LuaBinding.hpp

// Copyright (C) 2017 Jérôme Leclercq
// This file is part of the "Nazara Development Kit"
// For conditions of distribution and use, see copyright notice in Prerequesites.hpp

#pragma once

#ifndef NDK_LUABINDING_HPP
#define NDK_LUABINDING_HPP

#include <NDK/Entity.hpp>
#include <NDK/Lua/LuaBinding_Base.hpp>
#include <memory>

namespace Ndk
{
    class NDK_API LuaBinding
    {
        friend class LuaBinding_SDK;

        public:
            LuaBinding();
            ~LuaBinding() = default;

            template<typename T> void BindComponent(const Nz::String& name);

            void RegisterClasses(Nz::LuaState& state);

            std::unique_ptr<LuaBinding_Base> core;
            std::unique_ptr<LuaBinding_Base> math;
            std::unique_ptr<LuaBinding_Base> network;
            std::unique_ptr<LuaBinding_Base> sdk;
            std::unique_ptr<LuaBinding_Base> utility;

            #ifndef NDK_SERVER
            std::unique_ptr<LuaBinding_Base> audio;
            std::unique_ptr<LuaBinding_Base> graphics;
            std::unique_ptr<LuaBinding_Base> renderer;
            std::unique_ptr<LuaBinding_Base> platform;
            #endif

        private:
            template<typename T>
            static int AddComponentOfType(Nz::LuaState& lua, EntityHandle& handle);

            template<typename T>
            static int PushComponentOfType(Nz::LuaState& lua, BaseComponent& component);

            using AddComponentFunc = int(*)(Nz::LuaState&, EntityHandle&);
            using GetComponentFunc = int(*)(Nz::LuaState&, BaseComponent&);

            struct ComponentBinding
            {
                AddComponentFunc adder;
                ComponentIndex index;
                GetComponentFunc getter;
                Nz::String name;
            };

            ComponentBinding* QueryComponentIndex(Nz::LuaState& lua, int argIndex = 2);

            std::vector<ComponentBinding> m_componentBinding;
            std::unordered_map<Nz::String, ComponentIndex> m_componentBindingByName;
    };
}

#include <NDK/Lua/LuaBinding.inl>

#endif // NDK_LUABINDING_HPP