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-rw-r--r--OpenSim/Region/Physics/UbitOdePlugin/ODEMeshWorker.cs931
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diff --git a/OpenSim/Region/Physics/UbitOdePlugin/ODEMeshWorker.cs b/OpenSim/Region/Physics/UbitOdePlugin/ODEMeshWorker.cs
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1/*
2 * AJLDuarte 2012
3 */
4
5using System;
6using System.Threading;
7using System.Collections.Generic;
8using System.IO;
9using System.Reflection;
10using System.Runtime.InteropServices;
11using System.Text;
12using OpenSim.Framework;
13using OpenSim.Region.Physics.Manager;
14using OdeAPI;
15using log4net;
16using Nini.Config;
17using OpenMetaverse;
18
19namespace OpenSim.Region.Physics.OdePlugin
20{
21 public enum MeshState : byte
22 {
23 noNeed = 0,
24
25 loadingAsset = 1,
26
27 AssetOK = 0x0f, // 00001111
28
29 NeedMask = 0x30, // 00110000
30 needMesh = 0x10, // 00010000
31 needAsset = 0x20, // 00100000
32
33 FailMask = 0xC0, // 11000000
34 AssetFailed = 0x40, // 01000000
35 MeshFailed = 0x80, // 10000000
36
37 MeshNoColide = FailMask | needAsset
38 }
39
40 public enum meshWorkerCmnds : byte
41 {
42 nop = 0,
43 addnew,
44 changefull,
45 changesize,
46 changeshapetype,
47 getmesh,
48 }
49
50 public class ODEPhysRepData
51 {
52 public PhysicsActor actor;
53 public PrimitiveBaseShape pbs;
54 public IMesh mesh;
55
56 public Vector3 size;
57 public Vector3 OBB;
58 public Vector3 OBBOffset;
59
60 public float volume;
61
62 public byte shapetype;
63 public bool hasOBB;
64 public bool hasMeshVolume;
65 public MeshState meshState;
66 public UUID? assetID;
67 public meshWorkerCmnds comand;
68 }
69
70 public class ODEMeshWorker
71 {
72
73 private ILog m_log;
74 private OdeScene m_scene;
75 private IMesher m_mesher;
76
77 public bool meshSculptedPrim = true;
78 public bool forceSimplePrimMeshing = false;
79 public float meshSculptLOD = 32;
80 public float MeshSculptphysicalLOD = 32;
81
82
83 private OpenSim.Framework.BlockingQueue<ODEPhysRepData> createqueue = new OpenSim.Framework.BlockingQueue<ODEPhysRepData>();
84 private bool m_running;
85
86 private Thread m_thread;
87
88 public ODEMeshWorker(OdeScene pScene, ILog pLog, IMesher pMesher, IConfig pConfig)
89 {
90 m_scene = pScene;
91 m_log = pLog;
92 m_mesher = pMesher;
93
94 if (pConfig != null)
95 {
96 forceSimplePrimMeshing = pConfig.GetBoolean("force_simple_prim_meshing", forceSimplePrimMeshing);
97 meshSculptedPrim = pConfig.GetBoolean("mesh_sculpted_prim", meshSculptedPrim);
98 meshSculptLOD = pConfig.GetFloat("mesh_lod", meshSculptLOD);
99 MeshSculptphysicalLOD = pConfig.GetFloat("mesh_physical_lod", MeshSculptphysicalLOD);
100 }
101 m_running = true;
102 m_thread = new Thread(DoWork);
103 m_thread.Start();
104 }
105
106 private void DoWork()
107 {
108 m_mesher.ExpireFileCache();
109
110 while(m_running)
111 {
112 ODEPhysRepData nextRep = createqueue.Dequeue();
113 if(!m_running)
114 return;
115 if (nextRep == null)
116 continue;
117 if (m_scene.haveActor(nextRep.actor))
118 {
119 switch (nextRep.comand)
120 {
121 case meshWorkerCmnds.changefull:
