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authorRobert Adams2015-09-08 06:15:46 -0700
committerRobert Adams2015-09-08 06:15:46 -0700
commit4dd17c4117ea413fb0c4418511956cb3abfe258c (patch)
tree6f31a583610f8bf074d1f0b4e7ab6ccef37dec9a /OpenSim/Region/Physics/ChOdePlugin/ODERayCastRequestManager.cs
parentMerge of ubitworkvarnew with opensim/master as of 20150905. (diff)
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More 'everything is a module' merging.
Have most of UbitOde converted. There are compile errors in OpenSimBase as the new modules stuff is not all there. Removed ChOdePlugin as it's connection to OdePlugin was tangled.
Diffstat (limited to 'OpenSim/Region/Physics/ChOdePlugin/ODERayCastRequestManager.cs')
-rw-r--r--OpenSim/Region/Physics/ChOdePlugin/ODERayCastRequestManager.cs384
1 files changed, 0 insertions, 384 deletions
diff --git a/OpenSim/Region/Physics/ChOdePlugin/ODERayCastRequestManager.cs b/OpenSim/Region/Physics/ChOdePlugin/ODERayCastRequestManager.cs
deleted file mode 100644
index 712029e..0000000
--- a/OpenSim/Region/Physics/ChOdePlugin/ODERayCastRequestManager.cs
+++ /dev/null
@@ -1,384 +0,0 @@
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 System.Collections.Generic;
30using System.Reflection;
31using System.Runtime.InteropServices;
32using System.Text;
33using OpenMetaverse;
34using OpenSim.Region.Physics.Manager;
35using Ode.NET;
36using log4net;
37
38namespace OpenSim.Region.Physics.OdePlugin
39{
40 /// <summary>
41 /// Processes raycast requests as ODE is in a state to be able to do them.
42 /// This ensures that it's thread safe and there will be no conflicts.
43 /// Requests get returned by a different thread then they were requested by.
44 /// </summary>
45 public class ODERayCastRequestManager
46 {
47 /// <summary>
48 /// Pending Raycast Requests
49 /// </summary>
50 protected List<ODERayCastRequest> m_PendingRequests = new List<ODERayCastRequest>();
51
52 /// <summary>
53 /// Scene that created this object.
54 /// </summary>
55 private OdeScene m_scene;
56
57 /// <summary>
58 /// ODE contact array to be filled by the collision testing
59 /// </summary>
60 d.ContactGeom[] contacts = new d.ContactGeom[5];
61
62 /// <summary>
63 /// ODE near callback delegate
64 /// </summary>
65 private d.NearCallback nearCallback;
66 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
67 private List<ContactResult> m_contactResults = new List<ContactResult>();
68
69
70 public ODERayCastRequestManager(OdeScene pScene)
71 {
72 m_scene = pScene;
73 nearCallback = near;
74
75 }
76
77 /// <summary>
78 /// Queues a raycast
79 /// </summary>
80 /// <param name="position">Origin of Ray</param>
81 /// <param name="direction">Ray normal</param>
82 /// <param name="length">Ray length</param>
83 /// <param name="retMethod">Return method to send the results</param>
84 public void QueueRequest(Vector3 position, Vector3 direction, float length, RaycastCallback retMethod)
85 {
