main/cntrlcen.c

   1 /* $Id: cntrlcen.c,v 1.18 2004-12-01 12:48:13 btb Exp $ */
   2 /*
   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.
  13 */
  14
  15 /*
  16  *
  17  * Code for the control center
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include <conf.h>
  23 #endif
  24
  25 #ifdef RCS
  26 static char rcsid[] = "$Id: cntrlcen.c,v 1.18 2004-12-01 12:48:13 btb Exp $";
  27 #endif
  28
  29 #ifdef WINDOWS
  30 #include "desw.h"
  31 #endif
  32
  33 #include <stdlib.h>
  34 #include <stdio.h>
  35 #if !defined(_WIN32) && !defined(macintosh)
  36 #include <unistd.h>
  37 #endif
  38
  39 #include "pstypes.h"
  40 #include "error.h"
  41 #include "mono.h"
  42
  43 #include "inferno.h"
  44 #include "cntrlcen.h"
  45 #include "game.h"
  46 #include "laser.h"
  47 #include "gameseq.h"
  48 #include "ai.h"
  49 #ifdef NETWORK
  50 #include "multi.h"
  51 #endif
  52 #include "wall.h"
  53 #include "object.h"
  54 #include "robot.h"
  55 #include "vclip.h"
  56 #include "fireball.h"
  57 #include "endlevel.h"
  58
  59 //@@vms_vector controlcen_gun_points[MAX_CONTROLCEN_GUNS];
  60 //@@vms_vector controlcen_gun_dirs[MAX_CONTROLCEN_GUNS];
  61
  62 reactor Reactors[MAX_REACTORS];
  63 int Num_reactors=0;
  64
  65 control_center_triggers ControlCenterTriggers;
  66
  67 int     N_controlcen_guns;
  68 int     Control_center_been_hit;
  69 int     Control_center_player_been_seen;
  70 int     Control_center_next_fire_time;
  71 int     Control_center_present;
  72
  73 vms_vector      Gun_pos[MAX_CONTROLCEN_GUNS], Gun_dir[MAX_CONTROLCEN_GUNS];
  74
  75 void do_countdown_frame();
  76
  77 //      -----------------------------------------------------------------------------
  78 //return the position & orientation of a gun on the control center object
  79 void calc_controlcen_gun_point(vms_vector *gun_point,vms_vector *gun_dir,object *obj,int gun_num)
  80 {
  81         reactor *reactor;
  82         vms_matrix m;
  83
  84         Assert(obj->type == OBJ_CNTRLCEN);
  85         Assert(obj->render_type==RT_POLYOBJ);
  86
  87         reactor = &Reactors[obj->id];
  88
  89         Assert(gun_num < reactor->n_guns);
  90
  91         //instance gun position & orientation
  92
  93         vm_copy_transpose_matrix(&m,&obj->orient);
  94
  95         vm_vec_rotate(gun_point,&reactor->gun_points[gun_num],&m);
  96         vm_vec_add2(gun_point,&obj->pos);
  97         vm_vec_rotate(gun_dir,&reactor->gun_dirs[gun_num],&m);
  98 }
  99
 100 //      -----------------------------------------------------------------------------
 101 //      Look at control center guns, find best one to fire at *objp.
 102 //      Return best gun number (one whose direction dotted with vector to player is largest).
 103 //      If best gun has negative dot, return -1, meaning no gun is good.
 104 int calc_best_gun(int num_guns, vms_vector *gun_pos, vms_vector *gun_dir, vms_vector *objpos)
 105 {
 106         int     i;
 107         fix     best_dot;
 108         int     best_gun;
 109
 110         best_dot = -F1_0*2;
 111         best_gun = -1;
 112
 113         for (i=0; i<num_guns; i++) {
 114                 fix                     dot;
 115                 vms_vector      gun_vec;
 116
 117                 vm_vec_sub(&gun_vec, objpos, &gun_pos[i]);
 118                 vm_vec_normalize_quick(&gun_vec);
 119                 dot = vm_vec_dot(&gun_dir[i], &gun_vec);
 120
 121                 if (dot > best_dot) {
 122                         best_dot = dot;
 123                         best_gun = i;
 124                 }
 125         }
 126
 127         Assert(best_gun != -1);         // Contact Mike.  This is impossible.  Or maybe you're getting an unnormalized vector somewhere.
