From 4197f66052dbbe121e1c31aac56330d1ae79833f Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Sat, 30 Jul 2011 02:22:05 +0100
Subject: refactor: extract code which generate points and faces from sculpt
data into it's own method.
fix build break.
---
OpenSim/Region/Physics/Meshing/Meshmerizer.cs | 460 ++++++++++++++------------
1 file changed, 240 insertions(+), 220 deletions(-)
(limited to 'OpenSim/Region/Physics/Meshing')
diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index b478a9c..9dfaaa2 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -302,123 +302,6 @@ namespace OpenSim.Region.Physics.Meshing
}
///
- /// Generate the co-ords and faces necessary to construct a mesh from the mesh data the accompanies a prim.
- ///
- ///
- ///
- ///
- /// Coords are added to this list by the method.
- /// Faces are added to this list by the method.
- /// true if coords and faces were successfully generated, false if not
- private bool GenerateCoordsAndFacesFromPrimMeshData(string primName, PrimitiveBaseShape primShape, Vector3 size, List coords, List faces)
- {
- m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName);
-
- OSD meshOsd = null;
-
- if (primShape.SculptData.Length <= 0)
- {
- m_log.Error("[MESH]: asset data is zero length");
- return false;
- }
-
- long start = 0;
- using (MemoryStream data = new MemoryStream(primShape.SculptData))
- {
- try
- {
- OSD osd = OSDParser.DeserializeLLSDBinary(data);
- if (osd is OSDMap)
- meshOsd = (OSDMap)osd;
- else
- {
- m_log.Warn("[Mesh}: unable to cast mesh asset to OSDMap");
- return false;
- }
- }
- catch (Exception e)
- {
- m_log.Error("[MESH]: Exception deserializing mesh asset header:" + e.ToString());
- }
-
- start = data.Position;
- }
-
- if (meshOsd is OSDMap)
- {
- OSDMap physicsParms = null;
- OSDMap map = (OSDMap)meshOsd;
- if (map.ContainsKey("physics_shape"))
- physicsParms = (OSDMap)map["physics_shape"]; // old asset format
- else if (map.ContainsKey("physics_mesh"))
- physicsParms = (OSDMap)map["physics_mesh"]; // new asset format
-
- if (physicsParms == null)
- {
- m_log.Warn("[MESH]: no recognized physics mesh found in mesh asset");
- return false;
- }
-
- int physOffset = physicsParms["offset"].AsInteger() + (int)start;
- int physSize = physicsParms["size"].AsInteger();
-
- if (physOffset < 0 || physSize == 0)
- return false; // no mesh data in asset
-
- OSD decodedMeshOsd = new OSD();
- byte[] meshBytes = new byte[physSize];
- System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
-// byte[] decompressed = new byte[physSize * 5];
- try
- {
- using (MemoryStream inMs = new MemoryStream(meshBytes))
- {
- using (MemoryStream outMs = new MemoryStream())
- {
- using (ZOutputStream zOut = new ZOutputStream(outMs))
- {
- byte[] readBuffer = new byte[2048];
- int readLen = 0;
- while ((readLen = inMs.Read(readBuffer, 0, readBuffer.Length)) > 0)
- {
- zOut.Write(readBuffer, 0, readLen);
- }
- zOut.Flush();
- outMs.Seek(0, SeekOrigin.Begin);
-
- byte[] decompressedBuf = outMs.GetBuffer();
-
- decodedMeshOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf);
- }
- }
- }
- }
- catch (Exception e)
- {
- m_log.Error("[MESH]: exception decoding physical mesh: " + e.ToString());
- return false;
- }
-
- OSDArray decodedMeshOsdArray = null;
-
- // physics_shape is an array of OSDMaps, one for each submesh
- if (decodedMeshOsd is OSDArray)
- {
-// Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));
-
- decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
- foreach (OSD subMeshOsd in decodedMeshOsdArray)
- {
- if (subMeshOsd is OSDMap)
- AddSubMesh(subMeshOsd as OSDMap, size, coords, faces);
- }
- }
- }
-
- return true;
- }
-
- ///
/// Create a physics mesh from data that comes with the prim. The actual data used depends on the prim type.