122 case meshWorkerCmnds.changeshapetype:
123 case meshWorkerCmnds.changesize:
124 GetMesh(nextRep);
125 if (CreateActorPhysRep(nextRep) && m_scene.haveActor(nextRep.actor))
126 m_scene.AddChange(nextRep.actor, changes.PhysRepData, nextRep);
127 break;
128 case meshWorkerCmnds.getmesh:
129 DoRepDataGetMesh(nextRep);
130 break;
131 }
132 }
133 }
134 }
135
136 public void Stop()
137 {
138 try
139 {
140 m_thread.Abort();
141 createqueue.Clear();
142 }
143 catch
144 {
145 }
146 }
147
148 public void ChangeActorPhysRep(PhysicsActor actor, PrimitiveBaseShape pbs,
149 Vector3 size, byte shapetype)
150 {
151 ODEPhysRepData repData = new ODEPhysRepData();
152 repData.actor = actor;
153 repData.pbs = pbs;
154 repData.size = size;
155 repData.shapetype = shapetype;
156
157 CheckMesh(repData);
158 CalcVolumeData(repData);
159 m_scene.AddChange(actor, changes.PhysRepData, repData);
160 return;
161 }
162
163 public ODEPhysRepData NewActorPhysRep(PhysicsActor actor, PrimitiveBaseShape pbs,
164 Vector3 size, byte shapetype)
165 {
166 ODEPhysRepData repData = new ODEPhysRepData();
167 repData.actor = actor;
168 repData.pbs = pbs;
169 repData.size = size;
170 repData.shapetype = shapetype;
171
172 CheckMesh(repData);
173 CalcVolumeData(repData);
174 m_scene.AddChange(actor, changes.AddPhysRep, repData);
175 return repData;
176 }
177
178 public void RequestMesh(ODEPhysRepData repData)
179 {
180 repData.mesh = null;
181
182 if (repData.meshState == MeshState.needAsset)
183 {
184 PrimitiveBaseShape pbs = repData.pbs;
185
186 // check if we got outdated
187
188 if (!pbs.SculptEntry || pbs.SculptTexture == UUID.Zero)
189 {
190 repData.meshState = MeshState.noNeed;
191 return;
192 }
193
194 repData.assetID = pbs.SculptTexture;
195 repData.meshState = MeshState.loadingAsset;
196
197 repData.comand = meshWorkerCmnds.getmesh;
198 createqueue.Enqueue(repData);
199 }
200 }
201
202 // creates and prepares a mesh to use and calls parameters estimation
203 public bool CreateActorPhysRep(ODEPhysRepData repData)
204 {
205 IMesh mesh = repData.mesh;
206
207 if (mesh != null)
208 {
209 IntPtr vertices, indices;
210 int vertexCount, indexCount;
211 int vertexStride, triStride;
212
213 mesh.getVertexListAsPtrToFloatArray(out vertices, out vertexStride, out vertexCount);
214 mesh.getIndexListAsPtrToIntArray(out indices, out triStride, out indexCount);
215
216 if (vertexCount == 0 || indexCount == 0)
217 {
218 m_log.WarnFormat("[PHYSICS]: Invalid mesh data on prim {0} mesh UUID {1}",
219 repData.actor.Name, repData.pbs.SculptTexture.ToString());
220 repData.meshState = MeshState.MeshFailed;
221 repData.hasOBB = false;
222 repData.mesh = null;
223 m_scene.mesher.ReleaseMesh(mesh);
224 }
225 else
226 {
227 repData.OBBOffset = mesh.GetCentroid();
228 repData.OBB = mesh.GetOBB();
229 repData.hasOBB = true;
230 mesh.releaseSourceMeshData();
231 }
232 }
233 CalcVolumeData(repData);
234 return true;
235 }
236
237 public void AssetLoaded(ODEPhysRepData repData)
238 {
239 if (m_scene.haveActor(repData.actor))
240 {
241 if (needsMeshing(repData.pbs)) // no need for pbs now?
