1 /* $Id: mission.c,v 1.23 2003-10-12 09:38:48 btb 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
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.
17 * Code to handle multiple missions
20 * Revision 1.4 1995/10/31 10:21:40 allender
21 * no mission support in shareware
23 * Revision 1.3 1995/10/21 22:53:04 allender
24 * moved missions to data folder
26 * Revision 1.2 1995/09/13 08:47:29 allender
27 * made to work with Chris' direct stuff
29 * Revision 1.1 1995/05/16 15:27:48 allender
32 * Revision 2.9 1995/05/26 16:16:32 john
33 * Split SATURN into define's for requiring cd, using cd, etc.
34 * Also started adding all the Rockwell stuff.
36 * Revision 2.8 1995/03/20 15:49:31 mike
37 * Remove eof char from comment which confused make depend, causing
38 * no mission.obj: line in makefile. Pretty stupid tool, huh?
40 * Revision 2.7 1995/03/20 12:12:11 john
43 * Revision 2.6 1995/03/15 14:32:49 john
44 * Added code to force the Descent CD-rom in the drive.
46 * Revision 2.5 1995/03/15 11:41:15 john
47 * Better Saturn CD-ROM support.
49 * Revision 2.4 1995/03/14 18:24:14 john
50 * Force Destination Saturn to use CD-ROM drive.
52 * Revision 2.3 1995/03/07 14:19:41 mike
53 * More destination saturn stuff.
55 * Revision 2.2 1995/03/06 23:09:03 mike
56 * more saturn stuff: make briefings work for saturn mission.
58 * Revision 2.1 1995/03/06 16:47:48 mike
61 * Revision 2.0 1995/02/27 11:27:49 john
62 * New version 2.0, which has no anonymous unions, builds with
63 * Watcom 10.0, and doesn't require parsing BITMAPS.TBL.
65 * Revision 1.14 1995/02/15 11:30:37 john
66 * Fixed bug with potential mem overwrite on line 160.
68 * Revision 1.13 1995/02/10 17:53:20 matt
69 * Changed mission name again
71 * Revision 1.12 1995/02/10 17:35:38 matt
72 * Changed name of built-in mission
74 * Revision 1.11 1995/02/07 17:13:51 allender
75 * removed return statement in load_mission so that built in mission will
76 * actually set the Current_mission_name and _filename
78 * Revision 1.10 1995/01/31 01:19:45 matt
79 * Made build_mission_list() sort missions by name
81 * Revision 1.9 1995/01/30 13:49:58 allender
82 * changed build_mission_list in load_mission_by_name to include
85 * Revision 1.8 1995/01/30 13:03:51 matt
88 * Revision 1.7 1995/01/30 12:55:22 matt
89 * Added vars to point to mission names
91 * Revision 1.6 1995/01/22 18:57:28 matt
92 * Made player highest level work with missions
94 * Revision 1.5 1995/01/22 14:13:08 matt
95 * Added flag in mission list for anarchy-only missions
97 * Revision 1.4 1995/01/21 23:13:12 matt
98 * Made high scores with (not work, really) with loaded missions
99 * Don't give player high score when quit game
101 * Revision 1.3 1995/01/21 16:27:12 matt
102 * Made endlevel briefing work with missions
104 * Revision 1.2 1995/01/20 22:47:50 matt
105 * Mission system implemented, though imcompletely
107 * Revision 1.1 1995/01/20 13:42:19 matt
134 #include "findfile.h"
136 mle Mission_list[MAX_MISSIONS];
138 int Current_mission_num;
139 int N_secret_levels; // Made a global by MK for scoring purposes. August 1, 1995.