///
///
@@ -433,14 +316,10 @@ namespace OpenSim.Region.Physics.Meshing
// primName, (OpenMetaverse.SculptType)primShape.SculptType);
PrimMesh primMesh;
- PrimMesher.SculptMesh sculptMesh;
List coords = new List();
List faces = new List();
- Image idata = null;
- string decodedSculptFileName = "";
-
if (primShape.SculptEntry)
{
if (((OpenMetaverse.SculptType)primShape.SculptType) == SculptType.Mesh)
@@ -448,109 +327,13 @@ namespace OpenSim.Region.Physics.Meshing
if (!useMeshiesPhysicsMesh)
return null;
- if (!GeneratePointsAndFacesFromPrimMeshData(primName, primShape, size, coords, faces))
+ if (!GenerateCoordsAndFacesFromPrimMeshData(primName, primShape, size, coords, faces))
return null;
}
else
{
- if (cacheSculptMaps && primShape.SculptTexture != UUID.Zero)
- {
- decodedSculptFileName = System.IO.Path.Combine(decodedSculptMapPath, "smap_" + primShape.SculptTexture.ToString());
- try
- {
- if (File.Exists(decodedSculptFileName))
- {
- idata = Image.FromFile(decodedSculptFileName);
- }
- }
- catch (Exception e)
- {
- m_log.Error("[SCULPT]: unable to load cached sculpt map " + decodedSculptFileName + " " + e.Message);
-
- }
- //if (idata != null)
- // m_log.Debug("[SCULPT]: loaded cached map asset for map ID: " + primShape.SculptTexture.ToString());
- }
-
- if (idata == null)
- {
- if (primShape.SculptData == null || primShape.SculptData.Length == 0)
- return null;
-
- try
- {
- OpenMetaverse.Imaging.ManagedImage unusedData;
- OpenMetaverse.Imaging.OpenJPEG.DecodeToImage(primShape.SculptData, out unusedData, out idata);
-
- if (idata == null)
- {
- // In some cases it seems that the decode can return a null bitmap without throwing
- // an exception
- m_log.WarnFormat("[PHYSICS]: OpenJPEG decoded sculpt data for {0} to a null bitmap. Ignoring.", primName);
-
- return null;
- }
-
- unusedData = null;
-
- //idata = CSJ2K.J2kImage.FromBytes(primShape.SculptData);
-
- if (cacheSculptMaps)
- {
- try { idata.Save(decodedSculptFileName, ImageFormat.MemoryBmp); }
- catch (Exception e) { m_log.Error("[SCULPT]: unable to cache sculpt map " + decodedSculptFileName + " " + e.Message); }
- }
- }
- catch (DllNotFoundException)
- {
- 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!");
- return null;
- }
- catch (IndexOutOfRangeException)
- {
- m_log.Error("[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed");
- return null;
- }
- catch (Exception ex)
- {
- m_log.Error("[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed: " + ex.Message);
- return null;
- }
- }
-
- PrimMesher.SculptMesh.SculptType sculptType;
- switch ((OpenMetaverse.SculptType)primShape.SculptType)
- {
- case OpenMetaverse.SculptType.Cylinder:
- sculptType = PrimMesher.SculptMesh.SculptType.cylinder;
- break;
- case OpenMetaverse.SculptType.Plane:
- sculptType = PrimMesher.SculptMesh.SculptType.plane;
- break;
- case OpenMetaverse.SculptType.Torus:
- sculptType = PrimMesher.SculptMesh.SculptType.torus;
- break;
- case OpenMetaverse.SculptType.Sphere:
- sculptType = PrimMesher.SculptMesh.SculptType.sphere;
- break;
- default:
- sculptType = PrimMesher.SculptMesh.SculptType.plane;
- break;
- }
-
- bool mirror = ((primShape.SculptType & 128) != 0);
- bool invert = ((primShape.SculptType & 64) != 0);
-
- sculptMesh = new PrimMesher.SculptMesh((Bitmap)idata, sculptType, (int)lod, false, mirror, invert);
-
- idata.Dispose();
-
- sculptMesh.DumpRaw(baseDir, primName, "primMesh");
-
- sculptMesh.Scale(size.X, size.Y, size.Z);
-
- coords = sculptMesh.coords;
- faces = sculptMesh.faces;
+ if (!GenerateCoordsAndFacesFromPrimSculptData(primName, primShape, size, lod, coords, faces))
+ return null;
}
}
else
@@ -691,6 +474,243 @@ namespace OpenSim.Region.Physics.Meshing
return mesh;
}
+ ///
+ /// Generate the co-ords and faces necessary to construct a mesh from the mesh data the accompanies a prim.
