+/*
+==================
+SV_Move
+==================
+*/
+#ifdef COLLISION_STUPID_TRACE_ENDPOS_IN_SOLID_WORKAROUND
+#if COLLISIONPARANOID >= 1
+trace_t SV_TraceBox_(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t pEnd, int type, prvm_edict_t *passedict, int hitsupercontentsmask)
+#else
+trace_t SV_TraceBox(const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t pEnd, int type, prvm_edict_t *passedict, int hitsupercontentsmask)
+#endif
+#else
+#if COLLISIONPARANOID >= 1
+trace_t SV_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)
+#else
+trace_t SV_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)
+#endif
+#endif
+{
+ vec3_t hullmins, hullmaxs;
+ int i, bodysupercontents;
+ int passedictprog;
+ float pitchsign = 1;
+ qboolean pointtrace;
+ prvm_edict_t *traceowner, *touch;
+ trace_t trace;
+ // bounding box of entire move area
+ vec3_t clipboxmins, clipboxmaxs;
+ // size of the moving object
+ vec3_t clipmins, clipmaxs;
+ // 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;
+ prvm_edict_t *touchedicts[MAX_EDICTS];
+#ifdef COLLISION_STUPID_TRACE_ENDPOS_IN_SOLID_WORKAROUND
+ vec3_t end;
+ vec_t len = 0;
+
+ if(!VectorCompare(start, pEnd))
+ {
+ // TRICK: make the trace 1 qu longer!
+ VectorSubtract(pEnd, start, end);
+ len = VectorNormalizeLength(end);
+ VectorAdd(pEnd, end, end);
+ }
+ else
+ VectorCopy(pEnd, end);
+#endif
+
+ if (VectorCompare(mins, maxs))
+ {
+ vec3_t shiftstart, shiftend;
+ VectorAdd(start, mins, shiftstart);
+ VectorAdd(end, mins, shiftend);
+ if (VectorCompare(start, end))
+ trace = SV_TracePoint(shiftstart, type, passedict, hitsupercontentsmask);
+ else
+ trace = SV_TraceLine(shiftstart, shiftend, type, passedict, hitsupercontentsmask);
+ VectorSubtract(trace.endpos, mins, trace.endpos);
+ return trace;
+ }
+
+ VectorCopy(start, clipstart);
+ VectorCopy(end, clipend);
+ VectorCopy(mins, clipmins);
+ VectorCopy(maxs, clipmaxs);
+ VectorCopy(mins, clipmins2);
+ VectorCopy(maxs, 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_ClipToWorld(&cliptrace, sv.worldmodel, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask);
+ cliptrace.bmodelstartsolid = cliptrace.startsolid;
+ if (cliptrace.startsolid || cliptrace.fraction < 1)
+ cliptrace.ent = prog->edicts;
+ 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;
+ }
+ }
+
+ // get adjusted box for bmodel collisions if the world is q1bsp or hlbsp
+ if (sv.worldmodel && sv.worldmodel->brush.RoundUpToHullSize)
+ sv.worldmodel->brush.RoundUpToHullSize(sv.worldmodel, clipmins, clipmaxs, hullmins, hullmaxs);
+ else
+ {
+ VectorCopy(clipmins, hullmins);
+ VectorCopy(clipmaxs, hullmaxs);
+ }
+
+ // create the bounding box of the entire move
+ for (i = 0;i < 3;i++)
+ {
+ clipboxmins[i] = min(clipstart[i], cliptrace.endpos[i]) + min(hullmins[i], clipmins2[i]) - 1;
+ clipboxmaxs[i] = max(clipstart[i], cliptrace.endpos[i]) + max(hullmaxs[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)
+ if (passedict == prog->edicts)
+ passedict = NULL;
+ // precalculate prog value for passedict for comparisons
+ passedictprog = PRVM_EDICT_TO_PROG(passedict);
+ // 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.server->owner) : 0;
+
+ // 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
+ numtouchedicts = World_EntitiesInBox(&sv.world, clipboxmins, clipboxmaxs, MAX_EDICTS, touchedicts);
+ if (numtouchedicts > MAX_EDICTS)
+ {
+ // this never happens
+ Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+ numtouchedicts = MAX_EDICTS;
+ }
+ for (i = 0;i < numtouchedicts;i++)
+ {
+ touch = touchedicts[i];
+
+ if (touch->fields.server->solid < SOLID_BBOX)
+ continue;
+ if (type == MOVE_NOMONSTERS && touch->fields.server->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 == touch->fields.server->owner)
+ continue;
+ // don't clip points against points (they can't collide)
+ if (pointtrace && VectorCompare(touch->fields.server->mins, touch->fields.server->maxs) && (type != MOVE_MISSILE || !((int)touch->fields.server->flags & FL_MONSTER)))
+ continue;
+ }
+
+ bodysupercontents = touch->fields.server->solid == SOLID_CORPSE ? SUPERCONTENTS_CORPSE : SUPERCONTENTS_BODY;
+
+ // might interact, so do an exact clip
+ model = NULL;
+ if ((int) touch->fields.server->solid == SOLID_BSP || type == MOVE_HITMODEL)
+ {
+ unsigned int modelindex = (unsigned int)touch->fields.server->modelindex;
+ // if the modelindex is 0, it shouldn't be SOLID_BSP!