 128
 129         if (best_dot < 0)
 130                 return -1;
 131         else
 132                 return best_gun;
 133
 134 }
 135
 136 extern fix Player_time_of_death;                //      object.c
 137
 138 int     Dead_controlcen_object_num=-1;
 139
 140 //how long to blow up on insane
 141 int Base_control_center_explosion_time=DEFAULT_CONTROL_CENTER_EXPLOSION_TIME;
 142
 143 int Control_center_destroyed = 0;
 144 fix Countdown_timer=0;
 145 int Countdown_seconds_left=0, Total_countdown_time=0;           //in whole seconds
 146
 147 int     Alan_pavlish_reactor_times[NDL] = {90, 60, 45, 35, 30};
 148
 149 //      -----------------------------------------------------------------------------
 150 //      Called every frame.  If control center been destroyed, then actually do something.
 151 void do_controlcen_dead_frame(void)
 152 {
 153         if ((Dead_controlcen_object_num != -1) && (Countdown_seconds_left > 0))
 154                 if (d_rand() < FrameTime*4)
 155                         create_small_fireball_on_object(&Objects[Dead_controlcen_object_num], F1_0, 1);
 156
 157         if (Control_center_destroyed && !Endlevel_sequence)
 158                 do_countdown_frame();
 159 }
 160
 161 #define COUNTDOWN_VOICE_TIME fl2f(12.75)
 162
 163 void do_countdown_frame()
 164 {
 165         fix     old_time;
 166         int     fc, div_scale;
 167
 168         if (!Control_center_destroyed)  return;
 169
 170         if (!is_D2_OEM && !is_MAC_SHARE && !is_SHAREWARE)   // get countdown in OEM and SHAREWARE only
 171         {
 172                 // On last level, we don't want a countdown.
 173                 if (PLAYING_BUILTIN_MISSION && Current_level_num == Last_level)
 174                 {
 175                         if (!(Game_mode & GM_MULTI))
 176                                 return;
 177                         if (Game_mode & GM_MULTI_ROBOTS)
 178                                 return;
 179                 }
 180         }
 181
 182         //      Control center destroyed, rock the player's ship.
 183         fc = Countdown_seconds_left;
 184         if (fc > 16)
 185                 fc = 16;
 186
 187         //      At Trainee, decrease rocking of ship by 4x.
 188         div_scale = 1;
 189         if (Difficulty_level == 0)
 190                 div_scale = 4;
 191
 192         ConsoleObject->mtype.phys_info.rotvel.x += (fixmul(d_rand() - 16384, 3*F1_0/16 + (F1_0*(16-fc))/32))/div_scale;
 193         ConsoleObject->mtype.phys_info.rotvel.z += (fixmul(d_rand() - 16384, 3*F1_0/16 + (F1_0*(16-fc))/32))/div_scale;
 194         //      Hook in the rumble sound effect here.
 195
 196         old_time = Countdown_timer;
 197         Countdown_timer -= RealFrameTime;
 198         Countdown_seconds_left = f2i(Countdown_timer + F1_0*7/8);
 199
 200         if ( (old_time > COUNTDOWN_VOICE_TIME ) && (Countdown_timer <= COUNTDOWN_VOICE_TIME) )  {
 201                 digi_play_sample( SOUND_COUNTDOWN_13_SECS, F3_0 );
 202         }
 203         if ( f2i(old_time + F1_0*7/8) != Countdown_seconds_left )       {
 204                 if ( (Countdown_seconds_left>=0) && (Countdown_seconds_left<10) )
 205                         digi_play_sample( SOUND_COUNTDOWN_0_SECS+Countdown_seconds_left, F3_0 );
 206                 if ( Countdown_seconds_left==Total_countdown_time-1)
 207                         digi_play_sample( SOUND_COUNTDOWN_29_SECS, F3_0 );
 208         }
 209
 210         if (Countdown_timer > 0) {
 211                 fix size,old_size;
 212                 size = (i2f(Total_countdown_time)-Countdown_timer) / fl2f(0.65);
 213                 old_size = (i2f(Total_countdown_time)-old_time) / fl2f(0.65);
 214                 if (size != old_size && (Countdown_seconds_left < (Total_countdown_time-5) ))           {                       // Every 2 seconds!
