/// <summary>
/// Determine if a map is compatible
/// </summary>
/// <param name="v"></param>
/// <returns></returns>
private static bool Compatible(TiledVersion v)
{
//This will check if the map version is 1.1.5 or higher
//This is because this is the version it was tested in
if (v.Major < 1) //Not 1.x.x
{
return(false);
}
if (v.Minor < 1) //Not 1.0.x
{
return(false);
}
return(v.Minor != 1 || v.Build >= 5);
}
/// <summary>
/// Load a Tiled map.
/// Compatible with Tiled 1.1.5 and up.
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static TiledMap LoadMap(string filename)
{
//Load xml
var doc = XDocument.Load(filename);
//Get map element
var map = doc.Element("map");
//Version check
if (map == null)
{
throw new NullReferenceException();
}
var version = new TiledVersion(map.Attribute("tiledversion")?.Value);
if (!Compatible(version))
{
throw new Exception("Incompatible Tiled version.");
}
//Construct map
var retMap = new TiledMap
{
Height = int.Parse(map.Attribute("height")?.Value ?? throw new InvalidOperationException()),
Infinite = map.Attribute("infinite")?.Value == "1",
Layers = new List <TiledLayer>(),
ObjectLayers = new List <TiledObjectLayer>(),
Tileset = LoadTileset(map.Element("tileset")?.Attribute("source")?.Value)
};
//Load the tileset
//Set the orientation and render order
var orientation = map.Attribute("orientation")?.Value;
var renderOrder = map.Attribute("renderorder")?.Value;
if (orientation == "orthogonal")
{
retMap.Orientation = TiledMapOrientation.Orthogonal;
}
else
{
throw new Exception("Unsupported orientation detected.");
}
switch (renderOrder)
{
case "right-down":
retMap.RenderOrder = RenderOrder.RightDown;
break;
case "right-up":
retMap.RenderOrder = RenderOrder.RightUp;
break;
case "left-down":
retMap.RenderOrder = RenderOrder.LeftDown;
break;
case "left-up":
retMap.RenderOrder = RenderOrder.LeftUp;
break;
default:
throw new Exception("Unsupported RenderOrder.");
}
//Finish getting attributes
retMap.TileHeight = int.Parse(map.Attribute("tileheight")?.Value ?? throw new InvalidOperationException());
retMap.TileWidth = int.Parse(map.Attribute("tilewidth")?.Value ?? throw new InvalidOperationException());
retMap.Width = int.Parse(map.Attribute("width")?.Value ?? throw new InvalidOperationException());
//Load the map
foreach (var e in map.Elements())
{
if (e.Name == "layer")
{
//Load a layer and it's attributes
var l = new TiledLayer
{
Chunks = new List <TiledLayerChunk>(),
Name = e.Attribute("name")?.Value,
Height = int.Parse(e.Attribute("height")?.Value ?? throw new InvalidOperationException()),
Width = int.Parse(e.Attribute("width")?.Value ?? throw new InvalidOperationException()),
Tiles = new List <int>(),
ParentMap = retMap
};
//Grab layer data
var data = e.Element("data");
//Ensure CSV format
//TODO: Support all formats
if (data?.Attribute("encoding")?.Value != "csv")
{
throw new Exception("Incompatible map encoding.");
}
if (retMap.Infinite)
{
//Load chunks
foreach (var chunk in data.Elements("chunk"))
{
//Create chunk and load attributes
var c = new TiledLayerChunk
{
Height = int.Parse(chunk.Attribute("height")?.Value ?? throw new InvalidOperationException()) * retMap.TileHeight,
Tiles = new List <int>(),
Width = int.Parse(chunk.Attribute("width")?.Value ?? throw new InvalidOperationException()) * retMap.TileWidth,
X = int.Parse(chunk.Attribute("x")?.Value ?? throw new InvalidOperationException()) * retMap.TileWidth,
Y = int.Parse(chunk.Attribute("y")?.Value ?? throw new InvalidOperationException()) * retMap.TileHeight,
ParentMap = retMap
};
//Load tiles
var tiles = chunk.Value.Split(',');
foreach (var tile in tiles)
{
c.Tiles.Add(int.Parse(tile));
}
//Add to the layer
l.Chunks.Add(c);
}
}
else
{
//Load layer
var tiles = data.Value.Split(',');
foreach (var tile in tiles)
{
l.Tiles.Add(int.Parse(tile));
}
}
//Add layer to map
retMap.Layers.Add(l);
}
else if (e.Name == "objectgroup")
{
//Create new object layer
var l = new TiledObjectLayer
{
Name = e.Attribute("name")?.Value,
Objects = new List <TiledObject>()
};
//Add objects
foreach (var obj in e.Elements("object"))
{
var obje = new TiledObject
{
Height = float.Parse(obj.Attribute("height")?.Value ?? throw new InvalidOperationException()),
Id = int.Parse(obj.Attribute("id")?.Value ?? throw new InvalidOperationException()),
Name = obj.Attribute("name")?.Value,
Type = obj.Attribute("type")?.Value,
Width = float.Parse(obj.Attribute("width")?.Value ?? throw new InvalidOperationException()),
X = float.Parse(obj.Attribute("x")?.Value ?? throw new InvalidOperationException()),
Y = float.Parse(obj.Attribute("y")?.Value ?? throw new InvalidOperationException())
};
l.Objects.Add(obje);
}
//Add layer to map
retMap.ObjectLayers.Add(l);
}
}
return(retMap);
}
