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.
20 static char rcsid[] = "$Id: endlevel.c,v 1.6 2002-07-23 21:24:11 btb Exp $";
32 #include <ctype.h> // for isspace
73 typedef struct flythrough_data {
75 vms_angvec angles; //orientation in angles
76 vms_vector step; //how far in a second
77 vms_vector angstep; //rotation per second
78 fix speed; //how fast object is moving
79 vms_vector headvec; //where we want to be pointing
80 int first_time; //flag for if first time through
81 fix offset_frac; //how far off-center as portion of way
82 fix offset_dist; //how far currently off-center
85 //endlevel sequence states
87 #define EL_OFF 0 //not in endlevel
88 #define EL_FLYTHROUGH 1 //auto-flythrough in tunnel
89 #define EL_LOOKBACK 2 //looking back at player
90 #define EL_OUTSIDE 3 //flying outside for a while
91 #define EL_STOPPED 4 //stopped, watching explosion
92 #define EL_PANNING 5 //panning around, watching player
93 #define EL_CHASING 6 //chasing player to station
95 #define SHORT_SEQUENCE 1 //if defined, end sequnce when panning starts
96 //#define STATION_ENABLED 1 //if defined, load & use space station model
98 int Endlevel_sequence = 0;
100 extern fix player_speed;
102 int transition_segnum,exit_segnum;
104 object *endlevel_camera;
106 #define FLY_SPEED i2f(50)
108 void do_endlevel_flythrough(int n);
110 int find_exit_side(object *obj);
111 void generate_starfield();
112 void start_endlevel_flythrough(int n,object *obj,fix speed);
113 void start_rendered_endlevel_sequence();
116 char movie_table[] = { 'a','a','a','a','d','d','d','d' };
118 char movie_table[] = { 'a','b','c',
130 #define N_MOVIES (sizeof(movie_table) / sizeof(*movie_table))
134 char movie_table_secret[] = {'a','d'};
136 char movie_table_secret[] = {'a','d','g','j','m','p'};
138 #define N_MOVIES_SECRET (sizeof(movie_table_secret) / sizeof(*movie_table_secret))
140 #define N_MOVIES_SECRET 0
144 #define FLY_ACCEL i2f(5)
146 fix cur_fly_speed,desired_fly_speed;
148 extern int matt_find_connect_side(int seg0,int seg1);
150 grs_bitmap *satellite_bitmap,*station_bitmap,*terrain_bitmap; //!!*exit_bitmap,
151 vms_vector satellite_pos,satellite_upvec;
152 //!!grs_bitmap **exit_bitmap_list[1];
153 int station_modelnum,exit_modelnum,destroyed_exit_modelnum;
155 vms_vector station_pos = {0xf8c4<<10,0x3c1c<<12,0x372<<10};
157 #ifdef STATION_ENABLED
158 grs_bitmap *station_bitmap;
159 grs_bitmap **station_bitmap_list[1];
160 int station_modelnum;
163 vms_vector mine_exit_point;
164 vms_vector mine_ground_exit_point;
165 vms_vector mine_side_exit_point;
166 vms_matrix mine_exit_orient;
170 grs_bitmap terrain_bm_instance;
171 grs_bitmap satellite_bm_instance;
173 //find delta between two angles
174 fixang delta_ang(fixang a,fixang b)
176 fixang delta0,delta1;
178 return (abs(delta0 = a - b) < abs(delta1 = b - a)) ? delta0 : delta1;
182 //return though which side of seg0 is seg1
183 int matt_find_connect_side(int seg0,int seg1)
185 segment *Seg=&Segments[seg0];
188 for (i=MAX_SIDES_PER_SEGMENT;i--;) if (Seg->children[i]==seg1) return i;
193 extern int Kmatrix_nomovie_message;
195 #if defined(D2_OEM) || defined(COMPILATION)
196 #define MOVIE_REQUIRED 0
198 #define MOVIE_REQUIRED 1
201 //returns movie played status. see movie.h
202 int start_endlevel_movie()
204 char movie_name[] = "esa.mve";
208 Assert(Current_mission_num == 0); //only play movie for built-in mission
210 Assert(N_MOVIES >= Last_level);
211 Assert(N_MOVIES_SECRET >= -Last_secret_level);
214 if (Current_level_num == Last_level)
215 return 1; //don't play movie
218 if (Current_level_num > 0)
219 movie_name[2] = movie_table[Current_level_num-1];
222 return 0; //no escapes for secret level
224 Error("Invalid level number <%d>",Current_level_num);
228 memcpy(save_pal,gr_palette,768);
231 r=PlayMovie(movie_name,(Game_mode & GM_MULTI)?0:MOVIE_REQUIRED);
233 return 0; // movie not played for shareware
236 if (Newdemo_state == ND_STATE_PLAYBACK) {
237 set_screen_mode(SCREEN_GAME);
238 memcpy(gr_palette,save_pal,768);
242 if (r==MOVIE_NOT_PLAYED && (Game_mode & GM_MULTI))
243 Kmatrix_nomovie_message=1;
245 Kmatrix_nomovie_message=0;
256 if (terrain_bm_instance.bm_data)
257 d_free(terrain_bm_instance.bm_data);
259 if (satellite_bm_instance.bm_data)
260 d_free(satellite_bm_instance.bm_data);
265 //##satellite_bitmap = bm_load("earth.bbm");
