Sdk/LuaBinding: Expose BindComponent for user components

Former-commit-id: 3d9f1d14f6b63ec72b61e15e6e549e46e958a92f

SDK/include/NDK/LuaBinding.inl

@@ -0,0 +1,45 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#include <NDK/LuaBinding.hpp>
+
+namespace Ndk
+{
+	template<typename T>
+	void LuaBinding::BindComponent(const Nz::String& name)
+	{
+		NazaraAssert(!name.IsEmpty(), "Component name cannot be empty");
+
+		ComponentBinding binding;
+		binding.adder = &AddComponentOfType<T>;
+		binding.getter = &PushComponentOfType<T>;
+		binding.index = T::componentIndex;
+		binding.name = name;
+
+		if (m_componentBinding.size() <= T::componentIndex)
+			m_componentBinding.resize(T::componentIndex + 1);
+
+		m_componentBinding[T::componentIndex] = std::move(binding);
+	}
+
+	template<typename T>
+	int AddComponentOfType(Nz::LuaInstance& lua, EntityHandle& handle)
+	{
+		static_assert(std::is_base_of<BaseComponent, T>::value, "ComponentType must inherit BaseComponent");
+
+		T& component = handle->AddComponent<T>();
+		lua.Push(component.CreateHandle());
+		return 1;
+	}
+
+	template<typename T>
+	int PushComponentOfType(Nz::LuaInstance& lua, BaseComponent& component)
+	{
+		static_assert(std::is_base_of<BaseComponent, T>::value, "ComponentType must inherit BaseComponent");
+
+		T& rightComponent = static_cast<T&>(component);
+		lua.Push(rightComponent.CreateHandle());
+		return 1;
+	}
+}