Fix setinfo.
[xonotic/darkplaces.git] / cl_collision.c
index 10e8f4c..eb7a4dd 100644 (file)
@@ -4,27 +4,25 @@
 
 float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, vec3_t normal, int *hitent, entity_render_t *ignoreent)
 {
-       float maxfrac, maxrealfrac;
+       float maxfrac;
        int n;
        entity_render_t *ent;
-       float tracemins[3], tracemaxs[3];
+       vec_t tracemins[3], tracemaxs[3];
        trace_t trace;
-       float tempnormal[3], starttransformed[3], endtransformed[3];
+       vec_t tempnormal[3], starttransformed[3], endtransformed[3];
 
        memset (&trace, 0 , sizeof(trace_t));
        trace.fraction = 1;
-       trace.realfraction = 1;
        VectorCopy (end, trace.endpos);
 
        if (hitent)
                *hitent = 0;
-       if (cl.worldmodel && cl.worldmodel->TraceBox)
-               cl.worldmodel->TraceBox(cl.worldmodel, 0, &trace, start, vec3_origin, vec3_origin, end, SUPERCONTENTS_SOLID);
+       if (cl.worldmodel && cl.worldmodel->TraceLine)
+               cl.worldmodel->TraceLine(cl.worldmodel, NULL, NULL, &trace, start, end, SUPERCONTENTS_SOLID, 0, 0);
 
        if (normal)
                VectorCopy(trace.plane.normal, normal);
        maxfrac = trace.fraction;
-       maxrealfrac = trace.realfraction;
 
        tracemins[0] = min(start[0], end[0]);
        tracemaxs[0] = max(start[0], end[0]);
@@ -41,7 +39,7 @@ float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, ve
                ent = &cl.entities[n].render;
                if (!BoxesOverlap(ent->mins, ent->maxs, tracemins, tracemaxs))
                        continue;
-               if (!ent->model || !ent->model->TraceBox)
+               if (!ent->model || !ent->model->TraceLine)
                        continue;
                if ((ent->flags & RENDER_EXTERIORMODEL) && !chase_active.integer)
                        continue;
@@ -52,19 +50,17 @@ float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, ve
                        continue;
                Matrix4x4_Transform(&ent->inversematrix, start, starttransformed);
                Matrix4x4_Transform(&ent->inversematrix, end, endtransformed);
-               Collision_ClipTrace_Box(&trace, ent->model->normalmins, ent->model->normalmaxs, starttransformed, vec3_origin, vec3_origin, endtransformed, SUPERCONTENTS_SOLID, SUPERCONTENTS_SOLID, 0, NULL);
-               if (maxrealfrac < trace.realfraction)
+               Collision_ClipTrace_Box(&trace, ent->model->normalmins, ent->model->normalmaxs, starttransformed, vec3_origin, vec3_origin, endtransformed, SUPERCONTENTS_SOLID, 0, 0, SUPERCONTENTS_SOLID, 0, NULL);
+               if (maxfrac < trace.fraction)
                        continue;
 
-               //if (ent->model && ent->model->TraceBox)
-                       ent->model->TraceBox(ent->model, ent->frameblend[0].frame, &trace, starttransformed, vec3_origin, vec3_origin, endtransformed, SUPERCONTENTS_SOLID);
+               ent->model->TraceLine(ent->model, ent->frameblend, ent->skeleton, &trace, starttransformed, endtransformed, SUPERCONTENTS_SOLID, 0, 0);
 
-               if (maxrealfrac > trace.realfraction)
+               if (maxfrac > trace.fraction)
                {
                        if (hitent)
                                *hitent = n;
                        maxfrac = trace.fraction;
-                       maxrealfrac = trace.realfraction;
                        if (normal)
                        {
                                VectorCopy(trace.plane.normal, tempnormal);
@@ -73,7 +69,7 @@ float CL_SelectTraceLine(const vec3_t start, const vec3_t end, vec3_t impact, ve
                }
        }
        maxfrac = bound(0, maxfrac, 1);
-       maxrealfrac = bound(0, maxrealfrac, 1);
+       //maxrealfrac = bound(0, maxrealfrac, 1);
        //if (maxfrac < 0 || maxfrac > 1) Con_Printf("fraction out of bounds %f %s:%d\n", maxfrac, __FILE__, __LINE__);
        if (impact)
                VectorLerp(start, maxfrac, end, impact);
@@ -107,13 +103,15 @@ dp_model_t *CL_GetModelByIndex(int modelindex)
 
 dp_model_t *CL_GetModelFromEdict(prvm_edict_t *ed)
 {
+       prvm_prog_t *prog = CLVM_prog;
        if (!ed || ed->priv.server->free)
                return NULL;
-       return CL_GetModelByIndex((int)ed->fields.client->modelindex);
+       return CL_GetModelByIndex((int)PRVM_clientedictfloat(ed, modelindex));
 }
 
 void CL_LinkEdict(prvm_edict_t *ent)
 {
+       prvm_prog_t *prog = CLVM_prog;
        vec3_t mins, maxs;
 
        if (ent == prog->edicts)
@@ -124,9 +122,9 @@ void CL_LinkEdict(prvm_edict_t *ent)
 
