cl_collision.c

   1
   2 #include "quakedef.h"
   3 #include "cl_collision.h"
   4
   5 float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, vec3_t normal, int *hitent, entity_render_t *ignoreent)
   6 {
   7         float maxfrac;
   8         int n;
   9         entity_render_t *ent;
  10         vec_t tracemins[3], tracemaxs[3];
  11         trace_t trace;
  12         vec_t tempnormal[3], starttransformed[3], endtransformed[3];
  13
  14         memset (&trace, 0 , sizeof(trace_t));
  15         trace.fraction = 1;
  16         VectorCopy (end, trace.endpos);
  17
  18         if (hitent)
  19                 *hitent = 0;
  20         if (cl.worldmodel && cl.worldmodel->TraceLine)
  21                 cl.worldmodel->TraceLine(cl.worldmodel, NULL, NULL, &trace, start, end, SUPERCONTENTS_SOLID);
  22
  23         if (normal)
  24                 VectorCopy(trace.plane.normal, normal);
  25         maxfrac = trace.fraction;
  26
  27         tracemins[0] = min(start[0], end[0]);
  28         tracemaxs[0] = max(start[0], end[0]);
  29         tracemins[1] = min(start[1], end[1]);
  30         tracemaxs[1] = max(start[1], end[1]);
  31         tracemins[2] = min(start[2], end[2]);
  32         tracemaxs[2] = max(start[2], end[2]);
  33
  34         // look for embedded bmodels
  35         for (n = 0;n < cl.num_entities;n++)
  36         {
  37                 if (!cl.entities_active[n])
  38                         continue;
  39                 ent = &cl.entities[n].render;
  40                 if (!BoxesOverlap(ent->mins, ent->maxs, tracemins, tracemaxs))
  41                         continue;
  42                 if (!ent->model || !ent->model->TraceLine)
  43                         continue;
  44                 if ((ent->flags & RENDER_EXTERIORMODEL) && !chase_active.integer)
  45                         continue;
  46                 // if transparent and not selectable, skip entity
  47                 if (!(cl.entities[n].state_current.effects & EF_SELECTABLE) && (ent->alpha < 1 || (ent->effects & (EF_ADDITIVE | EF_NODEPTHTEST))))
  48                         continue;
  49                 if (ent == ignoreent)
  50                         continue;
  51                 Matrix4x4_Transform(&ent->inversematrix, start, starttransformed);
  52                 Matrix4x4_Transform(&ent->inversematrix, end, endtransformed);
  53                 Collision_ClipTrace_Box(&trace, ent->model->normalmins, ent->model->normalmaxs, starttransformed, vec3_origin, vec3_origin, endtransformed, SUPERCONTENTS_SOLID, SUPERCONTENTS_SOLID, 0, NULL);
  54                 if (maxfrac < trace.fraction)
  55                         continue;
  56
  57                 ent->model->TraceLine(ent->model, ent->frameblend, ent->skeleton, &trace, starttransformed, endtransformed, SUPERCONTENTS_SOLID);
  58
  59                 if (maxfrac > trace.fraction)
  60                 {
  61                         if (hitent)
  62                                 *hitent = n;
  63                         maxfrac = trace.fraction;
  64                         if (normal)
  65                         {
  66                                 VectorCopy(trace.plane.normal, tempnormal);
  67                                 Matrix4x4_Transform3x3(&ent->matrix, tempnormal, normal);
  68                         }
  69                 }
  70         }
  71         maxfrac = bound(0, maxfrac, 1);
  72         //maxrealfrac = bound(0, maxrealfrac, 1);
  73         //if (maxfrac < 0 || maxfrac > 1) Con_Printf("fraction out of bounds %f %s:%d\n", maxfrac, __FILE__, __LINE__);
  74         if (impact)
  75                 VectorLerp(start, maxfrac, end, impact);
  76         return maxfrac;
  77 }
  78
  79 void CL_FindNonSolidLocation(const vec3_t in, vec3_t out, vec_t radius)
  80 {
  81         // FIXME: check multiple brush models
  82         if (cl.worldmodel && cl.worldmodel->brush.FindNonSolidLocation)
  83                 cl.worldmodel->brush.FindNonSolidLocation(cl.worldmodel, in, out, radius);
  84 }
  85
  86 dp_model_t *CL_GetModelByIndex(int modelindex)
  87 {
  88         if(!modelindex)
  89                 return NULL;
  90         if (modelindex < 0)
  91         {
  92                 modelindex = -(modelindex+1);
  93                 if (modelindex < MAX_MODELS)
  94                         return cl.csqc_model_precache[modelindex];
  95         }
  96         else
  97         {
  98                 if(modelindex < MAX_MODELS)
  99                         return cl.model_precache[modelindex];
 100         }
 101         return NULL;
 102 }
 103
 104 dp_model_t *CL_GetModelFromEdict(prvm_edict_t *ed)
 105 {
 106         prvm_prog_t *prog = CLVM_prog;
 107         if (!ed || ed->priv.server->free)
 108                 return NULL;
 109         return CL_GetModelByIndex((int)PRVM_clientedictfloat(ed, modelindex));
 110 }
 111
 112 void CL_LinkEdict(prvm_edict_t *ent)
 113 {
 114         prvm_prog_t *prog = CLVM_prog;
 115         vec3_t mins, maxs;
 116
 117         if (ent == prog->edicts)
 118                 return;         // don't add the world
 119
 120         if (ent->priv.server->free)
 121                 return;
 122
 123         // set the abs box
 124
 125         if (PRVM_clientedictfloat(ent, solid) == SOLID_BSP)
 126         {
 127                 dp_model_t *model = CL_GetModelByIndex( (int)PRVM_clientedictfloat(ent, modelindex) );
 128                 if (model == NULL)
 129                 {
 130                         Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
 131
 132                         model = CL_GetModelByIndex( 0 );
 133                 }
 134
 135                 if( model != NULL )
 136                 {
 137                         if (!model->TraceBox)
 138                                 Con_DPrintf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
 139
 140                         if (PRVM_clientedictvector(ent, angles)[0] || PRVM_clientedictvector(ent, angles)[2] || PRVM_clientedictvector(ent, avelocity)[0] || PRVM_clientedictvector(ent, avelocity)[2])
