main/editor/eobject.c

   1 /* $Id: eobject.c,v 1.3 2004-12-19 15:21:11 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 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  13 */
  14
  15 /*
  16  *
  17  * Editor object functions.
  18  *
  19  */
  20
  21 #ifdef RCS
  22 static char rcsid[] = "$Id: eobject.c,v 1.3 2004-12-19 15:21:11 btb Exp $";
  23 #endif
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include "conf.h"
  27 #endif
  28
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <stdarg.h>
  32 #include <math.h>
  33 #include <string.h>
  34
  35 #include "inferno.h"
  36 #include "segment.h"
  37 #include "editor.h"
  38
  39 #include "objpage.h"
  40 #include "fix.h"
  41 #include "mono.h"
  42 #include "error.h"
  43 #include "kdefs.h"
  44 #include        "object.h"
  45 #include "polyobj.h"
  46 #include "game.h"
  47 #include "ai.h"
  48 #include "bm.h"
  49 #include "3d.h"         //      For g3_point_to_vec
  50 #include        "fvi.h"
  51
  52 #include "powerup.h"
  53 #include "fuelcen.h"
  54 #include "hostage.h"
  55 #include "medrobot.h"
  56 #include "player.h"
  57 #include "gameseg.h"
  58
  59 #define OBJ_SCALE               (F1_0/2)
  60 #define OBJ_DEL_SIZE    (F1_0/2)
  61
  62 #define ROTATION_UNIT (4096/4)
  63
  64 //segment               *Cur_object_seg = -1;
  65
  66 void show_objects_in_segment(segment *sp)
  67 {
  68         short           objid;
  69
  70         mprintf((0,"Objects in segment #%i: ",sp-Segments));
  71
  72         objid = sp->objects;
  73         while (objid != -1) {
  74                 mprintf((0,"%2i ",objid));
  75                 objid = Objects[objid].next;
  76         }
  77         mprintf((0,"\n"));
  78 }
  79
  80 //returns the number of the first object in a segment, skipping the player
  81 int get_first_object(segment *seg)
  82 {
  83         int id;
  84
  85         id = seg->objects;
  86
  87         if (id == (ConsoleObject-Objects))
  88                 id = Objects[id].next;
  89
  90         return id;
  91 }
  92
  93 //returns the number of the next object in a segment, skipping the player
  94 int get_next_object(segment *seg,int id)
  95 {
  96         if (id==-1 || (id=Objects[id].next)==-1)
  97                 return get_first_object(seg);
  98
  99         if (id == (ConsoleObject-Objects))
 100                 return get_next_object(seg,id);
 101
 102         return id;
 103 }
 104
 105
 106 //@@//  ------------------------------------------------------------------------------------------------------
 107 //@@// this should be called whenever the current segment may have changed
 108 //@@//  If Cur_object_seg != Cursegp, then update various variables.
 109 //@@// this used to be called update_due_to_new_segment()
 110 //@@void ObjectUpdateCurrent(void)
 111 //@@{
 112 //@@    if (Cur_object_seg != Cursegp) {
 113 //@@            Cur_object_seg = Cursegp;
 114 //@@            Cur_object_index = get_first_object(Cur_object_seg);
 115 //@@            Update_flags |= UF_WORLD_CHANGED;
 116 //@@    }
 117 //@@
 118 //@@}
 119
 120 //      ------------------------------------------------------------------------------------
 121 int place_object(segment *segp, vms_vector *object_pos, int object_type)
 122 {
 123         short objnum=0;
 124         object *obj;
 125         vms_matrix seg_matrix;
 126
 127         med_extract_matrix_from_segment(segp,&seg_matrix);
 128
 129         switch(ObjType[object_type]) {
 130
 131                 case OL_HOSTAGE:
 132
 133                         objnum = obj_create(OBJ_HOSTAGE, -1,
 134                                         segp-Segments,object_pos,&seg_matrix,HOSTAGE_SIZE,
 135                                         CT_NONE,MT_NONE,RT_HOSTAGE);
 136
 137                         if ( objnum < 0 )
 138                                 return 0;
 139
 140                         obj = &Objects[objnum];
 141
 142                         // Fill in obj->id and other hostage info
 143                         hostage_init_info( objnum );
 144
 145                         obj->control_type = CT_POWERUP;
 146
 147                         obj->rtype.vclip_info.vclip_num = Hostage_vclip_num[ObjId[object_type]];
 148                         obj->rtype.vclip_info.frametime = Vclip[obj->rtype.vclip_info.vclip_num].frame_time;
 149                         obj->rtype.vclip_info.framenum = 0;
 150
 151                         break;
 152
 153                 case OL_ROBOT:
 154
 155                         objnum = obj_create(OBJ_ROBOT,ObjId[object_type],segp-Segments,object_pos,
 156                                 &seg_matrix,Polygon_models[Robot_info[ObjId[object_type]].model_num].rad,
 157                                 CT_AI,MT_PHYSICS,RT_POLYOBJ);
 158
 159                         if ( objnum < 0 )
 160                                 return 0;
 161
 162                         obj = &Objects[objnum];
 163
 164                         //Set polygon-object-specific data
 165
 166                         obj->rtype.pobj_info.model_num = Robot_info[obj->id].model_num;
 167                         obj->rtype.pobj_info.subobj_flags = 0;
 168
 169                         //set Physics info
 170
 171                         obj->mtype.phys_info.mass = Robot_info[obj->id].mass;
 172                         obj->mtype.phys_info.drag = Robot_info[obj->id].drag;
 173
 174                         obj->mtype.phys_info.flags |= (PF_LEVELLING);
 175
 176                         obj->shields = Robot_info[obj->id].strength;
 177
 178                         {       int     hide_segment;
 179                         if (Markedsegp)
 180                                 hide_segment = Markedsegp-Segments;
 181                         else
 182                                 hide_segment = -1;
 183                         //      robots which lunge forward to attack cannot have behavior type still.