242 {
243 repData.comand = meshWorkerCmnds.changefull;
244 createqueue.Enqueue(repData);
245 }
246 }
247 else
248 repData.pbs.SculptData = Utils.EmptyBytes;
249 }
250
251 public void DoRepDataGetMesh(ODEPhysRepData repData)
252 {
253 if (!repData.pbs.SculptEntry)
254 return;
255
256 if (repData.meshState != MeshState.loadingAsset)
257 return;
258
259 if (repData.assetID == null || repData.assetID == UUID.Zero)
260 return;
261
262 if (repData.assetID != repData.pbs.SculptTexture)
263 return;
264
265 // check if it is in cache
266 GetMesh(repData);
267 if (repData.meshState != MeshState.needAsset)
268 {
269 CreateActorPhysRep(repData);
270 m_scene.AddChange(repData.actor, changes.PhysRepData, repData);
271 return;
272 }
273
274 RequestAssetDelegate assetProvider = m_scene.RequestAssetMethod;
275 if (assetProvider == null)
276 return;
277 ODEAssetRequest asr = new ODEAssetRequest(this, assetProvider, repData, m_log);
278 }
279
280
281 /// <summary>
282 /// Routine to figure out if we need to mesh this prim with our mesher
283 /// </summary>
284 /// <param name="pbs"></param>
285 /// <returns></returns>
286 public bool needsMeshing(PrimitiveBaseShape pbs)
287 {
288 // check sculpts or meshs
289 if (pbs.SculptEntry)
290 {
291 if (meshSculptedPrim)
292 return true;
293
294 if (pbs.SculptType == (byte)SculptType.Mesh) // always do meshs
295 return true;
296
297 return false;
298 }
299
300 if (forceSimplePrimMeshing)
301 return true;
302
303 // if it's a standard box or sphere with no cuts, hollows, twist or top shear, return false since ODE can use an internal representation for the prim
304
305 if ((pbs.ProfileShape == ProfileShape.Square && pbs.PathCurve == (byte)Extrusion.Straight)
306 || (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1
307 && pbs.Scale.X == pbs.Scale.Y && pbs.Scale.Y == pbs.Scale.Z))
308 {
309
310 if (pbs.ProfileBegin == 0 && pbs.ProfileEnd == 0
311 && pbs.ProfileHollow == 0
312 && pbs.PathTwist == 0 && pbs.PathTwistBegin == 0
313 && pbs.PathBegin == 0 && pbs.PathEnd == 0
314 && pbs.PathTaperX == 0 && pbs.PathTaperY == 0
315 && pbs.PathScaleX == 100 && pbs.PathScaleY == 100
316 && pbs.PathShearX == 0 && pbs.PathShearY == 0)
317 {
318 return false;
319 }
320 }
321
322 // following code doesn't give meshs to boxes and spheres ever
323 // and it's odd.. so for now just return true if asked to force meshs
324 // hopefully mesher will fail if doesn't suport so things still get basic boxes
325
326 int iPropertiesNotSupportedDefault = 0;
327
328 if (pbs.ProfileHollow != 0)
329 iPropertiesNotSupportedDefault++;
330
331 if ((pbs.PathBegin != 0) || pbs.PathEnd != 0)
332 iPropertiesNotSupportedDefault++;
333
334 if ((pbs.PathTwistBegin != 0) || (pbs.PathTwist != 0))
335 iPropertiesNotSupportedDefault++;
336
337 if ((pbs.ProfileBegin != 0) || pbs.ProfileEnd != 0)
338 iPropertiesNotSupportedDefault++;
339
340 if ((pbs.PathScaleX != 100) || (pbs.PathScaleY != 100))
341 iPropertiesNotSupportedDefault++;
342
343 if ((pbs.PathShearX != 0) || (pbs.PathShearY != 0))
344 iPropertiesNotSupportedDefault++;
345
346 if (pbs.ProfileShape == ProfileShape.Circle && pbs.PathCurve == (byte)Extrusion.Straight)
347 iPropertiesNotSupportedDefault++;
348
