1 /* $Id: endlevel.c,v 1.25 2005-08-02 06:13:56 chris 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 1.25 2005-08-02 06:13:56 chris Exp $";
38 #include <ctype.h> // for isspace
78 typedef struct flythrough_data {
80 vms_angvec angles; //orientation in angles
81 vms_vector step; //how far in a second
82 vms_vector angstep; //rotation per second
83 fix speed; //how fast object is moving
84 vms_vector headvec; //where we want to be pointing
85 int first_time; //flag for if first time through
86 fix offset_frac; //how far off-center as portion of way
87 fix offset_dist; //how far currently off-center
90 //endlevel sequence states
92 #define EL_OFF 0 //not in endlevel
93 #define EL_FLYTHROUGH 1 //auto-flythrough in tunnel
94 #define EL_LOOKBACK 2 //looking back at player
95 #define EL_OUTSIDE 3 //flying outside for a while
96 #define EL_STOPPED 4 //stopped, watching explosion
97 #define EL_PANNING 5 //panning around, watching player
98 #define EL_CHASING 6 //chasing player to station
100 #define SHORT_SEQUENCE 1 //if defined, end sequnce when panning starts
101 //#define STATION_ENABLED 1 //if defined, load & use space station model
103 int Endlevel_sequence = 0;
105 extern fix player_speed;
107 int transition_segnum,exit_segnum;
109 object *endlevel_camera;
111 #define FLY_SPEED i2f(50)
113 void do_endlevel_flythrough(int n);
115 int find_exit_side(object *obj);
116 void generate_starfield();
117 void start_endlevel_flythrough(int n,object *obj,fix speed);
118 void start_rendered_endlevel_sequence();
121 char movie_table[] = { 'a','a','a','a','d','d','d','d' };
123 char movie_table[] = { 'a','b','c',
135 #define N_MOVIES (sizeof(movie_table) / sizeof(*movie_table))
139 char movie_table_secret[] = {'a','d'};
141 char movie_table_secret[] = {'a','d','g','j','m','p'};
143 #define N_MOVIES_SECRET (sizeof(movie_table_secret) / sizeof(*movie_table_secret))
145 #define N_MOVIES_SECRET 0
149 #define FLY_ACCEL i2f(5)
151 fix cur_fly_speed,desired_fly_speed;
153 extern int matt_find_connect_side(int seg0,int seg1);
155 grs_bitmap *satellite_bitmap,*station_bitmap,*terrain_bitmap; //!!*exit_bitmap,
156 vms_vector satellite_pos,satellite_upvec;
157 //!!grs_bitmap **exit_bitmap_list[1];
158 int station_modelnum,exit_modelnum,destroyed_exit_modelnum;
160 vms_vector station_pos = {0xf8c4<<10,0x3c1c<<12,0x372<<10};
162 #ifdef STATION_ENABLED
163 grs_bitmap *station_bitmap;
164 grs_bitmap **station_bitmap_list[1];
165 int station_modelnum;
168 vms_vector mine_exit_point;
169 vms_vector mine_ground_exit_point;
170 vms_vector mine_side_exit_point;
171 vms_matrix mine_exit_orient;
175 grs_bitmap terrain_bm_instance;
176 grs_bitmap satellite_bm_instance;
178 //find delta between two angles
179 fixang delta_ang(fixang a,fixang b)
181 fixang delta0,delta1;
183 return (abs(delta0 = a - b) < abs(delta1 = b - a)) ? delta0 : delta1;
187 //return though which side of seg0 is seg1
188 int matt_find_connect_side(int seg0,int seg1)
190 segment *Seg=&Segments[seg0];
193 for (i=MAX_SIDES_PER_SEGMENT;i--;) if (Seg->children[i]==seg1) return i;
198 extern int Kmatrix_nomovie_message;
200 #if defined(D2_OEM) || defined(COMPILATION)
201 #define MOVIE_REQUIRED 0
203 #define MOVIE_REQUIRED 1
206 //returns movie played status. see movie.h
207 int start_endlevel_movie()
209 char movie_name[] = "esa.mve";
213 //Assert(PLAYING_BUILTIN_MISSION); //only play movie for built-in mission
215 //Assert(N_MOVIES >= Last_level);
216 //Assert(N_MOVIES_SECRET >= -Last_secret_level);
219 if (Current_level_num == Last_level)
220 return 1; //don't play movie
222 if (Current_level_num > 0)
223 movie_name[2] = movie_table[Current_level_num-1];
226 return 0; //no escapes for secret level
228 Error("Invalid level number <%d>",Current_level_num);
232 memcpy(save_pal,gr_palette,768);
235 r=PlayMovie(movie_name,(Game_mode & GM_MULTI)?0:MOVIE_REQUIRED);
237 return 0; // movie not played for shareware
240 if (Newdemo_state == ND_STATE_PLAYBACK) {
241 set_screen_mode(SCREEN_GAME);
242 memcpy(gr_palette,save_pal,768);
246 if (r==MOVIE_NOT_PLAYED && (Game_mode & GM_MULTI))
247 Kmatrix_nomovie_message=1;
249 Kmatrix_nomovie_message=0;
259 if (terrain_bm_instance.bm_data)
260 d_free(terrain_bm_instance.bm_data);
262 if (satellite_bm_instance.bm_data)
263 d_free(satellite_bm_instance.bm_data);
268 //##satellite_bitmap = bm_load("earth.bbm");
