Deserialize() public method

public Deserialize ( OpenMetaverse.StructuredData.OSD cachedMesh ) : void
cachedMesh OpenMetaverse.StructuredData.OSD
return void
Exemplo n.º 1
0
        Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, Vector3 size, float lod,
                                      ulong key)
        {
            PrimMesh   primMesh;
            SculptMesh sculptMesh;

            List <Coord> coords = new List <Coord>();
            List <Face>  faces  = new List <Face>();

            Image  idata = null;
            string decodedSculptFileName = "";

            if (primShape.SculptEntry)
            {
                if (((SculptType)primShape.SculptType & SculptType.Mesh) == SculptType.Mesh)
                {
                    if (!UseMeshesPhysicsMesh)
                    {
                        return(null);
                    }

                    MainConsole.Instance.Debug("[MESH]: experimental mesh proxy generation");

                    OSD meshOsd = null;

                    if (primShape.SculptData == null || primShape.SculptData.Length <= 0)
                    {
                        //MainConsole.Instance.Error("[MESH]: asset data is zero length");
                        return(null);
                    }

                    long start = 0;
                    using (MemoryStream data = new MemoryStream(primShape.SculptData))
                    {
                        try
                        {
                            meshOsd = OSDParser.DeserializeLLSDBinary(data);
                        }
                        catch (Exception e)
                        {
                            MainConsole.Instance.Error("[MESH]: Exception deserializing mesh asset header:" + e);
                        }
                        start = data.Position;
                    }

                    if (meshOsd is OSDMap)
                    {
                        OSDMap map          = (OSDMap)meshOsd;
                        OSDMap physicsParms = new OSDMap();

                        if (map.ContainsKey("physics_cached"))
                        {
                            OSD  cachedMeshMap = map["physics_cached"]; // cached data from Universe
                            Mesh cachedMesh    = new Mesh(key);
                            cachedMesh.Deserialize(cachedMeshMap);
                            cachedMesh.WasCached = true;
                            return(cachedMesh); //Return here, we found all of the info right here
                        }
                        if (map.ContainsKey("physics_shape"))
                        {
                            physicsParms = (OSDMap)map["physics_shape"];  // old asset format
                        }
                        if (physicsParms.Count == 0 && map.ContainsKey("physics_mesh"))
                        {
                            physicsParms = (OSDMap)map["physics_mesh"];  // new asset format
                        }
                        if (physicsParms.Count == 0 && map.ContainsKey("physics_convex"))
                        {
                            // convex hull format, which we can't read, so instead
                            // read the highest lod that exists, and use it instead
                            physicsParms = (OSDMap)map["high_lod"];
                        }

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

                        if (physOffset < 0 || physSize == 0)
                        {
                            return(null); // no mesh data in asset
                        }
                        OSD    decodedMeshOsd = new OSD();
                        byte[] meshBytes      = new byte[physSize];
                        Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
                        try
                        {
                            using (MemoryStream inMs = new MemoryStream(meshBytes))
                            {
                                using (MemoryStream outMs = new MemoryStream())
                                {
                                    using (ZOutputStream zOut = new ZOutputStream(outMs, 1))
                                    {
                                        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)
                        {
                            MainConsole.Instance.Error("[MESH]: exception decoding physical mesh: " + e);
                            return(null);
                        }

                        OSDArray decodedMeshOsdArray = null;

                        // physics_shape is an array of OSDMaps, one for each submesh
                        if (decodedMeshOsd is OSDArray)
                        {
                            decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
                            foreach (OSD subMeshOsd in decodedMeshOsdArray)
                            {
                                if (subMeshOsd is OSDMap)
                                {
                                    OSDMap subMeshMap = (OSDMap)subMeshOsd;

                                    // As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level
                                    // of Detail Blocks (maps) contain just a NoGeometry key to signal there is no
                                    // geometry for this submesh.
                                    if (subMeshMap.ContainsKey("NoGeometry") && (subMeshMap["NoGeometry"]))
                                    {
                                        continue;
                                    }