349 if (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1 && (pbs.Scale.X != pbs.Scale.Y || pbs.Scale.Y != pbs.Scale.Z || pbs.Scale.Z != pbs.Scale.X))
350 iPropertiesNotSupportedDefault++;
351
352 if (pbs.ProfileShape == ProfileShape.HalfCircle && pbs.PathCurve == (byte)Extrusion.Curve1)
353 iPropertiesNotSupportedDefault++;
354
355 // test for torus
356 if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.Square)
357 {
358 if (pbs.PathCurve == (byte)Extrusion.Curve1)
359 {
360 iPropertiesNotSupportedDefault++;
361 }
362 }
363 else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
364 {
365 if (pbs.PathCurve == (byte)Extrusion.Straight)
366 {
367 iPropertiesNotSupportedDefault++;
368 }
369
370 // ProfileCurve seems to combine hole shape and profile curve so we need to only compare against the lower 3 bits
371 else if (pbs.PathCurve == (byte)Extrusion.Curve1)
372 {
373 iPropertiesNotSupportedDefault++;
374 }
375 }
376 else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
377 {
378 if (pbs.PathCurve == (byte)Extrusion.Curve1 || pbs.PathCurve == (byte)Extrusion.Curve2)
379 {
380 iPropertiesNotSupportedDefault++;
381 }
382 }
383 else if ((pbs.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
384 {
385 if (pbs.PathCurve == (byte)Extrusion.Straight)
386 {
387 iPropertiesNotSupportedDefault++;
388 }
389 else if (pbs.PathCurve == (byte)Extrusion.Curve1)
390 {
391 iPropertiesNotSupportedDefault++;
392 }
393 }
394
395 if (iPropertiesNotSupportedDefault == 0)
396 {
397 return false;
398 }
399 return true;
400 }
401
402 // see if we need a mesh and if so if we have a cached one
403 // called with a new repData
404 public void CheckMesh(ODEPhysRepData repData)
405 {
406 PhysicsActor actor = repData.actor;
407 PrimitiveBaseShape pbs = repData.pbs;
408
409 if (!needsMeshing(pbs))
410 {
411 repData.meshState = MeshState.noNeed;
412 return;
413 }
414
415 IMesh mesh = null;
416
417 Vector3 size = repData.size;
418 byte shapetype = repData.shapetype;
419
420 bool convex;
421
422 int clod = (int)LevelOfDetail.High;
423 if (shapetype == 0)
424 convex = false;
425 else
426 {
427 convex = true;
428 if (pbs.SculptType != (byte)SculptType.Mesh)
429 clod = (int)LevelOfDetail.Low;
430 }
431
432 mesh = m_mesher.GetMesh(actor.Name, pbs, size, clod, true, convex);
433
434 if (mesh == null)
435 {
436 if (pbs.SculptEntry)
437 {
438 if (pbs.SculptTexture != null && pbs.SculptTexture != UUID.Zero)
439 {
440 repData.assetID = pbs.SculptTexture;
441 repData.meshState = MeshState.needAsset;
442 }
443 else
444 repData.meshState = MeshState.MeshFailed;
445
446 return;
447 }
448 else
449 {
450 repData.meshState = MeshState.needMesh;
451 mesh = m_mesher.CreateMesh(actor.Name, pbs, size, clod, true, convex, true);
452 if (mesh == null)
453 {
454 repData.meshState = MeshState.MeshFailed;
455 return;
456 }
457 }
458 }
459
460 repData.meshState = MeshState.AssetOK;
461 repData.mesh = mesh;
462
463 if (pbs.SculptEntry)
464 {
465 repData.assetID = pbs.SculptTexture;
466 }
467
468 pbs.SculptData = Utils.EmptyBytes;
469 return ;
470 }
471
472 public void GetMesh(ODEPhysRepData repData)
473 {
474 PhysicsActor actor = repData.actor;
475
476 PrimitiveBaseShape pbs = repData.pbs;
477
478 repData.mesh = null;
479 repData.hasOBB = false;
480
481 if (!needsMeshing(pbs))
482 {
