2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
19 static char rcsid[] = "$Id: endlevel.c,v 1.3 2001-10-25 02:15:56 bradleyb Exp $";
71 typedef struct flythrough_data {
73 vms_angvec angles; //orientation in angles
74 vms_vector step; //how far in a second
75 vms_vector angstep; //rotation per second
76 fix speed; //how fast object is moving
77 vms_vector headvec; //where we want to be pointing
78 int first_time; //flag for if first time through
79 fix offset_frac; //how far off-center as portion of way
80 fix offset_dist; //how far currently off-center
83 //endlevel sequence states
85 #define EL_OFF 0 //not in endlevel
86 #define EL_FLYTHROUGH 1 //auto-flythrough in tunnel
87 #define EL_LOOKBACK 2 //looking back at player
88 #define EL_OUTSIDE 3 //flying outside for a while
89 #define EL_STOPPED 4 //stopped, watching explosion
90 #define EL_PANNING 5 //panning around, watching player
91 #define EL_CHASING 6 //chasing player to station
93 #define SHORT_SEQUENCE 1 //if defined, end sequnce when panning starts
94 //#define STATION_ENABLED 1 //if defined, load & use space station model
96 int Endlevel_sequence = 0;
98 extern fix player_speed;
100 int transition_segnum,exit_segnum;
102 object *endlevel_camera;
104 #define FLY_SPEED i2f(50)
106 void start_endlevel_flythrough(int n,object *obj,fix speed);
109 char movie_table[] = { 'a','a','a','a','d','d','d','d' };
111 char movie_table[] = { 'a','b','c',
123 #define N_MOVIES (sizeof(movie_table) / sizeof(*movie_table))
127 char movie_table_secret[] = {'a','d'};
129 char movie_table_secret[] = {'a','d','g','j','m','p'};
131 #define N_MOVIES_SECRET (sizeof(movie_table_secret) / sizeof(*movie_table_secret))
133 #define N_MOVIES_SECRET 0
137 #define FLY_ACCEL i2f(5)
139 fix cur_fly_speed,desired_fly_speed;
141 extern int matt_find_connect_side(int seg0,int seg1);
143 grs_bitmap *satellite_bitmap,*station_bitmap,*terrain_bitmap; //!!*exit_bitmap,
144 vms_vector satellite_pos,satellite_upvec;
145 //!!grs_bitmap **exit_bitmap_list[1];
146 int station_modelnum,exit_modelnum,destroyed_exit_modelnum;
148 vms_vector station_pos = {0xf8c4<<10,0x3c1c<<12,0x372<<10};
150 #ifdef STATION_ENABLED
151 grs_bitmap *station_bitmap;
152 grs_bitmap **station_bitmap_list[1];
153 int station_modelnum;
156 vms_vector mine_exit_point;
157 vms_vector mine_ground_exit_point;
158 vms_vector mine_side_exit_point;
159 vms_matrix mine_exit_orient;
163 void start_endlevel_flythrough(int n,object *obj,fix speed);
165 grs_bitmap terrain_bm_instance;
166 grs_bitmap satellite_bm_instance;
168 //find delta between two angles
169 fixang delta_ang(fixang a,fixang b)
171 fixang delta0,delta1;
173 return (abs(delta0 = a - b) < abs(delta1 = b - a)) ? delta0 : delta1;
177 //return though which side of seg0 is seg1
178 int matt_find_connect_side(int seg0,int seg1)
180 segment *Seg=&Segments[seg0];
183 for (i=MAX_SIDES_PER_SEGMENT;i--;) if (Seg->children[i]==seg1) return i;
188 extern int Kmatrix_nomovie_message;
190 #if defined(D2_OEM) || defined(COMPILATION)
191 #define MOVIE_REQUIRED 0
193 #define MOVIE_REQUIRED 1
196 //returns movie played status. see movie.h
197 int start_endlevel_movie()
199 char movie_name[] = "esa.mve";
203 Assert(Current_mission_num == 0); //only play movie for built-in mission
205 Assert(N_MOVIES >= Last_level);
206 Assert(N_MOVIES_SECRET >= -Last_secret_level);
209 if (Current_level_num == Last_level)
210 return 1; //don't play movie
213 if (Current_level_num > 0)
214 movie_name[2] = movie_table[Current_level_num-1];
217 return 0; //no escapes for secret level
