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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//#define SPAM
28
29using System;
30using System.Collections.Generic;
31using OpenSim.Framework;
32using OpenSim.Region.Physics.Manager;
33using OpenMetaverse;
34using OpenMetaverse.StructuredData;
35using System.Drawing;
36using System.Drawing.Imaging;
37using System.IO.Compression;
38using PrimMesher;
39using log4net;
40using Nini.Config;
41using System.Reflection;
42using System.IO;
43using ComponentAce.Compression.Libs.zlib;
44using OpenSim.Region.Physics.ConvexDecompositionDotNet;
45using System.Runtime.Serialization;
46using System.Runtime.Serialization.Formatters.Binary;
47
48namespace OpenSim.Region.Physics.Meshing
49{
50 public class MeshmerizerPlugin : IMeshingPlugin
51 {
52 public MeshmerizerPlugin()
53 {
54 }
55
56 public string GetName()
57 {
58 return "UbitMeshmerizer";
59 }
60
61 public IMesher GetMesher(IConfigSource config)
62 {
63 return new Meshmerizer(config);
64 }
65 }
66
67 public class Meshmerizer : IMesher
68 {
69 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
70
71 // Setting baseDir to a path will enable the dumping of raw files
72 // raw files can be imported by blender so a visual inspection of the results can be done
73
74 public object diskLock = new object();
75
76 public bool doMeshFileCache = true;
77
78 public string cachePath = "MeshCache";
79 public TimeSpan CacheExpire;
80 public bool doCacheExpire = true;
81
82// const string baseDir = "rawFiles";
83 private const string baseDir = null; //"rawFiles";
84
85 private bool useMeshiesPhysicsMesh = false;
86
87 private float minSizeForComplexMesh = 0.2f; // prims with all dimensions smaller than this will have a bounding box mesh
88
89 private Dictionary<AMeshKey, Mesh> m_uniqueMeshes = new Dictionary<AMeshKey, Mesh>();
90 private Dictionary<AMeshKey, Mesh> m_uniqueReleasedMeshes = new Dictionary<AMeshKey, Mesh>();
91
92 public Meshmerizer(IConfigSource config)
93 {
94 IConfig start_config = config.Configs["Startup"];
95 IConfig mesh_config = config.Configs["Mesh"];
96
97
98 float fcache = 48.0f;
99// float fcache = 0.02f;
100
101 if(mesh_config != null)
102 {
103 useMeshiesPhysicsMesh = mesh_config.GetBoolean("UseMeshiesPhysicsMesh", useMeshiesPhysicsMesh);
104 if (useMeshiesPhysicsMesh)
105 {
106 doMeshFileCache = mesh_config.GetBoolean("MeshFileCache", doMeshFileCache);
107 cachePath = mesh_config.GetString("MeshFileCachePath", cachePath);
108 fcache = mesh_config.GetFloat("MeshFileCacheExpireHours", fcache);
109 doCacheExpire = mesh_config.GetBoolean("MeshFileCacheDoExpire", doCacheExpire);
110 }
111 else
112 {
113 doMeshFileCache = false;
114 doCacheExpire = false;
115 }
116 }
117
118 CacheExpire = TimeSpan.FromHours(fcache);
119
120 }
121
122 /// <summary>
123 /// creates a simple box mesh of the specified size. This mesh is of very low vertex count and may
124 /// be useful as a backup proxy when level of detail is not needed or when more complex meshes fail
125 /// for some reason
126 /// </summary>
127 /// <param name="minX"></param>
128 /// <param name="maxX"></param>
129 /// <param name="minY"></param>
130 /// <param name="maxY"></param>
131 /// <param name="minZ"></param>
132 /// <param name="maxZ"></param>
133 /// <returns></returns>
134 private static Mesh CreateSimpleBoxMesh(float minX, float maxX, float minY, float maxY, float minZ, float maxZ)
135 {
136 Mesh box = new Mesh();
137 List<Vertex> vertices = new List<Vertex>();
138 // bottom
139
140 vertices.Add(new Vertex(minX, maxY, minZ));
141 vertices.Add(new Vertex(maxX, maxY, minZ));
142 vertices.Add(new Vertex(maxX, minY, minZ));
143 vertices.Add(new Vertex(minX, minY, minZ));
144
145 box.Add(new Triangle(vertices[0], vertices[1], vertices[2]));
146 box.Add(new Triangle(vertices[0], vertices[2], vertices[3]));
147
148 // top
149
150 vertices.Add(new Vertex(maxX, maxY, maxZ));
151 vertices.Add(new Vertex(minX, maxY, maxZ));
152 vertices.Add(new Vertex(minX, minY, maxZ));
153 vertices.Add(new Vertex(maxX, minY, maxZ));
154
155 box.Add(new Triangle(vertices[4], vertices[5], vertices[6]));
156 box.Add(new Triangle(vertices[4], vertices[6], vertices[7]));
157
158 // sides
159
160 box.Add(new Triangle(vertices[5], vertices[0], vertices[3]));
161 box.Add(new Triangle(vertices[5], vertices[3], vertices[6]));
162
163 box.Add(new Triangle(vertices[1], vertices[0], vertices[5]));
164 box.Add(new Triangle(vertices[1], vertices[5], vertices[4]));
165
166 box.Add(new Triangle(vertices[7], vertices[1], vertices[4]));
167 box.Add(new Triangle(vertices[7], vertices[2], vertices[1]));
168
169 box.Add(new Triangle(vertices[3], vertices[2], vertices[7]));
170 box.Add(new Triangle(vertices[3], vertices[7], vertices[6]));
171
172 return box;
173 }
174
175 /// <summary>
176 /// Creates a simple bounding box mesh for a complex input mesh
177 /// </summary>
178 /// <param name="meshIn"></param>
179 /// <returns></returns>
180 private static Mesh CreateBoundingBoxMesh(Mesh meshIn)
181 {
182 float minX = float.MaxValue;
183 float maxX = float.MinValue;
184 float minY = float.MaxValue;
185 float maxY = float.MinValue;
186 float minZ = float.MaxValue;
187 float maxZ = float.MinValue;
188
189 foreach (Vector3 v in meshIn.getVertexList())
190 {
191 if (v.X < minX) minX = v.X;
192 if (v.Y < minY) minY = v.Y;
193 if (v.Z < minZ) minZ = v.Z;
194
195 if (v.X > maxX) maxX = v.X;
196 if (v.Y > maxY) maxY = v.Y;
197 if (v.Z > maxZ) maxZ = v.Z;
198 }
199
200 return CreateSimpleBoxMesh(minX, maxX, minY, maxY, minZ, maxZ);
201 }
202
203 private void ReportPrimError(string message, string primName, PrimMesh primMesh)
204 {
205 m_log.Error(message);
206 m_log.Error("\nPrim Name: " + primName);
207 m_log.Error("****** PrimMesh Parameters ******\n" + primMesh.ParamsToDisplayString());
208 }
209
210 /// <summary>
211 /// Add a submesh to an existing list of coords and faces.
