public static OTBNode ParseOTBTree(byte[] serializedTreeData)
{
var treeBuilder = new OTBTreeBuilder(serializedTreeData);
for (int i = 0; i < serializedTreeData.Length; i++)
{
var markupByte = (OTBMarkupByte)serializedTreeData[i];
switch (markupByte)
{
case OTBMarkupByte.Escape:
i++;
break;
case OTBMarkupByte.Start:
treeBuilder.AddNodeBegin(i + 1, OTBNodeType.NotSetYet);
break;
case OTBMarkupByte.End:
treeBuilder.AddNodeEnd(i);
break;
}
}
return(treeBuilder.BuildTree());
}
private static OTBNode ExtractOTBTree(byte[] serializedWorldData)
{
var stream = new ReadOnlyMemoryStream(serializedWorldData);
// Skipping the first 4 bytes coz they are used to store a... identifier?
stream.Skip(IdentifierLength);
var treeBuilder = new OTBTreeBuilder(serializedWorldData);
while (!stream.IsOver)
{
var currentMark = (OTBMarkupByte)stream.ReadByte();
if (currentMark < OTBMarkupByte.Escape)
{
/// Since <see cref="OTBMarkupByte"/> can only have values Escape (0xFD), Start (0xFE) and
/// End (0xFF), if currentMark < Escape, then it's just prop data
/// and we can safely skip it.
continue;
}
var nodeType = (OTBNodeType)stream.ReadByte();
switch (currentMark)
{
case OTBMarkupByte.Start:
treeBuilder.AddNodeBegin(
start: stream.Position,
type: nodeType);
break;
case OTBMarkupByte.End:
treeBuilder.AddNodeEnd(stream.Position);
break;
case OTBMarkupByte.Escape:
stream.Skip();
break;
default:
throw new InvalidOperationException();
}
}
return(treeBuilder.BuildTree());
}
