1 /* $Id: endlevel.c,v 1.21 2004-08-28 23:17:45 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
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 for rendering external scenes
26 static char rcsid[] = "$Id: endlevel.c,v 1.21 2004-08-28 23:17:45 schaffner Exp $";
38 #include <ctype.h> // for isspace
79 typedef struct flythrough_data {
81 vms_angvec angles; //orientation in angles
82 vms_vector step; //how far in a second
83 vms_vector angstep; //rotation per second
84 fix speed; //how fast object is moving
85 vms_vector headvec; //where we want to be pointing
86 int first_time; //flag for if first time through
87 fix offset_frac; //how far off-center as portion of way
88 fix offset_dist; //how far currently off-center
91 //endlevel sequence states
93 #define EL_OFF 0 //not in endlevel
94 #define EL_FLYTHROUGH 1 //auto-flythrough in tunnel
95 #define EL_LOOKBACK 2 //looking back at player
96 #define EL_OUTSIDE 3 //flying outside for a while
97 #define EL_STOPPED 4 //stopped, watching explosion
98 #define EL_PANNING 5 //panning around, watching player
99 #define EL_CHASING 6 //chasing player to station
101 #define SHORT_SEQUENCE 1 //if defined, end sequnce when panning starts
102 //#define STATION_ENABLED 1 //if defined, load & use space station model
104 int Endlevel_sequence = 0;
106 extern fix player_speed;
108 int transition_segnum,exit_segnum;
110 object *endlevel_camera;
112 #define FLY_SPEED i2f(50)
114 void do_endlevel_flythrough(int n);
116 int find_exit_side(object *obj);
117 void generate_starfield();
118 void start_endlevel_flythrough(int n,object *obj,fix speed);
119 void start_rendered_endlevel_sequence();
122 char movie_table[] = { 'a','a','a','a','d','d','d','d' };
124 char movie_table[] = { 'a','b','c',
136 #define N_MOVIES (sizeof(movie_table) / sizeof(*movie_table))
140 char movie_table_secret[] = {'a','d'};
142 char movie_table_secret[] = {'a','d','g','j','m','p'};
144 #define N_MOVIES_SECRET (sizeof(movie_table_secret) / sizeof(*movie_table_secret))
146 #define N_MOVIES_SECRET 0
150 #define FLY_ACCEL i2f(5)
152 fix cur_fly_speed,desired_fly_speed;
154 extern int matt_find_connect_side(int seg0,int seg1);
156 grs_bitmap *satellite_bitmap,*station_bitmap,*terrain_bitmap; //!!*exit_bitmap,
157 vms_vector satellite_pos,satellite_upvec;
158 //!!grs_bitmap **exit_bitmap_list[1];
159 int station_modelnum,exit_modelnum,destroyed_exit_modelnum;
161 vms_vector station_pos = {0xf8c4<<10,0x3c1c<<12,0x372<<10};
163 #ifdef STATION_ENABLED
164 grs_bitmap *station_bitmap;
165 grs_bitmap **station_bitmap_list[1];
166 int station_modelnum;
169 vms_vector mine_exit_point;
170 vms_vector mine_ground_exit_point;
171 vms_vector mine_side_exit_point;
172 vms_matrix mine_exit_orient;
176 grs_bitmap terrain_bm_instance;
177 grs_bitmap satellite_bm_instance;
179 //find delta between two angles
180 fixang delta_ang(fixang a,fixang b)
182 fixang delta0,delta1;
184 return (abs(delta0 = a - b) < abs(delta1 = b - a)) ? delta0 : delta1;
188 //return though which side of seg0 is seg1
189 int matt_find_connect_side(int seg0,int seg1)
191 segment *Seg=&Segments[seg0];
194 for (i=MAX_SIDES_PER_SEGMENT;i--;) if (Seg->children[i]==seg1) return i;
199 extern int Kmatrix_nomovie_message;
201 #if defined(D2_OEM) || defined(COMPILATION)
202 #define MOVIE_REQUIRED 0
204 #define MOVIE_REQUIRED 1
207 //returns movie played status. see movie.h
208 int start_endlevel_movie()
210 char movie_name[] = "esa.mve";
214 //Assert(Current_mission_num == Builtin_mission_num); //only play movie for built-in mission
216 //Assert(N_MOVIES >= Last_level);
217 //Assert(N_MOVIES_SECRET >= -Last_secret_level);
220 if (Current_level_num == Last_level)
221 return 1; //don't play movie
223 if (Current_level_num > 0)
224 movie_name[2] = movie_table[Current_level_num-1];
227 return 0; //no escapes for secret level
229 Error("Invalid level number <%d>",Current_level_num);
233 memcpy(save_pal,gr_palette,768);
236 r=PlayMovie(movie_name,(Game_mode & GM_MULTI)?0:MOVIE_REQUIRED);
238 return 0; // movie not played for shareware
241 if (Newdemo_state == ND_STATE_PLAYBACK) {
242 set_screen_mode(SCREEN_GAME);
243 memcpy(gr_palette,save_pal,768);
247 if (r==MOVIE_NOT_PLAYED && (Game_mode & GM_MULTI))
248 Kmatrix_nomovie_message=1;
250 Kmatrix_nomovie_message=0;
260 if (terrain_bm_instance.bm_data)
261 d_free(terrain_bm_instance.bm_data);