 141                         {
 142                                 VectorAdd(PRVM_clientedictvector(ent, origin), model->rotatedmins, mins);
 143                                 VectorAdd(PRVM_clientedictvector(ent, origin), model->rotatedmaxs, maxs);
 144                         }
 145                         else if (PRVM_clientedictvector(ent, angles)[1] || PRVM_clientedictvector(ent, avelocity)[1])
 146                         {
 147                                 VectorAdd(PRVM_clientedictvector(ent, origin), model->yawmins, mins);
 148                                 VectorAdd(PRVM_clientedictvector(ent, origin), model->yawmaxs, maxs);
 149                         }
 150                         else
 151                         {
 152                                 VectorAdd(PRVM_clientedictvector(ent, origin), model->normalmins, mins);
 153                                 VectorAdd(PRVM_clientedictvector(ent, origin), model->normalmaxs, maxs);
 154                         }
 155                 }
 156                 else
 157                 {
 158                         // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
 159                         VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
 160                         VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
 161                 }
 162         }
 163         else
 164         {
 165                 VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
 166                 VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
 167         }
 168
 169         VectorCopy(mins, PRVM_clientedictvector(ent, absmin));
 170         VectorCopy(maxs, PRVM_clientedictvector(ent, absmax));
 171
 172         World_LinkEdict(&cl.world, ent, mins, maxs);
 173 }
 174
 175 int CL_GenericHitSuperContentsMask(const prvm_edict_t *passedict)
 176 {
 177         prvm_prog_t *prog = CLVM_prog;
 178         if (passedict)
 179         {
 180                 int dphitcontentsmask = (int)PRVM_clientedictfloat(passedict, dphitcontentsmask);
 181                 if (dphitcontentsmask)
 182                         return dphitcontentsmask;
 183                 else if (PRVM_clientedictfloat(passedict, solid) == SOLID_SLIDEBOX)
 184                 {
 185                         if ((int)PRVM_clientedictfloat(passedict, flags) & FL_MONSTER)
 186                                 return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_MONSTERCLIP;
 187                         else
 188                                 return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP;
 189                 }
 190                 else if (PRVM_clientedictfloat(passedict, solid) == SOLID_CORPSE)
 191                         return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
 192                 else if (PRVM_clientedictfloat(passedict, solid) == SOLID_TRIGGER)
 193                         return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
 194                 else
 195                         return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
 196         }
 197         else
 198                 return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
 199 }
 200
 201 /*
 202 ==================
 203 CL_Move
 204 ==================
 205 */
 206 trace_t CL_TracePoint(const vec3_t start, int type, prvm_edict_t *passedict, int hitsupercontentsmask, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities)
 207 {
 208         prvm_prog_t *prog = CLVM_prog;
 209         int i, bodysupercontents;
 210         int passedictprog;
 211         prvm_edict_t *traceowner, *touch;
 212         trace_t trace;
 213         // temporary storage because prvm_vec_t may need conversion
 214         vec3_t touchmins, touchmaxs;
 215         // bounding box of entire move area
 216         vec3_t clipboxmins, clipboxmaxs;
 217         // size when clipping against monsters
 218         vec3_t clipmins2, clipmaxs2;
 219         // start and end origin of move
 220         vec3_t clipstart;
 221         // trace results
 222         trace_t cliptrace;
 223         // matrices to transform into/out of other entity's space
 224         matrix4x4_t matrix, imatrix;
 225         // model of other entity
 226         dp_model_t *model;
 227         // list of entities to test for collisions
 228         int numtouchedicts;
 229         static prvm_edict_t *touchedicts[MAX_EDICTS];
 230
 231         if (hitnetworkentity)
 232                 *hitnetworkentity = 0;
 233
 234         VectorCopy(start, clipstart);
 235         VectorClear(clipmins2);
 236         VectorClear(clipmaxs2);
 237 #if COLLISIONPARANOID >= 3
 238         Con_Printf("move(%f %f %f)", clipstart[0], clipstart[1], clipstart[2]);
 239 #endif
 240
 241         // clip to world
 242         Collision_ClipPointToWorld(&cliptrace, cl.worldmodel, clipstart, hitsupercontentsmask);
 243         cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
 244         if (cliptrace.startsolid || cliptrace.fraction < 1)
 245                 cliptrace.ent = prog ? prog->edicts : NULL;
 246         if (type == MOVE_WORLDONLY)
 247                 goto finished;
 248
 249         if (type == MOVE_MISSILE)
 250         {
 251                 // LordHavoc: modified this, was = -15, now -= 15
 252                 for (i = 0;i < 3;i++)
 253                 {
 254                         clipmins2[i] -= 15;
 255                         clipmaxs2[i] += 15;
 256                 }
 257         }
 258
 259         // create the bounding box of the entire move
 260         for (i = 0;i < 3;i++)
 261         {
 262                 clipboxmins[i] = clipstart[i] - 1;
 263                 clipboxmaxs[i] = clipstart[i] + 1;
 264         }
 265
 266         // debug override to test against everything
 267         if (sv_debugmove.integer)
 268         {
 269                 clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