140 char *Current_mission_filename,*Current_mission_longname;
142 int Builtin_mission_num;
143 char Builtin_mission_filename[9];
144 int Builtin_mission_hogsize;
146 int D1_Builtin_mission_num;
147 char D1_Builtin_mission_filename[9];
148 int D1_Builtin_mission_hogsize;
150 //this stuff should get defined elsewhere
152 char Level_names[MAX_LEVELS_PER_MISSION][FILENAME_LEN];
153 char Secret_level_names[MAX_SECRET_LEVELS_PER_MISSION][FILENAME_LEN];
155 //values for d1 built-in mission
156 #define BIM_LAST_LEVEL 27
157 #define BIM_LAST_SECRET_LEVEL -3
158 #define BIM_BRIEFING_FILE "briefing.tex"
159 #define BIM_ENDING_FILE "endreg.tex"
162 // Special versions of mission routines for d1 builtins
165 int load_mission_d1(int mission_num)
169 cfile_use_descent1_hogfile("descent.hog");
171 Current_mission_num = mission_num;
172 Current_mission_filename = Mission_list[mission_num].filename;
173 Current_mission_longname = Mission_list[mission_num].mission_name;
175 switch (D1_Builtin_mission_hogsize) {
176 case D1_SHAREWARE_MISSION_HOGSIZE:
177 case D1_SHAREWARE_10_MISSION_HOGSIZE:
181 Last_secret_level = 0;
184 for (i=0;i<Last_level;i++)
185 sprintf(Level_names[i], "level%02d.sdl", i+1);
188 case D1_MAC_SHARE_MISSION_HOGSIZE:
192 Last_secret_level = 0;
195 for (i=0;i<Last_level;i++)
196 sprintf(Level_names[i], "level%02d.sdl", i+1);
199 case D1_OEM_MISSION_HOGSIZE:
203 Last_secret_level = -1;
206 for (i=0; i < Last_level - 1; i++)
207 sprintf(Level_names[i], "level%02d.rdl", i+1);
208 sprintf(Level_names[i], "saturn%02d.rdl", i+1);
209 for (i=0; i < -Last_secret_level; i++)
210 sprintf(Secret_level_names[i], "levels%1d.rdl", i+1);
212 Secret_level_table[0] = 10;
216 Int3(); // fall through
217 case D1_MISSION_HOGSIZE:
218 case D1_10_MISSION_HOGSIZE:
219 case D1_MAC_MISSION_HOGSIZE:
222 Last_level = BIM_LAST_LEVEL;
223 Last_secret_level = BIM_LAST_SECRET_LEVEL;
226 for (i=0;i<Last_level;i++)
227 sprintf(Level_names[i], "level%02d.rdl", i+1);
228 for (i=0;i<-Last_secret_level;i++)
229 sprintf(Secret_level_names[i], "levels%1d.rdl", i+1);
231 Secret_level_table[0] = 10;
232 Secret_level_table[1] = 21;
233 Secret_level_table[2] = 24;
237 strcpy(Briefing_text_filename,BIM_BRIEFING_FILE);
238 strcpy(Ending_text_filename,BIM_ENDING_FILE);
245 // Special versions of mission routines for shareware
248 int load_mission_shareware(int mission_num)
250 Current_mission_num = mission_num;
251 Current_mission_filename = Mission_list[mission_num].filename;
252 Current_mission_longname = Mission_list[mission_num].mission_name;
254 switch (Builtin_mission_hogsize) {
255 case MAC_SHARE_MISSION_HOGSIZE:
259 Last_secret_level = -1;
261 // mac demo is using the regular hog and rl2 files
262 strcpy(Level_names[0],"d2leva-1.rl2");
263 strcpy(Level_names[1],"d2leva-2.rl2");
264 strcpy(Level_names[2],"d2leva-3.rl2");
265 strcpy(Level_names[3],"d2leva-4.rl2");
266 strcpy(Secret_level_names[0],"d2leva-s.rl2");
