more work in progress on mesh physics - still non-functional

1 files changed, 67 insertions, 2 deletions

diff --git a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
index e1203ea..df44be3 100644
--- a/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
+++ b/OpenSim/Region/Physics/Meshing/Meshmerizer.cs
@@ -30,9 +30,11 @@ using System;
 using System.Collections.Generic;
 using OpenSim.Framework;
 using OpenSim.Region.Physics.Manager;
-using OpenMetaverse;
+using OpenMetaverse;

+using OpenMetaverse.StructuredData;
 using System.Drawing;
-using System.Drawing.Imaging;
+using System.Drawing.Imaging;

+using System.IO.Compression;
 using PrimMesher;
 using log4net;
 using Nini.Config;
@@ -268,6 +270,69 @@ namespace OpenSim.Region.Physics.Meshing
                 {

                     // add code for mesh physics proxy generation here

                     m_log.Debug("[MESH]: mesh proxy generation not implemented yet ");

+

+                    OSD meshOsd;

+

+                    if (primShape.SculptData.Length > 0)

+                    {

+                        

+                        

+                        m_log.Debug("[MESH]: asset data length: " + primShape.SculptData.Length.ToString());

+                        byte[] header = Util.StringToBytes256("<? LLSD/Binary ?>");

+

+                        ////dump to debugging file

+                        //string filename = System.IO.Path.Combine(decodedSculptMapPath, "mesh_" + primShape.SculptTexture.ToString());

+                        //BinaryWriter writer = new BinaryWriter(File.Open(filename, FileMode.Create));

+                        //writer.Write(primShape.SculptData);

+                        //writer.Close();

+

+                    }

+                    else

+                    {

+                        m_log.Error("[MESH]: asset data is zero length");

+                        return null;

+                    }

+

+                    try

+                    {

+                        meshOsd = OSDParser.DeserializeLLSDBinary(primShape.SculptData, true);

+                    }

+                    catch (Exception e)

+                    {

+                        m_log.Error("[MESH]: exception decoding mesh asset: " + e.ToString());

+                        return null;

+                    }

+

+                    if (meshOsd is OSDMap)

+                    {

+                        OSDMap map = (OSDMap)meshOsd;

+                        //foreach (string name in map.Keys)

+                        //    m_log.Debug("[MESH]: key:" + name + " value:" + map[name].AsString());

+                        OSDMap physicsParms = (OSDMap)map["physics_shape"];

+                        int physOffset = physicsParms["offset"].AsInteger();

+                        int physSize = physicsParms["size"].AsInteger();

+

+                        if (physOffset < 0 || physSize == 0)

+                            return null; // no mesh data in asset

+

+                        m_log.Debug("[MESH]: physOffset:" + physOffset.ToString() + " physSize:" + physSize.ToString());

+                        //MemoryStream ms = new MemoryStream(primShape.SculptData, physOffset, physSize);

+                        //GZipStream gzStream = new GZipStream(ms, CompressionMode.Decompress);

+                        

+                        //int maxSize = physSize * 5; // arbitrary guess

+                        //byte[] readBuffer = new byte[maxSize];

+

+                        //int bytesRead = gzStream.Read(readBuffer, 0, maxSize);

+

+                        //OSD physMeshOsd = OSDParser.DeserializeLLSDBinary(readBuffer);

+

+

+

+

+

+                    }

+

+                    //just bail out for now until mesh code is finished

                     return null;

 

                 }