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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/UbitOdePlugin/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/UbitOdePlugin/ODERayCastRequestManager.cs')
-rw-r--r--OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs683
1 files changed, 0 insertions, 683 deletions
diff --git a/OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs b/OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs
deleted file mode 100644
index 73ababa..0000000
--- a/OpenSim/Region/Physics/UbitOdePlugin/ODERayCastRequestManager.cs
+++ /dev/null
@@ -1,683 +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 OpenSim.Framework;
34using OpenSim.Region.Physics.Manager;
35using OdeAPI;
36using log4net;
37using OpenMetaverse;
38
39namespace OpenSim.Region.Physics.OdePlugin
40{
41 /// <summary>
42 /// Processes raycast requests as ODE is in a state to be able to do them.
43 /// This ensures that it's thread safe and there will be no conflicts.
44 /// Requests get returned by a different thread then they were requested by.
45 /// </summary>
46 public class ODERayCastRequestManager
47 {
48 /// <summary>
49 /// Pending ray requests
50 /// </summary>
51 protected OpenSim.Framework.LocklessQueue<ODERayRequest> m_PendingRequests = new OpenSim.Framework.LocklessQueue<ODERayRequest>();
52
53 /// <summary>
54 /// Scene that created this object.
55 /// </summary>
56 private OdeScene m_scene;
57
58 IntPtr ray; // the ray. we only need one for our lifetime
59 IntPtr Sphere;
60 IntPtr Box;
61 IntPtr Plane;
62
63 private int CollisionContactGeomsPerTest = 25;
64 private const int DefaultMaxCount = 25;
65 private const int MaxTimePerCallMS = 30;
66
67 /// <summary>
68 /// ODE near callback delegate
69 /// </summary>
70 private d.NearCallback nearCallback;
71 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
72 private List<ContactResult> m_contactResults = new List<ContactResult>();
73 private RayFilterFlags CurrentRayFilter;
74 private int CurrentMaxCount;
75
76 public ODERayCastRequestManager(OdeScene pScene)
77 {
78 m_scene = pScene;
79 nearCallback = near;
80 ray = d.CreateRay(IntPtr.Zero, 1.0f);
81 d.GeomSetCategoryBits(ray, 0);
82 Box = d.CreateBox(IntPtr.Zero, 1.0f, 1.0f, 1.0f);
83 d.GeomSetCategoryBits(Box, 0);
84 Sphere = d.CreateSphere(IntPtr.Zero,1.0f);
85 d.GeomSetCategoryBits(Sphere, 0);
86 Plane = d.CreatePlane(IntPtr.Zero, 0f,0f,1f,1f);
87 d.GeomSetCategoryBits(Sphere, 0);
88 }
89
90 public void QueueRequest(ODERayRequest req)
91 {
92 if (req.Count == 0)
93 req.Count = DefaultMaxCount;
94
95 m_PendingRequests.Enqueue(req);
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
105 if (m_PendingRequests.Count <= 0)
106 return 0;
107
108 if (m_scene.ContactgeomsArray == IntPtr.Zero || ray == IntPtr.Zero)
109 // oops something got wrong or scene isn't ready still
110 {
111 m_PendingRequests.Clear();
112 return 0;
113 }
114
115 int time = Util.EnvironmentTickCount();
116
117 ODERayRequest req;
118 int closestHit;
119 int backfacecull;
120 CollisionCategories catflags;
121
122 while (m_PendingRequests.Dequeue(out req))
123 {
124 if (req.callbackMethod != null)
125 {
126 IntPtr geom = IntPtr.Zero;
127 if (req.actor != null)
128 {
129 if (m_scene.haveActor(req.actor))
130 {
131 if (req.actor is OdePrim)
132 geom = ((OdePrim)req.actor).prim_geom;