+ ///
+ ///
+ ///
+ ///
+ /// Coords are added to this list by the method.
+ /// Faces are added to this list by the method.
+ /// true if coords and faces were successfully generated, false if not
+ private bool GenerateCoordsAndFacesFromPrimMeshData(
+ string primName, PrimitiveBaseShape primShape, Vector3 size, List coords, List faces)
+ {
+ m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName);
+
+ OSD meshOsd = null;
+
+ if (primShape.SculptData.Length <= 0)
+ {
+ m_log.Error("[MESH]: asset data is zero length");
+ return false;
+ }
+
+ long start = 0;
+ using (MemoryStream data = new MemoryStream(primShape.SculptData))
+ {
+ try
+ {
+ OSD osd = OSDParser.DeserializeLLSDBinary(data);
+ if (osd is OSDMap)
+ meshOsd = (OSDMap)osd;
+ else
+ {
+ m_log.Warn("[Mesh}: unable to cast mesh asset to OSDMap");
+ return false;
+ }
+ }
+ catch (Exception e)
+ {
+ m_log.Error("[MESH]: Exception deserializing mesh asset header:" + e.ToString());
+ }
+
+ start = data.Position;
+ }
+
+ if (meshOsd is OSDMap)
+ {
+ OSDMap physicsParms = null;
+ OSDMap map = (OSDMap)meshOsd;
+ if (map.ContainsKey("physics_shape"))
+ physicsParms = (OSDMap)map["physics_shape"]; // old asset format
+ else if (map.ContainsKey("physics_mesh"))
+ physicsParms = (OSDMap)map["physics_mesh"]; // new asset format
+
+ if (physicsParms == null)
+ {
+ m_log.Warn("[MESH]: no recognized physics mesh found in mesh asset");
+ return false;
+ }
+
+ int physOffset = physicsParms["offset"].AsInteger() + (int)start;
+ int physSize = physicsParms["size"].AsInteger();
+
+ if (physOffset < 0 || physSize == 0)
+ return false; // no mesh data in asset
+
+ OSD decodedMeshOsd = new OSD();
+ byte[] meshBytes = new byte[physSize];
+ System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
+// byte[] decompressed = new byte[physSize * 5];
+ try
+ {
+ using (MemoryStream inMs = new MemoryStream(meshBytes))
+ {
+ using (MemoryStream outMs = new MemoryStream())
+ {
+ using (ZOutputStream zOut = new ZOutputStream(outMs))
+ {
+ byte[] readBuffer = new byte[2048];
+ int readLen = 0;
+ while ((readLen = inMs.Read(readBuffer, 0, readBuffer.Length)) > 0)
+ {
+ zOut.Write(readBuffer, 0, readLen);
+ }
+ zOut.Flush();
+ outMs.Seek(0, SeekOrigin.Begin);
+
+ byte[] decompressedBuf = outMs.GetBuffer();
+
+ decodedMeshOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf);
+ }
+ }
+ }
+ }
+ catch (Exception e)
+ {
+ m_log.Error("[MESH]: exception decoding physical mesh: " + e.ToString());
+ return false;
+ }
+
+ OSDArray decodedMeshOsdArray = null;
+
+ // physics_shape is an array of OSDMaps, one for each submesh
+ if (decodedMeshOsd is OSDArray)
+ {
+// Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));
+
+ decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
+ foreach (OSD subMeshOsd in decodedMeshOsdArray)
+ {
+ if (subMeshOsd is OSDMap)
+ AddSubMesh(subMeshOsd as OSDMap, size, coords, faces);
+ }
+ }
+ }
+
+ return true;
+ }
+
+ ///
+ /// Generate the co-ords and faces necessary to construct a mesh from the sculpt data the accompanies a prim.
+ ///
+ ///
+ ///
+ ///
+ ///
+ /// Coords are added to this list by the method.