                                    Vector3 posMax = new Vector3(0.5f, 0.5f, 0.5f);
                                    Vector3 posMin = new Vector3(-0.5f, -0.5f, -0.5f);
                                    if (subMeshMap.ContainsKey("PositionDomain"))
                                    //Optional, so leave the max and min values otherwise
                                    {
                                        posMax = ((OSDMap)subMeshMap["PositionDomain"])["Max"].AsVector3();
                                        posMin = ((OSDMap)subMeshMap["PositionDomain"])["Min"].AsVector3();
                                    }
                                    ushort faceIndexOffset = (ushort)coords.Count;

                                    byte[] posBytes = subMeshMap["Position"].AsBinary();
                                    for (int i = 0; i < posBytes.Length; i += 6)
                                    {
                                        ushort uX = Utils.BytesToUInt16(posBytes, i);
                                        ushort uY = Utils.BytesToUInt16(posBytes, i + 2);
                                        ushort uZ = Utils.BytesToUInt16(posBytes, i + 4);

                                        Coord c = new Coord(
                                            Utils.UInt16ToFloat(uX, posMin.X, posMax.X) * size.X,
                                            Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y) * size.Y,
                                            Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z) * size.Z);

                                        coords.Add(c);
                                    }

                                    byte[] triangleBytes = subMeshMap["TriangleList"].AsBinary();
                                    for (int i = 0; i < triangleBytes.Length; i += 6)
                                    {
                                        ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i) + faceIndexOffset);
                                        ushort v2 =
                                            (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2) + faceIndexOffset);
                                        ushort v3 =
                                            (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4) + faceIndexOffset);
                                        Face f = new Face(v1, v2, v3);
                                        faces.Add(f);
                                    }
                                }
                            }
                        }
                    }
                }
                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)
                        {
                            MainConsole.Instance.Error("[SCULPT]: unable to load cached sculpt map " +
                                                       decodedSculptFileName + " " + e);
                        }
                        //if (idata != null)
                        //    MainConsole.Instance.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
                        {
                            idata = m_j2kDecoder.DecodeToImage(primShape.SculptData);

                            if (idata != null && cacheSculptMaps &&
                                (cacheSculptAlphaMaps || (((ImageFlags)(idata.Flags) & ImageFlags.HasAlpha) == 0)))
                            {
                                try
                                {
                                    idata.Save(decodedSculptFileName, ImageFormat.MemoryBmp);
                                }
                                catch (Exception e)
                                {
                                    MainConsole.Instance.Error("[SCULPT]: unable to cache sculpt map " +
                                                               decodedSculptFileName + " " +
                                                               e);
                                }
                            }
                        }
                        catch (DllNotFoundException)
                        {
                            MainConsole.Instance.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)
                        {
                            MainConsole.Instance.Error(
                                "[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed");
                            return(null);
                        }
                        catch (Exception ex)
                        {
                            MainConsole.Instance.Error(
                                "[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed: " +
                                ex);
                            return(null);
                        }
                    }

                    SculptMesh.SculptType sculptType;
                    switch ((SculptType)primShape.SculptType)
                    {
                    case SculptType.Cylinder:
                        sculptType = SculptMesh.SculptType.cylinder;
                        break;

                    case SculptType.Plane:
                        sculptType = SculptMesh.SculptType.plane;
                        break;

                    case SculptType.Torus:
                        sculptType = SculptMesh.SculptType.torus;
                        break;

                    case SculptType.Sphere:
                        sculptType = SculptMesh.SculptType.sphere;
                        break;

                    default:
                        sculptType = SculptMesh.SculptType.plane;
                        break;
                    }

                    bool mirror = ((primShape.SculptType & 128) != 0);
                    bool invert = ((primShape.SculptType & 64) != 0);

                    if (idata == null)
                    {
                        return(null);
                    }

                    sculptMesh = new SculptMesh((Bitmap)idata, sculptType, (int)lod, false, mirror, invert);

                    idata.Dispose();
                    idata = null;

                    sculptMesh.DumpRaw(baseDir, primName, "primMesh");

                    sculptMesh.Scale(size.X, size.Y, size.Z);

