Ejemplo n.º 1
0
 public Note(NoteName name)
 {
     Note note = new Notes()[name];
     _name = note.Name;
     _alias = note.Alias;
     _hertz = note.Hertz;
     _positions = note.Positions;
 }
        /// <summary>
        /// Reads a sequence from a *.vgts file.
        /// </summary>
        /// <param name="fileName">The file's name (no extension).</param>
        /// <returns>Returns the sequence of that file.</returns>
        protected Sequence SequenceReader(string fileName)
        {
            //string songsFolderPath = _activity.Resources.GetString(Resource.String.SongsFolderPath);

            string[] sequenceLines = GetFileLinesFromAssets(fileName + SONG_FILE_EXTENSION, _activity.Assets);

            DiscardCommentsAndEmptyLines(ref sequenceLines);

            Sequence sequence = new Sequence(sequenceLines.Length);
            string[] lineSegments;
            Notes notesReference = new Notes();

            for (int i = 0; i < sequenceLines.Length; i++)
            {
                string line = sequenceLines[i];
                lineSegments = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

                NoteName noteName;
                double delay, duration;

                bool isNoteName = NoteName.TryParse(lineSegments[0], out noteName);
                bool isDouble1 = double.TryParse(lineSegments[1], out delay);
                bool isDouble2 = double.TryParse(lineSegments[2], out duration);
                
                if (!(isNoteName && isDouble1 && isDouble2))
                    throw new Exception("Parsing segments of song file failed. "
                        + "Only the following format is allowed: string double double. "
                        + "And make sure the string name is spelled correctly.");

                Note note = notesReference[noteName];

                if (i == 0)
                    note = new Note(noteName,
                    note.Positions[0],
                    delay,
                    duration);
                else
                    note = new Note(noteName,
                    CalculateClosestPositionFromPreviousNote(sequence[i - 1], note),
                    delay,
                    duration);

                sequence[i] = note;
            }
            return sequence;
        }