        // set the abs box
 
-       if (ent->fields.client->solid == SOLID_BSP)
+       if (PRVM_clientedictfloat(ent, solid) == SOLID_BSP)
        {
-               dp_model_t *model = CL_GetModelByIndex( (int)ent->fields.client->modelindex );
+               dp_model_t *model = CL_GetModelByIndex( (int)PRVM_clientedictfloat(ent, modelindex) );
                if (model == NULL)
                {
                        Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
@@ -136,62 +134,62 @@ void CL_LinkEdict(prvm_edict_t *ent)
 
                if( model != NULL )
                {
-                       if (!model->TraceBox && developer.integer >= 1)
-                               Con_Printf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
+                       if (!model->TraceBox)
+                               Con_DPrintf("edict %i: SOLID_BSP with non-collidable model\n", PRVM_NUM_FOR_EDICT(ent));
 
-                       if (ent->fields.client->angles[0] || ent->fields.client->angles[2] || ent->fields.client->avelocity[0] || ent->fields.client->avelocity[2])
+                       if (PRVM_clientedictvector(ent, angles)[0] || PRVM_clientedictvector(ent, angles)[2] || PRVM_clientedictvector(ent, avelocity)[0] || PRVM_clientedictvector(ent, avelocity)[2])
                        {
-                               VectorAdd(ent->fields.client->origin, model->rotatedmins, mins);
-                               VectorAdd(ent->fields.client->origin, model->rotatedmaxs, maxs);
+                               VectorAdd(PRVM_clientedictvector(ent, origin), model->rotatedmins, mins);
+                               VectorAdd(PRVM_clientedictvector(ent, origin), model->rotatedmaxs, maxs);
                        }
-                       else if (ent->fields.client->angles[1] || ent->fields.client->avelocity[1])
+                       else if (PRVM_clientedictvector(ent, angles)[1] || PRVM_clientedictvector(ent, avelocity)[1])
                        {
-                               VectorAdd(ent->fields.client->origin, model->yawmins, mins);
-                               VectorAdd(ent->fields.client->origin, model->yawmaxs, maxs);
+                               VectorAdd(PRVM_clientedictvector(ent, origin), model->yawmins, mins);
+                               VectorAdd(PRVM_clientedictvector(ent, origin), model->yawmaxs, maxs);
                        }
                        else
                        {
-                               VectorAdd(ent->fields.client->origin, model->normalmins, mins);
-                               VectorAdd(ent->fields.client->origin, model->normalmaxs, maxs);
+                               VectorAdd(PRVM_clientedictvector(ent, origin), model->normalmins, mins);
+                               VectorAdd(PRVM_clientedictvector(ent, origin), model->normalmaxs, maxs);
                        }
                }
                else
                {
                        // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
-                       VectorAdd(ent->fields.client->origin, ent->fields.client->mins, mins);
-                       VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, maxs);
+                       VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
+                       VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
                }
        }
        else
        {
-               VectorAdd(ent->fields.client->origin, ent->fields.client->mins, mins);
-               VectorAdd(ent->fields.client->origin, ent->fields.client->maxs, maxs);
+               VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, mins), mins);
+               VectorAdd(PRVM_clientedictvector(ent, origin), PRVM_clientedictvector(ent, maxs), maxs);
        }
 
-       VectorCopy(mins, ent->fields.client->absmin);
-       VectorCopy(maxs, ent->fields.client->absmax);
+       VectorCopy(mins, PRVM_clientedictvector(ent, absmin));
+       VectorCopy(maxs, PRVM_clientedictvector(ent, absmax));
 
-       World_LinkEdict(&cl.world, ent, ent->fields.client->absmin, ent->fields.client->absmax);
+       World_LinkEdict(&cl.world, ent, mins, maxs);
 }
 