212 /// </summary>
213 /// <param name="subMeshData"></param>
214 /// <param name="size">Size of entire object</param>
215 /// <param name="coords"></param>
216 /// <param name="faces"></param>
217 private void AddSubMesh(OSDMap subMeshData, List<Coord> coords, List<Face> faces)
218 {
219 // Console.WriteLine("subMeshMap for {0} - {1}", primName, Util.GetFormattedXml((OSD)subMeshMap));
220
221 // As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level
222 // of Detail Blocks (maps) contain just a NoGeometry key to signal there is no
223 // geometry for this submesh.
224 if (subMeshData.ContainsKey("NoGeometry") && ((OSDBoolean)subMeshData["NoGeometry"]))
225 return;
226
227 OpenMetaverse.Vector3 posMax;
228 OpenMetaverse.Vector3 posMin;
229 if (subMeshData.ContainsKey("PositionDomain"))
230 {
231 posMax = ((OSDMap)subMeshData["PositionDomain"])["Max"].AsVector3();
232 posMin = ((OSDMap)subMeshData["PositionDomain"])["Min"].AsVector3();
233 }
234 else
235 {
236 posMax = new Vector3(0.5f, 0.5f, 0.5f);
237 posMin = new Vector3(-0.5f, -0.5f, -0.5f);
238 }
239
240 ushort faceIndexOffset = (ushort)coords.Count;
241
242 byte[] posBytes = subMeshData["Position"].AsBinary();
243 for (int i = 0; i < posBytes.Length; i += 6)
244 {
245 ushort uX = Utils.BytesToUInt16(posBytes, i);
246 ushort uY = Utils.BytesToUInt16(posBytes, i + 2);
247 ushort uZ = Utils.BytesToUInt16(posBytes, i + 4);
248
249 Coord c = new Coord(
250 Utils.UInt16ToFloat(uX, posMin.X, posMax.X),
251 Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y),
252 Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z));
253
254 coords.Add(c);
255 }
256
257 byte[] triangleBytes = subMeshData["TriangleList"].AsBinary();
258 for (int i = 0; i < triangleBytes.Length; i += 6)
259 {
260 ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i) + faceIndexOffset);
261 ushort v2 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2) + faceIndexOffset);
262 ushort v3 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4) + faceIndexOffset);
263 Face f = new Face(v1, v2, v3);
264 faces.Add(f);
265 }
266 }
267
268 /// <summary>
269 /// Create a physics mesh from data that comes with the prim. The actual data used depends on the prim type.
270 /// </summary>
271 /// <param name="primName"></param>
272 /// <param name="primShape"></param>
273 /// <param name="size"></param>
274 /// <param name="lod"></param>
275 /// <returns></returns>
276 private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, float lod, bool convex)
277 {
278// m_log.DebugFormat(
279// "[MESH]: Creating physics proxy for {0}, shape {1}",
280// primName, (OpenMetaverse.SculptType)primShape.SculptType);
281
282 List<Coord> coords;
283 List<Face> faces;
284
285 if (primShape.SculptEntry)
286 {
287 if (((OpenMetaverse.SculptType)primShape.SculptType) == SculptType.Mesh)
288 {
289 if (!useMeshiesPhysicsMesh)
290 return null;
291
292 if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, out coords, out faces, convex))
293 return null;
294 }
295 else
296 {
297 if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, lod, out coords, out faces))
298 return null;
299 }
300 }
301 else
302 {
303 if (!GenerateCoordsAndFacesFromPrimShapeData(primName, primShape, lod, out coords, out faces))
304 return null;
305 }
306
307 primShape.SculptData = Utils.EmptyBytes;
308
309 int numCoords = coords.Count;
310 int numFaces = faces.Count;
311
312 Mesh mesh = new Mesh();
313 // Add the corresponding triangles to the mesh
314 for (int i = 0; i < numFaces; i++)
315 {
316 Face f = faces[i];
317 mesh.Add(new Triangle(coords[f.v1].X, coords[f.v1].Y, coords[f.v1].Z,
318 coords[f.v2].X, coords[f.v2].Y, coords[f.v2].Z,
319 coords[f.v3].X, coords[f.v3].Y, coords[f.v3].Z));
320 }
321
322 coords.Clear();
323 faces.Clear();
324
325 return mesh;
326 }
327
328 /// <summary>
329 /// Generate the co-ords and faces necessary to construct a mesh from the mesh data the accompanies a prim.
