public bool Harvest(ITextureOperations <TTexture, TColor> ops,
TTexture targetTexture,
out TTexture result)
{
if (HasTexture)
{
var textureBounds = Texture.Bounds;
// Debug.Log("Extract " + Texture.Name + " via " + textureBounds);
var localTextureBounds = new TextureCoordinateRect
(0, 0, textureBounds.Width, textureBounds.Height);
var srcData = ops.ExtractData(Texture, localTextureBounds);
ops.MakeDebugVisible(srcData);
ops.ApplyTextureData(targetTexture, srcData,
new TextureCoordinatePoint(CellBounds.X, CellBounds.Y));
result = ops.Clip(targetTexture.Name + ":" + Texture.Name, targetTexture, CellBounds);
// Debug.Log("Harvest: " + result.Name + ":" + Texture.Name + " " + result.Bounds + " @ " + textureBounds);
return(true);
}
if (Left.Harvest(ops, targetTexture, out var l))
{
result = l;
return(true);
}
return(Right.Harvest(ops, targetTexture, out result));
}
public BoundedTextureData <Color> ExtractData(XnaTexture srcTexture, TextureCoordinateRect rect)
{
var texture = srcTexture.Texture;
if (texture == null)
{
return(CreateClearTexture(rect.Size));
}
var data = new Color[rect.Width * rect.Height];
var srcBounds = srcTexture.Bounds;
var b = srcBounds.Clip(new TextureCoordinateRect(rect.X + srcBounds.X, rect.Y + srcBounds.Y, rect.Width, rect.Height));
if (UseSourceTextureCache)
{
var srcLineWidth = srcTexture.Texture.Bounds.Width;
var raw = ExtractColorData(srcTexture);
for (var y = 0; y < b.Height; y += 1)
{
var srcIdx = (b.Y + y) * srcLineWidth + b.X;
var tgtIdx = y * rect.Width;
Array.Copy(raw, srcIdx, data, tgtIdx, b.Width);
}
}
else
{
texture.GetData(0, b.ToXna(), data, 0, data.Length);
}
var textureBounds = new TextureCoordinateRect(rect.X, rect.Y, b.Width, b.Height);
return(new BoundedTextureData <Color>(textureBounds, data));
}
public XnaTexture CreateSubTexture(string name, TextureCoordinateRect bounds)
{
return(new XnaTexture(name ?? Name, bounds, Texture));
}
public static Rectangle ToXna(this TextureCoordinateRect rect)
{
return(new Rectangle(rect.X, rect.Y, rect.Width, rect.Height));
}
public TreeNode(TextureCoordinateRect bounds)
{
CellBounds = bounds;
}
public XnaTexture(string name, TextureCoordinateRect bounds, Texture2D texture)
{
Name = name;
Bounds = bounds;
Texture = texture;
}
public XnaTexture Clip(string name, XnaTexture texture, TextureCoordinateRect clipRegion)
{
return(new XnaTexture(name, clipRegion.Clip(texture.Bounds), texture.Texture));
}