263 if (satellite_bm_instance.bm_data)
264 d_free(satellite_bm_instance.bm_data);
269 //##satellite_bitmap = bm_load("earth.bbm");
270 //##terrain_bitmap = bm_load("moon.bbm");
272 //##load_terrain("matt5b.bbm"); //load bitmap as height array
273 //##//load_terrain("ttest2.bbm"); //load bitmap as height array
275 #ifdef STATION_ENABLED
276 station_bitmap = bm_load("steel3.bbm");
277 station_bitmap_list[0] = &station_bitmap;
279 station_modelnum = load_polygon_model("station.pof",1,station_bitmap_list,NULL);
282 //!! exit_bitmap = bm_load("steel1.bbm");
283 //!! exit_bitmap_list[0] = &exit_bitmap;
285 //!! exit_modelnum = load_polygon_model("exit01.pof",1,exit_bitmap_list,NULL);
286 //!! destroyed_exit_modelnum = load_polygon_model("exit01d.pof",1,exit_bitmap_list,NULL);
288 generate_starfield();
290 atexit(free_endlevel_data);
292 terrain_bm_instance.bm_data = satellite_bm_instance.bm_data = NULL;
295 object external_explosion;
296 int ext_expl_playing,mine_destroyed;
298 extern fix flash_scale;
300 vms_angvec exit_angles={-0xa00,0,0};
302 vms_matrix surface_orient;
304 int endlevel_data_loaded=0;
305 extern char last_palette_loaded[];
307 void start_endlevel_sequence()
310 int movie_played = MOVIE_NOT_PLAYED;
312 if (Newdemo_state == ND_STATE_RECORDING) // stop demo recording
313 Newdemo_state = ND_STATE_PAUSED;
315 if (Newdemo_state == ND_STATE_PLAYBACK) { // don't do this if in playback mode
316 if (Current_mission_num == Builtin_mission_num) //only play movie for built-in mission
317 start_endlevel_movie();
318 strcpy(last_palette_loaded,""); //force palette load next time
322 if (Player_is_dead || ConsoleObject->flags&OF_SHOULD_BE_DEAD)
323 return; //don't start if dead!
325 // Dematerialize Buddy!
326 for (i=0; i<=Highest_object_index; i++)
327 if (Objects[i].type == OBJ_ROBOT)
328 if (Robot_info[Objects[i].id].companion) {
329 object_create_explosion(Objects[i].segnum, &Objects[i].pos, F1_0*7/2, VCLIP_POWERUP_DISAPPEARANCE );
330 Objects[i].flags |= OF_SHOULD_BE_DEAD;
333 Players[Player_num].homing_object_dist = -F1_0; // Turn off homing sound.
335 reset_rear_view(); //turn off rear view if set
338 if (Game_mode & GM_MULTI) {
339 multi_send_endlevel_start(0);
340 network_do_frame(1, 1);
344 if (Current_mission_num == Builtin_mission_num) {
345 // only play movie for built-in mission
346 if (!(Game_mode & GM_MULTI))
347 movie_played = start_endlevel_movie();
350 if (!(Game_mode & GM_MULTI) && (movie_played == MOVIE_NOT_PLAYED) && endlevel_data_loaded)
351 { //don't have movie. Do rendered sequence, if available
352 int exit_models_loaded = 0;
354 if (Piggy_hamfile_version < 3)
355 exit_models_loaded = 1; // built-in for PC shareware
358 exit_models_loaded = load_exit_models();
361 if (exit_models_loaded)
363 start_rendered_endlevel_sequence();
369 //don't have movie or rendered sequence, fade out
370 gr_palette_fade_out(gr_palette, 32, 0);
372 PlayerFinishedLevel(0); //done with level
375 static int cockpit_mode_save;
377 void start_rendered_endlevel_sequence()
379 int last_segnum,exit_side,tunnel_length;
382 int segnum,old_segnum,entry_side,i;
384 //count segments in exit tunnel
386 old_segnum = ConsoleObject->segnum;
387 exit_side = find_exit_side(ConsoleObject);
388 segnum = Segments[old_segnum].children[exit_side];
391 entry_side = matt_find_connect_side(segnum,old_segnum);
392 exit_side = Side_opposite[entry_side];
394 segnum = Segments[segnum].children[exit_side];
396 } while (segnum >= 0);
399 PlayerFinishedLevel(0); //don't do special sequence
403 last_segnum = old_segnum;
405 //now pick transition segnum 1/3 of the way in
407 old_segnum = ConsoleObject->segnum;
408 exit_side = find_exit_side(ConsoleObject);
409 segnum = Segments[old_segnum].children[exit_side];
413 entry_side = matt_find_connect_side(segnum,old_segnum);
414 exit_side = Side_opposite[entry_side];
416 segnum = Segments[segnum].children[exit_side];
418 transition_segnum = segnum;
422 cockpit_mode_save = Cockpit_mode;
425 if (Game_mode & GM_MULTI) {
426 multi_send_endlevel_start(0);
427 network_do_frame(1, 1);
432 Assert(last_segnum == exit_segnum);
433 // songs_play_song( SONG_ENDLEVEL, 0 ); // JTS: Until we get an exit song, just don't worry
436 Endlevel_sequence = EL_FLYTHROUGH;
438 ConsoleObject->movement_type = MT_NONE; //movement handled by flythrough
439 ConsoleObject->control_type = CT_NONE;
