main/cntrlcen.c

   1 /*
   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.
  12 */
  13
  14 #ifdef RCS
  15 static char rcsid[] = "$Id: cntrlcen.c,v 1.1.1.1 2001-01-19 03:29:59 bradleyb Exp $";
  16 #endif
  17
  18 #ifdef WINDOWS
  19 #include "desw.h"
  20 #endif
  21
  22 #include <conf.h>
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <unistd.h>
  26
  27 #include "pstypes.h"
  28 #include "error.h"
  29 #include "mono.h"
  30
  31 #include "inferno.h"
  32 #include "cntrlcen.h"
  33 #include "game.h"
  34 #include "laser.h"
  35 #include "gameseq.h"
  36 #include "ai.h"
  37 #include "multi.h"
  38 #include "wall.h"
  39 #include "object.h"
  40 #include "robot.h"
  41 #include "vclip.h"
  42 #include "fireball.h"
  43 #include "endlevel.h"
  44
  45 //@@vms_vector controlcen_gun_points[MAX_CONTROLCEN_GUNS];
  46 //@@vms_vector controlcen_gun_dirs[MAX_CONTROLCEN_GUNS];
  47
  48 reactor Reactors[MAX_REACTORS];
  49 int Num_reactors=0;
  50
  51 control_center_triggers ControlCenterTriggers;
  52
  53 int     N_controlcen_guns;
  54 int     Control_center_been_hit;
  55 int     Control_center_player_been_seen;
  56 int     Control_center_next_fire_time;
  57 int     Control_center_present;
  58
  59 vms_vector      Gun_pos[MAX_CONTROLCEN_GUNS], Gun_dir[MAX_CONTROLCEN_GUNS];
  60
  61 void do_countdown_frame();
  62
  63 //      -----------------------------------------------------------------------------
  64 //return the position & orientation of a gun on the control center object
  65 void calc_controlcen_gun_point(vms_vector *gun_point,vms_vector *gun_dir,object *obj,int gun_num)
  66 {
  67         reactor *reactor;
  68         vms_matrix m;
  69
  70         Assert(obj->type == OBJ_CNTRLCEN);
  71         Assert(obj->render_type==RT_POLYOBJ);
  72
  73         reactor = &Reactors[obj->id];
  74
  75         Assert(gun_num < reactor->n_guns);
  76
  77         //instance gun position & orientation
  78
  79         vm_copy_transpose_matrix(&m,&obj->orient);
  80
  81         vm_vec_rotate(gun_point,&reactor->gun_points[gun_num],&m);
  82         vm_vec_add2(gun_point,&obj->pos);
  83         vm_vec_rotate(gun_dir,&reactor->gun_dirs[gun_num],&m);
  84 }
  85
  86 //      -----------------------------------------------------------------------------
  87 //      Look at control center guns, find best one to fire at *objp.
  88 //      Return best gun number (one whose direction dotted with vector to player is largest).
  89 //      If best gun has negative dot, return -1, meaning no gun is good.
  90 int calc_best_gun(int num_guns, vms_vector *gun_pos, vms_vector *gun_dir, vms_vector *objpos)
  91 {
  92         int     i;
  93         fix     best_dot;
  94         int     best_gun;
  95
  96         best_dot = -F1_0*2;
  97         best_gun = -1;
  98
  99         for (i=0; i<num_guns; i++) {
 100                 fix                     dot;
 101                 vms_vector      gun_vec;
 102
 103                 vm_vec_sub(&gun_vec, objpos, &gun_pos[i]);
 104                 vm_vec_normalize_quick(&gun_vec);
 105                 dot = vm_vec_dot(&gun_dir[i], &gun_vec);
 106
 107                 if (dot > best_dot) {
 108                         best_dot = dot;
 109                         best_gun = i;
 110                 }
 111         }
 112
 113         Assert(best_gun != -1);         // Contact Mike.  This is impossible.  Or maybe you're getting an unnormalized vector somewhere.
 114
 115         if (best_dot < 0)
 116                 return -1;
 117         else
 118                 return best_gun;
 119
 120 }
 121
 122 extern fix Player_time_of_death;                //      object.c
 123
 124 int     Dead_controlcen_object_num=-1;
 125
 126 //how long to blow up on insane
 127 int Base_control_center_explosion_time=DEFAULT_CONTROL_CENTER_EXPLOSION_TIME;
 128
 129 int Control_center_destroyed = 0;
 130 fix Countdown_timer=0;
 131 int Countdown_seconds_left=0, Total_countdown_time=0;           //in whole seconds
 132
 133 int     Alan_pavlish_reactor_times[NDL] = {90, 60, 45, 35, 30};
 134
 135 //      -----------------------------------------------------------------------------
 136 //      Called every frame.  If control center been destroyed, then actually do something.
