Fix building crash (PR #3753)

Author: TheNormalnij

Client/game_sa/CBuildingsPoolSA.cpp

@@ -151,6 +151,9 @@ void CBuildingsPoolSA::RemoveAllBuildings()
 
             RemoveBuildingFromWorld(building);
 
+            if (building->HasMatrix())
+                building->RemoveMatrix();
+
             pBuildsingsPool->Release(i);
 
             (*m_pOriginalBuildingsBackup)[i].first = true;

Client/game_sa/CEntitySA.h

@@ -242,6 +242,10 @@ class CEntitySAInterface
         using vtbl_DeleteRwObject = void(__thiscall*)(CEntitySAInterface * pEntity);
         ((vtbl_DeleteRwObject)this->vtbl->DeleteRwObject)(this);
     };
+
+    bool HasMatrix() const noexcept { return Placeable.matrix != nullptr; }
+
+    void RemoveMatrix() { ((void(__thiscall*)(void*))0x54F3B0)(this); }
 };
 static_assert(sizeof(CEntitySAInterface) == 0x38, "Invalid size for CEntitySAInterface");