441 Game_suspended |= SUSP_ROBOTS; //robots don't move
443 cur_fly_speed = desired_fly_speed = FLY_SPEED;
445 start_endlevel_flythrough(0,ConsoleObject,cur_fly_speed); //initialize
447 HUD_init_message( TXT_EXIT_SEQUENCE );
449 outside_mine = ext_expl_playing = 0;
459 extern flythrough_data fly_objects[];
461 extern object *slew_obj;
463 vms_angvec player_angles,player_dest_angles;
464 vms_angvec camera_desired_angles,camera_cur_angles;
466 #define CHASE_TURN_RATE (0x4000/4) //max turn per second
468 //returns bitmask of which angles are at dest. bits 0,1,2 = p,b,h
469 int chase_angles(vms_angvec *cur_angles,vms_angvec *desired_angles)
471 vms_angvec delta_angs,alt_angles,alt_delta_angs;
472 fix total_delta,alt_total_delta;
476 delta_angs.p = desired_angles->p - cur_angles->p;
477 delta_angs.h = desired_angles->h - cur_angles->h;
478 delta_angs.b = desired_angles->b - cur_angles->b;
481 //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);
483 total_delta = abs(delta_angs.p) + abs(delta_angs.b) + abs(delta_angs.h);
485 alt_angles.p = f1_0/2 - cur_angles->p;
486 alt_angles.b = cur_angles->b + f1_0/2;
487 alt_angles.h = cur_angles->h + f1_0/2;
489 alt_delta_angs.p = desired_angles->p - alt_angles.p;
490 alt_delta_angs.h = desired_angles->h - alt_angles.h;
491 alt_delta_angs.b = desired_angles->b - alt_angles.b;
492 //alt_delta_angs.b = 0;
494 alt_total_delta = abs(alt_delta_angs.p) + abs(alt_delta_angs.b) + abs(alt_delta_angs.h);
496 //printf("Total delta = %x, alt total_delta = %x\n",total_delta,alt_total_delta);
498 if (alt_total_delta < total_delta) {
499 //mprintf((0,"FLIPPING ANGLES!\n"));
500 //printf("FLIPPING ANGLES!\n");
501 *cur_angles = alt_angles;
502 delta_angs = alt_delta_angs;
505 frame_turn = fixmul(FrameTime,CHASE_TURN_RATE);
507 if (abs(delta_angs.p) < frame_turn) {
508 cur_angles->p = desired_angles->p;
512 if (delta_angs.p > 0)
513 cur_angles->p += frame_turn;
515 cur_angles->p -= frame_turn;
517 if (abs(delta_angs.b) < frame_turn) {
518 cur_angles->b = desired_angles->b;
522 if (delta_angs.b > 0)
523 cur_angles->b += frame_turn;
525 cur_angles->b -= frame_turn;
528 if (abs(delta_angs.h) < frame_turn) {
529 cur_angles->h = desired_angles->h;
533 if (delta_angs.h > 0)
534 cur_angles->h += frame_turn;
536 cur_angles->h -= frame_turn;
541 void stop_endlevel_sequence()
543 Interpolation_method = 0;
545 gr_palette_fade_out(gr_palette, 32, 0);
547 select_cockpit(cockpit_mode_save);
549 Endlevel_sequence = EL_OFF;
551 PlayerFinishedLevel(0);
555 #define VCLIP_BIG_PLAYER_EXPLOSION 58
557 //--unused-- vms_vector upvec = {0,f1_0,0};
559 //find the angle between the player's heading & the station
560 void get_angs_to_object(vms_angvec *av,vms_vector *targ_pos,vms_vector *cur_pos)
564 vm_vec_sub(&tv,targ_pos,cur_pos);
566 vm_extract_angles_vector(av,&tv);
569 void do_endlevel_frame()
572 static fix bank_rate;
573 vms_vector save_last_pos;
574 static fix explosion_wait1=0;
575 static fix explosion_wait2=0;
576 static fix ext_expl_halflife;
578 save_last_pos = ConsoleObject->last_pos; //don't let move code change this
580 ConsoleObject->last_pos = save_last_pos;
582 if (ext_expl_playing) {
584 external_explosion.lifeleft -= FrameTime;
585 do_explosion_sequence(&external_explosion);
587 if (external_explosion.lifeleft < ext_expl_halflife)
590 if (external_explosion.flags & OF_SHOULD_BE_DEAD)
591 ext_expl_playing = 0;
594 if (cur_fly_speed != desired_fly_speed) {
595 fix delta = desired_fly_speed - cur_fly_speed;
596 fix frame_accel = fixmul(FrameTime,FLY_ACCEL);
598 if (abs(delta) < frame_accel)
599 cur_fly_speed = desired_fly_speed;
602 cur_fly_speed += frame_accel;
604 cur_fly_speed -= frame_accel;
610 if (Endlevel_sequence==EL_OUTSIDE) {
613 vm_vec_sub(&tvec,&ConsoleObject->pos,&mine_side_exit_point);
615 if (vm_vec_dot(&tvec,&mine_exit_orient.fvec) > 0) {
620 tobj = object_create_explosion(exit_segnum,&mine_side_exit_point,i2f(50),VCLIP_BIG_PLAYER_EXPLOSION);
623 external_explosion = *tobj;
625 tobj->flags |= OF_SHOULD_BE_DEAD;
627 flash_scale = 0; //kill lights in mine
629 ext_expl_halflife = tobj->lifeleft;
631 ext_expl_playing = 1;
634 digi_link_sound_to_pos( SOUND_BIG_ENDLEVEL_EXPLOSION, exit_segnum, 0, &mine_side_exit_point, 0, i2f(3)/4 );
638 //do explosions chasing player
639 if ((explosion_wait1-=FrameTime) < 0) {
643 static int sound_count;