                    coords = sculptMesh.coords;
                    faces  = sculptMesh.faces;
                }
            }
            else
            {
                float pathShearX = primShape.PathShearX < 128
                                       ? primShape.PathShearX * 0.01f
                                       : (primShape.PathShearX - 256) * 0.01f;
                float pathShearY = primShape.PathShearY < 128
                                       ? primShape.PathShearY * 0.01f
                                       : (primShape.PathShearY - 256) * 0.01f;
                float pathBegin  = primShape.PathBegin * 2.0e-5f;
                float pathEnd    = 1.0f - primShape.PathEnd * 2.0e-5f;
                float pathScaleX = (primShape.PathScaleX - 100) * 0.01f;
                float pathScaleY = (primShape.PathScaleY - 100) * 0.01f;

                float profileBegin  = primShape.ProfileBegin * 2.0e-5f;
                float profileEnd    = 1.0f - primShape.ProfileEnd * 2.0e-5f;
                float profileHollow = primShape.ProfileHollow * 2.0e-5f;
                if (profileHollow > 0.95f)
                {
                    if (profileHollow > 0.99f)
                    {
                        profileHollow = 0.99f;
                    }
                    float sizeX = primShape.Scale.X - (primShape.Scale.X * profileHollow);
                    if (sizeX < 0.1f)                        //If its > 0.1, its fine to mesh at the small hollow
                    {
                        profileHollow = 0.95f + (sizeX / 2); //Scale the rest by how large the size of the prim is
                    }
                }

                int sides = 4;
                switch ((primShape.ProfileCurve & 0x07))
                {
                case (byte)ProfileShape.EquilateralTriangle:
                    sides = 3;
                    break;

                case (byte)ProfileShape.Circle:
                    sides = 24;
                    break;

                case (byte)ProfileShape.HalfCircle:
                    sides        = 24;
                    profileBegin = 0.5f * profileBegin + 0.5f;
                    profileEnd   = 0.5f * profileEnd + 0.5f;
                    break;
                }

                int hollowSides = sides;
                switch (primShape.HollowShape)
                {
                case HollowShape.Circle:
                    hollowSides = 24;
                    break;

                case HollowShape.Square:
                    hollowSides = 4;
                    break;

                case HollowShape.Triangle:
                    hollowSides = 3;
                    break;
                }

                primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);

                if (primMesh.errorMessage != null)
                {
                    if (primMesh.errorMessage.Length > 0)
                    {
                        MainConsole.Instance.Error("[ERROR] " + primMesh.errorMessage);
                    }
                }

                primMesh.topShearX    = pathShearX;
                primMesh.topShearY    = pathShearY;
                primMesh.pathCutBegin = pathBegin;
                primMesh.pathCutEnd   = pathEnd;

                if (primShape.PathCurve == (byte)Extrusion.Straight || primShape.PathCurve == (byte)Extrusion.Flexible)
                {
                    primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10;
                    primMesh.twistEnd   = primShape.PathTwist * 18 / 10;
                    primMesh.taperX     = pathScaleX;
                    primMesh.taperY     = pathScaleY;

                    if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
                    {
                        ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
                        if (profileBegin < 0.0f)
                        {
                            profileBegin = 0.0f;
                        }
                        if (profileEnd > 1.0f)
                        {
                            profileEnd = 1.0f;
                        }
                    }
#if SPAM
                    MainConsole.Instance.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
#endif
                    try
                    {
                        primMesh.Extrude(primShape.PathCurve == (byte)Extrusion.Straight
                                             ? PathType.Linear
                                             : PathType.Flexible);
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex, primName, primMesh);
                        return(null);
                    }
                }
                else
                {
                    primMesh.holeSizeX   = (200 - primShape.PathScaleX) * 0.01f;
                    primMesh.holeSizeY   = (200 - primShape.PathScaleY) * 0.01f;
                    primMesh.radius      = 0.01f * primShape.PathRadiusOffset;
                    primMesh.revolutions = 1.0f + 0.015f * primShape.PathRevolutions;
                    primMesh.skew        = 0.01f * primShape.PathSkew;
                    primMesh.twistBegin  = primShape.PathTwistBegin * 36 / 10;
                    primMesh.twistEnd    = primShape.PathTwist * 36 / 10;
                    primMesh.taperX      = primShape.PathTaperX * 0.01f;
                    primMesh.taperY      = primShape.PathTaperY * 0.01f;

                    if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
                    {
                        ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
                        if (profileBegin < 0.0f)
                        {
                            profileBegin = 0.0f;
                        }
                        if (profileEnd > 1.0f)
                        {
                            profileEnd = 1.0f;
                        }
                    }
#if SPAM
                    MainConsole.Instance.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
#endif
                    try
                    {
                        primMesh.Extrude(PathType.Circular);
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex, primName, primMesh);
                        return(null);
                    }
                }

                primMesh.DumpRaw(baseDir, primName, "primMesh");

                primMesh.Scale(size.X, size.Y, size.Z);

                coords   = primMesh.coords;
                faces    = primMesh.faces;
                primMesh = null;
            }