269 //##terrain_bitmap = bm_load("moon.bbm");
271 //##load_terrain("matt5b.bbm"); //load bitmap as height array
272 //##//load_terrain("ttest2.bbm"); //load bitmap as height array
274 #ifdef STATION_ENABLED
275 station_bitmap = bm_load("steel3.bbm");
276 station_bitmap_list[0] = &station_bitmap;
278 station_modelnum = load_polygon_model("station.pof",1,station_bitmap_list,NULL);
281 //!! exit_bitmap = bm_load("steel1.bbm");
282 //!! exit_bitmap_list[0] = &exit_bitmap;
284 //!! exit_modelnum = load_polygon_model("exit01.pof",1,exit_bitmap_list,NULL);
285 //!! destroyed_exit_modelnum = load_polygon_model("exit01d.pof",1,exit_bitmap_list,NULL);
287 generate_starfield();
289 atexit(free_endlevel_data);
291 terrain_bm_instance.bm_data = satellite_bm_instance.bm_data = NULL;
294 object external_explosion;
295 int ext_expl_playing,mine_destroyed;
297 extern fix flash_scale;
299 vms_angvec exit_angles={-0xa00,0,0};
301 vms_matrix surface_orient;
303 int endlevel_data_loaded=0;
304 extern char last_palette_loaded[];
306 void start_endlevel_sequence()
309 int movie_played = MOVIE_NOT_PLAYED;
311 if (Newdemo_state == ND_STATE_RECORDING) // stop demo recording
312 Newdemo_state = ND_STATE_PAUSED;
314 if (Newdemo_state == ND_STATE_PLAYBACK) { // don't do this if in playback mode
315 if (PLAYING_BUILTIN_MISSION) // only play movie for built-in mission
316 start_endlevel_movie();
317 strcpy(last_palette_loaded,""); //force palette load next time
321 if (Player_is_dead || ConsoleObject->flags&OF_SHOULD_BE_DEAD)
322 return; //don't start if dead!
324 // Dematerialize Buddy!
325 for (i=0; i<=Highest_object_index; i++)
326 if (Objects[i].type == OBJ_ROBOT)
327 if (Robot_info[Objects[i].id].companion) {
328 object_create_explosion(Objects[i].segnum, &Objects[i].pos, F1_0*7/2, VCLIP_POWERUP_DISAPPEARANCE );
329 Objects[i].flags |= OF_SHOULD_BE_DEAD;
332 Players[Player_num].homing_object_dist = -F1_0; // Turn off homing sound.
334 reset_rear_view(); //turn off rear view if set
337 if (Game_mode & GM_MULTI) {
338 multi_send_endlevel_start(0);
339 network_do_frame(1, 1);
343 if (PLAYING_BUILTIN_MISSION) // only play movie for built-in mission
344 if (!(Game_mode & GM_MULTI))
345 movie_played = start_endlevel_movie();
347 if (!(Game_mode & GM_MULTI) && (movie_played == MOVIE_NOT_PLAYED) && endlevel_data_loaded)
348 { //don't have movie. Do rendered sequence, if available
349 int exit_models_loaded = 0;
351 if (Piggy_hamfile_version < 3)
352 exit_models_loaded = 1; // built-in for PC shareware
355 exit_models_loaded = load_exit_models();
357 if (exit_models_loaded)
359 start_rendered_endlevel_sequence();
364 //don't have movie or rendered sequence, fade out
365 gr_palette_fade_out(gr_palette, 32, 0);
367 PlayerFinishedLevel(0); //done with level
370 static int cockpit_mode_save;
372 void start_rendered_endlevel_sequence()
374 int last_segnum,exit_side,tunnel_length;
377 int segnum,old_segnum,entry_side,i;
379 //count segments in exit tunnel
381 old_segnum = ConsoleObject->segnum;
382 exit_side = find_exit_side(ConsoleObject);
383 segnum = Segments[old_segnum].children[exit_side];
386 entry_side = matt_find_connect_side(segnum,old_segnum);
387 exit_side = Side_opposite[entry_side];
389 segnum = Segments[segnum].children[exit_side];
391 } while (segnum >= 0);
394 PlayerFinishedLevel(0); //don't do special sequence
398 last_segnum = old_segnum;
400 //now pick transition segnum 1/3 of the way in
402 old_segnum = ConsoleObject->segnum;
403 exit_side = find_exit_side(ConsoleObject);
404 segnum = Segments[old_segnum].children[exit_side];
408 entry_side = matt_find_connect_side(segnum,old_segnum);
409 exit_side = Side_opposite[entry_side];
411 segnum = Segments[segnum].children[exit_side];
413 transition_segnum = segnum;
417 cockpit_mode_save = Cockpit_mode;
420 if (Game_mode & GM_MULTI) {
421 multi_send_endlevel_start(0);
422 network_do_frame(1, 1);
427 Assert(last_segnum == exit_segnum);
428 // songs_play_song( SONG_ENDLEVEL, 0 ); // JTS: Until we get an exit song, just don't worry
431 Endlevel_sequence = EL_FLYTHROUGH;
433 ConsoleObject->movement_type = MT_NONE; //movement handled by flythrough
434 ConsoleObject->control_type = CT_NONE;
436 Game_suspended |= SUSP_ROBOTS; //robots don't move
438 cur_fly_speed = desired_fly_speed = FLY_SPEED;
440 start_endlevel_flythrough(0,ConsoleObject,cur_fly_speed); //initialize
