public static IsoMap FromXML(string filename)
{
FileInfo file = new FileInfo(filename);
if (!file.Exists)
return null;
XmlDocument doc = new XmlDocument();
doc.Load(file.FullName);
XmlElement root = doc.DocumentElement;
IsoMap map = new IsoMap();
if (root.Name == "map")
ProcessMapElement(root, map);
else
{
foreach (XmlElement child in root.ChildNodes)
{
if (child.Name == "map")
ProcessMapElement(child, map);
}
}
return map;
}
protected static void ProcessLayer(XmlElement element, IsoMap map)
{
Dictionary<int, MapImage> imageOffsets = new Dictionary<int, MapImage>();
foreach (KeyValuePair<int,MapImage> img in map.Tilesets)
{
TilesetInfo info = img.Value.Tag as TilesetInfo;
if (info != null)
{
imageOffsets.Add(info.FirstGUID-1, img.Value);
}
}
if (imageOffsets.Count == 0)
{
int offset = 0;
foreach (KeyValuePair<int, MapImage> img in map.Tilesets)
{
imageOffsets.Add(offset, img.Value);
offset += img.Value.Width * img.Value.Height;
}
}
MapLayer layer = new MapLayer();
Size layerBounds = new Size(map.Options.Bounds.Width, map.Options.Bounds.Height);
foreach (XmlAttribute attrib in element.Attributes)
{
if (attrib.Name == "name")
layer.Name = attrib.Value;
else if (attrib.Name == "width")
layerBounds = new Size(int.Parse(attrib.Value), layerBounds.Height);
else if (attrib.Name == "height")
layerBounds = new Size(layerBounds.Width, int.Parse(attrib.Value));
}
if (layerBounds != map.Options.Bounds)
return;
int[] intList = null;
foreach (XmlElement child in element.GetElementsByTagName("data"))
{
XmlText data = child.LastChild as XmlText;
if (data == null)
continue;
string val = data.Data.TrimStart(new char[] { '\n', ' ' });
if (child.GetAttribute("encoding") == "base64")
{
byte[] b = Convert.FromBase64String(val);
MemoryStream stream = new MemoryStream(b);
byte[] outbuffer = null;
byte[] t = new byte[1024];
Stream readStream = null;
if (!child.HasAttribute("compression"))
readStream = stream;
else
{
string comp = child.GetAttribute("compression");
if (comp == "gzip")
readStream = new GZipStream(stream, CompressionMode.Decompress);
else if (comp == "zlib")
continue;// readStream = new ZOutputStream(stream);
}
if (readStream == null)
continue; // no clue what it is
int read = readStream.Read(t, 0, 1024);
while (read != 0)
{
if (outbuffer == null)
{
outbuffer = new byte[read];
Array.Copy(t, outbuffer, read);
}
else
{
byte[] n = new byte[outbuffer.Length + read];
Array.Copy(outbuffer, n, outbuffer.Length);
Array.Copy(t, 0, n, outbuffer.Length, read);
outbuffer = n;
}
read = readStream.Read(t, 0, 1024);
}
readStream.Close();
stream.Close();
if (outbuffer == null)
continue;
int intCount = outbuffer.Length / 4;
intList = new int[intCount];
for (int i = 0; i < intCount; i++)
{
int j = BitConverter.ToInt32(outbuffer, i * 4);
intList[i] = j;
}
}
else if (child.GetAttribute("encoding") == "csv")
{
string[] list = val.Split(",".ToCharArray());
intList = new int[list.Length];
for (int i = 0; i < list.Length; i++)
intList[i] = int.Parse(list[i]);
}
}
if (intList == null || intList.Length != map.Options.Bounds.Width * map.Options.Bounds.Height)
{
return;
}
for (int i = 0; i < intList.Length; i++)
{
MapLayerCell cell = new MapLayerCell();
int offset = 0;
cell.Source = ImageFromID(intList[i]-1, out offset, imageOffsets);
if (cell.Source != null)
{
int y = offset / cell.Source.Bounds.Width;
cell.Cell = new Point(offset - (y * cell.Source.Bounds.Width), y);
}
layer.Cells.Add(cell);
}
if (layer.Cells.Count > 0)
{
if (map.ForeLayers.Count > 0)