 137 void do_controlcen_dead_frame(void)
 138 {
 139         if ((Dead_controlcen_object_num != -1) && (Countdown_seconds_left > 0))
 140                 if (d_rand() < FrameTime*4)
 141                         create_small_fireball_on_object(&Objects[Dead_controlcen_object_num], F1_0, 1);
 142
 143         if (Control_center_destroyed && !Endlevel_sequence)
 144                 do_countdown_frame();
 145 }
 146
 147 #define COUNTDOWN_VOICE_TIME fl2f(12.75)
 148
 149 void do_countdown_frame()
 150 {
 151         fix     old_time;
 152         int     fc, div_scale;
 153
 154         if (!Control_center_destroyed)  return;
 155
 156         #if !defined(D2_OEM) && !defined(SHAREWARE)     // get countdown in OEM and SHAREWARE only
 157         //      On last level, we don't want a countdown.
 158         if ((Current_mission_num == 0) && (Current_level_num == Last_level))
 159     {
 160      if (!(Game_mode & GM_MULTI))
 161            return;
 162           if (Game_mode & GM_MULTI_ROBOTS)
 163                 return;
 164     }
 165         #endif
 166
 167         //      Control center destroyed, rock the player's ship.
 168         fc = Countdown_seconds_left;
 169         if (fc > 16)
 170                 fc = 16;
 171
 172         //      At Trainee, decrease rocking of ship by 4x.
 173         div_scale = 1;
 174         if (Difficulty_level == 0)
 175                 div_scale = 4;
 176
 177         ConsoleObject->mtype.phys_info.rotvel.x += (fixmul(d_rand() - 16384, 3*F1_0/16 + (F1_0*(16-fc))/32))/div_scale;
 178         ConsoleObject->mtype.phys_info.rotvel.z += (fixmul(d_rand() - 16384, 3*F1_0/16 + (F1_0*(16-fc))/32))/div_scale;
 179         //      Hook in the rumble sound effect here.
 180
 181         old_time = Countdown_timer;
 182         Countdown_timer -= RealFrameTime;
 183         Countdown_seconds_left = f2i(Countdown_timer + F1_0*7/8);
 184
 185         if ( (old_time > COUNTDOWN_VOICE_TIME ) && (Countdown_timer <= COUNTDOWN_VOICE_TIME) )  {
 186                 digi_play_sample( SOUND_COUNTDOWN_13_SECS, F3_0 );
 187         }
 188         if ( f2i(old_time + F1_0*7/8) != Countdown_seconds_left )       {
 189                 if ( (Countdown_seconds_left>=0) && (Countdown_seconds_left<10) )
 190                         digi_play_sample( SOUND_COUNTDOWN_0_SECS+Countdown_seconds_left, F3_0 );
 191                 if ( Countdown_seconds_left==Total_countdown_time-1)
 192                         digi_play_sample( SOUND_COUNTDOWN_29_SECS, F3_0 );
 193         }
 194
 195         if (Countdown_timer > 0) {
 196                 fix size,old_size;
 197                 size = (i2f(Total_countdown_time)-Countdown_timer) / fl2f(0.65);
 198                 old_size = (i2f(Total_countdown_time)-old_time) / fl2f(0.65);
 199                 if (size != old_size && (Countdown_seconds_left < (Total_countdown_time-5) ))           {                       // Every 2 seconds!