483 repData.meshState = MeshState.noNeed;
484 return;
485 }
486
487 if (repData.meshState == MeshState.MeshFailed)
488 return;
489
490 if (pbs.SculptEntry)
491 {
492 if (repData.meshState == MeshState.AssetFailed)
493 {
494 if (pbs.SculptTexture == repData.assetID)
495 return;
496 }
497 }
498
499 repData.meshState = MeshState.noNeed;
500
501 IMesh mesh = null;
502 Vector3 size = repData.size;
503 byte shapetype = repData.shapetype;
504
505 bool convex;
506 int clod = (int)LevelOfDetail.High;
507 if (shapetype == 0)
508 convex = false;
509 else
510 {
511 convex = true;
512 if (pbs.SculptType != (byte)SculptType.Mesh)
513 clod = (int)LevelOfDetail.Low;
514 }
515
516 mesh = m_mesher.CreateMesh(actor.Name, pbs, size, clod, true, convex, true);
517
518 if (mesh == null)
519 {
520 if (pbs.SculptEntry)
521 {
522 if (pbs.SculptTexture == UUID.Zero)
523 return;
524
525 repData.assetID = pbs.SculptTexture;
526
527 if (pbs.SculptData == null || pbs.SculptData.Length == 0)
528 {
529 repData.meshState = MeshState.needAsset;
530 return;
531 }
532 }
533 }
534
535 repData.mesh = mesh;
536 repData.pbs.SculptData = Utils.EmptyBytes;
537
538 if (mesh == null)
539 {
540 if (pbs.SculptEntry)
541 repData.meshState = MeshState.AssetFailed;
542 else
543 repData.meshState = MeshState.MeshFailed;
544
545 return;
546 }
547
548 repData.meshState = MeshState.AssetOK;
549
550 return;
551 }
552
553 private void CalculateBasicPrimVolume(ODEPhysRepData repData)
554 {
555 PrimitiveBaseShape _pbs = repData.pbs;
556 Vector3 _size = repData.size;
557
558 float volume = _size.X * _size.Y * _size.Z; // default
559 float tmp;
560
561 float hollowAmount = (float)_pbs.ProfileHollow * 2.0e-5f;
562 float hollowVolume = hollowAmount * hollowAmount;
563
564 switch (_pbs.ProfileShape)
565 {
566 case ProfileShape.Square:
567 // default box
568
569 if (_pbs.PathCurve == (byte)Extrusion.Straight)
570 {
571 if (hollowAmount > 0.0)
572 {
573 switch (_pbs.HollowShape)
574 {
575 case HollowShape.Square:
576 case HollowShape.Same:
577 break;
578
579 case HollowShape.Circle:
580
581 hollowVolume *= 0.78539816339f;
582 break;
583
584 case HollowShape.Triangle:
585
586 hollowVolume *= (0.5f * .5f);
587 break;
588
589 default:
590 hollowVolume = 0;
591 break;
592 }
593 volume *= (1.0f - hollowVolume);
594 }
595 }
596
597 else if (_pbs.PathCurve == (byte)Extrusion.Curve1)
598 {
599 //a tube
600
601 volume *= 0.78539816339e-2f * (float)(200 - _pbs.PathScaleX);
602 tmp = 1.0f - 2.0e-2f * (float)(200 - _pbs.PathScaleY);
603 volume -= volume * tmp * tmp;
604
605 if (hollowAmount > 0.0)
606 {
607 hollowVolume *= hollowAmount;
608
609 switch (_pbs.HollowShape)
610 {
611 case HollowShape.Square:
612 case HollowShape.Same:
613 break;
614
615 case HollowShape.Circle:
616 hollowVolume *= 0.78539816339f;
617 break;
618
619 case HollowShape.Triangle:
620 hollowVolume *= 0.5f * 0.5f;
621 break;
622 default:
623 hollowVolume = 0;
624 break;
625 }
626 volume *= (1.0f - hollowVolume);
627 }
628 }
629
630 break;
631
632 case ProfileShape.Circle:
633
634 if (_pbs.PathCurve == (byte)Extrusion.Straight)
635 {
636 volume *= 0.78539816339f; // elipse base
637
638 if (hollowAmount > 0.0)
639 {
640 switch (_pbs.HollowShape)
641 {
642 case HollowShape.Same:
643 case HollowShape.Circle:
644 break;