 215                         //@@if (Dead_controlcen_object_num != -1) {
 216                         //@@    vms_vector vp;  //,v,c;
 217                         //@@    compute_segment_center(&vp, &Segments[Objects[Dead_controlcen_object_num].segnum]);
 218                         //@@    object_create_explosion( Objects[Dead_controlcen_object_num].segnum, &vp, size*10, VCLIP_SMALL_EXPLOSION);
 219                         //@@}
 220
 221                         digi_play_sample( SOUND_CONTROL_CENTER_WARNING_SIREN, F3_0 );
 222                 }
 223         }  else {
 224                 int flash_value;
 225
 226                 if (old_time > 0)
 227                         digi_play_sample( SOUND_MINE_BLEW_UP, F1_0 );
 228
 229                 flash_value = f2i(-Countdown_timer * (64 / 4)); // 4 seconds to total whiteness
 230                 PALETTE_FLASH_SET(flash_value,flash_value,flash_value);
 231
 232                 if (PaletteBlueAdd > 64 )       {
 233                 WINDOS(
 234                         dd_gr_set_current_canvas(NULL),
 235                         gr_set_current_canvas( NULL )
 236                 );
 237                 WINDOS(
 238                         dd_gr_clear_canvas(BM_XRGB(31,31,31)),
 239                         gr_clear_canvas(BM_XRGB(31,31,31))
 240                 );                                                                                                              //make screen all white to match palette effect
 241                         reset_cockpit();                                                                //force cockpit redraw next time
 242                         reset_palette_add();                                                    //restore palette for death message
 243                         //controlcen->MaxCapacity = Fuelcen_max_amount;
 244                         //gauge_message( "Control Center Reset" );
 245                         DoPlayerDead();         //kill_player();
 246                 }
 247         }
 248 }
 249
 250 //      -----------------------------------------------------------------------------
 251 //      Called when control center gets destroyed.
 252 //      This code is common to whether control center is implicitly imbedded in a boss,
 253 //      or is an object of its own.
 254 //      if objp == NULL that means the boss was the control center and don't set Dead_controlcen_object_num
 255 void do_controlcen_destroyed_stuff(object *objp)
 256 {
 257         int     i;
 258
 259    if ((Game_mode & GM_MULTI_ROBOTS) && Control_center_destroyed)
 260     return; // Don't allow resetting if control center and boss on same level
 261
 262         // Must toggle walls whether it is a boss or control center.
 263         for (i=0;i<ControlCenterTriggers.num_links;i++)
 264                 wall_toggle(&Segments[ControlCenterTriggers.seg[i]], ControlCenterTriggers.side[i]);
 265
 266         // And start the countdown stuff.
 267         Control_center_destroyed = 1;
 268
 269         //      If a secret level, delete secret.sgc to indicate that we can't return to our secret level.
 270         if (Current_level_num < 0) {
 271                 int     rval;
 272                 #ifndef MACINTOSH
 273                 rval = !PHYSFS_delete("secret.sgc");
 274                 #else
 275                 rval = !PHYSFS_delete("Players/secret.sgc");
 276                 #endif
 277                 mprintf((0, "Deleting secret.sgc, return value = %i\n", rval));
 278         }
 279
 280         if (Base_control_center_explosion_time != DEFAULT_CONTROL_CENTER_EXPLOSION_TIME)
 281                 Total_countdown_time = Base_control_center_explosion_time + Base_control_center_explosion_time * (NDL-Difficulty_level-1)/2;
 282         else
 283                 Total_countdown_time = Alan_pavlish_reactor_times[Difficulty_level];
 284
 285         Countdown_timer = i2f(Total_countdown_time);
 286
 287         if (!Control_center_present || objp==NULL) {
 288                 //Assert(objp == NULL);
 289                 return;
 290         }
 291
 292         //Assert(objp != NULL);
 293
 294         Dead_controlcen_object_num = objp-Objects;
 295 }
 296
 297 int     Last_time_cc_vis_check = 0;
 298
 299 //      -----------------------------------------------------------------------------
 300 //do whatever this thing does in a frame
 301 void do_controlcen_frame(object *obj)
 302 {
 303         int                     best_gun_num;
 304
 305         //      If a boss level, then Control_center_present will be 0.
