public static Dictionary <int, AppInfo> LoadFromFile(string path)
{
using (var file = new FileStream(path, FileMode.Open, FileAccess.Read))
{
using (var reader = new BinaryReader(file))
{
var apps = new Dictionary <int, AppInfo>();
var version = reader.ReadInt32();
var universe = reader.ReadInt32();
while (true)
{
var appId = reader.ReadInt32();
if (appId == 0)
{
break;
}
var appInfo = new AppInfo();
apps.Add(appId, appInfo);
var appHeader = new AppInfo.AppState()
{
Size = reader.ReadInt32(),
State = reader.ReadInt32(),
LastUpdate = reader.ReadInt32(),
AccessToken = reader.ReadUInt64(),
Checksum = reader.ReadBytes(20),
ChangeNumber = reader.ReadInt32()
};
appInfo.Header = appHeader;
var appSections = new DataFieldList();
while (true)
{
var sectionId = reader.ReadByte();
if (sectionId == 0)
{
break;
}
// Skip the 0x00 byte before section name.
reader.ReadByte();
var sectionName = reader.BaseStream.ReadNullTermString(Encoding.UTF8);
appSections.Add(new DataField(sectionName, parseAppSection(reader, true)));
}
appInfo.Sections = appSections;
}
return(apps);
}
}
}
public DataField(string name, DataFieldList data)
{
Name = name;
ListData = data;
}
static DataFieldList parseAppSection(BinaryReader reader, bool root)
{
var data = new DataFieldList();
while (true)
{
var valueType = (ValueType)reader.ReadByte();
if (valueType == ValueType.End)
{
// There's one additional 0x08 byte at the end of the root subsection.
if (root)
{
reader.ReadByte();
}
break;
}
var key = reader.BaseStream.ReadNullTermString(Encoding.UTF8);
var section = new DataField(key);
switch (valueType)
{
case ValueType.None:
{
section.ListData = parseAppSection(reader, false);
break;
}
case ValueType.String:
{
section.StringData = reader.BaseStream.ReadNullTermString(Encoding.UTF8);
break;
}
case ValueType.WideString:
{
throw new Exception("Failed to read steam data, WideString found.");
}
case ValueType.Int32:
{
section.IntData = reader.ReadInt32();
break;
}
case ValueType.Color:
{
section.IntData = reader.ReadInt32();
break;
}
case ValueType.Pointer:
{
section.IntData = reader.ReadInt32();
break;
}
case ValueType.UInt64:
{
section.UlongData = reader.ReadUInt64();
break;
}
case ValueType.Float32:
{
var buff = new byte[8];
reader.Read(buff, 0, 4);
section.FloatData = BitConverter.ToSingle(buff, 0);
break;
}
}
data.Add(section);
}
return(data);
}