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8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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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: cntrlcen.c,v 1.6 2002-08-06 01:31:07 btb Exp $";
50 //@@vms_vector controlcen_gun_points[MAX_CONTROLCEN_GUNS];
51 //@@vms_vector controlcen_gun_dirs[MAX_CONTROLCEN_GUNS];
53 reactor Reactors[MAX_REACTORS];
56 control_center_triggers ControlCenterTriggers;
58 int N_controlcen_guns;
59 int Control_center_been_hit;
60 int Control_center_player_been_seen;
61 int Control_center_next_fire_time;
62 int Control_center_present;
64 vms_vector Gun_pos[MAX_CONTROLCEN_GUNS], Gun_dir[MAX_CONTROLCEN_GUNS];
66 void do_countdown_frame();
68 // -----------------------------------------------------------------------------
69 //return the position & orientation of a gun on the control center object
70 void calc_controlcen_gun_point(vms_vector *gun_point,vms_vector *gun_dir,object *obj,int gun_num)
75 Assert(obj->type == OBJ_CNTRLCEN);
76 Assert(obj->render_type==RT_POLYOBJ);
78 reactor = &Reactors[obj->id];
80 Assert(gun_num < reactor->n_guns);
82 //instance gun position & orientation
84 vm_copy_transpose_matrix(&m,&obj->orient);
86 vm_vec_rotate(gun_point,&reactor->gun_points[gun_num],&m);
87 vm_vec_add2(gun_point,&obj->pos);
88 vm_vec_rotate(gun_dir,&reactor->gun_dirs[gun_num],&m);
91 // -----------------------------------------------------------------------------
92 // Look at control center guns, find best one to fire at *objp.
93 // Return best gun number (one whose direction dotted with vector to player is largest).
94 // If best gun has negative dot, return -1, meaning no gun is good.
95 int calc_best_gun(int num_guns, vms_vector *gun_pos, vms_vector *gun_dir, vms_vector *objpos)
104 for (i=0; i<num_guns; i++) {
108 vm_vec_sub(&gun_vec, objpos, &gun_pos[i]);
109 vm_vec_normalize_quick(&gun_vec);
110 dot = vm_vec_dot(&gun_dir[i], &gun_vec);
112 if (dot > best_dot) {
118 Assert(best_gun != -1); // Contact Mike. This is impossible. Or maybe you're getting an unnormalized vector somewhere.
127 extern fix Player_time_of_death; // object.c
129 int Dead_controlcen_object_num=-1;
131 //how long to blow up on insane
132 int Base_control_center_explosion_time=DEFAULT_CONTROL_CENTER_EXPLOSION_TIME;
134 int Control_center_destroyed = 0;
135 fix Countdown_timer=0;
136 int Countdown_seconds_left=0, Total_countdown_time=0; //in whole seconds
138 int Alan_pavlish_reactor_times[NDL] = {90, 60, 45, 35, 30};
140 // -----------------------------------------------------------------------------
141 // Called every frame. If control center been destroyed, then actually do something.
142 void do_controlcen_dead_frame(void)
144 if ((Dead_controlcen_object_num != -1) && (Countdown_seconds_left > 0))
145 if (d_rand() < FrameTime*4)
146 create_small_fireball_on_object(&Objects[Dead_controlcen_object_num], F1_0, 1);
148 if (Control_center_destroyed && !Endlevel_sequence)
149 do_countdown_frame();
152 #define COUNTDOWN_VOICE_TIME fl2f(12.75)
154 void do_countdown_frame()
159 if (!Control_center_destroyed) return;
161 #if !defined(D2_OEM) && !defined(SHAREWARE) // get countdown in OEM and SHAREWARE only
162 // On last level, we don't want a countdown.
163 if ((Current_mission_num == 0) && (Current_level_num == Last_level))
165 if (!(Game_mode & GM_MULTI))
167 if (Game_mode & GM_MULTI_ROBOTS)
172 // Control center destroyed, rock the player's ship.
173 fc = Countdown_seconds_left;
177 // At Trainee, decrease rocking of ship by 4x.
179 if (Difficulty_level == 0)
182 ConsoleObject->mtype.phys_info.rotvel.x += (fixmul(d_rand() - 16384, 3*F1_0/16 + (F1_0*(16-fc))/32))/div_scale;
183 ConsoleObject->mtype.phys_info.rotvel.z += (fixmul(d_rand() - 16384, 3*F1_0/16 + (F1_0*(16-fc))/32))/div_scale;
184 // Hook in the rumble sound effect here.