266 //##terrain_bitmap = bm_load("moon.bbm");
268 //##load_terrain("matt5b.bbm"); //load bitmap as height array
269 //##//load_terrain("ttest2.bbm"); //load bitmap as height array
271 #ifdef STATION_ENABLED
272 station_bitmap = bm_load("steel3.bbm");
273 station_bitmap_list[0] = &station_bitmap;
275 station_modelnum = load_polygon_model("station.pof",1,station_bitmap_list,NULL);
278 //!! exit_bitmap = bm_load("steel1.bbm");
279 //!! exit_bitmap_list[0] = &exit_bitmap;
281 //!! exit_modelnum = load_polygon_model("exit01.pof",1,exit_bitmap_list,NULL);
282 //!! destroyed_exit_modelnum = load_polygon_model("exit01d.pof",1,exit_bitmap_list,NULL);
284 generate_starfield();
286 atexit(free_endlevel_data);
288 terrain_bm_instance.bm_data = satellite_bm_instance.bm_data = NULL;
292 object external_explosion;
293 int ext_expl_playing,mine_destroyed;
295 extern fix flash_scale;
297 vms_angvec exit_angles={-0xa00,0,0};
299 vms_matrix surface_orient;
301 int endlevel_data_loaded=0;
302 extern char last_palette_loaded[];
304 void start_endlevel_sequence()
307 int movie_played = MOVIE_NOT_PLAYED;
308 #if defined(MACINTOSH) && defined(SHAREWARE)
309 static int inited = 0;
317 if (Newdemo_state == ND_STATE_RECORDING) // stop demo recording
318 Newdemo_state = ND_STATE_PAUSED;
320 if (Newdemo_state == ND_STATE_PLAYBACK) { // don't do this if in playback mode
321 if (Current_mission_num == 0) //only play movie for built-in mission
322 start_endlevel_movie();
323 strcpy(last_palette_loaded,""); //force palette load next time
327 if (Player_is_dead || ConsoleObject->flags&OF_SHOULD_BE_DEAD)
328 return; //don't start if dead!
330 // Dematerialize Buddy!
331 for (i=0; i<=Highest_object_index; i++)
332 if (Objects[i].type == OBJ_ROBOT)
333 if (Robot_info[Objects[i].id].companion) {
334 object_create_explosion(Objects[i].segnum, &Objects[i].pos, F1_0*7/2, VCLIP_POWERUP_DISAPPEARANCE );
335 Objects[i].flags |= OF_SHOULD_BE_DEAD;
338 Players[Player_num].homing_object_dist = -F1_0; // Turn off homing sound.
340 reset_rear_view(); //turn off rear view if set
343 if (Game_mode & GM_MULTI) {
344 multi_send_endlevel_start(0);
345 network_do_frame(1, 1);
349 if (Current_mission_num == 0) { //only play movie for built-in mission
351 //try playing movie. If it plays, great. if not, do rendered ending
353 if (!(Game_mode & GM_MULTI))
354 movie_played = start_endlevel_movie();
357 if (movie_played == MOVIE_NOT_PLAYED) { //don't have movie. Do rendered sequence
359 start_rendered_endlevel_sequence();
367 gr_palette_fade_out(gr_palette, 32, 0);
369 PlayerFinishedLevel(0); //done with level
374 void do_endlevel_frame() {Int3();}
375 void stop_endlevel_sequence() {Int3();}
376 void render_endlevel_frame(fix eye_offset) {Int3();}
380 static int cockpit_mode_save;
382 void start_rendered_endlevel_sequence()
384 int last_segnum,exit_side,tunnel_length;
387 int segnum,old_segnum,entry_side,i;
389 //count segments in exit tunnel
391 old_segnum = ConsoleObject->segnum;
392 exit_side = find_exit_side(ConsoleObject);
393 segnum = Segments[old_segnum].children[exit_side];
396 entry_side = matt_find_connect_side(segnum,old_segnum);
397 exit_side = Side_opposite[entry_side];
399 segnum = Segments[segnum].children[exit_side];
401 } while (segnum >= 0);
404 PlayerFinishedLevel(0); //don't do special sequence
408 last_segnum = old_segnum;
410 //now pick transition segnum 1/3 of the way in
412 old_segnum = ConsoleObject->segnum;
413 exit_side = find_exit_side(ConsoleObject);
414 segnum = Segments[old_segnum].children[exit_side];
418 entry_side = matt_find_connect_side(segnum,old_segnum);
419 exit_side = Side_opposite[entry_side];
421 segnum = Segments[segnum].children[exit_side];
423 transition_segnum = segnum;
427 cockpit_mode_save = Cockpit_mode;
430 if (Game_mode & GM_MULTI) {
431 multi_send_endlevel_start(0);
432 network_do_frame(1, 1);
437 Assert(last_segnum == exit_segnum);
438 // songs_play_song( SONG_ENDLEVEL, 0 ); // JTS: Until we get an exit song, just don't worry
441 Endlevel_sequence = EL_FLYTHROUGH;
443 ConsoleObject->movement_type = MT_NONE; //movement handled by flythrough
444 ConsoleObject->control_type = CT_NONE;
446 Game_suspended |= SUSP_ROBOTS; //robots don't move
448 cur_fly_speed = desired_fly_speed = FLY_SPEED;
