private VLTBase ReadChunk(BinaryReader br)
{
if (br.BaseStream.Position == br.BaseStream.Length)
{
return(null);
}
VLTChunk chunk = new VLTChunk();
chunk.Read(br);
if (chunk.IsValid)
{
VLTBase vltbase = null;
switch (chunk.ChunkId)
{
case VLTChunkId.Dependency:
vltbase = new VLTDependency();
break;
case VLTChunkId.Strings:
vltbase = new VLTRaw();
break;
case VLTChunkId.Data:
vltbase = new VLTRaw();
break;
case VLTChunkId.Expression:
vltbase = new VLTExpression();
break;
case VLTChunkId.Pointers:
vltbase = new VLTPointers();
break;
default:
vltbase = new VLTRaw();
break;
}
vltbase.Chunk = chunk;
vltbase.Read(br);
chunk.SkipChunk(br.BaseStream);
return(vltbase);
}
else
{
return(null);
}
}
private void WriteChunk(BinaryWriter bw, VLTBase vltbase)
{
long position = bw.BaseStream.Position;
bw.BaseStream.Seek(8, SeekOrigin.Current);
vltbase.Write(bw);
long endPosition = bw.BaseStream.Position;
if ((endPosition % 0x10) != 0)
{
endPosition += 0x10 - (endPosition % 0x10);
}
vltbase.Chunk.Length = (int)(endPosition - position);
bw.BaseStream.Seek(position, SeekOrigin.Begin);
vltbase.Chunk.Write(bw);
bw.BaseStream.Seek(endPosition, SeekOrigin.Begin);
}