 200                         //@@if (Dead_controlcen_object_num != -1) {
 201                         //@@    vms_vector vp;  //,v,c;
 202                         //@@    compute_segment_center(&vp, &Segments[Objects[Dead_controlcen_object_num].segnum]);
 203                         //@@    object_create_explosion( Objects[Dead_controlcen_object_num].segnum, &vp, size*10, VCLIP_SMALL_EXPLOSION);
 204                         //@@}
 205
 206                         digi_play_sample( SOUND_CONTROL_CENTER_WARNING_SIREN, F3_0 );
 207                 }
 208         }  else {
 209                 int flash_value;
 210
 211                 if (old_time > 0)
 212                         digi_play_sample( SOUND_MINE_BLEW_UP, F1_0 );
 213
 214                 flash_value = f2i(-Countdown_timer * (64 / 4)); // 4 seconds to total whiteness
 215                 PALETTE_FLASH_SET(flash_value,flash_value,flash_value);
 216
 217                 if (PaletteBlueAdd > 64 )       {
 218                 WINDOS(
 219                         dd_gr_set_current_canvas(NULL),
 220                         gr_set_current_canvas( NULL )
 221                 );
 222                 WINDOS(
 223                         dd_gr_clear_canvas(BM_XRGB(31,31,31)),
 224                         gr_clear_canvas(BM_XRGB(31,31,31))
 225                 );                                                                                                              //make screen all white to match palette effect
 226                         reset_cockpit();                                                                //force cockpit redraw next time
 227                         reset_palette_add();                                                    //restore palette for death message
 228                         //controlcen->MaxCapacity = Fuelcen_max_amount;
 229                         //gauge_message( "Control Center Reset" );
 230                         DoPlayerDead();         //kill_player();
 231                 }
 232         }
 233 }
 234
 235 //      -----------------------------------------------------------------------------
 236 //      Called when control center gets destroyed.
 237 //      This code is common to whether control center is implicitly imbedded in a boss,
 238 //      or is an object of its own.
 239 //      if objp == NULL that means the boss was the control center and don't set Dead_controlcen_object_num
 240 void do_controlcen_destroyed_stuff(object *objp)
 241 {
 242         int     i;
 243
 244    if ((Game_mode & GM_MULTI_ROBOTS) && Control_center_destroyed)
 245     return; // Don't allow resetting if control center and boss on same level
 246
 247         // Must toggle walls whether it is a boss or control center.
 248         for (i=0;i<ControlCenterTriggers.num_links;i++)
 249                 wall_toggle(&Segments[ControlCenterTriggers.seg[i]], ControlCenterTriggers.side[i]);
 250
 251         // And start the countdown stuff.
 252         Control_center_destroyed = 1;
 253
 254         //      If a secret level, delete secret.sgc to indicate that we can't return to our secret level.
 255         if (Current_level_num < 0) {
 256                 int     rval;
 257                 #ifndef MACINTOSH
 258                 rval = unlink("secret.sgc");
 259                 #else
 260                 rval = unlink(":Players:secret.sgc");
 261                 #endif
 262                 mprintf((0, "Deleting secret.sgc, return value = %i\n", rval));
 263         }
 264
 265         if (Base_control_center_explosion_time != DEFAULT_CONTROL_CENTER_EXPLOSION_TIME)
 266                 Total_countdown_time = Base_control_center_explosion_time + Base_control_center_explosion_time * (NDL-Difficulty_level-1)/2;
 267         else
 268                 Total_countdown_time = Alan_pavlish_reactor_times[Difficulty_level];
 269
 270         Countdown_timer = i2f(Total_countdown_time);
 271
 272         if (!Control_center_present || objp==NULL) {
 273                 //Assert(objp == NULL);
 274                 return;
 275         }
 276
 277         //Assert(objp != NULL);
 278
 279         Dead_controlcen_object_num = objp-Objects;
 280 }
 281
 282 int     Last_time_cc_vis_check = 0;
 283
 284 //      -----------------------------------------------------------------------------
 285 //do whatever this thing does in a frame
 286 void do_controlcen_frame(object *obj)
 287 {
 288         int                     best_gun_num;
 289
 290         //      If a boss level, then Control_center_present will be 0.
 291         if (!Control_center_present)
 292                 return;
 293
 294 #ifndef NDEBUG
 295         if (!Robot_firing_enabled || (Game_suspended & SUSP_ROBOTS))
 296                 return;
 297 #else
 298         if (!Robot_firing_enabled)
 299                 return;
 300 #endif
 301
 302         if (!(Control_center_been_hit || Control_center_player_been_seen)) {
 303                 if (!(FrameCount % 8)) {                //      Do every so often...
 304                         vms_vector      vec_to_player;
 305                         fix                     dist_to_player;
 306                         int                     i;
 307                         segment         *segp = &Segments[obj->segnum];
 308
 309                         // This is a hack.  Since the control center is not processed by
 310                         // ai_do_frame, it doesn't know to deal with cloaked dudes.  It
 311                         // seems to work in single-player mode because it is actually using
 312                         // the value of Believed_player_position that was set by the last
 313                         // person to go through ai_do_frame.  But since a no-robots game
 314                         // never goes through ai_do_frame, I'm making it so the control
 315                         // center can spot cloaked dudes.