133 else if (req.actor is OdeCharacter)
134 geom = ((OdePrim)req.actor).prim_geom;
135 }
136 if (geom == IntPtr.Zero)
137 {
138 NoContacts(req);
139 continue;
140 }
141 }
142
143
144 CurrentRayFilter = req.filter;
145 CurrentMaxCount = req.Count;
146
147 CollisionContactGeomsPerTest = req.Count & 0xffff;
148
149 closestHit = ((CurrentRayFilter & RayFilterFlags.ClosestHit) == 0 ? 0 : 1);
150 backfacecull = ((CurrentRayFilter & RayFilterFlags.BackFaceCull) == 0 ? 0 : 1);
151
152 if (req.callbackMethod is ProbeBoxCallback)
153 {
154 if (CollisionContactGeomsPerTest > 80)
155 CollisionContactGeomsPerTest = 80;
156 d.GeomBoxSetLengths(Box, req.Normal.X, req.Normal.Y, req.Normal.Z);
157 d.GeomSetPosition(Box, req.Origin.X, req.Origin.Y, req.Origin.Z);
158 d.Quaternion qtmp;
159 qtmp.X = req.orientation.X;
160 qtmp.Y = req.orientation.Y;
161 qtmp.Z = req.orientation.Z;
162 qtmp.W = req.orientation.W;
163 d.GeomSetQuaternion(Box, ref qtmp);
164 }
165 else if (req.callbackMethod is ProbeSphereCallback)
166 {
167 if (CollisionContactGeomsPerTest > 80)
168 CollisionContactGeomsPerTest = 80;
169
170 d.GeomSphereSetRadius(Sphere, req.length);
171 d.GeomSetPosition(Sphere, req.Origin.X, req.Origin.Y, req.Origin.Z);
172 }
173 else if (req.callbackMethod is ProbePlaneCallback)
174 {
175 if (CollisionContactGeomsPerTest > 80)
176 CollisionContactGeomsPerTest = 80;
177
178 d.GeomPlaneSetParams(Plane, req.Normal.X, req.Normal.Y, req.Normal.Z, req.length);
179 }
180
181 else
182 {
183 if (CollisionContactGeomsPerTest > 25)
184 CollisionContactGeomsPerTest = 25;
185
186 d.GeomRaySetLength(ray, req.length);
187 d.GeomRaySet(ray, req.Origin.X, req.Origin.Y, req.Origin.Z, req.Normal.X, req.Normal.Y, req.Normal.Z);
188 d.GeomRaySetParams(ray, 0, backfacecull);
189 d.GeomRaySetClosestHit(ray, closestHit);
190
191 if (req.callbackMethod is RaycastCallback)
192 {
193 // if we only want one get only one per Collision pair saving memory
194 CurrentRayFilter |= RayFilterFlags.ClosestHit;
195 d.GeomRaySetClosestHit(ray, 1);
196 }
197 else
198 d.GeomRaySetClosestHit(ray, closestHit);
199 }
200
201 if ((CurrentRayFilter & RayFilterFlags.ContactsUnImportant) != 0)
202 unchecked
203 {
204 CollisionContactGeomsPerTest |= (int)d.CONTACTS_UNIMPORTANT;
205 }
206
207 if (geom == IntPtr.Zero)
208 {
209 // translate ray filter to Collision flags
210 catflags = 0;
211 if ((CurrentRayFilter & RayFilterFlags.volumedtc) != 0)
212 catflags |= CollisionCategories.VolumeDtc;
213 if ((CurrentRayFilter & RayFilterFlags.phantom) != 0)
214 catflags |= CollisionCategories.Phantom;
215 if ((CurrentRayFilter & RayFilterFlags.agent) != 0)
216 catflags |= CollisionCategories.Character;
217 if ((CurrentRayFilter & RayFilterFlags.PrimsNonPhantom) != 0)
218 catflags |= CollisionCategories.Geom;
219 if ((CurrentRayFilter & RayFilterFlags.land) != 0)
220 catflags |= CollisionCategories.Land;
221 if ((CurrentRayFilter & RayFilterFlags.water) != 0)
222 catflags |= CollisionCategories.Water;
223
224 if (catflags != 0)
225 {
226 if (req.callbackMethod is ProbeBoxCallback)
227 {
228 catflags |= CollisionCategories.Space;
229 d.GeomSetCollideBits(Box, (uint)catflags);
230 d.GeomSetCategoryBits(Box, (uint)catflags);
231 doProbe(req, Box);
232 }
233 else if (req.callbackMethod is ProbeSphereCallback)
234 {