219 Error("Invalid level number <%d>",Current_level_num);
223 memcpy(save_pal,gr_palette,768);
226 r=PlayMovie(movie_name,(Game_mode & GM_MULTI)?0:MOVIE_REQUIRED);
228 return 0; // movie not played for shareware
231 if (Newdemo_state == ND_STATE_PLAYBACK) {
232 set_screen_mode(SCREEN_GAME);
233 memcpy(gr_palette,save_pal,768);
237 if (r==MOVIE_NOT_PLAYED && (Game_mode & GM_MULTI))
238 Kmatrix_nomovie_message=1;
240 Kmatrix_nomovie_message=0;
251 if (terrain_bm_instance.bm_data)
252 d_free(terrain_bm_instance.bm_data);
254 if (satellite_bm_instance.bm_data)
255 d_free(satellite_bm_instance.bm_data);
260 //##satellite_bitmap = bm_load("earth.bbm");
261 //##terrain_bitmap = bm_load("moon.bbm");
263 //##load_terrain("matt5b.bbm"); //load bitmap as height array
264 //##//load_terrain("ttest2.bbm"); //load bitmap as height array
266 #ifdef STATION_ENABLED
267 station_bitmap = bm_load("steel3.bbm");
268 station_bitmap_list[0] = &station_bitmap;
270 station_modelnum = load_polygon_model("station.pof",1,station_bitmap_list,NULL);
273 //!! exit_bitmap = bm_load("steel1.bbm");
274 //!! exit_bitmap_list[0] = &exit_bitmap;
276 //!! exit_modelnum = load_polygon_model("exit01.pof",1,exit_bitmap_list,NULL);
277 //!! destroyed_exit_modelnum = load_polygon_model("exit01d.pof",1,exit_bitmap_list,NULL);
279 generate_starfield();
281 atexit(free_endlevel_data);
283 terrain_bm_instance.bm_data = satellite_bm_instance.bm_data = NULL;
287 object external_explosion;
288 int ext_expl_playing,mine_destroyed;
290 extern fix flash_scale;
292 vms_angvec exit_angles={-0xa00,0,0};
294 vms_matrix surface_orient;
296 int endlevel_data_loaded=0;
297 extern char last_palette_loaded[];
299 void start_endlevel_sequence()
303 #if defined(MACINTOSH) && defined(SHAREWARE)
304 static int inited = 0;
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 == 0) //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 == 0) { //only play movie for built-in mission
346 //try playing movie. If it plays, great. if not, do rendered ending
348 if (!(Game_mode & GM_MULTI))
349 movie_played = start_endlevel_movie();
352 if (movie_played == MOVIE_NOT_PLAYED) { //don't have movie. Do rendered sequence
354 start_rendered_endlevel_sequence();
362 gr_palette_fade_out(gr_palette, 32, 0);
364 PlayerFinishedLevel(0); //done with level
369 void do_endlevel_frame() {Int3();}
370 void stop_endlevel_sequence() {Int3();}
371 void render_endlevel_frame(fix eye_offset) {Int3();}
375 static int cockpit_mode_save;
377 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 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 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);
573 static fix bank_rate;
575 vms_vector save_last_pos;
576 static fix explosion_wait1=0;
577 static fix explosion_wait2=0;
578 static fix ext_expl_halflife;
580 save_last_pos = ConsoleObject->last_pos; //don't let move code change this
582 ConsoleObject->last_pos = save_last_pos;
584 if (ext_expl_playing) {
586 external_explosion.lifeleft -= FrameTime;
587 do_explosion_sequence(&external_explosion);
589 if (external_explosion.lifeleft < ext_expl_halflife)
592 if (external_explosion.flags & OF_SHOULD_BE_DEAD)
593 ext_expl_playing = 0;
596 if (cur_fly_speed != desired_fly_speed) {
597 fix delta = desired_fly_speed - cur_fly_speed;
598 fix frame_accel = fixmul(FrameTime,FLY_ACCEL);
600 if (abs(delta) < frame_accel)
601 cur_fly_speed = desired_fly_speed;
604 cur_fly_speed += frame_accel;
606 cur_fly_speed -= frame_accel;
612 if (Endlevel_sequence==EL_OUTSIDE) {
615 vm_vec_sub(&tvec,&ConsoleObject->pos,&mine_side_exit_point);