645
646 case HollowShape.Square:
647 hollowVolume *= 0.5f * 2.5984480504799f;
648 break;
649
650 case HollowShape.Triangle:
651 hollowVolume *= .5f * 1.27323954473516f;
652 break;
653
654 default:
655 hollowVolume = 0;
656 break;
657 }
658 volume *= (1.0f - hollowVolume);
659 }
660 }
661
662 else if (_pbs.PathCurve == (byte)Extrusion.Curve1)
663 {
664 volume *= 0.61685027506808491367715568749226e-2f * (float)(200 - _pbs.PathScaleX);
665 tmp = 1.0f - .02f * (float)(200 - _pbs.PathScaleY);
666 volume *= (1.0f - tmp * tmp);
667
668 if (hollowAmount > 0.0)
669 {
670
671 // calculate the hollow volume by it's shape compared to the prim shape
672 hollowVolume *= hollowAmount;
673
674 switch (_pbs.HollowShape)
675 {
676 case HollowShape.Same:
677 case HollowShape.Circle:
678 break;
679
680 case HollowShape.Square:
681 hollowVolume *= 0.5f * 2.5984480504799f;
682 break;
683
684 case HollowShape.Triangle:
685 hollowVolume *= .5f * 1.27323954473516f;
686 break;
687
688 default:
689 hollowVolume = 0;
690 break;
691 }
692 volume *= (1.0f - hollowVolume);
693 }
694 }
695 break;
696
697 case ProfileShape.HalfCircle:
698 if (_pbs.PathCurve == (byte)Extrusion.Curve1)
699 {
700 volume *= 0.5236f;
701
702 if (hollowAmount > 0.0)
703 {
704 hollowVolume *= hollowAmount;
705
706 switch (_pbs.HollowShape)
707 {
708 case HollowShape.Circle:
709 case HollowShape.Triangle: // diference in sl is minor and odd
710 case HollowShape.Same:
711 break;
712
713 case HollowShape.Square:
714 hollowVolume *= 0.909f;
715 break;
716
717 // case HollowShape.Triangle:
718 // hollowVolume *= .827f;
719 // break;
720 default:
721 hollowVolume = 0;
722 break;
723 }
724 volume *= (1.0f - hollowVolume);
725 }
726
727 }
728 break;
729
730 case ProfileShape.EquilateralTriangle:
731
732 if (_pbs.PathCurve == (byte)Extrusion.Straight)
733 {
734 volume *= 0.32475953f;
735
736 if (hollowAmount > 0.0)
737 {
738
739 // calculate the hollow volume by it's shape compared to the prim shape
740 switch (_pbs.HollowShape)
741 {
742 case HollowShape.Same:
743 case HollowShape.Triangle:
744 hollowVolume *= .25f;
745 break;
746
747 case HollowShape.Square:
748 hollowVolume *= 0.499849f * 3.07920140172638f;
749 break;
750
751 case HollowShape.Circle:
752 // Hollow shape is a perfect cyllinder in respect to the cube's scale
753 // Cyllinder hollow volume calculation
754
755 hollowVolume *= 0.1963495f * 3.07920140172638f;
756 break;
757
758 default:
759 hollowVolume = 0;
760 break;
761 }
762 volume *= (1.0f - hollowVolume);
763 }
764 }
765 else if (_pbs.PathCurve == (byte)Extrusion.Curve1)
766 {
767 volume *= 0.32475953f;
768 volume *= 0.01f * (float)(200 - _pbs.PathScaleX);
769 tmp = 1.0f - .02f * (float)(200 - _pbs.PathScaleY);
770 volume *= (1.0f - tmp * tmp);
771
772 if (hollowAmount > 0.0)
773 {
774
775 hollowVolume *= hollowAmount;
776
777 switch (_pbs.HollowShape)
778 {
779 case HollowShape.Same:
780 case HollowShape.Triangle:
781 hollowVolume *= .25f;
782 break;
783
784 case HollowShape.Square:
785 hollowVolume *= 0.499849f * 3.07920140172638f;
786 break;
787
788 case HollowShape.Circle:
789
790 hollowVolume *= 0.1963495f * 3.07920140172638f;
791 break;
792
793 default:
794 hollowVolume = 0;
795 break;
796 }
797 volume *= (1.0f - hollowVolume);
798 }