645 vm_vec_scale_add(&tpnt,&ConsoleObject->pos,&ConsoleObject->orient.fvec,-ConsoleObject->size*5);
646 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*15);
647 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*15);
649 segnum = find_point_seg(&tpnt,ConsoleObject->segnum);
652 expl = object_create_explosion(segnum,&tpnt,i2f(20),VCLIP_BIG_PLAYER_EXPLOSION);
653 if (d_rand()<10000 || ++sound_count==7) { //pseudo-random
654 digi_link_sound_to_pos( SOUND_TUNNEL_EXPLOSION, segnum, 0, &tpnt, 0, F1_0 );
659 explosion_wait1 = 0x2000 + d_rand()/4;
664 //do little explosions on walls
665 if (Endlevel_sequence >= EL_FLYTHROUGH && Endlevel_sequence < EL_OUTSIDE)
666 if ((explosion_wait2-=FrameTime) < 0) {
671 //create little explosion on wall
673 vm_vec_copy_scale(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*100);
674 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*100);
675 vm_vec_add2(&tpnt,&ConsoleObject->pos);
677 if (Endlevel_sequence == EL_FLYTHROUGH)
678 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*200);
680 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*60);
682 //find hit point on wall
684 fq.p0 = &ConsoleObject->pos;
686 fq.startseg = ConsoleObject->segnum;
689 fq.ignore_obj_list = NULL;
692 find_vector_intersection(&fq,&hit_data);
694 if (hit_data.hit_type==HIT_WALL && hit_data.hit_seg!=-1)
695 object_create_explosion(hit_data.hit_seg,&hit_data.hit_pnt,i2f(3)+d_rand()*6,VCLIP_SMALL_EXPLOSION);
697 explosion_wait2 = (0xa00 + d_rand()/8)/2;
700 switch (Endlevel_sequence) {
704 case EL_FLYTHROUGH: {
706 do_endlevel_flythrough(0);
708 if (ConsoleObject->segnum == transition_segnum) {
710 if ((Current_mission_num == Builtin_mission_num) &&
711 (start_endlevel_movie() != MOVIE_NOT_PLAYED))
712 stop_endlevel_sequence();
716 //songs_play_song( SONG_ENDLEVEL, 0 );
718 Endlevel_sequence = EL_LOOKBACK;
720 objnum = obj_create(OBJ_CAMERA, 0,
721 ConsoleObject->segnum,&ConsoleObject->pos,&ConsoleObject->orient,0,
722 CT_NONE,MT_NONE,RT_NONE);
724 if (objnum == -1) { //can't get object, so abort
725 mprintf((1, "Can't get object for endlevel sequence. Aborting endlevel sequence.\n"));
726 stop_endlevel_sequence();
730 Viewer = endlevel_camera = &Objects[objnum];
732 select_cockpit(CM_LETTERBOX);
734 fly_objects[1] = fly_objects[0];
735 fly_objects[1].obj = endlevel_camera;
736 fly_objects[1].speed = (5*cur_fly_speed)/4;
737 fly_objects[1].offset_frac = 0x4000;
739 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,i2f(7));
752 do_endlevel_flythrough(0);
753 do_endlevel_flythrough(1);
759 if (timer < 0) //reduce speed
760 fly_objects[1].speed = fly_objects[0].speed;
763 if (endlevel_camera->segnum == exit_segnum) {
764 vms_angvec cam_angles,exit_seg_angles;
766 Endlevel_sequence = EL_OUTSIDE;
770 vm_vec_negate(&endlevel_camera->orient.fvec);
771 vm_vec_negate(&endlevel_camera->orient.rvec);
773 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
774 vm_extract_angles_matrix(&exit_seg_angles,&mine_exit_orient);
775 bank_rate = (-exit_seg_angles.b - cam_angles.b)/2;
777 ConsoleObject->control_type = endlevel_camera->control_type = CT_NONE;
780 slew_obj = endlevel_camera;
789 vms_angvec cam_angles;
792 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
794 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,-2*cur_fly_speed));
795 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.uvec,fixmul(FrameTime,-cur_fly_speed/10));
797 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
798 cam_angles.b += fixmul(bank_rate,FrameTime);
799 vm_angles_2_matrix(&endlevel_camera->orient,&cam_angles);
806 Endlevel_sequence = EL_STOPPED;
808 vm_extract_angles_matrix(&player_angles,&ConsoleObject->orient);
819 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
820 chase_angles(&player_angles,&player_dest_angles);
821 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
823 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
830 slew_obj = endlevel_camera;
831 _do_slew_movement(endlevel_camera,1,1);
832 timer += FrameTime; //make time stop
836 #ifdef SHORT_SEQUENCE
838 stop_endlevel_sequence();
841 Endlevel_sequence = EL_PANNING;
843 vm_extract_angles_matrix(&camera_cur_angles,&endlevel_camera->orient);
848 if (Game_mode & GM_MULTI) { // try to skip part of the seq if multiplayer
849 stop_endlevel_sequence();
853 //mprintf((0,"Switching to pan...\n"));
854 #endif //SHORT_SEQUENCE