330 /// </summary>
331 /// <param name="primName"></param>
332 /// <param name="primShape"></param>
333 /// <param name="size"></param>
334 /// <param name="coords">Coords are added to this list by the method.</param>
335 /// <param name="faces">Faces are added to this list by the method.</param>
336 /// <returns>true if coords and faces were successfully generated, false if not</returns>
337 private bool GenerateCoordsAndFacesFromPrimMeshData(
338 string primName, PrimitiveBaseShape primShape, out List<Coord> coords, out List<Face> faces, bool convex)
339 {
340// m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName);
341
342 bool usemesh = false;
343
344 coords = new List<Coord>();
345 faces = new List<Face>();
346 OSD meshOsd = null;
347
348 if (primShape.SculptData.Length <= 0)
349 {
350// m_log.InfoFormat("[MESH]: asset data for {0} is zero length", primName);
351 return false;
352 }
353
354 long start = 0;
355 using (MemoryStream data = new MemoryStream(primShape.SculptData))
356 {
357 try
358 {
359 OSD osd = OSDParser.DeserializeLLSDBinary(data);
360 if (osd is OSDMap)
361 meshOsd = (OSDMap)osd;
362 else
363 {
364 m_log.Warn("[Mesh}: unable to cast mesh asset to OSDMap");
365 return false;
366 }
367 }
368 catch (Exception e)
369 {
370 m_log.Error("[MESH]: Exception deserializing mesh asset header:" + e.ToString());
371 }
372
373 start = data.Position;
374 }
375
376 if (meshOsd is OSDMap)
377 {
378 OSDMap physicsParms = null;
379 OSDMap map = (OSDMap)meshOsd;
380
381 if (!convex)
382 {
383 if (map.ContainsKey("physics_shape"))
384 physicsParms = (OSDMap)map["physics_shape"]; // old asset format
385 else if (map.ContainsKey("physics_mesh"))
386 physicsParms = (OSDMap)map["physics_mesh"]; // new asset format
387
388 if (physicsParms != null)
389 usemesh = true;
390 }
391
392 if(!usemesh && (map.ContainsKey("physics_convex")))
393 physicsParms = (OSDMap)map["physics_convex"];
394
395
396 if (physicsParms == null)
397 {
398 m_log.Warn("[MESH]: unknown mesh type");
399 return false;
400 }
401
402 int physOffset = physicsParms["offset"].AsInteger() + (int)start;
403 int physSize = physicsParms["size"].AsInteger();
404
405 if (physOffset < 0 || physSize == 0)
406 return false; // no mesh data in asset
407
408 OSD decodedMeshOsd = new OSD();
409 byte[] meshBytes = new byte[physSize];
410 System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
411
412 try
413 {
414 using (MemoryStream inMs = new MemoryStream(meshBytes))
415 {
416 using (MemoryStream outMs = new MemoryStream())
417 {
418 using (ZOutputStream zOut = new ZOutputStream(outMs))
419 {
420 byte[] readBuffer = new byte[2048];
421 int readLen = 0;
422 while ((readLen = inMs.Read(readBuffer, 0, readBuffer.Length)) > 0)
423 {
424 zOut.Write(readBuffer, 0, readLen);
425 }
426 zOut.Flush();
427 outMs.Seek(0, SeekOrigin.Begin);
428
429 byte[] decompressedBuf = outMs.GetBuffer();
430
431 decodedMeshOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf);
432 }
433 }
434 }
435 }
436 catch (Exception e)
437 {
438 m_log.Error("[MESH]: exception decoding physical mesh: " + e.ToString());
439 return false;
440 }
441
442 if (usemesh)
443 {
444 OSDArray decodedMeshOsdArray = null;
445
446 // physics_shape is an array of OSDMaps, one for each submesh
447 if (decodedMeshOsd is OSDArray)
448 {
449// Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));
450
451 decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
452 foreach (OSD subMeshOsd in decodedMeshOsdArray)
453 {
454 if (subMeshOsd is OSDMap)
455 AddSubMesh(subMeshOsd as OSDMap, coords, faces);
456 }
457 }
458 }
459 else
460 {
461 OSDMap cmap = (OSDMap)decodedMeshOsd;
462 if (cmap == null)
463 return false;
464
465 byte[] data;
466
467 List<float3> vs = new List<float3>();
468 PHullResult hullr = new PHullResult();
469 float3 f3;
470 Coord c;
471 Face f;
472 Vector3 range;
473 Vector3 min;
474
475 const float invMaxU16 = 1.0f / 65535f;
476 int t1;
477 int t2;
478 int t3;
479 int i;
480 int nverts;
481 int nindexs;
482
483 if (cmap.ContainsKey("Max"))
484 range = cmap["Max"].AsVector3();
485 else
486 range = new Vector3(0.5f, 0.5f, 0.5f);
487
488 if (cmap.ContainsKey("Min"))
489 min = cmap["Min"].AsVector3();
490 else
491 min = new Vector3(-0.5f, -0.5f, -0.5f);
492
493 range = range - min;
494 range *= invMaxU16;
495
496 if (!convex && cmap.ContainsKey("HullList") && cmap.ContainsKey("Positions"))
497 {
498 List<int> hsizes = new List<int>();
499 int totalpoints = 0;
500 data = cmap["HullList"].AsBinary();
501 for (i = 0; i < data.Length; i++)
502 {
503 t1 = data[i];
504 if (t1 == 0)
505 t1 = 256;
506 totalpoints += t1;
507 hsizes.Add(t1);
508 }
509
510 data = cmap["Positions"].AsBinary();
511 int ptr = 0;
512 int vertsoffset = 0;
513
514 if (totalpoints == data.Length / 6) // 2 bytes per coord, 3 coords per point
515 {
516 foreach (int hullsize in hsizes)
517 {
518 for (i = 0; i < hullsize; i++ )
519 {
520 t1 = data[ptr++];
521 t1 += data[ptr++] << 8;
522 t2 = data[ptr++];
523 t2 += data[ptr++] << 8;
524 t3 = data[ptr++];
525 t3 += data[ptr++] << 8;
526
527 f3 = new float3((t1 * range.X + min.X),
528 (t2 * range.Y + min.Y),
529 (t3 * range.Z + min.Z));
530 vs.Add(f3);
531 }
532
533 if(hullsize <3)
534 {
535 vs.Clear();
536 continue;
537 }
538
539 if (hullsize <5)
540 {
541 foreach (float3 point in vs)
542 {
543 c.X = point.x;
544 c.Y = point.y;
545 c.Z = point.z;
546 coords.Add(c);
547 }
548 f = new Face(vertsoffset, vertsoffset + 1, vertsoffset + 2);
549 faces.Add(f);
550
551 if (hullsize == 4)
552 {
553 // not sure about orientation..