{
if (layer.Name == "Collision")
{
map.CollisionMap.Clear();
foreach (MapLayerCell cell in layer.Cells)
map.CollisionMap.Add(cell.Source != null);
}
else
map.ForeLayers.Add(layer);
}
else
{
if (layer.Name.ToLower() == "over" || layer.Name.ToLower() == "fringe")
map.ForeLayers.Add(layer);
else
map.BackgroundLayers.Add(layer);
}
}
}
protected static void ProcessTileset(XmlElement element, IsoMap map)
{
MapImage img = new MapImage();
TilesetInfo info = new TilesetInfo();
img.Tag = info;
foreach (XmlAttribute attrib in element.Attributes)
{
if (attrib.Name == "name")
img.Name = attrib.Value;
else if (attrib.Name == "firstgid")
info.FirstGUID = int.Parse(attrib.Value);
else if (attrib.Name == "tilewidth")
img.Grid = new Size(int.Parse(attrib.Value), img.Grid.Height);
else if (attrib.Name == "tileheight")
img.Grid = new Size(img.Grid.Width,int.Parse(attrib.Value));
}
foreach (XmlElement child in element.ChildNodes)
{
if (child.Name == "image")
{
foreach (XmlAttribute attrib in child.Attributes)
{
if (attrib.Name == "source")
img.FileName = attrib.Value;
}
}
}
img.ID = map.Tilesets.Count;
map.Tilesets.Add(img.ID, img);
}
protected static void ProcessObject(XmlElement element, IsoMap map)
{
MapObject obj = new MapObject();
obj.Name = element.GetAttribute("name");
obj.ObjectType = element.GetAttribute("type");
if (element.HasAttribute("x") && element.HasAttribute("y"))
obj.Origin = new Point(int.Parse(element.GetAttribute("x")), int.Parse(element.GetAttribute("y")));
if (element.HasAttribute("width") && element.HasAttribute("height"))
obj.Bounds = new Size(int.Parse(element.GetAttribute("width")), int.Parse(element.GetAttribute("height")));
foreach (XmlElement p in element.GetElementsByTagName("properties"))
{
foreach (XmlElement prop in p.GetElementsByTagName("property"))
obj.Properties.Add(new KeyValuePair<string, string>(prop.GetAttribute("name"), prop.GetAttribute("value")));
}
map.Objects.Add(obj);
}
protected static void ProcessMapElement(XmlElement element, IsoMap map)
{
foreach (XmlAttribute attrib in element.Attributes)
{
if (attrib.Name == "orientation")
map.Options.Orthogonal = attrib.Value == "orthogonal";
else if (attrib.Name == "width")
map.Options.Bounds = new Size(int.Parse(attrib.Value),map.Options.Bounds.Height);
else if (attrib.Name == "height")
map.Options.Bounds = new Size( map.Options.Bounds.Width,int.Parse(attrib.Value));
else if (attrib.Name == "tilewidth")
map.Options.Grid = new Size(int.Parse(attrib.Value), map.Options.Grid.Height);
else if (attrib.Name == "tileheight")
map.Options.Grid = new Size(map.Options.Grid.Width, int.Parse(attrib.Value));
}
foreach (XmlElement child in element.GetElementsByTagName("properties"))
{
foreach (XmlElement property in child.ChildNodes)
{
if (property.Name == "property")
{
string name = string.Empty;
string value = string.Empty;
foreach (XmlAttribute attrib in property.Attributes)
{
if (attrib.Name == "name")
name = attrib.Value;
else if (attrib.Name == "value")
value = attrib.Value;
}
if (name == "music")
map.Options.Music = value;
else if (name == "name")
map.Options.Name = value;
}
}
}
foreach (XmlElement child in element.GetElementsByTagName("tileset"))
ProcessTileset(child, map);
foreach (XmlElement child in element.GetElementsByTagName("layer"))
ProcessLayer(child, map);
foreach (XmlElement child in element.GetElementsByTagName("objectgroup"))
{
foreach (XmlElement o in child.GetElementsByTagName("object"))
ProcessObject(o, map);
}
}
