/// <summary>
/// Checks is a tile is flipped diagonally
/// </summary>
/// <param name="layer">An entry of the TiledMap.layers array</param>
/// <param name="dataIndex">An index of the TiledLayer.data array</param>
/// <returns>True if the tile was flipped diagonally or False if not</returns>
public bool IsTileFlippedDiagonal(TiledLayer layer, int dataIndex)
{
return((layer.dataRotationFlags[dataIndex] & (FLIPPED_DIAGONALLY_FLAG >> SHIFT_FLIP_FLAG_TO_BYTE)) > 0);
}
/// <summary>
/// Checks is a tile is flipped diagonally
/// </summary>
/// <param name="layer">An entry of the TiledMap.layers array</param>
/// <param name="tileHor">The tile's horizontal position</param>
/// <param name="tileVert">The tile's vertical position</param>
/// <returns>True if the tile was flipped diagonally or False if not</returns>
public bool IsTileFlippedDiagonal(TiledLayer layer, int tileHor, int tileVert)
{
return(IsTileFlippedDiagonal(layer, tileHor + (tileVert * layer.width)));
}
/// <summary>
/// Checks is a tile is flipped horizontally
/// </summary>
/// <param name="layer">An entry of the TiledMap.layers array</param>
/// <param name="dataIndex">An index of the TiledLayer.data array</param>
/// <returns>True if the tile was flipped horizontally or False if not</returns>
public bool IsTileFlippedHorizontal(TiledLayer layer, int dataIndex)
{
return((layer.dataRotationFlags[dataIndex] & (FLIPPED_HORIZONTALLY_FLAG >> SHIFT_FLIP_FLAG_TO_BYTE)) > 0);
}
/// <summary>
/// Checks is a tile is flipped vertically
/// </summary>
/// <param name="layer">An entry of the TiledMap.layers array</param>
/// <param name="dataIndex">An index of the TiledLayer.data array</param>
/// <returns>True if the tile was flipped vertically or False if not</returns>
public bool IsTileFlippedVertical(TiledLayer layer, int dataIndex)
{
return((layer.dataRotationFlags[dataIndex] & (FLIPPED_VERTICALLY_FLAG >> SHIFT_FLIP_FLAG_TO_BYTE)) > 0);
}
private TiledLayer[] ParseLayers(XmlNodeList nodesLayer, XmlNodeList nodesObjectGroup, XmlNodeList nodesImageLayer)
{
var result = new List <TiledLayer>();
foreach (XmlNode node in nodesLayer)
{
var nodeData = node.SelectSingleNode("data");
var nodesProperty = node.SelectNodes("properties/property");
var encoding = nodeData.Attributes["encoding"].Value;
var attrVisible = node.Attributes["visible"];
var attrLocked = node.Attributes["locked"];
var attrTint = node.Attributes["tintcolor"];
var attrOffsetX = node.Attributes["offsetx"];
var attrOffsetY = node.Attributes["offsety"];
var tiledLayer = new TiledLayer();
tiledLayer.id = int.Parse(node.Attributes["id"].Value);
tiledLayer.name = node.Attributes["name"].Value;
tiledLayer.height = int.Parse(node.Attributes["height"].Value);
tiledLayer.width = int.Parse(node.Attributes["width"].Value);
tiledLayer.type = "tilelayer";
tiledLayer.visible = true;
if (attrVisible != null)
{
tiledLayer.visible = attrVisible.Value == "1";
}
if (attrLocked != null)
{
tiledLayer.locked = attrLocked.Value == "1";
}
if (attrTint != null)
{
tiledLayer.tintcolor = attrTint.Value;
}
if (attrOffsetX != null)
{
tiledLayer.offsetX = int.Parse(attrOffsetX.Value);
}
if (attrOffsetY != null)
{
tiledLayer.offsetY = int.Parse(attrOffsetY.Value);
}
if (nodesProperty != null)
{
tiledLayer.properties = ParseProperties(nodesProperty);
}
if (encoding == "csv")
{