269 Int3(); // fall through
270 case SHAREWARE_MISSION_HOGSIZE:
274 Last_secret_level = 0;
276 strcpy(Level_names[0],"d2leva-1.sl2");
277 strcpy(Level_names[1],"d2leva-2.sl2");
278 strcpy(Level_names[2],"d2leva-3.sl2");
286 // Special versions of mission routines for Diamond/S3 version
289 int load_mission_oem(int mission_num)
291 Current_mission_num = mission_num;
292 Current_mission_filename = Mission_list[mission_num].filename;
293 Current_mission_longname = Mission_list[mission_num].mission_name;
298 Last_secret_level = -2;
300 strcpy(Level_names[0],"d2leva-1.rl2");
301 strcpy(Level_names[1],"d2leva-2.rl2");
302 strcpy(Level_names[2],"d2leva-3.rl2");
303 strcpy(Level_names[3],"d2leva-4.rl2");
305 strcpy(Secret_level_names[0],"d2leva-s.rl2");
307 strcpy(Level_names[4],"d2levb-1.rl2");
308 strcpy(Level_names[5],"d2levb-2.rl2");
309 strcpy(Level_names[6],"d2levb-3.rl2");
310 strcpy(Level_names[7],"d2levb-4.rl2");
312 strcpy(Secret_level_names[1],"d2levb-s.rl2");
314 Secret_level_table[0] = 1;
315 Secret_level_table[1] = 5;
321 //strips damn newline from end of line
322 char *mfgets(char *s,int n,CFILE *f)
327 if (r && s[strlen(s)-1] == '\n')
333 //compare a string for a token. returns true if match
334 int istok(char *buf,char *tok)
336 return strnicmp(buf,tok,strlen(tok)) == 0;
340 //adds a terminating 0 after a string at the first white space
341 void add_term(char *s)
343 while (*s && !isspace(*s)) s++;
348 //returns ptr to string after '=' & white space, or NULL if no '='
349 //adds 0 after parm at first white space
350 char *get_value(char *buf)
354 t = strchr(buf,'=')+1;
357 while (*t && isspace(*t)) t++;
363 return NULL; //error!
366 //reads a line, returns ptr to value of passed parm. returns NULL if none
367 char *get_parm_value(char *parm,CFILE *f)
371 if (!mfgets(buf,80,f))
375 return get_value(buf);
380 int ml_sort_func(mle *e0,mle *e1)
382 return stricmp(e0->mission_name,e1->mission_name);
386 extern char CDROM_dir[];
388 //returns 1 if file read ok, else 0
389 int read_mission_file(char *filename,int count,int location)
394 //printf("reading: %s\n", filename);
398 strcpy(filename2,MISSION_DIR);
402 songs_stop_redbook(); //so we can read from the CD
403 strcpy(filename2,CDROM_dir);
407 Int3(); //fall through
410 strcpy(filename2,"");
413 strcat(filename2,filename);
415 mfile = cfopen(filename2,"rb");
419 char temp[FILENAME_LEN],*t;
421 strcpy(temp,filename);
422 if ((t = strchr(temp,'.')) == NULL)
423 return 0; //missing extension
424 // look if it's .mn2 or .msn
425 Mission_list[count].descent_version = (t[3] == '2') ? 2 : 1;
426 *t = 0; //kill extension
428 strncpy( Mission_list[count].filename, temp, 9 );
429 Mission_list[count].anarchy_only_flag = 0;
430 Mission_list[count].location = location;
432 p = get_parm_value("name",mfile);
434 if (!p) { //try enhanced mission
435 cfseek(mfile,0,SEEK_SET);
436 p = get_parm_value("xname",mfile);
439 if (!p) { //try super-enhanced mission!