617 if (vm_vec_dot(&tvec,&mine_exit_orient.fvec) > 0) {
622 tobj = object_create_explosion(exit_segnum,&mine_side_exit_point,i2f(50),VCLIP_BIG_PLAYER_EXPLOSION);
625 external_explosion = *tobj;
627 tobj->flags |= OF_SHOULD_BE_DEAD;
629 flash_scale = 0; //kill lights in mine
631 ext_expl_halflife = tobj->lifeleft;
633 ext_expl_playing = 1;
636 digi_link_sound_to_pos( SOUND_BIG_ENDLEVEL_EXPLOSION, exit_segnum, 0, &mine_side_exit_point, 0, i2f(3)/4 );
640 //do explosions chasing player
641 if ((explosion_wait1-=FrameTime) < 0) {
645 static int sound_count;
647 vm_vec_scale_add(&tpnt,&ConsoleObject->pos,&ConsoleObject->orient.fvec,-ConsoleObject->size*5);
648 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*15);
649 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*15);
651 segnum = find_point_seg(&tpnt,ConsoleObject->segnum);
654 expl = object_create_explosion(segnum,&tpnt,i2f(20),VCLIP_BIG_PLAYER_EXPLOSION);
655 if (d_rand()<10000 || ++sound_count==7) { //pseudo-random
656 digi_link_sound_to_pos( SOUND_TUNNEL_EXPLOSION, segnum, 0, &tpnt, 0, F1_0 );
661 explosion_wait1 = 0x2000 + d_rand()/4;
666 //do little explosions on walls
667 if (Endlevel_sequence >= EL_FLYTHROUGH && Endlevel_sequence < EL_OUTSIDE)
668 if ((explosion_wait2-=FrameTime) < 0) {
673 //create little explosion on wall
675 vm_vec_copy_scale(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*100);
676 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*100);
677 vm_vec_add2(&tpnt,&ConsoleObject->pos);
679 if (Endlevel_sequence == EL_FLYTHROUGH)
680 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*200);
682 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*60);
684 //find hit point on wall
686 fq.p0 = &ConsoleObject->pos;
688 fq.startseg = ConsoleObject->segnum;
691 fq.ignore_obj_list = NULL;
694 find_vector_intersection(&fq,&hit_data);
696 if (hit_data.hit_type==HIT_WALL && hit_data.hit_seg!=-1)
697 object_create_explosion(hit_data.hit_seg,&hit_data.hit_pnt,i2f(3)+d_rand()*6,VCLIP_SMALL_EXPLOSION);
699 explosion_wait2 = (0xa00 + d_rand()/8)/2;
702 switch (Endlevel_sequence) {
706 case EL_FLYTHROUGH: {
708 do_endlevel_flythrough(0);
710 if (ConsoleObject->segnum == transition_segnum) {
713 start_endlevel_movie();
714 stop_endlevel_sequence();
719 //songs_play_song( SONG_ENDLEVEL, 0 );
721 Endlevel_sequence = EL_LOOKBACK;
723 objnum = obj_create(OBJ_CAMERA, 0,
724 ConsoleObject->segnum,&ConsoleObject->pos,&ConsoleObject->orient,0,
725 CT_NONE,MT_NONE,RT_NONE);
727 if (objnum == -1) { //can't get object, so abort
728 mprintf((1, "Can't get object for endlevel sequence. Aborting endlevel sequence.\n"));
729 stop_endlevel_sequence();
733 Viewer = endlevel_camera = &Objects[objnum];
735 select_cockpit(CM_LETTERBOX);
737 fly_objects[1] = fly_objects[0];
738 fly_objects[1].obj = endlevel_camera;
739 fly_objects[1].speed = (5*cur_fly_speed)/4;
740 fly_objects[1].offset_frac = 0x4000;
742 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,i2f(7));
756 do_endlevel_flythrough(0);
757 do_endlevel_flythrough(1);
763 if (timer < 0) //reduce speed
764 fly_objects[1].speed = fly_objects[0].speed;
767 if (endlevel_camera->segnum == exit_segnum) {
768 vms_angvec cam_angles,exit_seg_angles;
770 Endlevel_sequence = EL_OUTSIDE;
774 vm_vec_negate(&endlevel_camera->orient.fvec);
775 vm_vec_negate(&endlevel_camera->orient.rvec);
777 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
778 vm_extract_angles_matrix(&exit_seg_angles,&mine_exit_orient);
779 bank_rate = (-exit_seg_angles.b - cam_angles.b)/2;