86 lock (m_PendingRequests)
87 {
88 ODERayCastRequest req = new ODERayCastRequest();
89 req.callbackMethod = retMethod;
90 req.length = length;
91 req.Normal = direction;
92 req.Origin = position;
93
94 m_PendingRequests.Add(req);
95 }
96 }
97
98 /// <summary>
99 /// Process all queued raycast requests
100 /// </summary>
101 /// <returns>Time in MS the raycasts took to process.</returns>
102 public int ProcessQueuedRequests()
103 {
104 int time = System.Environment.TickCount;
105 lock (m_PendingRequests)
106 {
107 if (m_PendingRequests.Count > 0)
108 {
109 ODERayCastRequest[] reqs = m_PendingRequests.ToArray();
110 for (int i = 0; i < reqs.Length; i++)
111 {
112 try
113 {
114 if (reqs[i].callbackMethod != null) // quick optimization here, don't raycast
115 RayCast(reqs[i]); // if there isn't anyone to send results
116 }
117 catch
118 {
119 //Fail silently
120 //This can genuinely happen because raycast requests are queued, and the actor may have
121 //been removed from the scene since it was queued
122 }
123 }
124 /*
125 foreach (ODERayCastRequest req in m_PendingRequests)
126 {
127 if (req.callbackMethod != null) // quick optimization here, don't raycast
128 RayCast(req); // if there isn't anyone to send results to
129
130 }
131 */
132 m_PendingRequests.Clear();
133 }
134 }
135
136 lock (m_contactResults)
137 m_contactResults.Clear();
138
139 return System.Environment.TickCount - time;
140 }
141
142 /// <summary>
143 /// Method that actually initiates the raycast
144 /// </summary>
145 /// <param name="req"></param>
146 private void RayCast(ODERayCastRequest req)
147 {
148 // Create the ray
149 IntPtr ray = d.CreateRay(m_scene.space, req.length);
150 d.GeomRaySet(ray, req.Origin.X, req.Origin.Y, req.Origin.Z, req.Normal.X, req.Normal.Y, req.Normal.Z);
151
152 // Collide test
153 d.SpaceCollide2(m_scene.space, ray, IntPtr.Zero, nearCallback);
154
155 // Remove Ray
156 d.GeomDestroy(ray);
157
158
159 // Define default results
160 bool hitYN = false;
161 uint hitConsumerID = 0;
162 float distance = 999999999999f;
163 Vector3 closestcontact = new Vector3(99999f, 99999f, 99999f);
164 Vector3 snormal = Vector3.Zero;
165
166 // Find closest contact and object.
167 lock (m_contactResults)
168 {
169 foreach (ContactResult cResult in m_contactResults)
170 {
171 if (Vector3.Distance(req.Origin, cResult.Pos) < Vector3.Distance(req.Origin, closestcontact))
172 {
173 closestcontact = cResult.Pos;
174 hitConsumerID = cResult.ConsumerID;
175 distance = cResult.Depth;
176 hitYN = true;
177 snormal = cResult.Normal;
178 }
179 }
180
181 m_contactResults.Clear();
182 }
183
184 // Return results
185 if (req.callbackMethod != null)
186 req.callbackMethod(hitYN, closestcontact, hitConsumerID, distance, snormal);
187 }
188
189 // This is the standard Near. Uses space AABBs to speed up detection.
190 private void near(IntPtr space, IntPtr g1, IntPtr g2)
191 {
192
193 //Don't test against heightfield Geom, or you'll be sorry!