 184                         if (Robot_info[obj->id].attack_type)
 185                                 init_ai_object(obj-Objects, AIB_NORMAL, hide_segment);
 186                         else
 187                                 init_ai_object(obj-Objects, AIB_STILL, hide_segment);
 188                         }
 189                         break;
 190
 191                 case OL_POWERUP:
 192
 193                         objnum = obj_create(OBJ_POWERUP,ObjId[object_type],
 194                                         segp-Segments,object_pos,&seg_matrix,Powerup_info[ObjId[object_type]].size,
 195                                         CT_POWERUP,MT_NONE,RT_POWERUP);
 196
 197                         if ( objnum < 0 )
 198                                 return 0;
 199
 200                         obj = &Objects[objnum];
 201
 202                         //set powerup-specific data
 203
 204                         obj->rtype.vclip_info.vclip_num = Powerup_info[obj->id].vclip_num;
 205                         obj->rtype.vclip_info.frametime = Vclip[obj->rtype.vclip_info.vclip_num].play_time/Vclip[obj->rtype.vclip_info.vclip_num].num_frames;
 206                         obj->rtype.vclip_info.framenum = 0;
 207
 208                         if (obj->id == POW_VULCAN_WEAPON)
 209                                 obj->ctype.powerup_info.count = VULCAN_WEAPON_AMMO_AMOUNT;
 210                         else
 211                                 obj->ctype.powerup_info.count = 1;
 212
 213                         break;
 214
 215                 case OL_CLUTTER:
 216                 case OL_CONTROL_CENTER:
 217                 {
 218                         int obj_type,control_type;
 219
 220                         if (ObjType[object_type]==OL_CONTROL_CENTER) {
 221                                 obj_type = OBJ_CNTRLCEN;
 222                                 control_type = CT_CNTRLCEN;
 223                         }
 224                         else {
 225                                 obj_type = OBJ_CLUTTER;
 226                                 control_type = CT_NONE;
 227                         }
 228
 229                         objnum = obj_create(obj_type,object_type,segp-Segments,object_pos,
 230                                         &seg_matrix,Polygon_models[ObjId[object_type]].rad,
 231                                         control_type,MT_NONE,RT_POLYOBJ);
 232
 233                         if ( objnum < 0 )
 234                                 return 0;
 235
 236                         obj = &Objects[objnum];
 237
 238                         obj->shields = ObjStrength[object_type];
 239
 240                         //Set polygon-object-specific data
 241                         obj->shields = ObjStrength[object_type];
 242                         obj->rtype.pobj_info.model_num = ObjId[object_type];
 243                         obj->rtype.pobj_info.subobj_flags = 0;
 244
 245                         break;
 246                 }
 247
 248                 case OL_PLAYER: {
 249                         objnum = obj_create(OBJ_PLAYER,ObjId[object_type],segp-Segments,object_pos,
 250                                 &seg_matrix,Polygon_models[Player_ship->model_num].rad,
 251                                 CT_NONE,MT_PHYSICS,RT_POLYOBJ);
 252
 253                         if ( objnum < 0 )
 254                                 return 0;
 255
 256                         obj = &Objects[objnum];
 257
 258                         //Set polygon-object-specific data
 259
 260                         obj->rtype.pobj_info.model_num = Player_ship->model_num;
 261                         obj->rtype.pobj_info.subobj_flags = 0;
 262                         //for (i=0;i<MAX_SUBMODELS;i++)
 263                         //      vm_angvec_zero(&obj->rtype.pobj_info.anim_angles[i]);
 264
 265                         //set Physics info
 266
 267                         vm_vec_zero(&obj->mtype.phys_info.velocity);
 268                         obj->mtype.phys_info.mass = Player_ship->mass;
 269                         obj->mtype.phys_info.drag = Player_ship->drag;
 270                         obj->mtype.phys_info.flags |= PF_TURNROLL | PF_LEVELLING | PF_WIGGLE;
 271                         obj->shields = i2f(100);
 272
 273                         break;
 274                 }
 275                 default:
 276                         break;
 277                 }
 278
 279         Cur_object_index = objnum;
 280         //Cur_object_seg = Cursegp;
 281
 282         show_objects_in_segment(Cursegp);               //mprintf the objects
 283
 284         Update_flags |= UF_WORLD_CHANGED;
 285
 286         return 1;
 287 }
 288
 289 //      ------------------------------------------------------------------------------------------------------
 290 //      Count number of player objects, return value.