450 start_endlevel_flythrough(0,ConsoleObject,cur_fly_speed); //initialize
452 HUD_init_message( TXT_EXIT_SEQUENCE );
454 outside_mine = ext_expl_playing = 0;
464 extern flythrough_data fly_objects[];
466 extern object *slew_obj;
468 vms_angvec player_angles,player_dest_angles;
469 vms_angvec camera_desired_angles,camera_cur_angles;
471 #define CHASE_TURN_RATE (0x4000/4) //max turn per second
473 //returns bitmask of which angles are at dest. bits 0,1,2 = p,b,h
474 int chase_angles(vms_angvec *cur_angles,vms_angvec *desired_angles)
476 vms_angvec delta_angs,alt_angles,alt_delta_angs;
477 fix total_delta,alt_total_delta;
481 delta_angs.p = desired_angles->p - cur_angles->p;
482 delta_angs.h = desired_angles->h - cur_angles->h;
483 delta_angs.b = desired_angles->b - cur_angles->b;
486 //printf("chasing angles...desired = %x %x %x, cur = %x %x %x ",desired_angles->p,desired_angles->b,desired_angles->h,cur_angles->p,cur_angles->b,cur_angles->h);
488 total_delta = abs(delta_angs.p) + abs(delta_angs.b) + abs(delta_angs.h);
490 alt_angles.p = f1_0/2 - cur_angles->p;
491 alt_angles.b = cur_angles->b + f1_0/2;
492 alt_angles.h = cur_angles->h + f1_0/2;
494 alt_delta_angs.p = desired_angles->p - alt_angles.p;
495 alt_delta_angs.h = desired_angles->h - alt_angles.h;
496 alt_delta_angs.b = desired_angles->b - alt_angles.b;
497 //alt_delta_angs.b = 0;
499 alt_total_delta = abs(alt_delta_angs.p) + abs(alt_delta_angs.b) + abs(alt_delta_angs.h);
501 //printf("Total delta = %x, alt total_delta = %x\n",total_delta,alt_total_delta);
503 if (alt_total_delta < total_delta) {
504 //mprintf((0,"FLIPPING ANGLES!\n"));
505 //printf("FLIPPING ANGLES!\n");
506 *cur_angles = alt_angles;
507 delta_angs = alt_delta_angs;
510 frame_turn = fixmul(FrameTime,CHASE_TURN_RATE);
512 if (abs(delta_angs.p) < frame_turn) {
513 cur_angles->p = desired_angles->p;
517 if (delta_angs.p > 0)
518 cur_angles->p += frame_turn;
520 cur_angles->p -= frame_turn;
522 if (abs(delta_angs.b) < frame_turn) {
523 cur_angles->b = desired_angles->b;
527 if (delta_angs.b > 0)
528 cur_angles->b += frame_turn;
530 cur_angles->b -= frame_turn;
533 if (abs(delta_angs.h) < frame_turn) {
534 cur_angles->h = desired_angles->h;
538 if (delta_angs.h > 0)
539 cur_angles->h += frame_turn;
541 cur_angles->h -= frame_turn;
546 void stop_endlevel_sequence()
548 Interpolation_method = 0;
550 gr_palette_fade_out(gr_palette, 32, 0);
552 select_cockpit(cockpit_mode_save);
554 Endlevel_sequence = EL_OFF;
556 PlayerFinishedLevel(0);
560 #define VCLIP_BIG_PLAYER_EXPLOSION 58
562 //--unused-- vms_vector upvec = {0,f1_0,0};
564 //find the angle between the player's heading & the station
565 void get_angs_to_object(vms_angvec *av,vms_vector *targ_pos,vms_vector *cur_pos)
569 vm_vec_sub(&tv,targ_pos,cur_pos);
571 vm_extract_angles_vector(av,&tv);
574 void do_endlevel_frame()
578 static fix bank_rate;
580 vms_vector save_last_pos;
581 static fix explosion_wait1=0;
582 static fix explosion_wait2=0;
583 static fix ext_expl_halflife;
585 save_last_pos = ConsoleObject->last_pos; //don't let move code change this
587 ConsoleObject->last_pos = save_last_pos;
589 if (ext_expl_playing) {
591 external_explosion.lifeleft -= FrameTime;
592 do_explosion_sequence(&external_explosion);
594 if (external_explosion.lifeleft < ext_expl_halflife)
597 if (external_explosion.flags & OF_SHOULD_BE_DEAD)
598 ext_expl_playing = 0;
601 if (cur_fly_speed != desired_fly_speed) {
602 fix delta = desired_fly_speed - cur_fly_speed;
603 fix frame_accel = fixmul(FrameTime,FLY_ACCEL);
605 if (abs(delta) < frame_accel)
606 cur_fly_speed = desired_fly_speed;
609 cur_fly_speed += frame_accel;
611 cur_fly_speed -= frame_accel;
617 if (Endlevel_sequence==EL_OUTSIDE) {
620 vm_vec_sub(&tvec,&ConsoleObject->pos,&mine_side_exit_point);
622 if (vm_vec_dot(&tvec,&mine_exit_orient.fvec) > 0) {
627 tobj = object_create_explosion(exit_segnum,&mine_side_exit_point,i2f(50),VCLIP_BIG_PLAYER_EXPLOSION);
630 external_explosion = *tobj;
632 tobj->flags |= OF_SHOULD_BE_DEAD;
634 flash_scale = 0; //kill lights in mine
636 ext_expl_halflife = tobj->lifeleft;
638 ext_expl_playing = 1;
641 digi_link_sound_to_pos( SOUND_BIG_ENDLEVEL_EXPLOSION, exit_segnum, 0, &mine_side_exit_point, 0, i2f(3)/4 );
645 //do explosions chasing player
646 if ((explosion_wait1-=FrameTime) < 0) {
650 static int sound_count;
