diff --git a/libzhl/functions/Room.zhl b/libzhl/functions/Room.zhl
index 68f9f190a..0ee48d463 100644
--- a/libzhl/functions/Room.zhl
+++ b/libzhl/functions/Room.zhl
@@ -79,6 +79,15 @@ __thiscall void Room::SaveState();
 "568b35????????578bf9833e0d":
 __thiscall uint32_t Room::GetBossVictoryJingle();
 
+"558bec83f905":
+static cleanup bool Room::ShouldSaveEntity(unsigned int Type<ecx>, unsigned int Variant<edx>, unsigned int SubType, unsigned int SpawnerType, bool Unk);
+
+"558bec6aff68????????64a1????????5083ec3056":
+__thiscall bool Room::SaveEntity(Entity* ent, EntitySaveState* saveState, bool unk);
+
+"558bec83e4f883ec1c5356578b7d??8bf1":
+__thiscall void Room::RestoreEntity(Entity* ent, EntitySaveState* saveState);
+
 struct Room depends (EntityList, RoomDescriptor, TemporaryEffects, RailManager) {
 {{
 	inline Camera* GetCamera() { return *(Camera**)((char*)this + 0x11F8); }
diff --git a/repentogon/LuaInterfaces/CustomCallbacks.cpp b/repentogon/LuaInterfaces/CustomCallbacks.cpp
index ad4c575ad..77d53e8a3 100644
--- a/repentogon/LuaInterfaces/CustomCallbacks.cpp
+++ b/repentogon/LuaInterfaces/CustomCallbacks.cpp
@@ -3935,4 +3935,83 @@ HOOK_METHOD(Minimap, Render, () -> void) {
 		lua_rawgeti(L, LUA_REGISTRYINDEX, g_LuaEngine->runCallbackRegistry->key);
 		lua::LuaCaller(L).push(postcallbackid).call(1);
 	}
+}
+
+HOOK_STATIC(Room, ShouldSaveEntity, (unsigned int Type, unsigned int Variant, unsigned int SubType, unsigned int SpawnerType, bool unk) -> bool) {
+	const int callbackid = 1481;
+	if (CallbackState.test(callbackid - 1000)) {
+		lua_State* L = g_LuaEngine->_state;
+		lua::LuaStackProtector protector(L);
+
+		lua_rawgeti(L, LUA_REGISTRYINDEX, g_LuaEngine->runCallbackRegistry->key);
+
+		lua::LuaResults result = lua::LuaCaller(L).push(callbackid)
+			.pushnil()
+			.push(Type)
+			.push(Variant)
+			.push(SubType)
+			.push(SpawnerType)
+			.push(unk)
+			.call(1);
+
+		if (!result) {
+			if (lua_isboolean(L, -1)) {
+				return lua_toboolean(L, -1);
+			}
+		}
+	}
+	super(Type, Variant, SubType, SpawnerType, unk);
+}
+
+/*void ProcessSaveRestoreCallbacks(Entity* entity, EntitySaveState* state, const char* mode, bool isCleared) {
+	
+}
+*/
+
+HOOK_METHOD(Room, SaveEntity, (Entity* entity, EntitySaveState* state, bool isCleared) -> bool) {
+	const int callbackid = 1482;
+	if (CallbackState.test(callbackid - 1000)) {
+		lua_State* L = g_LuaEngine->_state;
+		lua::LuaStackProtector protector(L);
+
+		lua_rawgeti(L, LUA_REGISTRYINDEX, g_LuaEngine->runCallbackRegistry->key);
+
+		lua::LuaCaller caller(L);
+
+
+
+		lua::LuaResults result = lua::LuaCaller(L).push(callbackid)
+			.push(entity->_type)
+			.push(entity, lua::Metatables::ENTITY)
+			.push(&state, lua::metatables::EntitySaveStateMT)
+			.push(isCleared)
+			.call(1);
+
+		if (!result) {
+			if (lua_isboolean(L, -1)) {
+				return lua_toboolean(L, -1);
+			}
+		}
+	}
+
+	return super(entity, state, isCleared);
+
+}
+
+HOOK_METHOD(Room, RestoreEntity, (Entity* entity, EntitySaveState* state) -> void) {
+	const int callbackid = 1483;
+	if (CallbackState.test(callbackid - 1000)) {
+		lua_State* L = g_LuaEngine->_state;
+		lua::LuaStackProtector protector(L);
+
+		lua_rawgeti(L, LUA_REGISTRYINDEX, g_LuaEngine->runCallbackRegistry->key);
+
+		lua::LuaCaller(L).push(callbackid)
+			.push(entity->_type)
+			.push(entity, lua::Metatables::ENTITY)
+			.push(state, lua::metatables::EntitySaveStateMT)
+			.call(1);
+	}
+
+	super(entity, state);
 }
\ No newline at end of file