194
195 /*
196 terminate called after throwing an instance of 'std::bad_alloc'
197 what(): std::bad_alloc
198 Stacktrace:
199
200 at (wrapper managed-to-native) Ode.NET.d.Collide (intptr,intptr,int,Ode.NET.d/ContactGeom[],int) <0x00004>
201 at (wrapper managed-to-native) Ode.NET.d.Collide (intptr,intptr,int,Ode.NET.d/ContactGeom[],int) <0xffffffff>
202 at OpenSim.Region.Physics.OdePlugin.ODERayCastRequestManager.near (intptr,intptr,intptr) <0x00280>
203 at (wrapper native-to-managed) OpenSim.Region.Physics.OdePlugin.ODERayCastRequestManager.near (intptr,intptr,intptr) <0xfff
204 fffff>
205 at (wrapper managed-to-native) Ode.NET.d.SpaceCollide2 (intptr,intptr,intptr,Ode.NET.d/NearCallback) <0x00004>
206 at (wrapper managed-to-native) Ode.NET.d.SpaceCollide2 (intptr,intptr,intptr,Ode.NET.d/NearCallback) <0xffffffff>
207 at OpenSim.Region.Physics.OdePlugin.ODERayCastRequestManager.RayCast (OpenSim.Region.Physics.OdePlugin.ODERayCastRequest) <
208 0x00114>
209 at OpenSim.Region.Physics.OdePlugin.ODERayCastRequestManager.ProcessQueuedRequests () <0x000eb>
210 at OpenSim.Region.Physics.OdePlugin.OdeScene.Simulate (single) <0x017e6>
211 at OpenSim.Region.Framework.Scenes.SceneGraph.UpdatePhysics (double) <0x00042>
212 at OpenSim.Region.Framework.Scenes.Scene.Update () <0x0039e>
213 at OpenSim.Region.Framework.Scenes.Scene.Heartbeat (object) <0x00019>
214 at (wrapper runtime-invoke) object.runtime_invoke_void__this___object (object,intptr,intptr,intptr) <0xffffffff>
215
216 Native stacktrace:
217
218 mono [0x80d2a42]
219 [0xb7f5840c]
220 /lib/i686/cmov/libc.so.6(abort+0x188) [0xb7d1a018]
221 /usr/lib/libstdc++.so.6(_ZN9__gnu_cxx27__verbose_terminate_handlerEv+0x158) [0xb45fc988]
222 /usr/lib/libstdc++.so.6 [0xb45fa865]
223 /usr/lib/libstdc++.so.6 [0xb45fa8a2]
224 /usr/lib/libstdc++.so.6 [0xb45fa9da]
225 /usr/lib/libstdc++.so.6(_Znwj+0x83) [0xb45fb033]
226 /usr/lib/libstdc++.so.6(_Znaj+0x1d) [0xb45fb11d]
227 libode.so(_ZN13dxHeightfield23dCollideHeightfieldZoneEiiiiP6dxGeomiiP12dContactGeomi+0xd04) [0xb46678e4]
228 libode.so(_Z19dCollideHeightfieldP6dxGeomS0_iP12dContactGeomi+0x54b) [0xb466832b]
229 libode.so(dCollide+0x102) [0xb46571b2]
230 [0x95cfdec9]
231 [0x8ea07fe1]
232 [0xab260146]
233 libode.so [0xb465a5c4]
234 libode.so(_ZN11dxHashSpace8collide2EPvP6dxGeomPFvS0_S2_S2_E+0x75) [0xb465bcf5]
235 libode.so(dSpaceCollide2+0x177) [0xb465ac67]
236 [0x95cf978e]
237 [0x8ea07945]
238 [0x95cf2bbc]
239 [0xab2787e7]
240 [0xab419fb3]
241 [0xab416657]
242 [0xab415bda]
243 [0xb609b08e]
244 mono(mono_runtime_delegate_invoke+0x34) [0x8192534]
245 mono [0x81a2f0f]
246 mono [0x81d28b6]
247 mono [0x81ea2c6]
248 /lib/i686/cmov/libpthread.so.0 [0xb7e744c0]
249 /lib/i686/cmov/libc.so.6(clone+0x5e) [0xb7dcd6de]
250 */
251
252 // Exclude heightfield geom
253
254 if (g1 == IntPtr.Zero || g2 == IntPtr.Zero)
255 return;
256 if (d.GeomGetClass(g1) == d.GeomClassID.HeightfieldClass || d.GeomGetClass(g2) == d.GeomClassID.HeightfieldClass)
257 return;
258
259 // Raytest against AABBs of spaces first, then dig into the spaces it hits for actual geoms.
260 if (d.GeomIsSpace(g1) || d.GeomIsSpace(g2))
261 {
262 if (g1 == IntPtr.Zero || g2 == IntPtr.Zero)
263 return;
264
265 // Separating static prim geometry spaces.