+ if (modelindex > 0 && modelindex < MAX_MODELS)
+ model = sv.models[(int)touch->fields.server->modelindex];
+ //pitchsign = 1;
+ pitchsign = SV_GetPitchSign(touch);
+ }
+ if (model)
+ Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], pitchsign * touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
+ else
+ Matrix4x4_CreateTranslate(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2]);
+ Matrix4x4_Invert_Simple(&imatrix, &matrix);
+ if (type == MOVE_MISSILE && (int)touch->fields.server->flags & FL_MONSTER)
+ Collision_ClipToGenericEntity(&trace, model, (int) touch->fields.server->frame, touch->fields.server->mins, touch->fields.server->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins2, clipmaxs2, clipend, hitsupercontentsmask);
+ else
+ Collision_ClipToGenericEntity(&trace, model, (int) touch->fields.server->frame, touch->fields.server->mins, touch->fields.server->maxs, bodysupercontents, &matrix, &imatrix, clipstart, clipmins, clipmaxs, clipend, hitsupercontentsmask);
+
+ Collision_CombineTraces(&cliptrace, &trace, (void *)touch, touch->fields.server->solid == SOLID_BSP);
+ }
+
+finished:
+#ifdef COLLISION_STUPID_TRACE_ENDPOS_IN_SOLID_WORKAROUND
+ if(!VectorCompare(start, pEnd))
+ Collision_ShortenTrace(&cliptrace, len / (len + 1), pEnd);
+#endif
+ return cliptrace;
+}
+
+#if COLLISIONPARANOID >= 1
+trace_t SV_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 endstuck;
+ trace_t trace;
+ vec3_t temp;
+ trace = SV_TraceBox_(start, mins, maxs, end, type, passedict, hitsupercontentsmask);
+ if (passedict)
+ {
+ VectorCopy(trace.endpos, temp);
+ endstuck = SV_TraceBox_(temp, mins, maxs, temp, type, passedict, hitsupercontentsmask).startsolid;
+#if COLLISIONPARANOID < 3
+ if (trace.startsolid || endstuck)
+#endif
+ Con_Printf("%s{e%i:%f %f %f:%f %f %f:%f:%f %f %f%s%s}\n", (trace.startsolid || endstuck) ? "^3" : "", passedict ? (int)(passedict - prog->edicts) : -1, passedict->fields.server->origin[0], passedict->fields.server->origin[1], passedict->fields.server->origin[2], end[0] - passedict->fields.server->origin[0], end[1] - passedict->fields.server->origin[1], end[2] - passedict->fields.server->origin[2], trace.fraction, trace.endpos[0] - passedict->fields.server->origin[0], trace.endpos[1] - passedict->fields.server->origin[1], trace.endpos[2] - passedict->fields.server->origin[2], trace.startsolid ? " startstuck" : "", endstuck ? " endstuck" : "");
+ }
+ return trace;
+}
+#endif
+
+int SV_PointSuperContents(const vec3_t point)
+{
+ int supercontents = 0;
+ int i;
+ prvm_edict_t *touch;
+ vec3_t transformed;
+ // matrices to transform into/out of other entity's space
+ matrix4x4_t matrix, imatrix;
+ // model of other entity
+ dp_model_t *model;
+ unsigned int modelindex;
+ int frame;
+ // list of entities to test for collisions
+ int numtouchedicts;
+ prvm_edict_t *touchedicts[MAX_EDICTS];
+
+ // get world supercontents at this point
+ if (sv.worldmodel && sv.worldmodel->PointSuperContents)
+ supercontents = sv.worldmodel->PointSuperContents(sv.worldmodel, 0, point);
+
+ // if sv_gameplayfix_swiminbmodels is off we're done
+ if (!sv_gameplayfix_swiminbmodels.integer)
+ return supercontents;
+
+ // get list of entities at this point
+ numtouchedicts = World_EntitiesInBox(&sv.world, point, point, MAX_EDICTS, touchedicts);
