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diff --git a/OpenSim/Region/Physics/BulletSNPlugin/BulletSimData.cs b/OpenSim/Region/Physics/BulletSNPlugin/BulletSimData.cs
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--- a/OpenSim/Region/Physics/BulletSNPlugin/BulletSimData.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 */
27using System;
28using System.Collections.Generic;
29using System.Text;
30using OMV = OpenMetaverse;
31
32namespace OpenSim.Region.Physics.BulletSNPlugin
33{
34// Classes to allow some type checking for the API
35// These hold pointers to allocated objects in the unmanaged space.
36
37// The physics engine controller class created at initialization
38public struct BulletWorld
39{
40 public BulletWorld(uint worldId, BSScene bss, object xx)
41 {
42 ptr = xx;
43 worldID = worldId;
44 physicsScene = bss;
45 }
46 public object ptr;
47 public uint worldID;
48 // The scene is only in here so very low level routines have a handle to print debug/error messages
49 public BSScene physicsScene;
50}
51
52// An allocated Bullet btRigidBody
53public struct BulletBody
54{
55 public BulletBody(uint id) : this(id, null)
56 {
57 }
58 public BulletBody(uint id, object xx)
59 {
60 ID = id;
61 ptr = xx;
62 collisionType = CollisionType.Static;
63 }
64 public object ptr;
65 public uint ID;
66 public CollisionType collisionType;
67
68 public void Clear()
69 {
70 ptr = null;
71 }
72 public bool HasPhysicalBody { get { return ptr != null; } }
73
74 // Apply the specificed collision mask into the physical world
75 public void ApplyCollisionMask()
76 {
77 // Should assert the body has been added to the physical world.
78 // (The collision masks are stored in the collision proxy cache which only exists for
79 // a collision body that is in the world.)
80 BulletSimAPI.SetCollisionGroupMask2(ptr,
81 BulletSimData.CollisionTypeMasks[collisionType].group,
82 BulletSimData.CollisionTypeMasks[collisionType].mask);
83 }
84
85 public override string ToString()
86 {
87 StringBuilder buff = new StringBuilder();
88 buff.Append("<id=");
89 buff.Append(ID.ToString());
90 buff.Append(",p=");
91 buff.Append(ptr.ToString());
92 buff.Append(",c=");
93 buff.Append(collisionType);
94 buff.Append(">");
95 return buff.ToString();
96 }
97}
98
99public struct BulletShape
100{
101 public BulletShape(object xx) : this(xx, BSPhysicsShapeType.SHAPE_UNKNOWN)
102 {
103 }
104 public BulletShape(object xx, BSPhysicsShapeType typ)
105 {
106 ptr = xx;
107 type = typ;
108 shapeKey = (System.UInt64)FixedShapeKey.KEY_NONE;
109 isNativeShape = false;
110 }
111 public object ptr;
112 public BSPhysicsShapeType type;
113 public System.UInt64 shapeKey;
114 public bool isNativeShape;
115
116 public void Clear()
117 {
118 ptr = null;
119 }
120 public bool HasPhysicalShape { get { return ptr != null; } }
121
122 public override string ToString()
123 {
124 StringBuilder buff = new StringBuilder();
125 buff.Append("<p=");
126 buff.Append(ptr.ToString());
127 buff.Append(",s=");
128 buff.Append(type.ToString());
129 buff.Append(",k=");
130 buff.Append(shapeKey.ToString("X"));
131 buff.Append(",n=");
132 buff.Append(isNativeShape.ToString());
133 buff.Append(">");
134 return buff.ToString();
135 }
136}
137
138// An allocated Bullet btConstraint
139public struct BulletConstraint
140{
141 public BulletConstraint(object xx)
142 {
143 ptr = xx;
144 }
145 public object ptr;
146
147 public void Clear()
148 {
149 ptr = null;
150 }
151 public bool HasPhysicalConstraint { get { return ptr != null; } }
152}
153
154// An allocated HeightMapThing which holds various heightmap info.
155// Made a class rather than a struct so there would be only one
156// instance of this and C# will pass around pointers rather
157// than making copies.
158public class BulletHeightMapInfo
159{
160 public BulletHeightMapInfo(uint id, float[] hm, object xx) {
161 ID = id;
162 Ptr = xx;
163 heightMap = hm;
164 terrainRegionBase = OMV.Vector3.Zero;
165 minCoords = new OMV.Vector3(100f, 100f, 25f);
166 maxCoords = new OMV.Vector3(101f, 101f, 26f);
167 minZ = maxZ = 0f;
168 sizeX = sizeY = 256f;
169 }
170 public uint ID;
171 public object Ptr;
172 public float[] heightMap;
173 public OMV.Vector3 terrainRegionBase;
174 public OMV.Vector3 minCoords;
175 public OMV.Vector3 maxCoords;
176 public float sizeX, sizeY;
177 public float minZ, maxZ;
178 public BulletShape terrainShape;
179 public BulletBody terrainBody;
180
181 public float collisionMargin { get; set; }
182}
183
184// The general class of collsion object.