 270                 clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] =  999999999;
 271         }
 272
 273         // if the passedict is world, make it NULL (to avoid two checks each time)
 274         // this checks prog because this function is often called without a CSQC
 275         // VM context
 276         if (prog == NULL || passedict == prog->edicts)
 277                 passedict = NULL;
 278         // precalculate prog value for passedict for comparisons
 279         passedictprog = prog != NULL ? PRVM_EDICT_TO_PROG(passedict) : 0;
 280         // precalculate passedict's owner edict pointer for comparisons
 281         traceowner = passedict ? PRVM_PROG_TO_EDICT(PRVM_clientedictedict(passedict, owner)) : NULL;
 282
 283         // collide against network entities
 284         if (hitnetworkbrushmodels)
 285         {
 286                 for (i = 0;i < cl.num_brushmodel_entities;i++)
 287                 {
 288                         entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
 289                         if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
 290                                 continue;
 291                         Collision_ClipPointToGenericEntity(&trace, ent->model, ent->frameblend, ent->skeleton, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, hitsupercontentsmask);
 292                         if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 293                                 *hitnetworkentity = cl.brushmodel_entities[i];
 294                         Collision_CombineTraces(&cliptrace, &trace, NULL, true);
 295                 }
 296         }
 297
 298         // collide against player entities
 299         if (hitnetworkplayers)
 300         {
 301                 vec3_t origin, entmins, entmaxs;
 302                 matrix4x4_t entmatrix, entinversematrix;
 303
 304                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
 305                 {
 306                         // don't hit network players, if we are a nonsolid player
 307                         if(cl.scores[cl.playerentity-1].frags == -666 || cl.scores[cl.playerentity-1].frags == -616)
 308                                 goto skipnetworkplayers;
 309                 }
 310
 311                 for (i = 1;i <= cl.maxclients;i++)
 312                 {
 313                         entity_render_t *ent = &cl.entities[i].render;
 314
 315                         // don't hit ourselves
 316                         if (i == cl.playerentity)
 317                                 continue;
 318
 319                         // don't hit players that don't exist
 320                         if (!cl.scores[i-1].name[0])
 321                                 continue;
 322
 323                         if(IS_OLDNEXUIZ_DERIVED(gamemode))
 324                         {
 325                                 // don't hit spectators or nonsolid players
 326                                 if(cl.scores[i-1].frags == -666 || cl.scores[i-1].frags == -616)
 327                                         continue;
 328                         }
 329
 330                         Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
 331                         VectorAdd(origin, cl.playerstandmins, entmins);
 332                         VectorAdd(origin, cl.playerstandmaxs, entmaxs);
 333                         if (!BoxesOverlap(clipboxmins, clipboxmaxs, entmins, entmaxs))
 334                                 continue;
 335                         Matrix4x4_CreateTranslate(&entmatrix, origin[0], origin[1], origin[2]);
 336                         Matrix4x4_CreateTranslate(&entinversematrix, -origin[0], -origin[1], -origin[2]);
 337                         Collision_ClipPointToGenericEntity(&trace, NULL, NULL, NULL, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, hitsupercontentsmask);
 338                         if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 339                                 *hitnetworkentity = i;
 340                         Collision_CombineTraces(&cliptrace, &trace, NULL, false);
 341                 }
 342
 343 skipnetworkplayers:
 344                 ;
 345         }
 346
 347         // clip to entities
 348         // because this uses World_EntitiestoBox, we know all entity boxes overlap
 349         // the clip region, so we can skip culling checks in the loop below
 350         // note: if prog is NULL then there won't be any linked entities
 351         numtouchedicts = 0;
 352         if (hitcsqcentities && prog != NULL)
 353         {
 354                 numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
 355                 if (numtouchedicts > MAX_EDICTS)
 356                 {
 357                         // this never happens
 358                         Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
 359                         numtouchedicts = MAX_EDICTS;
 360                 }
 361         }
 362         for (i = 0;i < numtouchedicts;i++)
 363         {
 364                 touch = touchedicts[i];
 365
 366                 if (PRVM_clientedictfloat(touch, solid) < SOLID_BBOX)
 367                         continue;
 368                 if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
 369                         continue;
 370
 371                 if (passedict)
 372                 {
 373                         // don't clip against self
 374                         if (passedict == touch)
 375                                 continue;
 376                         // don't clip owned entities against owner
 377                         if (traceowner == touch)
 378                                 continue;
 379                         // don't clip owner against owned entities
 380                         if (passedictprog == PRVM_clientedictedict(touch, owner))
 381                                 continue;
 382                         // don't clip points against points (they can't collide)
