private static void ParseTileAreaNode(OTBNode tileAreaNode, World world)
{
if (tileAreaNode == null)
{
throw new ArgumentNullException(nameof(tileAreaNode));
}
if (tileAreaNode.Type != OTBNodeType.TileArea)
{
throw new TFSWorldLoadingException();
}
var stream = new ReadOnlyMemoryStream(tileAreaNode.Data.Span);
var areaStartX = stream.ReadUInt16();
var areaStartY = stream.ReadUInt16();
var areaZ = stream.ReadByte();
var areaStartPosition = new Coordinate(
x: areaStartX,
y: areaStartY,
z: (sbyte)areaZ);
foreach (var tileNode in tileAreaNode.Children)
{
ParseTileNode(
tilesAreaStartPosition: areaStartPosition,
tileNode: tileNode,
world: world);
}
}
/// <summary>
/// Logs the information embedded in the root node of the OTB tree.
/// </summary>
private static void ParseOTBTreeRootNode(OTBNode rootNode)
{
if (rootNode == null)
{
throw new ArgumentNullException(nameof(rootNode));
}
if (rootNode.Children.Count != 1)
{
throw new InvalidOperationException();
}
var parsingStream = new OTBParsingStream(rootNode.Data);
var headerVersion = parsingStream.ReadUInt32();
//if (headerVersion == 0 || headerVersion > 2)
// throw new InvalidOperationException();
var worldWidth = parsingStream.ReadUInt16();
var worldHeight = parsingStream.ReadUInt16();
var itemEncodingMajorVersion = parsingStream.ReadUInt32();
//if (itemEncodingMajorVersion != SupportedItemEncodingMajorVersion)
// throw new InvalidOperationException();
var itemEncodingMinorVersion = parsingStream.ReadUInt32();
//if (itemEncodingMinorVersion < SupportedItemEncodingMinorVersion)
// throw new InvalidOperationException();
_logger.Info($"OTBM header version: {headerVersion}.");
_logger.Info($"World width: {worldWidth}.");
_logger.Info($"World height: {worldHeight}.");
_logger.Info($"Item encoding major version: {itemEncodingMajorVersion}.");
_logger.Info($"Item encoding minor version: {itemEncodingMinorVersion}.");
}
/// <summary>
/// Updates the <paramref name="world"/> with the data contained
/// in <paramref name="tileAreaNode"/>.
/// </summary>
private static void ParseTileAreaNode(OTBNode tileAreaNode, World world)
{
if (tileAreaNode == null)
{
throw new ArgumentNullException(nameof(tileAreaNode));
}
if (tileAreaNode.Type != OTBNodeType.TileArea)
{
throw new InvalidOperationException();
}
var stream = new OTBParsingStream(tileAreaNode.Data);
var areaStartX = stream.ReadUInt16();
var areaStartY = stream.ReadUInt16();
var areaZ = (sbyte)stream.ReadByte();
var areaStartPosition = new Coordinate(
x: areaStartX,
y: areaStartY,
z: areaZ);
foreach (var tileNode in tileAreaNode.Children)
{
ParseTileNode(
tilesAreaStartPosition: areaStartPosition,
tileNode: tileNode,
world: world);
}
}
public static int CountNodesInTree(OTBNode root)
{
if (root.Children.Count == 0)
{
return(1);
}
return(1 + root
.Children
.Select(node => CountNodesInTree(node))
.Sum());
}
private static void ParseOTBTreeRootNode(OTBNode rootNode, World world)
{
if (rootNode == null)
{
throw new ArgumentNullException(nameof(rootNode));
}
if (world == null)
{
throw new ArgumentNullException(nameof(world));
}
if (rootNode.Children.Count != 1)
{
throw new TFSWorldLoadingException();
}
var parsingStream = new ReadOnlyMemoryStream(rootNode.Data.Span); //new OTBParsingStream(rootNode.Data.Span);
var headerVersion = parsingStream.ReadUInt32();
if (headerVersion == 0 || headerVersion > 2)
{
throw new TFSWorldLoadingException();
}
var worldWidth = parsingStream.ReadUInt16();
var worldHeight = parsingStream.ReadUInt16();
var itemEncodingMajorVersion = parsingStream.ReadUInt32();
if (itemEncodingMajorVersion != SupportedItemEncodingMajorVersion)
{
throw new TFSWorldLoadingException();
}
var itemEncodingMinorVersion = parsingStream.ReadUInt32();
if (itemEncodingMinorVersion < SupportedItemEncodingMinorVersion)
{
throw new TFSWorldLoadingException();
}
Console.WriteLine($"OTBM header version: {headerVersion}");
Console.WriteLine($"World width: {worldWidth}");
Console.WriteLine($"World height: {worldHeight}");
Console.WriteLine($"Item encoding major version: {itemEncodingMajorVersion}");
Console.WriteLine($"Item encoding minor version: {itemEncodingMinorVersion}");
}
private static void Parse(OTBNode worldDataNode, World world)
{
if (worldDataNode == null)
{
throw new ArgumentNullException(nameof(worldDataNode));
}
if (world == null)
{
throw new ArgumentNullException(nameof(world));
}
if (worldDataNode.Type != OTBNodeType.WorldData)
{
throw new TFSWorldLoadingException();
}
foreach (var child in worldDataNode.Children)
{
switch (child.Type)
{
case OTBNodeType.TileArea:
ParseTileAreaNode(child, world);
break;
case OTBNodeType.TownCollection:
// ParseTownCollectionNode(child, world);
break;
case OTBNodeType.WayPointCollection:
// ParseWaypointCollectionNode(child, world);
break;
case OTBNodeType.ItemDefinition:
throw new NotImplementedException("TFS didn't implement this. So didn't we.");
default:
throw new TFSWorldLoadingException();
}
}
}
