/// <summary>Constructor for a one-shot only image (no mipmapping).</summary>
internal DXTexturedImage(DXTileSet tileSet, RectangleF imageLocation, RectangleF renderingPositionAndSize)
{
this.tileSet = tileSet;
this.imageLocation = imageLocation;
int mipMapLevel = 0;
float horizontalScaleFactor = renderingPositionAndSize.Width / imageLocation.Width;
float verticalScaleFactor = renderingPositionAndSize.Height / imageLocation.Height;
float mipMapFactor = Math.Max(horizontalScaleFactor, verticalScaleFactor);
while (mipMapLevel < (int)tileSet.DetailLevel || (mipMapFactor < 0.5f && mipMapLevel < tileSet.MipMapLevelCount - 1))
{
++mipMapLevel;
mipMapFactor *= 2.0f;
}
tesselate(mipMapLevel);
}
/// <summary>Constructor.</summary>
internal DXTexturedImage(DXTileSet tileSet, RectangleF imageLocation)
{
this.tileSet = tileSet;
this.imageLocation = imageLocation;
tesselate(-1);
}
internal DXTile(DXTileSet tileSet)
{
this.tileSet = tileSet;
this.texture = null;
}