 383                         if (VectorCompare(PRVM_clientedictvector(touch, mins), PRVM_clientedictvector(touch, maxs)) && (type != MOVE_MISSILE || !((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)))
 384                                 continue;
 385                 }
 386
 387                 bodysupercontents = PRVM_clientedictfloat(touch, solid) == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
 388
 389                 // might interact, so do an exact clip
 390                 model = NULL;
 391                 if ((int) PRVM_clientedictfloat(touch, solid) == SOLID_BSP || type == MOVE_HITMODEL)
 392                         model = CL_GetModelFromEdict(touch);
 393                 if (model)
 394                         Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2], PRVM_clientedictvector(touch, angles)[0], PRVM_clientedictvector(touch, angles)[1], PRVM_clientedictvector(touch, angles)[2], 1);
 395                 else
 396                         Matrix4x4_CreateTranslate(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2]);
 397                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 398                 VectorCopy(PRVM_clientedictvector(touch, mins), touchmins);
 399                 VectorCopy(PRVM_clientedictvector(touch, maxs), touchmaxs);
 400                 if ((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)
 401                         Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipstart, hitsupercontentsmask, 0.0f);
 402                 else
 403                         Collision_ClipPointToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, hitsupercontentsmask);
 404
 405                 if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 406                         *hitnetworkentity = 0;
 407                 Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
 408         }
 409
 410 finished:
 411         return cliptrace;
 412 }
 413
 414 /*
 415 ==================
 416 CL_TraceLine
 417 ==================
 418 */
 419 trace_t CL_TraceLine(const vec3_t start, const vec3_t end, int type, prvm_edict_t *passedict, int hitsupercontentsmask, float extend, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities, qboolean hitsurfaces)
 420 {
 421         prvm_prog_t *prog = CLVM_prog;
 422         int i, bodysupercontents;
 423         int passedictprog;
 424         prvm_edict_t *traceowner, *touch;
 425         trace_t trace;
 426         // temporary storage because prvm_vec_t may need conversion
 427         vec3_t touchmins, touchmaxs;
 428         // bounding box of entire move area
 429         vec3_t clipboxmins, clipboxmaxs;
 430         // size when clipping against monsters
 431         vec3_t clipmins2, clipmaxs2;
 432         // start and end origin of move
 433         vec3_t clipstart, clipend;
 434         // trace results
 435         trace_t cliptrace;
 436         // matrices to transform into/out of other entity's space
 437         matrix4x4_t matrix, imatrix;
 438         // model of other entity
 439         dp_model_t *model;
 440         // list of entities to test for collisions
 441         int numtouchedicts;
 442         static prvm_edict_t *touchedicts[MAX_EDICTS];
 443         if (VectorCompare(start, end))
 444                 return CL_TracePoint(start, type, passedict, hitsupercontentsmask, hitnetworkbrushmodels, hitnetworkplayers, hitnetworkentity, hitcsqcentities);
 445
 446         if (hitnetworkentity)
 447                 *hitnetworkentity = 0;
 448
 449         VectorCopy(start, clipstart);
 450         VectorCopy(end, clipend);
 451         VectorClear(clipmins2);
 452         VectorClear(clipmaxs2);
 453 #if COLLISIONPARANOID >= 3
 454         Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
 455 #endif
 456
 457         // clip to world
 458         Collision_ClipLineToWorld(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask, extend, hitsurfaces);
 459         cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
 460         if (cliptrace.startsolid || cliptrace.fraction < 1)
 461                 cliptrace.ent = prog ? prog->edicts : NULL;
 462         if (type == MOVE_WORLDONLY)
 463                 goto finished;
 464
 465         if (type == MOVE_MISSILE)
 466         {
 467                 // LordHavoc: modified this, was = -15, now -= 15
 468                 for (i = 0;i < 3;i++)
 469                 {
 470                         clipmins2[i] -= 15;
 471                         clipmaxs2[i] += 15;
 472                 }
 473         }
 474
 475         // create the bounding box of the entire move
 476         for (i = 0;i < 3;i++)
 477         {
 478                 clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + clipmins2[i] - 1;
 479                 clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + clipmaxs2[i] + 1;
 480         }
 481
 482         // debug override to test against everything
 483         if (sv_debugmove.integer)
 484         {
 485                 clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
 486                 clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] =  999999999;
 487         }
 488
 489         // if the passedict is world, make it NULL (to avoid two checks each time)
 490         // this checks prog because this function is often called without a CSQC
 491         // VM context
 492         if (prog == NULL || passedict == prog->edicts)
 493                 passedict = NULL;
 494         // precalculate prog value for passedict for comparisons
 495         passedictprog = prog != NULL ? PRVM_EDICT_TO_PROG(passedict) : 0;
 496         // precalculate passedict's owner edict pointer for comparisons
 497         traceowner = passedict ? PRVM_PROG_TO_EDICT(PRVM_clientedictedict(passedict, owner)) : NULL;
 498
 499         // collide against network entities
 500         if (hitnetworkbrushmodels)
 501         {
 502                 for (i = 0;i < cl.num_brushmodel_entities;i++)
 503                 {
 504                         entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