185public enum CollisionType
186{
187 Avatar,
188 Groundplane,
189 Terrain,
190 Static,
191 Dynamic,
192 VolumeDetect,
193 // Linkset, // A linkset should be either Static or Dynamic
194 LinksetChild,
195 Unknown
196};
197
198// Hold specification of group and mask collision flags for a CollisionType
199public struct CollisionTypeFilterGroup
200{
201 public CollisionTypeFilterGroup(CollisionType t, uint g, uint m)
202 {
203 type = t;
204 group = g;
205 mask = m;
206 }
207 public CollisionType type;
208 public uint group;
209 public uint mask;
210};
211
212 /* NOTE: old definitions kept for reference. Delete when things are working.
213 // The collsion filters and masked are defined in one place -- don't want them scattered
214 AvatarGroup = BCharacterGroup,
215 AvatarMask = BAllGroup,
216 ObjectGroup = BSolidGroup,
217 ObjectMask = BAllGroup,
218 StaticObjectGroup = BStaticGroup,
219 StaticObjectMask = AvatarGroup | ObjectGroup, // static things don't interact with much
220 LinksetGroup = BLinksetGroup,
221 LinksetMask = BAllGroup,
222 LinksetChildGroup = BLinksetChildGroup,
223 LinksetChildMask = BNoneGroup, // Linkset children disappear from the world
224 VolumeDetectGroup = BSensorTrigger,
225 VolumeDetectMask = ~BSensorTrigger,
226 TerrainGroup = BTerrainGroup,
227 TerrainMask = BAllGroup & ~BStaticGroup, // static objects on the ground don't collide
228 GroundPlaneGroup = BGroundPlaneGroup,
229 GroundPlaneMask = BAllGroup
230 */
231
232public static class BulletSimData
233{
234
235// Map of collisionTypes to flags for collision groups and masks.
236// As mentioned above, don't use the CollisionFilterGroups definitions directly in the code
237// but, instead, use references to this dictionary. Finding and debugging
238// collision flag problems will be made easier.
239public static Dictionary<CollisionType, CollisionTypeFilterGroup> CollisionTypeMasks
240 = new Dictionary<CollisionType, CollisionTypeFilterGroup>()
241{
242 { CollisionType.Avatar,
243 new CollisionTypeFilterGroup(CollisionType.Avatar,
244 (uint)CollisionFilterGroups.BCharacterGroup,
245 (uint)CollisionFilterGroups.BAllGroup)
246 },
247 { CollisionType.Groundplane,
248 new CollisionTypeFilterGroup(CollisionType.Groundplane,
249 (uint)CollisionFilterGroups.BGroundPlaneGroup,
250 (uint)CollisionFilterGroups.BAllGroup)
251 },
252 { CollisionType.Terrain,
253 new CollisionTypeFilterGroup(CollisionType.Terrain,
254 (uint)CollisionFilterGroups.BTerrainGroup,
255 (uint)(CollisionFilterGroups.BAllGroup & ~CollisionFilterGroups.BStaticGroup))
256 },
257 { CollisionType.Static,
258 new CollisionTypeFilterGroup(CollisionType.Static,
259 (uint)CollisionFilterGroups.BStaticGroup,
260 (uint)(CollisionFilterGroups.BCharacterGroup | CollisionFilterGroups.BSolidGroup))
261 },
262 { CollisionType.Dynamic,
263 new CollisionTypeFilterGroup(CollisionType.Dynamic,
264 (uint)CollisionFilterGroups.BSolidGroup,
265 (uint)(CollisionFilterGroups.BAllGroup))
266 },
267 { CollisionType.VolumeDetect,
268 new CollisionTypeFilterGroup(CollisionType.VolumeDetect,
269 (uint)CollisionFilterGroups.BSensorTrigger,
270 (uint)(~CollisionFilterGroups.BSensorTrigger))
271 },
272 { CollisionType.LinksetChild,
273 new CollisionTypeFilterGroup(CollisionType.LinksetChild,
274 (uint)CollisionFilterGroups.BTerrainGroup,
275 (uint)(CollisionFilterGroups.BNoneGroup))
276 },
277};
278
279}
280}
generated by cgit v1.1 at 2024-11-05 12:52:12 +0000