 int CL_GenericHitSuperContentsMask(const prvm_edict_t *passedict)
 {
-       prvm_eval_t *val;
+       prvm_prog_t *prog = CLVM_prog;
        if (passedict)
        {
-               val = PRVM_EDICTFIELDVALUE(passedict, prog->fieldoffsets.dphitcontentsmask);
-               if (val && val->_float)
-                       return (int)val->_float;
-               else if (passedict->fields.client->solid == SOLID_SLIDEBOX)
+               int dphitcontentsmask = (int)PRVM_clientedictfloat(passedict, dphitcontentsmask);
+               if (dphitcontentsmask)
+                       return dphitcontentsmask;
+               else if (PRVM_clientedictfloat(passedict, solid) == SOLID_SLIDEBOX)
                {
-                       if ((int)passedict->fields.client->flags & FL_MONSTER)
+                       if ((int)PRVM_clientedictfloat(passedict, flags) & FL_MONSTER)
                                return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_MONSTERCLIP;
                        else
                                return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_PLAYERCLIP;
                }
-               else if (passedict->fields.client->solid == SOLID_CORPSE)
+               else if (PRVM_clientedictfloat(passedict, solid) == SOLID_CORPSE)
                        return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
-               else if (passedict->fields.client->solid == SOLID_TRIGGER)
+               else if (PRVM_clientedictfloat(passedict, solid) == SOLID_TRIGGER)
                        return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY;
                else
                        return SUPERCONTENTS_SOLID | SUPERCONTENTS_BODY | SUPERCONTENTS_CORPSE;
@@ -205,14 +203,450 @@ int CL_GenericHitSuperContentsMask(const prvm_edict_t *passedict)
 CL_Move
 ==================
 */
-trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int type, prvm_edict_t *passedict, int hitsupercontentsmask, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities)
+trace_t CL_TracePoint(const vec3_t start, int type, prvm_edict_t *passedict, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities)
 {
+       prvm_prog_t *prog = CLVM_prog;
+       int i, bodysupercontents;
+       int passedictprog;
+       prvm_edict_t *traceowner, *touch;
+       trace_t trace;
+       // temporary storage because prvm_vec_t may need conversion
+       vec3_t touchmins, touchmaxs;
+       // bounding box of entire move area
+       vec3_t clipboxmins, clipboxmaxs;
+       // size when clipping against monsters
+       vec3_t clipmins2, clipmaxs2;
+       // start and end origin of move
+       vec3_t clipstart;
+       // trace results
+       trace_t cliptrace;
+       // matrices to transform into/out of other entity's space
+       matrix4x4_t matrix, imatrix;
+       // model of other entity
+       dp_model_t *model;
+       // list of entities to test for collisions
+       int numtouchedicts;
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
+
+       if (hitnetworkentity)
+               *hitnetworkentity = 0;
+
+       VectorCopy(start, clipstart);
+       VectorClear(clipmins2);
+       VectorClear(clipmaxs2);
+#if COLLISIONPARANOID >= 3
+       Con_Printf("move(%f %f %f)", clipstart[0], clipstart[1], clipstart[2]);
+#endif
+
+       // clip to world
+       Collision_ClipPointToWorld(&cliptrace, cl.worldmodel, clipstart, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
+       cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
+       if (cliptrace.startsolid || cliptrace.fraction < 1)
+               cliptrace.ent = prog ? prog->edicts : NULL;
+       if (type == MOVE_WORLDONLY)
+               goto finished;
+
+       if (type == MOVE_MISSILE)
+       {
+               // LordHavoc: modified this, was = -15, now -= 15
+               for (i = 0;i < 3;i++)
+               {
+                       clipmins2[i] -= 15;
+                       clipmaxs2[i] += 15;
+               }
+       }
+
+       // create the bounding box of the entire move
+       for (i = 0;i < 3;i++)
+       {
+               clipboxmins[i] = clipstart[i] - 1;
+               clipboxmaxs[i] = clipstart[i] + 1;
+       }
+
+       // debug override to test against everything
+       if (sv_debugmove.integer)
+       {
+               clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
+               clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] =  999999999;
+       }
+
+       // if the passedict is world, make it NULL (to avoid two checks each time)
+       // this checks prog because this function is often called without a CSQC
+       // VM context
+       if (prog == NULL || passedict == prog->edicts)
+               passedict = NULL;
+       // precalculate prog value for passedict for comparisons
+       passedictprog = prog != NULL ? PRVM_EDICT_TO_PROG(passedict) : 0;
+       // precalculate passedict's owner edict pointer for comparisons
+       traceowner = passedict ? PRVM_PROG_TO_EDICT(PRVM_clientedictedict(passedict, owner)) : NULL;
+
+       // collide against network entities
+       if (hitnetworkbrushmodels)
+       {
+               for (i = 0;i < cl.num_brushmodel_entities;i++)
+               {
+                       entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
+                       if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
+                               continue;
+                       Collision_ClipPointToGenericEntity(&trace, ent->model, ent->frameblend, ent->skeleton, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
+                       if (cliptrace.fraction > trace.fraction && hitnetworkentity)
+                               *hitnetworkentity = cl.brushmodel_entities[i];
+                       Collision_CombineTraces(&cliptrace, &trace, NULL, true);