554 f = new Face(vertsoffset, vertsoffset + 2, vertsoffset + 3);
555 faces.Add(f);
556 f = new Face(vertsoffset, vertsoffset + 3, vertsoffset + 1);
557 faces.Add(f);
558 f = new Face(vertsoffset + 3, vertsoffset + 2, vertsoffset + 1);
559 faces.Add(f);
560 }
561 vertsoffset += vs.Count;
562 vs.Clear();
563 continue;
564 }
565
566 if (!HullUtils.ComputeHull(vs, ref hullr, 0, 0.0f))
567 {
568 vs.Clear();
569 continue;
570 }
571
572 nverts = hullr.Vertices.Count;
573 nindexs = hullr.Indices.Count;
574
575 if (nindexs % 3 != 0)
576 {
577 vs.Clear();
578 continue;
579 }
580
581 for (i = 0; i < nverts; i++)
582 {
583 c.X = hullr.Vertices[i].x;
584 c.Y = hullr.Vertices[i].y;
585 c.Z = hullr.Vertices[i].z;
586 coords.Add(c);
587 }
588
589 for (i = 0; i < nindexs; i += 3)
590 {
591 t1 = hullr.Indices[i];
592 if (t1 > nverts)
593 break;
594 t2 = hullr.Indices[i + 1];
595 if (t2 > nverts)
596 break;
597 t3 = hullr.Indices[i + 2];
598 if (t3 > nverts)
599 break;
600 f = new Face(vertsoffset + t1, vertsoffset + t2, vertsoffset + t3);
601 faces.Add(f);
602 }
603 vertsoffset += nverts;
604 vs.Clear();
605 }
606 }
607 if (coords.Count > 0 && faces.Count > 0)
608 return true;
609 }
610
611 vs.Clear();
612
613 if (cmap.ContainsKey("BoundingVerts"))
614 {
615 data = cmap["BoundingVerts"].AsBinary();
616
617 for (i = 0; i < data.Length; )
618 {
619 t1 = data[i++];
620 t1 += data[i++] << 8;
621 t2 = data[i++];
622 t2 += data[i++] << 8;
623 t3 = data[i++];
624 t3 += data[i++] << 8;
625
626 f3 = new float3((t1 * range.X + min.X),
627 (t2 * range.Y + min.Y),
628 (t3 * range.Z + min.Z));
629 vs.Add(f3);
630 }
631
632 if (vs.Count < 3)
633 {
634 vs.Clear();
635 return false;
636 }
637
638 if (vs.Count < 5)
639 {
640 foreach (float3 point in vs)
641 {
642 c.X = point.x;
643 c.Y = point.y;
644 c.Z = point.z;
645 coords.Add(c);
646 }
647 f = new Face(0, 1, 2);
648 faces.Add(f);
649
650 if (vs.Count == 4)
651 {
652 f = new Face(0, 2, 3);
653 faces.Add(f);
654 f = new Face(0, 3, 1);
655 faces.Add(f);
656 f = new Face( 3, 2, 1);
657 faces.Add(f);
658 }
659 vs.Clear();
660 return true;
661 }
662
663 if (!HullUtils.ComputeHull(vs, ref hullr, 0, 0.0f))
664 return false;
665
666 nverts = hullr.Vertices.Count;
667 nindexs = hullr.Indices.Count;
668
669 if (nindexs % 3 != 0)
670 return false;
671
672 for (i = 0; i < nverts; i++)
673 {
674 c.X = hullr.Vertices[i].x;
675 c.Y = hullr.Vertices[i].y;
676 c.Z = hullr.Vertices[i].z;
677 coords.Add(c);
678 }
679 for (i = 0; i < nindexs; i += 3)
680 {
681 t1 = hullr.Indices[i];
682 if (t1 > nverts)
683 break;
684 t2 = hullr.Indices[i + 1];
685 if (t2 > nverts)
686 break;
687 t3 = hullr.Indices[i + 2];
688 if (t3 > nverts)
689 break;
690 f = new Face(t1, t2, t3);
691 faces.Add(f);
692 }
693
694 if (coords.Count > 0 && faces.Count > 0)
695 return true;
696 }
697 else
698 return false;
699 }
700 }
701
702 return true;
703 }
704
705 /// <summary>
706 /// Generate the co-ords and faces necessary to construct a mesh from the sculpt data the accompanies a prim.
