/// <summary>Function to determine if there are any existing files that match the texture names or sprite names.</summary>
/// <param name="atlas">The texture atlas to evaluate.</param>
/// <returns>
/// <b>true</b> if there are any sprites or textures with the same name in the output area, or <b>false</b> if not.</returns>
public bool HasExistingFiles(GorgonTextureAtlas atlas)
{
string directory = Path.GetDirectoryName(atlas.Textures[0].Texture.Name).FormatDirectory('/');
if (!_fileSystem.DirectoryExists(directory))
{
return(false);
}
foreach (GorgonTexture2DView texture in atlas.Textures)
{
if (_fileSystem.GetFile(texture.Texture.Name) != null)
{
return(true);
}
}
return(false);
}
/// <summary>Function to save the atlas data.</summary>
/// <param name="atlas">The atlas data to save.</param>
public void SaveAtlas(IReadOnlyDictionary <IContentFile, GorgonSprite> spriteFiles, GorgonTextureAtlas atlas)
{
IGorgonImage image = null;
string directory = Path.GetDirectoryName(atlas.Textures[0].Texture.Name).FormatDirectory('/');
Stream outStream = null;
try
{
_fileSystem.BeginBatch();
if (!_fileSystem.DirectoryExists(directory))
{
_fileSystem.CreateDirectory(directory);
}
void WriteImageFile(Stream stream) => _defaultImageCodec.SaveToStream(image, stream);
// Check the files to ensure they're not open for editing.
foreach (GorgonTexture2DView texture in atlas.Textures)
{
IContentFile textureFile = _fileSystem.GetFile(texture.Texture.Name);
if ((textureFile != null) && (textureFile.IsOpen))
{
throw new IOException(string.Format(Resources.GORTAG_ERR_IMAGE_OPEN, textureFile.Path));
}
}
foreach ((GorgonSprite original, GorgonSprite sprite) in atlas.Sprites)
{
IContentFile oldFile = spriteFiles.FirstOrDefault(item => item.Value == original).Key;
if ((oldFile != null) && (oldFile.IsOpen))
{
throw new IOException(string.Format(Resources.GORTAG_ERR_IMAGE_OPEN, oldFile.Path));
}
}
// Write textures.
foreach (GorgonTexture2DView texture in atlas.Textures)
{
image = texture.Texture.ToImage();
_fileSystem.WriteFile(texture.Texture.Name, WriteImageFile);
image.Dispose();
}
// Write out the updated sprites.
foreach ((GorgonSprite original, GorgonSprite sprite) in atlas.Sprites)
{
IContentFile oldTextureFile = null;
IContentFile textureFile = _fileSystem.GetFile(sprite.Texture.Texture.Name);
IContentFile oldFile = spriteFiles.FirstOrDefault(item => item.Value == original).Key;
if (oldFile.Metadata.DependsOn.TryGetValue(CommonEditorContentTypes.ImageType, out string oldTexturePath))
{
oldTextureFile = _fileSystem.GetFile(oldTexturePath);
}
outStream = oldFile.OpenWrite();
_defaultSpriteCodec.Save(sprite, outStream);
textureFile.LinkContent(oldFile);
oldTextureFile?.UnlinkContent(oldFile);
oldFile.RefreshMetadata();
oldFile.Refresh();
outStream.Dispose();
}
}
finally
{
outStream?.Dispose();
image?.Dispose();
_fileSystem.EndBatch();
}
}
