public static ActorLook Parse(string str)
        {
            if (string.IsNullOrEmpty(str) || str[0] != '{')
                throw new Exception("Incorrect EntityLook format : " + str);

            var cursorPos = 1;
            var separatorPos = str.IndexOf('|');

            if (separatorPos == -1)
            {
                separatorPos = str.IndexOf("}");

                if (separatorPos == -1)
                    throw new Exception("Incorrect EntityLook format : " + str);
            }

            var bonesId = short.Parse(str.Substring(cursorPos, separatorPos - cursorPos));
            cursorPos = separatorPos + 1;

            var skins = new short[0];
            if (( separatorPos = str.IndexOf('|', cursorPos) ) != -1 ||
                 ( separatorPos = str.IndexOf('}', cursorPos) ) != -1)
            {
                skins = ParseCollection(str.Substring(cursorPos, separatorPos - cursorPos), short.Parse);
                cursorPos = separatorPos + 1;
            }

            var colors = new Tuple<int, int>[0];
            if (( separatorPos = str.IndexOf('|', cursorPos) ) != -1 ||
                 ( separatorPos = str.IndexOf('}', cursorPos) ) != -1) // if false there are no informations between the two separators
            {
                colors = ParseCollection(str.Substring(cursorPos, separatorPos - cursorPos), ParseIndexedColor);
                cursorPos = separatorPos + 1;
            }

            var scales = new short[0];
            if (( separatorPos = str.IndexOf('|', cursorPos) ) != -1 ||
                 ( separatorPos = str.IndexOf('}', cursorPos) ) != -1) // if false there are no informations between the two separators
            {
                scales = ParseCollection(str.Substring(cursorPos, separatorPos - cursorPos), short.Parse);
                cursorPos = separatorPos + 1;
            }

            var subEntities = new List<SubActorLook>();
            while (cursorPos < str.Length && (str.Length - cursorPos) >= 3)
            {
                var atSeparatorIndex = str.IndexOf('@', cursorPos, 3); // max size of a byte = 255, so 3 characters
                var equalsSeparatorIndex = str.IndexOf('=', atSeparatorIndex + 1, 3); // max size of a byte = 255, so 3 characters
                var category = byte.Parse(str.Substring(cursorPos, atSeparatorIndex - cursorPos));
                var index = byte.Parse(str.Substring(atSeparatorIndex + 1, equalsSeparatorIndex - ( atSeparatorIndex + 1 )));

                var hookDepth = 0;
                var i = equalsSeparatorIndex + 1;
                var subEntity = new StringBuilder();
                do
                {
                    subEntity.Append(str[i]);

                    switch (str[i])
                    {
                        case '{':
                            hookDepth++;
                            break;
                        case '}':
                            hookDepth--;
                            break;
                    }

                    i++;
                } while (hookDepth > 0);

                subEntities.Add(new SubActorLook((sbyte)index, (SubEntityBindingPointCategoryEnum) category, Parse(subEntity.ToString())));

                cursorPos = i + 1; // ignore the comma and the last '}' char
            }

            return new ActorLook(bonesId, skins, colors.ToDictionary(x => x.Item1, x => Color.FromArgb(x.Item2)), scales, subEntities.ToArray());
        }