266 // We'll be calling near recursivly if one
267 // of them is a space to find all of the
268 // contact points in the space
269 try
270 {
271 d.SpaceCollide2(g1, g2, IntPtr.Zero, nearCallback);
272 }
273 catch (AccessViolationException)
274 {
275 m_log.Warn("[PHYSICS]: Unable to collide test a space");
276 return;
277 }
278 //Colliding a space or a geom with a space or a geom. so drill down
279
280 //Collide all geoms in each space..
281 //if (d.GeomIsSpace(g1)) d.SpaceCollide(g1, IntPtr.Zero, nearCallback);
282 //if (d.GeomIsSpace(g2)) d.SpaceCollide(g2, IntPtr.Zero, nearCallback);
283 return;
284 }
285
286 if (g1 == IntPtr.Zero || g2 == IntPtr.Zero)
287 return;
288
289 int count = 0;
290 try
291 {
292
293 if (g1 == g2)
294 return; // Can't collide with yourself
295
296 lock (contacts)
297 {
298 count = d.Collide(g1, g2, contacts.GetLength(0), contacts, d.ContactGeom.SizeOf);
299 }
300 }
301 catch (SEHException)
302 {
303 m_log.Error("[PHYSICS]: The Operating system shut down ODE because of corrupt memory. This could be a result of really irregular terrain. If this repeats continuously, restart using Basic Physics and terrain fill your terrain. Restarting the sim.");
304 }
305 catch (Exception e)
306 {
307 m_log.WarnFormat("[PHYSICS]: Unable to collide test an object: {0}", e.Message);
308 return;
309 }
310
311 PhysicsActor p1 = null;
312 PhysicsActor p2 = null;
313
314 if (g1 != IntPtr.Zero)
315 m_scene.actor_name_map.TryGetValue(g1, out p1);
316
317 if (g2 != IntPtr.Zero)
318 m_scene.actor_name_map.TryGetValue(g1, out p2);
319
320 // Loop over contacts, build results.
321 for (int i = 0; i < count; i++)
322 {
323 if (p1 != null) {
324 if (p1 is OdePrim)
325 {
326 ContactResult collisionresult = new ContactResult();
327
328 collisionresult.ConsumerID = ((OdePrim)p1).m_localID;
329 collisionresult.Pos = new Vector3(contacts[i].pos.X, contacts[i].pos.Y, contacts[i].pos.Z);
330 collisionresult.Depth = contacts[i].depth;
331 collisionresult.Normal = new Vector3(contacts[i].normal.X, contacts[i].normal.Y,
332 contacts[i].normal.Z);
333 lock (m_contactResults)
334 m_contactResults.Add(collisionresult);
335 }
336 }
337
338 if (p2 != null)
339 {
340 if (p2 is OdePrim)
341 {
342 ContactResult collisionresult = new ContactResult();
343
344 collisionresult.ConsumerID = ((OdePrim)p2).m_localID;
345 collisionresult.Pos = new Vector3(contacts[i].pos.X, contacts[i].pos.Y, contacts[i].pos.Z);
346 collisionresult.Depth = contacts[i].depth;
347 collisionresult.Normal = new Vector3(contacts[i].normal.X, contacts[i].normal.Y,
348 contacts[i].normal.Z);
349
350 lock (m_contactResults)
351 m_contactResults.Add(collisionresult);
352 }
353 }
354
355
356 }
357
358 }
359
360 /// <summary>
361 /// Dereference the creator scene so that it can be garbage collected if needed.
362 /// </summary>
363 internal void Dispose()
364 {
365 m_scene = null;
366 }
367 }
368
369 public struct ODERayCastRequest
370 {
371 public Vector3 Origin;
372 public Vector3 Normal;
373 public float length;
374 public RaycastCallback callbackMethod;
375 }
376
377 public struct ContactResult
378 {
379 public Vector3 Pos;
380 public float Depth;
381 public uint ConsumerID;
382 public Vector3 Normal;
383 }
384}
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