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diff --git a/OpenSim/Region/Physics/BulletSNPlugin/BSShapes.cs b/OpenSim/Region/Physics/BulletSNPlugin/BSShapes.cs
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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 copyrightD
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 System.Collections.Generic;
30using System.Linq;
31using System.Text;
32
33namespace OpenSim.Region.Physics.BulletSNPlugin
34{
35public abstract class BSShape
36{
37 public Object ptr { get; set; }
38 public BSPhysicsShapeType type { get; set; }
39 public System.UInt64 key { get; set; }
40 public int referenceCount { get; set; }
41 public DateTime lastReferenced { get; set; }
42
43 public BSShape()
44 {
45 ptr = null;
46 type = BSPhysicsShapeType.SHAPE_UNKNOWN;
47 key = 0;
48 referenceCount = 0;
49 lastReferenced = DateTime.Now;
50 }
51
52 // Get a reference to a physical shape. Create if it doesn't exist
53 public static BSShape GetShapeReference(BSScene physicsScene, bool forceRebuild, BSPhysObject prim)
54 {
55 BSShape ret = null;
56
57 if (prim.PreferredPhysicalShape == BSPhysicsShapeType.SHAPE_CAPSULE)
58 {
59 // an avatar capsule is close to a native shape (it is not shared)
60 ret = BSShapeNative.GetReference(physicsScene, prim, BSPhysicsShapeType.SHAPE_CAPSULE,
61 FixedShapeKey.KEY_CAPSULE);
62 physicsScene.DetailLog("{0},BSShape.GetShapeReference,avatarCapsule,shape={1}", prim.LocalID, ret);
63 }
64
65 // Compound shapes are handled special as they are rebuilt from scratch.
66 // This isn't too great a hardship since most of the child shapes will already been created.
67 if (ret == null && prim.PreferredPhysicalShape == BSPhysicsShapeType.SHAPE_COMPOUND)
68 {
69 // Getting a reference to a compound shape gets you the compound shape with the root prim shape added
70 ret = BSShapeCompound.GetReference(prim);
71 physicsScene.DetailLog("{0},BSShapeCollection.CreateGeom,compoundShape,shape={1}", prim.LocalID, ret);
72 }
73
74 if (ret == null)
75 ret = GetShapeReferenceNonSpecial(physicsScene, forceRebuild, prim);
76
77 return ret;
78 }
79 public static BSShape GetShapeReferenceNonSpecial(BSScene physicsScene, bool forceRebuild, BSPhysObject prim)
80 {
81 return null;
82 }
83 public static BSShape GetShapeReferenceNonNative(BSScene physicsScene, bool forceRebuild, BSPhysObject prim)
84 {
85 return null;
86 }
87
88 // Release the use of a physical shape.
89 public abstract void Dereference(BSScene physicsScene);
90
91 // All shapes have a static call to get a reference to the physical shape
92 // protected abstract static BSShape GetReference();
93
94 public override string ToString()
95 {
96 StringBuilder buff = new StringBuilder();
97 buff.Append("<p=");
98 buff.Append(ptr.ToString());
99 buff.Append(",s=");
100 buff.Append(type.ToString());
101 buff.Append(",k=");
102 buff.Append(key.ToString("X"));
103 buff.Append(",c=");
104 buff.Append(referenceCount.ToString());
105 buff.Append(">");
106 return buff.ToString();
107 }
108}
109
110public class BSShapeNull : BSShape
111{
112 public BSShapeNull() : base()
113 {
114 }
115 public static BSShape GetReference() { return new BSShapeNull(); }
116 public override void Dereference(BSScene physicsScene) { /* The magic of garbage collection will make this go away */ }
117}
118
119public class BSShapeNative : BSShape
120{
121 private static string LogHeader = "[BULLETSIM SHAPE NATIVE]";
122 public BSShapeNative() : base()
123 {
124 }
125 public static BSShape GetReference(BSScene physicsScene, BSPhysObject prim,
126 BSPhysicsShapeType shapeType, FixedShapeKey shapeKey)
127 {
128 // Native shapes are not shared and are always built anew.
129 return new BSShapeNative(physicsScene, prim, shapeType, shapeKey);
130 }
131
132 private BSShapeNative(BSScene physicsScene, BSPhysObject prim,
133 BSPhysicsShapeType shapeType, FixedShapeKey shapeKey)
134 {
135 ShapeData nativeShapeData = new ShapeData();
136 nativeShapeData.Type = shapeType;
137 nativeShapeData.ID = prim.LocalID;
138 nativeShapeData.Scale = prim.Scale;
139 nativeShapeData.Size = prim.Scale;
140 nativeShapeData.MeshKey = (ulong)shapeKey;
141 nativeShapeData.HullKey = (ulong)shapeKey;
142
143
144 if (shapeType == BSPhysicsShapeType.SHAPE_CAPSULE)
145 {
146 ptr = BulletSimAPI.BuildCapsuleShape2(physicsScene.World.ptr, 1f, 1f, prim.Scale);
147 physicsScene.DetailLog("{0},BSShapeCollection.BuiletPhysicalNativeShape,capsule,scale={1}", prim.LocalID, prim.Scale);
148 }
149 else
150 {
151 ptr = BulletSimAPI.BuildNativeShape2(physicsScene.World.ptr, nativeShapeData);
152 }
153 if (ptr == null)
154 {
155 physicsScene.Logger.ErrorFormat("{0} BuildPhysicalNativeShape failed. ID={1}, shape={2}",
156 LogHeader, prim.LocalID, shapeType);
157 }
158 type = shapeType;
159 key = (UInt64)shapeKey;
160 }
161 // Make this reference to the physical shape go away since native shapes are not shared.
162 public override void Dereference(BSScene physicsScene)
163 {
164 // Native shapes are not tracked and are released immediately
165 physicsScene.DetailLog("{0},BSShapeCollection.DereferenceShape,deleteNativeShape,shape={1}", BSScene.DetailLogZero, this);
166 BulletSimAPI.DeleteCollisionShape2(physicsScene.World.ptr, ptr);
167 ptr = null;
168 // Garbage collection will free up this instance.
169 }
170}
171
172public class BSShapeMesh : BSShape
173{
174 private static string LogHeader = "[BULLETSIM SHAPE MESH]";
175 private static Dictionary<System.UInt64, BSShapeMesh> Meshes = new Dictionary<System.UInt64, BSShapeMesh>();
176
177 public BSShapeMesh() : base()
178 {
179 }
180 public static BSShape GetReference() { return new BSShapeNull(); }
181 public override void Dereference(BSScene physicsScene) { }
182}
183
184public class BSShapeHull : BSShape
185{
186 private static string LogHeader = "[BULLETSIM SHAPE HULL]";
187 private static Dictionary<System.UInt64, BSShapeHull> Hulls = new Dictionary<System.UInt64, BSShapeHull>();
188
189 public BSShapeHull() : base()
190 {
191 }
192 public static BSShape GetReference() { return new BSShapeNull(); }
193 public override void Dereference(BSScene physicsScene) { }
194}
195
196public class BSShapeCompound : BSShape
197{
198 private static string LogHeader = "[BULLETSIM SHAPE COMPOUND]";
199 public BSShapeCompound() : base()
200 {
201 }
202 public static BSShape GetReference(BSPhysObject prim)
203 {
204 return new BSShapeNull();
205 }
206 public override void Dereference(BSScene physicsScene) { }
207}
208}
generated by cgit v1.1 at 2024-11-06 02:19:37 +0000