 291 int compute_num_players(void)
 292 {
 293         int     i, count = 0;
 294
 295         for (i=0; i<=Highest_object_index; i++)
 296                 if (Objects[i].type == OBJ_PLAYER)
 297                         count++;
 298
 299         return count;
 300
 301 }
 302
 303 int ObjectMakeCoop(void)
 304 {
 305         Assert(Cur_object_index != -1);
 306         Assert(Cur_object_index < MAX_OBJECTS);
 307 //      Assert(Objects[Cur_object_index.type == OBJ_PLAYER);
 308
 309         if (Objects[Cur_object_index].type == OBJ_PLAYER ) {
 310                 Objects[Cur_object_index].type = OBJ_COOP;
 311                 editor_status("You just made a player object COOPERATIVE");
 312         } else
 313                 editor_status("This is not a player object");
 314
 315         return 1;
 316 }
 317
 318 //      ------------------------------------------------------------------------------------------------------
 319 //      Place current object at center of current segment.
 320 int ObjectPlaceObject(void)
 321 {
 322         int     old_cur_object_index;
 323         int     rval;
 324
 325         vms_vector      cur_object_loc;
 326
 327 #ifdef SHAREWARE
 328         if (ObjType[Cur_robot_type] == OL_PLAYER) {
 329                 int num_players = compute_num_players();
 330                 Assert(num_players <= MAX_PLAYERS);
 331                 if (num_players == MAX_PLAYERS) {
 332                         editor_status("Can't place player object.  Already %i players.", MAX_PLAYERS);
 333                         return -1;
 334                 }
 335         }
 336 #endif
 337
 338 #ifndef SHAREWARE
 339         if (ObjType[Cur_robot_type] == OL_PLAYER) {
 340                 int num_players = compute_num_players();
 341                 Assert(num_players <= MAX_MULTI_PLAYERS);
 342                 if (num_players > MAX_PLAYERS)
 343                         editor_status("You just placed a cooperative player object");
 344                 if (num_players == MAX_MULTI_PLAYERS) {
 345                         editor_status("Can't place player object.  Already %i players.", MAX_MULTI_PLAYERS);
 346                         return -1;
 347                 }
 348         }
 349 #endif
 350
 351         //update_due_to_new_segment();
 352         compute_segment_center(&cur_object_loc, Cursegp);
 353
 354         old_cur_object_index = Cur_object_index;
 355         rval = place_object(Cursegp, &cur_object_loc, Cur_robot_type);
 356
 357         if (old_cur_object_index != Cur_object_index)
 358                 Objects[Cur_object_index].rtype.pobj_info.tmap_override = -1;
 359
 360         return rval;
 361
 362 }
 363
 364 //      ------------------------------------------------------------------------------------------------------
 365 //      Place current object at center of current segment.
 366 int ObjectPlaceObjectTmap(void)
 367 {
 368         int     rval, old_cur_object_index;
 369         vms_vector      cur_object_loc;
 370
 371         //update_due_to_new_segment();
 372         compute_segment_center(&cur_object_loc, Cursegp);
 373
 374         old_cur_object_index = Cur_object_index;
 375         rval = place_object(Cursegp, &cur_object_loc, Cur_robot_type);
 376
 377         if ((Cur_object_index != old_cur_object_index) && (Objects[Cur_object_index].render_type == RT_POLYOBJ))
 378                 Objects[Cur_object_index].rtype.pobj_info.tmap_override = CurrentTexture;
 379         else
 380                 editor_status("Unable to apply current texture map to this object.");
 381
 382         return rval;
 383 }
 384
 385 //      ------------------------------------------------------------------------------------------------------
 386 int ObjectSelectNextinSegment(void)
 387 {
 388         int     id;
 389         segment *objsegp;
 390
 391
 392         //update_due_to_new_segment();
 393
 394         //Assert(Cur_object_seg == Cursegp);
 395
 396         if (Cur_object_index == -1) {
 397                 objsegp = Cursegp;
 398                 Cur_object_index = objsegp->objects;
 399         } else {
 400                 objsegp = Cursegp;
 401                 if (Objects[Cur_object_index].segnum != Cursegp-Segments)
 402                         Cur_object_index = objsegp->objects;
 403         }
 404
 405
 406         //Debug: make sure current object is in current segment
 407         for (id=objsegp->objects;(id != Cur_object_index)  && (id != -1);id=Objects[id].next);
 408         Assert(id == Cur_object_index);         //should have found object
 409
 410         //      Select the next object, wrapping back to start if we are at the end of the linked list for this segment.