781 ConsoleObject->control_type = endlevel_camera->control_type = CT_NONE;
784 slew_obj = endlevel_camera;
793 vms_angvec cam_angles;
796 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
798 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,-2*cur_fly_speed));
799 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.uvec,fixmul(FrameTime,-cur_fly_speed/10));
801 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
802 cam_angles.b += fixmul(bank_rate,FrameTime);
803 vm_angles_2_matrix(&endlevel_camera->orient,&cam_angles);
810 Endlevel_sequence = EL_STOPPED;
812 vm_extract_angles_matrix(&player_angles,&ConsoleObject->orient);
823 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
824 chase_angles(&player_angles,&player_dest_angles);
825 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
827 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
834 slew_obj = endlevel_camera;
835 _do_slew_movement(endlevel_camera,1,1);
836 timer += FrameTime; //make time stop
840 #ifdef SHORT_SEQUENCE
842 stop_endlevel_sequence();
845 Endlevel_sequence = EL_PANNING;
847 vm_extract_angles_matrix(&camera_cur_angles,&endlevel_camera->orient);
852 if (Game_mode & GM_MULTI) { // try to skip part of the seq if multiplayer
853 stop_endlevel_sequence();
857 //mprintf((0,"Switching to pan...\n"));
858 #endif //SHORT_SEQUENCE
865 #ifndef SHORT_SEQUENCE
871 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
872 chase_angles(&player_angles,&player_dest_angles);
873 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
874 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
877 _do_slew_movement(endlevel_camera,1,1);
880 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
881 mask = chase_angles(&camera_cur_angles,&camera_desired_angles);
882 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
888 Endlevel_sequence = EL_CHASING;
890 vm_vec_normalized_dir_quick(&tvec,&station_pos,&ConsoleObject->pos);
891 vm_vector_2_matrix(&ConsoleObject->orient,&tvec,&surface_orient.uvec,NULL);
893 desired_fly_speed *= 2;
895 //mprintf((0,"Switching to chase...\n"));
907 _do_slew_movement(endlevel_camera,1,1);
910 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
911 chase_angles(&camera_cur_angles,&camera_desired_angles);
914 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
917 d = vm_vec_dist_quick(&ConsoleObject->pos,&endlevel_camera->pos);
919 speed_scale = fixdiv(d,i2f(0x20));
922 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
923 chase_angles(&player_angles,&player_dest_angles);
924 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
926 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
928 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,fixmul(speed_scale,cur_fly_speed)));
930 if (vm_vec_dist(&ConsoleObject->pos,&station_pos) < i2f(10))
931 stop_endlevel_sequence();
937 #endif //ifdef SHORT_SEQUENCE
946 //find which side to fly out of
947 find_exit_side(object *obj)
950 vms_vector prefvec,segcenter,sidevec;
953 segment *pseg = &Segments[obj->segnum];
957 vm_vec_normalized_dir_quick(&prefvec,&obj->pos,&obj->last_pos);
959 compute_segment_center(&segcenter,pseg);
962 for (i=MAX_SIDES_PER_SEGMENT;--i >= 0;) {
965 if (pseg->children[i]!=-1) {
967 compute_center_point_on_side(&sidevec,pseg,i);
968 vm_vec_normalized_dir_quick(&sidevec,&sidevec,&segcenter);
969 d = vm_vec_dotprod(&sidevec,&prefvec);
971 if (labs(d) < MIN_D) d=0;
973 if (d > best_val) {best_val=d; best_side=i;}
978 Assert(best_side!=-1);
983 extern fix Render_zoom; //the player's zoom factor
985 extern vms_vector Viewer_eye; //valid during render