442 HUD_init_message( TXT_EXIT_SEQUENCE );
444 outside_mine = ext_expl_playing = 0;
454 extern flythrough_data fly_objects[];
456 extern object *slew_obj;
458 vms_angvec player_angles,player_dest_angles;
459 vms_angvec camera_desired_angles,camera_cur_angles;
461 #define CHASE_TURN_RATE (0x4000/4) //max turn per second
463 //returns bitmask of which angles are at dest. bits 0,1,2 = p,b,h
464 int chase_angles(vms_angvec *cur_angles,vms_angvec *desired_angles)
466 vms_angvec delta_angs,alt_angles,alt_delta_angs;
467 fix total_delta,alt_total_delta;
471 delta_angs.p = desired_angles->p - cur_angles->p;
472 delta_angs.h = desired_angles->h - cur_angles->h;
473 delta_angs.b = desired_angles->b - cur_angles->b;
476 //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);
478 total_delta = abs(delta_angs.p) + abs(delta_angs.b) + abs(delta_angs.h);
480 alt_angles.p = f1_0/2 - cur_angles->p;
481 alt_angles.b = cur_angles->b + f1_0/2;
482 alt_angles.h = cur_angles->h + f1_0/2;
484 alt_delta_angs.p = desired_angles->p - alt_angles.p;
485 alt_delta_angs.h = desired_angles->h - alt_angles.h;
486 alt_delta_angs.b = desired_angles->b - alt_angles.b;
487 //alt_delta_angs.b = 0;
489 alt_total_delta = abs(alt_delta_angs.p) + abs(alt_delta_angs.b) + abs(alt_delta_angs.h);
491 //printf("Total delta = %x, alt total_delta = %x\n",total_delta,alt_total_delta);
493 if (alt_total_delta < total_delta) {
494 //mprintf((0,"FLIPPING ANGLES!\n"));
495 //printf("FLIPPING ANGLES!\n");
496 *cur_angles = alt_angles;
497 delta_angs = alt_delta_angs;
500 frame_turn = fixmul(FrameTime,CHASE_TURN_RATE);
502 if (abs(delta_angs.p) < frame_turn) {
503 cur_angles->p = desired_angles->p;
507 if (delta_angs.p > 0)
508 cur_angles->p += frame_turn;
510 cur_angles->p -= frame_turn;
512 if (abs(delta_angs.b) < frame_turn) {
513 cur_angles->b = desired_angles->b;
517 if (delta_angs.b > 0)
518 cur_angles->b += frame_turn;
520 cur_angles->b -= frame_turn;
523 if (abs(delta_angs.h) < frame_turn) {
524 cur_angles->h = desired_angles->h;
528 if (delta_angs.h > 0)
529 cur_angles->h += frame_turn;
531 cur_angles->h -= frame_turn;
536 void stop_endlevel_sequence()
538 Interpolation_method = 0;
540 gr_palette_fade_out(gr_palette, 32, 0);
542 select_cockpit(cockpit_mode_save);
544 Endlevel_sequence = EL_OFF;
546 PlayerFinishedLevel(0);
550 #define VCLIP_BIG_PLAYER_EXPLOSION 58
552 //--unused-- vms_vector upvec = {0,f1_0,0};
554 //find the angle between the player's heading & the station
555 void get_angs_to_object(vms_angvec *av,vms_vector *targ_pos,vms_vector *cur_pos)
559 vm_vec_sub(&tv,targ_pos,cur_pos);
561 vm_extract_angles_vector(av,&tv);
564 void do_endlevel_frame()
567 static fix bank_rate;
568 vms_vector save_last_pos;
569 static fix explosion_wait1=0;
570 static fix explosion_wait2=0;
571 static fix ext_expl_halflife;
573 save_last_pos = ConsoleObject->last_pos; //don't let move code change this
575 ConsoleObject->last_pos = save_last_pos;
577 if (ext_expl_playing) {
579 external_explosion.lifeleft -= FrameTime;
580 do_explosion_sequence(&external_explosion);
582 if (external_explosion.lifeleft < ext_expl_halflife)
585 if (external_explosion.flags & OF_SHOULD_BE_DEAD)
586 ext_expl_playing = 0;
589 if (cur_fly_speed != desired_fly_speed) {
590 fix delta = desired_fly_speed - cur_fly_speed;
591 fix frame_accel = fixmul(FrameTime,FLY_ACCEL);
593 if (abs(delta) < frame_accel)
594 cur_fly_speed = desired_fly_speed;
597 cur_fly_speed += frame_accel;
599 cur_fly_speed -= frame_accel;
605 if (Endlevel_sequence==EL_OUTSIDE) {
608 vm_vec_sub(&tvec,&ConsoleObject->pos,&mine_side_exit_point);
610 if (vm_vec_dot(&tvec,&mine_exit_orient.fvec) > 0) {
615 tobj = object_create_explosion(exit_segnum,&mine_side_exit_point,i2f(50),VCLIP_BIG_PLAYER_EXPLOSION);
618 external_explosion = *tobj;
620 tobj->flags |= OF_SHOULD_BE_DEAD;
622 flash_scale = 0; //kill lights in mine
624 ext_expl_halflife = tobj->lifeleft;
626 ext_expl_playing = 1;
629 digi_link_sound_to_pos( SOUND_BIG_ENDLEVEL_EXPLOSION, exit_segnum, 0, &mine_side_exit_point, 0, i2f(3)/4 );
633 //do explosions chasing player
634 if ((explosion_wait1-=FrameTime) < 0) {
638 static int sound_count;
640 vm_vec_scale_add(&tpnt,&ConsoleObject->pos,&ConsoleObject->orient.fvec,-ConsoleObject->size*5);
641 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*15);