861 #ifndef SHORT_SEQUENCE
867 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
868 chase_angles(&player_angles,&player_dest_angles);
869 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
870 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
873 _do_slew_movement(endlevel_camera,1,1);
876 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
877 mask = chase_angles(&camera_cur_angles,&camera_desired_angles);
878 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
884 Endlevel_sequence = EL_CHASING;
886 vm_vec_normalized_dir_quick(&tvec,&station_pos,&ConsoleObject->pos);
887 vm_vector_2_matrix(&ConsoleObject->orient,&tvec,&surface_orient.uvec,NULL);
889 desired_fly_speed *= 2;
891 //mprintf((0,"Switching to chase...\n"));
903 _do_slew_movement(endlevel_camera,1,1);
906 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
907 chase_angles(&camera_cur_angles,&camera_desired_angles);
910 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
913 d = vm_vec_dist_quick(&ConsoleObject->pos,&endlevel_camera->pos);
915 speed_scale = fixdiv(d,i2f(0x20));
918 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
919 chase_angles(&player_angles,&player_dest_angles);
920 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
922 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
924 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,fixmul(speed_scale,cur_fly_speed)));
926 if (vm_vec_dist(&ConsoleObject->pos,&station_pos) < i2f(10))
927 stop_endlevel_sequence();
933 #endif //ifdef SHORT_SEQUENCE
941 //find which side to fly out of
942 int find_exit_side(object *obj)
945 vms_vector prefvec,segcenter,sidevec;
948 segment *pseg = &Segments[obj->segnum];
952 vm_vec_normalized_dir_quick(&prefvec,&obj->pos,&obj->last_pos);
954 compute_segment_center(&segcenter,pseg);
957 for (i=MAX_SIDES_PER_SEGMENT;--i >= 0;) {
960 if (pseg->children[i]!=-1) {
962 compute_center_point_on_side(&sidevec,pseg,i);
963 vm_vec_normalized_dir_quick(&sidevec,&sidevec,&segcenter);
964 d = vm_vec_dotprod(&sidevec,&prefvec);
966 if (labs(d) < MIN_D) d=0;
968 if (d > best_val) {best_val=d; best_side=i;}
973 Assert(best_side!=-1);
978 extern fix Render_zoom; //the player's zoom factor
980 extern vms_vector Viewer_eye; //valid during render
982 void draw_exit_model()
984 vms_vector model_pos;
987 vm_vec_scale_add(&model_pos,&mine_exit_point,&mine_exit_orient.fvec,i2f(f));
988 vm_vec_scale_add2(&model_pos,&mine_exit_orient.uvec,i2f(u));
990 draw_polygon_model(&model_pos,&mine_exit_orient,NULL,(mine_destroyed)?destroyed_exit_modelnum:exit_modelnum,0,f1_0,NULL,NULL);
994 int exit_point_bmx,exit_point_bmy;
996 fix satellite_size = i2f(400);
998 #define SATELLITE_DIST i2f(1024)
999 #define SATELLITE_WIDTH satellite_size
1000 #define SATELLITE_HEIGHT ((satellite_size*9)/4) //((satellite_size*5)/2)
1002 void render_external_scene(fix eye_offset)
1005 Viewer_eye = Viewer->pos;
1008 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1010 g3_set_view_matrix(&Viewer->pos,&Viewer->orient,Render_zoom);
1012 //g3_draw_horizon(BM_XRGB(0,0,0),BM_XRGB(16,16,16)); //,-1);
1013 gr_clear_canvas(BM_XRGB(0,0,0));
1015 g3_start_instance_matrix(&vmd_zero_vector,&surface_orient);
1022 g3s_point p,top_pnt;
1024 g3_rotate_point(&p,&satellite_pos);
1025 g3_rotate_delta_vec(&delta,&satellite_upvec);
1027 g3_add_delta_vec(&top_pnt,&p,&delta);
1029 if (! (p.p3_codes & CC_BEHIND)) {
1030 int save_im = Interpolation_method;
1031 //p.p3_flags &= ~PF_PROJECTED;
1032 //g3_project_point(&p);
1033 if (! (p.p3_flags & PF_OVERFLOW)) {
1034 Interpolation_method = 0;
1035 //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1036 g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1037 Interpolation_method = save_im;
1042 #ifdef STATION_ENABLED
1043 draw_polygon_model(&station_pos,&vmd_identity_matrix,NULL,station_modelnum,0,f1_0,NULL,NULL);
1046 render_terrain(&mine_ground_exit_point,exit_point_bmx,exit_point_bmy);
1049 if (ext_expl_playing)
1050 draw_fireball(&external_explosion);
1053 render_object(ConsoleObject);
1057 #define MAX_STARS 500
1059 vms_vector stars[MAX_STARS];
1061 void generate_starfield()
1065 for (i=0;i<MAX_STARS;i++) {
1067 stars[i].x = (d_rand() - RAND_MAX/2) << 14;
1068 stars[i].z = (d_rand() - RAND_MAX/2) << 14;
1069 stars[i].y = (d_rand()/2) << 14;
1080 for (i=0;i<MAX_STARS;i++) {
1083 gr_setcolor(BM_XRGB(intensity,intensity,intensity));