989 vms_vector model_pos;
992 vm_vec_scale_add(&model_pos,&mine_exit_point,&mine_exit_orient.fvec,i2f(f));
993 vm_vec_scale_add2(&model_pos,&mine_exit_orient.uvec,i2f(u));
995 draw_polygon_model(&model_pos,&mine_exit_orient,NULL,(mine_destroyed)?destroyed_exit_modelnum:exit_modelnum,0,f1_0,NULL,NULL);
999 int exit_point_bmx,exit_point_bmy;
1001 fix satellite_size = i2f(400);
1003 #define SATELLITE_DIST i2f(1024)
1004 #define SATELLITE_WIDTH satellite_size
1005 #define SATELLITE_HEIGHT ((satellite_size*9)/4) //((satellite_size*5)/2)
1007 render_external_scene(fix eye_offset)
1010 Viewer_eye = Viewer->pos;
1013 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1015 g3_set_view_matrix(&Viewer->pos,&Viewer->orient,Render_zoom);
1017 //g3_draw_horizon(BM_XRGB(0,0,0),BM_XRGB(16,16,16)); //,-1);
1018 gr_clear_canvas(BM_XRGB(0,0,0));
1020 g3_start_instance_matrix(&vmd_zero_vector,&surface_orient);
1027 g3s_point p,top_pnt;
1029 g3_rotate_point(&p,&satellite_pos);
1030 g3_rotate_delta_vec(&delta,&satellite_upvec);
1032 g3_add_delta_vec(&top_pnt,&p,&delta);
1034 if (! (p.p3_codes & CC_BEHIND)) {
1035 int save_im = Interpolation_method;
1036 //p.p3_flags &= ~PF_PROJECTED;
1037 //g3_project_point(&p);
1038 if (! (p.p3_flags & PF_OVERFLOW)) {
1039 Interpolation_method = 0;
1040 //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1041 g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1042 Interpolation_method = save_im;
1047 #ifdef STATION_ENABLED
1048 draw_polygon_model(&station_pos,&vmd_identity_matrix,NULL,station_modelnum,0,f1_0,NULL,NULL);
1051 render_terrain(&mine_ground_exit_point,exit_point_bmx,exit_point_bmy);
1054 if (ext_expl_playing)
1055 draw_fireball(&external_explosion);
1058 render_object(ConsoleObject);
1062 #define MAX_STARS 500
1064 vms_vector stars[MAX_STARS];
1066 generate_starfield()
1070 for (i=0;i<MAX_STARS;i++) {
1072 stars[i].x = (d_rand() - RAND_MAX/2) << 14;
1073 stars[i].z = (d_rand() - RAND_MAX/2) << 14;
1074 stars[i].y = (d_rand()/2) << 14;
1085 for (i=0;i<MAX_STARS;i++) {
1088 gr_setcolor(BM_XRGB(intensity,intensity,intensity));
1092 //g3_rotate_point(&p,&stars[i]);
1093 g3_rotate_delta_vec(&p.p3_vec,&stars[i]);
1096 if (p.p3_codes == 0) {
1098 p.p3_flags &= ~PF_PROJECTED;
1100 g3_project_point(&p);
1102 gr_pixel(f2i(p.p3_sx),f2i(p.p3_sy));
1107 //@@ vms_vector delta;
1108 //@@ g3s_point top_pnt;
1110 //@@ g3_rotate_point(&p,&satellite_pos);
1111 //@@ g3_rotate_delta_vec(&delta,&satellite_upvec);
1113 //@@ g3_add_delta_vec(&top_pnt,&p,&delta);
1115 //@@ if (! (p.p3_codes & CC_BEHIND)) {
1116 //@@ int save_im = Interpolation_method;
1117 //@@ Interpolation_method = 0;
1118 //@@ //p.p3_flags &= ~PF_PROJECTED;
1119 //@@ g3_project_point(&p);
1120 //@@ if (! (p.p3_flags & PF_OVERFLOW))
1121 //@@ //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1122 //@@ g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1123 //@@ Interpolation_method = save_im;
1129 endlevel_render_mine(fix eye_offset)
1133 Viewer_eye = Viewer->pos;
1135 if (Viewer->type == OBJ_PLAYER )
1136 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.fvec,(Viewer->size*3)/4);
1139 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1142 if (Function_mode==FMODE_EDITOR)
1143 Viewer_eye = Viewer->pos;
1146 if (Endlevel_sequence >= EL_OUTSIDE) {
1148 start_seg_num = exit_segnum;
1151 start_seg_num = find_point_seg(&Viewer_eye,Viewer->segnum);
1153 if (start_seg_num==-1)
1154 start_seg_num = Viewer->segnum;
1157 if (Endlevel_sequence == EL_LOOKBACK) {
1158 vms_matrix headm,viewm;