642 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*15);
644 segnum = find_point_seg(&tpnt,ConsoleObject->segnum);
647 expl = object_create_explosion(segnum,&tpnt,i2f(20),VCLIP_BIG_PLAYER_EXPLOSION);
648 if (d_rand()<10000 || ++sound_count==7) { //pseudo-random
649 digi_link_sound_to_pos( SOUND_TUNNEL_EXPLOSION, segnum, 0, &tpnt, 0, F1_0 );
654 explosion_wait1 = 0x2000 + d_rand()/4;
659 //do little explosions on walls
660 if (Endlevel_sequence >= EL_FLYTHROUGH && Endlevel_sequence < EL_OUTSIDE)
661 if ((explosion_wait2-=FrameTime) < 0) {
666 //create little explosion on wall
668 vm_vec_copy_scale(&tpnt,&ConsoleObject->orient.rvec,(d_rand()-RAND_MAX/2)*100);
669 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.uvec,(d_rand()-RAND_MAX/2)*100);
670 vm_vec_add2(&tpnt,&ConsoleObject->pos);
672 if (Endlevel_sequence == EL_FLYTHROUGH)
673 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*200);
675 vm_vec_scale_add2(&tpnt,&ConsoleObject->orient.fvec,d_rand()*60);
677 //find hit point on wall
679 fq.p0 = &ConsoleObject->pos;
681 fq.startseg = ConsoleObject->segnum;
684 fq.ignore_obj_list = NULL;
687 find_vector_intersection(&fq,&hit_data);
689 if (hit_data.hit_type==HIT_WALL && hit_data.hit_seg!=-1)
690 object_create_explosion(hit_data.hit_seg,&hit_data.hit_pnt,i2f(3)+d_rand()*6,VCLIP_SMALL_EXPLOSION);
692 explosion_wait2 = (0xa00 + d_rand()/8)/2;
695 switch (Endlevel_sequence) {
699 case EL_FLYTHROUGH: {
701 do_endlevel_flythrough(0);
703 if (ConsoleObject->segnum == transition_segnum) {
705 if (PLAYING_BUILTIN_MISSION && start_endlevel_movie() != MOVIE_NOT_PLAYED)
706 stop_endlevel_sequence();
710 //songs_play_song( SONG_ENDLEVEL, 0 );
712 Endlevel_sequence = EL_LOOKBACK;
714 objnum = obj_create(OBJ_CAMERA, 0,
715 ConsoleObject->segnum,&ConsoleObject->pos,&ConsoleObject->orient,0,
716 CT_NONE,MT_NONE,RT_NONE);
718 if (objnum == -1) { //can't get object, so abort
719 mprintf((1, "Can't get object for endlevel sequence. Aborting endlevel sequence.\n"));
720 stop_endlevel_sequence();
724 Viewer = endlevel_camera = &Objects[objnum];
726 select_cockpit(CM_LETTERBOX);
728 fly_objects[1] = fly_objects[0];
729 fly_objects[1].obj = endlevel_camera;
730 fly_objects[1].speed = (5*cur_fly_speed)/4;
731 fly_objects[1].offset_frac = 0x4000;
733 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,i2f(7));
746 do_endlevel_flythrough(0);
747 do_endlevel_flythrough(1);
753 if (timer < 0) //reduce speed
754 fly_objects[1].speed = fly_objects[0].speed;
757 if (endlevel_camera->segnum == exit_segnum) {
758 vms_angvec cam_angles,exit_seg_angles;
760 Endlevel_sequence = EL_OUTSIDE;
764 vm_vec_negate(&endlevel_camera->orient.fvec);
765 vm_vec_negate(&endlevel_camera->orient.rvec);
767 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
768 vm_extract_angles_matrix(&exit_seg_angles,&mine_exit_orient);
769 bank_rate = (-exit_seg_angles.b - cam_angles.b)/2;
771 ConsoleObject->control_type = endlevel_camera->control_type = CT_NONE;
774 slew_obj = endlevel_camera;
783 vms_angvec cam_angles;
786 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
788 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,-2*cur_fly_speed));
789 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.uvec,fixmul(FrameTime,-cur_fly_speed/10));
791 vm_extract_angles_matrix(&cam_angles,&endlevel_camera->orient);
792 cam_angles.b += fixmul(bank_rate,FrameTime);
793 vm_angles_2_matrix(&endlevel_camera->orient,&cam_angles);
800 Endlevel_sequence = EL_STOPPED;
802 vm_extract_angles_matrix(&player_angles,&ConsoleObject->orient);
813 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
814 chase_angles(&player_angles,&player_dest_angles);
815 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
817 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
824 slew_obj = endlevel_camera;
825 _do_slew_movement(endlevel_camera,1,1);
826 timer += FrameTime; //make time stop
830 #ifdef SHORT_SEQUENCE
832 stop_endlevel_sequence();
835 Endlevel_sequence = EL_PANNING;
837 vm_extract_angles_matrix(&camera_cur_angles,&endlevel_camera->orient);
842 if (Game_mode & GM_MULTI) { // try to skip part of the seq if multiplayer
843 stop_endlevel_sequence();
847 //mprintf((0,"Switching to pan...\n"));
848 #endif //SHORT_SEQUENCE
855 #ifndef SHORT_SEQUENCE
861 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
862 chase_angles(&player_angles,&player_dest_angles);
