#include "Sprite.h"

using namespace City;

Sprite::Sprite(const std::string& fileName)
{
    HRESULT hResult;
    m_surface = nullptr;
    //Get width and height of bitmap
    hResult = D3DXGetImageInfoFromFile(fileName.c_str(), &m_imageInfo);
    //Make sure that the call to D3DXGetImageInfoFromFile succeeded
    if FAILED (hResult)
        return;

    //Create offscreen surface that will hold the bitmap
	hResult = g_pDevice->CreateOffscreenPlainSurface( m_imageInfo.Width, m_imageInfo.Height, D3DFMT_X8R8G8B8, D3DPOOL_DEFAULT, &m_surface, NULL );

    if ( FAILED( hResult ) )
	{
        if(m_surface)
            m_surface->Release();
         return;
	}


    //Load bitmap into surface created earlier
    hResult = D3DXLoadSurfaceFromFile( m_surface, NULL, NULL, fileName.c_str( ), NULL, D3DX_DEFAULT, 0, NULL );
    if ( FAILED( hResult ) )
	{
        if(m_surface)
            m_surface->Release();
		m_surface = nullptr;
        return;
	}
}

Sprite::~Sprite()
{
    if(m_surface)
            m_surface->Release();
}

void Sprite::Draw(const Vec2i& pos, const Vec2i& size)
{
    IDirect3DSurface9* backbuffer = NULL;
    g_pDevice->GetBackBuffer(0,0,D3DBACKBUFFER_TYPE_MONO, &backbuffer);

    RECT rect;
    rect.left = 0;
    rect.bottom = 0;
    rect.right = rect.left + m_imageInfo.Width;
	rect.top = rect.bottom + m_imageInfo.Height;


    RECT rect2;
    rect2.left = pos.x;
    rect2.bottom = pos.y;
    rect2.right = rect2.left + size.x;
	rect2.top = rect2.bottom + size.y;

    g_pDevice->StretchRect( m_surface,               //the source surface
                                       &rect,                          //the source rectangle
                                       backbuffer,              //the destination surface
                                       &rect2,                       //teh destinaition rectangle
                                       D3DTEXF_NONE);    // the filter to apply
}