652 vm_vec_scale_add(&tpnt,&ConsoleObject->pos,&ConsoleObject->orient.fvec,-ConsoleObject->size*5);
653 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*15);
654 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*15);
656 segnum = find_point_seg(&tpnt,ConsoleObject->segnum);
659 expl = object_create_explosion(segnum,&tpnt,i2f(20),VCLIP_BIG_PLAYER_EXPLOSION);
660 if (d_rand()<10000 || ++sound_count==7) { //pseudo-random
661 digi_link_sound_to_pos( SOUND_TUNNEL_EXPLOSION, segnum, 0, &tpnt, 0, F1_0 );
666 explosion_wait1 = 0x2000 + d_rand()/4;
671 //do little explosions on walls
672 if (Endlevel_sequence >= EL_FLYTHROUGH && Endlevel_sequence < EL_OUTSIDE)
673 if ((explosion_wait2-=FrameTime) < 0) {
678 //create little explosion on wall
680 vm_vec_copy_scale(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*100);
681 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*100);
682 vm_vec_add2(&tpnt,&ConsoleObject->pos);
684 if (Endlevel_sequence == EL_FLYTHROUGH)
685 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*200);
687 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*60);
689 //find hit point on wall
691 fq.p0 = &ConsoleObject->pos;
693 fq.startseg = ConsoleObject->segnum;
696 fq.ignore_obj_list = NULL;
699 find_vector_intersection(&fq,&hit_data);
701 if (hit_data.hit_type==HIT_WALL && hit_data.hit_seg!=-1)
702 object_create_explosion(hit_data.hit_seg,&hit_data.hit_pnt,i2f(3)+d_rand()*6,VCLIP_SMALL_EXPLOSION);
704 explosion_wait2 = (0xa00 + d_rand()/8)/2;
707 switch (Endlevel_sequence) {
711 case EL_FLYTHROUGH: {
713 do_endlevel_flythrough(0);
715 if (ConsoleObject->segnum == transition_segnum) {
718 start_endlevel_movie();
719 stop_endlevel_sequence();
724 //songs_play_song( SONG_ENDLEVEL, 0 );
726 Endlevel_sequence = EL_LOOKBACK;
728 objnum = obj_create(OBJ_CAMERA, 0,
729 ConsoleObject->segnum,&ConsoleObject->pos,&ConsoleObject->orient,0,
730 CT_NONE,MT_NONE,RT_NONE);
732 if (objnum == -1) { //can't get object, so abort
733 mprintf((1, "Can't get object for endlevel sequence. Aborting endlevel sequence.\n"));
734 stop_endlevel_sequence();
738 Viewer = endlevel_camera = &Objects[objnum];
740 select_cockpit(CM_LETTERBOX);
742 fly_objects[1] = fly_objects[0];
743 fly_objects[1].obj = endlevel_camera;
744 fly_objects[1].speed = (5*cur_fly_speed)/4;
745 fly_objects[1].offset_frac = 0x4000;
747 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,i2f(7));
761 do_endlevel_flythrough(0);
762 do_endlevel_flythrough(1);
768 if (timer < 0) //reduce speed
769 fly_objects[1].speed = fly_objects[0].speed;
772 if (endlevel_camera->segnum == exit_segnum) {
773 vms_angvec cam_angles,exit_seg_angles;
775 Endlevel_sequence = EL_OUTSIDE;
779 vm_vec_negate(&endlevel_camera->orient.fvec);
780 vm_vec_negate(&endlevel_camera->orient.rvec);
782 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
783 vm_extract_angles_matrix(&exit_seg_angles,&mine_exit_orient);
784 bank_rate = (-exit_seg_angles.b - cam_angles.b)/2;
786 ConsoleObject->control_type = endlevel_camera->control_type = CT_NONE;
789 slew_obj = endlevel_camera;
798 vms_angvec cam_angles;
801 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
803 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,-2*cur_fly_speed));
804 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.uvec,fixmul(FrameTime,-cur_fly_speed/10));
806 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
807 cam_angles.b += fixmul(bank_rate,FrameTime);
808 vm_angles_2_matrix(&endlevel_camera->orient,&cam_angles);
815 Endlevel_sequence = EL_STOPPED;
817 vm_extract_angles_matrix(&player_angles,&ConsoleObject->orient);
828 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
829 chase_angles(&player_angles,&player_dest_angles);
830 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
832 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
839 slew_obj = endlevel_camera;
840 _do_slew_movement(endlevel_camera,1,1);
841 timer += FrameTime; //make time stop
845 #ifdef SHORT_SEQUENCE
847 stop_endlevel_sequence();
850 Endlevel_sequence = EL_PANNING;
852 vm_extract_angles_matrix(&camera_cur_angles,&endlevel_camera->orient);
857 if (Game_mode & GM_MULTI) { // try to skip part of the seq if multiplayer
858 stop_endlevel_sequence();
862 //mprintf((0,"Switching to pan...\n"));
863 #endif //SHORT_SEQUENCE
870 #ifndef SHORT_SEQUENCE
