private static void BuildPackage(ProgramArgs args, BuildConfigPackage buildConfigPackage)
{
var packageBasePath = Path.Combine(Path.GetDirectoryName(args.BuildConfigPath) ?? "", "src", buildConfigPackage.SourceName);
var packageConfigPath = Path.Combine(packageBasePath, "config.json");
if (!File.Exists(packageConfigPath))
{
throw new Exception($"Could not find config file for package {buildConfigPackage.SourceName} ({buildConfigPackage.DistributionName}): looking for {packageConfigPath}");
}
var packageConfig = Serialization.Deserialize <PackageConfig>(File.ReadAllText(packageConfigPath));
var masterKey = new byte[0];
Console.WriteLine($"Building: {buildConfigPackage.SourceName} ({buildConfigPackage.DistributionName})");
var outPath = Path.Combine(args.OutPath, buildConfigPackage.DistributionName + ".mods");
using var fs = File.Open(outPath, FileMode.Create, FileAccess.Write);
using var ms = new MemoryStream();
var packageHeader = new PackageHeader
{
Magic = 0x4459495A,
CompilationTimestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds(),
EncryptionEnabled = packageConfig.EncryptFiles
};
if (packageConfig.EncryptFiles)
{
packageHeader.KeyLength = KeyLength;
masterKey = CryptUtil.GenerateKey(KeyLength);
}
BinaryUtils.MarshalStruct(ms, packageHeader);
if (packageConfig.EncryptFiles)
{
byte[] xorTable =
{
0x94, 0xce, 0xc3, 0xae, 0x73, 0xf9, 0xf1, 0xb9
};
for (var i = 0; i < masterKey.Length; i++)
{
ms.WriteByte((byte)(masterKey[i] ^ xorTable[i % xorTable.Length]));
}
}
using (var zipFile = new ZipFile())
{
if (packageConfig.EncryptFiles)
{
zipFile.Encryption = EncryptionAlgorithm.WinZipAes256;
zipFile.Password = Encoding.ASCII.GetString(masterKey);
}
foreach (var packageConfigEntry in packageConfig.Entries)
{
ProcessPackageEntry(args, packageConfigEntry, buildConfigPackage, zipFile);
}
Console.WriteLine($"Saving: {buildConfigPackage.SourceName} ({buildConfigPackage.DistributionName})");
zipFile.Save(ms);
}
Console.WriteLine($"Flushing: {buildConfigPackage.SourceName} ({buildConfigPackage.DistributionName}) -> {outPath}");
ms.Position = 0;
ms.CopyTo(fs);
}
private static void ProcessFileEntry(ProgramArgs args, PackageEntry packageConfigEntry, BuildConfigPackage buildConfigPackage,
ZipFile zipFile)
{
var dirName = Path.GetDirectoryName(packageConfigEntry.GamePath);
if (!string.IsNullOrWhiteSpace(dirName))
{
var newDirName = dirName;
if (!newDirName.EndsWith("/"))
{
newDirName += "/";
}
if (zipFile[newDirName] == null)
{
zipFile.AddDirectoryByName(newDirName);
}
}
var packageBasePath = Path.Combine(Path.GetDirectoryName(args.BuildConfigPath) ?? "", "src", buildConfigPackage.SourceName);
var path = Path.Combine(packageBasePath, packageConfigEntry.LocalPath);
if (!File.Exists(path))
{
throw new Exception($"Package {buildConfigPackage.SourceName}: Directory {path} does not exist");
}
var data = File.ReadAllBytes(path);
zipFile.AddEntry(packageConfigEntry.GamePath, data);
}
private static void ProcessDirectoryEntry(ProgramArgs args, PackageEntry packageConfigEntry, BuildConfigPackage buildConfigPackage,
ZipFile zipFile)
{
var packageBasePath = Path.Combine(Path.GetDirectoryName(args.BuildConfigPath) ?? "", "src", buildConfigPackage.SourceName);
var directoryPath = Path.Combine(packageBasePath, packageConfigEntry.LocalPath);
if (!Directory.Exists(directoryPath))
{
throw new Exception($"Package {buildConfigPackage.SourceName}: Directory {directoryPath} does not exist");
}
Console.WriteLine($"Read files from {directoryPath}...");
zipFile.AddDirectory(directoryPath, packageConfigEntry.GamePath);
}
private static void ProcessPackageEntry(ProgramArgs args, PackageEntry packageConfigEntry, BuildConfigPackage buildConfigPackage,
ZipFile zipFile)
{
switch (packageConfigEntry.Type)
{
// check entry type. if we're working with a file, just write the data - otherwise, create a hierarchy
case PackageEntryType.File:
ProcessFileEntry(args, packageConfigEntry, buildConfigPackage, zipFile);
break;
case PackageEntryType.Directory:
ProcessDirectoryEntry(args, packageConfigEntry, buildConfigPackage, zipFile);
break;
default:
throw new ArgumentOutOfRangeException();
}
}