MegaSteve/GameObject.ixx

module;
#include <d2d1.h>
#include <wrl/client.h>

export module GameObject;

import Graphics;
import Math;

export struct Texture
{
    using BitMap = ::Microsoft::WRL::ComPtr<ID2D1Bitmap>;

    BitMap bitmap;
    Vector2 size;
    Rect rect;

    static Texture LoadFromFile(LPCWSTR uri)
    {
        Texture tex;
        tex.bitmap = Graphics::LoadImageFromFile(uri);
        auto s = tex.bitmap->GetPixelSize();
        tex.size = { (FLOAT)s.width, (FLOAT)s.height };
        tex.rect = { 0.f, 0.f, tex.size.x, tex.size.y };
        return tex;
    }
};

export class GameObject
{

public:

    Texture imge;
    Vector2 Posi;
    Vector2 Anch;
    Vector2 Size;

    Rect getRect() const
    {
        return
        {
            Posi.x - Size.x * Anch.x,
            Posi.y - Size.y * Anch.y,
            Posi.x + Size.x * (1.f - Anch.x),
            Posi.y + Size.y * (1.f - Anch.y),
        };
    }

    bool isPaused = false;
    void Pause()
    {
        isPaused = true;
    }
    void Resume()
    {
        isPaused = false;
    }

    GameObject() {}

    virtual void OnStartUp() = 0;
    virtual void OnCleanUp() = 0;
    virtual void OnUpdate(float delta) = 0;
    virtual void OnLaterUpdate(float delta) = 0;
    virtual void OnReset() {}

    virtual void OnRender()
    {
        Rect dst =
        { 
            Posi.x - Size.x * Anch.x,
            Posi.y + Size.y * (1.f - Anch.y),
            Posi.x + Size.x * (1.f - Anch.x),
            Posi.y - Size.y * Anch.y,
        };
        Graphics::DrawBitMap(imge.bitmap, dst, imge.rect);
    }
};