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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 OpenSimulator 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.Reflection;
using OpenSim.Framework;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.PhysicsModules.SharedBase;
using OpenMetaverse;
using Nini.Config;
using Mono.Addins;
using log4net;
/*
* 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.PhysicsModule.Meshing
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "ZeroMesher")]
public class ZeroMesher : IMesher, INonSharedRegionModule
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private bool m_Enabled = false;
#region INonSharedRegionModule
public string Name
{
get { return "ZeroMesher"; }
}
public Type ReplaceableInterface
{
get { return null; }
}
public void Initialise(IConfigSource source)
{
// TODO: Move this out of Startup
IConfig config = source.Configs["Startup"];
if (config != null)
{
// This is the default Mesher
string mesher = config.GetString("meshing", Name);
if (mesher == Name)
m_Enabled = true;
}
}
public void Close()
{
}
public void AddRegion(Scene scene)
{
if (!m_Enabled)
return;
scene.RegisterModuleInterface<IMesher>(this);
}
public void RemoveRegion(Scene scene)
{
if (!m_Enabled)
return;
scene.UnregisterModuleInterface<IMesher>(this);
}
public void RegionLoaded(Scene scene)
{
if (!m_Enabled)
return;
}
#endregion
#region IMesher
public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod)
{
return CreateMesh(primName, primShape, size, lod, false);
}
public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool shouldCache, bool convex, bool forOde)
{
return CreateMesh(primName, primShape, size, lod, false);
}
public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool convex,bool forOde)
{
return CreateMesh(primName, primShape, size, lod, false);
}
public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical)
{
// Remove the reference to the encoded JPEG2000 data so it can be GCed
primShape.SculptData = OpenMetaverse.Utils.EmptyBytes;
return null;
}
public IMesh GetMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool convex)
{
return null;
}
public void ReleaseMesh(IMesh mesh) { }
public void ExpireReleaseMeshs() { }
public void ExpireFileCache() { }
#endregion
}
}
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