235 catflags |= CollisionCategories.Space;
236 d.GeomSetCollideBits(Sphere, (uint)catflags);
237 d.GeomSetCategoryBits(Sphere, (uint)catflags);
238 doProbe(req, Sphere);
239 }
240 else if (req.callbackMethod is ProbePlaneCallback)
241 {
242 catflags |= CollisionCategories.Space;
243 d.GeomSetCollideBits(Plane, (uint)catflags);
244 d.GeomSetCategoryBits(Plane, (uint)catflags);
245 doPlane(req,IntPtr.Zero);
246 }
247 else
248 {
249 d.GeomSetCollideBits(ray, (uint)catflags);
250 doSpaceRay(req);
251 }
252 }
253 }
254 else
255 {
256 // if we select a geom don't use filters
257
258 if (req.callbackMethod is ProbePlaneCallback)
259 {
260 d.GeomSetCollideBits(Plane, (uint)CollisionCategories.All);
261 doPlane(req,geom);
262 }
263 else
264 {
265 d.GeomSetCollideBits(ray, (uint)CollisionCategories.All);
266 doGeomRay(req,geom);
267 }
268 }
269 }
270
271 if (Util.EnvironmentTickCountSubtract(time) > MaxTimePerCallMS)
272 break;
273 }
274
275 lock (m_contactResults)
276 m_contactResults.Clear();
277
278 return Util.EnvironmentTickCountSubtract(time);
279 }
280 /// <summary>
281 /// Method that actually initiates the raycast with spaces
282 /// </summary>
283 /// <param name="req"></param>
284 ///
285
286 private void NoContacts(ODERayRequest req)
287 {
288 if (req.callbackMethod is RaycastCallback)
289 {
290 ((RaycastCallback)req.callbackMethod)(false, Vector3.Zero, 0, 0, Vector3.Zero);
291 return;
292 }
293 List<ContactResult> cresult = new List<ContactResult>();
294
295 if (req.callbackMethod is RayCallback)
296 ((RayCallback)req.callbackMethod)(cresult);
297 else if (req.callbackMethod is ProbeBoxCallback)
298 ((ProbeBoxCallback)req.callbackMethod)(cresult);
299 else if (req.callbackMethod is ProbeSphereCallback)
300 ((ProbeSphereCallback)req.callbackMethod)(cresult);
301 }
302
303 private const RayFilterFlags FilterActiveSpace = RayFilterFlags.agent | RayFilterFlags.physical | RayFilterFlags.LSLPhantom;
304// private const RayFilterFlags FilterStaticSpace = RayFilterFlags.water | RayFilterFlags.land | RayFilterFlags.nonphysical | RayFilterFlags.LSLPhanton;
305 private const RayFilterFlags FilterStaticSpace = RayFilterFlags.water | RayFilterFlags.nonphysical | RayFilterFlags.LSLPhantom;
306
307 private void doSpaceRay(ODERayRequest req)
308 {
309 // Collide tests
310 if ((CurrentRayFilter & FilterActiveSpace) != 0)
311 {
312 d.SpaceCollide2(ray, m_scene.ActiveSpace, IntPtr.Zero, nearCallback);
313 d.SpaceCollide2(ray, m_scene.CharsSpace, IntPtr.Zero, nearCallback);
314 }
315 if ((CurrentRayFilter & FilterStaticSpace) != 0 && (m_contactResults.Count < CurrentMaxCount))
316 d.SpaceCollide2(ray, m_scene.StaticSpace, IntPtr.Zero, nearCallback);
317 if ((CurrentRayFilter & RayFilterFlags.land) != 0 && (m_contactResults.Count < CurrentMaxCount))
318 {
319 // current ode land to ray collisions is very bad
320 // so for now limit its range badly
321
322 if (req.length > 30.0f)
323 d.GeomRaySetLength(ray, 30.0f);
324
325 d.SpaceCollide2(ray, m_scene.GroundSpace, IntPtr.Zero, nearCallback);
326 }
327
328 if (req.callbackMethod is RaycastCallback)
329 {
330 // Define default results
331 bool hitYN = false;
332 uint hitConsumerID = 0;
333 float distance = float.MaxValue;
334 Vector3 closestcontact = Vector3.Zero;
335 Vector3 snormal = Vector3.Zero;
336
337 // Find closest contact and object.