799 }
800 break;
801
802 default:
803 break;
804 }
805
806 float taperX1;
807 float taperY1;
808 float taperX;
809 float taperY;
810 float pathBegin;
811 float pathEnd;
812 float profileBegin;
813 float profileEnd;
814
815 if (_pbs.PathCurve == (byte)Extrusion.Straight || _pbs.PathCurve == (byte)Extrusion.Flexible)
816 {
817 taperX1 = _pbs.PathScaleX * 0.01f;
818 if (taperX1 > 1.0f)
819 taperX1 = 2.0f - taperX1;
820 taperX = 1.0f - taperX1;
821
822 taperY1 = _pbs.PathScaleY * 0.01f;
823 if (taperY1 > 1.0f)
824 taperY1 = 2.0f - taperY1;
825 taperY = 1.0f - taperY1;
826 }
827 else
828 {
829 taperX = _pbs.PathTaperX * 0.01f;
830 if (taperX < 0.0f)
831 taperX = -taperX;
832 taperX1 = 1.0f - taperX;
833
834 taperY = _pbs.PathTaperY * 0.01f;
835 if (taperY < 0.0f)
836 taperY = -taperY;
837 taperY1 = 1.0f - taperY;
838 }
839
840 volume *= (taperX1 * taperY1 + 0.5f * (taperX1 * taperY + taperX * taperY1) + 0.3333333333f * taperX * taperY);
841
842 pathBegin = (float)_pbs.PathBegin * 2.0e-5f;
843 pathEnd = 1.0f - (float)_pbs.PathEnd * 2.0e-5f;
844 volume *= (pathEnd - pathBegin);
845
846 // this is crude aproximation
847 profileBegin = (float)_pbs.ProfileBegin * 2.0e-5f;
848 profileEnd = 1.0f - (float)_pbs.ProfileEnd * 2.0e-5f;
849 volume *= (profileEnd - profileBegin);
850
851 repData.volume = volume;
852 }
853
854 private void CalcVolumeData(ODEPhysRepData repData)
855 {
856 if (repData.hasOBB)
857 {
858 Vector3 OBB = repData.OBB;
859 }
860 else
861 {
862 Vector3 OBB = repData.size;
863 OBB.X *= 0.5f;
864 OBB.Y *= 0.5f;
865 OBB.Z *= 0.5f;
866
867 repData.OBB = OBB;
868 repData.OBBOffset = Vector3.Zero;
869 }
870
871 CalculateBasicPrimVolume(repData);
872 }
873 }
874
875 public class ODEAssetRequest
876 {
877 ODEMeshWorker m_worker;
878 private ILog m_log;
879 ODEPhysRepData repData;
880
881 public ODEAssetRequest(ODEMeshWorker pWorker, RequestAssetDelegate provider,
882 ODEPhysRepData pRepData, ILog plog)
883 {
884 m_worker = pWorker;
885 m_log = plog;
886 repData = pRepData;
887
888 repData.meshState = MeshState.AssetFailed;
889 if (provider == null)
890 return;
891
892 if (repData.assetID == null)
893 return;
894
895 UUID assetID = (UUID) repData.assetID;
896 if (assetID == UUID.Zero)
897 return;
898
899 repData.meshState = MeshState.loadingAsset;
900 provider(assetID, ODEassetReceived);
901 }
902
903 void ODEassetReceived(AssetBase asset)
904 {
905 repData.meshState = MeshState.AssetFailed;
906 if (asset != null)
907 {
908 if (asset.Data != null && asset.Data.Length > 0)
909 {
910 repData.meshState = MeshState.noNeed;
911
912 if (!repData.pbs.SculptEntry)
913 return;
914 if (repData.pbs.SculptTexture != repData.assetID)
915 return;
916
917 repData.pbs.SculptData = new byte[asset.Data.Length];
918 asset.Data.CopyTo(repData.pbs.SculptData,0);
919 repData.meshState = MeshState.AssetOK;
920 m_worker.AssetLoaded(repData);
921 }
922 else
923 m_log.WarnFormat("[PHYSICS]: asset provider returned invalid mesh data for prim {0} asset UUID {1}.",
924 repData.actor.Name, asset.ID.ToString());
925 }
926 else
927 m_log.WarnFormat("[PHYSICS]: asset provider returned null asset fo mesh of prim {0}.",
928 repData.actor.Name);
929 }
930 }
931} \ No newline at end of file
generated by cgit v1.1 at 2024-11-15 06:50:58 +0000