186 old_time = Countdown_timer;
187 Countdown_timer -= RealFrameTime;
188 Countdown_seconds_left = f2i(Countdown_timer + F1_0*7/8);
190 if ( (old_time > COUNTDOWN_VOICE_TIME ) && (Countdown_timer <= COUNTDOWN_VOICE_TIME) ) {
191 digi_play_sample( SOUND_COUNTDOWN_13_SECS, F3_0 );
193 if ( f2i(old_time + F1_0*7/8) != Countdown_seconds_left ) {
194 if ( (Countdown_seconds_left>=0) && (Countdown_seconds_left<10) )
195 digi_play_sample( SOUND_COUNTDOWN_0_SECS+Countdown_seconds_left, F3_0 );
196 if ( Countdown_seconds_left==Total_countdown_time-1)
197 digi_play_sample( SOUND_COUNTDOWN_29_SECS, F3_0 );
200 if (Countdown_timer > 0) {
202 size = (i2f(Total_countdown_time)-Countdown_timer) / fl2f(0.65);
203 old_size = (i2f(Total_countdown_time)-old_time) / fl2f(0.65);
204 if (size != old_size && (Countdown_seconds_left < (Total_countdown_time-5) )) { // Every 2 seconds!
205 //@@if (Dead_controlcen_object_num != -1) {
206 //@@ vms_vector vp; //,v,c;
207 //@@ compute_segment_center(&vp, &Segments[Objects[Dead_controlcen_object_num].segnum]);
208 //@@ object_create_explosion( Objects[Dead_controlcen_object_num].segnum, &vp, size*10, VCLIP_SMALL_EXPLOSION);
211 digi_play_sample( SOUND_CONTROL_CENTER_WARNING_SIREN, F3_0 );
217 digi_play_sample( SOUND_MINE_BLEW_UP, F1_0 );
219 flash_value = f2i(-Countdown_timer * (64 / 4)); // 4 seconds to total whiteness
220 PALETTE_FLASH_SET(flash_value,flash_value,flash_value);
222 if (PaletteBlueAdd > 64 ) {
224 dd_gr_set_current_canvas(NULL),
225 gr_set_current_canvas( NULL )
228 dd_gr_clear_canvas(BM_XRGB(31,31,31)),
229 gr_clear_canvas(BM_XRGB(31,31,31))
230 ); //make screen all white to match palette effect
231 reset_cockpit(); //force cockpit redraw next time
232 reset_palette_add(); //restore palette for death message
233 //controlcen->MaxCapacity = Fuelcen_max_amount;
234 //gauge_message( "Control Center Reset" );
235 DoPlayerDead(); //kill_player();
240 // -----------------------------------------------------------------------------
241 // Called when control center gets destroyed.
242 // This code is common to whether control center is implicitly imbedded in a boss,
243 // or is an object of its own.
244 // if objp == NULL that means the boss was the control center and don't set Dead_controlcen_object_num
245 void do_controlcen_destroyed_stuff(object *objp)
249 if ((Game_mode & GM_MULTI_ROBOTS) && Control_center_destroyed)
250 return; // Don't allow resetting if control center and boss on same level
252 // Must toggle walls whether it is a boss or control center.
253 for (i=0;i<ControlCenterTriggers.num_links;i++)
254 wall_toggle(&Segments[ControlCenterTriggers.seg[i]], ControlCenterTriggers.side[i]);
256 // And start the countdown stuff.
257 Control_center_destroyed = 1;
259 // If a secret level, delete secret.sgc to indicate that we can't return to our secret level.
260 if (Current_level_num < 0) {
263 rval = unlink("secret.sgc");
265 rval = unlink(":Players:secret.sgc");
267 mprintf((0, "Deleting secret.sgc, return value = %i\n", rval));
270 if (Base_control_center_explosion_time != DEFAULT_CONTROL_CENTER_EXPLOSION_TIME)
271 Total_countdown_time = Base_control_center_explosion_time + Base_control_center_explosion_time * (NDL-Difficulty_level-1)/2;
273 Total_countdown_time = Alan_pavlish_reactor_times[Difficulty_level];
275 Countdown_timer = i2f(Total_countdown_time);
277 if (!Control_center_present || objp==NULL) {
278 //Assert(objp == NULL);
282 //Assert(objp != NULL);
284 Dead_controlcen_object_num = objp-Objects;
287 int Last_time_cc_vis_check = 0;
289 // -----------------------------------------------------------------------------
290 //do whatever this thing does in a frame
291 void do_controlcen_frame(object *obj)
295 // If a boss level, then Control_center_present will be 0.
