private void SaveCache(ulong build)
{
if (CacheFileExists(build))
{
return;
}
using (Stream file = File.OpenWrite(CacheFile(build)))
using (LZ4Stream lz4Stream = new LZ4Stream(file, LZ4StreamMode.Compress, LZ4StreamFlags.HighCompression))
using (BinaryWriter writer = new BinaryWriter(lz4Stream)) {
writer.Write(APM_VERSION);
writer.WriteStructArray(Packages);
for (int i = 0; i < PackageEntries.Length; ++i)
{
writer.Write(Records[i].Length);
Types.CachePackageRecord[] cacheRecords = new Types.CachePackageRecord[Records[i].Length];
for (int j = 0; j < Records[i].Length; j++)
{
Types.PackageRecord record = Records[i][j];
cacheRecords[j] = new Types.CachePackageRecord {
Index = CMF.IndexMap[record.GUID],
Flags = record.Flags,
Offset = record.Offset,
Size = record.Size
};
}
writer.WriteStructArray(cacheRecords);
writer.Write(PackageSiblings[i].Length);
writer.WriteStructArray(PackageSiblings[i]);
}
}
}
private bool LoadCache(ulong build)
{
if (!CacheFileExists(build))
{
return(false);
}
using (Stream file = File.OpenRead(CacheFile(build)))
using (LZ4Stream lz4Stream = new LZ4Stream(file, LZ4StreamMode.Decompress))
using (BinaryReader reader = new BinaryReader(lz4Stream)) {
if (reader.ReadUInt64() != APM_VERSION)
{
return(false);
}
int packageEntryCount = PackageEntries.Length;
Packages = reader.ReadArray <Types.Package>(packageEntryCount);
Records = new Types.PackageRecord[packageEntryCount][];
PackageSiblings = new ulong[packageEntryCount][];
Types.CachePackageRecord[][] cacheRecords = new Types.CachePackageRecord[packageEntryCount][];
for (int i = 0; i < packageEntryCount; i++)
{
int recordCount = reader.ReadInt32();
cacheRecords[i] = reader.ReadArray <Types.CachePackageRecord>(recordCount);
int siblingCount = reader.ReadInt32();
PackageSiblings[i] = reader.ReadArray <ulong>(siblingCount);
}
Parallel.For(0, packageEntryCount, new ParallelOptions {
MaxDegreeOfParallelism = CASCConfig.MaxThreads
}, i =>
{
Types.CachePackageRecord[] cache = cacheRecords[i];
Records[i] = new Types.PackageRecord[cache.Length];
Types.Package package = Packages[i];
MD5Hash bundleLoadHash;
if (package.BundleGUID != 0)
{
bundleLoadHash = CMF.Map[package.BundleGUID].HashKey;
}
for (int j = 0; j < cache.Length; j++)
{
Types.CachePackageRecord cacheRecord = cache[j];
ContentManifestFile.HashData cmfRecord = CMF.HashList[cacheRecord.Index];
Types.PackageRecord record = new Types.PackageRecord {
GUID = cmfRecord.GUID,
Size = cacheRecord.Size,
Flags = cacheRecord.Flags,
Offset = cacheRecord.Offset
};
if ((record.Flags & ContentFlags.Bundle) != 0)
{
record.LoadHash = bundleLoadHash;
}
else
{
record.LoadHash = cmfRecord.HashKey;
}
if (!FirstOccurence.ContainsKey(record.GUID))
{
FirstOccurence.TryAdd(record.GUID, record);
}
Records[i][j] = record;
}
});
}
return(true);
}