707 /// </summary>
708 /// <param name="primName"></param>
709 /// <param name="primShape"></param>
710 /// <param name="size"></param>
711 /// <param name="lod"></param>
712 /// <param name="coords">Coords are added to this list by the method.</param>
713 /// <param name="faces">Faces are added to this list by the method.</param>
714 /// <returns>true if coords and faces were successfully generated, false if not</returns>
715 private bool GenerateCoordsAndFacesFromPrimSculptData(
716 string primName, PrimitiveBaseShape primShape, float lod, out List<Coord> coords, out List<Face> faces)
717 {
718 coords = new List<Coord>();
719 faces = new List<Face>();
720 PrimMesher.SculptMesh sculptMesh;
721 Image idata = null;
722
723 if (primShape.SculptData == null || primShape.SculptData.Length == 0)
724 return false;
725
726 try
727 {
728 OpenMetaverse.Imaging.ManagedImage unusedData;
729 OpenMetaverse.Imaging.OpenJPEG.DecodeToImage(primShape.SculptData, out unusedData, out idata);
730
731 unusedData = null;
732
733 if (idata == null)
734 {
735 // In some cases it seems that the decode can return a null bitmap without throwing
736 // an exception
737 m_log.WarnFormat("[PHYSICS]: OpenJPEG decoded sculpt data for {0} to a null bitmap. Ignoring.", primName);
738 return false;
739 }
740 }
741 catch (DllNotFoundException)
742 {
743 m_log.Error("[PHYSICS]: OpenJpeg is not installed correctly on this system. Physics Proxy generation failed. Often times this is because of an old version of GLIBC. You must have version 2.4 or above!");
744 return false;
745 }
746 catch (IndexOutOfRangeException)
747 {
748 m_log.Error("[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed");
749 return false;
750 }
751 catch (Exception ex)
752 {
753 m_log.Error("[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed: " + ex.Message);
754 return false;
755 }
756
757 PrimMesher.SculptMesh.SculptType sculptType;
758 // remove mirror and invert bits
759 OpenMetaverse.SculptType pbsSculptType = ((OpenMetaverse.SculptType)(primShape.SculptType & 0x3f));
760 switch (pbsSculptType)
761 {
762 case OpenMetaverse.SculptType.Cylinder:
763 sculptType = PrimMesher.SculptMesh.SculptType.cylinder;
764 break;
765 case OpenMetaverse.SculptType.Plane:
766 sculptType = PrimMesher.SculptMesh.SculptType.plane;
767 break;
768 case OpenMetaverse.SculptType.Torus:
769 sculptType = PrimMesher.SculptMesh.SculptType.torus;
770 break;
771 case OpenMetaverse.SculptType.Sphere:
772 sculptType = PrimMesher.SculptMesh.SculptType.sphere;
773 break;
774 default:
775 sculptType = PrimMesher.SculptMesh.SculptType.plane;
776 break;
777 }
778
779 bool mirror = ((primShape.SculptType & 128) != 0);
780 bool invert = ((primShape.SculptType & 64) != 0);
781
782 sculptMesh = new PrimMesher.SculptMesh((Bitmap)idata, sculptType, (int)lod, mirror, invert);
783
784 idata.Dispose();
785
786// sculptMesh.DumpRaw(baseDir, primName, "primMesh");
787
788 coords = sculptMesh.coords;
789 faces = sculptMesh.faces;
790
791 return true;
792 }
793
794 /// <summary>
795 /// Generate the co-ords and faces necessary to construct a mesh from the shape data the accompanies a prim.
796 /// </summary>
797 /// <param name="primName"></param>
798 /// <param name="primShape"></param>
799 /// <param name="size"></param>
800 /// <param name="coords">Coords are added to this list by the method.</param>
801 /// <param name="faces">Faces are added to this list by the method.</param>
802 /// <returns>true if coords and faces were successfully generated, false if not</returns>
803 private bool GenerateCoordsAndFacesFromPrimShapeData(
804 string primName, PrimitiveBaseShape primShape, float lod, out List<Coord> coords, out List<Face> faces)
805 {
806 PrimMesh primMesh;
807 coords = new List<Coord>();
808 faces = new List<Face>();
809
810 float pathShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f;
811 float pathShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f;
812 float pathBegin = (float)primShape.PathBegin * 2.0e-5f;
813 float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f;
814 float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f;
815 float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f;
816
817 float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
818 float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
819 float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
820 if (profileHollow > 0.95f)
821 profileHollow = 0.95f;
822
823 int sides = 4;
824 LevelOfDetail iLOD = (LevelOfDetail)lod;
825 if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
826 sides = 3;
827 else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
828 {
829 switch (iLOD)
830 {
831 case LevelOfDetail.High: sides = 24; break;
832 case LevelOfDetail.Medium: sides = 12; break;
