public static UndertaleChunk Unserialize(UndertaleReader reader)
{
string name = "(unknown)";
try
{
name = reader.ReadChars(4);
uint length = reader.ReadUInt32();
// TODO: I can't think of a cleaner way to do this...
Type type = Type.GetType(typeof(UndertaleChunk).FullName + name);
if (type == null)
{
throw new IOException("Unknown chunk " + name + "!!!");
/*Debug.WriteLine("Unknown chunk " + name + "!!!");
* reader.Position = reader.Position + length;
* return null;*/
}
UndertaleChunk chunk = (UndertaleChunk)Activator.CreateInstance(type);
Debug.Assert(chunk.Name == name);
chunk.Length = length;
reader.SubmitMessage("Reading chunk " + chunk.Name);
var lenReader = reader.EnsureLengthFromHere(chunk.Length);
chunk.UnserializeChunk(reader);
if (name != "FORM" && name != reader.LastChunkName)
{
UndertaleGeneralInfo generalInfo = name == "GEN8" ? ((UndertaleChunkGEN8)chunk).Object : reader.undertaleData.GeneralInfo;
// These versions introduced new padding
// all chunks now start on 16-byte boundaries
// (but the padding is included with length of previous chunk)
if (generalInfo.Major >= 2 || (generalInfo.Major == 1 && generalInfo.Build >= 9999))
{
int e = reader.undertaleData.PaddingAlignException;
uint pad = (e == -1 ? 16 : (uint)e);
while (reader.Position % pad != 0)
{
if (reader.ReadByte() != 0)
{
reader.Position -= 1;
if (reader.Position % 4 == 0)
{
reader.undertaleData.PaddingAlignException = 4;
}
else
{
reader.undertaleData.PaddingAlignException = 1;
}
break;
}
}
}
}
lenReader.ToHere();
return(chunk);
}
catch (UndertaleSerializationException e)
{
throw new UndertaleSerializationException(e.Message + " in chunk " + name, e);
}
catch (Exception e)
{
throw new UndertaleSerializationException(e.Message + "\nat " + reader.Position.ToString("X8") + " while reading chunk " + name, e);
}
}