var csvs = nodeData.InnerText.Split(',');
tiledLayer.data = new int[csvs.Length];
tiledLayer.dataRotationFlags = new byte[csvs.Length];
// Parse the comma separated csv string and update the inner data as well as the data rotation flags
for (var i = 0; i < csvs.Length; i++)
{
var rawID = uint.Parse(csvs[i]);
var hor = ((rawID & FLIPPED_HORIZONTALLY_FLAG));
var ver = ((rawID & FLIPPED_VERTICALLY_FLAG));
var dia = ((rawID & FLIPPED_DIAGONALLY_FLAG));
tiledLayer.dataRotationFlags[i] = (byte)((hor | ver | dia) >> SHIFT_FLIP_FLAG_TO_BYTE);
// assign data to rawID with the rotation flags cleared
tiledLayer.data[i] = (int)(rawID & ~(FLIPPED_HORIZONTALLY_FLAG | FLIPPED_VERTICALLY_FLAG | FLIPPED_DIAGONALLY_FLAG));
}
}
else if (encoding == "base64")
{
var compression = nodeData.Attributes["compression"]?.Value;
using (var base64DataStream = new MemoryStream(Convert.FromBase64String(nodeData.InnerText)))
{
if (compression == null)
{
// Parse the decoded bytes and update the inner data as well as the data rotation flags
var rawBytes = new byte[4];
tiledLayer.data = new int[base64DataStream.Length];
tiledLayer.dataRotationFlags = new byte[base64DataStream.Length];
for (var i = 0; i < base64DataStream.Length; i++)
{
base64DataStream.Read(rawBytes, 0, rawBytes.Length);
var rawID = BitConverter.ToUInt32(rawBytes, 0);
var hor = ((rawID & FLIPPED_HORIZONTALLY_FLAG));
var ver = ((rawID & FLIPPED_VERTICALLY_FLAG));
var dia = ((rawID & FLIPPED_DIAGONALLY_FLAG));
tiledLayer.dataRotationFlags[i] = (byte)((hor | ver | dia) >> SHIFT_FLIP_FLAG_TO_BYTE);
// assign data to rawID with the rotation flags cleared
tiledLayer.data[i] = (int)(rawID & ~(FLIPPED_HORIZONTALLY_FLAG | FLIPPED_VERTICALLY_FLAG | FLIPPED_DIAGONALLY_FLAG));
}
}
else if (compression == "zlib")
{
// .NET doesn't play well with the headered zlib data that Tiled produces,
// so we have to manually skip the 2-byte header to get what DeflateStream's looking for
// Should an external library be used instead of this hack?
base64DataStream.ReadByte();
base64DataStream.ReadByte();
using (var decompressionStream = new DeflateStream(base64DataStream, CompressionMode.Decompress))
{
// Parse the raw decompressed bytes and update the inner data as well as the data rotation flags
var decompressedDataBuffer = new byte[4]; // size of each tile
var dataRotationFlagsList = new List <byte>();
var layerDataList = new List <int>();
while (decompressionStream.Read(decompressedDataBuffer, 0, decompressedDataBuffer.Length) == decompressedDataBuffer.Length)
{
var rawID = BitConverter.ToUInt32(decompressedDataBuffer, 0);
var hor = ((rawID & FLIPPED_HORIZONTALLY_FLAG));
var ver = ((rawID & FLIPPED_VERTICALLY_FLAG));
var dia = ((rawID & FLIPPED_DIAGONALLY_FLAG));
dataRotationFlagsList.Add((byte)((hor | ver | dia) >> SHIFT_FLIP_FLAG_TO_BYTE));
// assign data to rawID with the rotation flags cleared
layerDataList.Add((int)(rawID & ~(FLIPPED_HORIZONTALLY_FLAG | FLIPPED_VERTICALLY_FLAG | FLIPPED_DIAGONALLY_FLAG)));
}
tiledLayer.data = layerDataList.ToArray();
tiledLayer.dataRotationFlags = dataRotationFlagsList.ToArray();
}
}
else if (compression == "gzip")
{
using (var decompressionStream = new GZipStream(base64DataStream, CompressionMode.Decompress))
{
// Parse the raw decompressed bytes and update the inner data as well as the data rotation flags