833 case LevelOfDetail.Low: sides = 6; break;
834 case LevelOfDetail.VeryLow: sides = 3; break;
835 default: sides = 24; break;
836 }
837 }
838 else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
839 { // half circle, prim is a sphere
840 switch (iLOD)
841 {
842 case LevelOfDetail.High: sides = 24; break;
843 case LevelOfDetail.Medium: sides = 12; break;
844 case LevelOfDetail.Low: sides = 6; break;
845 case LevelOfDetail.VeryLow: sides = 3; break;
846 default: sides = 24; break;
847 }
848
849 profileBegin = 0.5f * profileBegin + 0.5f;
850 profileEnd = 0.5f * profileEnd + 0.5f;
851 }
852
853 int hollowSides = sides;
854 if (primShape.HollowShape == HollowShape.Circle)
855 {
856 switch (iLOD)
857 {
858 case LevelOfDetail.High: hollowSides = 24; break;
859 case LevelOfDetail.Medium: hollowSides = 12; break;
860 case LevelOfDetail.Low: hollowSides = 6; break;
861 case LevelOfDetail.VeryLow: hollowSides = 3; break;
862 default: hollowSides = 24; break;
863 }
864 }
865 else if (primShape.HollowShape == HollowShape.Square)
866 hollowSides = 4;
867 else if (primShape.HollowShape == HollowShape.Triangle)
868 hollowSides = 3;
869
870 primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);
871
872 if (primMesh.errorMessage != null)
873 if (primMesh.errorMessage.Length > 0)
874 m_log.Error("[ERROR] " + primMesh.errorMessage);
875
876 primMesh.topShearX = pathShearX;
877 primMesh.topShearY = pathShearY;
878 primMesh.pathCutBegin = pathBegin;
879 primMesh.pathCutEnd = pathEnd;
880
881 if (primShape.PathCurve == (byte)Extrusion.Straight || primShape.PathCurve == (byte) Extrusion.Flexible)
882 {
883 primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10;
884 primMesh.twistEnd = primShape.PathTwist * 18 / 10;
885 primMesh.taperX = pathScaleX;
886 primMesh.taperY = pathScaleY;
887
888 if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
889 {
890 ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
891 if (profileBegin < 0.0f) profileBegin = 0.0f;
892 if (profileEnd > 1.0f) profileEnd = 1.0f;
893 }
894#if SPAM
895 m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
896#endif
897 try
898 {
899 primMesh.ExtrudeLinear();
900 }
901 catch (Exception ex)
902 {
903 ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
904 return false;
905 }
906 }
907 else
908 {
909 primMesh.holeSizeX = (200 - primShape.PathScaleX) * 0.01f;
910 primMesh.holeSizeY = (200 - primShape.PathScaleY) * 0.01f;
911 primMesh.radius = 0.01f * primShape.PathRadiusOffset;
912 primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions;
913 primMesh.skew = 0.01f * primShape.PathSkew;
914 primMesh.twistBegin = primShape.PathTwistBegin * 36 / 10;
915 primMesh.twistEnd = primShape.PathTwist * 36 / 10;
916 primMesh.taperX = primShape.PathTaperX * 0.01f;
917 primMesh.taperY = primShape.PathTaperY * 0.01f;
918
919 if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
920 {
921 ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
922 if (profileBegin < 0.0f) profileBegin = 0.0f;
923 if (profileEnd > 1.0f) profileEnd = 1.0f;
924 }
925#if SPAM
926 m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
927#endif
928 try
929 {
930 primMesh.ExtrudeCircular();
931 }
932 catch (Exception ex)
933 {
934 ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
935 return false;
936 }
937 }
938
939// primMesh.DumpRaw(baseDir, primName, "primMesh");
940
941 coords = primMesh.coords;
942 faces = primMesh.faces;
943
944 return true;
945 }
946
947 public AMeshKey GetMeshUniqueKey(PrimitiveBaseShape primShape, Vector3 size, byte lod, bool convex)
948 {
949 AMeshKey key = new AMeshKey();
950 Byte[] someBytes;
951
952 key.hashB = 5181;
953 key.hashC = 5181;
954 ulong hash = 5381;
955
956 if (primShape.SculptEntry)
957 {
958 key.uuid = primShape.SculptTexture;
959 key.hashC = mdjb2(key.hashC, primShape.SculptType);
960 key.hashC = mdjb2(key.hashC, primShape.PCode);
961 }
962 else
963 {
964 hash = mdjb2(hash, primShape.PathCurve);
965 hash = mdjb2(hash, (byte)primShape.HollowShape);
966 hash = mdjb2(hash, (byte)primShape.ProfileShape);
967 hash = mdjb2(hash, primShape.PathBegin);
968 hash = mdjb2(hash, primShape.PathEnd);
969 hash = mdjb2(hash, primShape.PathScaleX);
970 hash = mdjb2(hash, primShape.PathScaleY);
971 hash = mdjb2(hash, primShape.PathShearX);
972 key.hashA = hash;
973 hash = key.hashB;
974 hash = mdjb2(hash, primShape.PathShearY);
975 hash = mdjb2(hash, (byte)primShape.PathTwist);
976 hash = mdjb2(hash, (byte)primShape.PathTwistBegin);
977 hash = mdjb2(hash, (byte)primShape.PathRadiusOffset);
978 hash = mdjb2(hash, (byte)primShape.PathTaperX);
979 hash = mdjb2(hash, (byte)primShape.PathTaperY);
980 hash = mdjb2(hash, primShape.PathRevolutions);
981 hash = mdjb2(hash, (byte)primShape.PathSkew);
982 hash = mdjb2(hash, primShape.ProfileBegin);