 306         if (!Control_center_present)
 307                 return;
 308
 309 #ifndef NDEBUG
 310         if (!Robot_firing_enabled || (Game_suspended & SUSP_ROBOTS))
 311                 return;
 312 #else
 313         if (!Robot_firing_enabled)
 314                 return;
 315 #endif
 316
 317         if (!(Control_center_been_hit || Control_center_player_been_seen)) {
 318                 if (!(FrameCount % 8)) {                //      Do every so often...
 319                         vms_vector      vec_to_player;
 320                         fix                     dist_to_player;
 321                         int                     i;
 322                         segment         *segp = &Segments[obj->segnum];
 323
 324                         // This is a hack.  Since the control center is not processed by
 325                         // ai_do_frame, it doesn't know to deal with cloaked dudes.  It
 326                         // seems to work in single-player mode because it is actually using
 327                         // the value of Believed_player_position that was set by the last
 328                         // person to go through ai_do_frame.  But since a no-robots game
 329                         // never goes through ai_do_frame, I'm making it so the control
 330                         // center can spot cloaked dudes.
 331
 332                         if (Game_mode & GM_MULTI)
 333                                 Believed_player_pos = Objects[Players[Player_num].objnum].pos;
 334
 335                         //      Hack for special control centers which are isolated and not reachable because the
 336                         //      real control center is inside the boss.
 337                         for (i=0; i<MAX_SIDES_PER_SEGMENT; i++)
 338                                 if (IS_CHILD(segp->children[i]))
 339                                         break;
 340                         if (i == MAX_SIDES_PER_SEGMENT)
 341                                 return;
 342
 343                         vm_vec_sub(&vec_to_player, &ConsoleObject->pos, &obj->pos);
 344                         dist_to_player = vm_vec_normalize_quick(&vec_to_player);
 345                         if (dist_to_player < F1_0*200) {
 346                                 Control_center_player_been_seen = player_is_visible_from_object(obj, &obj->pos, 0, &vec_to_player);
 347                                 Control_center_next_fire_time = 0;
 348                         }
 349                 }
 350
 351                 return;
 352         }
 353
 354         //      Periodically, make the reactor fall asleep if player not visible.
