LuaManager.h

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#if WITH_LUA
#pragma once

#include "Platform.h"
#include "Singleton.hpp"
#include "File.h"
#include <sol/sol.hpp>
#include "Components/Transform.h"
#include <entt/entity/registry.hpp>
#include "ScriptComponent.h"

namespace Fling
{
    struct LuaBehaviors
    {
        sol::state LuaState;
        sol::function Tick = sol::nil;
        sol::function Start = sol::nil;
    };

    class LuaManager : public Singleton<LuaManager>
    {
    public:

        void Init(entt::registry* t_Registry);

        void Shutdown() override;

        void Start();

        void Tick(float t_deltaTime);

    private:

        void RegisterScript(File* t_ScriptFile, entt::entity t_Ent);

        void LoadScript(File* t_File, entt::entity t_Ent, LuaBehaviors* t_Behavior);

        void AddCallback(const sol::state& t_LuaState, const char* t_FunctionName, sol::function* t_Callbacks);

        void LuaPrint(const std::string& t_Message);

        void DefineLuaTypes(sol::state& t_LuaState);

        void DefineLuaFunctions(sol::state& t_LuaState);

        void LuaScriptAdded(entt::entity t_Ent, entt::registry& t_Reg, ScriptComponent& t_LuaScript);

        //A reference to the registry
        entt::registry* m_Registry = nullptr;

        //A map of all of the registered lua behaviors
        std::unordered_map<File*, LuaBehaviors> m_LuaComponents;
    };
}
#endif