338 lock (m_contactResults)
339 {
340 foreach (ContactResult cResult in m_contactResults)
341 {
342 if(cResult.Depth < distance)
343 {
344 closestcontact = cResult.Pos;
345 hitConsumerID = cResult.ConsumerID;
346 distance = cResult.Depth;
347 snormal = cResult.Normal;
348 }
349 }
350 m_contactResults.Clear();
351 }
352
353 if (distance > 0 && distance < float.MaxValue)
354 hitYN = true;
355 ((RaycastCallback)req.callbackMethod)(hitYN, closestcontact, hitConsumerID, distance, snormal);
356 }
357 else
358 {
359 List<ContactResult> cresult = new List<ContactResult>(m_contactResults.Count);
360 lock (m_PendingRequests)
361 {
362 cresult.AddRange(m_contactResults);
363 m_contactResults.Clear();
364 }
365 ((RayCallback)req.callbackMethod)(cresult);
366 }
367 }
368
369 private void doProbe(ODERayRequest req, IntPtr probe)
370 {
371 // Collide tests
372 if ((CurrentRayFilter & FilterActiveSpace) != 0)
373 {
374 d.SpaceCollide2(probe, m_scene.ActiveSpace, IntPtr.Zero, nearCallback);
375 d.SpaceCollide2(probe, m_scene.CharsSpace, IntPtr.Zero, nearCallback);
376 }
377 if ((CurrentRayFilter & FilterStaticSpace) != 0 && (m_contactResults.Count < CurrentMaxCount))
378 d.SpaceCollide2(probe, m_scene.StaticSpace, IntPtr.Zero, nearCallback);
379 if ((CurrentRayFilter & RayFilterFlags.land) != 0 && (m_contactResults.Count < CurrentMaxCount))
380 d.SpaceCollide2(probe, m_scene.GroundSpace, IntPtr.Zero, nearCallback);
381
382 List<ContactResult> cresult = new List<ContactResult>(m_contactResults.Count);
383 lock (m_PendingRequests)
384 {
385 cresult.AddRange(m_contactResults);
386 m_contactResults.Clear();
387 }
388 if (req.callbackMethod is ProbeBoxCallback)
389 ((ProbeBoxCallback)req.callbackMethod)(cresult);
390 else if (req.callbackMethod is ProbeSphereCallback)
391 ((ProbeSphereCallback)req.callbackMethod)(cresult);
392 }
393
394 private void doPlane(ODERayRequest req,IntPtr geom)
395 {
396 // Collide tests
397 if (geom == IntPtr.Zero)
398 {
399 if ((CurrentRayFilter & FilterActiveSpace) != 0)
400 {
401 d.SpaceCollide2(Plane, m_scene.ActiveSpace, IntPtr.Zero, nearCallback);
402 d.SpaceCollide2(Plane, m_scene.CharsSpace, IntPtr.Zero, nearCallback);
403 }
404 if ((CurrentRayFilter & FilterStaticSpace) != 0 && (m_contactResults.Count < CurrentMaxCount))
405 d.SpaceCollide2(Plane, m_scene.StaticSpace, IntPtr.Zero, nearCallback);
406 if ((CurrentRayFilter & RayFilterFlags.land) != 0 && (m_contactResults.Count < CurrentMaxCount))
407 d.SpaceCollide2(Plane, m_scene.GroundSpace, IntPtr.Zero, nearCallback);
408 }
409 else
410 {
411 d.SpaceCollide2(Plane, geom, IntPtr.Zero, nearCallback);
412 }
413
414 List<ContactResult> cresult = new List<ContactResult>(m_contactResults.Count);
415 lock (m_PendingRequests)
416 {
417 cresult.AddRange(m_contactResults);
418 m_contactResults.Clear();
419 }
420
421 ((ProbePlaneCallback)req.callbackMethod)(cresult);
422 }
423
424 /// <summary>
425 /// Method that actually initiates the raycast with a geom
426 /// </summary>
427 /// <param name="req"></param>
428 private void doGeomRay(ODERayRequest req, IntPtr geom)
429 {
430 // Collide test
431 d.SpaceCollide2(ray, geom, IntPtr.Zero, nearCallback); // still do this to have full AABB pre test
432
433 if (req.callbackMethod is RaycastCallback)
434 {
435 // Define default results
436 bool hitYN = false;
437 uint hitConsumerID = 0;
438 float distance = float.MaxValue;
439 Vector3 closestcontact = Vector3.Zero;
440 Vector3 snormal = Vector3.Zero;
441
442 // Find closest contact and object.