            Mesh mesh = new Mesh(key);

            // Add the corresponding triangles to the mesh
            mesh.Set(coords, faces);
            coords.Clear();
            faces.Clear();
            coords = null;
            faces  = null;
            return(mesh);
        }
        Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, Vector3 size, float lod,
            ulong key)
        {
            PrimMesh primMesh;
            SculptMesh sculptMesh;

            List<Coord> coords = new List<Coord>();
            List<Face> faces = new List<Face>();

            Image idata = null;
            string decodedSculptFileName = "";

            if (primShape.SculptEntry)
            {
                if (((SculptType) primShape.SculptType & SculptType.Mesh) == SculptType.Mesh)
                {
                    if (!UseMeshesPhysicsMesh)
                        return null;

                    MainConsole.Instance.Debug("[MESH]: experimental mesh proxy generation");

                    OSD meshOsd = null;

                    if (primShape.SculptData == null || primShape.SculptData.Length <= 0)
                    {
                        //MainConsole.Instance.Error("[MESH]: asset data is zero length");
                        return null;
                    }

                    long start = 0;
                    using (MemoryStream data = new MemoryStream(primShape.SculptData))
                    {
                        try
                        {
                            meshOsd = OSDParser.DeserializeLLSDBinary(data);
                        }
                        catch (Exception e)
                        {
                            MainConsole.Instance.Error("[MESH]: Exception deserializing mesh asset header:" + e);
                        }
                        start = data.Position;
                    }

                    if (meshOsd is OSDMap)
                    {
                        OSDMap map = (OSDMap) meshOsd;
                        OSDMap physicsParms = new OSDMap();

                        if (map.ContainsKey("physics_cached"))
                        {
                            OSD cachedMeshMap = map["physics_cached"]; // cached data from Universe
                            Mesh cachedMesh = new Mesh(key);
                            cachedMesh.Deserialize(cachedMeshMap);
                            cachedMesh.WasCached = true;
                            return cachedMesh; //Return here, we found all of the info right here
                        }
                        if (map.ContainsKey("physics_shape"))
                            physicsParms = (OSDMap) map["physics_shape"]; // old asset format
                        if (physicsParms.Count == 0 && map.ContainsKey("physics_mesh"))
                            physicsParms = (OSDMap) map["physics_mesh"]; // new asset format
                        if (physicsParms.Count == 0 && map.ContainsKey("physics_convex"))
                            // convex hull format, which we can't read, so instead
                            // read the highest lod that exists, and use it instead
                            physicsParms = (OSDMap) map["high_lod"];

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

                        if (physOffset < 0 || physSize == 0)
                            return null; // no mesh data in asset

                        OSD decodedMeshOsd = new OSD();
                        byte[] meshBytes = new byte[physSize];
                        Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
                        try
                        {
                            using (MemoryStream inMs = new MemoryStream(meshBytes))
                            {
                                using (MemoryStream outMs = new MemoryStream())
                                {
                                    using (ZOutputStream zOut = new ZOutputStream(outMs,1))
                                    {
                                        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)
                        {
                            MainConsole.Instance.Error("[MESH]: exception decoding physical mesh: " + e);
                            return null;
                        }

                        OSDArray decodedMeshOsdArray = null;

                        // physics_shape is an array of OSDMaps, one for each submesh
                        if (decodedMeshOsd is OSDArray)
                        {
                            decodedMeshOsdArray = (OSDArray) decodedMeshOsd;
                            foreach (OSD subMeshOsd in decodedMeshOsdArray)
                            {
                                if (subMeshOsd is OSDMap)
                                {
                                    OSDMap subMeshMap = (OSDMap) subMeshOsd;