876 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
877 chase_angles(&player_angles,&player_dest_angles);
878 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
879 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
882 _do_slew_movement(endlevel_camera,1,1);
885 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
886 mask = chase_angles(&camera_cur_angles,&camera_desired_angles);
887 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
893 Endlevel_sequence = EL_CHASING;
895 vm_vec_normalized_dir_quick(&tvec,&station_pos,&ConsoleObject->pos);
896 vm_vector_2_matrix(&ConsoleObject->orient,&tvec,&surface_orient.uvec,NULL);
898 desired_fly_speed *= 2;
900 //mprintf((0,"Switching to chase...\n"));
912 _do_slew_movement(endlevel_camera,1,1);
915 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
916 chase_angles(&camera_cur_angles,&camera_desired_angles);
919 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
922 d = vm_vec_dist_quick(&ConsoleObject->pos,&endlevel_camera->pos);
924 speed_scale = fixdiv(d,i2f(0x20));
927 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
928 chase_angles(&player_angles,&player_dest_angles);
929 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
931 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
933 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,fixmul(speed_scale,cur_fly_speed)));
935 if (vm_vec_dist(&ConsoleObject->pos,&station_pos) < i2f(10))
936 stop_endlevel_sequence();
942 #endif //ifdef SHORT_SEQUENCE
951 //find which side to fly out of
952 int find_exit_side(object *obj)
955 vms_vector prefvec,segcenter,sidevec;
958 segment *pseg = &Segments[obj->segnum];
962 vm_vec_normalized_dir_quick(&prefvec,&obj->pos,&obj->last_pos);
964 compute_segment_center(&segcenter,pseg);
967 for (i=MAX_SIDES_PER_SEGMENT;--i >= 0;) {
970 if (pseg->children[i]!=-1) {
972 compute_center_point_on_side(&sidevec,pseg,i);
973 vm_vec_normalized_dir_quick(&sidevec,&sidevec,&segcenter);
974 d = vm_vec_dotprod(&sidevec,&prefvec);
976 if (labs(d) < MIN_D) d=0;
978 if (d > best_val) {best_val=d; best_side=i;}
983 Assert(best_side!=-1);
988 extern fix Render_zoom; //the player's zoom factor
990 extern vms_vector Viewer_eye; //valid during render
992 void draw_exit_model()
994 vms_vector model_pos;
997 vm_vec_scale_add(&model_pos,&mine_exit_point,&mine_exit_orient.fvec,i2f(f));
998 vm_vec_scale_add2(&model_pos,&mine_exit_orient.uvec,i2f(u));
1000 draw_polygon_model(&model_pos,&mine_exit_orient,NULL,(mine_destroyed)?destroyed_exit_modelnum:exit_modelnum,0,f1_0,NULL,NULL);
1004 int exit_point_bmx,exit_point_bmy;
1006 fix satellite_size = i2f(400);
1008 #define SATELLITE_DIST i2f(1024)
1009 #define SATELLITE_WIDTH satellite_size
1010 #define SATELLITE_HEIGHT ((satellite_size*9)/4) //((satellite_size*5)/2)
1012 void render_external_scene(fix eye_offset)
1015 Viewer_eye = Viewer->pos;
1018 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1020 g3_set_view_matrix(&Viewer->pos,&Viewer->orient,Render_zoom);
1022 //g3_draw_horizon(BM_XRGB(0,0,0),BM_XRGB(16,16,16)); //,-1);
1023 gr_clear_canvas(BM_XRGB(0,0,0));
1025 g3_start_instance_matrix(&vmd_zero_vector,&surface_orient);
1032 g3s_point p,top_pnt;
1034 g3_rotate_point(&p,&satellite_pos);
1035 g3_rotate_delta_vec(&delta,&satellite_upvec);
1037 g3_add_delta_vec(&top_pnt,&p,&delta);
1039 if (! (p.p3_codes & CC_BEHIND)) {
1040 int save_im = Interpolation_method;
1041 //p.p3_flags &= ~PF_PROJECTED;
1042 //g3_project_point(&p);
1043 if (! (p.p3_flags & PF_OVERFLOW)) {
1044 Interpolation_method = 0;
1045 //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1046 g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1047 Interpolation_method = save_im;
1052 #ifdef STATION_ENABLED
1053 draw_polygon_model(&station_pos,&vmd_identity_matrix,NULL,station_modelnum,0,f1_0,NULL,NULL);
1056 render_terrain(&mine_ground_exit_point,exit_point_bmx,exit_point_bmy);
1059 if (ext_expl_playing)
1060 draw_fireball(&external_explosion);
1063 render_object(ConsoleObject);
1067 #define MAX_STARS 500
1069 vms_vector stars[MAX_STARS];
1071 void generate_starfield()
1075 for (i=0;i<MAX_STARS;i++) {
1077 stars[i].x = (d_rand() - RAND_MAX/2) << 14;
1078 stars[i].z = (d_rand() - RAND_MAX/2) << 14;
1079 stars[i].y = (d_rand()/2) << 14;
1090 for (i=0;i<MAX_STARS;i++) {