440 cfseek(mfile,0,SEEK_SET);
441 p = get_parm_value("zname",mfile);
446 if ((t=strchr(p,';'))!=NULL)
449 while (isspace(*t)) t--;
450 strncpy(Mission_list[count].mission_name,p,MISSION_NAME_LEN);
457 p = get_parm_value("type",mfile);
461 Mission_list[count].anarchy_only_flag = istok(p,"anarchy");
471 void add_d1_builtin_mission_to_list(int *count)
473 if (!cfexist("descent.hog"))
476 D1_Builtin_mission_hogsize = cfile_size("descent.hog");
478 switch (D1_Builtin_mission_hogsize) {
479 case D1_SHAREWARE_MISSION_HOGSIZE:
480 case D1_SHAREWARE_10_MISSION_HOGSIZE:
481 case D1_MAC_SHARE_MISSION_HOGSIZE:
482 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
483 strcpy(Mission_list[*count].mission_name, D1_SHAREWARE_MISSION_NAME);
484 Mission_list[*count].anarchy_only_flag = 0;
486 case D1_OEM_MISSION_HOGSIZE:
487 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
488 strcpy(Mission_list[*count].mission_name, D1_OEM_MISSION_NAME);
489 Mission_list[*count].anarchy_only_flag = 0;
492 Warning("Unknown D1 hogsize %d\n", D1_Builtin_mission_hogsize);
495 case D1_MISSION_HOGSIZE:
496 case D1_10_MISSION_HOGSIZE:
497 case D1_MAC_MISSION_HOGSIZE:
498 strcpy(Mission_list[*count].filename, D1_MISSION_FILENAME);
499 strcpy(Mission_list[*count].mission_name, D1_MISSION_NAME);
500 Mission_list[*count].anarchy_only_flag = 0;
504 strcpy(D1_Builtin_mission_filename, Mission_list[*count].filename);
505 Mission_list[*count].descent_version = 1;
506 Mission_list[*count].anarchy_only_flag = 0;
511 void add_builtin_mission_to_list(int *count)
513 Builtin_mission_hogsize = cfile_size("descent2.hog");
514 if (Builtin_mission_hogsize == -1)
515 Builtin_mission_hogsize = cfile_size("d2demo.hog");
517 switch (Builtin_mission_hogsize) {
518 case SHAREWARE_MISSION_HOGSIZE:
519 case MAC_SHARE_MISSION_HOGSIZE:
520 strcpy(Mission_list[*count].filename,SHAREWARE_MISSION_FILENAME);
521 strcpy(Mission_list[*count].mission_name,SHAREWARE_MISSION_NAME);
522 Mission_list[*count].anarchy_only_flag = 0;
524 case OEM_MISSION_HOGSIZE:
525 strcpy(Mission_list[*count].filename,OEM_MISSION_FILENAME);
526 strcpy(Mission_list[*count].mission_name,OEM_MISSION_NAME);
527 Mission_list[*count].anarchy_only_flag = 0;
530 Warning("Unknown hogsize %d, trying %s\n", Builtin_mission_hogsize, FULL_MISSION_FILENAME ".mn2");
531 Int3(); //fall through
532 case FULL_MISSION_HOGSIZE:
533 case MAC_FULL_MISSION_HOGSIZE:
534 if (!read_mission_file(FULL_MISSION_FILENAME ".mn2", 0, ML_CURDIR))
535 Error("Could not find required mission file <%s>", FULL_MISSION_FILENAME ".mn2");
538 strcpy(Builtin_mission_filename, Mission_list[*count].filename);
539 Mission_list[*count].descent_version = 2;
540 Mission_list[*count].anarchy_only_flag = 0;
545 void add_missions_to_list(char *search_name, int *count, int anarchy_mode)
548 if( !FileFindFirst( search_name, &find ) ) {
550 if (read_mission_file( find.name, *count, ML_MISSIONDIR )) {
552 if (anarchy_mode || !Mission_list[*count].anarchy_only_flag)
556 } while( !FileFindNext( &find ) && *count < MAX_MISSIONS);
558 if (*count >= MAX_MISSIONS)
559 mprintf((0, "Warning: more missions than d2x can handle\n"));
563 /* move <mission_name> to <place> on mission list, increment <place> */
564 void promote (char * mission_name, int * top_place, int num_missions)
567 char name[FILENAME_LEN], * t;
568 strcpy(name, mission_name);
569 if ((t = strchr(name,'.')) != NULL)
570 *t = 0; //kill extension
571 //printf("promoting: %s\n", name);
572 for (i = *top_place; i < num_missions; i++)
573 if (!stricmp(Mission_list[i].filename, name)) {
574 //swap mission positions
577 temp = Mission_list[*top_place];
578 Mission_list[*top_place] = Mission_list[i];
579 Mission_list[i] = temp;
587 //fills in the global list of missions. Returns the number of missions
588 //in the list. If anarchy_mode set, don't include non-anarchy levels.