 505                         if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
 506                                 continue;
 507                         Collision_ClipLineToGenericEntity(&trace, ent->model, ent->frameblend, ent->skeleton, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, end, hitsupercontentsmask, extend, hitsurfaces);
 508                         if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 509                                 *hitnetworkentity = cl.brushmodel_entities[i];
 510                         Collision_CombineTraces(&cliptrace, &trace, NULL, true);
 511                 }
 512         }
 513
 514         // collide against player entities
 515         if (hitnetworkplayers)
 516         {
 517                 vec3_t origin, entmins, entmaxs;
 518                 matrix4x4_t entmatrix, entinversematrix;
 519
 520                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
 521                 {
 522                         // don't hit network players, if we are a nonsolid player
 523                         if(cl.scores[cl.playerentity-1].frags == -666 || cl.scores[cl.playerentity-1].frags == -616)
 524                                 goto skipnetworkplayers;
 525                 }
 526
 527                 for (i = 1;i <= cl.maxclients;i++)
 528                 {
 529                         entity_render_t *ent = &cl.entities[i].render;
 530
 531                         // don't hit ourselves
 532                         if (i == cl.playerentity)
 533                                 continue;
 534
 535                         // don't hit players that don't exist
 536                         if (!cl.scores[i-1].name[0])
 537                                 continue;
 538
 539                         if(IS_OLDNEXUIZ_DERIVED(gamemode))
 540                         {
 541                                 // don't hit spectators or nonsolid players
 542                                 if(cl.scores[i-1].frags == -666 || cl.scores[i-1].frags == -616)
 543                                         continue;
 544                         }
 545
 546                         Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
 547                         VectorAdd(origin, cl.playerstandmins, entmins);
 548                         VectorAdd(origin, cl.playerstandmaxs, entmaxs);
 549                         if (!BoxesOverlap(clipboxmins, clipboxmaxs, entmins, entmaxs))
 550                                 continue;
 551                         Matrix4x4_CreateTranslate(&entmatrix, origin[0], origin[1], origin[2]);
 552                         Matrix4x4_CreateTranslate(&entinversematrix, -origin[0], -origin[1], -origin[2]);
 553                         Collision_ClipLineToGenericEntity(&trace, NULL, NULL, NULL, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, end, hitsupercontentsmask, extend, hitsurfaces);
 554                         if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 555                                 *hitnetworkentity = i;
 556                         Collision_CombineTraces(&cliptrace, &trace, NULL, false);
 557                 }
 558
 559 skipnetworkplayers:
 560                 ;
 561         }
 562
 563         // clip to entities
 564         // because this uses World_EntitiestoBox, we know all entity boxes overlap
 565         // the clip region, so we can skip culling checks in the loop below
 566         // note: if prog is NULL then there won't be any linked entities
 567         numtouchedicts = 0;
 568         if (hitcsqcentities && prog != NULL)
 569         {
 570                 numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
 571                 if (numtouchedicts > MAX_EDICTS)
 572                 {
 573                         // this never happens
 574                         Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
 575                         numtouchedicts = MAX_EDICTS;
 576                 }
 577         }
 578         for (i = 0;i < numtouchedicts;i++)
 579         {
 580                 touch = touchedicts[i];
 581
 582                 if (PRVM_clientedictfloat(touch, solid) < SOLID_BBOX)
 583                         continue;
 584                 if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
 585                         continue;
 586
 587                 if (passedict)
 588                 {
 589                         // don't clip against self
 590                         if (passedict == touch)
 591                                 continue;
 592                         // don't clip owned entities against owner
 593                         if (traceowner == touch)
 594                                 continue;
 595                         // don't clip owner against owned entities
 596                         if (passedictprog == PRVM_clientedictedict(touch, owner))
 597                                 continue;
 598                         // don't clip points against points (they can't collide)
 599                         if (VectorCompare(PRVM_clientedictvector(touch, mins), PRVM_clientedictvector(touch, maxs)) && (type != MOVE_MISSILE || !((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)))
 600                                 continue;
 601                 }
 602
 603                 bodysupercontents = PRVM_clientedictfloat(touch, solid) == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
 604
 605                 // might interact, so do an exact clip
 606                 model = NULL;
 607                 if ((int) PRVM_clientedictfloat(touch, solid) == SOLID_BSP || type == MOVE_HITMODEL)
 608                         model = CL_GetModelFromEdict(touch);
 609                 if (model)
 610                         Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2], PRVM_clientedictvector(touch, angles)[0], PRVM_clientedictvector(touch, angles)[1], PRVM_clientedictvector(touch, angles)[2], 1);
 611                 else
 612                         Matrix4x4_CreateTranslate(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2]);
