public bool Write(TextureBase texture, int width, int height, out Vector2 uv, out Vector2 uvSize, out AvailableSpace usingAvailableSpace)
{
uv = Vector2.Zero;
uvSize = Vector2.Zero;
usingAvailableSpace = null;
AvailableSpace usedAvailableSpace = null;
foreach (var availableSpace in onceUsedSpaces)
{
if (width == availableSpace.Size.Width && height == availableSpace.Size.Height)
{
device.StretchRectangle(texture,
null,
Texture,
new SharpDX.Mathematics.Interop.RawPoint((int)availableSpace.Position.X, (int)availableSpace.Position.Y));
uv = new Vector2(availableSpace.Position.X / (float)Size, availableSpace.Position.Y / (float)Size);
uvSize = new Vector2(width / (float)Size, height / (float)Size);
usedAvailableSpace = availableSpace;
usingAvailableSpace = new AvailableSpace(this, availableSpace.Position, new Size2(width, height));
break;
}
}
if (usedAvailableSpace != null)
{
onceUsedSpaces.Remove(usedAvailableSpace);
onceUsedSpaces.Sort(AvailableSpaceComparer);
return(true);
}
else
{
foreach (var availableSpace in availableSpaces)
{
if (width <= availableSpace.Size.Width && height <= availableSpace.Size.Height)
{
device.StretchRectangle(texture,
null,
Texture,
new SharpDX.Mathematics.Interop.RawPoint((int)availableSpace.Position.X, (int)availableSpace.Position.Y));
if (availableSpace.Size.Width - width > 0)
{
availableSpaces.Add(new AvailableSpace(this,
new Point(availableSpace.Position.X + width, availableSpace.Position.Y),
new Size2(availableSpace.Size.Width - width, height)));
}
if (availableSpace.Size.Height - height > 0)
{
availableSpaces.Add(new AvailableSpace(this,
new Point(availableSpace.Position.X, availableSpace.Position.Y + height),
new Size2(availableSpace.Size.Width, availableSpace.Size.Height - height)));
}
uv = new Vector2(availableSpace.Position.X / (float)Size, availableSpace.Position.Y / (float)Size);
uvSize = new Vector2(width / (float)Size, height / (float)Size);
usedAvailableSpace = availableSpace;
usingAvailableSpace = new AvailableSpace(this, availableSpace.Position, new Size2(width, height));
break;
}
}
if (usedAvailableSpace != null)
{
availableSpaces.Remove(usedAvailableSpace);
availableSpaces.Sort(AvailableSpaceComparer);
return(true);
}
}
return(false);
}
public void Return(AvailableSpace availableSpace)
{
onceUsedSpaces.Add(availableSpace);
}
private int AvailableSpaceComparer(AvailableSpace a1, AvailableSpace a2)
{
return(a1.Size.Width * a1.Size.Height - a2.Size.Width * a2.Size.Height);
}
public SizeTexture Write(TextureBase texture, int width, int height, out Vector2 uv, out Vector2 uvSize, out AvailableSpace usingAvailableSpace)
{
foreach (var sizeTexture in textures)
{
if (sizeTexture.Write(texture, width, height, out uv, out uvSize, out usingAvailableSpace))
{
return(sizeTexture);
}
}
var newSizeTexture = new SizeTexture(device);
textures.Add(newSizeTexture);
newSizeTexture.Write(texture, width, height, out uv, out uvSize, out usingAvailableSpace);
return(newSizeTexture);
}