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authordahlia2013-05-24 01:53:37 -0700
committerdahlia2013-05-24 01:53:37 -0700
commit0cdea5c2f302ece2d37357b7e7b8c1d3f6ed8f94 (patch)
tree991105a8ca49ad1b85866a02872b1ed1628e288a /OpenSim
parentMerge branch 'master' of ssh://opensimulator.org/var/git/opensim (diff)
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correct some errors in decoding of mesh asset convex decomposition data
Diffstat (limited to 'OpenSim')
-rw-r--r--OpenSim/Region/Physics/Meshing/Meshmerizer.cs136
1 files changed, 83 insertions, 53 deletions
diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index fd45efe..3e2b663 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -386,61 +386,57 @@ namespace OpenSim.Region.Physics.Meshing
386 386
387 if (map.ContainsKey("physics_convex")) 387 if (map.ContainsKey("physics_convex"))
388 { // pull this out also in case physics engine can use it 388 { // pull this out also in case physics engine can use it
389 OSD convexBlockOsd = null;
389 try 390 try
390 { 391 {
391 OSDMap convexBlock = (OSDMap)map["physics_convex"]; 392 OSDMap convexBlock = (OSDMap)map["physics_convex"];
392
393 Vector3 min = new Vector3(-0.5f, -0.5f, -0.5f);
394 if (convexBlock.ContainsKey("Min")) min = convexBlock["Min"].AsVector3();
395 Vector3 max = new Vector3(0.5f, 0.5f, 0.5f);
396 if (convexBlock.ContainsKey("Max")) max = convexBlock["Max"].AsVector3();
397
398 List<Vector3> boundingHull = null;
399
400 if (convexBlock.ContainsKey("BoundingVerts"))
401 { 393 {
402 // decompress and decode bounding hull points 394 int convexOffset = convexBlock["offset"].AsInteger() + (int)start;
403 byte[] boundingVertsBytes = DecompressOsd(convexBlock["BoundingVerts"].AsBinary()).AsBinary(); 395 int convexSize = convexBlock["size"].AsInteger();
404 boundingHull = new List<Vector3>();
405 for (int i = 0; i < boundingVertsBytes.Length;)
406 {
407 ushort uX = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
408 ushort uY = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
409 ushort uZ = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
410
411 Vector3 pos = new Vector3(
412 Utils.UInt16ToFloat(uX, min.X, max.X),
413 Utils.UInt16ToFloat(uY, min.Y, max.Y),
414 Utils.UInt16ToFloat(uZ, min.Z, max.Z)
415 );
416 396
417 boundingHull.Add(pos); 397 byte[] convexBytes = new byte[convexSize];
398
399 System.Buffer.BlockCopy(primShape.SculptData, convexOffset, convexBytes, 0, convexSize);
400
401 try
402 {
403 convexBlockOsd = DecompressOsd(convexBytes);
404 }
405 catch (Exception e)
406 {
407 m_log.ErrorFormat("{0} prim='{1}': exception decoding convex block: {2}", LogHeader, primName, e);
408 //return false;
418 } 409 }
419
420 mBoundingHull = boundingHull;
421 if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed bounding hull. nHulls={2}", LogHeader, primName, mBoundingHull.Count);
422 } 410 }
423 411
424 if (convexBlock.ContainsKey("HullList")) 412 if (convexBlockOsd != null && convexBlockOsd is OSDMap)
425 { 413 {
426 byte[] hullList = convexBlock["HullList"].AsBinary(); 414 convexBlock = convexBlockOsd as OSDMap;
427 415
428 // decompress and decode hull points 416 if (debugDetail)
429 byte[] posBytes = DecompressOsd(convexBlock["Positions"].AsBinary()).AsBinary(); 417 {
430 418 string keys = "[MESH]: keys found in convexBlock: ";
431 List<List<Vector3>> hulls = new List<List<Vector3>>(); 419 foreach (KeyValuePair<string, OSD> kvp in convexBlock)
432 int posNdx = 0; 420 keys += "'" + kvp.Key + "' ";
421 m_log.Info(keys);
422 }
423
424 Vector3 min = new Vector3(-0.5f, -0.5f, -0.5f);
425 if (convexBlock.ContainsKey("Min")) min = convexBlock["Min"].AsVector3();
426 Vector3 max = new Vector3(0.5f, 0.5f, 0.5f);
427 if (convexBlock.ContainsKey("Max")) max = convexBlock["Max"].AsVector3();
428
429 List<Vector3> boundingHull = null;
433 430
434 foreach (byte cnt in hullList) 431 if (convexBlock.ContainsKey("BoundingVerts"))
435 { 432 {
