!7

import static x30_pkg.x30_util.VF1;

sclass PlaySyncedAudioLoop > DynModule {

  bool enabled = true;

  float gain = 0.5f;

  File file;

  S masterModule;

  double speed = 1;

  transient short[] loop;

  transient SyncedStereoSamplesIterator source;

  transient GainSoundSource gainSource;

  start {

    dm_addSoundSource(gainSource = GainSoundSource(0));

    onChangeAndNow(r {

      set(gainSource, gain := enabled ? (double) gain : 0.0);

    });

    loadFile(file);

  }

  visualize {

    ret jHandleFileDrop(voidfunc(final File f) enter { thread { loadFile(f); } },

      centerAndSouth(

        vstackWithSpacing(

          withLabel("Master:", dm_moduleSelectorComboBox(dm_fieldLiveValue('masterModule))),

          withLabel("File:", dm_fieldLabel('file))),

        centerAndEast(

          withLabel("Volume (0-200%):", liveSliderZeroToOne(gain/2, voidfunc(float f) { setField(gain := f*2) })),

          dm_fieldCheckBox('enabled))));

  }

  void loadFile(File f) {

    loop = null;

    setField(file := f);

    print("Loading audio file: " + f);

    pcall { loop = decodeAudioFileToStereoSamples(f); }

    gainSource.replaceSource(source = SyncedStereoSamplesIterator(masterModule, loop));

  }

}