public override ImageSpriteStub Process(Texture2DContent input, ContentProcessorContext context)
{
string textureName = Path.GetFileNameWithoutExtension(context.OutputFilename) + "Texture";
BitmapContent texture = input.Mipmaps[0];
ExternalReference <Texture2DContent> texRef = context.WriteAsset(input, textureName);
Rectangle texRect = new Rectangle(0, 0, texture.Width, texture.Height);
return(new ImageSpriteStub(texRef, texRect));
}
public override DummyObject Process(PackedImageSpritesContent input, ContentProcessorContext context)
{
TexturePacker packer = new TexturePacker((int)ContainerSize);
List <Texture2DContent> textures = new List <Texture2DContent>();
foreach (var group in input.Groups)
{
textures.Clear();
// load the textures to be packed
foreach (var fileName in group.Filenames)
{
string textureFile = Path.GetDirectoryName(input.Identity.SourceFilename) + @"\" + fileName;
context.AddDependency(textureFile);
ExternalReference <Texture2DContent> textureReference = new ExternalReference <Texture2DContent>(textureFile);
Texture2DContent texture = context.BuildAndLoadAsset <Texture2DContent, Texture2DContent>(textureReference, null);
texture.Name = Path.GetFileNameWithoutExtension(fileName);
textures.Add(texture);
}
// pack the textures
int containerTextures = 0;
while (textures.Count > 0 && containerTextures < MaximumContainersPerGroup)
{
packer.Pack(textures);
var packedTextures = packer.GetContents();
Texture2DContent containerTexture = CreateContainerTexture(packedTextures);
ExternalReference <Texture2DContent> container = context.WriteAsset(containerTexture, group.Name + "Texture" + containerTextures);
foreach (var pack in packedTextures)
{
// undo the padding
Rectangle texturePosition = pack.Value;
texturePosition.X += 1;
texturePosition.Y += 1;
texturePosition.Width -= 2;
texturePosition.Height -= 2;
// write the stub
ImageSpriteStub stub = new ImageSpriteStub(container, texturePosition);
context.WriteAsset(stub, pack.Key.Name);
context.Logger.LogImportantMessage("Packed {0} at {1}", pack.Key.Name, texturePosition);
}
// repeat with the textures that did not fit
textures = packer.GetOverflow();
containerTextures++;
}
// warn if we bailed out
if (containerTextures > MaximumContainersPerGroup)
{
context.Logger.LogImportantMessage(
"Too many textures to pack in group {0}; {1} left over.", group.Name, textures.Count);
}
}
return(new DummyObject());
}