436 int count = cnt == 0 ? 256 : cnt; 433 byte[] boundingVertsBytes = convexBlock["BoundingVerts"].AsBinary();
437 List<Vector3> hull = new List<Vector3>(); 434 boundingHull = new List<Vector3>();
438 435 for (int i = 0; i < boundingVertsBytes.Length; )
439 for (int i = 0; i < count; i++)
440 { 436 {
441 ushort uX = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; 437 ushort uX = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
442 ushort uY = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; 438 ushort uY = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
443 ushort uZ = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2; 439 ushort uZ = Utils.BytesToUInt16(boundingVertsBytes, i); i += 2;
444 440
445 Vector3 pos = new Vector3( 441 Vector3 pos = new Vector3(
446 Utils.UInt16ToFloat(uX, min.X, max.X), 442 Utils.UInt16ToFloat(uX, min.X, max.X),
@@ -448,18 +444,52 @@ namespace OpenSim.Region.Physics.Meshing
448 Utils.UInt16ToFloat(uZ, min.Z, max.Z) 444 Utils.UInt16ToFloat(uZ, min.Z, max.Z)
449 ); 445 );
450 446
451 hull.Add(pos); 447 boundingHull.Add(pos);
452 } 448 }
453 449
454 hulls.Add(hull); 450 mBoundingHull = boundingHull;
451 if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed bounding hull. nVerts={2}", LogHeader, primName, mBoundingHull.Count);
455 } 452 }
456 453
457 mConvexHulls = hulls; 454 if (convexBlock.ContainsKey("HullList"))
458 if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed hulls. nHulls={2}", LogHeader, primName, mConvexHulls.Count); 455 {
459 } 456 byte[] hullList = convexBlock["HullList"].AsBinary();
460 else 457
461 { 458 byte[] posBytes = convexBlock["Positions"].AsBinary();
462 if (debugDetail) m_log.DebugFormat("{0} prim='{1}' has physics_convex but no HullList", LogHeader, primName); 459
460 List<List<Vector3>> hulls = new List<List<Vector3>>();
461 int posNdx = 0;
462
463 foreach (byte cnt in hullList)
464 {
465 int count = cnt == 0 ? 256 : cnt;
466 List<Vector3> hull = new List<Vector3>();
467
468 for (int i = 0; i < count; i++)
469 {
470 ushort uX = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2;
471 ushort uY = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2;
472 ushort uZ = Utils.BytesToUInt16(posBytes, posNdx); posNdx += 2;
473
474 Vector3 pos = new Vector3(
475 Utils.UInt16ToFloat(uX, min.X, max.X),
476 Utils.UInt16ToFloat(uY, min.Y, max.Y),
477 Utils.UInt16ToFloat(uZ, min.Z, max.Z)
478 );
479
480 hull.Add(pos);
481 }
482
483 hulls.Add(hull);
484 }
485
486 mConvexHulls = hulls;
487 if (debugDetail) m_log.DebugFormat("{0} prim='{1}': parsed hulls. nHulls={2}", LogHeader, primName, mConvexHulls.Count);
488 }
489 else
490 {
491 if (debugDetail) m_log.DebugFormat("{0} prim='{1}' has physics_convex but no HullList", LogHeader, primName);
492 }
463 } 493 }
464 } 494 }
465 catch (Exception e) 495 catch (Exception e)
@@ -483,7 +513,7 @@ namespace OpenSim.Region.Physics.Meshing
483 OSD decodedMeshOsd = new OSD(); 513 OSD decodedMeshOsd = new OSD();
484 byte[] meshBytes = new byte[physSize]; 514 byte[] meshBytes = new byte[physSize];
485 System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize); 515 System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
486// byte[] decompressed = new byte[physSize * 5]; 516 // byte[] decompressed = new byte[physSize * 5];
487 try 517 try
488 { 518 {
489 decodedMeshOsd = DecompressOsd(meshBytes); 519 decodedMeshOsd = DecompressOsd(meshBytes);
@@ -499,7 +529,7 @@ namespace OpenSim.Region.Physics.Meshing
499 // physics_shape is an array of OSDMaps, one for each submesh 529 // physics_shape is an array of OSDMaps, one for each submesh
500 if (decodedMeshOsd is OSDArray) 530 if (decodedMeshOsd is OSDArray)
501 { 531 {
502// Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd)); 532 // Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));
503 533
504 decodedMeshOsdArray = (OSDArray)decodedMeshOsd; 534 decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
505 foreach (OSD subMeshOsd in decodedMeshOsdArray) 535 foreach (OSD subMeshOsd in decodedMeshOsdArray)