static void Main(string[] args)
{
if (args.Length < 2)
{
Console.WriteLine("Please pass arguments in the form of \"./AssetPackager AssetFolderName outputfilename.dat\"");
Console.WriteLine("If you're using custom asset loaders, use \"./AssetPackager AssetFolderName outputfilename.dat loaderlibrary.dll\"");
Console.WriteLine("Aborting build.");
return;
}
string inputFolder = args[0];
string outputFile = args[1];
if (args.Length > 2)
{
string assemblyPath = args[2];
AssetLoaderResolver.AddAssembly(LoadPlugin(assemblyPath));
}
AssetLoaderResolver.InitializeAndFindAssetWriters();
if (!Directory.Exists(inputFolder))
{
Console.WriteLine("Please ensure that the input folder is a valid path.");
Console.WriteLine("Aborting build.");
return;
}
List <FileInfo> inputFiles = ExploreFolder(inputFolder);
List <FileInfo> supportedFiles = new List <FileInfo>();
HashSet <string> inUseAssetNames = new HashSet <string>();
foreach (FileInfo inputFile in inputFiles)
{
if (AssetLoaderResolver.SupportedExtension(inputFile.Extension))
{
Console.WriteLine($"Found file: {inputFile}.");
if (inUseAssetNames.Contains(AssetFileHelpers.GetAssetName(inputFile)))
{
Console.WriteLine($"Duplicate asset name found! {inputFile.FullName} collides with {supportedFiles.First(x => AssetFileHelpers.GetAssetName(x) == AssetFileHelpers.GetAssetName(inputFile)).FullName}");
Console.WriteLine("Aborting build.");
return;
}
supportedFiles.Add(inputFile);
inUseAssetNames.Add(AssetFileHelpers.GetAssetName(inputFile));
}
else
{
Console.WriteLine($"Found unsupported file: {inputFile}.");
}
}
Console.WriteLine("\n\nStarting build...\n\n");
using FileStream outputFileStream = File.OpenWrite(outputFile);
AssetPackageWriter.WriteAssetPackage(outputFileStream, supportedFiles, true);
}
public static void WriteAssetPackage(FileStream outputFileStream, IList <FileInfo> inputFiles,
bool useCache)
{
using BinaryWriter headerWriter = new BinaryWriter(outputFileStream, Encoding.UTF8);
//Write amount of assets
headerWriter.Write(inputFiles.Count);
headerWriter.Flush();
foreach (FileInfo file in inputFiles)
{
var writer = AssetLoaderResolver.FindAssetWriter(file.Extension);
var metaFile = AssetFileHelpers.GetMetaFile(file);
IAssetMeta meta = new JsonAssetMeta();
writer.GetDefaultMeta(meta);
if (metaFile.Exists)
{
using var fs = metaFile.OpenRead();
meta.ReadFromStream(fs);
}
Stopwatch watch = new Stopwatch();
watch.Start();
Console.WriteLine($"Processing file: {file}.");
using MemoryStream uncompressedOutput = new MemoryStream();
using MemoryStream compressedOutput = new MemoryStream();
if (AssetCacher.HasCachedFile(file, meta) && useCache)
{
AssetCacher.LoadCachedFile(file, meta, uncompressedOutput);
Console.WriteLine("Cached found!");
}
else
{
Console.WriteLine("No cached asset found");
writer.LoadAndWriteToStream(file, meta, uncompressedOutput);
AssetCacher.SaveCachedFile(file, meta, uncompressedOutput);
}
Console.WriteLine($"Processing took: {watch.ElapsedMilliseconds} milliseconds.");
watch.Restart();
Console.WriteLine("Compressing...");
using DeflateStream deflate = new DeflateStream(compressedOutput, CompressionLevel.Optimal, true);
uncompressedOutput.Seek(0, SeekOrigin.Begin);
uncompressedOutput.CopyTo(deflate);
deflate.Flush();
string assetName = AssetFileHelpers.GetAssetName(file);
System.Type assetType = writer.GetAssetType();
long length = uncompressedOutput.Length;
long compressedLength = compressedOutput.Length;
AssetHeader.WriteAssetHeader(headerWriter, assetName, assetType, AssetCompression.Deflate, length, compressedLength);
compressedOutput.Seek(0, SeekOrigin.Begin);
compressedOutput.CopyTo(outputFileStream);
watch.Stop();
Console.WriteLine($"Compression took: {watch.ElapsedMilliseconds} milliseconds.");
}
}