/* * Copyright (C) 2022 Lukas Eisenhauer * * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or(at your option) any later version. * * This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.lukas.music.instruments import com.lukas.music.song.note.Note class PolyInstrument(name: String) : Instrument(name) { private val internalInstruments = Array(3) { InternalInstrument() } private val playing = Array(3) { false } override var waveform: Waveform = Waveform.SINE set(value) { field = value for (internalInstrument in internalInstruments) { internalInstrument.waveform = value } } override fun startNote(note: Note) { for ((index, instrumentPlaying) in playing.withIndex()) { if (!instrumentPlaying) { internalInstruments[index].startNote(note.frequency) playing[index] = true return } } throw IllegalStateException("cannot start another note with the current amount of oscillators") } override fun changeActive(newActive: Boolean) { for (instrument in internalInstruments) { instrument.active = newActive } } override fun stop() { for ((i, instrument) in internalInstruments.withIndex()) { instrument.endNote() playing[i] = false } } }