                                    // As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level
                                    // of Detail Blocks (maps) contain just a NoGeometry key to signal there is no
                                    // geometry for this submesh.
                                    if (subMeshMap.ContainsKey("NoGeometry") && (subMeshMap["NoGeometry"]))
                                        continue;

                                    Vector3 posMax = new Vector3(0.5f, 0.5f, 0.5f);
                                    Vector3 posMin = new Vector3(-0.5f, -0.5f, -0.5f);
                                    if (subMeshMap.ContainsKey("PositionDomain"))
                                        //Optional, so leave the max and min values otherwise
                                    {
                                        posMax = ((OSDMap) subMeshMap["PositionDomain"])["Max"].AsVector3();
                                        posMin = ((OSDMap) subMeshMap["PositionDomain"])["Min"].AsVector3();
                                    }
                                    ushort faceIndexOffset = (ushort) coords.Count;

                                    byte[] posBytes = subMeshMap["Position"].AsBinary();
                                    for (int i = 0; i < posBytes.Length; i += 6)
                                    {
                                        ushort uX = Utils.BytesToUInt16(posBytes, i);
                                        ushort uY = Utils.BytesToUInt16(posBytes, i + 2);
                                        ushort uZ = Utils.BytesToUInt16(posBytes, i + 4);

                                        Coord c = new Coord(
                                            Utils.UInt16ToFloat(uX, posMin.X, posMax.X)*size.X,
                                            Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y)*size.Y,
                                            Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z)*size.Z);

                                        coords.Add(c);
                                    }

                                    byte[] triangleBytes = subMeshMap["TriangleList"].AsBinary();
                                    for (int i = 0; i < triangleBytes.Length; i += 6)
                                    {
                                        ushort v1 = (ushort) (Utils.BytesToUInt16(triangleBytes, i) + faceIndexOffset);
                                        ushort v2 =
                                            (ushort) (Utils.BytesToUInt16(triangleBytes, i + 2) + faceIndexOffset);
                                        ushort v3 =
                                            (ushort) (Utils.BytesToUInt16(triangleBytes, i + 4) + faceIndexOffset);
                                        Face f = new Face(v1, v2, v3);
                                        faces.Add(f);
                                    }
                                }
                            }
                        }
                    }
                }
                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)
                        {
                            MainConsole.Instance.Error("[SCULPT]: unable to load cached sculpt map " +
                                                       decodedSculptFileName + " " + e);
                        }
                        //if (idata != null)
                        //    MainConsole.Instance.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
                        {
                            idata = m_j2kDecoder.DecodeToImage(primShape.SculptData);

                            if (idata != null && cacheSculptMaps &&
                                (cacheSculptAlphaMaps || (((ImageFlags) (idata.Flags) & ImageFlags.HasAlpha) == 0)))
                            {
                                try
                                {
                                    idata.Save(decodedSculptFileName, ImageFormat.MemoryBmp);
                                }
                                catch (Exception e)
                                {
                                    MainConsole.Instance.Error("[SCULPT]: unable to cache sculpt map " +
                                                               decodedSculptFileName + " " +
                                                               e);
                                }
                            }
                        }
                        catch (DllNotFoundException)
                        {
                            MainConsole.Instance.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)
                        {
                            MainConsole.Instance.Error(
                                "[PHYSICS]: OpenJpeg was unable to decode this. Physics Proxy generation failed");
                            return null;
                        }
                        catch (Exception ex)
                        {
                            MainConsole.Instance.Error(
                                "[PHYSICS]: Unable to generate a Sculpty physics proxy. Sculpty texture decode failed: " +
                                ex);
                            return null;
                        }
                    }

                    SculptMesh.SculptType sculptType;
                    switch ((SculptType) primShape.SculptType)
                    {
                        case SculptType.Cylinder:
                            sculptType = SculptMesh.SculptType.cylinder;
                            break;
                        case SculptType.Plane:
                            sculptType = SculptMesh.SculptType.plane;
                            break;
                        case SculptType.Torus:
                            sculptType = SculptMesh.SculptType.torus;
                            break;
                        case SculptType.Sphere:
                            sculptType = SculptMesh.SculptType.sphere;
                            break;
                        default:
                            sculptType = SculptMesh.SculptType.plane;
                            break;
                    }

                    bool mirror = ((primShape.SculptType & 128) != 0);
                    bool invert = ((primShape.SculptType & 64) != 0);