+ /// Faces are added to this list by the method.
+ /// true if coords and faces were successfully generated, false if not
+ private bool GenerateCoordsAndFacesFromPrimSculptData(
+ string primName, PrimitiveBaseShape primShape, Vector3 size, float lod, List coords, List faces)
+ {
+ PrimMesher.SculptMesh sculptMesh;
+ Image idata = null;
+ string decodedSculptFileName = "";
+
+ if (cacheSculptMaps && primShape.SculptTexture != UUID.Zero)
+ {
+ decodedSculptFileName = System.IO.Path.Combine(decodedSculptMapPath, "smap_" + primShape.SculptTexture.ToString());
+ try
+ {
+ if (File.Exists(decodedSculptFileName))
+ {
+ idata = Image.FromFile(decodedSculptFileName);
+ }
+ }
+ catch (Exception e)
+ {
+ m_log.Error("[SCULPT]: unable to load cached sculpt map " + decodedSculptFileName + " " + e.Message);
+
+ }
+ //if (idata != null)
+ // m_log.Debug("[SCULPT]: loaded cached map asset for map ID: " + primShape.SculptTexture.ToString());
+ }
+
+ if (idata == null)
+ {
+ if (primShape.SculptData == null || primShape.SculptData.Length == 0)
+ return false;
+
+ try
+ {
+ OpenMetaverse.Imaging.ManagedImage unusedData;
+ OpenMetaverse.Imaging.OpenJPEG.DecodeToImage(primShape.SculptData, out unusedData, out idata);
+
+ if (idata == null)
+ {
+ // In some cases it seems that the decode can return a null bitmap without throwing
+ // an exception
+ m_log.WarnFormat("[PHYSICS]: OpenJPEG decoded sculpt data for {0} to a null bitmap. Ignoring.", primName);
+
+ return false;
+ }
+
+ unusedData = null;
+
+ //idata = CSJ2K.J2kImage.FromBytes(primShape.SculptData);
+
+ if (cacheSculptMaps)
+ {
+ try { idata.Save(decodedSculptFileName, ImageFormat.MemoryBmp); }
+ catch (Exception e) { m_log.Error("[SCULPT]: unable to cache sculpt map " + decodedSculptFileName + " " + e.Message); }
+ }
+ }
+ catch (DllNotFoundException)
+ {
+ 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!");
+ return false;
+ }
+ catch (IndexOutOfRangeException)
+ {
+ m_log.Error("[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed");
+ return false;
+ }
+ catch (Exception ex)
+ {
+ m_log.Error("[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed: " + ex.Message);
+ return false;
+ }
+ }
+
+ PrimMesher.SculptMesh.SculptType sculptType;
+ switch ((OpenMetaverse.SculptType)primShape.SculptType)
+ {
+ case OpenMetaverse.SculptType.Cylinder:
+ sculptType = PrimMesher.SculptMesh.SculptType.cylinder;
+ break;
+ case OpenMetaverse.SculptType.Plane:
+ sculptType = PrimMesher.SculptMesh.SculptType.plane;
+ break;
+ case OpenMetaverse.SculptType.Torus:
+ sculptType = PrimMesher.SculptMesh.SculptType.torus;
+ break;
+ case OpenMetaverse.SculptType.Sphere:
+ sculptType = PrimMesher.SculptMesh.SculptType.sphere;
+ break;
+ default:
+ sculptType = PrimMesher.SculptMesh.SculptType.plane;
+ break;
+ }
+
+ bool mirror = ((primShape.SculptType & 128) != 0);
+ bool invert = ((primShape.SculptType & 64) != 0);
+
+ sculptMesh = new PrimMesher.SculptMesh((Bitmap)idata, sculptType, (int)lod, false, mirror, invert);
+
+ idata.Dispose();
+
+ sculptMesh.DumpRaw(baseDir, primName, "primMesh");
+
+ sculptMesh.Scale(size.X, size.Y, size.Z);
+
+ coords = sculptMesh.coords;
+ faces = sculptMesh.faces;
+
+ return true;
+ }
+
public IMesh CreateMesh(String primName, PrimitiveBaseShape primShape, Vector3 size, float lod)
{
return CreateMesh(primName, primShape, size, lod, false);
--
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