FrameLogic.h

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#pragma once
 
#include "ncengine/ecs/Component.h"
#include "ncengine/ecs/Ecs.h"
 
#include <functional>
 
namespace nc
{
using FrameLogicCallable_t = std::move_only_function<void(Entity self, ecs::Ecs world, float dt)>;
 
template<class Func>
concept FrameLogicCallable = std::convertible_to<Func, FrameLogicCallable_t>;
 
class FrameLogic final : public ComponentBase
{
    public:
        template<FrameLogicCallable Func>
        FrameLogic(Entity entity, Func&& func)
            : ComponentBase{entity},
              m_func{std::forward<Func>(func)}
        {
        }
 
        template<FrameLogicCallable Func>
        void SetFunction(Func&& func)
        {
            m_func = std::forward<Func>(func);
        }
 
        void Run(ecs::Ecs world, float dt)
        {
            if(m_func) m_func(ParentEntity(), world, dt);
        }
 
    private:
        FrameLogicCallable_t m_func;
};
} // namespace nc