internal override void UnserializeChunk(UndertaleReader reader)
{
Chunks.Clear();
uint startPos = reader.Position;
// First, find the last chunk in the file because of padding changes
// (also, calculate all present chunks while we're at it)
reader.AllChunkNames = new List <string>();
string lastChunk = "";
while (reader.Position < reader.Length)
{
lastChunk = reader.ReadChars(4);
reader.AllChunkNames.Add(lastChunk);
uint length = reader.ReadUInt32();
reader.SmallReadAt(reader.Position + length, 8);
}
reader.LastChunkName = lastChunk;
reader.Position = startPos;
reader.GMS2_3 = reader.AllChunkNames.Contains("SEQN");
reader.undertaleData.GMS2_3 = reader.GMS2_3;
// Now, parse the chunks
while (reader.Position < startPos + Length)
{
UndertaleChunk chunk = reader.ReadUndertaleChunk();
if (chunk != null)
{
if (Chunks.ContainsKey(chunk.Name))
{
throw new IOException("Duplicate chunk " + chunk.Name);
}
Chunks.Add(chunk.Name, chunk);
}
}
}