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authorJustin Clark-Casey (justincc)2011-07-30 02:34:50 +0100
committerJustin Clark-Casey (justincc)2011-07-30 02:34:50 +0100
commit310a6852201812f0c489f3806559dbbc3fd4b2d3 (patch)
tree5c4393db5f4abd4e766344976f470b9f57fd13aa /OpenSim
parentrefactor: extract code which generate points and faces from sculpt data into ... (diff)
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refactor: extract method that generates a physics mesh from prim shape data
Diffstat (limited to 'OpenSim')
-rw-r--r--OpenSim/Region/Physics/Meshing/Meshmerizer.cs258
1 files changed, 141 insertions, 117 deletions
diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index 9dfaaa2..e81b982 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -315,10 +315,8 @@ namespace OpenSim.Region.Physics.Meshing
315// "[MESH]: Creating physics proxy for {0}, shape {1}", 315// "[MESH]: Creating physics proxy for {0}, shape {1}",
316// primName, (OpenMetaverse.SculptType)primShape.SculptType); 316// primName, (OpenMetaverse.SculptType)primShape.SculptType);
317 317
318 PrimMesh primMesh; 318 List<Coord> coords;
319 319 List<Face> faces;
320 List<Coord> coords = new List<Coord>();
321 List<Face> faces = new List<Face>();
322 320
323 if (primShape.SculptEntry) 321 if (primShape.SculptEntry)
324 { 322 {
@@ -327,126 +325,19 @@ namespace OpenSim.Region.Physics.Meshing
327 if (!useMeshiesPhysicsMesh) 325 if (!useMeshiesPhysicsMesh)
328 return null; 326 return null;
329 327
330 if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, size, coords, faces)) 328 if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, size, out coords, out faces))
331 return null; 329 return null;
332 } 330 }
333 else 331 else
334 { 332 {
335 if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, size, lod, coords, faces)) 333 if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, size, lod, out coords, out faces))
336 return null; 334 return null;
337 } 335 }
338 } 336 }
339 else 337 else
340 { 338 {
341 float pathShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f; 339 if (!GenerateCoordsAndFacesFromPrimShapeData(primName, primShape, size, out coords, out faces))
342 float pathShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f; 340 return null;
343 float pathBegin = (float)primShape.PathBegin * 2.0e-5f;
344 float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f;
345 float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f;
346 float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f;
347
348 float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
349 float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
350 float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
351 if (profileHollow > 0.95f)
352 profileHollow = 0.95f;
353
354 int sides = 4;
355 if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
356 sides = 3;
357 else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
358 sides = 24;
359 else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
360 { // half circle, prim is a sphere
361 sides = 24;
362
363 profileBegin = 0.5f * profileBegin + 0.5f;
364 profileEnd = 0.5f * profileEnd + 0.5f;
365 }
366
367 int hollowSides = sides;
368 if (primShape.HollowShape == HollowShape.Circle)
369 hollowSides = 24;
370 else if (primShape.HollowShape == HollowShape.Square)
371 hollowSides = 4;
372 else if (primShape.HollowShape == HollowShape.Triangle)
373 hollowSides = 3;
374
375 primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);
376
377 if (primMesh.errorMessage != null)
378 if (primMesh.errorMessage.Length > 0)
379 m_log.Error("[ERROR] " + primMesh.errorMessage);
380
381 primMesh.topShearX = pathShearX;
382 primMesh.topShearY = pathShearY;
383 primMesh.pathCutBegin = pathBegin;
384 primMesh.pathCutEnd = pathEnd;
385
386 if (primShape.PathCurve == (byte)Extrusion.Straight || primShape.PathCurve == (byte) Extrusion.Flexible)
387 {
388 primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10;
389 primMesh.twistEnd = primShape.PathTwist * 18 / 10;
390 primMesh.taperX = pathScaleX;
391 primMesh.taperY = pathScaleY;
392
393 if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