863 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
864 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
867 _do_slew_movement(endlevel_camera,1,1);
870 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
871 mask = chase_angles(&camera_cur_angles,&camera_desired_angles);
872 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
878 Endlevel_sequence = EL_CHASING;
880 vm_vec_normalized_dir_quick(&tvec,&station_pos,&ConsoleObject->pos);
881 vm_vector_2_matrix(&ConsoleObject->orient,&tvec,&surface_orient.uvec,NULL);
883 desired_fly_speed *= 2;
885 //mprintf((0,"Switching to chase...\n"));
897 _do_slew_movement(endlevel_camera,1,1);
900 get_angs_to_object(&camera_desired_angles,&ConsoleObject->pos,&endlevel_camera->pos);
901 chase_angles(&camera_cur_angles,&camera_desired_angles);
904 vm_angles_2_matrix(&endlevel_camera->orient,&camera_cur_angles);
907 d = vm_vec_dist_quick(&ConsoleObject->pos,&endlevel_camera->pos);
909 speed_scale = fixdiv(d,i2f(0x20));
912 get_angs_to_object(&player_dest_angles,&station_pos,&ConsoleObject->pos);
913 chase_angles(&player_angles,&player_dest_angles);
914 vm_angles_2_matrix(&ConsoleObject->orient,&player_angles);
916 vm_vec_scale_add2(&ConsoleObject->pos,&ConsoleObject->orient.fvec,fixmul(FrameTime,cur_fly_speed));
918 vm_vec_scale_add2(&endlevel_camera->pos,&endlevel_camera->orient.fvec,fixmul(FrameTime,fixmul(speed_scale,cur_fly_speed)));
920 if (vm_vec_dist(&ConsoleObject->pos,&station_pos) < i2f(10))
921 stop_endlevel_sequence();
927 #endif //ifdef SHORT_SEQUENCE
935 //find which side to fly out of
936 int find_exit_side(object *obj)
939 vms_vector prefvec,segcenter,sidevec;
942 segment *pseg = &Segments[obj->segnum];
946 vm_vec_normalized_dir_quick(&prefvec,&obj->pos,&obj->last_pos);
948 compute_segment_center(&segcenter,pseg);
951 for (i=MAX_SIDES_PER_SEGMENT;--i >= 0;) {
954 if (pseg->children[i]!=-1) {
956 compute_center_point_on_side(&sidevec,pseg,i);
957 vm_vec_normalized_dir_quick(&sidevec,&sidevec,&segcenter);
958 d = vm_vec_dotprod(&sidevec,&prefvec);
960 if (labs(d) < MIN_D) d=0;
962 if (d > best_val) {best_val=d; best_side=i;}
967 Assert(best_side!=-1);
972 extern fix Render_zoom; //the player's zoom factor
974 extern vms_vector Viewer_eye; //valid during render
976 void draw_exit_model()
978 vms_vector model_pos;
981 vm_vec_scale_add(&model_pos,&mine_exit_point,&mine_exit_orient.fvec,i2f(f));
982 vm_vec_scale_add2(&model_pos,&mine_exit_orient.uvec,i2f(u));
984 draw_polygon_model(&model_pos,&mine_exit_orient,NULL,(mine_destroyed)?destroyed_exit_modelnum:exit_modelnum,0,f1_0,NULL,NULL);
988 int exit_point_bmx,exit_point_bmy;
990 fix satellite_size = i2f(400);
992 #define SATELLITE_DIST i2f(1024)
993 #define SATELLITE_WIDTH satellite_size
994 #define SATELLITE_HEIGHT ((satellite_size*9)/4) //((satellite_size*5)/2)
996 void render_external_scene(fix eye_offset)
999 Viewer_eye = Viewer->pos;
1002 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1004 g3_set_view_matrix(&Viewer->pos,&Viewer->orient,Render_zoom);
1006 //g3_draw_horizon(BM_XRGB(0,0,0),BM_XRGB(16,16,16)); //,-1);
1007 gr_clear_canvas(BM_XRGB(0,0,0));
1009 g3_start_instance_matrix(&vmd_zero_vector,&surface_orient);
1016 g3s_point p,top_pnt;
1018 g3_rotate_point(&p,&satellite_pos);
1019 g3_rotate_delta_vec(&delta,&satellite_upvec);
1021 g3_add_delta_vec(&top_pnt,&p,&delta);
1023 if (! (p.p3_codes & CC_BEHIND)) {
1024 int save_im = Interpolation_method;
1025 //p.p3_flags &= ~PF_PROJECTED;
1026 //g3_project_point(&p);
1027 if (! (p.p3_flags & PF_OVERFLOW)) {
1028 Interpolation_method = 0;
1029 //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1030 g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1031 Interpolation_method = save_im;
1036 #ifdef STATION_ENABLED
1037 draw_polygon_model(&station_pos,&vmd_identity_matrix,NULL,station_modelnum,0,f1_0,NULL,NULL);
1040 render_terrain(&mine_ground_exit_point,exit_point_bmx,exit_point_bmy);
1043 if (ext_expl_playing)
1044 draw_fireball(&external_explosion);
1047 render_object(ConsoleObject);
1051 #define MAX_STARS 500
1053 vms_vector stars[MAX_STARS];
1055 void generate_starfield()
1059 for (i=0;i<MAX_STARS;i++) {
1061 stars[i].x = (d_rand() - RAND_MAX/2) << 14;
1062 stars[i].z = (d_rand() - RAND_MAX/2) << 14;
1063 stars[i].y = (d_rand()/2) << 14;
1074 for (i=0;i<MAX_STARS;i++) {
