OpenSim-Test/OpenSim/Region/PhysicsModules/SharedBase/PhysicsSensor.cs

/*
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 *       derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 */

using System;
using System.Timers;
using OpenMetaverse;

namespace OpenSim.Region.PhysicsModules.SharedBase
{
    [Flags]
    public enum SenseType : uint
    {
        NONE = 0,
        AGENT = 1,
        ACTIVE = 2,
        PASSIVE = 3,
        SCRIPTED = 4
    }

    public abstract class PhysicsSensor
    {
        public static PhysicsSensor Null
        {
            get { return new NullPhysicsSensor(); }
        }
        public abstract Vector3 Position { get; set; }
        public abstract void TimerCallback (object obj, ElapsedEventArgs eea);
        public abstract float radianarc {get; set;}
        public abstract string targetname {get; set;}
        public abstract Guid targetKey{get;set;}
        public abstract SenseType sensetype { get;set;}
        public abstract float range { get;set;}
        public abstract float rateSeconds { get;set;}
    }

    public class NullPhysicsSensor : PhysicsSensor
    {
        public override Vector3 Position
        {
            get { return Vector3.Zero; }
            set { return; }
        }
        public override void TimerCallback(object obj, ElapsedEventArgs eea)
        {
            // don't do squat
        }
        public override float radianarc { get { return 0f; } set { } }
        public override string targetname { get { return ""; } set { } }
        public override Guid targetKey { get { return Guid.Empty; } set { } }
        public override SenseType sensetype { get { return SenseType.NONE; } set { } }
        public override float range { get { return 0; } set { } }
        public override float rateSeconds { get { return 0; } set { } }
    }
}