 355         if (Control_center_been_hit || Control_center_player_been_seen) {
 356                 if ((Last_time_cc_vis_check + F1_0*5 < GameTime) || (Last_time_cc_vis_check > GameTime)) {
 357                         vms_vector      vec_to_player;
 358                         fix                     dist_to_player;
 359
 360                         vm_vec_sub(&vec_to_player, &ConsoleObject->pos, &obj->pos);
 361                         dist_to_player = vm_vec_normalize_quick(&vec_to_player);
 362                         Last_time_cc_vis_check = GameTime;
 363                         if (dist_to_player < F1_0*120) {
 364                                 Control_center_player_been_seen = player_is_visible_from_object(obj, &obj->pos, 0, &vec_to_player);
 365                                 if (!Control_center_player_been_seen)
 366                                         Control_center_been_hit = 0;
 367                         }
 368                 }
 369
 370         }
 371
 372         if ((Control_center_next_fire_time < 0) && !(Player_is_dead && (GameTime > Player_time_of_death+F1_0*2))) {
 373                 if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED)
 374                         best_gun_num = calc_best_gun(N_controlcen_guns, Gun_pos, Gun_dir, &Believed_player_pos);
 375                 else
 376                         best_gun_num = calc_best_gun(N_controlcen_guns, Gun_pos, Gun_dir, &ConsoleObject->pos);
 377
 378                 if (best_gun_num != -1) {
 379                         int                     rand_prob, count;
 380                         vms_vector      vec_to_goal;
 381                         fix                     dist_to_player;
 382                         fix                     delta_fire_time;
 383
 384                         if (Players[Player_num].flags & PLAYER_FLAGS_CLOAKED) {
 385                                 vm_vec_sub(&vec_to_goal, &Believed_player_pos, &Gun_pos[best_gun_num]);
 386                                 dist_to_player = vm_vec_normalize_quick(&vec_to_goal);
 387                         } else {
 388                                 vm_vec_sub(&vec_to_goal, &ConsoleObject->pos, &Gun_pos[best_gun_num]);
 389                                 dist_to_player = vm_vec_normalize_quick(&vec_to_goal);
 390                         }
 391
 392                         if (dist_to_player > F1_0*300)
 393                         {
 394                                 Control_center_been_hit = 0;
 395                                 Control_center_player_been_seen = 0;
 396                                 return;
 397                         }
 398
 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, 1);
 404
 405                         //      some of time, based on level, fire another thing, not directly at player, so it might hit him if he's constantly moving.
 406                         rand_prob = F1_0/(abs(Current_level_num)/4+2);
 407                         count = 0;
 408                         while ((d_rand() > rand_prob) && (count < 4)) {
 409                                 vms_vector      randvec;
 410
 411                                 make_random_vector(&randvec);
 412                                 vm_vec_scale_add2(&vec_to_goal, &randvec, F1_0/6);
 413                                 vm_vec_normalize_quick(&vec_to_goal);
 414                                 #ifdef NETWORK
 415                                 if (Game_mode & GM_MULTI)
 416                                         multi_send_controlcen_fire(&vec_to_goal, best_gun_num, obj-Objects);
 417                                 #endif
 418                                 Laser_create_new_easy( &vec_to_goal, &Gun_pos[best_gun_num], obj-Objects, CONTROLCEN_WEAPON_NUM, 0);
 419                                 count++;
 420                         }
 421
 422                         delta_fire_time = (NDL - Difficulty_level) * F1_0/4;
 423                         if (Difficulty_level == 0)
 424                                 delta_fire_time += F1_0/2;
 425
 426                         if (Game_mode & GM_MULTI) // slow down rate of fire in multi player
 427                                 delta_fire_time *= 2;
 428
 429                         Control_center_next_fire_time = delta_fire_time;
 430
 431                 }
 432         } else
 433                 Control_center_next_fire_time -= FrameTime;
 434
 435 }
 436
 437 int Reactor_strength=-1;                //-1 mean not set by designer
 438
 439 //      -----------------------------------------------------------------------------
 440 //      This must be called at the start of each level.
 441 //      If this level contains a boss and mode != multiplayer, don't do control center stuff.  (Ghost out control center object.)
 442 //      If this level contains a boss and mode == multiplayer, do control center stuff.
 443 void init_controlcen_for_level(void)
 444 {
 445         int             i;
 446         object  *objp;
 447         int             cntrlcen_objnum=-1, boss_objnum=-1;
 448
 449         for (i=0; i<=Highest_object_index; i++) {
 450                 objp = &Objects[i];
 451                 if (objp->type == OBJ_CNTRLCEN)
 452                 {
 453                         if (cntrlcen_objnum != -1)
 454                                 mprintf((1, "Warning: Two or more control centers including %i and %i\n", i, cntrlcen_objnum));
 455                         else
 456                                 cntrlcen_objnum = i;
 457                 }
 458
 459                 if ((objp->type == OBJ_ROBOT) && (Robot_info[objp->id].boss_flag)) {
 460 //                      mprintf((0, "Found boss robot %d.\n", objp->id));
 461                         if (boss_objnum != -1)
 462                                 mprintf((1, "Warning: Two or more bosses including %i and %i\n", i, boss_objnum));
 463                         else
 464                                 boss_objnum = i;
 465                 }
 466         }
 467
 468 #ifndef NDEBUG
 469         if (cntrlcen_objnum == -1) {
 470                 mprintf((1, "Warning: No control center.\n"));
 471                 return;
 472         }
 473 #endif
 474
 475         if ( (boss_objnum != -1) && !((Game_mode & GM_MULTI) && !(Game_mode & GM_MULTI_ROBOTS)) ) {
 476                 if (cntrlcen_objnum != -1) {
 477 //                      mprintf((0, "Ghosting control center\n"));
 478                         Objects[cntrlcen_objnum].type = OBJ_GHOST;
 479                         Objects[cntrlcen_objnum].render_type = RT_NONE;
 480                         Control_center_present = 0;
 481                 }
 482         } else {
 483                 //      Compute all gun positions.