1087 //g3_rotate_point(&p,&stars[i]);
1088 g3_rotate_delta_vec(&p.p3_vec,&stars[i]);
1091 if (p.p3_codes == 0) {
1093 p.p3_flags &= ~PF_PROJECTED;
1095 g3_project_point(&p);
1097 gr_pixel(f2i(p.p3_sx),f2i(p.p3_sy));
1102 //@@ vms_vector delta;
1103 //@@ g3s_point top_pnt;
1105 //@@ g3_rotate_point(&p,&satellite_pos);
1106 //@@ g3_rotate_delta_vec(&delta,&satellite_upvec);
1108 //@@ g3_add_delta_vec(&top_pnt,&p,&delta);
1110 //@@ if (! (p.p3_codes & CC_BEHIND)) {
1111 //@@ int save_im = Interpolation_method;
1112 //@@ Interpolation_method = 0;
1113 //@@ //p.p3_flags &= ~PF_PROJECTED;
1114 //@@ g3_project_point(&p);
1115 //@@ if (! (p.p3_flags & PF_OVERFLOW))
1116 //@@ //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1117 //@@ g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1118 //@@ Interpolation_method = save_im;
1124 void endlevel_render_mine(fix eye_offset)
1128 Viewer_eye = Viewer->pos;
1130 if (Viewer->type == OBJ_PLAYER )
1131 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.fvec,(Viewer->size*3)/4);
1134 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1137 if (Function_mode==FMODE_EDITOR)
1138 Viewer_eye = Viewer->pos;
1141 if (Endlevel_sequence >= EL_OUTSIDE) {
1143 start_seg_num = exit_segnum;
1146 start_seg_num = find_point_seg(&Viewer_eye,Viewer->segnum);
1148 if (start_seg_num==-1)
1149 start_seg_num = Viewer->segnum;
1152 if (Endlevel_sequence == EL_LOOKBACK) {
1153 vms_matrix headm,viewm;
1154 vms_angvec angles = {0,0,0x7fff};
1156 vm_angles_2_matrix(&headm,&angles);
1157 vm_matrix_x_matrix(&viewm,&Viewer->orient,&headm);
1158 g3_set_view_matrix(&Viewer_eye,&viewm,Render_zoom);
1161 g3_set_view_matrix(&Viewer_eye,&Viewer->orient,Render_zoom);
1163 render_mine(start_seg_num,eye_offset, 0);
1166 void render_endlevel_frame(fix eye_offset)
1171 if (Endlevel_sequence < EL_OUTSIDE)
1172 endlevel_render_mine(eye_offset);
1174 render_external_scene(eye_offset);
1181 ///////////////////////// copy of flythrough code for endlevel
1184 #define MAX_FLY_OBJECTS 2
1186 flythrough_data fly_objects[MAX_FLY_OBJECTS];
1188 flythrough_data *flydata;
1190 int matt_find_connect_side(int seg0,int seg1);
1192 void compute_segment_center(vms_vector *vp,segment *sp);
1194 fixang delta_ang(fixang a,fixang b);
1195 fixang interp_angle(fixang dest,fixang src,fixang step);
1197 #define DEFAULT_SPEED i2f(16)
1201 //if speed is zero, use default speed
1202 void start_endlevel_flythrough(int n,object *obj,fix speed)
1204 flydata = &fly_objects[n];
1208 flydata->first_time = 1;
1210 flydata->speed = speed?speed:DEFAULT_SPEED;
1212 flydata->offset_frac = 0;
1215 static vms_angvec *angvec_add2_scale(vms_angvec *dest,vms_vector *src,fix s)
1217 dest->p += fixmul(src->x,s);
1218 dest->b += fixmul(src->z,s);
1219 dest->h += fixmul(src->y,s);
1224 #define MAX_ANGSTEP 0x4000 //max turn per second
1226 #define MAX_SLIDE_PER_SEGMENT 0x10000
1228 void do_endlevel_flythrough(int n)
1234 flydata = &fly_objects[n];
1237 old_player_seg = obj->segnum;
1239 //move the player for this frame
1241 if (!flydata->first_time) {
1243 vm_vec_scale_add2(&obj->pos,&flydata->step,FrameTime);
1244 angvec_add2_scale(&flydata->angles,&flydata->angstep,FrameTime);
1246 vm_angles_2_matrix(&obj->orient,&flydata->angles);
1249 //check new player seg
1251 update_object_seg(obj);
1252 pseg = &Segments[obj->segnum];
1254 if (flydata->first_time || obj->segnum != old_player_seg) { //moved into new seg
1255 vms_vector curcenter,nextcenter;
1256 fix step_size,seg_time;
1257 short entry_side,exit_side = -1;//what sides we entry and leave through
1258 vms_vector dest_point; //where we are heading (center of exit_side)
1259 vms_angvec dest_angles; //where we want to be pointing
1260 vms_matrix dest_orient;
1265 //find new exit side
1267 if (!flydata->first_time) {
1269 entry_side = matt_find_connect_side(obj->segnum,old_player_seg);
1270 exit_side = Side_opposite[entry_side];
1273 if (flydata->first_time || entry_side==-1 || pseg->children[exit_side]==-1)
1274 exit_side = find_exit_side(obj);
1276 { //find closest side to align to
1277 fix d,largest_d=-f1_0;
1283 get_side_normal(pseg, i, 0, &v1 );
1284 d = vm_vec_dot(&v1,&flydata->obj->orient.uvec);
1286 d = vm_vec_dot(&pseg->sides[i].normals[0],&flydata->obj->orient.uvec);
1288 if (d > largest_d) {largest_d = d; up_side=i;}
1293 //update target point & angles
