/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the OpenSim Project nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*/
using System;
using System.Collections.Generic;
using System.Timers;
using Axiom.Math;
using OpenSim.Framework;

namespace OpenSim.Region.Physics.Manager
{
    [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 PhysicsVector 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 PhysicsVector Position
        {
            get { return PhysicsVector.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 { } }

    }
}