 316
 317                         if (Game_mode & GM_MULTI)
 318                                 Believed_player_pos = Objects[Players[Player_num].objnum].pos;
 319
 320                         //      Hack for special control centers which are isolated and not reachable because the
 321                         //      real control center is inside the boss.
 322                         for (i=0; i<MAX_SIDES_PER_SEGMENT; i++)
 323                                 if (IS_CHILD(segp->children[i]))
 324                                         break;
 325                         if (i == MAX_SIDES_PER_SEGMENT)
 326                                 return;
 327
 328                         vm_vec_sub(&vec_to_player, &ConsoleObject->pos, &obj->pos);
 329                         dist_to_player = vm_vec_normalize_quick(&vec_to_player);
 330                         if (dist_to_player < F1_0*200) {
 331                                 Control_center_player_been_seen = player_is_visible_from_object(obj, &obj->pos, 0, &vec_to_player);
 332                                 Control_center_next_fire_time = 0;
 333                         }
 334                 }
 335
 336                 return;
 337         }
 338
 339         //      Periodically, make the reactor fall asleep if player not visible.
 340         if (Control_center_been_hit || Control_center_player_been_seen) {
 341                 if ((Last_time_cc_vis_check + F1_0*5 < GameTime) || (Last_time_cc_vis_check > GameTime)) {
 342                         vms_vector      vec_to_player;
 343                         fix                     dist_to_player;
 344
 345                         vm_vec_sub(&vec_to_player, &ConsoleObject->pos, &obj->pos);
 346                         dist_to_player = vm_vec_normalize_quick(&vec_to_player);
 347                         Last_time_cc_vis_check = GameTime;
 348                         if (dist_to_player < F1_0*120) {
 349                                 Control_center_player_been_seen = player_is_visible_from_object(obj, &obj->pos, 0, &vec_to_player);
 350                                 if (!Control_center_player_been_seen)
 351                                         Control_center_been_hit = 0;
 352                         }
 353                 }
 354
 355         }
 356
 357         if ((Control_center_next_fire_time < 0) && !(Player_is_dead && (GameTime > Player_time_of_death+F1_0*2))) {
 358                 if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED)
 359                         best_gun_num = calc_best_gun(N_controlcen_guns, Gun_pos, Gun_dir, &Believed_player_pos);
 360                 else
 361                         best_gun_num = calc_best_gun(N_controlcen_guns, Gun_pos, Gun_dir, &ConsoleObject->pos);
 362
 363                 if (best_gun_num != -1) {
 364                         int                     rand_prob, count;
 365                         vms_vector      vec_to_goal;
 366                         fix                     dist_to_player;
 367                         fix                     delta_fire_time;
 368
 369                         if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED) {
 370                                 vm_vec_sub(&vec_to_goal, &Believed_player_pos, &Gun_pos[best_gun_num]);
 371                                 dist_to_player = vm_vec_normalize_quick(&vec_to_goal);
 372                         } else {
 373                                 vm_vec_sub(&vec_to_goal, &ConsoleObject->pos, &Gun_pos[best_gun_num]);
 374                                 dist_to_player = vm_vec_normalize_quick(&vec_to_goal);
 375                         }
 376
 377                         if (dist_to_player > F1_0*300)
 378                         {
 379                                 Control_center_been_hit = 0;
 380                                 Control_center_player_been_seen = 0;
 381                                 return;
 382                         }
 383
 384                         #ifdef NETWORK
 385                         if (Game_mode & GM_MULTI)
 386                                 multi_send_controlcen_fire(&vec_to_goal, best_gun_num, obj-Objects);
 387                         #endif
 388                         Laser_create_new_easy( &vec_to_goal, &Gun_pos[best_gun_num], obj-Objects, CONTROLCEN_WEAPON_NUM, 1);
 389
 390                         //      some of time, based on level, fire another thing, not directly at player, so it might hit him if he's constantly moving.
