private void CopyRepeating(Array1D <Color> from, Array1D <Color> to, Rectangle source, Rectangle destination)
{
for (int y = 0; y < destination.Height; y++)
{
for (int x = 0; x < destination.Width; x++)
{
to[destination.X + x, destination.Y + y] = from[source.X + (x % source.Width), source.Y + (y % source.Height)];
}
}
}
private void Copy(Array1D <Color> from, Array1D <Color> to, Rectangle source, Point destination)
{
for (int y = 0; y < source.Height; y++)
{
for (int x = 0; x < source.Width; x++)
{
to[destination.X + x, destination.Y + y] = from[source.X + x, source.Y + y];
}
}
}
public void Update(Rectangle rect)
{
if (rect == Rect)
{
return;
}
if (rect.Size == Rect.Size)
{
Rect = rect;
return;
}
Rect = rect;
if (Texture == null || Texture.Bounds.Size != Rect.Size)
{
Texture = new Texture2D(graphicsDevice, Rect.Width, Rect.Height);
}
Texture2D originalTexture = TextureManager.GetTexture(TextureName);
Point oTexSize = originalTexture.Bounds.Size;
int tSize = Util.TileSize;
if (oTexSize != new Point(tSize * 3, tSize * 3))
{
Log.Error("Original texture for NineSlicedSprite needs to be TileSize x TileSize!");
return;
}
var originalDataRaw = new Color[oTexSize.X * oTexSize.Y];
originalTexture.GetData(originalDataRaw);
var originalData = new Array1D <Color>(originalDataRaw, oTexSize.X, oTexSize.Y);
var newData = new Array1D <Color>(Rect.Width, Rect.Height);
// from original texture
var cornerNW = new Rectangle(0, 0, tSize, tSize);
var cornerNE = new Rectangle(tSize * 2, 0, tSize, tSize);
var cornerSW = new Rectangle(0, tSize * 2, tSize, tSize);
var cornerSE = new Rectangle(tSize * 2, tSize * 2, tSize, tSize);
var borderN = new Rectangle(tSize, 0, tSize, tSize);
var borderW = new Rectangle(0, tSize, tSize, tSize);
var borderE = new Rectangle(tSize * 2, tSize, tSize, tSize);
var borderS = new Rectangle(tSize, tSize * 2, tSize, tSize);
var center = new Rectangle(tSize, tSize, tSize, tSize);
Copy(originalData, newData, cornerNW, new Point(0, 0));
Copy(originalData, newData, cornerNE, new Point(Rect.Width - tSize, 0));
Copy(originalData, newData, cornerSW, new Point(0, Rect.Height - tSize));
Copy(originalData, newData, cornerSE, new Point(Rect.Width - tSize, Rect.Height - tSize));
CopyRepeating(originalData, newData, borderN, new Rectangle(tSize, 0, Rect.Width - tSize * 2, tSize));
CopyRepeating(originalData, newData, borderW, new Rectangle(0, tSize, tSize, Rect.Height - tSize * 2));
CopyRepeating(originalData, newData, borderE, new Rectangle(Rect.Width - tSize, tSize, tSize, Rect.Height - tSize * 2));
CopyRepeating(originalData, newData, borderS, new Rectangle(tSize, Rect.Height - tSize, Rect.Width - tSize * 2, tSize));
CopyRepeating(originalData, newData, center, new Rectangle(tSize, tSize, Rect.Width - tSize * 2, Rect.Height - tSize * 2));
//for (int y = 0; y < Rect.Height; y++)
//{
// for (int x = 0; x < Rect.Width; x++)
// {
// int pixelIndex = y * Rect.Width + x;
// if(cornerNW.Contains(x, y))
// {
// int originalPixelIndex = tSize * 3 * y + x;
// newData[pixelIndex] = originalData[originalPixelIndex];
// }
// else if(cornerNE.Contains(x, y))
// {
// int originalPixelIndex = tSize * 3 * y + tSize * 2 + x - cornerNE.Location.X;
// newData[pixelIndex] = originalData[originalPixelIndex];
// }
// else if (cornerSW.Contains(x, y))
// {
// int originalPixelIndex = tSize * 3 * (tSize * 2 + (y - cornerSW.Y)) + x;
// newData[pixelIndex] = originalData[originalPixelIndex];
// }
// else if (cornerSE.Contains(x, y))
// {
// int originalPixelIndex = tSize * 3 * (tSize * 2 + (y - cornerSW.Y)) + tSize * 2 + x - cornerNE.Location.X;
// newData[pixelIndex] = originalData[originalPixelIndex];
// }
// else
// {
// //newData[pixelIndex] = Color.White;
// }
// }
//}
Texture.SetData(newData.GetData());
}
