readFromChunk static method

List<PresetInfo> readFromChunk(BinaryReader reader, int size)

Implementation

static List<PresetInfo> readFromChunk(BinaryReader reader, int size)
{
    if (size % 38 != 0)
    {
        throw "The preset list is invalid.";
    }

    int count = size ~/ 38;

    List<PresetInfo> p = [];

    for (int i = 0; i < count; i++)
    {
        String name = reader.readFixedLengthString(20);
        int patchNumber = reader.readUInt16();
        int bankNumber = reader.readUInt16();
        int zoneStartIndex = reader.readUInt16();
        int library = reader.readInt32();
        int genre = reader.readInt32();
        int morphology = reader.readInt32();

        p.add(PresetInfo(
            name: name,
            patchNumber: patchNumber,
            bankNumber: bankNumber,
            zoneStartIndex: zoneStartIndex,
            zoneEndIndex: 0,
            library: library,
            genre: genre,
            morphology: morphology,
        ));
    }

    List<PresetInfo> presets = [];

    for (int i = 0; i < count - 1; i++)
    {
      int zoneIndexEnd = p[i + 1].zoneStartIndex - 1;

      presets.add(PresetInfo(
          name: p[i].name,
          patchNumber: p[i].patchNumber,
          bankNumber: p[i].bankNumber,
          zoneStartIndex: p[i].zoneStartIndex,
          zoneEndIndex: zoneIndexEnd,
          library: p[i].library,
          genre: p[i].genre,
          morphology: p[i].morphology,
      ));
    }

    // the last one stays the same
    presets.add(p[count - 1]);

    return presets;
}