1093 gr_setcolor(BM_XRGB(intensity,intensity,intensity));
1097 //g3_rotate_point(&p,&stars[i]);
1098 g3_rotate_delta_vec(&p.p3_vec,&stars[i]);
1101 if (p.p3_codes == 0) {
1103 p.p3_flags &= ~PF_PROJECTED;
1105 g3_project_point(&p);
1107 gr_pixel(f2i(p.p3_sx),f2i(p.p3_sy));
1112 //@@ vms_vector delta;
1113 //@@ g3s_point top_pnt;
1115 //@@ g3_rotate_point(&p,&satellite_pos);
1116 //@@ g3_rotate_delta_vec(&delta,&satellite_upvec);
1118 //@@ g3_add_delta_vec(&top_pnt,&p,&delta);
1120 //@@ if (! (p.p3_codes & CC_BEHIND)) {
1121 //@@ int save_im = Interpolation_method;
1122 //@@ Interpolation_method = 0;
1123 //@@ //p.p3_flags &= ~PF_PROJECTED;
1124 //@@ g3_project_point(&p);
1125 //@@ if (! (p.p3_flags & PF_OVERFLOW))
1126 //@@ //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1127 //@@ g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1128 //@@ Interpolation_method = save_im;
1134 void endlevel_render_mine(fix eye_offset)
1138 Viewer_eye = Viewer->pos;
1140 if (Viewer->type == OBJ_PLAYER )
1141 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.fvec,(Viewer->size*3)/4);
1144 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1147 if (Function_mode==FMODE_EDITOR)
1148 Viewer_eye = Viewer->pos;
1151 if (Endlevel_sequence >= EL_OUTSIDE) {
1153 start_seg_num = exit_segnum;
1156 start_seg_num = find_point_seg(&Viewer_eye,Viewer->segnum);
1158 if (start_seg_num==-1)
1159 start_seg_num = Viewer->segnum;
1162 if (Endlevel_sequence == EL_LOOKBACK) {
1163 vms_matrix headm,viewm;
1164 vms_angvec angles = {0,0,0x7fff};
1166 vm_angles_2_matrix(&headm,&angles);
1167 vm_matrix_x_matrix(&viewm,&Viewer->orient,&headm);
1168 g3_set_view_matrix(&Viewer_eye,&viewm,Render_zoom);
1171 g3_set_view_matrix(&Viewer_eye,&Viewer->orient,Render_zoom);
1173 render_mine(start_seg_num,eye_offset, 0);
1176 void render_endlevel_frame(fix eye_offset)
1181 if (Endlevel_sequence < EL_OUTSIDE)
1182 endlevel_render_mine(eye_offset);
1185 render_external_scene(eye_offset);
1193 ///////////////////////// copy of flythrough code for endlevel
1196 #define MAX_FLY_OBJECTS 2
1198 flythrough_data fly_objects[MAX_FLY_OBJECTS];
1200 flythrough_data *flydata;
1202 int matt_find_connect_side(int seg0,int seg1);
1204 void compute_segment_center(vms_vector *vp,segment *sp);
1206 fixang delta_ang(fixang a,fixang b);
1207 fixang interp_angle(fixang dest,fixang src,fixang step);
1209 #define DEFAULT_SPEED i2f(16)
1213 //if speed is zero, use default speed
1214 void start_endlevel_flythrough(int n,object *obj,fix speed)
1216 flydata = &fly_objects[n];
1220 flydata->first_time = 1;
1222 flydata->speed = speed?speed:DEFAULT_SPEED;
1224 flydata->offset_frac = 0;
1227 static vms_angvec *angvec_add2_scale(vms_angvec *dest,vms_vector *src,fix s)
1229 dest->p += fixmul(src->x,s);
1230 dest->b += fixmul(src->z,s);
1231 dest->h += fixmul(src->y,s);
1236 #define MAX_ANGSTEP 0x4000 //max turn per second
1238 #define MAX_SLIDE_PER_SEGMENT 0x10000
1240 void do_endlevel_flythrough(int n)
1246 flydata = &fly_objects[n];
1249 old_player_seg = obj->segnum;
1251 //move the player for this frame
1253 if (!flydata->first_time) {
1255 vm_vec_scale_add2(&obj->pos,&flydata->step,FrameTime);
1256 angvec_add2_scale(&flydata->angles,&flydata->angstep,FrameTime);
1258 vm_angles_2_matrix(&obj->orient,&flydata->angles);
1261 //check new player seg
1263 update_object_seg(obj);
1264 pseg = &Segments[obj->segnum];
1266 if (flydata->first_time || obj->segnum != old_player_seg) { //moved into new seg
1267 vms_vector curcenter,nextcenter;
1268 fix step_size,seg_time;
1269 short entry_side,exit_side = -1;//what sides we entry and leave through
1270 vms_vector dest_point; //where we are heading (center of exit_side)
1271 vms_angvec dest_angles; //where we want to be pointing
1272 vms_matrix dest_orient;
1277 //find new exit side
1279 if (!flydata->first_time) {
1281 entry_side = matt_find_connect_side(obj->segnum,old_player_seg);
1282 exit_side = Side_opposite[entry_side];
1285 if (flydata->first_time || entry_side==-1 || pseg->children[exit_side]==-1)
1286 exit_side = find_exit_side(obj);
1288 { //find closest side to align to
1289 fix d,largest_d=-f1_0;
1295 get_side_normal(pseg, i, 0, &v1 );
1296 d = vm_vec_dot(&v1,&flydata->obj->orient.uvec);
1298 d = vm_vec_dot(&pseg->sides[i].normals[0],&flydata->obj->orient.uvec);