1295 compute_center_point_on_side(&dest_point,pseg,exit_side);
1297 //update target point and movement points
1299 //offset object sideways
1300 if (flydata->offset_frac) {
1306 if (i!=entry_side && i!=exit_side && i!=up_side && i!=Side_opposite[up_side])
1314 compute_center_point_on_side(&s0p,pseg,s0);
1315 compute_center_point_on_side(&s1p,pseg,s1);
1316 dist = fixmul(vm_vec_dist(&s0p,&s1p),flydata->offset_frac);
1318 if (dist-flydata->offset_dist > MAX_SLIDE_PER_SEGMENT)
1319 dist = flydata->offset_dist + MAX_SLIDE_PER_SEGMENT;
1321 flydata->offset_dist = dist;
1323 vm_vec_scale_add2(&dest_point,&obj->orient.rvec,dist);
1327 vm_vec_sub(&flydata->step,&dest_point,&obj->pos);
1328 step_size = vm_vec_normalize_quick(&flydata->step);
1329 vm_vec_scale(&flydata->step,flydata->speed);
1331 compute_segment_center(&curcenter,pseg);
1332 compute_segment_center(&nextcenter,&Segments[pseg->children[exit_side]]);
1333 vm_vec_sub(&flydata->headvec,&nextcenter,&curcenter);
1338 get_side_normal(pseg, up_side, 0, &_v1 );
1339 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&_v1,NULL);
1342 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&pseg->sides[up_side].normals[0],NULL);
1344 vm_extract_angles_matrix(&dest_angles,&dest_orient);
1346 if (flydata->first_time)
1347 vm_extract_angles_matrix(&flydata->angles,&obj->orient);
1349 seg_time = fixdiv(step_size,flydata->speed); //how long through seg
1352 flydata->angstep.x = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.p,dest_angles.p),seg_time)));
1353 flydata->angstep.z = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.b,dest_angles.b),seg_time)));
1354 flydata->angstep.y = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.h,dest_angles.h),seg_time)));
1358 flydata->angles = dest_angles;
1359 flydata->angstep.x = flydata->angstep.y = flydata->angstep.z = 0;
1363 flydata->first_time=0;
1367 #define ROT_SPEED 8 //rate of rotation while key held down
1368 #define VEL_SPEED (15) //rate of acceleration while key held down
1370 extern short old_joy_x,old_joy_y; //position last time around
1375 #ifdef SLEW_ON //this is a special routine for slewing around external scene
1376 int _do_slew_movement(object *obj, int check_keys, int check_joy )
1379 vms_vector svel, movement; //scaled velocity (per this frame)
1380 vms_matrix rotmat,new_pm;
1381 int joy_x,joy_y,btns;
1382 int joyx_moved,joyy_moved;
1385 if (keyd_pressed[KEY_PAD5])
1386 vm_vec_zero(&obj->phys_info.velocity);
1389 obj->phys_info.velocity.x += VEL_SPEED * (key_down_time(KEY_PAD9) - key_down_time(KEY_PAD7));
1390 obj->phys_info.velocity.y += VEL_SPEED * (key_down_time(KEY_PADMINUS) - key_down_time(KEY_PADPLUS));
1391 obj->phys_info.velocity.z += VEL_SPEED * (key_down_time(KEY_PAD8) - key_down_time(KEY_PAD2));
1393 rotang.pitch = (key_down_time(KEY_LBRACKET) - key_down_time(KEY_RBRACKET))/ROT_SPEED;
1394 rotang.bank = (key_down_time(KEY_PAD1) - key_down_time(KEY_PAD3))/ROT_SPEED;
1395 rotang.head = (key_down_time(KEY_PAD6) - key_down_time(KEY_PAD4))/ROT_SPEED;
1398 rotang.pitch = rotang.bank = rotang.head = 0;
1400 //check for joystick movement
1402 if (check_joy && joy_present) {
1403 joy_get_pos(&joy_x,&joy_y);
1404 btns=joy_get_btns();
1406 joyx_moved = (abs(joy_x - old_joy_x)>JOY_NULL);
1407 joyy_moved = (abs(joy_y - old_joy_y)>JOY_NULL);
1409 if (abs(joy_x) < JOY_NULL) joy_x = 0;
1410 if (abs(joy_y) < JOY_NULL) joy_y = 0;
1413 if (!rotang.pitch) rotang.pitch = fixmul(-joy_y * 512,FrameTime); else;
1415 if (joyy_moved) obj->phys_info.velocity.z = -joy_y * 8192;
1417 if (!rotang.head) rotang.head = fixmul(joy_x * 512,FrameTime);
1419 if (joyx_moved) old_joy_x = joy_x;
1420 if (joyy_moved) old_joy_y = joy_y;
1423 moved = rotang.pitch | rotang.bank | rotang.head;
1425 vm_angles_2_matrix(&rotmat,&rotang);
1426 vm_matrix_x_matrix(&new_pm,&obj->orient,&rotmat);
1427 obj->orient = new_pm;
1428 vm_transpose_matrix(&new_pm); //make those columns rows
1430 moved |= obj->phys_info.velocity.x | obj->phys_info.velocity.y | obj->phys_info.velocity.z;
1432 svel = obj->phys_info.velocity;
1433 vm_vec_scale(&svel,FrameTime); //movement in this frame
1434 vm_vec_rotate(&movement,&svel,&new_pm);
1436 vm_vec_add2(&obj->pos,&movement);
1438 moved |= (movement.x || movement.y || movement.z);
1447 #define STATION_DIST i2f(1024)
1449 int convert_ext( char *dest, char *ext )
