/// <summary>
/// Gets the generation of the Pokemon data.
/// </summary>
/// <param name="data">Raw data representing a Pokemon.</param>
/// <returns>An integer indicating the generation of the PKM file, or -1 if the data is invalid.</returns>
public static int GetPKMDataFormat(byte[] data)
{
if (!PKX.IsPKM(data.Length))
{
return(-1);
}
switch (data.Length)
{
case PKX.SIZE_1JLIST:
case PKX.SIZE_1ULIST:
return(1);
case PKX.SIZE_2ULIST:
case PKX.SIZE_2JLIST:
return(2);
case PKX.SIZE_3PARTY:
case PKX.SIZE_3STORED:
case PKX.SIZE_3CSTORED:
case PKX.SIZE_3XSTORED:
return(3);
case PKX.SIZE_4PARTY:
case PKX.SIZE_4STORED:
case PKX.SIZE_5PARTY:
if ((BitConverter.ToUInt16(data, 0x4) == 0) && (BitConverter.ToUInt16(data, 0x80) >= 0x3333 || data[0x5F] >= 0x10) && BitConverter.ToUInt16(data, 0x46) == 0) // PK5
{
return(5);
}
return(4);
case PKX.SIZE_6STORED:
return(6);
case PKX.SIZE_6PARTY: // collision with PGT, same size.
if (BitConverter.ToUInt16(data, 0x4) != 0) // Bad Sanity?
{
return(-1);
}
if (BitConverter.ToUInt32(data, 0x06) == PKX.GetCHK(data))
{
return(6);
}
if (BitConverter.ToUInt16(data, 0x58) != 0) // Encrypted?
{
for (int i = data.Length - 0x10; i < data.Length; i++) // 0x10 of 00's at the end != PK6
{
if (data[i] != 0)
{
return(6);
}
}
return(-1);
}
return(6);
}
return(-1);
}
