
115 Last_secret_level = -1;
118 for (i=0; i < Last_level - 1; i++)
119 sprintf(Level_names[i], "level%02d.rdl", i+1);
120 sprintf(Level_names[i], "saturn%02d.rdl", i+1);
121 for (i=0; i < -Last_secret_level; i++)
122 sprintf(Secret_level_names[i], "levels%1d.rdl", i+1);
124 Secret_level_table[0] = 10;
128 Int3(); // fall through
129 case D1_MISSION_HOGSIZE:
130 case D1_10_MISSION_HOGSIZE:
131 case D1_MAC_MISSION_HOGSIZE:
134 Last_level = BIM_LAST_LEVEL;
135 Last_secret_level = BIM_LAST_SECRET_LEVEL;
138 for (i=0;i<Last_level;i++)
139 sprintf(Level_names[i], "level%02d.rdl", i+1);
140 for (i=0;i<-Last_secret_level;i++)
141 sprintf(Secret_level_names[i], "levels%1d.rdl", i+1);
143 Secret_level_table[0] = 10;
144 Secret_level_table[1] = 21;
145 Secret_level_table[2] = 24;
149 strcpy(Briefing_text_filename,BIM_BRIEFING_FILE);
150 strcpy(Ending_text_filename,BIM_ENDING_FILE);
157 // Special versions of mission routines for shareware
160 int load_mission_shareware(int mission_num)
162 Current_mission_num = mission_num;
163 Current_mission_filename = Mission_list[mission_num].filename;
164 Current_mission_longname = Mission_list[mission_num].mission_name;
166 switch (Builtin_mission_hogsize) {
167 case MAC_SHARE_MISSION_HOGSIZE:
171 Last_secret_level = -1;
173 // mac demo is using the regular hog and rl2 files
174 strcpy(Level_names[0],"d2leva-1.rl2");
175 strcpy(Level_names[1],"d2leva-2.rl2");
176 strcpy(Level_names[2],"d2leva-3.rl2");
177 strcpy(Level_names[3],"d2leva-4.rl2");
178 strcpy(Secret_level_names[0],"d2leva-s.rl2");
181 Int3(); // fall through
182 case SHAREWARE_MISSION_HOGSIZE:
186 Last_secret_level = 0;
188 strcpy(Level_names[0],"d2leva-1.sl2");
189 strcpy(Level_names[1],"d2leva-2.sl2");
190 strcpy(Level_names[2],"d2leva-3.sl2");
198 // Special versions of mission routines for Diamond/S3 version
201 int load_mission_oem(int mission_num)
203 Current_mission_num = mission_num;
204 Current_mission_filename = Mission_list[mission_num].filename;
205 Current_mission_longname = Mission_list[mission_num].mission_name;
210 Last_secret_level = -2;
212 strcpy(Level_names[0],"d2leva-1.rl2");
213 strcpy(Level_names[1],"d2leva-2.rl2");
214 strcpy(Level_names[2],"d2leva-3.rl2");
215 strcpy(Level_names[3],"d2leva-4.rl2");
217 strcpy(Secret_level_names[0],"d2leva-s.rl2");
219 strcpy(Level_names[4],"d2levb-1.rl2");
220 strcpy(Level_names[5],"d2levb-2.rl2");
221 strcpy(Level_names[6],"d2levb-3.rl2");
222 strcpy(Level_names[7],"d2levb-4.rl2");
224 strcpy(Secret_level_names[1],"d2levb-s.rl2");
226 Secret_level_table[0] = 1;
227 Secret_level_table[1] = 5;
233 //compare a string for a token. returns true if match
234 int istok(char *buf,char *tok)
236 return strnicmp(buf,tok,strlen(tok)) == 0;
240 //adds a terminating 0 after a string at the first white space
241 void add_term(char *s)
243 while (*s && !isspace(*s)) s++;
248 //returns ptr to string after '=' & white space, or NULL if no '='
249 //adds 0 after parm at first white space
250 char *get_value(char *buf)
254 t = strchr(buf,'=')+1;
257 while (*t && isspace(*t)) t++;
263 return NULL; //error!