 411         if (id != -1)
 412                 Cur_object_index = get_next_object(objsegp,Cur_object_index);
 413
 414         //mprintf((0,"Cur_object_index == %i\n", Cur_object_index));
 415
 416         Update_flags |= UF_WORLD_CHANGED;
 417
 418         return 1;
 419
 420 }
 421
 422 //Moves to next object in the mine, skipping the player
 423 int ObjectSelectNextInMine()
 424 {       int i;
 425         for (i=0;i<MAX_OBJECTS;i++) {
 426                 Cur_object_index++;
 427                 if (Cur_object_index>= MAX_OBJECTS ) Cur_object_index= 0;
 428
 429                 if ((Objects[Cur_object_index ].type != OBJ_NONE) && (Cur_object_index != (ConsoleObject-Objects)) )    {
 430                         Cursegp = &Segments[Objects[Cur_object_index ].segnum];
 431                         med_create_new_segment_from_cursegp();
 432                         //Cur_object_seg = Cursegp;
 433                         return 1;
 434                 }
 435         }
 436         Cur_object_index = -1;
 437
 438         Update_flags |= UF_WORLD_CHANGED;
 439
 440         return 0;
 441 }
 442
 443 //Moves to next object in the mine, skipping the player
 444 int ObjectSelectPrevInMine()
 445 {       int i;
 446         for (i=0;i<MAX_OBJECTS;i++) {
 447                 Cur_object_index--;
 448                 if (Cur_object_index < 0 )
 449                         Cur_object_index = MAX_OBJECTS-1;
 450
 451                 if ((Objects[Cur_object_index ].type != OBJ_NONE) && (Cur_object_index != (ConsoleObject-Objects)) )    {
 452                         Cursegp = &Segments[Objects[Cur_object_index ].segnum];
 453                         med_create_new_segment_from_cursegp();
 454                         //Cur_object_seg = Cursegp;
 455                         return 1;
 456                 }
 457         }
 458         Cur_object_index = -1;
 459
 460         Update_flags |= UF_WORLD_CHANGED;
 461
 462         return 0;
 463 }
 464
 465 //      ------------------------------------------------------------------------------------------------------
 466 //      Delete current object, if it exists.
 467 //      If it doesn't exist, reformat Matt's hard disk, even if he is in Boston.
 468 int ObjectDelete(void)
 469 {
 470
 471         if (Cur_object_index != -1) {
 472                 int delete_objnum;
 473
 474                 delete_objnum = Cur_object_index;
 475
 476                 ObjectSelectNextinSegment();
 477
 478                 obj_delete(delete_objnum);
 479
 480                 if (delete_objnum == Cur_object_index)
 481                         Cur_object_index = -1;
 482
 483                 Update_flags |= UF_WORLD_CHANGED;
 484         }
 485
 486         return 1;
 487 }
 488
 489 //      -----------------------------------------------------------------------------------------------------------------
 490 //      Object has moved to another segment, (or at least poked through).
 491 //      If still in mine, that is legal, so relink into new segment.
 492 //      Return value:   0 = in mine, 1 = not in mine
 493 int move_object_within_mine(object * obj, vms_vector *newpos )
 494 {
 495         int segnum;
 496
 497         for (segnum=0;segnum <= Highest_segment_index; segnum++) {
 498                 segmasks        result = get_seg_masks(&obj->pos,segnum,0);
 499                 if (result.centermask == 0) {
 500                         int     fate;
 501                         fvi_info        hit_info;
 502                         fvi_query fq;
 503
 504                         //      See if the radius pokes through any wall.
 505                         fq.p0                                           = &obj->pos;
 506                         fq.startseg                             = obj->segnum;
 507                         fq.p1                                           = newpos;
 508                         fq.rad                                  = obj->size;
 509                         fq.thisobjnum                   = -1;
 510                         fq.ignore_obj_list      = NULL;
 511                         fq.flags                                        = 0;
 512
 513                         fate = find_vector_intersection(&fq,&hit_info);
 514
 515                         if (fate != HIT_WALL) {
 516                                 if ( segnum != obj->segnum )
 517                                         obj_relink( obj-Objects, segnum);
 518                                 obj->pos = *newpos;
 519                                 return 0;
 520                         } //else
 521                                 //mprintf((0, "Hit wall seg:side = %i:%i\n", hit_info.hit_seg, hit_info.hit_side));
 522                 }
 523         }
 524
 525         return 1;
 526
 527 }
 528
 529
 530 //      Return 0 if object is in expected segment, else return 1
 531 int verify_object_seg(object *objp, vms_vector *newpos)
 532 {
 533         segmasks        result = get_seg_masks(newpos, objp->segnum, objp->size);
 534
 535         if (result.facemask == 0)
