/// <summary>
/// Makes this section out of a byte array. This assumes the start of the byte array is the start of the section.
/// </summary>
/// <param name="inputData">The byte array</param>
public static SectionDIDX MakeSectionFromByteArray(byte[] inputData)
{
string name = ConvertFourBytesToString(inputData);
if (name != SECTION_IDENTITY)
{
throw new InvalidCastException("The specified byte array is not of the type " + SECTION_IDENTITY + "(Got " + name + ")");
}
SectionDIDX sect = new SectionDIDX();
sect.Identity = name;
sect.Length = BitConverter.ToUInt32(inputData, 4);
// This is where things get a tad bit complex? Not really.
// Basically, every "data block" or, as I call it here, WEM File Identity, is 12 bytes long.
List <WEMFileIdentity> identities = new List <WEMFileIdentity>();
for (int idx = 8; idx < sect.Length; idx += 12)
{
WEMFileIdentity identity = new WEMFileIdentity();
// The 12 bytes are made up of three uints (each taking 4 bytes, of course).
identity.WemID = BitConverter.ToUInt32(inputData, idx); // This is the ID of the WEM file, that long string of numbers you get for the filename specifically.
identity.Offset = BitConverter.ToUInt32(inputData, idx + 4); // This is where it is in the DATA section.
identity.Size = BitConverter.ToUInt32(inputData, idx + 8); // And this is how big the file is.
// Using all of these we can map out the specific locations of WEM files (See SectionDATA.GetWemFile for example)
identities.Add(identity);
}
sect.WEMFileIdentities = identities.ToArray();
return(sect);
}
// <summary>
// Every WEM file in this BNK file as a distinct object. Do not reference this until calling <seealso cref="PopulateWEMFileArray(SectionDIDX)"/>
// </summary>
//public WEMFile[] WEMFiles = null;
/// <summary>
/// Gets a specific WEM file from a WEMFileIdentity. This returns the byte array representing the file. See <seealso cref="WEMFiles"/> for a list of distinct objects.<para/>
/// Editing the contents of this byte array will not modify the data inside of the BNK. See <seealso cref="WEMMarshaller"/> for managing and updating WEM files.
/// </summary>
/// <param name="identity">The WEMFileIdentity that represents the target WEM file.</param>
/// <returns></returns>
public byte[] GetWEMFile(WEMFileIdentity identity)
{
return(RawAllWEMFiles.Skip((int)identity.Offset).Take((int)identity.Size).ToArray());
}