+               }
+       }
+
+       // collide against player entities
+       if (hitnetworkplayers)
+       {
+               vec3_t origin, entmins, entmaxs;
+               matrix4x4_t entmatrix, entinversematrix;
+
+               if(IS_OLDNEXUIZ_DERIVED(gamemode))
+               {
+                       // don't hit network players, if we are a nonsolid player
+                       if(cl.scores[cl.playerentity-1].frags == -666 || cl.scores[cl.playerentity-1].frags == -616)
+                               goto skipnetworkplayers;
+               }
+
+               for (i = 1;i <= cl.maxclients;i++)
+               {
+                       entity_render_t *ent = &cl.entities[i].render;
+
+                       // don't hit ourselves
+                       if (i == cl.playerentity)
+                               continue;
+
+                       // don't hit players that don't exist
+                       if (!cl.entities_active[i])
+                               continue;
+                       if (!cl.scores[i-1].name[0])
+                               continue;
+
+                       if(IS_OLDNEXUIZ_DERIVED(gamemode))
+                       {
+                               // don't hit spectators or nonsolid players
+                               if(cl.scores[i-1].frags == -666 || cl.scores[i-1].frags == -616)
+                                       continue;
+                       }
+
+                       Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
+                       VectorAdd(origin, cl.playerstandmins, entmins);
+                       VectorAdd(origin, cl.playerstandmaxs, entmaxs);
+                       if (!BoxesOverlap(clipboxmins, clipboxmaxs, entmins, entmaxs))
+                               continue;
+                       Matrix4x4_CreateTranslate(&entmatrix, origin[0], origin[1], origin[2]);
+                       Matrix4x4_CreateTranslate(&entinversematrix, -origin[0], -origin[1], -origin[2]);
+                       Collision_ClipPointToGenericEntity(&trace, NULL, NULL, NULL, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
+                       if (cliptrace.fraction > trace.fraction && hitnetworkentity)
+                               *hitnetworkentity = i;
+                       Collision_CombineTraces(&cliptrace, &trace, NULL, false);
+               }
+
+skipnetworkplayers:
+               ;
+       }
+
+       // clip to entities
+       // because this uses World_EntitiestoBox, we know all entity boxes overlap
+       // the clip region, so we can skip culling checks in the loop below
+       // note: if prog is NULL then there won't be any linked entities
+       numtouchedicts = 0;
+       if (hitcsqcentities && prog != NULL)
+       {
+               numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
+               if (numtouchedicts > MAX_EDICTS)
+               {
+                       // this never happens
+                       Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+                       numtouchedicts = MAX_EDICTS;
+               }
+       }
+       for (i = 0;i < numtouchedicts;i++)
+       {
+               touch = touchedicts[i];
+
+               if (PRVM_clientedictfloat(touch, solid) < SOLID_BBOX)
+                       continue;
+               if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
+                       continue;
+
+               if (passedict)
+               {
+                       // don't clip against self
+                       if (passedict == touch)
+                               continue;
+                       // don't clip owned entities against owner
+                       if (traceowner == touch)
+                               continue;
+                       // don't clip owner against owned entities
+                       if (passedictprog == PRVM_clientedictedict(touch, owner))
+                               continue;
+                       // don't clip points against points (they can't collide)
+                       if (VectorCompare(PRVM_clientedictvector(touch, mins), PRVM_clientedictvector(touch, maxs)) && (type != MOVE_MISSILE || !((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)))
+                               continue;
+               }
+
+               bodysupercontents = PRVM_clientedictfloat(touch, solid) == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
+
+               // might interact, so do an exact clip
+               model = NULL;
+               if ((int) PRVM_clientedictfloat(touch, solid) == SOLID_BSP || type == MOVE_HITMODEL)
+                       model = CL_GetModelFromEdict(touch);
+               if (model)
+                       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);
+               else
+                       Matrix4x4_CreateTranslate(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2]);
+               Matrix4x4_Invert_Simple(&imatrix, &matrix);
+               VectorCopy(PRVM_clientedictvector(touch, mins), touchmins);
+               VectorCopy(PRVM_clientedictvector(touch, maxs), touchmaxs);
+               if ((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)
+                       Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipstart, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, 0.0f);
+               else
+                       Collision_ClipPointToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
+
+               if (cliptrace.fraction > trace.fraction && hitnetworkentity)
+                       *hitnetworkentity = 0;
+               Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
+       }
+
+finished:
+       return cliptrace;
+}
+
+/*
+==================
+CL_TraceLine
+==================
+*/