590 extern char CDROM_dir[];
591 extern char AltHogDir[];
592 extern char AltHogdir_initialized;
594 int build_mission_list(int anarchy_mode)
596 static int num_missions=-1;
600 //now search for levels on disk
602 //@@Took out this code because after this routine was called once for
603 //@@a list of single-player missions, a subsequent call for a list of
604 //@@anarchy missions would not scan again, and thus would not find the
605 //@@anarchy-only missions. If we retain the minimum level of install,
606 //@@we may want to put the code back in, having it always scan for all
607 //@@missions, and have the code that uses it sort out the ones it wants.
608 //@@ if (num_missions != -1) {
609 //@@ if (Current_mission_num != 0)
610 //@@ load_mission(0); //set built-in mission as default
611 //@@ return num_missions;
614 add_builtin_mission_to_list(&count); //read built-in first
615 add_d1_builtin_mission_to_list(&count);
616 add_missions_to_list(MISSION_DIR "*.mn2", &count, anarchy_mode);
617 add_missions_to_list(MISSION_DIR "*.msn", &count, anarchy_mode);
619 if (AltHogdir_initialized) {
620 char search_name[PATH_MAX + 5];
621 strcpy(search_name, AltHogDir);
622 strcat(search_name, "/" MISSION_DIR "*.mn2");
623 add_missions_to_list(search_name, &count, anarchy_mode);
624 strcpy(search_name, AltHogDir);
625 strcat(search_name, "/" MISSION_DIR "*.msn");
626 add_missions_to_list(search_name, &count, anarchy_mode);
629 // move original missions (in story-chronological order)
630 // to top of mission list
632 promote("descent", &top_place, count); // original descent 1 mission
633 D1_Builtin_mission_num = top_place - 1;
634 promote(Builtin_mission_filename, &top_place, count); // d2 or d2demo
635 Builtin_mission_num = top_place - 1;
636 promote("d2x", &top_place, count); // vertigo
638 if (count > top_place)
639 qsort(&Mission_list[top_place],
641 sizeof(*Mission_list),
642 (int (*)( const void *, const void * ))ml_sort_func);
645 if (count > top_place)
646 qsort(&Mission_list[top_place],
648 sizeof(*Mission_list),
649 (int (*)( const void *, const void * ))ml_sort_func);
651 //load_mission(0); //set built-in mission as default
653 num_missions = count;
658 void init_extra_robot_movie(char *filename);
660 //values for built-in mission
662 //loads the specfied mission from the mission list.
663 //build_mission_list() must have been called.
664 //Returns true if mission loaded ok, else false.
665 int load_mission(int mission_num)
670 int enhanced_mission = 0;
672 if (mission_num == D1_Builtin_mission_num) {
673 cfile_use_descent1_hogfile("descent.hog");
674 switch (D1_Builtin_mission_hogsize) {
676 Int3(); // fall through
677 case D1_MISSION_HOGSIZE:
678 case D1_10_MISSION_HOGSIZE:
679 case D1_MAC_MISSION_HOGSIZE:
680 case D1_OEM_MISSION_HOGSIZE:
681 case D1_SHAREWARE_MISSION_HOGSIZE:
682 case D1_SHAREWARE_10_MISSION_HOGSIZE:
683 case D1_MAC_SHARE_MISSION_HOGSIZE:
684 return load_mission_d1(mission_num);
689 if (mission_num == Builtin_mission_num) {
690 switch (Builtin_mission_hogsize) {
691 case SHAREWARE_MISSION_HOGSIZE:
692 case MAC_SHARE_MISSION_HOGSIZE:
693 return load_mission_shareware(mission_num);
695 case OEM_MISSION_HOGSIZE:
696 return load_mission_oem(mission_num);
699 Int3(); // fall through
700 case FULL_MISSION_HOGSIZE:
701 case MAC_FULL_MISSION_HOGSIZE:
702 // continue on... (use d2.mn2 from hogfile)
707 Current_mission_num = mission_num;
