Lua/LuaInstance: Add PushInstance

Former-commit-id: 0e65124d5920a1b5ea3c644e496ae58ddee1cd8e

include/Nazara/Lua/LuaClass.inl

@@ -15,15 +15,6 @@ namespace Nz
 	{
 		m_info->name = name;
 	}
-	/*
-	template<class T>
-	void LuaClass<T>::Inherit(LuaClass<P>& parent)
-	{
-		static_assert(std::is_base_of<P, T>::value, "P must be a base of T");
-
-		m_info->parentInfo = parent.m_info;
-	}
-	*/
 
 	template<class T>
 	template<class P>
@@ -288,10 +279,7 @@ namespace Nz
 			return 0; // Normalement jamais exécuté (l'erreur provoquant une exception)
 		}
 
-		T** ud = static_cast<T**>(lua.PushUserdata(sizeof(T*)));
+		lua.PushInstance(info->name.GetConstBuffer(), instance);
-		*ud = instance;
-		lua.SetMetatable(info->name);
-
 		return 1;
 	}
 

include/Nazara/Lua/LuaInstance.hpp

@@ -117,6 +117,8 @@ namespace Nz
 			void PushCFunction(LuaCFunction func, unsigned int upvalueCount = 0);
 			void PushFunction(LuaFunction func);
 			template<typename R, typename... Args, typename... DefArgs> void PushFunction(R(*func)(Args...), DefArgs... defArgs);
+			template<typename T> void PushInstance(const char* tname, T* instance);
+			template<typename T, typename... Args> void PushInstance(const char* tname, Args&&... args);
 			void PushInteger(long long value);
 			void PushLightUserdata(void* value);
 			void PushMetatable(const char* str);

include/Nazara/Lua/LuaInstance.inl

@@ -404,4 +404,18 @@ namespace Nz
 			return handler.Invoke(func);
 		});
 	}
+
+	template<typename T>
+	void LuaInstance::PushInstance(const char* tname, T* instance)
+	{
+		T** userdata = static_cast<T**>(PushUserdata(sizeof(T*)));
+		*userdata = instance;
+		SetMetatable(tname);
+	}
+
+	template<typename T, typename... Args>
+	void LuaInstance::PushInstance(const char* tname, Args&&... args)
+	{
+		PushInstance(tname, new T(std::forward<Args>(args)...));
+	}
 }