 536                 return 0;
 537         else
 538                 return move_object_within_mine(objp, newpos);
 539
 540 }
 541
 542 //      ------------------------------------------------------------------------------------------------------
 543 int     ObjectMoveForward(void)
 544 {
 545         object *obj;
 546         vms_vector      fvec;
 547         vms_vector      newpos;
 548
 549         if (Cur_object_index == -1) {
 550                 editor_status("No current object, cannot move.");
 551                 return 1;
 552         }
 553
 554         obj = &Objects[Cur_object_index];
 555
 556         extract_forward_vector_from_segment(&Segments[obj->segnum], &fvec);
 557         vm_vec_normalize(&fvec);
 558
 559         vm_vec_add(&newpos, &obj->pos, vm_vec_scale(&fvec, OBJ_SCALE));
 560
 561         if (!verify_object_seg(obj, &newpos))
 562                 obj->pos = newpos;
 563
 564         Update_flags |= UF_WORLD_CHANGED;
 565
 566         return 1;
 567 }
 568
 569 //      ------------------------------------------------------------------------------------------------------
 570 int     ObjectMoveBack(void)
 571 {
 572         object *obj;
 573         vms_vector      fvec;
 574         vms_vector      newpos;
 575
 576         if (Cur_object_index == -1) {
 577                 editor_status("No current object, cannot move.");
 578                 return 1;
 579         }
 580
 581         obj = &Objects[Cur_object_index];
 582
 583         extract_forward_vector_from_segment(&Segments[obj->segnum], &fvec);
 584         vm_vec_normalize(&fvec);
 585
 586         vm_vec_sub(&newpos, &obj->pos, vm_vec_scale(&fvec, OBJ_SCALE));
 587
 588         if (!verify_object_seg(obj, &newpos))
 589                 obj->pos = newpos;
 590
 591         Update_flags |= UF_WORLD_CHANGED;
 592
 593         return 1;
 594 }
 595
 596 //      ------------------------------------------------------------------------------------------------------
 597 int     ObjectMoveLeft(void)
 598 {
 599         object *obj;
 600         vms_vector      rvec;
 601         vms_vector      newpos;
 602
 603         if (Cur_object_index == -1) {
 604                 editor_status("No current object, cannot move.");
 605                 return 1;
 606         }
 607
 608         obj = &Objects[Cur_object_index];
 609
 610         extract_right_vector_from_segment(&Segments[obj->segnum], &rvec);
 611         vm_vec_normalize(&rvec);
 612
 613         vm_vec_sub(&newpos, &obj->pos, vm_vec_scale(&rvec, OBJ_SCALE));
 614
 615         if (!verify_object_seg(obj, &newpos))
 616                 obj->pos = newpos;
 617
 618         Update_flags |= UF_WORLD_CHANGED;
 619
 620         return 1;
 621 }
 622
 623 //      ------------------------------------------------------------------------------------------------------
 624 int     ObjectMoveRight(void)
 625 {
 626         object *obj;
 627         vms_vector      rvec;
 628         vms_vector      newpos;
 629
 630         if (Cur_object_index == -1) {
 631                 editor_status("No current object, cannot move.");
 632                 return 1;
 633         }
 634
 635         obj = &Objects[Cur_object_index];
 636
 637         extract_right_vector_from_segment(&Segments[obj->segnum], &rvec);
 638         vm_vec_normalize(&rvec);
 639
 640         vm_vec_add(&newpos, &obj->pos, vm_vec_scale(&rvec, OBJ_SCALE));
 641
 642         if (!verify_object_seg(obj, &newpos))
 643                 obj->pos = newpos;
 644
 645         Update_flags |= UF_WORLD_CHANGED;
 646
 647         return 1;
 648 }
 649
 650 //      ------------------------------------------------------------------------------------------------------
 651 int     ObjectSetDefault(void)
 652 {
 653         //update_due_to_new_segment();
 654
 655         if (Cur_object_index == -1) {
 656                 editor_status("No current object, cannot move.");
 657                 return 1;
 658         }
 659
 660         compute_segment_center(&Objects[Cur_object_index].pos, &Segments[Objects[Cur_object_index].segnum]);
 661
 662         Update_flags |= UF_WORLD_CHANGED;
 663
 664         return 1;
 665 }
 666
 667
 668 //      ------------------------------------------------------------------------------------------------------
 669 int     ObjectMoveUp(void)
 670 {
 671         object *obj;
 672         vms_vector      uvec;
 673         vms_vector      newpos;
 674
 675         if (Cur_object_index == -1) {
 676                 editor_status("No current object, cannot move.");
 677                 return 1;
 678         }
 679
 680         obj = &Objects[Cur_object_index];
 681
 682         extract_up_vector_from_segment(&Segments[obj->segnum], &uvec);
 683         vm_vec_normalize(&uvec);
 684
 685         vm_vec_add(&newpos, &obj->pos, vm_vec_scale(&uvec, OBJ_SCALE));
 686
 687         if (!verify_object_seg(obj, &newpos))
 688                 obj->pos = newpos;
 689
 690         Update_flags |= UF_WORLD_CHANGED;
 691
 692         return 1;
 693 }
 694