+trace_t CL_TraceLine(const vec3_t start, const vec3_t end, int type, prvm_edict_t *passedict, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask, float extend, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities, qboolean hitsurfaces)
+{
+       prvm_prog_t *prog = CLVM_prog;
+       int i, bodysupercontents;
+       int passedictprog;
+       prvm_edict_t *traceowner, *touch;
+       trace_t trace;
+       // temporary storage because prvm_vec_t may need conversion
+       vec3_t touchmins, touchmaxs;
+       // bounding box of entire move area
+       vec3_t clipboxmins, clipboxmaxs;
+       // size when clipping against monsters
+       vec3_t clipmins2, clipmaxs2;
+       // start and end origin of move
+       vec3_t clipstart, clipend;
+       // trace results
+       trace_t cliptrace;
+       // matrices to transform into/out of other entity's space
+       matrix4x4_t matrix, imatrix;
+       // model of other entity
+       dp_model_t *model;
+       // list of entities to test for collisions
+       int numtouchedicts;
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
+       if (VectorCompare(start, end))
+               return CL_TracePoint(start, type, passedict, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, hitnetworkbrushmodels, hitnetworkplayers, hitnetworkentity, hitcsqcentities);
+
+       if (hitnetworkentity)
+               *hitnetworkentity = 0;
+
+       VectorCopy(start, clipstart);
+       VectorCopy(end, clipend);
+       VectorClear(clipmins2);
+       VectorClear(clipmaxs2);
+#if COLLISIONPARANOID >= 3
+       Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
+#endif
+
+       // clip to world
+       Collision_ClipLineToWorld(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend, hitsurfaces);
+       cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
+       if (cliptrace.startsolid || cliptrace.fraction < 1)
+               cliptrace.ent = prog ? prog->edicts : NULL;
+       if (type == MOVE_WORLDONLY)
+               goto finished;
+
+       if (type == MOVE_MISSILE)
+       {
+               // LordHavoc: modified this, was = -15, now -= 15
+               for (i = 0;i < 3;i++)
+               {
+                       clipmins2[i] -= 15;
+                       clipmaxs2[i] += 15;
+               }
+       }
+
+       // create the bounding box of the entire move
+       for (i = 0;i < 3;i++)
+       {
+               clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + clipmins2[i] - 1;
+               clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + clipmaxs2[i] + 1;
+       }
+
+       // debug override to test against everything
+       if (sv_debugmove.integer)
+       {
+               clipboxmins[0] = clipboxmins[1] = clipboxmins[2] = -999999999;
+               clipboxmaxs[0] = clipboxmaxs[1] = clipboxmaxs[2] =  999999999;
+       }
+
+       // if the passedict is world, make it NULL (to avoid two checks each time)
+       // this checks prog because this function is often called without a CSQC
+       // VM context
+       if (prog == NULL || passedict == prog->edicts)
+               passedict = NULL;
+       // precalculate prog value for passedict for comparisons
+       passedictprog = prog != NULL ? PRVM_EDICT_TO_PROG(passedict) : 0;
+       // precalculate passedict's owner edict pointer for comparisons
+       traceowner = passedict ? PRVM_PROG_TO_EDICT(PRVM_clientedictedict(passedict, owner)) : NULL;
+
+       // collide against network entities
+       if (hitnetworkbrushmodels)
+       {
+               for (i = 0;i < cl.num_brushmodel_entities;i++)
+               {
+                       entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
+                       if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
+                               continue;
+                       Collision_ClipLineToGenericEntity(&trace, ent->model, ent->frameblend, ent->skeleton, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend, hitsurfaces);
+                       if (cliptrace.fraction > trace.fraction && hitnetworkentity)
+                               *hitnetworkentity = cl.brushmodel_entities[i];
+                       Collision_CombineTraces(&cliptrace, &trace, NULL, true);
+               }
+       }
+
+       // collide against player entities
+       if (hitnetworkplayers)
+       {
+               vec3_t origin, entmins, entmaxs;
+               matrix4x4_t entmatrix, entinversematrix;
+
+               if(IS_OLDNEXUIZ_DERIVED(gamemode))
+               {
+                       // don't hit network players, if we are a nonsolid player
+                       if(cl.scores[cl.playerentity-1].frags == -666 || cl.scores[cl.playerentity-1].frags == -616)
+                               goto skipnetworkplayers;
+               }
+
+               for (i = 1;i <= cl.maxclients;i++)
+               {
+                       entity_render_t *ent = &cl.entities[i].render;
+
+                       // don't hit ourselves
+                       if (i == cl.playerentity)
+                               continue;
+
+                       // don't hit players that don't exist
+                       if (!cl.entities_active[i])
+                               continue;
+                       if (!cl.scores[i-1].name[0])
+                               continue;
+
+                       if(IS_OLDNEXUIZ_DERIVED(gamemode))
+                       {
+                               // don't hit spectators or nonsolid players
+                               if(cl.scores[i-1].frags == -666 || cl.scores[i-1].frags == -616)
+                                       continue;
+                       }
+
+                       Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
+                       VectorAdd(origin, cl.playerstandmins, entmins);
+                       VectorAdd(origin, cl.playerstandmaxs, entmaxs);
