BBGamelib.CCTMXParser.ParseObjectGroup C# (CSharp) Method

		static CCTMXLayer ParseObjectGroup(XmlNode nodeData, int cols, int rows, int tileWidth, int tileHeight, Dictionary<int, string> gidToFiles, Dictionary<int, Dictionary<string, string>> gidToTileProperties){
			string name    = nodeData.Attributes["name"].InnerText;
			
			CCTMXObjectGroup layer = new CCTMXObjectGroup();
			layer.name = name;
			layer.objects = new List<CCTMXTile> ();

			layer.visiable = nodeData.Attributes["visible"] != null 
				&& nodeData.Attributes["visible"].InnerText == "0";
			
			XmlNodeList childNodes    = nodeData.ChildNodes;
			
			var enumerator = childNodes.GetEnumerator();
			while (enumerator.MoveNext()) {
				XmlNode childNode = (XmlNode)enumerator.Current;
				if(childNode.Name == "object"){
					float mapX   = float.Parse(childNode.Attributes["x"].InnerText);
					float mapY   = float.Parse(childNode.Attributes["y"].InnerText);
					int col = Mathf.RoundToInt(mapX / tileWidth);
					
					XmlAttribute gidAttr= childNode.Attributes["gid"];
					CCTMXTile tile = new CCTMXTile();
					tile.col = col;
					if(gidAttr!=null){
						int row = Mathf.RoundToInt(mapY / tileHeight) - 1;
						tile.row = row;
						tile.gid = int.Parse(gidAttr.InnerText);
						if(!gidToFiles.TryGetValue(tile.gid, out tile.file)){
							throw new KeyNotFoundException(string.Format("CCTMXParser: file key not found with tile gid={0}, grid=[{1}, {2}], pos=[{3:0},{4,0}]", tile.gid, col, row, mapX, mapY));
						}

						Dictionary<string, string> tileProperties = null;
						if(!gidToTileProperties.TryGetValue(tile.gid, out tileProperties)){
							tileProperties = null;
						}
						tile.sharedProperties = tileProperties;
					}else{	
						int row = Mathf.RoundToInt(mapY / tileHeight);
						tile.row = row;
						tile.gid = -1;
						XmlAttribute wAttr= childNode.Attributes["width"];
						XmlAttribute hAttr= childNode.Attributes["height"];
						tile.polygonPoints = new List<Vector2>();
						if(wAttr != null && hAttr != null){
							float w = float.Parse(wAttr.InnerText);
							float h = float.Parse(hAttr.InnerText);
							Vector2 p0 = new Vector2(0, 0);
							Vector2 p1 = new Vector2(w/tileWidth, 0);
							Vector2 p2 = new Vector2(w/tileWidth, h/tileHeight);
							Vector2 p3 = new Vector2(0, h/tileHeight);
							
							tile.polygonPoints.Add(p0);
							tile.polygonPoints.Add(p1);
							tile.polygonPoints.Add(p2);
							tile.polygonPoints.Add(p3);
						}else{
							XmlNode polylineNode = childNode.SelectSingleNode("polyline");
							if(polylineNode!=null){
								string text = polylineNode.Attributes["points"].InnerText;
								string[] pointStrs = text.Split(' ');
								for(int i=0; i<pointStrs.Length; i++){
									string pointStr = pointStrs[i];
									if(pointStr.Trim().Length==0){
										continue;
									}
									string[] pointParts = pointStr.Split(',');
									float x = float.Parse(pointParts[0]);
									float y = float.Parse(pointParts[1]);
									int pcol = Mathf.RoundToInt(x / tileWidth);
									int prow = Mathf.RoundToInt(y / tileHeight);
									tile.polygonPoints.Add(new Vector2(pcol, prow));
								}
							}else{
								NSUtils.Assert(false, "cocos2d:CCTMXParse: Unsupported shape found: {0}, {1}, {2}", name, Mathf.RoundToInt(mapY / tileHeight), col);
							}
						}
					}
					layer.objects.Add(tile);
					
					XmlNode propertiesNode = childNode.SelectSingleNode("properties");
					if(propertiesNode!=null){
						tile.properties = new Dictionary<string, string>();
						ParseProperties(propertiesNode, tile.properties);
					}
				}else if(childNode.Name == "properties"){
					if(layer.properties==null)
						layer.properties = new Dictionary<string, string>();
					ParseProperties(childNode, layer.properties);
				}
			} 
			return layer;
		}