 695 //      ------------------------------------------------------------------------------------------------------
 696 int     ObjectMoveDown(void)
 697 {
 698         object *obj;
 699         vms_vector      uvec;
 700         vms_vector      newpos;
 701
 702         if (Cur_object_index == -1) {
 703                 editor_status("No current object, cannot move.");
 704                 return 1;
 705         }
 706
 707         obj = &Objects[Cur_object_index];
 708
 709         extract_up_vector_from_segment(&Segments[obj->segnum], &uvec);
 710         vm_vec_normalize(&uvec);
 711
 712         vm_vec_sub(&newpos, &obj->pos, vm_vec_scale(&uvec, OBJ_SCALE));
 713
 714         if (!verify_object_seg(obj, &newpos))
 715                 obj->pos = newpos;
 716
 717         Update_flags |= UF_WORLD_CHANGED;
 718
 719         return 1;
 720 }
 721
 722 //      ------------------------------------------------------------------------------------------------------
 723 int     ObjectMakeSmaller(void)
 724 {
 725         fix     cur_size;
 726
 727         //update_due_to_new_segment();
 728
 729         cur_size = Objects[Cur_object_index].size;
 730
 731         cur_size -= OBJ_DEL_SIZE;
 732         if (cur_size < OBJ_DEL_SIZE)
 733                 cur_size = OBJ_DEL_SIZE;
 734
 735         Objects[Cur_object_index].size = cur_size;
 736
 737         Update_flags |= UF_WORLD_CHANGED;
 738
 739         return 1;
 740 }
 741
 742 //      ------------------------------------------------------------------------------------------------------
 743 int     ObjectMakeLarger(void)
 744 {
 745         fix     cur_size;
 746
 747         //update_due_to_new_segment();
 748
 749         cur_size = Objects[Cur_object_index].size;
 750
 751         cur_size += OBJ_DEL_SIZE;
 752
 753         Objects[Cur_object_index].size = cur_size;
 754
 755         Update_flags |= UF_WORLD_CHANGED;
 756
 757         return 1;
 758 }
 759
 760 //      ------------------------------------------------------------------------------------------------------
 761
 762 int rotate_object(short objnum, int p, int b, int h)
 763 {
 764         object *obj = &Objects[objnum];
 765         vms_angvec ang;
 766         vms_matrix rotmat,tempm;
 767
 768 //      vm_extract_angles_matrix( &ang,&obj->orient);
 769
 770 //      ang.p += p;
 771 //      ang.b += b;
 772 //      ang.h += h;
 773
 774         ang.p = p;
 775         ang.b = b;
 776         ang.h = h;
 777
 778         vm_angles_2_matrix(&rotmat, &ang);
 779         vm_matrix_x_matrix(&tempm, &obj->orient, &rotmat);
 780         obj->orient = tempm;
 781
 782 //   vm_angles_2_matrix(&obj->orient, &ang);
 783
 784         Update_flags |= UF_WORLD_CHANGED;
 785
 786         return 1;
 787 }
 788
 789
 790 void reset_object(short objnum)
 791 {
 792         object *obj = &Objects[objnum];
 793
 794         med_extract_matrix_from_segment(&Segments[obj->segnum],&obj->orient);
 795
 796 }
 797
 798
 799
 800 int ObjectResetObject()
 801 {
 802         reset_object(Cur_object_index);
 803
 804         Update_flags |= UF_WORLD_CHANGED;
 805
 806         return 1;
 807 }
 808
 809
 810 int ObjectFlipObject()
 811 {
 812         vms_matrix *m=&Objects[Cur_object_index].orient;
 813
 814         vm_vec_negate(&m->uvec);
 815         vm_vec_negate(&m->rvec);
 816
 817         Update_flags |= UF_WORLD_CHANGED;
 818
 819         return 1;
 820 }
 821
 822 int ObjectDecreaseBank()                {return rotate_object(Cur_object_index, 0, -ROTATION_UNIT, 0);}
 823 int ObjectIncreaseBank()                {return rotate_object(Cur_object_index, 0, ROTATION_UNIT, 0);}
 824 int ObjectDecreasePitch()               {return rotate_object(Cur_object_index, -ROTATION_UNIT, 0, 0);}
 825 int ObjectIncreasePitch()               {return rotate_object(Cur_object_index, ROTATION_UNIT, 0, 0);}
 826 int ObjectDecreaseHeading()     {return rotate_object(Cur_object_index, 0, 0, -ROTATION_UNIT);}
 827 int ObjectIncreaseHeading()     {return rotate_object(Cur_object_index, 0, 0, ROTATION_UNIT);}
 828
 829 int ObjectDecreaseBankBig()             {return rotate_object(Cur_object_index, 0, -(ROTATION_UNIT*4), 0);}
 830 int ObjectIncreaseBankBig()             {return rotate_object(Cur_object_index, 0, (ROTATION_UNIT*4), 0);}
 831 int ObjectDecreasePitchBig()            {return rotate_object(Cur_object_index, -(ROTATION_UNIT*4), 0, 0);}
 832 int ObjectIncreasePitchBig()            {return rotate_object(Cur_object_index, (ROTATION_UNIT*4), 0, 0);}
 833 int ObjectDecreaseHeadingBig()  {return rotate_object(Cur_object_index, 0, 0, -(ROTATION_UNIT*4));}
 834 int ObjectIncreaseHeadingBig()  {return rotate_object(Cur_object_index, 0, 0, (ROTATION_UNIT*4));}
 835
 836 //      -----------------------------------------------------------------------------------------------------
 837 //      Move object around based on clicks in 2d screen.
 838 //      Slide an object parallel to the 2d screen, to a point on a vector.
 839 //      The vector is defined by a point on the 2d screen and the eye.
 840
 841 //      V       =       vector from eye to 2d screen point.