+ if (numtouchedicts > MAX_EDICTS)
+ {
+ // this never happens
+ Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+ numtouchedicts = MAX_EDICTS;
+ }
+ for (i = 0;i < numtouchedicts;i++)
+ {
+ touch = touchedicts[i];
+
+ // we only care about SOLID_BSP for pointcontents
+ if (touch->fields.server->solid != SOLID_BSP)
+ continue;
+
+ // might interact, so do an exact clip
+ modelindex = (unsigned int)touch->fields.server->modelindex;
+ if (modelindex >= MAX_MODELS)
+ continue;
+ model = sv.models[(int)touch->fields.server->modelindex];
+ if (!model || !model->PointSuperContents)
+ continue;
+ Matrix4x4_CreateFromQuakeEntity(&matrix, touch->fields.server->origin[0], touch->fields.server->origin[1], touch->fields.server->origin[2], touch->fields.server->angles[0], touch->fields.server->angles[1], touch->fields.server->angles[2], 1);
+ Matrix4x4_Invert_Simple(&imatrix, &matrix);
+ Matrix4x4_Transform(&imatrix, point, transformed);
+ frame = (int)touch->fields.server->frame;
+ supercontents |= model->PointSuperContents(model, bound(0, frame, (model->numframes - 1)), transformed);
+ }
+
+ return supercontents;
+}
+
+/*
+===============================================================================
+
+Linking entities into the world culling system
+
+===============================================================================
+*/
+
+void SV_LinkEdict_TouchAreaGrid_Call(prvm_edict_t *touch, prvm_edict_t *ent)
+{
+ prvm_eval_t *val;
+ prog->globals.server->self = PRVM_EDICT_TO_PROG(touch);
+ prog->globals.server->other = PRVM_EDICT_TO_PROG(ent);
+ prog->globals.server->time = sv.time;
+ prog->globals.server->trace_allsolid = false;
+ prog->globals.server->trace_startsolid = false;
+ prog->globals.server->trace_fraction = 1;
+ prog->globals.server->trace_inwater = false;
+ prog->globals.server->trace_inopen = true;
+ VectorCopy (touch->fields.server->origin, prog->globals.server->trace_endpos);
+ VectorSet (prog->globals.server->trace_plane_normal, 0, 0, 1);
+ prog->globals.server->trace_plane_dist = 0;
+ prog->globals.server->trace_ent = PRVM_EDICT_TO_PROG(ent);
+ if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dpstartcontents)))
+ val->_float = 0;
+ if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitcontents)))
+ val->_float = 0;
+ if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphitq3surfaceflags)))
+ val->_float = 0;
+ if ((val = PRVM_GLOBALFIELDVALUE(prog->globaloffsets.trace_dphittexturename)))
+ val->string = 0;
+ PRVM_ExecuteProgram (touch->fields.server->touch, "QC function self.touch is missing");
+}
+
+void SV_LinkEdict_TouchAreaGrid(prvm_edict_t *ent)
+{
+ int i, numtouchedicts, old_self, old_other;
+ prvm_edict_t *touch, *touchedicts[MAX_EDICTS];
+
+ if (ent == prog->edicts)
+ return; // don't add the world
+
+ if (ent->priv.server->free)
+ return;
+
+ if (ent->fields.server->solid == SOLID_NOT)
+ return;
+
+ // build a list of edicts to touch, because the link loop can be corrupted
+ // by IncreaseEdicts called during touch functions
+ numtouchedicts = World_EntitiesInBox(&sv.world, ent->priv.server->areamins, ent->priv.server->areamaxs, MAX_EDICTS, touchedicts);
+ if (numtouchedicts > MAX_EDICTS)
+ {
+ // this never happens