296 if (!Control_center_present)
300 if (!Robot_firing_enabled || (Game_suspended & SUSP_ROBOTS))
303 if (!Robot_firing_enabled)
307 if (!(Control_center_been_hit || Control_center_player_been_seen)) {
308 if (!(FrameCount % 8)) { // Do every so often...
309 vms_vector vec_to_player;
312 segment *segp = &Segments[obj->segnum];
314 // This is a hack. Since the control center is not processed by
315 // ai_do_frame, it doesn't know to deal with cloaked dudes. It
316 // seems to work in single-player mode because it is actually using
317 // the value of Believed_player_position that was set by the last
318 // person to go through ai_do_frame. But since a no-robots game
319 // never goes through ai_do_frame, I'm making it so the control
320 // center can spot cloaked dudes.
322 if (Game_mode & GM_MULTI)
323 Believed_player_pos = Objects[Players[Player_num].objnum].pos;
325 // Hack for special control centers which are isolated and not reachable because the
326 // real control center is inside the boss.
327 for (i=0; i<MAX_SIDES_PER_SEGMENT; i++)
328 if (IS_CHILD(segp->children[i]))
330 if (i == MAX_SIDES_PER_SEGMENT)
333 vm_vec_sub(&vec_to_player, &ConsoleObject->pos, &obj->pos);
334 dist_to_player = vm_vec_normalize_quick(&vec_to_player);
335 if (dist_to_player < F1_0*200) {
336 Control_center_player_been_seen = player_is_visible_from_object(obj, &obj->pos, 0, &vec_to_player);
337 Control_center_next_fire_time = 0;
344 // Periodically, make the reactor fall asleep if player not visible.
345 if (Control_center_been_hit || Control_center_player_been_seen) {
346 if ((Last_time_cc_vis_check + F1_0*5 < GameTime) || (Last_time_cc_vis_check > GameTime)) {
347 vms_vector vec_to_player;
350 vm_vec_sub(&vec_to_player, &ConsoleObject->pos, &obj->pos);
351 dist_to_player = vm_vec_normalize_quick(&vec_to_player);
352 Last_time_cc_vis_check = GameTime;
353 if (dist_to_player < F1_0*120) {
354 Control_center_player_been_seen = player_is_visible_from_object(obj, &obj->pos, 0, &vec_to_player);
355 if (!Control_center_player_been_seen)
356 Control_center_been_hit = 0;
362 if ((Control_center_next_fire_time < 0) && !(Player_is_dead && (GameTime > Player_time_of_death+F1_0*2))) {
363 if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED)
364 best_gun_num = calc_best_gun(N_controlcen_guns, Gun_pos, Gun_dir, &Believed_player_pos);
366 best_gun_num = calc_best_gun(N_controlcen_guns, Gun_pos, Gun_dir, &ConsoleObject->pos);
368 if (best_gun_num != -1) {
369 int rand_prob, count;
370 vms_vector vec_to_goal;
374 if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED) {
375 vm_vec_sub(&vec_to_goal, &Believed_player_pos, &Gun_pos[best_gun_num]);
376 dist_to_player = vm_vec_normalize_quick(&vec_to_goal);
378 vm_vec_sub(&vec_to_goal, &ConsoleObject->pos, &Gun_pos[best_gun_num]);
379 dist_to_player = vm_vec_normalize_quick(&vec_to_goal);
382 if (dist_to_player > F1_0*300)
384 Control_center_been_hit = 0;
385 Control_center_player_been_seen = 0;
390 if (Game_mode & GM_MULTI)
391 multi_send_controlcen_fire(&vec_to_goal, best_gun_num, obj-Objects);
393 Laser_create_new_easy( &vec_to_goal, &Gun_pos[best_gun_num], obj-Objects, CONTROLCEN_WEAPON_NUM, 1);
395 // some of time, based on level, fire another thing, not directly at player, so it might hit him if he's constantly moving.
