/// <summary>
/// Loads the images specified by an atlas description.
/// </summary>
private static IEnumerable <TextureAtlasImage> LoadImages(ContentManager content, IContentProcessorMetadata metadata, TextureAtlasDescription atlasDesc)
{
var result = new Dictionary <String, TextureAtlasImage>();
if (atlasDesc.Images != null)
{
foreach (var imageDesc in atlasDesc.Images)
{
var path = imageDesc.Path;
if (String.IsNullOrEmpty(path) || path.IndexOfAny(Path.GetInvalidPathChars()) >= 0)
{
throw new InvalidDataException(UltravioletStrings.InvalidTextureAtlasImagePath);
}
var name = imageDesc.Name;
if (path.Contains("*"))
{
if (name != null)
{
throw new InvalidDataException(UltravioletStrings.TextureAtlasWildcardsCannotBeNamed);
}
var files = ExpandFileExpression(content, ResolveDependencyAssetPath(metadata, Path.Combine(atlasDesc.Metadata.RootDirectory, path)));
foreach (var file in files)
{
var nameFile = Path.GetFileNameWithoutExtension(file);
var nameRoot = String.IsNullOrEmpty(Path.GetDirectoryName(path)) ? null : Path.GetDirectoryName(file)
.Replace(Path.DirectorySeparatorChar, '\\')
.Replace(Path.AltDirectorySeparatorChar, '\\');
name = String.IsNullOrEmpty(nameRoot) ? nameFile : nameRoot + "\\" + nameFile;
if (result.ContainsKey(name))
{
throw new InvalidOperationException(UltravioletStrings.TextureAtlasAlreadyContainsCell.Format(name));
}
var size = GetImageSize(content, file);
result[name] = new TextureAtlasImage(name, file, size);
}
}
else
{
name = name ?? path;
path = ResolveDependencyAssetPath(metadata, Path.Combine(atlasDesc.Metadata.RootDirectory, path));
if (result.ContainsKey(name))
{
throw new InvalidOperationException(UltravioletStrings.TextureAtlasAlreadyContainsCell.Format(name));
}
var size = GetImageSize(content, path);
result[name] = new TextureAtlasImage(name, path, size);
}
}
}
return(result.Any() ? result.Values.ToList() : null);
}
/// <summary>
/// Loads the texture atlas' images.
/// </summary>
/// <param name="content">The <see cref="ContentManager"/> with which to load images.</param>
/// <param name="images">The XML element that defines the set of images to load.</param>
/// <returns>A value indicating whether any images were loaded.</returns>
private Boolean LoadImages(ContentManager content, XElement images)
{
var imageList = new Dictionary<String, TextureAtlasImage>();
if (images != null)
{
foreach (var include in images.Elements("Include"))
{
var path = (String)include;
if (String.IsNullOrEmpty(path) || path.IndexOfAny(Path.GetInvalidPathChars()) >= 0)
throw new InvalidDataException(UltravioletStrings.InvalidTextureAtlasImagePath);
var name = include.AttributeValueString("Name");
if (path.Contains("*"))
{
if (name != null)
throw new InvalidDataException(UltravioletStrings.TextureAtlasWildcardsCannotBeNamed);
var files = ExpandFileExpression(content, Path.Combine(RootDirectory, path));
foreach (var file in files)
{
var nameFile = Path.GetFileNameWithoutExtension(file);
var nameRoot = String.IsNullOrEmpty(Path.GetDirectoryName(path)) ? null : Path.GetDirectoryName(file)
.Replace(Path.DirectorySeparatorChar, '\\')
.Replace(Path.AltDirectorySeparatorChar, '\\');
name = String.IsNullOrEmpty(nameRoot) ? nameFile : nameRoot + "\\" + nameFile;
if (imageList.ContainsKey(name))
throw new InvalidOperationException(UltravioletStrings.TextureAtlasAlreadyContainsCell.Format(name));
var size = GetImageSize(content, file);
imageList[name] = new TextureAtlasImage(name, file, size);
}
}
else
{
name = name ?? path;
path = Path.Combine(RootDirectory, path);
if (imageList.ContainsKey(name))
throw new InvalidOperationException(UltravioletStrings.TextureAtlasAlreadyContainsCell.Format(name));
var size = GetImageSize(content, path);
imageList[name] = new TextureAtlasImage(name, path, size);
}
}
}
this.imageList = imageList.Values.ToList();
return this.imageList.Any();
}