+                       if (!BoxesOverlap(clipboxmins, clipboxmaxs, entmins, entmaxs))
+                               continue;
+                       Matrix4x4_CreateTranslate(&entmatrix, origin[0], origin[1], origin[2]);
+                       Matrix4x4_CreateTranslate(&entinversematrix, -origin[0], -origin[1], -origin[2]);
+                       Collision_ClipLineToGenericEntity(&trace, NULL, NULL, NULL, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend, hitsurfaces);
+                       if (cliptrace.fraction > trace.fraction && hitnetworkentity)
+                               *hitnetworkentity = i;
+                       Collision_CombineTraces(&cliptrace, &trace, NULL, false);
+               }
+
+skipnetworkplayers:
+               ;
+       }
+
+       // clip to entities
+       // because this uses World_EntitiestoBox, we know all entity boxes overlap
+       // the clip region, so we can skip culling checks in the loop below
+       // note: if prog is NULL then there won't be any linked entities
+       numtouchedicts = 0;
+       if (hitcsqcentities && prog != NULL)
+       {
+               numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
+               if (numtouchedicts > MAX_EDICTS)
+               {
+                       // this never happens
+                       Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+                       numtouchedicts = MAX_EDICTS;
+               }
+       }
+       for (i = 0;i < numtouchedicts;i++)
+       {
+               touch = touchedicts[i];
+
+               if (PRVM_clientedictfloat(touch, solid) < SOLID_BBOX)
+                       continue;
+               if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
+                       continue;
+
+               if (passedict)
+               {
+                       // don't clip against self
+                       if (passedict == touch)
+                               continue;
+                       // don't clip owned entities against owner
+                       if (traceowner == touch)
+                               continue;
+                       // don't clip owner against owned entities
+                       if (passedictprog == PRVM_clientedictedict(touch, owner))
+                               continue;
+                       // don't clip points against points (they can't collide)
+                       if (VectorCompare(PRVM_clientedictvector(touch, mins), PRVM_clientedictvector(touch, maxs)) && (type != MOVE_MISSILE || !((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)))
+                               continue;
+               }
+
+               bodysupercontents = PRVM_clientedictfloat(touch, solid) == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
+
+               // might interact, so do an exact clip
+               model = NULL;
+               if ((int) PRVM_clientedictfloat(touch, solid) == SOLID_BSP || type == MOVE_HITMODEL)
+                       model = CL_GetModelFromEdict(touch);
+               if (model)
+                       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);
+               else
+                       Matrix4x4_CreateTranslate(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2]);
+               Matrix4x4_Invert_Simple(&imatrix, &matrix);
+               VectorCopy(PRVM_clientedictvector(touch, mins), touchmins);
+               VectorCopy(PRVM_clientedictvector(touch, maxs), touchmaxs);
+               if (type == MOVE_MISSILE && (int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)
+                       Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend);
+               else
+                       Collision_ClipLineToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend, hitsurfaces);
+
+               if (cliptrace.fraction > trace.fraction && hitnetworkentity)
+                       *hitnetworkentity = 0;
+               Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
+       }
+
+finished:
+       return cliptrace;
+}
+
+/*
+==================
+CL_Move
+==================
+*/
+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, int skipsupercontentsmask, int skipmaterialflagsmask, float extend, qboolean hitnetworkbrushmodels, qboolean hitnetworkplayers, int *hitnetworkentity, qboolean hitcsqcentities)
+{
+       prvm_prog_t *prog = CLVM_prog;
        vec3_t hullmins, hullmaxs;
        int i, bodysupercontents;
        int passedictprog;
        qboolean pointtrace;
        prvm_edict_t *traceowner, *touch;
        trace_t trace;
+       // temporary storage because prvm_vec_t may need conversion
+       vec3_t touchmins, touchmaxs;
        // bounding box of entire move area
        vec3_t clipboxmins, clipboxmaxs;
        // size of the moving object
@@ -229,7 +663,19 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
        dp_model_t *model;
        // list of entities to test for collisions
        int numtouchedicts;
-       prvm_edict_t *touchedicts[MAX_EDICTS];
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
+       if (VectorCompare(mins, maxs))
+       {
+               vec3_t shiftstart, shiftend;
+               VectorAdd(start, mins, shiftstart);
+               VectorAdd(end, mins, shiftend);
+               if (VectorCompare(start, end))
+                       trace = CL_TracePoint(shiftstart, type, passedict, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, hitnetworkbrushmodels, hitnetworkplayers, hitnetworkentity, hitcsqcentities);
+               else
+                       trace = CL_TraceLine(shiftstart, shiftend, type, passedict, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend, hitnetworkbrushmodels, hitnetworkplayers, hitnetworkentity, hitcsqcentities, false);
+               VectorSubtract(trace.endpos, mins, trace.endpos);
+               return trace;
+       }
 