394 {
395 ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
396 if (profileBegin < 0.0f) profileBegin = 0.0f;
397 if (profileEnd > 1.0f) profileEnd = 1.0f;
398 }
399#if SPAM
400 m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
401#endif
402 try
403 {
404 primMesh.ExtrudeLinear();
405 }
406 catch (Exception ex)
407 {
408 ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
409 return null;
410 }
411 }
412 else
413 {
414 primMesh.holeSizeX = (200 - primShape.PathScaleX) * 0.01f;
415 primMesh.holeSizeY = (200 - primShape.PathScaleY) * 0.01f;
416 primMesh.radius = 0.01f * primShape.PathRadiusOffset;
417 primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions;
418 primMesh.skew = 0.01f * primShape.PathSkew;
419 primMesh.twistBegin = primShape.PathTwistBegin * 36 / 10;
420 primMesh.twistEnd = primShape.PathTwist * 36 / 10;
421 primMesh.taperX = primShape.PathTaperX * 0.01f;
422 primMesh.taperY = primShape.PathTaperY * 0.01f;
423
424 if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
425 {
426 ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
427 if (profileBegin < 0.0f) profileBegin = 0.0f;
428 if (profileEnd > 1.0f) profileEnd = 1.0f;
429 }
430#if SPAM
431 m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
432#endif
433 try
434 {
435 primMesh.ExtrudeCircular();
436 }
437 catch (Exception ex)
438 {
439 ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
440 return null;
441 }
442 }
443
444 primMesh.DumpRaw(baseDir, primName, "primMesh");
445
446 primMesh.Scale(size.X, size.Y, size.Z);
447
448 coords = primMesh.coords;
449 faces = primMesh.faces;
450 } 341 }
451 342
452 // Remove the reference to any JPEG2000 sculpt data so it can be GCed 343 // Remove the reference to any JPEG2000 sculpt data so it can be GCed
@@ -484,10 +375,12 @@ namespace OpenSim.Region.Physics.Meshing
484 /// <param name="faces">Faces are added to this list by the method.</param> 375 /// <param name="faces">Faces are added to this list by the method.</param>
485 /// <returns>true if coords and faces were successfully generated, false if not</returns> 376 /// <returns>true if coords and faces were successfully generated, false if not</returns>
486 private bool GenerateCoordsAndFacesFromPrimMeshData( 377 private bool GenerateCoordsAndFacesFromPrimMeshData(
487 string primName, PrimitiveBaseShape primShape, Vector3 size, List<Coord> coords, List<Face> faces) 378 string primName, PrimitiveBaseShape primShape, Vector3 size, out List<Coord> coords, out List<Face> faces)
488 { 379 {
489 m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName); 380 m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName);
490 381
382 coords = new List<Coord>();
383 faces = new List<Face>();
491 OSD meshOsd = null; 384 OSD meshOsd = null;
492 385
493 if (primShape.SculptData.Length <= 0) 386 if (primShape.SculptData.Length <= 0)
@@ -603,8 +496,10 @@ namespace OpenSim.Region.Physics.Meshing
603 /// <param name="faces">Faces are added to this list by the method.</param> 496 /// <param name="faces">Faces are added to this list by the method.</param>
604 /// <returns>true if coords and faces were successfully generated, false if not</returns> 497 /// <returns>true if coords and faces were successfully generated, false if not</returns>
605 private bool GenerateCoordsAndFacesFromPrimSculptData( 498 private bool GenerateCoordsAndFacesFromPrimSculptData(
606 string primName, PrimitiveBaseShape primShape, Vector3 size, float lod, List<Coord> coords, List<Face> faces) 499 string primName, PrimitiveBaseShape primShape, Vector3 size, float lod, out List<Coord> coords, out List<Face> faces)
607 { 500 {
501 coords = new List<Coord>();
502 faces = new List<Face>();
608 PrimMesher.SculptMesh sculptMesh; 503 PrimMesher.SculptMesh sculptMesh;
609 Image idata = null; 504 Image idata = null;
610 string decodedSculptFileName = ""; 505 string decodedSculptFileName = "";
@@ -711,6 +606,135 @@ namespace OpenSim.Region.Physics.Meshing
711 return true; 606 return true;
712 } 607 }
713 608
609 /// <summary>
610 /// Generate the co-ords and faces necessary to construct a mesh from the shape data the accompanies a prim.
