/Multimedia/OpenTK/OpenTKMusic.cs

  1using System;
  2using Delta.Multimedia.BaseOpenAL;
  3using Delta.Utilities;
  4
  5namespace Delta.Multimedia.OpenTK
  6{
  7	/// <summary>
  8	/// OpenTK music
  9	/// Sample code for implementing
 10	/// -> http://www.opentk.com/node/1705
 11	/// </summary>
 12	internal class OpenTKMusic : NativeMusic
 13	{
 14		#region State (Public)
 15		/// <summary>
 16		/// The state of the music, just returning the property of the OggMusicData.
 17		/// </summary>
 18		public override MediaState State
 19		{
 20			get
 21			{
 22				return nativeMusicData.State;
 23			}
 24			protected set
 25			{
 26				base.State = value;
 27			}
 28		}
 29		#endregion
 30
 31		#region Private
 32
 33		#region nativeMusicData (Private)
 34		/// <summary>
 35		/// Music handle
 36		/// </summary>
 37		private OggMusicData nativeMusicData;
 38		#endregion
 39
 40		#endregion
 41
 42		#region Constructors
 43		/// <summary>
 44		/// Create OpenTK music
 45		/// </summary>
 46		/// <param name="parentMusic">Parent music instance.</param>
 47		public OpenTKMusic(Music parentMusic)
 48			: base(parentMusic)
 49		{
 50		}
 51		#endregion
 52
 53		#region LoadNativeData (Public)
 54		/// <summary>
 55		/// Load content data
 56		/// </summary>
 57		/// <param name="filename">Filename</param>
 58		/// <returns>True if loading succeeded, otherwise False.</returns>
 59		public override bool LoadNativeData(string filename)
 60		{
 61			try
 62			{
 63				nativeMusicData = new OggMusicData(this, filename);
 64			}
 65			catch (Exception)
 66			{
 67				return false;
 68			}
 69
 70			return true;
 71		}
 72		#endregion
 73
 74		#region Dispose (Public)
 75		/// <summary>
 76		/// Dispose data
 77		/// </summary>
 78		public override void Dispose()
 79		{
 80			if (nativeMusicData != null)
 81			{
 82				nativeMusicData.Dispose();
 83				nativeMusicData = null;
 84			}
 85		}
 86		#endregion
 87
 88		#region Methods (Private)
 89
 90		#region SetVolume
 91		/// <summary>
 92		/// Set the volume of the native OpenTK music.
 93		/// </summary>
 94		/// <param name="setVolume">Volume to set.</param>
 95		protected override void SetVolume(float setVolume)
 96		{
 97			volume = setVolume;
 98			nativeMusicData.Volume = volume;
 99		}
100		#endregion
101
102		#region PlayNative
103		/// <summary>
104		/// Play native
105		/// </summary>
106		protected override void PlayNative()
107		{
108			try
109			{
110				nativeMusicData.Play();
111			}
112			catch (Exception ex)
113			{
114				Log.Warning("Failed to play OpenTKMusic " + Parent.Name + ": " + ex);
115			}
116		}
117		#endregion
118
119		#region UpdateNative
120		/// <summary>
121		/// Updates the Music
122		/// </summary>
123		protected override void UpdateNative()
124		{
125			if (nativeMusicData != null)
126			{
127				nativeMusicData.Update(ref elapsedPlayTime);
128			}
129		}
130		#endregion
131
132		#region StopNative
133		/// <summary>
134		/// Stop native
135		/// </summary>
136		protected override void StopNative()
137		{
138			if (nativeMusicData != null)
139			{
140				nativeMusicData.Stop();
141			}
142		}
143		#endregion
144
145		#endregion
146	}
147}