 484                 objp = &Objects[cntrlcen_objnum];
 485                 N_controlcen_guns = Reactors[objp->id].n_guns;
 486                 for (i=0; i<N_controlcen_guns; i++)
 487                         calc_controlcen_gun_point(&Gun_pos[i], &Gun_dir[i], objp, i);
 488                 Control_center_present = 1;
 489
 490                 if (Reactor_strength == -1) {           //use old defaults
 491                         //      Boost control center strength at higher levels.
 492                         if (Current_level_num >= 0)
 493                                 objp->shields = F1_0*200 + (F1_0*200/4) * Current_level_num;
 494                         else
 495                                 objp->shields = F1_0*200 - Current_level_num*F1_0*150;
 496                 }
 497                 else {
 498                         objp->shields = i2f(Reactor_strength);
 499                 }
 500
 501         }
 502
 503         //      Say the control center has not yet been hit.
 504         Control_center_been_hit = 0;
 505         Control_center_player_been_seen = 0;
 506         Control_center_next_fire_time = 0;
 507
 508         Dead_controlcen_object_num = -1;
 509 }
 510
 511 void special_reactor_stuff(void)
 512 {
 513         mprintf((0, "Mucking with reactor countdown time.\n"));
 514         if (Control_center_destroyed) {
 515                 Countdown_timer += i2f(Base_control_center_explosion_time + (NDL-1-Difficulty_level)*Base_control_center_explosion_time/(NDL-1));
 516                 Total_countdown_time = f2i(Countdown_timer)+2;  //      Will prevent "Self destruct sequence activated" message from replaying.
 517         }
 518 }
 519
 520 #ifndef FAST_FILE_IO
 521 /*
 522  * reads n reactor structs from a CFILE
 523  */
 524 extern int reactor_read_n(reactor *r, int n, CFILE *fp)
 525 {
 526         int i, j;
 527
 528         for (i = 0; i < n; i++) {
 529                 r[i].model_num = cfile_read_int(fp);
 530                 r[i].n_guns = cfile_read_int(fp);
 531                 for (j = 0; j < MAX_CONTROLCEN_GUNS; j++)
 532                         cfile_read_vector(&(r[i].gun_points[j]), fp);
 533                 for (j = 0; j < MAX_CONTROLCEN_GUNS; j++)
 534                         cfile_read_vector(&(r[i].gun_dirs[j]), fp);
 535         }
 536         return i;
 537 }
 538
 539 /*
 540  * reads a control_center_triggers structure from a CFILE
 541  */
 542 extern int control_center_triggers_read_n(control_center_triggers *cct, int n, CFILE *fp)
 543 {
 544         int i, j;
 545
 546         for (i = 0; i < n; i++)
 547         {
 548                 cct->num_links = cfile_read_short(fp);
 549                 for (j = 0; j < MAX_CONTROLCEN_LINKS; j++)
 550                         cct->seg[j] = cfile_read_short(fp);
 551                 for (j = 0; j < MAX_CONTROLCEN_LINKS; j++)
 552                         cct->side[j] = cfile_read_short(fp);
 553         }
 554         return i;
 555 }
 556 #endif