983 hash = mdjb2(hash, primShape.ProfileEnd);
984 hash = mdjb2(hash, primShape.ProfileHollow);
985 hash = mdjb2(hash, primShape.PCode);
986 key.hashB = hash;
987 }
988
989 hash = key.hashC;
990
991 hash = mdjb2(hash, lod);
992
993 if (size == m_MeshUnitSize)
994 {
995 hash = hash << 8;
996 hash |= 8;
997 }
998 else
999 {
1000 someBytes = size.GetBytes();
1001 for (int i = 0; i < someBytes.Length; i++)
1002 hash = mdjb2(hash, someBytes[i]);
1003 hash = hash << 8;
1004 }
1005
1006 if (convex)
1007 hash |= 4;
1008
1009 if (primShape.SculptEntry)
1010 {
1011 hash |= 1;
1012 if (primShape.SculptType == (byte)SculptType.Mesh)
1013 hash |= 2;
1014 }
1015
1016 key.hashC = hash;
1017
1018 return key;
1019 }
1020
1021 private ulong mdjb2(ulong hash, byte c)
1022 {
1023 return ((hash << 5) + hash) + (ulong)c;
1024 }
1025
1026 private ulong mdjb2(ulong hash, ushort c)
1027 {
1028 hash = ((hash << 5) + hash) + (ulong)((byte)c);
1029 return ((hash << 5) + hash) + (ulong)(c >> 8);
1030 }
1031
1032 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod)
1033 {
1034 return CreateMesh(primName, primShape, size, lod, false,false,false,false);
1035 }
1036
1037 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical)
1038 {
1039 return CreateMesh(primName, primShape, size, lod, false,false,false,false);
1040 }
1041
1042 public IMesh GetMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool convex)
1043 {
1044 Mesh mesh = null;
1045
1046 if (size.X < 0.01f) size.X = 0.01f;
1047 if (size.Y < 0.01f) size.Y = 0.01f;
1048 if (size.Z < 0.01f) size.Z = 0.01f;
1049
1050 AMeshKey key = GetMeshUniqueKey(primShape, size, (byte)lod, convex);
1051 lock (m_uniqueMeshes)
1052 {
1053 m_uniqueMeshes.TryGetValue(key, out mesh);
1054
1055 if (mesh != null)
1056 {
1057 mesh.RefCount++;
1058 return mesh;
1059 }
1060
1061 // try to find a identical mesh on meshs recently released
1062 lock (m_uniqueReleasedMeshes)
1063 {
1064 m_uniqueReleasedMeshes.TryGetValue(key, out mesh);
1065 if (mesh != null)
1066 {
1067 m_uniqueReleasedMeshes.Remove(key);
1068 try
1069 {
1070 m_uniqueMeshes.Add(key, mesh);
1071 }
1072 catch { }
1073 mesh.RefCount = 1;
1074 return mesh;
1075 }
1076 }
1077 }
1078 return null;
1079 }
1080
1081 private static Vector3 m_MeshUnitSize = new Vector3(1.0f, 1.0f, 1.0f);
1082
1083 public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod, bool isPhysical, bool shouldCache, bool convex, bool forOde)
1084 {
1085#if SPAM
1086 m_log.DebugFormat("[MESH]: Creating mesh for {0}", primName);
1087#endif
1088
1089 Mesh mesh = null;
1090
1091 if (size.X < 0.01f) size.X = 0.01f;
1092 if (size.Y < 0.01f) size.Y = 0.01f;
1093 if (size.Z < 0.01f) size.Z = 0.01f;
1094
1095 // try to find a identical mesh on meshs in use
1096
1097 AMeshKey key = GetMeshUniqueKey(primShape,size,(byte)lod, convex);
1098
1099 lock (m_uniqueMeshes)
1100 {
1101 m_uniqueMeshes.TryGetValue(key, out mesh);
1102
1103 if (mesh != null)
1104 {
1105 mesh.RefCount++;
1106 return mesh;
1107 }
1108
1109 // try to find a identical mesh on meshs recently released
1110 lock (m_uniqueReleasedMeshes)
1111 {
1112 m_uniqueReleasedMeshes.TryGetValue(key, out mesh);
1113 if (mesh != null)
1114 {
1115 m_uniqueReleasedMeshes.Remove(key);
1116 try
1117 {
1118 m_uniqueMeshes.Add(key, mesh);
1119 }
1120 catch { }
1121 mesh.RefCount = 1;
1122 return mesh;
1123 }
1124 }
1125 }
1126
1127 Mesh UnitMesh = null;
1128 AMeshKey unitKey = GetMeshUniqueKey(primShape, m_MeshUnitSize, (byte)lod, convex);
1129
1130 lock (m_uniqueReleasedMeshes)
1131 {
1132 m_uniqueReleasedMeshes.TryGetValue(unitKey, out UnitMesh);
1133 if (UnitMesh != null)
1134 {
1135 UnitMesh.RefCount = 1;
1136 }
1137 }
1138
1139 if (UnitMesh == null && primShape.SculptEntry && doMeshFileCache)
1140 UnitMesh = GetFromFileCache(unitKey);
1141
1142 if (UnitMesh == null)
1143 {
1144 UnitMesh = CreateMeshFromPrimMesher(primName, primShape, lod, convex);
1145
1146 if (UnitMesh == null)
1147 return null;
1148
1149 UnitMesh.DumpRaw(baseDir, unitKey.ToString(), "Z");
1150
1151 if (forOde)
1152 {
1153 // force pinned mem allocation
1154 UnitMesh.PrepForOde();
1155 }
1156 else
1157 UnitMesh.TrimExcess();
1158
1159 UnitMesh.Key = unitKey;
1160 UnitMesh.RefCount = 1;
1161
1162 if (doMeshFileCache && primShape.SculptEntry)
1163 StoreToFileCache(unitKey, UnitMesh);
1164
1165 lock (m_uniqueReleasedMeshes)
1166 {
1167 try
1168 {
1169 m_uniqueReleasedMeshes.Add(unitKey, UnitMesh);
1170 }
1171 catch { }
1172 }
1173 }
1174
1175 mesh = UnitMesh.Scale(size);
1176 mesh.Key = key;
1177 mesh.RefCount = 1;
1178 lock (m_uniqueMeshes)
1179 {
1180 try
1181 {
1182 m_uniqueMeshes.Add(key, mesh);
1183 }
1184 catch { }
1185 }
1186
1187 return mesh;
1188 }
1189
1190 public void ReleaseMesh(IMesh imesh)
1191 {
1192 if (imesh == null)
1193 return;
1194