1077 gr_setcolor(BM_XRGB(intensity,intensity,intensity));
1081 //g3_rotate_point(&p,&stars[i]);
1082 g3_rotate_delta_vec(&p.p3_vec,&stars[i]);
1085 if (p.p3_codes == 0) {
1087 p.p3_flags &= ~PF_PROJECTED;
1089 g3_project_point(&p);
1091 gr_pixel(f2i(p.p3_sx),f2i(p.p3_sy));
1096 //@@ vms_vector delta;
1097 //@@ g3s_point top_pnt;
1099 //@@ g3_rotate_point(&p,&satellite_pos);
1100 //@@ g3_rotate_delta_vec(&delta,&satellite_upvec);
1102 //@@ g3_add_delta_vec(&top_pnt,&p,&delta);
1104 //@@ if (! (p.p3_codes & CC_BEHIND)) {
1105 //@@ int save_im = Interpolation_method;
1106 //@@ Interpolation_method = 0;
1107 //@@ //p.p3_flags &= ~PF_PROJECTED;
1108 //@@ g3_project_point(&p);
1109 //@@ if (! (p.p3_flags & PF_OVERFLOW))
1110 //@@ //gr_bitmapm(f2i(p.p3_sx)-32,f2i(p.p3_sy)-32,satellite_bitmap);
1111 //@@ g3_draw_rod_tmap(satellite_bitmap,&p,SATELLITE_WIDTH,&top_pnt,SATELLITE_WIDTH,f1_0);
1112 //@@ Interpolation_method = save_im;
1118 void endlevel_render_mine(fix eye_offset)
1122 Viewer_eye = Viewer->pos;
1124 if (Viewer->type == OBJ_PLAYER )
1125 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.fvec,(Viewer->size*3)/4);
1128 vm_vec_scale_add2(&Viewer_eye,&Viewer->orient.rvec,eye_offset);
1131 if (Function_mode==FMODE_EDITOR)
1132 Viewer_eye = Viewer->pos;
1135 if (Endlevel_sequence >= EL_OUTSIDE) {
1137 start_seg_num = exit_segnum;
1140 start_seg_num = find_point_seg(&Viewer_eye,Viewer->segnum);
1142 if (start_seg_num==-1)
1143 start_seg_num = Viewer->segnum;
1146 if (Endlevel_sequence == EL_LOOKBACK) {
1147 vms_matrix headm,viewm;
1148 vms_angvec angles = {0,0,0x7fff};
1150 vm_angles_2_matrix(&headm,&angles);
1151 vm_matrix_x_matrix(&viewm,&Viewer->orient,&headm);
1152 g3_set_view_matrix(&Viewer_eye,&viewm,Render_zoom);
1155 g3_set_view_matrix(&Viewer_eye,&Viewer->orient,Render_zoom);
1157 render_mine(start_seg_num,eye_offset, 0);
1160 void render_endlevel_frame(fix eye_offset)
1165 if (Endlevel_sequence < EL_OUTSIDE)
1166 endlevel_render_mine(eye_offset);
1168 render_external_scene(eye_offset);
1175 ///////////////////////// copy of flythrough code for endlevel
1178 #define MAX_FLY_OBJECTS 2
1180 flythrough_data fly_objects[MAX_FLY_OBJECTS];
1182 flythrough_data *flydata;
1184 int matt_find_connect_side(int seg0,int seg1);
1186 void compute_segment_center(vms_vector *vp,segment *sp);
1188 fixang delta_ang(fixang a,fixang b);
1189 fixang interp_angle(fixang dest,fixang src,fixang step);
1191 #define DEFAULT_SPEED i2f(16)
1195 //if speed is zero, use default speed
1196 void start_endlevel_flythrough(int n,object *obj,fix speed)
1198 flydata = &fly_objects[n];
1202 flydata->first_time = 1;
1204 flydata->speed = speed?speed:DEFAULT_SPEED;
1206 flydata->offset_frac = 0;
1209 static vms_angvec *angvec_add2_scale(vms_angvec *dest,vms_vector *src,fix s)
1211 dest->p += fixmul(src->x,s);
1212 dest->b += fixmul(src->z,s);
1213 dest->h += fixmul(src->y,s);
1218 #define MAX_ANGSTEP 0x4000 //max turn per second
1220 #define MAX_SLIDE_PER_SEGMENT 0x10000
1222 void do_endlevel_flythrough(int n)
1228 flydata = &fly_objects[n];
1231 old_player_seg = obj->segnum;
1233 //move the player for this frame
1235 if (!flydata->first_time) {
1237 vm_vec_scale_add2(&obj->pos,&flydata->step,FrameTime);
1238 angvec_add2_scale(&flydata->angles,&flydata->angstep,FrameTime);
1240 vm_angles_2_matrix(&obj->orient,&flydata->angles);
1243 //check new player seg
1245 update_object_seg(obj);
1246 pseg = &Segments[obj->segnum];
1248 if (flydata->first_time || obj->segnum != old_player_seg) { //moved into new seg
1249 vms_vector curcenter,nextcenter;
1250 fix step_size,seg_time;
1251 short entry_side,exit_side = -1;//what sides we entry and leave through
1252 vms_vector dest_point; //where we are heading (center of exit_side)
1253 vms_angvec dest_angles; //where we want to be pointing
1254 vms_matrix dest_orient;
1259 //find new exit side
1261 if (!flydata->first_time) {
1263 entry_side = matt_find_connect_side(obj->segnum,old_player_seg);
1264 exit_side = Side_opposite[entry_side];
1267 if (flydata->first_time || entry_side==-1 || pseg->children[exit_side]==-1)
1268 exit_side = find_exit_side(obj);
1270 { //find closest side to align to
1271 fix d,largest_d=-f1_0;
1277 get_side_normal(pseg, i, 0, &v1 );
1278 d = vm_vec_dot(&v1,&flydata->obj->orient.uvec);
1280 d = vm_vec_dot(&pseg->sides[i].normals[0],&flydata->obj->orient.uvec);
