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/*
* MIT License
*
* Copyright (c) 2017 Michael VanOverbeek and ShiftOS devs
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define NOSOUND
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using NAudio;
using NAudio.Wave;
namespace ShiftOS.Engine
{
public static class AudioManager
{
private static WaveOut _out = null;
private static AudioFileReader _reader = null;
private static IAudioProvider _provider = null;
private static bool _running = true;
public static void Init(IAudioProvider _p)
{
#if !NOSOUND
_provider = _p;
AppearanceManager.OnExit += () =>
{
_running = false;
_out?.Stop();
_reader?.Dispose();
_out?.Dispose();
System.IO.File.Delete("temp.mp3");
};
var t = new Thread(() =>
{
SaveSystem.GameReady += () =>
{
while(_out == null)
{
}
_out.Volume = _provider.Volume;
};
Random rnd = new Random();
while(_running == true)
{
int track = rnd.Next(0, _provider.Count);
byte[] mp3 = _provider.GetTrack(track);
System.IO.File.WriteAllBytes("temp.mp3", mp3);
_reader = new AudioFileReader("temp.mp3");
_out = new WaveOut();
_out.Init(_reader);
_out.Volume = _provider.Volume;
_out.Play();
while(_out.PlaybackState == PlaybackState.Playing)
{
Thread.Sleep(5000); //even when the player isn't playing, this will give a good delay between songs.
}
_reader.Dispose();
_out.Dispose();
}
});
t.IsBackground = true;
t.Start();
#endif
}
public static void SetVolume(float volume)
{
_provider.Volume = volume; //persist between songs
_out.Volume = volume;
}
internal static void Kill()
{
_running = false;
_out.Stop();
_out.Dispose();
_reader.Dispose();
}
}
public interface IAudioProvider
{
/// <summary>
/// Gets a byte[] array corresponding to an MP3 track given an index.
/// </summary>
/// <param name="index">A track index to use when finding the right track.</param>
/// <returns>The MP3 byte[] array.</returns>
byte[] GetTrack(int index);
/// <summary>
/// Gets the 1-based count of all available tracks.
/// </summary>
int Count { get; }
/// <summary>
/// Gets or sets the track player's volume.
/// </summary>
float Volume { get; set; }
}
}
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