BBGamelib.CCSpriteFrameCache.addSpriteFrames C# (CSharp) Method

		void addSpriteFrames(NSDictionary dictionary, Sprite[] sprites){
			Dictionary<string ,Sprite> spritesDict = new Dictionary<string, Sprite> ();
			for(int i=0; i<sprites.Length; i++){
				Sprite s = sprites[i];
				spritesDict.Add(s.name, s);			
			}

			NSDictionary metadataDict = dictionary.objectForKey<NSDictionary>("metadata");
			NSDictionary framesDict = dictionary.objectForKey<NSDictionary>("frames");

			int format = 0;
			// get the format
			if (metadataDict != null) {
				format = metadataDict.objectForKey<int> ("format");
			}
			
			
			// SpriteFrame info
//			Rect rect = new Rect();
			bool isRotated = false;
			Vector2 frameOffset = Vector2.zero;
			Vector2 originalSize = Vector2.zero;
			
			// add real frames
			
			var enumerator = framesDict.GetEnumerator();
			while (enumerator.MoveNext()) {
				KeyValuePair<object, object> frameDictKeyValue = enumerator.Current;
				string frameDictKey = (string)frameDictKeyValue.Key;
				NSDictionary frameDict = (NSDictionary)frameDictKeyValue.Value;
				CCSpriteFrame spriteFrame=null;
				if(format == 0) {
//					float x = frameDict.objectForKey<float>("x");
//					float y = frameDict.objectForKey<float>("y");
//					float w = frameDict.objectForKey<float>("width");
//					float h = frameDict.objectForKey<float>("height");
					float ox = frameDict.objectForKey<float>("offsetX");
					float oy = frameDict.objectForKey<float>("offsetY");
					int ow = frameDict.objectForKey<int>("originalWidth");
					int oh = frameDict.objectForKey<int>("originalHeight");
					// check ow/oh
					if(ow==0 || oh==0)
						CCDebug.Warning("cocos2d: WARNING: originalWidth/Height not found on the CCSpriteFrame. AnchorPoint won't work as expected. Regenerate the .plist");
					
					// abs ow/oh
					ow = Math.Abs(ow);
					oh = Math.Abs(oh);
					
					// set frame info
//					rect = new Rect(x, y, w, h);
					isRotated = false;
					frameOffset = new Vector2(ox, oy);
					originalSize = new Vector2(ow, oh);
					
//					if(isRotated)
//						rect.size = new Vector2(rect.size.y, rect.size.x);
				} else if(format == 1 || format == 2) {
//					Rect frame = ccUtils.RectFromString(frameDict.objectForKey<string>("frame"));
					bool rotated = false;
					
					// rotation
					if(format == 2)
						rotated = frameDict.objectForKey<bool>("rotated");
					
					Vector2 offset = ccUtils.PointFromString(frameDict.objectForKey<string>("offset"));
					Vector2 sourceSize = ccUtils.PointFromString(frameDict.objectForKey<string>("sourceSize"));
					
					// set frame info
//					rect = frame;
					isRotated = rotated;
					frameOffset = offset;
					originalSize = sourceSize;
				} else if(format == 3) {
					// get values
//					Vector2 spriteSize = ccUtils.PointFromString(frameDict.objectForKey<string>("spriteSize"));
					Vector2 spriteOffset = ccUtils.PointFromString(frameDict.objectForKey<string>("spriteOffset"));
					Vector2 spriteSourceSize = ccUtils.PointFromString(frameDict.objectForKey<string>("spriteSourceSize"));
//					Rect textureRect = ccUtils.RectFromString(frameDict.objectForKey<string>("textureRect"));
					bool textureRotated = frameDict.objectForKey<bool>("textureRotated");
					
					// get aliases
					NSArray aliases = frameDict.objectForKey<NSArray>("aliases");
					
					var aliasesEnumerator = aliases.GetEnumerator();
					while (aliasesEnumerator.MoveNext()) {
						string alias = (string)aliasesEnumerator.Current;
						if( _spriteFramesAliases.ContainsKey(alias) )
							CCDebug.Warning("cocos2d: WARNING: an alias with name {0} already exists",alias);
						
						_spriteFramesAliases[alias] = frameDictKey;
					}
					
					// set frame info
//					rect = new Rect(textureRect.position.x, textureRect.position.y, spriteSize.x, spriteSize.y);
					isRotated = textureRotated;
					frameOffset = spriteOffset;
					originalSize = spriteSourceSize;
				}
				
				Sprite spt;
				if(!spritesDict.TryGetValue(frameDictKey, out spt)){
					CCDebug.Warning("cocos2d: WARNING: a sprite frame with name {0} not found", frameDictKey);
					continue;
				}
				// add sprite frame
				spriteFrame = new CCSpriteFrame(spt, originalSize, frameOffset, isRotated);
				_spriteFrames.Add(frameDictKey, spriteFrame);
			}
		}