1300 if (d > largest_d) {largest_d = d; up_side=i;}
1305 //update target point & angles
1307 compute_center_point_on_side(&dest_point,pseg,exit_side);
1309 //update target point and movement points
1311 //offset object sideways
1312 if (flydata->offset_frac) {
1318 if (i!=entry_side && i!=exit_side && i!=up_side && i!=Side_opposite[up_side])
1326 compute_center_point_on_side(&s0p,pseg,s0);
1327 compute_center_point_on_side(&s1p,pseg,s1);
1328 dist = fixmul(vm_vec_dist(&s0p,&s1p),flydata->offset_frac);
1330 if (dist-flydata->offset_dist > MAX_SLIDE_PER_SEGMENT)
1331 dist = flydata->offset_dist + MAX_SLIDE_PER_SEGMENT;
1333 flydata->offset_dist = dist;
1335 vm_vec_scale_add2(&dest_point,&obj->orient.rvec,dist);
1339 vm_vec_sub(&flydata->step,&dest_point,&obj->pos);
1340 step_size = vm_vec_normalize_quick(&flydata->step);
1341 vm_vec_scale(&flydata->step,flydata->speed);
1343 compute_segment_center(&curcenter,pseg);
1344 compute_segment_center(&nextcenter,&Segments[pseg->children[exit_side]]);
1345 vm_vec_sub(&flydata->headvec,&nextcenter,&curcenter);
1350 get_side_normal(pseg, up_side, 0, &_v1 );
1351 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&_v1,NULL);
1354 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&pseg->sides[up_side].normals[0],NULL);
1356 vm_extract_angles_matrix(&dest_angles,&dest_orient);
1358 if (flydata->first_time)
1359 vm_extract_angles_matrix(&flydata->angles,&obj->orient);
1361 seg_time = fixdiv(step_size,flydata->speed); //how long through seg
1364 flydata->angstep.x = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.p,dest_angles.p),seg_time)));
1365 flydata->angstep.z = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.b,dest_angles.b),seg_time)));
1366 flydata->angstep.y = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.h,dest_angles.h),seg_time)));
1370 flydata->angles = dest_angles;
1371 flydata->angstep.x = flydata->angstep.y = flydata->angstep.z = 0;
1375 flydata->first_time=0;
1379 #define ROT_SPEED 8 //rate of rotation while key held down
1380 #define VEL_SPEED (15) //rate of acceleration while key held down
1382 extern short old_joy_x,old_joy_y; //position last time around
1387 #ifdef SLEW_ON //this is a special routine for slewing around external scene
1388 int _do_slew_movement(object *obj, int check_keys, int check_joy )
1391 vms_vector svel, movement; //scaled velocity (per this frame)
1392 vms_matrix rotmat,new_pm;
1393 int joy_x,joy_y,btns;
1394 int joyx_moved,joyy_moved;
1397 if (keyd_pressed[KEY_PAD5])
1398 vm_vec_zero(&obj->phys_info.velocity);
1401 obj->phys_info.velocity.x += VEL_SPEED * (key_down_time(KEY_PAD9) - key_down_time(KEY_PAD7));
1402 obj->phys_info.velocity.y += VEL_SPEED * (key_down_time(KEY_PADMINUS) - key_down_time(KEY_PADPLUS));
1403 obj->phys_info.velocity.z += VEL_SPEED * (key_down_time(KEY_PAD8) - key_down_time(KEY_PAD2));
1405 rotang.pitch = (key_down_time(KEY_LBRACKET) - key_down_time(KEY_RBRACKET))/ROT_SPEED;
1406 rotang.bank = (key_down_time(KEY_PAD1) - key_down_time(KEY_PAD3))/ROT_SPEED;
1407 rotang.head = (key_down_time(KEY_PAD6) - key_down_time(KEY_PAD4))/ROT_SPEED;
1410 rotang.pitch = rotang.bank = rotang.head = 0;
1412 //check for joystick movement
1414 if (check_joy && joy_present) {
1415 joy_get_pos(&joy_x,&joy_y);
1416 btns=joy_get_btns();
1418 joyx_moved = (abs(joy_x - old_joy_x)>JOY_NULL);
1419 joyy_moved = (abs(joy_y - old_joy_y)>JOY_NULL);
1421 if (abs(joy_x) < JOY_NULL) joy_x = 0;
1422 if (abs(joy_y) < JOY_NULL) joy_y = 0;
1425 if (!rotang.pitch) rotang.pitch = fixmul(-joy_y * 512,FrameTime); else;
1427 if (joyy_moved) obj->phys_info.velocity.z = -joy_y * 8192;
1429 if (!rotang.head) rotang.head = fixmul(joy_x * 512,FrameTime);
1431 if (joyx_moved) old_joy_x = joy_x;
1432 if (joyy_moved) old_joy_y = joy_y;
1435 moved = rotang.pitch | rotang.bank | rotang.head;
1437 vm_angles_2_matrix(&rotmat,&rotang);
1438 vm_matrix_x_matrix(&new_pm,&obj->orient,&rotmat);
1439 obj->orient = new_pm;
1440 vm_transpose_matrix(&new_pm); //make those columns rows
1442 moved |= obj->phys_info.velocity.x | obj->phys_info.velocity.y | obj->phys_info.velocity.z;
1444 svel = obj->phys_info.velocity;
1445 vm_vec_scale(&svel,FrameTime); //movement in this frame
1446 vm_vec_rotate(&movement,&svel,&new_pm);
1448 vm_vec_add2(&obj->pos,&movement);
