public static TmxImage LoadTmxImage(this TmxImage image, XElement xImage, string tmxDir = "")
{
var xSource = xImage.Attribute("source");
if (xSource != null)
{
// Append directory if present
image.Source = Path.Combine(tmxDir, (string)xSource);
using (var stream = TitleContainer.OpenStream(image.Source))
image.Texture = Texture2D.FromStream(Core.GraphicsDevice, stream);
}
else
{
image.Format = (string)xImage.Attribute("format");
var xData = xImage.Element("data");
var decodedStream = new TmxBase64Data(xData);
image.Data = decodedStream.Data;
throw new NotSupportedException("Stream Data loading is not yet supported");
}
image.Trans = TiledMapLoader.ParseColor(xImage.Attribute("trans"));
image.Width = (int?)xImage.Attribute("width") ?? 0;
image.Height = (int?)xImage.Attribute("height") ?? 0;
return(image);
}
public static TmxLayer LoadTmxLayer(this TmxLayer layer, TmxMap map, XElement xLayer, int width, int height)
{
layer.Map = map;
layer.Name = (string)xLayer.Attribute("name");
layer.Opacity = (float?)xLayer.Attribute("opacity") ?? 1.0f;
layer.Visible = (bool?)xLayer.Attribute("visible") ?? true;
layer.OffsetX = (float?)xLayer.Attribute("offsetx") ?? 0.0f;
layer.OffsetY = (float?)xLayer.Attribute("offsety") ?? 0.0f;
// TODO: does the width/height passed in ever differ from the TMX layer XML?
layer.Width = (int)xLayer.Attribute("width");
layer.Height = (int)xLayer.Attribute("height");
var xData = xLayer.Element("data");
var encoding = (string)xData.Attribute("encoding");
layer.Tiles = new TmxLayerTile[width * height];
if (encoding == "base64")
{
var decodedStream = new TmxBase64Data(xData);
var stream = decodedStream.Data;
var index = 0;
using (var br = new BinaryReader(stream))
{
for (var j = 0; j < height; j++)
{
for (var i = 0; i < width; i++)
{
var gid = br.ReadUInt32();
layer.Tiles[index++] = gid != 0 ? new TmxLayerTile(map, gid, i, j) : null;
}
}
}
}
else if (encoding == "csv")
{
var csvData = xData.Value;
int k = 0;
foreach (var s in csvData.Split(','))
{
var gid = uint.Parse(s.Trim());
var x = k % width;
var y = k / width;
layer.Tiles[k++] = gid != 0 ? new TmxLayerTile(map, gid, x, y) : null;
}
}
else if (encoding == null)
{
int k = 0;
foreach (var e in xData.Elements("tile"))
{
var gid = (uint?)e.Attribute("gid") ?? 0;
var x = k % width;
var y = k / width;
layer.Tiles[k++] = gid != 0 ? new TmxLayerTile(map, gid, x, y) : null;
}
}
else
{
throw new Exception("TmxLayer: Unknown encoding.");
}
layer.Properties = TiledMapLoader.ParsePropertyDict(xLayer.Element("properties"));
return(layer);
}