266 //reads a line, returns ptr to value of passed parm. returns NULL if none
267 char *get_parm_value(char *parm,CFILE *f)
271 if (!cfgets(buf,80,f))
275 return get_value(buf);
280 int ml_sort_func(mle *e0,mle *e1)
282 return stricmp(e0->mission_name,e1->mission_name);
286 extern char CDROM_dir[];
288 //returns 1 if file read ok, else 0
289 int read_mission_file(char *filename,int count,int location)
294 //printf("reading: %s\n", filename);
298 strcpy(filename2,MISSION_DIR);
302 songs_stop_redbook(); //so we can read from the CD
303 strcpy(filename2,CDROM_dir);
307 Int3(); //fall through
310 strcpy(filename2,"");
313 strcat(filename2,filename);
315 mfile = cfopen(filename2,"rb");
319 char temp[FILENAME_LEN],*t;
321 strcpy(temp,filename);
322 if ((t = strchr(temp,'.')) == NULL)
323 return 0; //missing extension
324 // look if it's .mn2 or .msn
325 Mission_list[count].descent_version = (t[3] == '2') ? 2 : 1;
326 *t = 0; //kill extension
328 strncpy( Mission_list[count].filename, temp, 9 );
329 Mission_list[count].anarchy_only_flag = 0;
330 Mission_list[count].location = location;
332 p = get_parm_value("name",mfile);
334 if (!p) { //try enhanced mission
335 cfseek(mfile,0,SEEK_SET);
336 p = get_parm_value("xname",mfile);
339 if (!p) { //try super-enhanced mission!
340 cfseek(mfile,0,SEEK_SET);
341 p = get_parm_value("zname",mfile);
346 if ((t=strchr(p,';'))!=NULL)
349 while (isspace(*t)) t--;
350 strncpy(Mission_list[count].mission_name,p,MISSION_NAME_LEN);
357 p = get_parm_value("type",mfile);
361 Mission_list[count].anarchy_only_flag = istok(p,"anarchy");
371 void add_d1_builtin_mission_to_list(int *count)
373 if (!cfexist("descent.hog"))
376 D1_Builtin_mission_hogsize = cfile_size("descent.hog");
378 switch (D1_Builtin_mission_hogsize) {
379 case D1_SHAREWARE_MISSION_HOGSIZE:
380 case D1_SHAREWARE_10_MISSION_HOGSIZE:
381 case D1_MAC_SHARE_MISSION_HOGSIZE:
382 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
383 strcpy(Mission_list[*count].mission_name, D1_SHAREWARE_MISSION_NAME);
384 Mission_list[*count].anarchy_only_flag = 0;
386 case D1_OEM_MISSION_HOGSIZE:
387 case D1_OEM_10_MISSION_HOGSIZE:
388 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
389 strcpy(Mission_list[*count].mission_name, D1_OEM_MISSION_NAME);
390 Mission_list[*count].anarchy_only_flag = 0;
393 Warning("Unknown D1 hogsize %d\n", D1_Builtin_mission_hogsize);
396 case D1_MISSION_HOGSIZE:
397 case D1_10_MISSION_HOGSIZE:
398 case D1_MAC_MISSION_HOGSIZE:
399 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
400 strcpy(Mission_list[*count].mission_name, D1_MISSION_NAME);
401 Mission_list[*count].anarchy_only_flag = 0;
405 strcpy(D1_Builtin_mission_filename, Mission_list[*count].filename);
406 Mission_list[*count].descent_version = 1;
407 Mission_list[*count].anarchy_only_flag = 0;
412 void add_builtin_mission_to_list(int *count)
414 Builtin_mission_hogsize = cfile_size("descent2.hog");
415 if (Builtin_mission_hogsize == -1)
416 Builtin_mission_hogsize = cfile_size("d2demo.hog");
418 switch (Builtin_mission_hogsize) {
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;
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;
431 Warning("Unknown hogsize %d, trying %s\n", Builtin_mission_hogsize, 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");
440 strcpy(Builtin_mission_filename, Mission_list[*count].filename);
441 Mission_list[*count].descent_version = 2;
442 Mission_list[*count].anarchy_only_flag = 0;
447 void add_missions_to_list(char *search_name, int *count, int anarchy_mode)
450 if( !FileFindFirst( search_name, &find ) ) {
452 if (read_mission_file( find.name, *count, ML_MISSIONDIR )) {
454 if (anarchy_mode || !Mission_list[*count].anarchy_only_flag)
458 } while( !FileFindNext( &find ) && *count < MAX_MISSIONS);
460 if (*count >= MAX_MISSIONS)
461 mprintf((0, "Warning: more missions than d2x can handle\n"));
465 /* move <mission_name> to <place> on mission list, increment <place> */
466 void promote (char * mission_name, int * top_place, int num_missions)
469 char name[FILENAME_LEN], * t;
470 strcpy(name, mission_name);
471 if ((t = strchr(name,'.')) != NULL)
472 *t = 0; //kill extension
473 //printf("promoting: %s\n", name);
474 for (i = *top_place; i < num_missions; i++)
475 if (!stricmp(Mission_list[i].filename, name)) {
476 //swap mission positions
479 temp = Mission_list[*top_place];
480 Mission_list[*top_place] = Mission_list[i];
481 Mission_list[i] = temp;
489 //fills in the global list of missions. Returns the number of missions
490 //in the list. If anarchy_mode is set, then also add anarchy-only missions.
