FineAudio/AudioListener.cs

using System;
using MoonWorks.Math;

namespace MoonWorks.Audio
{
    public class AudioListener : AudioResource
    {
        internal FAudio.F3DAUDIO_LISTENER listenerData;

		public Vector3 Forward
		{
			get
			{
				return new Vector3(
					listenerData.OrientFront.x,
					listenerData.OrientFront.y,
					-listenerData.OrientFront.z
				);
			}
			set
			{
				listenerData.OrientFront.x = value.X;
				listenerData.OrientFront.y = value.Y;
				listenerData.OrientFront.z = -value.Z;
			}
		}

		public Vector3 Position
		{
			get
			{
				return new Vector3(
					listenerData.Position.x,
					listenerData.Position.y,
					-listenerData.Position.z
				);
			}
			set
			{
				listenerData.Position.x = value.X;
				listenerData.Position.y = value.Y;
				listenerData.Position.z = -value.Z;
			}
		}


		public Vector3 Up
		{
			get
			{
				return new Vector3(
					listenerData.OrientTop.x,
					listenerData.OrientTop.y,
					-listenerData.OrientTop.z
				);
			}
			set
			{
				listenerData.OrientTop.x = value.X;
				listenerData.OrientTop.y = value.Y;
				listenerData.OrientTop.z = -value.Z;
			}
		}

		public Vector3 Velocity
		{
			get
			{
				return new Vector3(
					listenerData.Velocity.x,
					listenerData.Velocity.y,
					-listenerData.Velocity.z
				);
			}
			set
			{
				listenerData.Velocity.x = value.X;
				listenerData.Velocity.y = value.Y;
				listenerData.Velocity.z = -value.Z;
			}
		}

        public AudioListener(AudioDevice device) : base(device)
        {
            listenerData = new FAudio.F3DAUDIO_LISTENER();
            Forward = Vector3.Forward;
            Position = Vector3.Zero;
            Up = Vector3.Up;
            Velocity = Vector3.Zero;

            /* Unexposed variables, defaults based on XNA behavior */
			listenerData.pCone = IntPtr.Zero;
        }

        protected override void Destroy() { }
    }
}