 613                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 614                 VectorCopy(PRVM_clientedictvector(touch, mins), touchmins);
 615                 VectorCopy(PRVM_clientedictvector(touch, maxs), touchmaxs);
 616                 if (type == MOVE_MISSILE && (int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)
 617                         Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask, extend);
 618                 else
 619                         Collision_ClipLineToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipend, hitsupercontentsmask, extend, hitsurfaces);
 620
 621                 if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 622                         *hitnetworkentity = 0;
 623                 Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
 624         }
 625
 626 finished:
 627         return cliptrace;
 628 }
 629
 630 /*
 631 ==================
 632 CL_Move
 633 ==================
 634 */
 635 trace_t CL_TraceBox(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict, int hitsupercontentsmask, float extend, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities)
 636 {
 637         prvm_prog_t *prog = CLVM_prog;
 638         vec3_t hullmins, hullmaxs;
 639         int i, bodysupercontents;
 640         int passedictprog;
 641         qboolean pointtrace;
 642         prvm_edict_t *traceowner, *touch;
 643         trace_t trace;
 644         // temporary storage because prvm_vec_t may need conversion
 645         vec3_t touchmins, touchmaxs;
 646         // bounding box of entire move area
 647         vec3_t clipboxmins, clipboxmaxs;
 648         // size of the moving object
 649         vec3_t clipmins, clipmaxs;
 650         // size when clipping against monsters
 651         vec3_t clipmins2, clipmaxs2;
 652         // start and end origin of move
 653         vec3_t clipstart, clipend;
 654         // trace results
 655         trace_t cliptrace;
 656         // matrices to transform into/out of other entity's space
 657         matrix4x4_t matrix, imatrix;
 658         // model of other entity
 659         dp_model_t *model;
 660         // list of entities to test for collisions
 661         int numtouchedicts;
 662         static prvm_edict_t *touchedicts[MAX_EDICTS];
 663         if (VectorCompare(mins, maxs))
 664         {
 665                 vec3_t shiftstart, shiftend;
 666                 VectorAdd(start, mins, shiftstart);
 667                 VectorAdd(end, mins, shiftend);
 668                 if (VectorCompare(start, end))
 669                         trace = CL_TracePoint(shiftstart, type, passedict, hitsupercontentsmask, hitnetworkbrushmodels, hitnetworkplayers, hitnetworkentity, hitcsqcentities);
 670                 else
 671                         trace = CL_TraceLine(shiftstart, shiftend, type, passedict, hitsupercontentsmask, extend, hitnetworkbrushmodels, hitnetworkplayers, hitnetworkentity, hitcsqcentities, false);
 672                 VectorSubtract(trace.endpos, mins, trace.endpos);
 673                 return trace;
 674         }
 675
 676         if (hitnetworkentity)
 677                 *hitnetworkentity = 0;
 678
 679         VectorCopy(start, clipstart);
 680         VectorCopy(end, clipend);
 681         VectorCopy(mins, clipmins);
 682         VectorCopy(maxs, clipmaxs);
 683         VectorCopy(mins, clipmins2);
 684         VectorCopy(maxs, clipmaxs2);
 685 #if COLLISIONPARANOID >= 3
 686         Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
 687 #endif
 688
 689         // clip to world
 690         Collision_ClipToWorld(&cliptrace, cl.worldmodel, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask, extend);
 691         cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
 692         if (cliptrace.startsolid || cliptrace.fraction < 1)
 693                 cliptrace.ent = prog ? prog->edicts : NULL;
 694         if (type == MOVE_WORLDONLY)
 695                 goto finished;
 696
 697         if (type == MOVE_MISSILE)
 698         {
 699                 // LordHavoc: modified this, was = -15, now -= 15
 700                 for (i = 0;i < 3;i++)
 701                 {
 702                         clipmins2[i] -= 15;
 703                         clipmaxs2[i] += 15;
 704                 }
 705         }
 706
 707         // get adjusted box for bmodel collisions if the world is q1bsp or hlbsp
 708         if (cl.worldmodel && cl.worldmodel->brush.RoundUpToHullSize)
 709                 cl.worldmodel->brush.RoundUpToHullSize(cl.worldmodel, clipmins, clipmaxs, hullmins, hullmaxs);
 710         else
 711         {
 712                 VectorCopy(clipmins, hullmins);
 713                 VectorCopy(clipmaxs, hullmaxs);
 714         }
 715
 716         // create the bounding box of the entire move
 717         for (i = 0;i < 3;i++)
 718         {
 719                 clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + min(hullmins[i], clipmins2[i]) - 1;
 720                 clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + max(hullmaxs[i], clipmaxs2[i]) + 1;
 721         }
 722
 723         // debug override to test against everything
 724         if (sv_debugmove.integer)
 725         {
 726                 clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
 727                 clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] =  999999999;
 728         }
 729
 730         // if the passedict is world, make it NULL (to avoid two checks each time)
 731         // this checks prog because this function is often called without a CSQC
 732         // VM context
 733         if (prog == NULL || passedict == prog->edicts)
 734                 passedict = NULL;
 735         // precalculate prog value for passedict for comparisons
 736         passedictprog = prog != NULL ? PRVM_EDICT_TO_PROG(passedict) : 0;
 737         // figure out whether this is a point trace for comparisons
 738         pointtrace = VectorCompare(clipmins, clipmaxs);