1450 moved |= (movement.x || movement.y || movement.z);
1459 #define STATION_DIST i2f(1024)
1461 int convert_ext( char *dest, char *ext )
1465 t = strchr(dest,'.');
1467 if (t && (t-dest <= 8)) {
1477 //called for each level to load & setup the exit sequence
1478 void load_endlevel_data(int level_num)
1481 char line[LINE_LEN],*p;
1483 int var,segnum,sidenum;
1485 int have_binary = 0;
1487 endlevel_data_loaded = 0; //not loaded yet
1492 if (level_num<0) //secret level
1493 strcpy(filename,Secret_level_names[-level_num-1]);
1495 strcpy(filename,Level_names[level_num-1]);
1497 if (!convert_ext(filename,"END"))
1498 Error("Error converting filename <%s> for endlevel data\n",filename);
1500 ifile = cfopen(filename,"rb");
1504 convert_ext(filename,"txb");
1506 ifile = cfopen(filename,"rb");
1510 Error("Cannot load file text of binary version of <%s>",filename);
1521 //ok...this parser is pretty simple. It ignores comments, but
1522 //everything else must be in the right place
1526 while (cfgets(line,LINE_LEN,ifile)) {
1529 for (i = 0; i < strlen(line) - 1; i++) {
1530 encode_rotate_left(&(line[i]));
1531 line[i] = line[i] ^ BITMAP_TBL_XOR;
1532 encode_rotate_left(&(line[i]));
1537 if ((p=strchr(line,';'))!=NULL)
1538 *p = 0; //cut off comment
1540 for (p=line+strlen(line)-1;p>line && isspace(*p);*p--=0);
1541 for (p=line;isspace(*p);p++);
1543 if (!*p) //empty line
1548 case 0: { //ground terrain
1552 if (terrain_bm_instance.bm_data)
1553 d_free(terrain_bm_instance.bm_data);
1555 Assert(terrain_bm_instance.bm_data == NULL);
1557 iff_error = iff_read_bitmap(p,&terrain_bm_instance,BM_LINEAR,pal);
1558 if (iff_error != IFF_NO_ERROR) {
1559 mprintf((1, "File %s - IFF error: %s",p,iff_errormsg(iff_error)));
1560 Error("File %s - IFF error: %s",p,iff_errormsg(iff_error));
1563 terrain_bitmap = &terrain_bm_instance;
1565 gr_remap_bitmap_good( terrain_bitmap, pal, iff_transparent_color, -1);
1570 case 1: //height map
1578 sscanf(p,"%d,%d",&exit_point_bmx,&exit_point_bmy);
1581 case 3: //exit heading
1583 exit_angles.h = i2f(atoi(p))/360;
1586 case 4: { //planet bitmap
1590 if (satellite_bm_instance.bm_data)
1591 d_free(satellite_bm_instance.bm_data);
1593 iff_error = iff_read_bitmap(p,&satellite_bm_instance,BM_LINEAR,pal);
1594 if (iff_error != IFF_NO_ERROR) {
1595 mprintf((1, "File %s - IFF error: %s",p,iff_errormsg(iff_error)));
1596 Error("File %s - IFF error: %s",p,iff_errormsg(iff_error));
1599 satellite_bitmap = &satellite_bm_instance;
1600 gr_remap_bitmap_good( satellite_bitmap, pal, iff_transparent_color, -1);
1606 case 7: { //station pos
1611 sscanf(p,"%d,%d",&head,&pitch);
1613 ta.h = i2f(head)/360;
1614 ta.p = -i2f(pitch)/360;
1617 vm_angles_2_matrix(&tm,&ta);
1620 satellite_pos = tm.fvec;
1621 //vm_vec_copy_scale(&satellite_pos,&tm.fvec,SATELLITE_DIST);
1623 station_pos = tm.fvec;
1628 case 6: //planet size
1629 satellite_size = i2f(atoi(p));
1637 Assert(var == NUM_VARS);
1640 // OK, now the data is loaded. Initialize everything
1642 //find the exit sequence by searching all segments for a side with
1645 for (segnum=0,exit_segnum=-1;exit_segnum==-1 && segnum<=Highest_segment_index;segnum++)
1646 for (sidenum=0;sidenum<6;sidenum++)
1647 if (Segments[segnum].children[sidenum] == -2) {
1648 exit_segnum = segnum;
1649 exit_side = sidenum;
1653 Assert(exit_segnum!=-1);
1655 compute_segment_center(&mine_exit_point,&Segments[exit_segnum]);
1656 extract_orient_from_segment(&mine_exit_orient,&Segments[exit_segnum]);
1657 compute_center_point_on_side(&mine_side_exit_point,&Segments[exit_segnum],exit_side);
1659 vm_vec_scale_add(&mine_ground_exit_point,&mine_exit_point,&mine_exit_orient.uvec,-i2f(20));
1661 //compute orientation of surface
1664 vms_matrix exit_orient,tm;
1666 vm_angles_2_matrix(&exit_orient,&exit_angles);
1667 vm_transpose_matrix(&exit_orient);
1668 vm_matrix_x_matrix(&surface_orient,&mine_exit_orient,&exit_orient);
1670 vm_copy_transpose_matrix(&tm,&surface_orient);
1671 vm_vec_rotate(&tv,&station_pos,&tm);
1672 vm_vec_scale_add(&station_pos,&mine_exit_point,&tv,STATION_DIST);
1674 vm_vec_rotate(&tv,&satellite_pos,&tm);
1675 vm_vec_scale_add(&satellite_pos,&mine_exit_point,&tv,SATELLITE_DIST);
1677 vm_vector_2_matrix(&tm,&tv,&surface_orient.uvec,NULL);
1678 vm_vec_copy_scale(&satellite_upvec,&tm.uvec,SATELLITE_HEIGHT);
1685 endlevel_data_loaded = 1;