AlphaTab.Importer.MusicXml2Importer.FindStringForValue C# (CSharp) Method

        private int FindStringForValue(Track track, Beat beat, int value)
        {
            // find strings which are already taken
            var takenStrings = new FastDictionary<int, bool>();
            for (int i = 0; i < beat.Notes.Count; i++)
            {
                var note = beat.Notes[i];
                takenStrings[note.String] = true;
            }

            // find a string where the note matches into 0 to <upperbound>

            // first try to find a string from 0-14 (more handy to play)
            // then try from 0-20 (guitars with high frets)
            // then unlimited
            int[] steps = { 14, 20, int.MaxValue };
            for (int i = 0; i < steps.Length; i++)
            {
                for (int j = 0; j < track.Tuning.Length; j++)
                {
                    if (!takenStrings.ContainsKey(j))
                    {
                        var min = track.Tuning[j];
                        var max = track.Tuning[j] + steps[i];

                        if (value >= min && value <= max)
                        {
                            return track.Tuning.Length - j;
                        }
                    }
                }
            }
            // will not happen
            return 1;
        }