BBGamelib.CCTMXParser.ParseImagePlist C# (CSharp) Method

		static void ParseImagePlist(int firstGid, int tileWidth, int tileHeight, string filename, Dictionary<int, string> gidToFiles, NSDictionary tilesetCaches){
			string path = filename + "-tp.txt";
			NSDictionary plist = null;
			if(tilesetCaches!=null)
				plist = tilesetCaches.objectForKey<NSDictionary>(path);
			if(plist==null)
				plist = NSDictionary.DictionaryWithContentsOfFileFromResources(filename + "-tp.txt");
			NSDictionary metaDataDict = plist.objectForKey<NSDictionary>("metadata");
			NSDictionary framesDict = plist.objectForKey<NSDictionary>("frames");
			int format = 0;
			if (metaDataDict != null) {
				format = metaDataDict.objectForKey<int> ("format");
			}

			int width = 0;
			if (metaDataDict != null) {
				Vector2 size = ccUtils.PointFromString ((string)metaDataDict ["size"]);	
				width = Mathf.RoundToInt(size.x);
			} else {
				NSDictionary texture = metaDataDict.objectForKey<NSDictionary>("texture");
				width = texture.objectForKey<int>("width");
			}
			
			var enumerator = framesDict.GetEnumerator();
			while (enumerator.MoveNext()) {
				KeyValuePair<object, object> frameDictKeyValue = enumerator.Current;
				string frameDictKey = (string)frameDictKeyValue.Key;
				NSDictionary frameDict = (NSDictionary)frameDictKeyValue.Value;
				int x=0, y=0, w=0, h=0;
				if(format == 0) {
					float ox = frameDict.objectForKey<float>("x");
					float oy = frameDict.objectForKey<float>("y");
					float ow = frameDict.objectForKey<float>("width");
					float oh = frameDict.objectForKey<float>("height");
					x = Mathf.RoundToInt(ox);
					y = Mathf.RoundToInt(oy);
					w = Mathf.RoundToInt(ow);
					h = Mathf.RoundToInt(oh);
				} else if(format == 1 || format == 2) {
					Rect frame = ccUtils.RectFromString(frameDict.objectForKey<string>("frame"));
					x = Mathf.RoundToInt(frame.x);
					y = Mathf.RoundToInt(frame.y);
					w = Mathf.RoundToInt(frame.width);
					h = Mathf.RoundToInt(frame.height);
				} else if(format == 3) {
					Rect frame = ccUtils.RectFromString(frameDict.objectForKey<string>("textureRect"));
					x = Mathf.RoundToInt(frame.x);
					y = Mathf.RoundToInt(frame.y);
					w = Mathf.RoundToInt(frame.width);
					h = Mathf.RoundToInt(frame.height);
				}else{
					NSUtils.Assert(false, "cocos2d:CCTMXMap: Uknown TexturePack format.");
				}
				NSUtils.Assert(w==tileWidth && h==tileHeight, "cocos2d:CCTMXMap: Frame size of tileset file must be same with tmx tilesize.");
				int col = Mathf.RoundToInt(x / tileWidth);
				int row = Mathf.RoundToInt(y / tileHeight);
				int cols = Mathf.RoundToInt(width / tileWidth); 
				int gid = firstGid + col + row * cols;
				gidToFiles[gid] = frameDictKey;
			}	
		}