1282 if (d > largest_d) {largest_d = d; up_side=i;}
1287 //update target point & angles
1289 compute_center_point_on_side(&dest_point,pseg,exit_side);
1291 //update target point and movement points
1293 //offset object sideways
1294 if (flydata->offset_frac) {
1300 if (i!=entry_side && i!=exit_side && i!=up_side && i!=Side_opposite[up_side])
1308 compute_center_point_on_side(&s0p,pseg,s0);
1309 compute_center_point_on_side(&s1p,pseg,s1);
1310 dist = fixmul(vm_vec_dist(&s0p,&s1p),flydata->offset_frac);
1312 if (dist-flydata->offset_dist > MAX_SLIDE_PER_SEGMENT)
1313 dist = flydata->offset_dist + MAX_SLIDE_PER_SEGMENT;
1315 flydata->offset_dist = dist;
1317 vm_vec_scale_add2(&dest_point,&obj->orient.rvec,dist);
1321 vm_vec_sub(&flydata->step,&dest_point,&obj->pos);
1322 step_size = vm_vec_normalize_quick(&flydata->step);
1323 vm_vec_scale(&flydata->step,flydata->speed);
1325 compute_segment_center(&curcenter,pseg);
1326 compute_segment_center(&nextcenter,&Segments[pseg->children[exit_side]]);
1327 vm_vec_sub(&flydata->headvec,&nextcenter,&curcenter);
1332 get_side_normal(pseg, up_side, 0, &_v1 );
1333 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&_v1,NULL);
1336 vm_vector_2_matrix(&dest_orient,&flydata->headvec,&pseg->sides[up_side].normals[0],NULL);
1338 vm_extract_angles_matrix(&dest_angles,&dest_orient);
1340 if (flydata->first_time)
1341 vm_extract_angles_matrix(&flydata->angles,&obj->orient);
1343 seg_time = fixdiv(step_size,flydata->speed); //how long through seg
1346 flydata->angstep.x = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.p,dest_angles.p),seg_time)));
1347 flydata->angstep.z = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.b,dest_angles.b),seg_time)));
1348 flydata->angstep.y = max(-MAX_ANGSTEP,min(MAX_ANGSTEP,fixdiv(delta_ang(flydata->angles.h,dest_angles.h),seg_time)));
1352 flydata->angles = dest_angles;
1353 flydata->angstep.x = flydata->angstep.y = flydata->angstep.z = 0;
1357 flydata->first_time=0;
1361 #define ROT_SPEED 8 //rate of rotation while key held down
1362 #define VEL_SPEED (15) //rate of acceleration while key held down
1364 extern short old_joy_x,old_joy_y; //position last time around
1369 #ifdef SLEW_ON //this is a special routine for slewing around external scene
1370 int _do_slew_movement(object *obj, int check_keys, int check_joy )
1373 vms_vector svel, movement; //scaled velocity (per this frame)
1374 vms_matrix rotmat,new_pm;
1375 int joy_x,joy_y,btns;
1376 int joyx_moved,joyy_moved;
1379 if (keyd_pressed[KEY_PAD5])
1380 vm_vec_zero(&obj->phys_info.velocity);
1383 obj->phys_info.velocity.x += VEL_SPEED * (key_down_time(KEY_PAD9) - key_down_time(KEY_PAD7));
1384 obj->phys_info.velocity.y += VEL_SPEED * (key_down_time(KEY_PADMINUS) - key_down_time(KEY_PADPLUS));
1385 obj->phys_info.velocity.z += VEL_SPEED * (key_down_time(KEY_PAD8) - key_down_time(KEY_PAD2));
1387 rotang.pitch = (key_down_time(KEY_LBRACKET) - key_down_time(KEY_RBRACKET))/ROT_SPEED;
1388 rotang.bank = (key_down_time(KEY_PAD1) - key_down_time(KEY_PAD3))/ROT_SPEED;
1389 rotang.head = (key_down_time(KEY_PAD6) - key_down_time(KEY_PAD4))/ROT_SPEED;
1392 rotang.pitch = rotang.bank = rotang.head = 0;
1394 //check for joystick movement
1396 if (check_joy && joy_present) {
1397 joy_get_pos(&joy_x,&joy_y);
1398 btns=joy_get_btns();
1400 joyx_moved = (abs(joy_x - old_joy_x)>JOY_NULL);
1401 joyy_moved = (abs(joy_y - old_joy_y)>JOY_NULL);
1403 if (abs(joy_x) < JOY_NULL) joy_x = 0;
1404 if (abs(joy_y) < JOY_NULL) joy_y = 0;
1407 if (!rotang.pitch) rotang.pitch = fixmul(-joy_y * 512,FrameTime); else;
1409 if (joyy_moved) obj->phys_info.velocity.z = -joy_y * 8192;
1411 if (!rotang.head) rotang.head = fixmul(joy_x * 512,FrameTime);
1413 if (joyx_moved) old_joy_x = joy_x;
1414 if (joyy_moved) old_joy_y = joy_y;
1417 moved = rotang.pitch | rotang.bank | rotang.head;
1419 vm_angles_2_matrix(&rotmat,&rotang);
1420 vm_matrix_x_matrix(&new_pm,&obj->orient,&rotmat);
1421 obj->orient = new_pm;
1422 vm_transpose_matrix(&new_pm); //make those columns rows
1424 moved |= obj->phys_info.velocity.x | obj->phys_info.velocity.y | obj->phys_info.velocity.z;
1426 svel = obj->phys_info.velocity;
1427 vm_vec_scale(&svel,FrameTime); //movement in this frame
1428 vm_vec_rotate(&movement,&svel,&new_pm);
1430 vm_vec_add2(&obj->pos,&movement);