443 lock (m_contactResults)
444 {
445 foreach (ContactResult cResult in m_contactResults)
446 {
447 if(cResult.Depth < distance )
448 {
449 closestcontact = cResult.Pos;
450 hitConsumerID = cResult.ConsumerID;
451 distance = cResult.Depth;
452 snormal = cResult.Normal;
453 }
454 }
455 m_contactResults.Clear();
456 }
457
458 if (distance > 0 && distance < float.MaxValue)
459 hitYN = true;
460
461 ((RaycastCallback)req.callbackMethod)(hitYN, closestcontact, hitConsumerID, distance, snormal);
462 }
463 else
464 {
465 List<ContactResult> cresult = new List<ContactResult>(m_contactResults.Count);
466 lock (m_PendingRequests)
467 {
468 cresult.AddRange(m_contactResults);
469 m_contactResults.Clear();
470 }
471 ((RayCallback)req.callbackMethod)(cresult);
472 }
473 }
474
475 private bool GetCurContactGeom(int index, ref d.ContactGeom newcontactgeom)
476 {
477 IntPtr ContactgeomsArray = m_scene.ContactgeomsArray;
478 if (ContactgeomsArray == IntPtr.Zero || index >= CollisionContactGeomsPerTest)
479 return false;
480
481 IntPtr contactptr = new IntPtr(ContactgeomsArray.ToInt64() + (Int64)(index * d.ContactGeom.unmanagedSizeOf));
482 newcontactgeom = (d.ContactGeom)Marshal.PtrToStructure(contactptr, typeof(d.ContactGeom));
483 return true;
484 }
485
486 // This is the standard Near. g1 is the ray
487 private void near(IntPtr space, IntPtr g1, IntPtr g2)
488 {
489 if (g2 == IntPtr.Zero || g1 == g2)
490 return;
491
492 if (m_contactResults.Count >= CurrentMaxCount)
493 return;
494
495 if (d.GeomIsSpace(g2))
496 {
497 try
498 {
499 d.SpaceCollide2(g1, g2, IntPtr.Zero, nearCallback);
500 }
501 catch (Exception e)
502 {
503 m_log.WarnFormat("[PHYSICS Ray]: Unable to Space collide test an object: {0}", e.Message);
504 }
505 return;
506 }
507
508 int count = 0;
509 try
510 {
511 count = d.CollidePtr(g1, g2, CollisionContactGeomsPerTest, m_scene.ContactgeomsArray, d.ContactGeom.unmanagedSizeOf);
512 }
513 catch (Exception e)
514 {
515 m_log.WarnFormat("[PHYSICS Ray]: Unable to collide test an object: {0}", e.Message);
516 return;
517 }
518
519 if (count == 0)
520 return;
521/*
522 uint cat1 = d.GeomGetCategoryBits(g1);
523 uint cat2 = d.GeomGetCategoryBits(g2);
524 uint col1 = d.GeomGetCollideBits(g1);
525 uint col2 = d.GeomGetCollideBits(g2);
526*/
527
528 uint ID = 0;
529 PhysicsActor p2 = null;
530
531 m_scene.actor_name_map.TryGetValue(g2, out p2);
532
533 if (p2 == null)
534 return;
535
536 switch (p2.PhysicsActorType)
537 {
538 case (int)ActorTypes.Prim:
539
540 RayFilterFlags thisFlags;
541
542 if (p2.IsPhysical)
543 thisFlags = RayFilterFlags.physical;
544 else
545 thisFlags = RayFilterFlags.nonphysical;
546
547 if (p2.Phantom)
548 thisFlags |= RayFilterFlags.phantom;
549
550 if (p2.IsVolumeDtc)
551 thisFlags |= RayFilterFlags.volumedtc;
552
553 if ((thisFlags & CurrentRayFilter) == 0)
554 return;
555
556 ID = ((OdePrim)p2).LocalID;
557 break;
558
559 case (int)ActorTypes.Agent:
560
561 if ((CurrentRayFilter & RayFilterFlags.agent) == 0)
562 return;
563 else
564 ID = ((OdeCharacter)p2).LocalID;
565 break;
566
567 case (int)ActorTypes.Ground:
568
569 if ((CurrentRayFilter & RayFilterFlags.land) == 0)
570 return;
571 break;
572
573 case (int)ActorTypes.Water:
574
575 if ((CurrentRayFilter & RayFilterFlags.water) == 0)
576 return;
577 break;
578
579 default:
580 break;
581 }
582
583 d.ContactGeom curcontact = new d.ContactGeom();
584
585 // closestHit for now only works for meshs, so must do it for others
586 if ((CurrentRayFilter & RayFilterFlags.ClosestHit) == 0)
587 {
588 // Loop all contacts, build results.