 739         // precalculate passedict's owner edict pointer for comparisons
 740         traceowner = passedict ? PRVM_PROG_TO_EDICT(PRVM_clientedictedict(passedict, owner)) : NULL;
 741
 742         // collide against network entities
 743         if (hitnetworkbrushmodels)
 744         {
 745                 for (i = 0;i < cl.num_brushmodel_entities;i++)
 746                 {
 747                         entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
 748                         if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
 749                                 continue;
 750                         Collision_ClipToGenericEntity(&trace, ent->model, ent->frameblend, ent->skeleton, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, mins, maxs, end, hitsupercontentsmask, extend);
 751                         if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 752                                 *hitnetworkentity = cl.brushmodel_entities[i];
 753                         Collision_CombineTraces(&cliptrace, &trace, NULL, true);
 754                 }
 755         }
 756
 757         // collide against player entities
 758         if (hitnetworkplayers)
 759         {
 760                 vec3_t origin, entmins, entmaxs;
 761                 matrix4x4_t entmatrix, entinversematrix;
 762
 763                 if(IS_OLDNEXUIZ_DERIVED(gamemode))
 764                 {
 765                         // don't hit network players, if we are a nonsolid player
 766                         if(cl.scores[cl.playerentity-1].frags == -666 || cl.scores[cl.playerentity-1].frags == -616)
 767                                 goto skipnetworkplayers;
 768                 }
 769
 770                 for (i = 1;i <= cl.maxclients;i++)
 771                 {
 772                         entity_render_t *ent = &cl.entities[i].render;
 773
 774                         // don't hit ourselves
 775                         if (i == cl.playerentity)
 776                                 continue;
 777
 778                         // don't hit players that don't exist
 779                         if (!cl.scores[i-1].name[0])
 780                                 continue;
 781
 782                         if(IS_OLDNEXUIZ_DERIVED(gamemode))
 783                         {
 784                                 // don't hit spectators or nonsolid players
 785                                 if(cl.scores[i-1].frags == -666 || cl.scores[i-1].frags == -616)
 786                                         continue;
 787                         }
 788
 789                         Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
 790                         VectorAdd(origin, cl.playerstandmins, entmins);
 791                         VectorAdd(origin, cl.playerstandmaxs, entmaxs);
 792                         if (!BoxesOverlap(clipboxmins, clipboxmaxs, entmins, entmaxs))
 793                                 continue;
 794                         Matrix4x4_CreateTranslate(&entmatrix, origin[0], origin[1], origin[2]);
 795                         Matrix4x4_CreateTranslate(&entinversematrix, -origin[0], -origin[1], -origin[2]);
 796                         Collision_ClipToGenericEntity(&trace, NULL, NULL, NULL, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, mins, maxs, end, hitsupercontentsmask, extend);
 797                         if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 798                                 *hitnetworkentity = i;
 799                         Collision_CombineTraces(&cliptrace, &trace, NULL, false);
 800                 }
 801
 802 skipnetworkplayers:
 803                 ;
 804         }
 805
 806         // clip to entities
 807         // because this uses World_EntitiestoBox, we know all entity boxes overlap
 808         // the clip region, so we can skip culling checks in the loop below
 809         // note: if prog is NULL then there won't be any linked entities
 810         numtouchedicts = 0;
 811         if (hitcsqcentities && prog != NULL)
 812         {
 813                 numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
 814                 if (numtouchedicts > MAX_EDICTS)
 815                 {
 816                         // this never happens
 817                         Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
 818                         numtouchedicts = MAX_EDICTS;
 819                 }
 820         }
 821         for (i = 0;i < numtouchedicts;i++)
 822         {
 823                 touch = touchedicts[i];
 824
 825                 if (PRVM_clientedictfloat(touch, solid) < SOLID_BBOX)
 826                         continue;
 827                 if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
 828                         continue;
 829
 830                 if (passedict)
 831                 {
 832                         // don't clip against self
 833                         if (passedict == touch)
 834                                 continue;
 835                         // don't clip owned entities against owner
 836                         if (traceowner == touch)
 837                                 continue;
 838                         // don't clip owner against owned entities
 839                         if (passedictprog == PRVM_clientedictedict(touch, owner))
 840                                 continue;
 841                         // don't clip points against points (they can't collide)
 842                         if (pointtrace && VectorCompare(PRVM_clientedictvector(touch, mins), PRVM_clientedictvector(touch, maxs)) && (type != MOVE_MISSILE || !((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)))
 843                                 continue;
 844                 }
 845
 846                 bodysupercontents = PRVM_clientedictfloat(touch, solid) == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
 847
 848                 // might interact, so do an exact clip
 849                 model = NULL;