1195 Mesh mesh = (Mesh)imesh;
1196
1197 lock (m_uniqueMeshes)
1198 {
1199 int curRefCount = mesh.RefCount;
1200 curRefCount--;
1201
1202 if (curRefCount > 0)
1203 {
1204 mesh.RefCount = curRefCount;
1205 return;
1206 }
1207
1208 mesh.RefCount = 0;
1209 m_uniqueMeshes.Remove(mesh.Key);
1210 lock (m_uniqueReleasedMeshes)
1211 {
1212 try
1213 {
1214 m_uniqueReleasedMeshes.Add(mesh.Key, mesh);
1215 }
1216 catch { }
1217 }
1218 }
1219 }
1220
1221 public void ExpireReleaseMeshs()
1222 {
1223 if (m_uniqueReleasedMeshes.Count == 0)
1224 return;
1225
1226 List<Mesh> meshstodelete = new List<Mesh>();
1227 int refcntr;
1228
1229 lock (m_uniqueReleasedMeshes)
1230 {
1231 foreach (Mesh m in m_uniqueReleasedMeshes.Values)
1232 {
1233 refcntr = m.RefCount;
1234 refcntr--;
1235 if (refcntr > -6)
1236 m.RefCount = refcntr;
1237 else
1238 meshstodelete.Add(m);
1239 }
1240
1241 foreach (Mesh m in meshstodelete)
1242 {
1243 m_uniqueReleasedMeshes.Remove(m.Key);
1244 m.releaseBuildingMeshData();
1245 m.releasePinned();
1246 }
1247 }
1248 }
1249
1250 public void FileNames(AMeshKey key, out string dir,out string fullFileName)
1251 {
1252 string id = key.ToString();
1253 string init = id.Substring(0, 1);
1254 dir = System.IO.Path.Combine(cachePath, init);
1255 fullFileName = System.IO.Path.Combine(dir, id);
1256 }
1257
1258 public string FullFileName(AMeshKey key)
1259 {
1260 string id = key.ToString();
1261 string init = id.Substring(0,1);
1262 id = System.IO.Path.Combine(init, id);
1263 id = System.IO.Path.Combine(cachePath, id);
1264 return id;
1265 }
1266
1267 private Mesh GetFromFileCache(AMeshKey key)
1268 {
1269 Mesh mesh = null;
1270 string filename = FullFileName(key);
1271 bool ok = true;
1272
1273 lock (diskLock)
1274 {
1275 if (File.Exists(filename))
1276 {
1277 FileStream stream = null;
1278 try
1279 {
1280 stream = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.Read);
1281 BinaryFormatter bformatter = new BinaryFormatter();
1282
1283 mesh = Mesh.FromStream(stream, key);
1284
1285 }
1286 catch (Exception e)
1287 {
1288 ok = false;
1289 m_log.ErrorFormat(
1290 "[MESH CACHE]: Failed to get file {0}. Exception {1} {2}",
1291 filename, e.Message, e.StackTrace);
1292 }
1293
1294 if (stream != null)
1295 stream.Close();
1296
1297 if (mesh == null || !ok)
1298 File.Delete(filename);
1299 else
1300 File.SetLastAccessTimeUtc(filename, DateTime.UtcNow);
1301 }
1302 }
1303
1304 return mesh;
1305 }
1306
1307 private void StoreToFileCache(AMeshKey key, Mesh mesh)
1308 {
1309 Stream stream = null;
1310 bool ok = false;
1311
1312 // Make sure the target cache directory exists
1313 string dir = String.Empty;
1314 string filename = String.Empty;
1315
1316 FileNames(key, out dir, out filename);
1317
1318 lock (diskLock)
1319 {
1320 try
1321 {
1322 if (!Directory.Exists(dir))
1323 {
1324 Directory.CreateDirectory(dir);
1325 }
1326
1327 stream = File.Open(filename, FileMode.Create);
1328 ok = mesh.ToStream(stream);
1329 }
1330 catch (IOException e)
1331 {
1332 m_log.ErrorFormat(
1333 "[MESH CACHE]: Failed to write file {0}. Exception {1} {2}.",
1334 filename, e.Message, e.StackTrace);
1335 ok = false;
1336 }
1337
1338 if (stream != null)
1339 stream.Close();
1340
1341 if (File.Exists(filename))
1342 {
1343 if (ok)
1344 File.SetLastAccessTimeUtc(filename, DateTime.UtcNow);
1345 else
1346 File.Delete(filename);
1347 }
1348 }
1349 }
1350
1351 public void ExpireFileCache()
1352 {
1353 if (!doCacheExpire)
1354 return;
1355
1356 string controlfile = System.IO.Path.Combine(cachePath, "cntr");
1357
1358 lock (diskLock)
1359 {
1360 try
1361 {
1362 if (File.Exists(controlfile))
1363 {
1364 int ndeleted = 0;
1365 int totalfiles = 0;
1366 int ndirs = 0;
1367 DateTime OlderTime = File.GetLastAccessTimeUtc(controlfile) - CacheExpire;
1368 File.SetLastAccessTimeUtc(controlfile, DateTime.UtcNow);
1369
1370 foreach (string dir in Directory.GetDirectories(cachePath))
1371 {
1372 try
1373 {
1374 foreach (string file in Directory.GetFiles(dir))
1375 {
1376 try
1377 {
1378 if (File.GetLastAccessTimeUtc(file) < OlderTime)
1379 {
1380 File.Delete(file);
1381 ndeleted++;
1382 }
1383 }
1384 catch { }
1385 totalfiles++;
1386 }
1387 }
1388 catch { }
1389 ndirs++;
1390 }
1391
1392 if (ndeleted == 0)
1393 m_log.InfoFormat("[MESH CACHE]: {0} Files in {1} cache folders, no expires",
1394 totalfiles,ndirs);
1395 else
1396 m_log.InfoFormat("[MESH CACHE]: {0} Files in {1} cache folders, expired {2} files accessed before {3}",
1397 totalfiles,ndirs, ndeleted, OlderTime.ToString());
1398 }
1399 else
1400 {
1401 m_log.Info("[MESH CACHE]: Expire delayed to next startup");
1402 FileStream fs = File.Create(controlfile,4096,FileOptions.WriteThrough);
1403 fs.Close();
1404 }
1405 }
1406 catch { }
1407 }
1408 }
1409 }
1410}
generated by cgit v1.1 at 2024-07-16 01:35:47 +0000