/// <summary>Stops the specified sound source.</summary>
/// <param name="source">The sound source, or a null reference.</param>
public void StopSound(SoundSource source)
{
if (source != null)
{
if (source.State == SoundSourceState.Playing)
{
AL.DeleteSources(1, ref source.OpenAlSourceName);
source.OpenAlSourceName = 0;
}
source.State = SoundSourceState.Stopped;
}
}
/// <summary>Plays the sound at the specified pitch and volume</summary>
/// <param name="pitch">The pitch</param>
/// <param name="volume">The volume</param>
/// <param name="Car">The parent car</param>
/// <param name="looped">Whether the sound is to be played looped</param>
public void Play(double pitch, double volume, AbstractCar Car, bool looped)
{
if (Buffer != null)
{
if (SoundsBase.Sources.Length == SoundsBase.SourceCount)
{
Array.Resize(ref SoundsBase.Sources, SoundsBase.Sources.Length << 1);
}
SoundsBase.Sources[SoundsBase.SourceCount] = new SoundSource(Buffer, Buffer.Radius, pitch, volume, Position, Car, looped);
this.Source = SoundsBase.Sources[SoundsBase.SourceCount];
SoundsBase.SourceCount++;
}
}
// --- tests ---
/// <summary>Checks whether the specified sound is playing or supposed to be playing.</summary>
/// <param name="Source">The sound source, or a null reference.</param>
/// <returns>Whether the sound is playing or supposed to be playing.</returns>
public bool IsPlaying(object Source)
{
SoundSource source = Source as SoundSource;
if (source != null)
{
if (source.State == SoundSourceState.PlayPending | source.State == SoundSourceState.Playing)
{
return(true);
}
}
return(false);
}
/// <summary>Plays a sound.</summary>
/// <param name="buffer">The sound buffer.</param>
/// <param name="pitch">The pitch change factor.</param>
/// <param name="volume">The volume change factor.</param>
/// <param name="position">The position. If a train car is specified, the position is relative to the car, otherwise absolute.</param>
/// <param name="looped">Whether to play the sound in a loop.</param>
/// <returns>The sound source.</returns>
public SoundSource PlaySound(SoundHandle buffer, double pitch, double volume, OpenBveApi.Math.Vector3 position, bool looped)
{
if (buffer is SoundBuffer)
{
SoundBuffer b = (SoundBuffer)buffer;
if (Sources.Length == SourceCount)
{
Array.Resize(ref Sources, Sources.Length << 1);
}
Sources[SourceCount] = new SoundSource(b, b.Radius, pitch, volume, position, null, looped);
SourceCount++;
return(Sources[SourceCount - 1]);
}
throw new NotSupportedException();
}
/// <summary>Creates a new empty car sound</summary>
public CarSound()
{
this.Position = Vector3.Zero;
this.Source = null;
this.Buffer = null;
}
/// <summary>Creates a new car sound</summary>
/// <param name="buffer">The sound buffer</param>
/// <param name="Position">The position that the sound is emitted from within the car</param>
/// <returns>The new car sound</returns>
public CarSound(SoundBuffer buffer, Vector3 Position)
{
this.Position = Position;
this.Source = null;
this.Buffer = buffer;
}
/// <summary>Creates a new car sound</summary>
/// <param name="handle">The API handle to the sound buffer</param>
/// <param name="Position">The position that the sound is emitted from within the car</param>
/// <returns>The new car sound</returns>
public CarSound(SoundHandle handle, Vector3 Position)
{
this.Buffer = handle as SoundBuffer;
this.Position = Position;
this.Source = null;
}
public SoundSourceAttenuation(SoundSource source, double gain, double distance)
{
Source = source;
Gain = gain;
Distance = distance;
}