492 extern char CDROM_dir[];
493 extern char AltHogDir[];
494 extern char AltHogdir_initialized;
496 int build_mission_list(int anarchy_mode)
498 static int num_missions=-1;
502 //now search for levels on disk
504 //@@Took out this code because after this routine was called once for
505 //@@a list of single-player missions, a subsequent call for a list of
506 //@@anarchy missions would not scan again, and thus would not find the
507 //@@anarchy-only missions. If we retain the minimum level of install,
508 //@@we may want to put the code back in, having it always scan for all
509 //@@missions, and have the code that uses it sort out the ones it wants.
510 //@@ if (num_missions != -1) {
511 //@@ if (Current_mission_num != 0)
512 //@@ load_mission(0); //set built-in mission as default
513 //@@ return num_missions;
516 add_builtin_mission_to_list(&count); //read built-in first
517 add_d1_builtin_mission_to_list(&count);
518 add_missions_to_list(MISSION_DIR "*.mn2", &count, anarchy_mode);
519 add_missions_to_list(MISSION_DIR "*.msn", &count, anarchy_mode);
521 if (AltHogdir_initialized) {
522 char search_name[PATH_MAX + 5];
523 strcpy(search_name, AltHogDir);
524 strcat(search_name, "/" MISSION_DIR "*.mn2");
525 add_missions_to_list(search_name, &count, anarchy_mode);
526 strcpy(search_name, AltHogDir);
527 strcat(search_name, "/" MISSION_DIR "*.msn");
528 add_missions_to_list(search_name, &count, anarchy_mode);
531 // move original missions (in story-chronological order)
532 // to top of mission list
534 promote("descent", &top_place, count); // original descent 1 mission
535 D1_Builtin_mission_num = top_place - 1;
536 promote(Builtin_mission_filename, &top_place, count); // d2 or d2demo
537 Builtin_mission_num = top_place - 1;
538 promote("d2x", &top_place, count); // vertigo
540 if (count > top_place)
541 qsort(&Mission_list[top_place],
543 sizeof(*Mission_list),
544 (int (*)( const void *, const void * ))ml_sort_func);
547 if (count > top_place)
548 qsort(&Mission_list[top_place],
550 sizeof(*Mission_list),
551 (int (*)( const void *, const void * ))ml_sort_func);
553 //load_mission(0); //set built-in mission as default
555 num_missions = count;
560 void init_extra_robot_movie(char *filename);
562 //values for built-in mission
564 //loads the specfied mission from the mission list.
565 //build_mission_list() must have been called.
566 //Returns true if mission loaded ok, else false.
567 int load_mission(int mission_num)
572 int enhanced_mission = 0;
574 if (mission_num == D1_Builtin_mission_num) {
575 cfile_use_descent1_hogfile("descent.hog");
576 switch (D1_Builtin_mission_hogsize) {
578 Int3(); // fall through
579 case D1_MISSION_HOGSIZE:
580 case D1_10_MISSION_HOGSIZE:
581 case D1_MAC_MISSION_HOGSIZE:
582 case D1_OEM_MISSION_HOGSIZE:
583 case D1_OEM_10_MISSION_HOGSIZE:
584 case D1_SHAREWARE_MISSION_HOGSIZE:
585 case D1_SHAREWARE_10_MISSION_HOGSIZE:
586 case D1_MAC_SHARE_MISSION_HOGSIZE:
587 return load_mission_d1(mission_num);
592 if (mission_num == Builtin_mission_num) {
593 switch (Builtin_mission_hogsize) {
594 case SHAREWARE_MISSION_HOGSIZE:
595 case MAC_SHARE_MISSION_HOGSIZE:
596 return load_mission_shareware(mission_num);
598 case OEM_MISSION_HOGSIZE:
599 return load_mission_oem(mission_num);
602 Int3(); // fall through
603 case FULL_MISSION_HOGSIZE:
604 case FULL_10_MISSION_HOGSIZE:
605 case MAC_FULL_MISSION_HOGSIZE:
606 // continue on... (use d2.mn2 from hogfile)
611 Current_mission_num = mission_num;
613 mprintf(( 0, "Loading mission %d\n", mission_num ));
615 //read mission from file
617 switch (Mission_list[mission_num].location) {
619 strcpy(buf,MISSION_DIR);
622 strcpy(buf,CDROM_dir);
625 Int3(); //fall through
630 strcat(buf,Mission_list[mission_num].filename);