1453 t = strchr(dest,'.');
1455 if (t && (t-dest <= 8)) {
1465 //called for each level to load & setup the exit sequence
1466 void load_endlevel_data(int level_num)
1469 char line[LINE_LEN],*p;
1471 int var,segnum,sidenum;
1473 int have_binary = 0;
1475 endlevel_data_loaded = 0; //not loaded yet
1480 if (level_num<0) //secret level
1481 strcpy(filename,Secret_level_names[-level_num-1]);
1483 strcpy(filename,Level_names[level_num-1]);
1485 if (!convert_ext(filename,"END"))
1486 Error("Error converting filename <%s> for endlevel data\n",filename);
1488 ifile = cfopen(filename,"rb");
1492 convert_ext(filename,"txb");
1494 ifile = cfopen(filename,"rb");
1498 con_printf(CON_DEBUG, "Cannot load file text of binary version of <%s>\n",filename);
1499 endlevel_data_loaded = 0; // won't be able to play endlevel sequence
1511 //ok...this parser is pretty simple. It ignores comments, but
1512 //everything else must be in the right place
1516 while (cfgets(line,LINE_LEN,ifile)) {
1519 for (i = 0; i < strlen(line) - 1; i++) {
1520 encode_rotate_left(&(line[i]));
1521 line[i] = line[i] ^ BITMAP_TBL_XOR;
1522 encode_rotate_left(&(line[i]));
1527 if ((p=strchr(line,';'))!=NULL)
1528 *p = 0; //cut off comment
1530 for (p=line+strlen(line)-1;p>line && isspace(*p);*p--=0);
1531 for (p=line;isspace(*p);p++);
1533 if (!*p) //empty line
1538 case 0: { //ground terrain
1542 if (terrain_bm_instance.bm_data)
1543 d_free(terrain_bm_instance.bm_data);
1545 Assert(terrain_bm_instance.bm_data == NULL);
1547 iff_error = iff_read_bitmap(p,&terrain_bm_instance,BM_LINEAR,pal);
1548 if (iff_error != IFF_NO_ERROR) {
1549 Warning("Can't load exit terrain from file %s: IFF error: %s",
1550 p, iff_errormsg(iff_error));
1551 endlevel_data_loaded = 0; // won't be able to play endlevel sequence
1555 terrain_bitmap = &terrain_bm_instance;
1557 gr_remap_bitmap_good( terrain_bitmap, pal, iff_transparent_color, -1);
1562 case 1: //height map
1570 sscanf(p,"%d,%d",&exit_point_bmx,&exit_point_bmy);
1573 case 3: //exit heading
1575 exit_angles.h = i2f(atoi(p))/360;
1578 case 4: { //planet bitmap
1582 if (satellite_bm_instance.bm_data)
1583 d_free(satellite_bm_instance.bm_data);
1585 iff_error = iff_read_bitmap(p,&satellite_bm_instance,BM_LINEAR,pal);
1586 if (iff_error != IFF_NO_ERROR) {
1587 Warning("Can't load exit satellite from file %s: IFF error: %s",
1588 p, iff_errormsg(iff_error));
1589 endlevel_data_loaded = 0; // won't be able to play endlevel sequence
1593 satellite_bitmap = &satellite_bm_instance;
1594 gr_remap_bitmap_good( satellite_bitmap, pal, iff_transparent_color, -1);
1600 case 7: { //station pos
1605 sscanf(p,"%d,%d",&head,&pitch);
1607 ta.h = i2f(head)/360;
1608 ta.p = -i2f(pitch)/360;
1611 vm_angles_2_matrix(&tm,&ta);
1614 satellite_pos = tm.fvec;
1615 //vm_vec_copy_scale(&satellite_pos,&tm.fvec,SATELLITE_DIST);
1617 station_pos = tm.fvec;
1622 case 6: //planet size
1623 satellite_size = i2f(atoi(p));
1631 Assert(var == NUM_VARS);
1634 // OK, now the data is loaded. Initialize everything
1636 //find the exit sequence by searching all segments for a side with
1639 for (segnum=0,exit_segnum=-1;exit_segnum==-1 && segnum<=Highest_segment_index;segnum++)
1640 for (sidenum=0;sidenum<6;sidenum++)
1641 if (Segments[segnum].children[sidenum] == -2) {
1642 exit_segnum = segnum;
1643 exit_side = sidenum;
1647 Assert(exit_segnum!=-1);
1649 compute_segment_center(&mine_exit_point,&Segments[exit_segnum]);
1650 extract_orient_from_segment(&mine_exit_orient,&Segments[exit_segnum]);
1651 compute_center_point_on_side(&mine_side_exit_point,&Segments[exit_segnum],exit_side);
1653 vm_vec_scale_add(&mine_ground_exit_point,&mine_exit_point,&mine_exit_orient.uvec,-i2f(20));
1655 //compute orientation of surface
1658 vms_matrix exit_orient,tm;
1660 vm_angles_2_matrix(&exit_orient,&exit_angles);
1661 vm_transpose_matrix(&exit_orient);
1662 vm_matrix_x_matrix(&surface_orient,&mine_exit_orient,&exit_orient);
1664 vm_copy_transpose_matrix(&tm,&surface_orient);
1665 vm_vec_rotate(&tv,&station_pos,&tm);
1666 vm_vec_scale_add(&station_pos,&mine_exit_point,&tv,STATION_DIST);
1668 vm_vec_rotate(&tv,&satellite_pos,&tm);
1669 vm_vec_scale_add(&satellite_pos,&mine_exit_point,&tv,SATELLITE_DIST);
1671 vm_vector_2_matrix(&tm,&tv,&surface_orient.uvec,NULL);
1672 vm_vec_copy_scale(&satellite_upvec,&tm.uvec,SATELLITE_HEIGHT);
1679 endlevel_data_loaded = 1;