 842 //      E       =       eye
 843 //      F       =       forward vector from eye
 844 //      O       =       3-space location of object
 845
 846 //      D       =       depth of object given forward vector F
 847 //              =       (OE dot norm(F))
 848
 849 //      Must solve intersection of:
 850 //              E + tV          ( equation of vector from eye through point on 2d screen)
 851 //              Fs + D          ( equation of plane parallel to 2d screen, at depth D)
 852 //              =       Fx(Ex + tVx) + Fy(Ey + tVy) + Fz(Ez + tVz) + D = 0
 853 //
 854 //                            FxEx + FyEy + FzEz - D
 855 //                      t = - ----------------------
 856 //                                        VxFx + VyFy + VzFz
 857
 858
 859 //void print_vec(vms_vector *vec, char *text)
 860 //{
 861 //      mprintf((0, "%10s = %9.5f %9.5f %9.5f\n", text, f2fl(vec->x), f2fl(vec->y), f2fl(vec->z)));
 862 //}
 863 //
 864 // void solve(vms_vector *result, vms_vector *E, vms_vector *V, vms_vector *O, vms_vector *F)
 865 // {
 866 //      fix     t, D;
 867 //      vms_vector      Fnorm, Vnorm;
 868 //      fix                     num, denom;
 869 //      // float                        test_plane;
 870 //
 871 //      print_vec(E, "E");
 872 //      print_vec(V, "V");
 873 //      print_vec(O, "O");
 874 //      print_vec(F, "F");
 875 //
 876 //      Fnorm = *F;     vm_vec_normalize(&Fnorm);
 877 //      Vnorm = *V;     vm_vec_normalize(&Vnorm);
 878 //
 879 //      D = (fixmul(O->x, Fnorm.x) + fixmul(O->y, Fnorm.y) + fixmul(O->z, Fnorm.z));
 880 //      mprintf((0, "D = %9.5f\n", f2fl(D)));
 881 //
 882 //      num = fixmul(Fnorm.x, E->x) + fixmul(Fnorm.y, E->y) + fixmul(Fnorm.z, E->z) - D;
 883 //      denom = vm_vec_dot(&Vnorm, &Fnorm);
 884 //      t = - num/denom;
 885 //
 886 //      mprintf((0, "num = %9.5f, denom = %9.5f, t = %9.5f\n", f2fl(num), f2fl(denom), f2fl(t)));
 887 //
 888 //      result->x = E->x + fixmul(t, Vnorm.x);
 889 //      result->y = E->y + fixmul(t, Vnorm.y);
 890 //      result->z = E->z + fixmul(t, Vnorm.z);
 891 //
 892 //      print_vec(result, "result");
 893 //
 894 //      // test_plane = fixmul(result->x, Fnorm.x) + fixmul(result->y, Fnorm.y) + fixmul(result->z, Fnorm.z) - D;
 895 //      // if (abs(test_plane) > .001)
 896 //      //      printf("OOPS: test_plane = %9.5f\n", test_plane);
 897 // }
 898
 899 void move_object_to_position(int objnum, vms_vector *newpos)
 900 {
 901         object  *objp = &Objects[objnum];
 902
 903         segmasks        result = get_seg_masks(newpos, objp->segnum, objp->size);
 904
 905         if (result.facemask == 0) {
 906                 //mprintf((0, "Object #%i moved from (%7.3f %7.3f %7.3f) to (%7.3f %7.3f %7.3f)\n", objnum, f2fl(objp->pos.x), f2fl(objp->pos.y), f2fl(objp->pos.z), f2fl(newpos->x), f2fl(newpos->y), f2fl(newpos->z)));
 907                 objp->pos = *newpos;
 908         } else {
 909                 if (verify_object_seg(&Objects[objnum], newpos)) {
 910                         int             fate, count;
 911                         int             viewer_segnum;
 912                         object  temp_viewer_obj;
 913                         fvi_query fq;
 914                         fvi_info        hit_info;
 915                         vms_vector      last_outside_pos;
 916                         vms_vector      last_inside_pos;
 917
 918                         temp_viewer_obj = *Viewer;
 919                         viewer_segnum = find_object_seg(&temp_viewer_obj);
 920                         temp_viewer_obj.segnum = viewer_segnum;
 921
 922                         //      If the viewer is outside the mine, get him in the mine!
 923                         if (viewer_segnum == -1) {
 924                                 //      While outside mine, move towards object
 925                                 count = 0;
 926                                 while (viewer_segnum == -1) {
 927                                         vms_vector      temp_vec;
 928
 929                                         //mprintf((0, "[towards %7.3f %7.3f %7.3f]\n", f2fl(temp_viewer_obj.pos.x), f2fl(temp_viewer_obj.pos.y), f2fl(temp_viewer_obj.pos.z)));
 930                                         last_outside_pos = temp_viewer_obj.pos;
 931
 932                                         vm_vec_avg(&temp_vec, &temp_viewer_obj.pos, newpos);
 933                                         temp_viewer_obj.pos = temp_vec;
 934                                         viewer_segnum = find_object_seg(&temp_viewer_obj);
 935                                         temp_viewer_obj.segnum = viewer_segnum;
 936
 937                                         if (count > 5) {
 938                                                 editor_status("Unable to move object, can't get viewer in mine.  Aborting");
 939                                                 return;
 940                                         }
 941                                 }
 942
 943                                 count = 0;
 944                                 //      While inside mine, move away from object.