631 if (Mission_list[mission_num].descent_version == 2)
636 mfile = cfopen(buf,"rb");
638 Current_mission_num = -1;
642 //for non-builtin missions, load HOG
643 if (strcmp(Mission_list[mission_num].filename, Builtin_mission_filename)) {
645 strcpy(buf+strlen(buf)-4,".hog"); //change extension
647 found_hogfile = cfile_use_alternate_hogfile(buf);
649 #ifdef RELEASE //for release, require mission to be in hogfile
650 if (! found_hogfile) {
652 Current_mission_num = -1;
657 // for Descent 1 missions, load descent.hog
658 if (Mission_list[mission_num].descent_version == 1 && strcmp(buf, "descent.hog"))
659 if (!cfile_use_descent1_hogfile("descent.hog"))
660 Warning("descent.hog not available, this mission may be missing some files required for briefings and exit sequence\n");
665 Last_secret_level = 0;
666 Briefing_text_filename[0] = 0;
667 Ending_text_filename[0] = 0;
669 while (cfgets(buf,80,mfile)) {
671 if (istok(buf,"name"))
672 continue; //already have name, go to next line
673 if (istok(buf,"xname")) {
674 enhanced_mission = 1;
675 continue; //already have name, go to next line
677 if (istok(buf,"zname")) {
678 enhanced_mission = 2;
679 continue; //already have name, go to next line
681 else if (istok(buf,"type"))
682 continue; //already have name, go to next line
683 else if (istok(buf,"hog")) {
686 while (*(bufp++) != '=')
690 while (*(++bufp) == ' ')
693 cfile_use_alternate_hogfile(bufp);
694 mprintf((0, "Hog file override = [%s]\n", bufp));
696 else if (istok(buf,"briefing")) {
697 if ((v = get_value(buf)) != NULL) {
700 strcpy(Briefing_text_filename,v);
703 else if (istok(buf,"ending")) {
704 if ((v = get_value(buf)) != NULL) {
707 strcpy(Ending_text_filename,v);
710 else if (istok(buf,"num_levels")) {
712 if ((v=get_value(buf))!=NULL) {
717 for (i=0;i<n_levels && cfgets(buf,80,mfile);i++) {
720 if (strlen(buf) <= 12) {
721 strcpy(Level_names[i],buf);
730 else if (istok(buf,"num_secrets")) {
731 if ((v=get_value(buf))!=NULL) {
734 N_secret_levels = atoi(v);
736 Assert(N_secret_levels <= MAX_SECRET_LEVELS_PER_MISSION);
738 for (i=0;i<N_secret_levels && cfgets(buf,80,mfile);i++) {
742 if ((t=strchr(buf,','))!=NULL) *t++=0;
747 if (strlen(buf) <= 12) {
748 strcpy(Secret_level_names[i],buf);
749 Secret_level_table[i] = atoi(t);
750 if (Secret_level_table[i]<1 || Secret_level_table[i]>Last_level)
765 if (Last_level <= 0) {
766 Current_mission_num = -1; //no valid mission loaded
770 Current_mission_filename = Mission_list[Current_mission_num].filename;
771 Current_mission_longname = Mission_list[Current_mission_num].mission_name;
773 if (enhanced_mission) {
775 extern void bm_read_extra_robots();
776 sprintf(t,"%s.ham",Current_mission_filename);
777 bm_read_extra_robots(t,enhanced_mission);
778 strncpy(t,Current_mission_filename,6);
780 init_extra_robot_movie(t);
786 //loads the named mission if exists.
787 //Returns true if mission loaded ok, else false.
788 int load_mission_by_name(char *mission_name)
792 n = build_mission_list(1);
795 if (!stricmp(mission_name,Mission_list[i].filename))
796 return load_mission(i);
798 return 0; //couldn't find mission
801 int select_mission(int anarchy_mode, char *message)
805 n_missions = build_mission_list(anarchy_mode);
807 if (n_missions <= 1) {
810 int new_mission_num,i, default_mission;
811 char * m[MAX_MISSIONS];
814 for (i=0;i<n_missions;i++) {
815 m[i] = Mission_list[i].mission_name;
816 if ( !stricmp( m[i], config_last_mission ) )
820 new_mission_num = newmenu_listbox1( message, n_missions, m, 1, default_mission, NULL );
822 if (new_mission_num == -1)
825 strcpy(config_last_mission, m[new_mission_num] );
827 if (!load_mission(new_mission_num)) {
828 nm_messagebox( NULL, 1, TXT_OK, TXT_MISSION_ERROR);