        if (hitnetworkentity)
                *hitnetworkentity = 0;
@@ -245,12 +691,12 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
 #endif
 
        // clip to world
-       Collision_ClipToWorld(&cliptrace, cl.worldmodel, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask);
-       cliptrace.bmodelstartsolid = cliptrace.startsolid;
+       Collision_ClipToWorld(&cliptrace, cl.worldmodel, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend);
+       cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
        if (cliptrace.startsolid || cliptrace.fraction < 1)
                cliptrace.ent = prog ? prog->edicts : NULL;
        if (type == MOVE_WORLDONLY)
-               return cliptrace;
+               goto finished;
 
        if (type == MOVE_MISSILE)
        {
@@ -295,7 +741,7 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
        // figure out whether this is a point trace for comparisons
        pointtrace = VectorCompare(clipmins, clipmaxs);
        // precalculate passedict's owner edict pointer for comparisons
-       traceowner = passedict ? PRVM_PROG_TO_EDICT(passedict->fields.client->owner) : NULL;
+       traceowner = passedict ? PRVM_PROG_TO_EDICT(PRVM_clientedictedict(passedict, owner)) : NULL;
 
        // collide against network entities
        if (hitnetworkbrushmodels)
@@ -305,8 +751,8 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
                        entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
                        if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
                                continue;
-                       Collision_ClipToGenericEntity(&trace, ent->model, ent->frame2, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, mins, maxs, end, hitsupercontentsmask);
-                       if (cliptrace.realfraction > trace.realfraction && hitnetworkentity)
+                       Collision_ClipToGenericEntity(&trace, ent->model, ent->frameblend, ent->skeleton, vec3_origin, vec3_origin, 0, &ent->matrix, &ent->inversematrix, start, mins, maxs, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend);
+                       if (cliptrace.fraction > trace.fraction && hitnetworkentity)
                                *hitnetworkentity = cl.brushmodel_entities[i];
                        Collision_CombineTraces(&cliptrace, &trace, NULL, true);
                }
@@ -317,15 +763,35 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
        {
                vec3_t origin, entmins, entmaxs;
                matrix4x4_t entmatrix, entinversematrix;
+
+               if(IS_OLDNEXUIZ_DERIVED(gamemode))
+               {
+                       // don't hit network players, if we are a nonsolid player
+                       if(cl.scores[cl.playerentity-1].frags == -666 || cl.scores[cl.playerentity-1].frags == -616)
+                               goto skipnetworkplayers;
+               }
+
                for (i = 1;i <= cl.maxclients;i++)
                {
                        entity_render_t *ent = &cl.entities[i].render;
-                       // don't hit players that don't exist
-                       if (!cl.scores[i-1].name[0])
-                               continue;
+
                        // don't hit ourselves
                        if (i == cl.playerentity)
                                continue;
+
+                       // don't hit players that don't exist
+                       if (!cl.entities_active[i])
+                               continue;
+                       if (!cl.scores[i-1].name[0])
+                               continue;
+
+                       if(IS_OLDNEXUIZ_DERIVED(gamemode))
+                       {
+                               // don't hit spectators or nonsolid players
+                               if(cl.scores[i-1].frags == -666 || cl.scores[i-1].frags == -616)
+                                       continue;
+                       }
+
                        Matrix4x4_OriginFromMatrix(&ent->matrix, origin);
                        VectorAdd(origin, cl.playerstandmins, entmins);
                        VectorAdd(origin, cl.playerstandmaxs, entmaxs);
@@ -333,11 +799,14 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
                                continue;
                        Matrix4x4_CreateTranslate(&entmatrix, origin[0], origin[1], origin[2]);
                        Matrix4x4_CreateTranslate(&entinversematrix, -origin[0], -origin[1], -origin[2]);
-                       Collision_ClipToGenericEntity(&trace, NULL, 0, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, mins, maxs, end, hitsupercontentsmask);
-                       if (cliptrace.realfraction > trace.realfraction && hitnetworkentity)
+                       Collision_ClipToGenericEntity(&trace, NULL, NULL, NULL, cl.playerstandmins, cl.playerstandmaxs, SUPERCONTENTS_BODY, &entmatrix, &entinversematrix, start, mins, maxs, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend);
+                       if (cliptrace.fraction > trace.fraction && hitnetworkentity)
                                *hitnetworkentity = i;
                        Collision_CombineTraces(&cliptrace, &trace, NULL, false);
                }
+
+skipnetworkplayers:
+               ;
        }
 
        // clip to entities
@@ -359,9 +828,9 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
        {
                touch = touchedicts[i];
 
-               if (touch->fields.client->solid < SOLID_BBOX)
+               if (PRVM_clientedictfloat(touch, solid) < SOLID_BBOX)
                        continue;
-               if (type == MOVE_NOMONSTERS && touch->fields.client->solid != SOLID_BSP)
+               if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
                        continue;
 
                if (passedict)
@@ -373,38 +842,135 @@ trace_t CL_Move(const vec3_t start, const vec3_t mins, const vec3_t maxs, const
                        if (traceowner == touch)
                                continue;
                        // don't clip owner against owned entities
-                       if (passedictprog == touch->fields.client->owner)
+                       if (passedictprog == PRVM_clientedictedict(touch, owner))
                                continue;
                        // don't clip points against points (they can't collide)
-                       if (pointtrace && VectorCompare(touch->fields.client->mins, touch->fields.client->maxs) && (type != MOVE_MISSILE || !((int)touch->fields.client->flags & FL_MONSTER)))
+                       if (pointtrace && VectorCompare(PRVM_clientedictvector(touch, mins), PRVM_clientedictvector(touch, maxs)) && (type != MOVE_MISSILE || !((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)))
                                continue;
                }
 
-               bodysupercontents = touch->fields.client->solid == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
+               bodysupercontents = PRVM_clientedictfloat(touch, solid) == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
 
                // might interact, so do an exact clip
                model = NULL;
-               if ((int) touch->fields.client->solid == SOLID_BSP || type == MOVE_HITMODEL)
-               {
-                       unsigned int modelindex = (unsigned int)touch->fields.client->modelindex;
-                       // if the modelindex is 0, it shouldn't be SOLID_BSP!
-                       if (modelindex > 0 && modelindex < MAX_MODELS)
-                               model = cl.model_precache[(int)touch->fields.client->modelindex];
-               }
+               if ((int) PRVM_clientedictfloat(touch, solid) == SOLID_BSP || type == MOVE_HITMODEL)
+                       model = CL_GetModelFromEdict(touch);
                if (model)
-                       Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.client->origin[0], touch->fields.client->origin[1], touch->fields.client->origin[2], touch->fields.client->angles[0], touch->fields.client->angles[1], touch->fields.client->angles[2], 1);
+                       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);
                else
-                       Matrix4x4_CreateTranslate(&matrix, touch->fields.client->origin[0], touch->fields.client->origin[1], touch->fields.client->origin[2]);
+                       Matrix4x4_CreateTranslate(&matrix, PRVM_clientedictvector(touch, origin)[0], PRVM_clientedictvector(touch, origin)[1], PRVM_clientedictvector(touch, origin)[2]);
                Matrix4x4_Invert_Simple(&imatrix, &matrix);
-               if ((int)touch->fields.client->flags & FL_MONSTER)
-                       Collision_ClipToGenericEntity(&trace, model, touch->fields.client->frame, touch->fields.client->mins, touch->fields.client->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask);
+               VectorCopy(PRVM_clientedictvector(touch, mins), touchmins);
+               VectorCopy(PRVM_clientedictvector(touch, maxs), touchmaxs);
+               if ((int)PRVM_clientedictfloat(touch, flags) & FL_MONSTER)
+                       Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend);
                else
-                       Collision_ClipToGenericEntity(&trace, model, touch->fields.client->frame, touch->fields.client->mins, touch->fields.client->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask);
+                       Collision_ClipToGenericEntity(&trace, model, touch->priv.server->frameblend, &touch->priv.server->skeleton, touchmins, touchmaxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend);
 