+ Con_Printf("SV_EntitiesInBox returned %i edicts, max was %i\n", numtouchedicts, MAX_EDICTS);
+ numtouchedicts = MAX_EDICTS;
+ }
+
+ old_self = prog->globals.server->self;
+ old_other = prog->globals.server->other;
+ for (i = 0;i < numtouchedicts;i++)
+ {
+ touch = touchedicts[i];
+ if (touch != ent && (int)touch->fields.server->solid == SOLID_TRIGGER && touch->fields.server->touch)
+ {
+ SV_LinkEdict_TouchAreaGrid_Call(touch, ent);
+ }
+ }
+ prog->globals.server->self = old_self;
+ prog->globals.server->other = old_other;
+}
+
+static void RotateBBox(const vec3_t mins, const vec3_t maxs, const vec3_t angles, vec3_t rotatedmins, vec3_t rotatedmaxs)
+{
+ vec3_t v, u;
+ matrix4x4_t m;
+ Matrix4x4_CreateFromQuakeEntity(&m, 0, 0, 0, angles[PITCH], angles[YAW], angles[ROLL], 1.0);
+
+ v[0] = mins[0]; v[1] = mins[1]; v[2] = mins[2]; Matrix4x4_Transform(&m, v, u);
+ VectorCopy(u, rotatedmins); VectorCopy(u, rotatedmaxs);
+ v[0] = maxs[0]; v[1] = mins[1]; v[2] = mins[2]; Matrix4x4_Transform(&m, v, u);
+ if(rotatedmins[0] > u[0]) rotatedmins[0] = u[0]; if(rotatedmins[1] > u[1]) rotatedmins[1] = u[1]; if(rotatedmins[2] > u[2]) rotatedmins[2] = u[2];
+ if(rotatedmaxs[0] < u[0]) rotatedmaxs[0] = u[0]; if(rotatedmaxs[1] < u[1]) rotatedmaxs[1] = u[1]; if(rotatedmaxs[2] < u[2]) rotatedmaxs[2] = u[2];
+ v[0] = mins[0]; v[1] = maxs[1]; v[2] = mins[2]; Matrix4x4_Transform(&m, v, u);
+ if(rotatedmins[0] > u[0]) rotatedmins[0] = u[0]; if(rotatedmins[1] > u[1]) rotatedmins[1] = u[1]; if(rotatedmins[2] > u[2]) rotatedmins[2] = u[2];
+ if(rotatedmaxs[0] < u[0]) rotatedmaxs[0] = u[0]; if(rotatedmaxs[1] < u[1]) rotatedmaxs[1] = u[1]; if(rotatedmaxs[2] < u[2]) rotatedmaxs[2] = u[2];
+ v[0] = maxs[0]; v[1] = maxs[1]; v[2] = mins[2]; Matrix4x4_Transform(&m, v, u);
+ if(rotatedmins[0] > u[0]) rotatedmins[0] = u[0]; if(rotatedmins[1] > u[1]) rotatedmins[1] = u[1]; if(rotatedmins[2] > u[2]) rotatedmins[2] = u[2];
+ if(rotatedmaxs[0] < u[0]) rotatedmaxs[0] = u[0]; if(rotatedmaxs[1] < u[1]) rotatedmaxs[1] = u[1]; if(rotatedmaxs[2] < u[2]) rotatedmaxs[2] = u[2];
+ v[0] = mins[0]; v[1] = mins[1]; v[2] = maxs[2]; Matrix4x4_Transform(&m, v, u);
+ if(rotatedmins[0] > u[0]) rotatedmins[0] = u[0]; if(rotatedmins[1] > u[1]) rotatedmins[1] = u[1]; if(rotatedmins[2] > u[2]) rotatedmins[2] = u[2];
+ if(rotatedmaxs[0] < u[0]) rotatedmaxs[0] = u[0]; if(rotatedmaxs[1] < u[1]) rotatedmaxs[1] = u[1]; if(rotatedmaxs[2] < u[2]) rotatedmaxs[2] = u[2];
+ v[0] = maxs[0]; v[1] = mins[1]; v[2] = maxs[2]; Matrix4x4_Transform(&m, v, u);
+ if(rotatedmins[0] > u[0]) rotatedmins[0] = u[0]; if(rotatedmins[1] > u[1]) rotatedmins[1] = u[1]; if(rotatedmins[2] > u[2]) rotatedmins[2] = u[2];
+ if(rotatedmaxs[0] < u[0]) rotatedmaxs[0] = u[0]; if(rotatedmaxs[1] < u[1]) rotatedmaxs[1] = u[1]; if(rotatedmaxs[2] < u[2]) rotatedmaxs[2] = u[2];
+ v[0] = mins[0]; v[1] = maxs[1]; v[2] = maxs[2]; Matrix4x4_Transform(&m, v, u);
+ if(rotatedmins[0] > u[0]) rotatedmins[0] = u[0]; if(rotatedmins[1] > u[1]) rotatedmins[1] = u[1]; if(rotatedmins[2] > u[2]) rotatedmins[2] = u[2];
+ if(rotatedmaxs[0] < u[0]) rotatedmaxs[0] = u[0]; if(rotatedmaxs[1] < u[1]) rotatedmaxs[1] = u[1]; if(rotatedmaxs[2] < u[2]) rotatedmaxs[2] = u[2];
+ v[0] = maxs[0]; v[1] = maxs[1]; v[2] = maxs[2]; Matrix4x4_Transform(&m, v, u);
