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/*
* 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 OpenSim.Framework;

/*
 * This is the zero mesher.
 * Whatever you want him to mesh, he can't, telling you that by responding with a null pointer.
 * Effectivly this is for switching off meshing and for testing as each physics machine should deal 
 * with the null pointer situation.
 * But it's also a convenience thing, as physics machines can rely on having a mesher in any situation, even 
 * if it's a dump one like this.
 * Note, that this mesher is *not* living in a module but in the manager itself, so
 * it's always availabe and thus the default in case of configuration errors
*/

namespace OpenSim.Region.Physics.Manager
{
    public class ZeroMesherPlugin : IMeshingPlugin
    {
        public ZeroMesherPlugin()
        {
        }

        public string GetName()
        {
            return "ZeroMesher";
        }

        public IMesher GetMesher()
        {
            return new ZeroMesher();
        }
    }

    public class ZeroMesher : IMesher
    {
        public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, PhysicsVector size)
        {
            return null;
        }
    }
}