The rabbit is moving on it's own

server/creatures/creature_api.cpp

@@ -52,11 +52,26 @@ static int getScript(lua_State* L) {
 	return 1;
 }
 
+//TODO: autogen docs
+static int setTag(lua_State* L) {
+	CreatureData* creature = static_cast<CreatureData*>(lua_touserdata(L, 1));
+	creature->SetTag(lua_tostring(L, 2), lua_tostring(L, 3));
+	return 0;
+}
+
+static int getTag(lua_State* L) {
+	CreatureData* creature = static_cast<CreatureData*>(lua_touserdata(L, 1));
+	lua_pushstring(L, creature->GetTag(lua_tostring(L, 2)).c_str());
+	return 1;
+}
+
 static const luaL_Reg creatureLib[] = {
 	{"SetAvatar", setAvatar},
 	{"GetAvatar", getAvatar},
 	{"SetScript", setScript},
 	{"GetScript", getScript},
+	{"SetTag", setTag},
+	{"GetTag", getTag},
 	{nullptr, nullptr}
 };
 

server/creatures/creature_data.cpp

@@ -52,7 +52,7 @@ int CreatureData::Update(lua_State* L) {
 		ret += lua_tonumber(L, -1);
 	}
 
-	ret += Entity::Update();
+	Entity::Update();
 
 	return ret;
 }
@@ -75,4 +75,12 @@ int CreatureData::SetScriptReference(int i) {
 
 int CreatureData::GetScriptReference() {
 	return scriptRef;
+}
+
+std::string CreatureData::SetTag(std::string key, std::string value) {
+	return tags[key] = value;
+}
+
+std::string CreatureData::GetTag(std::string key) {
+	return tags[key];
 }

server/creatures/creature_data.hpp

@@ -25,6 +25,7 @@
 
 #include "lua.hpp"
 
+#include <map>
 #include <string>
 
 /* DOCS: Creature attributes, read more
@@ -49,9 +50,13 @@ public:
 	int SetScriptReference(int);
 	int GetScriptReference();
 
+	std::string SetTag(std::string key, std::string value);
+	std::string GetTag(std::string key);
+
 private:
 	friend class CreatureManager;
 
 	std::string avatar;
 	int scriptRef = LUA_NOREF;
+	std::map<std::string, std::string> tags;
 };

server/creatures/creature_manager.cpp

@@ -30,7 +30,7 @@ CreatureManager::~CreatureManager() {
 }
 
 //arg: a list of creatures to be updated in the clients
-int CreatureManager::Update(std::list<std::pair<const int, CreatureData*>>* creatureList) {
+void CreatureManager::Update(std::list<std::pair<const int, CreatureData*>>* creatureList) {
 	int ret;
 	for (auto& it : elementMap) {
 		ret = it.second.Update(lua);

server/creatures/creature_manager.hpp

@@ -37,7 +37,7 @@ public:
 	~CreatureManager();
 
 	//common public methods
-	int Update(std::list<std::pair<const int, CreatureData*>>* creatureList);
+	void Update(std::list<std::pair<const int, CreatureData*>>* creatureList);
 
 	int Create(std::string avatar, int scriptRef);
 	void Unload(int uid);

server/creatures/creature_manager_api.cpp

@@ -25,8 +25,12 @@
 
 //args: mgr, avatar, script
 static int create(lua_State* L) {
+	//register the function at the top of the stack
+	lua_pushinteger(L, luaL_ref(L, LUA_REGISTRYINDEX));
+
+	//create the actual creature
 	CreatureManager* mgr = static_cast<CreatureManager* const>(lua_touserdata(L, 1));
-	int index = mgr->Create(lua_tostring(L, 2), lua_tointeger(L, 3));
+	int index = mgr->Create(lua_tostring(L, 2), lua_tointeger(L, 3)); //3 should be the unique reference within LUA_REGISTRYINDEX
 	CreatureData* creature = mgr->Get(index);
 	lua_pushlightuserdata(L, static_cast<void*>(creature));
 	lua_pushinteger(L, index);