+
+ // 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 (pointtrace && 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, clipend, hitsupercontentsmask, skipsupercontentsmask, skipmaterialflagsmask, extend);
+ else
+ 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.fraction > trace.fraction && hitnetworkentity)
+ *hitnetworkentity = 0;
+ 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;