-               if (cliptrace.realfraction > trace.realfraction && hitnetworkentity)
+               if (cliptrace.fraction > trace.fraction && hitnetworkentity)
                        *hitnetworkentity = 0;
-               Collision_CombineTraces(&cliptrace, &trace, (void *)touch, touch->fields.client->solid == SOLID_BSP);
+               Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
+       }
+
+finished:
+       return cliptrace;
+}
+
+/*
+==================
+CL_Cache_TraceLine
+==================
+*/
+trace_t CL_Cache_TraceLineSurfaces(const vec3_t start, const vec3_t end, int type, int hitsupercontentsmask, int skipsupercontentsmask, int skipmaterialflagsmask)
+{
+       prvm_prog_t *prog = CLVM_prog;
+       int i;
+       prvm_edict_t *touch;
+       trace_t trace;
+       // bounding box of entire move area
+       vec3_t clipboxmins, clipboxmaxs;
+       // start and end origin of move
+       vec3_t clipstart, clipend;
+       // trace results
+       trace_t cliptrace;
+       // matrices to transform into/out of other entity's space
+       matrix4x4_t matrix, imatrix;
+       // model of other entity
+       dp_model_t *model;
+       // list of entities to test for collisions
+       int numtouchedicts;
+       static prvm_edict_t *touchedicts[MAX_EDICTS];
+
+       VectorCopy(start, clipstart);
+       VectorCopy(end, clipend);
+#if COLLISIONPARANOID >= 3
+       Con_Printf("move(%f %f %f,%f %f %f)", clipstart[0], clipstart[1], clipstart[2], clipend[0], clipend[1], clipend[2]);
+#endif
+
+       // clip to world
+       Collision_Cache_ClipLineToWorldSurfaces(&cliptrace, cl.worldmodel, clipstart, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
+       cliptrace.worldstartsolid = cliptrace.bmodelstartsolid = cliptrace.startsolid;
+       if (cliptrace.startsolid || cliptrace.fraction < 1)
+               cliptrace.ent = prog ? prog->edicts : NULL;
+       if (type == MOVE_WORLDONLY)
+               goto finished;
+
+       // create the bounding box of the entire move
+       for (i = 0;i < 3;i++)
+       {
+               clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) - 1;
+               clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + 1;
+       }
+
+       // if the passedict is world, make it NULL (to avoid two checks each time)
+       // this checks prog because this function is often called without a CSQC
+       // VM context
+
+       // collide against network entities
+       for (i = 0;i < cl.num_brushmodel_entities;i++)
+       {
+               entity_render_t *ent = &cl.entities[cl.brushmodel_entities[i]].render;
+               if (!BoxesOverlap(clipboxmins, clipboxmaxs, ent->mins, ent->maxs))
+                       continue;
+               Collision_Cache_ClipLineToGenericEntitySurfaces(&trace, ent->model, &ent->matrix, &ent->inversematrix, start, end, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
+               Collision_CombineTraces(&cliptrace, &trace, NULL, true);
        }
 
+       // clip to entities
+       // because this uses World_EntitiestoBox, we know all entity boxes overlap
+       // the clip region, so we can skip culling checks in the loop below
+       // note: if prog is NULL then there won't be any linked entities
+       numtouchedicts = 0;
+       if (prog != NULL)
+       {
+               numtouchedicts = World_EntitiesInBox(&cl.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
+               if (numtouchedicts > MAX_EDICTS)
+               {
+                       // this never happens
+                       Con_Printf("CL_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+                       numtouchedicts = MAX_EDICTS;
+               }
+       }
+       for (i = 0;i < numtouchedicts;i++)
+       {
+               touch = touchedicts[i];
+               // might interact, so do an exact clip
+               // only hit entity models, not collision shapes
+               model = CL_GetModelFromEdict(touch);
+               if (!model)
+                       continue;
+               // animated models are not suitable for caching
+               if ((touch->priv.server->frameblend && (touch->priv.server->frameblend[0].lerp != 1.0 || touch->priv.server->frameblend[0].subframe != 0)) || touch->priv.server->skeleton.relativetransforms)
+                       continue;
+               if (type == MOVE_NOMONSTERS && PRVM_clientedictfloat(touch, solid) != SOLID_BSP)
+                       continue;
+               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);
+               Matrix4x4_Invert_Simple(&imatrix, &matrix);
+               Collision_Cache_ClipLineToGenericEntitySurfaces(&trace, model, &matrix, &imatrix, clipstart, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask);
+               Collision_CombineTraces(&cliptrace, &trace, (void *)touch, PRVM_clientedictfloat(touch, solid) == SOLID_BSP);
+       }
+
+finished:
        return cliptrace;
 }
+