Resouce.hpp

[詳解]

#pragma once
 
#include <memory>
#include <functional>
#include "../../ConsoleDebug/Debug.hpp"
 
namespace Kisaragi_ECS
{
    /// <summary>
    /// Resouceの保有と破棄を行う型
    /// </summary>
    class ResourceInfo
    {
    public:
        //resourceの破棄に扱われる関数
        std::function<void()> destroy;
 
        //resourceデータ
        std::shared_ptr<void> resource;
 
        ~ResourceInfo()
        {
            if (destroy)
            {
                destroy();
            }
            else
            {
                Debug::PrintWarningStatic("ResourceInfo : destroyが登録されていません");
            }
        }
    };
 
    /// <summary>
    /// リソースの基底クラス
    /// </summary>
    /// <typeparam name="T">リソースの型</typeparam>
    template<class T>
    class Resource
    {
    protected:
        std::shared_ptr<ResourceInfo> info;
 
    public:
 
        Resource() = delete;
        Resource(std::shared_ptr<ResourceInfo> _info) :info{ _info } {};
 
        /// <summary>
        /// リソースを返す
        /// </summary>
        operator const T&()
        {
            return *std::static_pointer_cast<T>(info.get()->resource);
        }
 
 
    };
 
    using Image = Resource<int>;
 
    
}