1159 vms_angvec angles = {0,0,0x7fff};
1161 vm_angles_2_matrix(&headm,&angles);
1162 vm_matrix_x_matrix(&viewm,&Viewer->orient,&headm);
1163 g3_set_view_matrix(&Viewer_eye,&viewm,Render_zoom);
1166 g3_set_view_matrix(&Viewer_eye,&Viewer->orient,Render_zoom);
1168 render_mine(start_seg_num,eye_offset, 0);
1171 void render_endlevel_frame(fix eye_offset)
1176 if (Endlevel_sequence < EL_OUTSIDE)
1177 endlevel_render_mine(eye_offset);
1180 render_external_scene(eye_offset);
1188 ///////////////////////// copy of flythrough code for endlevel
1191 #define MAX_FLY_OBJECTS 2
1193 flythrough_data fly_objects[MAX_FLY_OBJECTS];
1195 flythrough_data *flydata;
1197 int matt_find_connect_side(int seg0,int seg1);
1199 void compute_segment_center(vms_vector *vp,segment *sp);
1201 fixang delta_ang(fixang a,fixang b);
1202 fixang interp_angle(fixang dest,fixang src,fixang step);
1204 #define DEFAULT_SPEED i2f(16)
1208 //if speed is zero, use default speed
1209 start_endlevel_flythrough(int n,object *obj,fix speed)
1211 flydata = &fly_objects[n];
1215 flydata->first_time = 1;
1217 flydata->speed = speed?speed:DEFAULT_SPEED;
1219 flydata->offset_frac = 0;
1222 static vms_angvec *angvec_add2_scale(vms_angvec *dest,vms_vector *src,fix s)
1224 dest->p += fixmul(src->x,s);
1225 dest->b += fixmul(src->z,s);
1226 dest->h += fixmul(src->y,s);
1231 #define MAX_ANGSTEP 0x4000 //max turn per second
1233 #define MAX_SLIDE_PER_SEGMENT 0x10000
1235 do_endlevel_flythrough(int n)
1241 flydata = &fly_objects[n];
1244 old_player_seg = obj->segnum;
1246 //move the player for this frame
1248 if (!flydata->first_time) {
1250 vm_vec_scale_add2(&obj->pos,&flydata->step,FrameTime);
1251 angvec_add2_scale(&flydata->angles,&flydata->angstep,FrameTime);
1253 vm_angles_2_matrix(&obj->orient,&flydata->angles);
1256 //check new player seg
1258 update_object_seg(obj);
1259 pseg = &Segments[obj->segnum];
1261 if (flydata->first_time || obj->segnum != old_player_seg) { //moved into new seg
1262 vms_vector curcenter,nextcenter;
1263 fix step_size,seg_time;
1264 short entry_side,exit_side; //what sides we entry and leave through
1265 vms_vector dest_point; //where we are heading (center of exit_side)
1266 vms_angvec dest_angles; //where we want to be pointing
1267 vms_matrix dest_orient;
1270 //find new exit side
1272 if (!flydata->first_time) {
1274 entry_side = matt_find_connect_side(obj->segnum,old_player_seg);
1275 exit_side = Side_opposite[entry_side];
1278 if (flydata->first_time || entry_side==-1 || pseg->children[exit_side]==-1)
1279 exit_side = find_exit_side(obj);
1281 { //find closest side to align to
1282 fix d,largest_d=-f1_0;
1288 get_side_normal(pseg, i, 0, &v1 );
1289 d = vm_vec_dot(&v1,&flydata->obj->orient.uvec);
1291 d = vm_vec_dot(&pseg->sides[i].normals[0],&flydata->obj->orient.uvec);
1293 if (d > largest_d) {largest_d = d; up_side=i;}
1298 //update target point & angles
1300 compute_center_point_on_side(&dest_point,pseg,exit_side);
1302 //update target point and movement points
1304 //offset object sideways
1305 if (flydata->offset_frac) {
1311 if (i!=entry_side && i!=exit_side && i!=up_side && i!=Side_opposite[up_side])
1317 compute_center_point_on_side(&s0p,pseg,s0);
1318 compute_center_point_on_side(&s1p,pseg,s1);
1319 dist = fixmul(vm_vec_dist(&s0p,&s1p),flydata->offset_frac);
1321 if (dist-flydata->offset_dist > MAX_SLIDE_PER_SEGMENT)
1322 dist = flydata->offset_dist + MAX_SLIDE_PER_SEGMENT;
1324 flydata->offset_dist = dist;
1326 vm_vec_scale_add2(&dest_point,&obj->orient.rvec,dist);
1330 vm_vec_sub(&flydata->step,&dest_point,&obj->pos);