709 mprintf(( 0, "Loading mission %d\n", mission_num ));
711 //read mission from file
713 switch (Mission_list[mission_num].location) {
715 strcpy(buf,MISSION_DIR);
718 strcpy(buf,CDROM_dir);
721 Int3(); //fall through
726 strcat(buf,Mission_list[mission_num].filename);
727 if (Mission_list[mission_num].descent_version == 2)
732 mfile = cfopen(buf,"rb");
734 Current_mission_num = -1;
738 //for non-builtin missions, load HOG
739 if (strcmp(Mission_list[mission_num].filename, Builtin_mission_filename)) {
741 strcpy(buf+strlen(buf)-4,".hog"); //change extension
743 found_hogfile = cfile_use_alternate_hogfile(buf);
745 #ifdef RELEASE //for release, require mission to be in hogfile
746 if (! found_hogfile) {
748 Current_mission_num = -1;
753 // for Descent 1 missions, load descent.hog
754 if (Mission_list[mission_num].descent_version == 1 && strcmp(buf, "descent.hog"))
755 if (!cfile_use_descent1_hogfile("descent.hog"))
756 Warning("descent.hog not available, this mission may be missing some files required for briefings and exit sequence\n");
761 Last_secret_level = 0;
762 Briefing_text_filename[0] = 0;
763 Ending_text_filename[0] = 0;
765 while (mfgets(buf,80,mfile)) {
767 if (istok(buf,"name"))
768 continue; //already have name, go to next line
769 if (istok(buf,"xname")) {
770 enhanced_mission = 1;
771 continue; //already have name, go to next line
773 if (istok(buf,"zname")) {
774 enhanced_mission = 2;
775 continue; //already have name, go to next line
777 else if (istok(buf,"type"))
778 continue; //already have name, go to next line
779 else if (istok(buf,"hog")) {
782 while (*(bufp++) != '=')
786 while (*(++bufp) == ' ')
789 cfile_use_alternate_hogfile(bufp);
790 mprintf((0, "Hog file override = [%s]\n", bufp));
792 else if (istok(buf,"briefing")) {
793 if ((v = get_value(buf)) != NULL) {
796 strcpy(Briefing_text_filename,v);
799 else if (istok(buf,"ending")) {
800 if ((v = get_value(buf)) != NULL) {
803 strcpy(Ending_text_filename,v);
806 else if (istok(buf,"num_levels")) {
808 if ((v=get_value(buf))!=NULL) {
813 for (i=0;i<n_levels && mfgets(buf,80,mfile);i++) {
816 if (strlen(buf) <= 12) {
817 strcpy(Level_names[i],buf);
826 else if (istok(buf,"num_secrets")) {
827 if ((v=get_value(buf))!=NULL) {
830 N_secret_levels = atoi(v);
832 Assert(N_secret_levels <= MAX_SECRET_LEVELS_PER_MISSION);
834 for (i=0;i<N_secret_levels && mfgets(buf,80,mfile);i++) {
838 if ((t=strchr(buf,','))!=NULL) *t++=0;
843 if (strlen(buf) <= 12) {
844 strcpy(Secret_level_names[i],buf);
845 Secret_level_table[i] = atoi(t);
846 if (Secret_level_table[i]<1 || Secret_level_table[i]>Last_level)
861 if (Last_level <= 0) {
862 Current_mission_num = -1; //no valid mission loaded
866 Current_mission_filename = Mission_list[Current_mission_num].filename;
867 Current_mission_longname = Mission_list[Current_mission_num].mission_name;
869 if (enhanced_mission) {
871 extern void bm_read_extra_robots();
872 sprintf(t,"%s.ham",Current_mission_filename);
873 bm_read_extra_robots(t,enhanced_mission);
874 strncpy(t,Current_mission_filename,6);
876 init_extra_robot_movie(t);
882 //loads the named mission if exists.
883 //Returns true if mission loaded ok, else false.
884 int load_mission_by_name(char *mission_name)
888 n = build_mission_list(1);
891 if (!stricmp(mission_name,Mission_list[i].filename))
892 return load_mission(i);
894 return 0; //couldn't find mission