public Item(FileInfo file, Object obj) :
this(UTinyBuildPipeline.GetRelativePath(file), file?.Length ?? 0, obj)
{
if (file == null)
{
throw new ArgumentNullException(nameof(file));
}
if (!file.Exists)
{
throw new FileNotFoundException("file");
}
if (file.Exists && file.Length > 0)
{
CompressedSize = GetCompressedSize(file);
if (CompressedSize == 0)
{
throw new Exception("GetCompressedSize(file)");
}
}
}
/// <summary>
/// Packages assets to `assets.js` or `Assets/*.*`
/// </summary>
private static void PackageAssets(UTinyBuildOptions options, UTinyBuildResults results)
{
var buildFolder = options.Destination;
var binFolder = results.BinaryFolder;
// Export assets to the build directory
var buildAssetsFolder = new DirectoryInfo(Path.Combine(buildFolder.FullName, "Assets"));
buildAssetsFolder.Create();
var export = UTinyAssetExporter.Export(options.Project, buildAssetsFolder);
// copy assets to bin AND/OR encode assets to 'assets.js'
var binAssetsFolder = new DirectoryInfo(Path.Combine(binFolder.FullName, "Assets"));
binAssetsFolder.Create();
var assetsFile = new FileInfo(Path.Combine(binFolder.FullName, KAssetsFileName));
var writer = new UTinyCodeWriter();
PrependGeneratedHeader(writer, options.Project.Name);
var reportAssets = results.BuildReport.AddChild(UTinyBuildReport.AssetsNode);
var reportJavaScript = reportAssets.AddChild("JavaScript");
using (var jsdoc = new UTinyJsdoc.Writer(writer))
{
jsdoc.Type("object");
jsdoc.Desc("Map containing URLs for all assets. If assets are included as base64 blobs, these will be data URLs.");
jsdoc.Line("@example var assetUrl = UT_ASSETS[\"MyCustomAsset\"]");
}
long totalBase64Size = 0;
using (writer.Scope("var UT_ASSETS ="))
{
var i = 0;
foreach (var info in export)
{
var reportAsset = reportAssets.AddChild(info.AssetInfo.AssetPath, 0, info.AssetInfo.Object);
var settings = UTinyUtility.GetAssetExportSettings(options.Project, info.AssetInfo.Object);
if (settings.Embedded)
{
foreach (var file in info.Exported)
{
var buffer = File.ReadAllBytes(file.FullName);
var base64 = Convert.ToBase64String(buffer);
var fileExtension = Path.GetExtension(file.FullName).ToLower();
string mimeType;
switch (fileExtension)
{
case ".png":
mimeType = "image/png";
break;
case ".jpg":
case ".jpeg":
mimeType = "image/jpeg";
break;
case ".webp":
mimeType = "image/webp";
break;
case ".mp3":
mimeType = "audio/mpeg";
break;
case ".wav":
mimeType = "audio/wav";
break;
case ".json":
mimeType = "application/json";
break;
case ".ttf":
mimeType = "font/truetype";
break;
default:
Debug.LogWarningFormat("Asset {0} has unknown extension, included as text/plain in assets", file);
mimeType = "text/plain";
break;
}
var comma = i != 0 ? "," : "";
writer.Line($"{comma}\"{Path.GetFileNameWithoutExtension(file.Name)}\": \"data:{mimeType};base64,{base64}\"");
i++;
reportAsset.AddChild(UTinyBuildPipeline.GetRelativePath(file), Encoding.ASCII.GetBytes(base64), info.AssetInfo.Object);
totalBase64Size += base64.Length;
file.Delete();
}
}
else
{
foreach (var file in info.Exported)
{
var comma = i != 0 ? "," : "";
writer.Line($"{comma}\"{Path.GetFileNameWithoutExtension(file.Name)}\": \"Assets/{file.Name}\"");
i++;
reportAsset.AddChild(file, info.AssetInfo.Object);
}
}
}
}
writer.Line();
writer.WriteRaw("var UT_ASSETS_SETUP = ");
{
var registry = new UTinyRegistry();
UTinyPersistence.LoadAllModules(registry);
var entityGroup = UTinyAssetEntityGroupGenerator.Generate(registry, options.Project);
EntityGroupSetupVisitor.WriteEntityGroupSetupFunction(writer, options.Project, entityGroup, false, false);
}
// Write `assets.js`
File.WriteAllText(assetsFile.FullName, writer.ToString());
reportJavaScript.Item.Size = assetsFile.Length - totalBase64Size;
// Remaining assets are binplaced
foreach (var info in export)
{
foreach (var file in info.Exported)
{
if (!file.Exists)
{
// this asset has been packaged already
continue;
}
file.MoveTo(Path.Combine(binAssetsFolder.FullName, file.Name));
}
}
// Clean up the build directory
buildAssetsFolder.Delete(true);
// if we have no standalone assets, cleanup
if (binAssetsFolder.GetFiles().Length <= 0)
{
binAssetsFolder.Delete();
}
}