public static TmxLayer FromXml(XElement elem, TmxLayerNode parent, TmxMap tmxMap)
{
TmxLayer tmxLayer = new TmxLayer(parent, tmxMap);
tmxLayer.FromXmlInternal(elem);
if (elem.Name == (XName)"layer")
{
tmxLayer.ParseLayerXml(elem);
}
else if (elem.Name == (XName)"imagelayer")
{
tmxLayer.ParseImageLayerXml(elem);
}
tmxLayer.Meshes = TmxMesh.ListFromTmxLayer(tmxLayer);
tmxLayer.BuildCollisionLayers();
return(tmxLayer);
}
public static TmxLayer FromXml(XElement elem, TmxLayerNode parent, TmxMap tmxMap)
{
TmxLayer tmxLayer = new TmxLayer(parent, tmxMap);
tmxLayer.FromXmlInternal(elem);
// We can build a layer from a "tile layer" (default) or an "image layer"
if (elem.Name == "layer")
{
tmxLayer.Width = TmxHelper.GetAttributeAsInt(elem, "width");
tmxLayer.Height = TmxHelper.GetAttributeAsInt(elem, "height");
tmxLayer.ParseData(elem.Element("data"));
}
else if (elem.Name == "imagelayer")
{
XElement xmlImage = elem.Element("image");
if (xmlImage == null)
{
Logger.WriteWarning("Image Layer '{0}' is being ignored since it has no image.", tmxLayer.Name);
tmxLayer.Ignore = IgnoreSettings.True;
return(tmxLayer);
}
// An image layer is sort of like an tile layer but with just one tile
tmxLayer.Width = 1;
tmxLayer.Height = 1;
// Find the "tile" that matches our image
string imagePath = TmxHelper.GetAttributeAsFullPath(elem.Element("image"), "source");
TmxTile tile = tmxMap.Tiles.First(t => t.Value.TmxImage.AbsolutePath == imagePath).Value;
tmxLayer.TileIds = new uint[1] {
tile.GlobalId
};
// The image layer needs to be tranlated in an interesting way when expressed as a tile layer
PointF translated = tmxLayer.Offset;
// Make up for height of a regular tile in the map
translated.Y -= (float)tmxMap.TileHeight;
// Make up for the height of this image
translated.Y += (float)tile.TmxImage.Size.Height;
// Correct for any orientation effects on the map (like isometric)
// (We essentially undo the translation via orientation here)
PointF orientation = TmxMath.TileCornerInScreenCoordinates(tmxMap, 0, 0);
translated.X -= orientation.X;
translated.Y -= orientation.Y;
// Translate by the x and y coordiantes
translated.X += TmxHelper.GetAttributeAsFloat(elem, "x", 0);
translated.Y += TmxHelper.GetAttributeAsFloat(elem, "y", 0);
tmxLayer.Offset = translated;
}
// Sometimes TMX files have "dead" tiles in them (tiles that were removed but are still referenced)
// Remove these tiles from the layer by replacing them with zero
for (int t = 0; t < tmxLayer.TileIds.Length; ++t)
{
uint tileId = tmxLayer.TileIds[t];
tileId = TmxMath.GetTileIdWithoutFlags(tileId);
if (!tmxMap.Tiles.ContainsKey(tileId))
{
tmxLayer.TileIds[t] = 0;
}
}
// Each layer will be broken down into "meshes" which are collections of tiles matching the same texture or animation
tmxLayer.Meshes = TmxMesh.ListFromTmxLayer(tmxLayer);
// Each layer may contain different collision types which are themselves put into "Collison Layers" to be processed later
tmxLayer.BuildCollisionLayers();
return(tmxLayer);
}