1 files changed, 126 insertions, 0 deletions
diff --git a/ShiftOS_TheReturn/AudioManager.cs b/ShiftOS_TheReturn/AudioManager.cs
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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; }
+    }
+}