1432 moved |= (movement.x || movement.y || movement.z);
1441 #define STATION_DIST i2f(1024)
1443 int convert_ext( char *dest, char *ext )
1447 t = strchr(dest,'.');
1449 if (t && (t-dest <= 8)) {
1459 //called for each level to load & setup the exit sequence
1460 void load_endlevel_data(int level_num)
1463 char line[LINE_LEN],*p;
1465 int var,segnum,sidenum;
1467 int have_binary = 0;
1469 endlevel_data_loaded = 0; //not loaded yet
1474 if (level_num<0) //secret level
1475 strcpy(filename,Secret_level_names[-level_num-1]);
1477 strcpy(filename,Level_names[level_num-1]);
1479 if (!convert_ext(filename,"END"))
1480 Error("Error converting filename <%s> for endlevel data\n",filename);
1482 ifile = cfopen(filename,"rb");
1486 convert_ext(filename,"txb");
1488 ifile = cfopen(filename,"rb");
1492 con_printf(CON_DEBUG, "Cannot load file text of binary version of <%s>\n",filename);
1493 endlevel_data_loaded = 0; // won't be able to play endlevel sequence
1505 //ok...this parser is pretty simple. It ignores comments, but
1506 //everything else must be in the right place
1510 while (cfgets(line,LINE_LEN,ifile)) {
1513 decode_text_line (line);
1515 if ((p=strchr(line,';'))!=NULL)
1516 *p = 0; //cut off comment
1518 for (p=line+strlen(line);p>line && isspace(*p);*p--=0);
1519 for (p=line;isspace(*p);p++);
1521 if (!*p) //empty line
1526 case 0: { //ground terrain
1530 if (terrain_bm_instance.bm_data)
1531 d_free(terrain_bm_instance.bm_data);
1533 Assert(terrain_bm_instance.bm_data == NULL);
1535 iff_error = iff_read_bitmap(p,&terrain_bm_instance,BM_LINEAR,pal);
1536 if (iff_error != IFF_NO_ERROR) {
1537 Warning("Can't load exit terrain from file %s: IFF error: %s",
1538 p, iff_errormsg(iff_error));
1539 endlevel_data_loaded = 0; // won't be able to play endlevel sequence
1543 terrain_bitmap = &terrain_bm_instance;
1545 gr_remap_bitmap_good( terrain_bitmap, pal, iff_transparent_color, -1);
1550 case 1: //height map
1558 sscanf(p,"%d,%d",&exit_point_bmx,&exit_point_bmy);
1561 case 3: //exit heading
1563 exit_angles.h = i2f(atoi(p))/360;
1566 case 4: { //planet bitmap
1570 if (satellite_bm_instance.bm_data)
1571 d_free(satellite_bm_instance.bm_data);
1573 iff_error = iff_read_bitmap(p,&satellite_bm_instance,BM_LINEAR,pal);
1574 if (iff_error != IFF_NO_ERROR) {
1575 Warning("Can't load exit satellite from file %s: IFF error: %s",
1576 p, iff_errormsg(iff_error));
1577 endlevel_data_loaded = 0; // won't be able to play endlevel sequence
1581 satellite_bitmap = &satellite_bm_instance;
1582 gr_remap_bitmap_good( satellite_bitmap, pal, iff_transparent_color, -1);
1588 case 7: { //station pos
1593 sscanf(p,"%d,%d",&head,&pitch);
1595 ta.h = i2f(head)/360;
1596 ta.p = -i2f(pitch)/360;
1599 vm_angles_2_matrix(&tm,&ta);
1602 satellite_pos = tm.fvec;
1603 //vm_vec_copy_scale(&satellite_pos,&tm.fvec,SATELLITE_DIST);
1605 station_pos = tm.fvec;
1610 case 6: //planet size
1611 satellite_size = i2f(atoi(p));
1619 Assert(var == NUM_VARS);
1622 // OK, now the data is loaded. Initialize everything
1624 //find the exit sequence by searching all segments for a side with
1627 for (segnum=0,exit_segnum=-1;exit_segnum==-1 && segnum<=Highest_segment_index;segnum++)
1628 for (sidenum=0;sidenum<6;sidenum++)
1629 if (Segments[segnum].children[sidenum] == -2) {
1630 exit_segnum = segnum;
1631 exit_side = sidenum;
1635 Assert(exit_segnum!=-1);
1637 compute_segment_center(&mine_exit_point,&Segments[exit_segnum]);
1638 extract_orient_from_segment(&mine_exit_orient,&Segments[exit_segnum]);
1639 compute_center_point_on_side(&mine_side_exit_point,&Segments[exit_segnum],exit_side);
1641 vm_vec_scale_add(&mine_ground_exit_point,&mine_exit_point,&mine_exit_orient.uvec,-i2f(20));
1643 //compute orientation of surface
1646 vms_matrix exit_orient,tm;
1648 vm_angles_2_matrix(&exit_orient,&exit_angles);
1649 vm_transpose_matrix(&exit_orient);
1650 vm_matrix_x_matrix(&surface_orient,&mine_exit_orient,&exit_orient);
1652 vm_copy_transpose_matrix(&tm,&surface_orient);
1653 vm_vec_rotate(&tv,&station_pos,&tm);
1654 vm_vec_scale_add(&station_pos,&mine_exit_point,&tv,STATION_DIST);
1656 vm_vec_rotate(&tv,&satellite_pos,&tm);
1657 vm_vec_scale_add(&satellite_pos,&mine_exit_point,&tv,SATELLITE_DIST);
1659 vm_vector_2_matrix(&tm,&tv,&surface_orient.uvec,NULL);
1660 vm_vec_copy_scale(&satellite_upvec,&tm.uvec,SATELLITE_HEIGHT);
1667 endlevel_data_loaded = 1;