/// <summary>
/// 如果文件是STFS包，获取该包生成时的识别符
/// </summary>
/// <returns>返回STFS包生成时的识别符</returns>
public byte[] ConsoleID()
{
Streams.Reader sReader = new Streams.Reader(PackageStream);
sReader.BaseStream.Position = (long)Geometry.STFSOffsets.ConsoleID;
return(sReader.ReadBytes(0x5));
}
/// <summary>
/// 如果文件是STFS包，获取包的ICON(非游戏ICON)
/// </summary>
/// <returns>返回STFS包的ICON</returns>
public System.Drawing.Image ContentIcon()
{
int sSize = 0;
// Get a new reader for this file
Streams.Reader sReader = new Streams.Reader(PackageStream);
sReader.BaseStream.Position = (long)Geometry.STFSOffsets.ContentImageSize;
sReader.BaseStream.Position = (long)Geometry.STFSOffsets.ContentImage;
sSize = sReader.ReadInt32();
try
{
return(System.Drawing.Image.FromStream(new System.IO.MemoryStream(sReader.ReadBytes(sSize))));
}
catch
{
return(null);
}
}
/// <summary>
/// 计算文件魔数(Magic Number)，确认文件的类型
/// CON/LIVE/PIRS/NIGR 类型
/// </summary>
public bool IsSTFSPackage()
{
// 1010 0000 0000 0000
if (PackageStream.Length >= 0xA000)
{
uint sVal = 0;
Streams.Reader sReader = new Streams.Reader(PackageStream);
sReader.BaseStream.Position = 0;
// 512 Bytes
byte[] Buffer = sReader.ReadBytes(0x200);
sReader = new Streams.Reader(new System.IO.MemoryStream(Buffer));
sVal = sReader.ReadUInt32();
switch (sVal)
{
// CON 1010 0011 0100 1111 0100 1110 0010 0000
case 0x434F4E20:
return(true);
// LIVE 0100 1100 0100 1001 0101 0110 0100 0101
case 0x4C495645:
return(true);
// PIRS 0101 0000 0100 1001 0101 0010 0101 0011
case 0x50495253:
return(true);
// NIGR
default:
return(true);
}
}
else
{
return(false);
}
}