private void ReadIndexTable()
{
if (stream.Length == 0)
{
indexOffset = sizeof(int) * 4;
index.Clear();
return;
}
stream.Seek(0, SeekOrigin.Begin);
var signature = reader.ReadInt32();
if (signature != Signature)
{
throw new Exception($"The asset bundle at \"{Path}\" has been corrupted");
}
reader.ReadInt32(); // CheckSum
var version = reader.ReadInt32();
if (version != Lime.Version.GetBundleFormatVersion())
{
throw new Exception(string.Format("The bundle format has been changed. Please update Citrus and rebuild game.\n" +
"Bundle format version: {0}, but expected: {1}", version, Lime.Version.GetBundleFormatVersion()));
}
indexOffset = reader.ReadInt32();
stream.Seek(indexOffset, SeekOrigin.Begin);
int numDescriptors = reader.ReadInt32();
index.Clear();
for (int i = 0; i < numDescriptors; i++)
{
var desc = new AssetDescriptor();
string name = reader.ReadString();
desc.ModificationTime = DateTime.FromBinary(reader.ReadInt64());
ushort sha1Length = reader.ReadUInt16();
if (sha1Length != 0)
{
desc.CookingRulesSHA1 = reader.ReadBytes(sha1Length);
}
desc.Offset = reader.ReadInt32();
desc.Length = reader.ReadInt32();
desc.AllocatedSize = reader.ReadInt32();
desc.Attributes = (AssetAttributes)reader.ReadInt32();
desc.SourceExtension = reader.ReadString();
index.Add(name, desc);
}
}