 391                         rand_prob = F1_0/(abs(Current_level_num)/4+2);
 392                         count = 0;
 393                         while ((d_rand() > rand_prob) && (count < 4)) {
 394                                 vms_vector      randvec;
 395
 396                                 make_random_vector(&randvec);
 397                                 vm_vec_scale_add2(&vec_to_goal, &randvec, F1_0/6);
 398                                 vm_vec_normalize_quick(&vec_to_goal);
 399                                 #ifdef NETWORK
 400                                 if (Game_mode & GM_MULTI)
 401                                         multi_send_controlcen_fire(&vec_to_goal, best_gun_num, obj-Objects);
 402                                 #endif
 403                                 Laser_create_new_easy( &vec_to_goal, &Gun_pos[best_gun_num], obj-Objects, CONTROLCEN_WEAPON_NUM, 0);
 404                                 count++;
 405                         }
 406
 407                         delta_fire_time = (NDL - Difficulty_level) * F1_0/4;
 408                         if (Difficulty_level == 0)
 409                                 delta_fire_time += F1_0/2;
 410
 411                         if (Game_mode & GM_MULTI) // slow down rate of fire in multi player
 412                                 delta_fire_time *= 2;
 413
 414                         Control_center_next_fire_time = delta_fire_time;
 415
 416                 }
 417         } else
 418                 Control_center_next_fire_time -= FrameTime;
 419
 420 }
 421
 422 int Reactor_strength=-1;                //-1 mean not set by designer
 423
 424 //      -----------------------------------------------------------------------------
 425 //      This must be called at the start of each level.
 426 //      If this level contains a boss and mode != multiplayer, don't do control center stuff.  (Ghost out control center object.)
 427 //      If this level contains a boss and mode == multiplayer, do control center stuff.
 428 void init_controlcen_for_level(void)
 429 {
 430         int             i;
 431         object  *objp;
 432         int             cntrlcen_objnum=-1, boss_objnum=-1;
 433
 434         for (i=0; i<=Highest_object_index; i++) {
 435                 objp = &Objects[i];
 436                 if (objp->type == OBJ_CNTRLCEN)
 437                 {
 438                         if (cntrlcen_objnum != -1)
 439                                 mprintf((1, "Warning: Two or more control centers including %i and %i\n", i, cntrlcen_objnum));
 440                         else
 441                                 cntrlcen_objnum = i;
 442                 }
 443
 444                 if ((objp->type == OBJ_ROBOT) && (Robot_info[objp->id].boss_flag)) {
 445 //                      mprintf((0, "Found boss robot %d.\n", objp->id));
 446                         if (boss_objnum != -1)
 447                                 mprintf((1, "Warning: Two or more bosses including %i and %i\n", i, boss_objnum));
 448                         else
 449                                 boss_objnum = i;
 450                 }
 451         }
 452
 453 #ifndef NDEBUG
 454         if (cntrlcen_objnum == -1) {
 455                 mprintf((1, "Warning: No control center.\n"));
 456                 return;
 457         }
 458 #endif
 459
 460         if ( (boss_objnum != -1) && !((Game_mode & GM_MULTI) && !(Game_mode & GM_MULTI_ROBOTS)) ) {
 461                 if (cntrlcen_objnum != -1) {
 462 //                      mprintf((0, "Ghosting control center\n"));
 463                         Objects[cntrlcen_objnum].type = OBJ_GHOST;
 464                         Objects[cntrlcen_objnum].render_type = RT_NONE;
 465                         Control_center_present = 0;
 466                 }
 467         } else {
 468                 //      Compute all gun positions.
 469                 objp = &Objects[cntrlcen_objnum];
 470                 N_controlcen_guns = Reactors[objp->id].n_guns;
 471                 for (i=0; i<N_controlcen_guns; i++)
 472                         calc_controlcen_gun_point(&Gun_pos[i], &Gun_dir[i], objp, i);
 473                 Control_center_present = 1;
 474
 475                 if (Reactor_strength == -1) {           //use old defaults
 476                         //      Boost control center strength at higher levels.
 477                         if (Current_level_num >= 0)
 478                                 objp->shields = F1_0*200 + (F1_0*200/4) * Current_level_num;
 479                         else
 480                                 objp->shields = F1_0*200 - Current_level_num*F1_0*150;
 481                 }
 482                 else {
 483                         objp->shields = i2f(Reactor_strength);
 484                 }
 485
 486         }
 487
 488         //      Say the control center has not yet been hit.
 489         Control_center_been_hit = 0;
 490         Control_center_player_been_seen = 0;
 491         Control_center_next_fire_time = 0;
 492
 493         Dead_controlcen_object_num = -1;
 494 }
 495
 496 void special_reactor_stuff(void)
 497 {
 498         mprintf((0, "Mucking with reactor countdown time.\n"));
 499         if (Control_center_destroyed) {
 500                 Countdown_timer += i2f(Base_control_center_explosion_time + (NDL-1-Difficulty_level)*Base_control_center_explosion_time/(NDL-1));
 501                 Total_countdown_time = f2i(Countdown_timer)+2;  //      Will prevent "Self destruct sequence activated" message from replaying.
 502         }
 503 }
 504