int DrawSprite(HDC hdc, HBITMAP hbmColour,int x, int y, COLORREF crTransparent)
{
	HDC hdcMem, hdcMem2;
	HBITMAP hbmMask, hOldBitmap, hOldBitmap2;
	BITMAP bm;
	GetObject(hbmColour, sizeof(BITMAP), &bm);
	hbmMask = CreateBitmap(bm.bmWidth, bm.bmHeight, 1, 1, NULL);

	hdcMem = CreateCompatibleDC(hdc);
	hdcMem2 = CreateCompatibleDC(hdc);

	hOldBitmap = SelectObject(hdcMem, hbmColour);
	hOldBitmap2 = SelectObject(hdcMem2, hbmMask);

	SetBkColor(hdcMem, crTransparent);

	BitBlt(hdcMem2, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem, 0, 0, SRCCOPY);

	BitBlt(hdcMem, 0, 0, bm.bmWidth, bm.bmHeight, hdcMem2, 0, 0, SRCINVERT);

   BitBlt(hdc, x, y, bm.bmWidth, bm.bmHeight, hdcMem2, 0, 0, SRCAND);

	BitBlt(hdc, x, y, bm.bmWidth, bm.bmHeight, hdcMem, 0, 0, SRCPAINT);

   SelectObject(hdcMem, hOldBitmap);
   SelectObject(hdcMem2, hOldBitmap2);
	DeleteDC(hdcMem);
	DeleteDC(hdcMem2);
   DeleteObject(hbmMask);
	return 0;
}