589 for (int i = 0; i < count; i++)
590 {
591 if (!GetCurContactGeom(i, ref curcontact))
592 break;
593
594 ContactResult collisionresult = new ContactResult();
595 collisionresult.ConsumerID = ID;
596 collisionresult.Pos.X = curcontact.pos.X;
597 collisionresult.Pos.Y = curcontact.pos.Y;
598 collisionresult.Pos.Z = curcontact.pos.Z;
599 collisionresult.Depth = curcontact.depth;
600 collisionresult.Normal.X = curcontact.normal.X;
601 collisionresult.Normal.Y = curcontact.normal.Y;
602 collisionresult.Normal.Z = curcontact.normal.Z;
603 lock (m_contactResults)
604 {
605 m_contactResults.Add(collisionresult);
606 if (m_contactResults.Count >= CurrentMaxCount)
607 return;
608 }
609 }
610 }
611 else
612 {
613 // keep only closest contact
614 ContactResult collisionresult = new ContactResult();
615 collisionresult.ConsumerID = ID;
616 collisionresult.Depth = float.MaxValue;
617
618 for (int i = 0; i < count; i++)
619 {
620 if (!GetCurContactGeom(i, ref curcontact))
621 break;
622
623 if (curcontact.depth < collisionresult.Depth)
624 {
625 collisionresult.Pos.X = curcontact.pos.X;
626 collisionresult.Pos.Y = curcontact.pos.Y;
627 collisionresult.Pos.Z = curcontact.pos.Z;
628 collisionresult.Depth = curcontact.depth;
629 collisionresult.Normal.X = curcontact.normal.X;
630 collisionresult.Normal.Y = curcontact.normal.Y;
631 collisionresult.Normal.Z = curcontact.normal.Z;
632 }
633 }
634
635 if (collisionresult.Depth != float.MaxValue)
636 {
637 lock (m_contactResults)
638 m_contactResults.Add(collisionresult);
639 }
640 }
641 }
642
643 /// <summary>
644 /// Dereference the creator scene so that it can be garbage collected if needed.
645 /// </summary>
646 internal void Dispose()
647 {
648 m_scene = null;
649 if (ray != IntPtr.Zero)
650 {
651 d.GeomDestroy(ray);
652 ray = IntPtr.Zero;
653 }
654 if (Box != IntPtr.Zero)
655 {
656 d.GeomDestroy(Box);
657 Box = IntPtr.Zero;
658 }
659 if (Sphere != IntPtr.Zero)
660 {
661 d.GeomDestroy(Sphere);
662 Sphere = IntPtr.Zero;
663 }
664 if (Plane != IntPtr.Zero)
665 {
666 d.GeomDestroy(Plane);
667 Plane = IntPtr.Zero;
668 }
669 }
670 }
671
672 public struct ODERayRequest
673 {
674 public PhysicsActor actor;
675 public Vector3 Origin;
676 public Vector3 Normal;
677 public int Count;
678 public float length;
679 public object callbackMethod;
680 public RayFilterFlags filter;
681 public Quaternion orientation;
682 }
683} \ No newline at end of file