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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28using System;
29using OpenSim.Framework;
30using OpenMetaverse;
31using Nini.Config;
32
33/*
34 * This is the zero mesher.
35 * Whatever you want him to mesh, he can't, telling you that by responding with a null pointer.
36 * Effectivly this is for switching off meshing and for testing as each physics machine should deal
37 * with the null pointer situation.
38 * But it's also a convenience thing, as physics machines can rely on having a mesher in any situation, even
39 * if it's a dump one like this.
40 * Note, that this mesher is *not* living in a module but in the manager itself, so
41 * it's always availabe and thus the default in case of configuration errors
42*/
43
44namespace OpenSim.Region.Physics.Manager
45{
46 public class ZeroMesherPlugin : IMeshingPlugin
47 {
48 public ZeroMesherPlugin()
49 {
50 }
51
52 public string GetName()
53 {
54 return "ZeroMesher";
55 }
56
57 public IMesher GetMesher(IConfigSource config)
58 {
59 return new ZeroMesher();
60 }
61 }
62
63 public class ZeroMesher : IMesher
64 {
65 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod)
66 {
67 return CreateMesh(primName, primShape, size, lod, false, false);
68 }
69
70 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical)
71 {
72 return CreateMesh(primName, primShape, size, lod, false, false);
73 }
74
75 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool shouldCache)
76 {
77 // Remove the reference to the encoded JPEG2000 data so it can be GCed
78 primShape.SculptData = OpenMetaverse.Utils.EmptyBytes;
79
80 return null;
81 }
82 }
83}