1331 step_size = vm_vec_normalize_quick(&flydata->step);
1332 vm_vec_scale(&flydata->step,flydata->speed);
1334 compute_segment_center(&curcenter,pseg);
1335 compute_segment_center(&nextcenter,&Segments[pseg->children[exit_side]]);
1336 vm_vec_sub(&flydata->headvec,&nextcenter,&curcenter);
1341 get_side_normal(pseg, up_side, 0, &_v1 );
1342 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&_v1,NULL);
1345 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&pseg->sides[up_side].normals[0],NULL);
1347 vm_extract_angles_matrix(&dest_angles,&dest_orient);
1349 if (flydata->first_time)
1350 vm_extract_angles_matrix(&flydata->angles,&obj->orient);
1352 seg_time = fixdiv(step_size,flydata->speed); //how long through seg
1355 flydata->angstep.x = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.p,dest_angles.p),seg_time)));
1356 flydata->angstep.z = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.b,dest_angles.b),seg_time)));
1357 flydata->angstep.y = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.h,dest_angles.h),seg_time)));
1361 flydata->angles = dest_angles;
1362 flydata->angstep.x = flydata->angstep.y = flydata->angstep.z = 0;
1366 flydata->first_time=0;
1370 #define ROT_SPEED 8 //rate of rotation while key held down
1371 #define VEL_SPEED (15) //rate of acceleration while key held down
1373 extern short old_joy_x,old_joy_y; //position last time around
1378 #ifdef SLEW_ON //this is a special routine for slewing around external scene
1379 int _do_slew_movement(object *obj, int check_keys, int check_joy )
1382 vms_vector svel, movement; //scaled velocity (per this frame)
1383 vms_matrix rotmat,new_pm;
1384 int joy_x,joy_y,btns;
1385 int joyx_moved,joyy_moved;
1388 if (keyd_pressed[KEY_PAD5])
1389 vm_vec_zero(&obj->phys_info.velocity);
1392 obj->phys_info.velocity.x += VEL_SPEED * (key_down_time(KEY_PAD9) - key_down_time(KEY_PAD7));
1393 obj->phys_info.velocity.y += VEL_SPEED * (key_down_time(KEY_PADMINUS) - key_down_time(KEY_PADPLUS));
1394 obj->phys_info.velocity.z += VEL_SPEED * (key_down_time(KEY_PAD8) - key_down_time(KEY_PAD2));
1396 rotang.pitch = (key_down_time(KEY_LBRACKET) - key_down_time(KEY_RBRACKET))/ROT_SPEED;
1397 rotang.bank = (key_down_time(KEY_PAD1) - key_down_time(KEY_PAD3))/ROT_SPEED;
1398 rotang.head = (key_down_time(KEY_PAD6) - key_down_time(KEY_PAD4))/ROT_SPEED;
1401 rotang.pitch = rotang.bank = rotang.head = 0;
1403 //check for joystick movement
1405 if (check_joy && joy_present) {
1406 joy_get_pos(&joy_x,&joy_y);
1407 btns=joy_get_btns();
1409 joyx_moved = (abs(joy_x - old_joy_x)>JOY_NULL);
1410 joyy_moved = (abs(joy_y - old_joy_y)>JOY_NULL);
1412 if (abs(joy_x) < JOY_NULL) joy_x = 0;
1413 if (abs(joy_y) < JOY_NULL) joy_y = 0;
1416 if (!rotang.pitch) rotang.pitch = fixmul(-joy_y * 512,FrameTime); else;
1418 if (joyy_moved) obj->phys_info.velocity.z = -joy_y * 8192;
1420 if (!rotang.head) rotang.head = fixmul(joy_x * 512,FrameTime);
1422 if (joyx_moved) old_joy_x = joy_x;
1423 if (joyy_moved) old_joy_y = joy_y;
1426 moved = rotang.pitch | rotang.bank | rotang.head;
1428 vm_angles_2_matrix(&rotmat,&rotang);
1429 vm_matrix_x_matrix(&new_pm,&obj->orient,&rotmat);
1430 obj->orient = new_pm;
1431 vm_transpose_matrix(&new_pm); //make those columns rows
1433 moved |= obj->phys_info.velocity.x | obj->phys_info.velocity.y | obj->phys_info.velocity.z;
1435 svel = obj->phys_info.velocity;
1436 vm_vec_scale(&svel,FrameTime); //movement in this frame
1437 vm_vec_rotate(&movement,&svel,&new_pm);
1439 vm_vec_add2(&obj->pos,&movement);
1441 moved |= (movement.x || movement.y || movement.z);