611 /// </summary>
612 /// <param name="primName"></param>
613 /// <param name="primShape"></param>
614 /// <param name="size"></param>
615 /// <param name="coords">Coords are added to this list by the method.</param>
616 /// <param name="faces">Faces are added to this list by the method.</param>
617 /// <returns>true if coords and faces were successfully generated, false if not</returns>
618 private bool GenerateCoordsAndFacesFromPrimShapeData(
619 string primName, PrimitiveBaseShape primShape, Vector3 size, out List<Coord> coords, out List<Face> faces)
620 {
621 PrimMesh primMesh;
622 coords = new List<Coord>();
623 faces = new List<Face>();
624
625 float pathShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f;
626 float pathShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f;
627 float pathBegin = (float)primShape.PathBegin * 2.0e-5f;
628 float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f;
629 float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f;
630 float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f;
631
632 float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
633 float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
634 float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
635 if (profileHollow > 0.95f)
636 profileHollow = 0.95f;
637
638 int sides = 4;
639 if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
640 sides = 3;
641 else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
642 sides = 24;
643 else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
644 { // half circle, prim is a sphere
645 sides = 24;
646
647 profileBegin = 0.5f * profileBegin + 0.5f;
648 profileEnd = 0.5f * profileEnd + 0.5f;
649 }
650
651 int hollowSides = sides;
652 if (primShape.HollowShape == HollowShape.Circle)
653 hollowSides = 24;
654 else if (primShape.HollowShape == HollowShape.Square)
655 hollowSides = 4;
656 else if (primShape.HollowShape == HollowShape.Triangle)
657 hollowSides = 3;
658
659 primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);
660
661 if (primMesh.errorMessage != null)
662 if (primMesh.errorMessage.Length > 0)
663 m_log.Error("[ERROR] " + primMesh.errorMessage);
664
665 primMesh.topShearX = pathShearX;
666 primMesh.topShearY = pathShearY;
667 primMesh.pathCutBegin = pathBegin;
668 primMesh.pathCutEnd = pathEnd;
669
670 if (primShape.PathCurve == (byte)Extrusion.Straight || primShape.PathCurve == (byte) Extrusion.Flexible)
671 {
672 primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10;
673 primMesh.twistEnd = primShape.PathTwist * 18 / 10;
674 primMesh.taperX = pathScaleX;
675 primMesh.taperY = pathScaleY;
676
677 if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
678 {
679 ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
680 if (profileBegin < 0.0f) profileBegin = 0.0f;
681 if (profileEnd > 1.0f) profileEnd = 1.0f;
682 }
683#if SPAM
684 m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
685#endif
686 try
687 {
688 primMesh.ExtrudeLinear();
689 }
690 catch (Exception ex)
691 {
692 ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
693 return false;
694 }
695 }
696 else
697 {
698 primMesh.holeSizeX = (200 - primShape.PathScaleX) * 0.01f;
699 primMesh.holeSizeY = (200 - primShape.PathScaleY) * 0.01f;
700 primMesh.radius = 0.01f * primShape.PathRadiusOffset;
701 primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions;
702 primMesh.skew = 0.01f * primShape.PathSkew;
703 primMesh.twistBegin = primShape.PathTwistBegin * 36 / 10;
704 primMesh.twistEnd = primShape.PathTwist * 36 / 10;
705 primMesh.taperX = primShape.PathTaperX * 0.01f;
706 primMesh.taperY = primShape.PathTaperY * 0.01f;
707
708 if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
709 {
710 ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
711 if (profileBegin < 0.0f) profileBegin = 0.0f;
712 if (profileEnd > 1.0f) profileEnd = 1.0f;
713 }
714#if SPAM
715 m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
716#endif
717 try
718 {
719 primMesh.ExtrudeCircular();
720 }
721 catch (Exception ex)
722 {
723 ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
724 return false;
725 }
726 }
727
728 primMesh.DumpRaw(baseDir, primName, "primMesh");
729
730 primMesh.Scale(size.X, size.Y, size.Z);
731
732 coords = primMesh.coords;
733 faces = primMesh.faces;
734
735 return true;
736 }
737
714 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod) 738 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod)
715 { 739 {
716 return CreateMesh(primName, primShape, size, lod, false); 740 return CreateMesh(primName, primShape, size, lod, false);