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47 lines
1.5 KiB
47 lines
1.5 KiB
// Author: Gockner, Simon
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// Created: 2021-04-07
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// Copyright(c) 2021 SimonG. All Rights Reserved.
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using Lib.Audio.Controls.Buttons.Interfaces;
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using Lib.Audio.Interfaces;
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using Lib.Midi.Messages;
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using Lib.Midi.Messages.Interfaces;
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namespace Lib.Audio.Controls.Buttons
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{
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public class Button : IButton //TODO: Make abstract?
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{
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private readonly int _channelNumber;
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public Button(int noteNumber, byte controller, int channelNumber)
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{
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NoteNumber = noteNumber;
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Controller = controller;
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_channelNumber = channelNumber;
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}
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public int NoteNumber { get; }
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public byte Controller { get; }
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protected bool IsActive { get; private set; }
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public virtual IMidiMessage? HandlePressed(IControllable? controllable, Velocity velocity)
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{
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if (velocity != Velocity.On)
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return null;
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IsActive = !IsActive;
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Handle(controllable);
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return IsActive ? LedOn() : LedOff();
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}
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public IMidiMessage ToggleLed(LedState ledState) => ledState == LedState.Off ? LedOff() : LedOn();
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protected virtual void Handle(IControllable? controllable)
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{
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}
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private IMidiMessage LedOn() => new NoteOnMessage(0, _channelNumber, NoteNumber, (int) Velocity.On, 0);
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private IMidiMessage LedOff() => new NoteMessage(0, _channelNumber, NoteNumber, (int) Velocity.Off);
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}
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} |