var decompressedDataBuffer = new byte[4]; // size of each tile
var dataRotationFlagsList = new List <byte>();
var layerDataList = new List <int>();
while (decompressionStream.Read(decompressedDataBuffer, 0, decompressedDataBuffer.Length) == decompressedDataBuffer.Length)
{
var rawID = BitConverter.ToUInt32(decompressedDataBuffer, 0);
var hor = ((rawID & FLIPPED_HORIZONTALLY_FLAG));
var ver = ((rawID & FLIPPED_VERTICALLY_FLAG));
var dia = ((rawID & FLIPPED_DIAGONALLY_FLAG));
dataRotationFlagsList.Add((byte)((hor | ver | dia) >> SHIFT_FLIP_FLAG_TO_BYTE));
// assign data to rawID with the rotation flags cleared
layerDataList.Add((int)(rawID & ~(FLIPPED_HORIZONTALLY_FLAG | FLIPPED_VERTICALLY_FLAG | FLIPPED_DIAGONALLY_FLAG)));
}
tiledLayer.data = layerDataList.ToArray();
tiledLayer.dataRotationFlags = dataRotationFlagsList.ToArray();
}
}
else
{
throw new TiledException("Zstandard compression is currently not supported");
}
}
}
else
{
throw new TiledException("Only CSV and Base64 encodings are currently supported");
}
result.Add(tiledLayer);
}
foreach (XmlNode node in nodesObjectGroup)
{
var nodesProperty = node.SelectNodes("properties/property");
var nodesObject = node.SelectNodes("object");
var attrVisible = node.Attributes["visible"];
var attrLocked = node.Attributes["locked"];
var attrTint = node.Attributes["tintcolor"];
var attrOffsetX = node.Attributes["offsetx"];
var attrOffsetY = node.Attributes["offsety"];
var tiledLayer = new TiledLayer();
tiledLayer.id = int.Parse(node.Attributes["id"].Value);
tiledLayer.name = node.Attributes["name"].Value;
tiledLayer.objects = ParseObjects(nodesObject);
tiledLayer.type = "objectgroup";
tiledLayer.visible = true;
if (attrVisible != null)
{
tiledLayer.visible = attrVisible.Value == "1";
}
if (attrLocked != null)
{
tiledLayer.locked = attrLocked.Value == "1";
}
if (attrTint != null)
{
tiledLayer.tintcolor = attrTint.Value;
}
if (attrOffsetX != null)
{
tiledLayer.offsetX = int.Parse(attrOffsetX.Value);
}
if (attrOffsetY != null)
{
tiledLayer.offsetY = int.Parse(attrOffsetY.Value);
}
if (nodesProperty != null)
{
tiledLayer.properties = ParseProperties(nodesProperty);
}
result.Add(tiledLayer);
}
foreach (XmlNode node in nodesImageLayer)
{
var nodesProperty = node.SelectNodes("properties/property");
var nodeImage = node.SelectSingleNode("image");
var attrVisible = node.Attributes["visible"];
var attrLocked = node.Attributes["locked"];
var attrTint = node.Attributes["tintcolor"];
var attrOffsetX = node.Attributes["offsetx"];
var attrOffsetY = node.Attributes["offsety"];
var tiledLayer = new TiledLayer();
tiledLayer.id = int.Parse(node.Attributes["id"].Value);
tiledLayer.name = node.Attributes["name"].Value;
tiledLayer.type = "imagelayer";
tiledLayer.visible = true;
if (attrVisible != null)
{
tiledLayer.visible = attrVisible.Value == "1";
}
if (attrLocked != null)
{
tiledLayer.locked = attrLocked.Value == "1";
}
if (attrTint != null)
{
tiledLayer.tintcolor = attrTint.Value;
}
if (attrOffsetX != null)
{
tiledLayer.offsetX = int.Parse(attrOffsetX.Value);
}
if (attrOffsetY != null)
{
tiledLayer.offsetY = int.Parse(attrOffsetY.Value);
}
if (nodesProperty != null)
{
tiledLayer.properties = ParseProperties(nodesProperty);
}
if (nodeImage != null)
{
tiledLayer.image = ParseImage(nodeImage);
}
result.Add(tiledLayer);
}
return(result.ToArray());
}
