View.hpp

[詳解]

#pragma once
 
#include "Transform.hpp"
#include "Camera.hpp"
#include "ComponentBase.hpp"
#include "GameObj.hpp"
#include "utility/Primitive.hpp"
 
 
#include "map"
#include "string"
 
using std::map;
using std::string;
using namespace Kisaragi_Lib::ImgComponent;
 
 
namespace Kisaragi_Lib
{
    class ViewComponentBase : public ComponentBase
    {
    protected:
        CameraComponent* input;
 
    public:
        ViewComponentBase()
        {
 
        }
 
        virtual ~ViewComponentBase();
 
        virtual void Init(CameraComponent* _input);
 
        virtual void BeginRender(){};    //描画前に行う処理.
        virtual void EndRender() {};   //描画後に行う処理.
 
 
        virtual ViewComponentBase* This()
        {
            return this;
        }
 
        CameraComponent* GetInput()
        {
            return input;
        }
 
    };
 
    class AABBView : public ViewComponentBase
    {
    public:
        AABB<double> viewArea;
 
        AABBView() : viewArea(Scale2D<double>(WINDOW_WIDTH,WINDOW_HEIGHT))
        {
 
        }
 
        void Init(CameraComponent* _input)override
        {
            ViewComponentBase::Init(_input);
            viewArea = AABB<double>(Scale2D<double>(WINDOW_WIDTH, WINDOW_HEIGHT));
        }
 
        void Init(CameraComponent* _input, AABB<double> _aabb)
        {
            ViewComponentBase::Init(_input);
            viewArea = _aabb;
        }
 
        AABBView* This() override
        {
            return (AABBView*)this;
        }
 
        AABB<double> GetDrawArea()
        {
            return viewArea;
        }
 
        void BeginRender() override
        {
            SetDrawArea(
                gameObj->transform.position.x + viewArea.LeftTopPoint().x,
                gameObj->transform.position.y + viewArea.LeftTopPoint().y,
                gameObj->transform.position.x + viewArea.RightBottomPoint().x,
                gameObj->transform.position.y + viewArea.RightBottomPoint().y
            );
        }
 
        void EndRender() override
        {
            SetDrawArea(0, 0,WINDOW_WIDTH, WINDOW_HEIGHT);
        }
    };
 
    /// <summary>
    /// 描画処理を行うシステム
    /// </summary>
    class RenderSystem
    {
    private:
        //内部処理
        void Drawing(ViewComponentBase* _view);
 
    public:
        //外から呼び出すよう
        void Rendering();
    };
}