+ if(rotatedmins[0] > u[0]) rotatedmins[0] = u[0]; if(rotatedmins[1] > u[1]) rotatedmins[1] = u[1]; if(rotatedmins[2] > u[2]) rotatedmins[2] = u[2];
+ if(rotatedmaxs[0] < u[0]) rotatedmaxs[0] = u[0]; if(rotatedmaxs[1] < u[1]) rotatedmaxs[1] = u[1]; if(rotatedmaxs[2] < u[2]) rotatedmaxs[2] = u[2];
+}
+
+/*
+===============
+SV_LinkEdict
+
+===============
+*/
+void SV_LinkEdict (prvm_edict_t *ent)
+{
+ dp_model_t *model;
+ vec3_t mins, maxs;
+
+ if (ent == prog->edicts)
+ return; // don't add the world
+
+ if (ent->priv.server->free)
+ return;
+
+// set the abs box
+
+ if (ent->fields.server->movetype == MOVETYPE_PHYSICS)
+ {
+ // TODO maybe should do this for rotating SOLID_BSP too? Would behave better with rotating doors
+ // TODO special handling for spheres?
+ RotateBBox(ent->fields.server->mins, ent->fields.server->maxs, ent->fields.server->angles, mins, maxs);
+ VectorAdd(ent->fields.server->origin, mins, mins);
+ VectorAdd(ent->fields.server->origin, maxs, maxs);
+ }
+ else if (ent->fields.server->solid == SOLID_BSP)
+ {
+ int modelindex = (int)ent->fields.server->modelindex;
+ if (modelindex < 0 || modelindex >= MAX_MODELS)
+ {
+ Con_Printf("edict %i: SOLID_BSP with invalid modelindex!\n", PRVM_NUM_FOR_EDICT(ent));
+ modelindex = 0;
+ }
+ model = sv.models[modelindex];
+ 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 (ent->fields.server->angles[0] || ent->fields.server->angles[2] || ent->fields.server->avelocity[0] || ent->fields.server->avelocity[2])
+ {
+ VectorAdd(ent->fields.server->origin, model->rotatedmins, mins);
+ VectorAdd(ent->fields.server->origin, model->rotatedmaxs, maxs);
+ }
+ else if (ent->fields.server->angles[1] || ent->fields.server->avelocity[1])
+ {
+ VectorAdd(ent->fields.server->origin, model->yawmins, mins);
+ VectorAdd(ent->fields.server->origin, model->yawmaxs, maxs);
+ }
+ else
+ {
+ VectorAdd(ent->fields.server->origin, model->normalmins, mins);
+ VectorAdd(ent->fields.server->origin, model->normalmaxs, maxs);
+ }
+ }
+ else
+ {
+ // SOLID_BSP with no model is valid, mainly because some QC setup code does so temporarily
+ VectorAdd(ent->fields.server->origin, ent->fields.server->mins, mins);
+ VectorAdd(ent->fields.server->origin, ent->fields.server->maxs, maxs);
+ }
+ }
+ else
+ {
+ VectorAdd(ent->fields.server->origin, ent->fields.server->mins, mins);
+ VectorAdd(ent->fields.server->origin, ent->fields.server->maxs, maxs);
+ }
+
+//
+// to make items easier to pick up and allow them to be grabbed off
+// of shelves, the abs sizes are expanded
+//
+ if ((int)ent->fields.server->flags & FL_ITEM)
+ {
+ mins[0] -= 15;
+ mins[1] -= 15;
+ mins[2] -= 1;
+ maxs[0] += 15;
+ maxs[1] += 15;
+ maxs[2] += 1;
+ }
+ else
+ {
+ // because movement is clipped an epsilon away from an actual edge,
+ // we must fully check even when bounding boxes don't quite touch
+ mins[0] -= 1;
+ mins[1] -= 1;
+ mins[2] -= 1;
+ maxs[0] += 1;
+ maxs[1] += 1;
+ maxs[2] += 1;
+ }
+
+ VectorCopy(mins, ent->fields.server->absmin);
+ VectorCopy(maxs, ent->fields.server->absmax);
+
+ World_LinkEdict(&sv.world, ent, mins, maxs);
+}
+
+/*
+===============================================================================
+
+Utility functions
+
+===============================================================================
+*/
+