 850                 if ((int) PRVM_clientedictfloat(touch, solid) == SOLID_BSP || type == MOVE_HITMODEL)
 851                         model = CL_GetModelFromEdict(touch);
 852                 if (model)
 853                         Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2], PRVM_clientedictvector(touch, angles)[0], PRVM_clientedictvector(touch, angles)[1], PRVM_clientedictvector(touch, angles)[2], 1);
 854                 else
 855                         Matrix4x4_CreateTranslate(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2]);
 856                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 857                 VectorCopy(PRVM_clientedictvector(touch, mins), touchmins);
 858                 VectorCopy(PRVM_clientedictvector(touch, maxs), touchmaxs);
 859                 if ((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)
 860                         Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask, extend);
 861                 else
 862                         Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask, extend);
 863
 864                 if (cliptrace.fraction > trace.fraction && hitnetworkentity)
 865                         *hitnetworkentity = 0;
 866                 Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
 867         }
 868
 869 finished:
 870         return cliptrace;
 871 }
 872
 873 /*
 874 ==================
 875 CL_Cache_TraceLine
 876 ==================
 877 */
 878 trace_t CL_Cache_TraceLineSurfaces(const vec3_t start, const vec3_t end, int type, int hitsupercontentsmask)
 879 {
 880         prvm_prog_t *prog = CLVM_prog;
 881         int i;
 882         prvm_edict_t *touch;
 883         trace_t trace;
 884         // bounding box of entire move area
 885         vec3_t clipboxmins, clipboxmaxs;
 886         // start and end origin of move
 887         vec3_t clipstart, clipend;
 888         // trace results
 889         trace_t cliptrace;
 890         // matrices to transform into/out of other entity's space
 891         matrix4x4_t matrix, imatrix;
 892         // model of other entity
 893         dp_model_t *model;
 894         // list of entities to test for collisions
 895         int numtouchedicts;
 896         static prvm_edict_t *touchedicts[MAX_EDICTS];
 897
 898         VectorCopy(start, clipstart);
 899         VectorCopy(end, clipend);
 900 #if COLLISIONPARANOID >= 3
 901         Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
 902 #endif
 903
 904         // clip to world
 905         Collision_Cache_ClipLineToWorldSurfaces(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask);
 906         cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
 907         if (cliptrace.startsolid || cliptrace.fraction < 1)
 908                 cliptrace.ent = prog ? prog->edicts : NULL;
 909         if (type == MOVE_WORLDONLY)
 910                 goto finished;
 911
 912         // create the bounding box of the entire move
 913         for (i = 0;i < 3;i++)
 914         {
 915                 clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) - 1;
 916                 clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + 1;
 917         }
 918
 919         // if the passedict is world, make it NULL (to avoid two checks each time)
 920         // this checks prog because this function is often called without a CSQC
 921         // VM context
 922
 923         // collide against network entities
 924         for (i = 0;i < cl.num_brushmodel_entities;i++)
 925         {
 926                 entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
 927                 if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
 928                         continue;
 929                 Collision_Cache_ClipLineToGenericEntitySurfaces(&trace, ent->model, &ent->matrix, &ent->inversematrix, start, end, hitsupercontentsmask);
 930                 Collision_CombineTraces(&cliptrace, &trace, NULL, true);
 931         }
 932
 933         // clip to entities
 934         // because this uses World_EntitiestoBox, we know all entity boxes overlap
 935         // the clip region, so we can skip culling checks in the loop below
 936         // note: if prog is NULL then there won't be any linked entities
 937         numtouchedicts = 0;
 938         if (prog != NULL)
 939         {
 940                 numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
 941                 if (numtouchedicts > MAX_EDICTS)
 942                 {
 943                         // this never happens
 944                         Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
 945                         numtouchedicts = MAX_EDICTS;
 946                 }
 947         }
 948         for (i = 0;i < numtouchedicts;i++)
 949         {
 950                 touch = touchedicts[i];
 951                 // might interact, so do an exact clip
 952                 // only hit entity models, not collision shapes
 953                 model = CL_GetModelFromEdict(touch);
 954                 if (!model)
 955                         continue;
 956                 // animated models are too slow to collide against and can't be cached
 957                 if (touch->priv.server->frameblend || touch->priv.server->skeleton.relativetransforms)
 958                         continue;
 959                 if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
 960                         continue;
 961                 Matrix4x4_CreateFromQuakeEntity(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2], PRVM_clientedictvector(touch, angles)[0], PRVM_clientedictvector(touch, angles)[1], PRVM_clientedictvector(touch, angles)[2], 1);
 962                 Matrix4x4_Invert_Simple(&imatrix, &matrix);
 963                 Collision_Cache_ClipLineToGenericEntitySurfaces(&trace, model, &matrix, &imatrix, clipstart, clipend, hitsupercontentsmask);
 964                 Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
 965         }
 966
 967 finished:
 968         return cliptrace;
 969 }
 970