/// <summary>
/// Default constructor.
/// </summary>
/// <param name="count">The initial number of entries in the tlk file.</param>
public Tlk(int count)
{
name = string.Empty;
header = new TlkHeader();
resRefs = new RawResRef[count];
strings = new string[count];
header.fileType = tlkFile;
header.fileVersion = tlkVersion;
header.stringCount = count;
header.stringOffset = 0;
for (int i = 0; i < count; i++)
{
resRefs[i] = new RawResRef();
resRefs[i].flags = (int) ResRefFlags.None;
resRefs[i].offsetToString = 0;
resRefs[i].pitchVariance = 0;
resRefs[i].soundLength = 0;
resRefs[i].soundResRef = string.Empty;
resRefs[i].stringSize = 0;
resRefs[i].volumeVariance = 0;
strings[i] = string.Empty;
}
}
/// <summary>
/// Private constructor, instances of this class must
/// </summary>
private Tlk()
{
header = new TlkHeader();
resRefs = null;
strings = null;
}
/// <summary>
/// Deserializes the RawResRef array from the given byte array.
/// </summary>
/// <param name="bytes"></param>
private void DeserializeRawResRefs(byte[] bytes)
{
// Alloc a hglobal to store the bytes.
IntPtr buffer = Marshal.AllocHGlobal(RawResRefSize);
try
{
// Create a RawResRef array for all of the entries and loop
// through the array populating it.
resRefs = new RawResRef[header.stringCount];
for (int i = 0; i < resRefs.Length; i++)
{
// Copy the bytes of the i'th RawResRef to unprotected memory
// and convert it to a RawResRef structure.
Marshal.Copy(bytes, i * RawResRefSize, buffer, RawResRefSize);
object o = Marshal.PtrToStructure(buffer, typeof(RawResRef));
resRefs[i] = (RawResRef) o;
}
}
finally
{
// Free the hglobal before exiting.
Marshal.FreeHGlobal(buffer);
}
}
/// <summary>
/// Pads the tlk to have at least the specified number of entries. If the tlk file
/// has less entries than what is given, blank entries are inserted to pad.
/// </summary>
/// <param name="length">The new number of entries</param>
public void Pad(int length)
{
// If the tlk file is larger than the pad count then do nothing.
if (header.stringCount >= length) return;
// Add blank entries to the tlk file to pad.
RawResRef[] padded = new RawResRef[length];
resRefs.CopyTo(padded, 0);
for (int i = resRefs.Length; i < padded.Length; i++)
{
padded[i].flags = 0;
padded[i].offsetToString = 0;
padded[i].pitchVariance = 0;
padded[i].stringSize = 0;
padded[i].volumeVariance = 0;
padded[i].soundLength = 0.0f;
padded[i].soundResRef = string.Empty;
}
string[] paddedStrings = new string[length];
paddedStrings.CopyTo(strings, 0);
for (int i = strings.Length; i < paddedStrings.Length; i++)
paddedStrings[i] = string.Empty;
// Save the new RawResRef array and update the number of entries in
// the header.
header.stringCount = length;
resRefs = padded;
strings = paddedStrings;
}