396 rand_prob = F1_0/(abs(Current_level_num)/4+2);
398 while ((d_rand() > rand_prob) && (count < 4)) {
401 make_random_vector(&randvec);
402 vm_vec_scale_add2(&vec_to_goal, &randvec, F1_0/6);
403 vm_vec_normalize_quick(&vec_to_goal);
405 if (Game_mode & GM_MULTI)
406 multi_send_controlcen_fire(&vec_to_goal, best_gun_num, obj-Objects);
408 Laser_create_new_easy( &vec_to_goal, &Gun_pos[best_gun_num], obj-Objects, CONTROLCEN_WEAPON_NUM, 0);
412 delta_fire_time = (NDL - Difficulty_level) * F1_0/4;
413 if (Difficulty_level == 0)
414 delta_fire_time += F1_0/2;
416 if (Game_mode & GM_MULTI) // slow down rate of fire in multi player
417 delta_fire_time *= 2;
419 Control_center_next_fire_time = delta_fire_time;
423 Control_center_next_fire_time -= FrameTime;
427 int Reactor_strength=-1; //-1 mean not set by designer
429 // -----------------------------------------------------------------------------
430 // This must be called at the start of each level.
431 // If this level contains a boss and mode != multiplayer, don't do control center stuff. (Ghost out control center object.)
432 // If this level contains a boss and mode == multiplayer, do control center stuff.
433 void init_controlcen_for_level(void)
437 int cntrlcen_objnum=-1, boss_objnum=-1;
439 for (i=0; i<=Highest_object_index; i++) {
441 if (objp->type == OBJ_CNTRLCEN)
443 if (cntrlcen_objnum != -1)
444 mprintf((1, "Warning: Two or more control centers including %i and %i\n", i, cntrlcen_objnum));
449 if ((objp->type == OBJ_ROBOT) && (Robot_info[objp->id].boss_flag)) {
450 // mprintf((0, "Found boss robot %d.\n", objp->id));
451 if (boss_objnum != -1)
452 mprintf((1, "Warning: Two or more bosses including %i and %i\n", i, boss_objnum));
459 if (cntrlcen_objnum == -1) {
460 mprintf((1, "Warning: No control center.\n"));
465 if ( (boss_objnum != -1) && !((Game_mode & GM_MULTI) && !(Game_mode & GM_MULTI_ROBOTS)) ) {
466 if (cntrlcen_objnum != -1) {
467 // mprintf((0, "Ghosting control center\n"));
468 Objects[cntrlcen_objnum].type = OBJ_GHOST;
469 Objects[cntrlcen_objnum].render_type = RT_NONE;
470 Control_center_present = 0;
473 // Compute all gun positions.
474 objp = &Objects[cntrlcen_objnum];
475 N_controlcen_guns = Reactors[objp->id].n_guns;
476 for (i=0; i<N_controlcen_guns; i++)
477 calc_controlcen_gun_point(&Gun_pos[i], &Gun_dir[i], objp, i);
478 Control_center_present = 1;
480 if (Reactor_strength == -1) { //use old defaults
481 // Boost control center strength at higher levels.
482 if (Current_level_num >= 0)
483 objp->shields = F1_0*200 + (F1_0*200/4) * Current_level_num;
485 objp->shields = F1_0*200 - Current_level_num*F1_0*150;
488 objp->shields = i2f(Reactor_strength);
493 // Say the control center has not yet been hit.
494 Control_center_been_hit = 0;
495 Control_center_player_been_seen = 0;
496 Control_center_next_fire_time = 0;
498 Dead_controlcen_object_num = -1;
501 void special_reactor_stuff(void)
503 mprintf((0, "Mucking with reactor countdown time.\n"));
504 if (Control_center_destroyed) {
505 Countdown_timer += i2f(Base_control_center_explosion_time + (NDL-1-Difficulty_level)*Base_control_center_explosion_time/(NDL-1));
506 Total_countdown_time = f2i(Countdown_timer)+2; // Will prevent "Self destruct sequence activated" message from replaying.
512 * reads n reactor structs from a CFILE
514 extern int reactor_read_n(reactor *r, int n, CFILE *fp)
518 for (i = 0, i < n; i++) {
519 r[i].model_num = cfile_read_int(fp);
520 r[i].n_guns = cfile_read_int(fp);
521 for (j = 0; j < MAX_CONTROLCEN_GUNS; j++)
522 cfile_read_vector(&(r[i].gun_points[j]), fp);
523 for (j = 0; j < MAX_CONTROLCEN_GUNS; j++)
524 cfile_read_vector(&(r[i].gun_dirs[j]), fp);
530 * reads a control_center_triggers structure from a CFILE
532 extern void control_center_triggers_read(control_center_triggers *cct, CFILE *fp)
536 cct->num_links = cfile_read_short(fp);
537 for (i = 0; i < MAX_CONTROLCEN_LINKS; i++)
538 cct->seg[i] = cfile_read_short(fp);
539 for (i = 0; i < MAX_CONTROLCEN_LINKS; i++)
540 cct->side[i] = cfile_read_short(fp);