 945                                 while (viewer_segnum != -1) {
 946
 947                                         vms_vector      temp_vec;
 948
 949                                         //mprintf((0, "[away %7.3f %7.3f %7.3f]\n", f2fl(temp_viewer_obj.pos.x), f2fl(temp_viewer_obj.pos.y), f2fl(temp_viewer_obj.pos.z)));
 950                                         last_inside_pos = temp_viewer_obj.pos;
 951
 952                                         vm_vec_avg(&temp_vec, &temp_viewer_obj.pos, &last_outside_pos);
 953                                         temp_viewer_obj.pos = temp_vec;
 954                                         update_object_seg(&temp_viewer_obj);
 955                                         viewer_segnum = find_object_seg(&temp_viewer_obj);
 956                                         temp_viewer_obj.segnum = viewer_segnum;
 957
 958                                         if (count > 5) {
 959                                                 editor_status("Unable to move object, can't get viewer back out of mine.  Aborting");
 960                                                 return;
 961                                         }
 962                                 }
 963                         }
 964
 965                         fq.p0                                           = &temp_viewer_obj.pos;
 966                         fq.startseg                             = temp_viewer_obj.segnum;
 967                         fq.p1                                           = newpos;
 968                         fq.rad                                  = temp_viewer_obj.size;
 969                         fq.thisobjnum                   = -1;
 970                         fq.ignore_obj_list      = NULL;
 971                         fq.flags                                        = 0;
 972
 973                         fate = find_vector_intersection(&fq,&hit_info);
 974                         if (fate == HIT_WALL) {
 975                                 int     new_segnum;
 976
 977                                 //mprintf((0, "Hit wall seg:side = %i:%i, point = (%7.3f %7.3f %7.3f)\n", hit_info.hit_seg, hit_info.hit_side, f2fl(hit_info.hit_pnt.x), f2fl(hit_info.hit_pnt.y), f2fl(hit_info.hit_pnt.z)));
 978                                 objp->pos = hit_info.hit_pnt;
 979                                 new_segnum = find_object_seg(objp);
 980                                 Assert(new_segnum != -1);
 981                                 obj_relink(objp-Objects, new_segnum);
 982                                 //mprintf((0, "Object moved from segment %i to %i\n", old_segnum, objp->segnum));
 983                         } else {
 984                                 editor_status("Attempted to move object out of mine.  Object not moved.");
 985                                 //mprintf((0,"Attempted to move object out of mine.  Object not moved."));
 986                         }
 987                 }
 988         }
 989
 990         Update_flags |= UF_WORLD_CHANGED;
 991 }
 992
 993 void move_object_to_vector(vms_vector *vec_through_screen, fix delta_distance)
 994 {
 995         vms_vector      result;
 996
 997         vm_vec_scale_add(&result, &Viewer->pos, vec_through_screen, vm_vec_dist(&Viewer->pos,&Objects[Cur_object_index].pos)+delta_distance);
 998
 999         move_object_to_position(Cur_object_index, &result);
1000
1001 }
1002
1003 void move_object_to_mouse_click_delta(fix delta_distance)
1004 {
1005         short                   xcrd,ycrd;
1006         vms_vector      vec_through_screen;
1007
1008         if (Cur_object_index == -1) {
1009                 editor_status("Cur_object_index == -1, cannot move that peculiar object...aborting!");
1010                 return;
1011         }
1012
1013         xcrd = GameViewBox->b1_drag_x1;
1014         ycrd = GameViewBox->b1_drag_y1;
1015
1016         med_point_2_vec(&_canv_editor_game, &vec_through_screen, xcrd, ycrd);
1017
1018         //mprintf((0, "Mouse click at %i %i, vector = %7.3f %7.3f %7.3f\n", xcrd, ycrd, f2fl(vec_through_screen.x), f2fl(vec_through_screen.y), f2fl(vec_through_screen.z)));
1019
1020         move_object_to_vector(&vec_through_screen, delta_distance);
1021
1022 }
1023
1024 void move_object_to_mouse_click(void)
1025 {
1026         move_object_to_mouse_click_delta(0);
1027 }
1028
1029 int     ObjectMoveNearer(void)
1030 {
1031         vms_vector      result;
1032
1033         if (Cur_object_index == -1) {
1034                 editor_status("Cur_object_index == -1, cannot move that peculiar object...aborting!");
1035                 return 1;
1036         }
1037
1038 //      move_object_to_mouse_click_delta(-4*F1_0);              //      Move four units closer to eye
1039
1040         vm_vec_sub(&result, &Objects[Cur_object_index].pos, &Viewer->pos);
1041         vm_vec_normalize(&result);
1042         move_object_to_vector(&result, -4*F1_0);
1043
1044         return 1;
1045 }
1046
1047 int     ObjectMoveFurther(void)
1048 {
1049         vms_vector      result;
1050
1051         if (Cur_object_index == -1) {
1052                 editor_status("Cur_object_index == -1, cannot move that peculiar object...aborting!");
1053                 return 1;
1054         }
1055
1056 //      move_object_to_mouse_click_delta(+4*F1_0);              //      Move four units further from eye
1057
1058         vm_vec_sub(&result, &Objects[Cur_object_index].pos, &Viewer->pos);
1059         vm_vec_normalize(&result);
1060         move_object_to_vector(&result, 4*F1_0);
1061
1062         return 1;
1063 }
1064