1450 #define STATION_DIST i2f(1024)
1452 int convert_ext( char *dest, char *ext )
1456 t = strchr(dest,'.');
1458 if (t && (t-dest <= 8)) {
1468 //called for each level to load & setup the exit sequence
1469 load_endlevel_data(int level_num)
1472 char line[LINE_LEN],*p;
1474 int var,segnum,sidenum;
1476 int have_binary = 0;
1478 endlevel_data_loaded = 0; //not loaded yet
1483 if (level_num<0) //secret level
1484 strcpy(filename,Secret_level_names[-level_num-1]);
1486 strcpy(filename,Level_names[level_num-1]);
1488 if (!convert_ext(filename,"END"))
1489 Error("Error converting filename <%s> for endlevel data\n",filename);
1491 ifile = cfopen(filename,"rb");
1495 convert_ext(filename,"TXB");
1497 ifile = cfopen(filename,"rb");
1501 Error("Cannot load file text of binary version of <%s>",filename);
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 mprintf((1, "File %s - IFF error: %s",p,iff_errormsg(iff_error)));
1550 Error("File %s - IFF error: %s",p,iff_errormsg(iff_error));
1553 terrain_bitmap = &terrain_bm_instance;
1555 gr_remap_bitmap_good( terrain_bitmap, pal, iff_transparent_color, -1);
1560 case 1: //height map
1568 sscanf(p,"%d,%d",&exit_point_bmx,&exit_point_bmy);
1571 case 3: //exit heading
1573 exit_angles.h = i2f(atoi(p))/360;
1576 case 4: { //planet bitmap
1580 if (satellite_bm_instance.bm_data)
1581 d_free(satellite_bm_instance.bm_data);
1583 iff_error = iff_read_bitmap(p,&satellite_bm_instance,BM_LINEAR,pal);
1584 if (iff_error != IFF_NO_ERROR) {
1585 mprintf((1, "File %s - IFF error: %s",p,iff_errormsg(iff_error)));
1586 Error("File %s - IFF error: %s",p,iff_errormsg(iff_error));
1589 satellite_bitmap = &satellite_bm_instance;
1590 gr_remap_bitmap_good( satellite_bitmap, pal, iff_transparent_color, -1);
1596 case 7: { //station pos
1601 sscanf(p,"%d,%d",&head,&pitch);
1603 ta.h = i2f(head)/360;
1604 ta.p = -i2f(pitch)/360;
1607 vm_angles_2_matrix(&tm,&ta);
1610 satellite_pos = tm.fvec;
1611 //vm_vec_copy_scale(&satellite_pos,&tm.fvec,SATELLITE_DIST);
1613 station_pos = tm.fvec;
1618 case 6: //planet size
1619 satellite_size = i2f(atoi(p));
1627 Assert(var == NUM_VARS);
1630 // OK, now the data is loaded. Initialize everything
1632 //find the exit sequence by searching all segments for a side with
1635 for (segnum=0,exit_segnum=-1;exit_segnum==-1 && segnum<=Highest_segment_index;segnum++)
1636 for (sidenum=0;sidenum<6;sidenum++)
1637 if (Segments[segnum].children[sidenum] == -2) {
1638 exit_segnum = segnum;
1639 exit_side = sidenum;
1643 Assert(exit_segnum!=-1);
1645 compute_segment_center(&mine_exit_point,&Segments[exit_segnum]);
1646 extract_orient_from_segment(&mine_exit_orient,&Segments[exit_segnum]);
1647 compute_center_point_on_side(&mine_side_exit_point,&Segments[exit_segnum],exit_side);
1649 vm_vec_scale_add(&mine_ground_exit_point,&mine_exit_point,&mine_exit_orient.uvec,-i2f(20));
1651 //compute orientation of surface
1654 vms_matrix exit_orient,tm;
1656 vm_angles_2_matrix(&exit_orient,&exit_angles);
1657 vm_transpose_matrix(&exit_orient);
1658 vm_matrix_x_matrix(&surface_orient,&mine_exit_orient,&exit_orient);
1660 vm_copy_transpose_matrix(&tm,&surface_orient);
1661 vm_vec_rotate(&tv,&station_pos,&tm);
1662 vm_vec_scale_add(&station_pos,&mine_exit_point,&tv,STATION_DIST);
1664 vm_vec_rotate(&tv,&satellite_pos,&tm);
1665 vm_vec_scale_add(&satellite_pos,&mine_exit_point,&tv,SATELLITE_DIST);
1667 vm_vector_2_matrix(&tm,&tv,&surface_orient.uvec,NULL);
1668 vm_vec_copy_scale(&satellite_upvec,&tm.uvec,SATELLITE_HEIGHT);
1675 endlevel_data_loaded = 1;