                    if (idata == null)
                        return null;

                    sculptMesh = new SculptMesh((Bitmap) idata, sculptType, (int) lod, false, mirror, invert);

                    idata.Dispose();
                    idata = null;

                    sculptMesh.DumpRaw(baseDir, primName, "primMesh");

                    sculptMesh.Scale(size.X, size.Y, size.Z);

                    coords = sculptMesh.coords;
                    faces = sculptMesh.faces;
                }
            }
            else
            {
                float pathShearX = primShape.PathShearX < 128
                                       ? primShape.PathShearX*0.01f
                                       : (primShape.PathShearX - 256)*0.01f;
                float pathShearY = primShape.PathShearY < 128
                                       ? primShape.PathShearY*0.01f
                                       : (primShape.PathShearY - 256)*0.01f;
                float pathBegin = primShape.PathBegin*2.0e-5f;
                float pathEnd = 1.0f - primShape.PathEnd*2.0e-5f;
                float pathScaleX = (primShape.PathScaleX - 100)*0.01f;
                float pathScaleY = (primShape.PathScaleY - 100)*0.01f;

                float profileBegin = primShape.ProfileBegin*2.0e-5f;
                float profileEnd = 1.0f - primShape.ProfileEnd*2.0e-5f;
                float profileHollow = primShape.ProfileHollow*2.0e-5f;
                if (profileHollow > 0.95f)
                {
                    if (profileHollow > 0.99f)
                        profileHollow = 0.99f;
                    float sizeX = primShape.Scale.X - (primShape.Scale.X*profileHollow);
                    if (sizeX < 0.1f) //If its > 0.1, its fine to mesh at the small hollow
                        profileHollow = 0.95f + (sizeX/2); //Scale the rest by how large the size of the prim is
                }

                int sides = 4;
                switch ((primShape.ProfileCurve & 0x07))
                {
                    case (byte) ProfileShape.EquilateralTriangle:
                        sides = 3;
                        break;
                    case (byte) ProfileShape.Circle:
                        sides = 24;
                        break;
                    case (byte) ProfileShape.HalfCircle:
                        sides = 24;
                        profileBegin = 0.5f*profileBegin + 0.5f;
                        profileEnd = 0.5f*profileEnd + 0.5f;
                        break;
                }

                int hollowSides = sides;
                switch (primShape.HollowShape)
                {
                    case HollowShape.Circle:
                        hollowSides = 24;
                        break;
                    case HollowShape.Square:
                        hollowSides = 4;
                        break;
                    case HollowShape.Triangle:
                        hollowSides = 3;
                        break;
                }

                primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);

                if (primMesh.errorMessage != null)
                    if (primMesh.errorMessage.Length > 0)
                        MainConsole.Instance.Error("[ERROR] " + primMesh.errorMessage);

                primMesh.topShearX = pathShearX;
                primMesh.topShearY = pathShearY;
                primMesh.pathCutBegin = pathBegin;
                primMesh.pathCutEnd = pathEnd;

                if (primShape.PathCurve == (byte) Extrusion.Straight || primShape.PathCurve == (byte) Extrusion.Flexible)
                {
                    primMesh.twistBegin = primShape.PathTwistBegin*18/10;
                    primMesh.twistEnd = primShape.PathTwist*18/10;
                    primMesh.taperX = pathScaleX;
                    primMesh.taperY = pathScaleY;

                    if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
                    {
                        ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
                        if (profileBegin < 0.0f) profileBegin = 0.0f;
                        if (profileEnd > 1.0f) profileEnd = 1.0f;
                    }
            #if SPAM
                MainConsole.Instance.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
            #endif
                    try
                    {
                        primMesh.Extrude(primShape.PathCurve == (byte) Extrusion.Straight
                                             ? PathType.Linear
                                             : PathType.Flexible);
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex, primName, primMesh);
                        return null;
                    }
                }
                else
                {
                    primMesh.holeSizeX = (200 - primShape.PathScaleX)*0.01f;
                    primMesh.holeSizeY = (200 - primShape.PathScaleY)*0.01f;
                    primMesh.radius = 0.01f*primShape.PathRadiusOffset;
                    primMesh.revolutions = 1.0f + 0.015f*primShape.PathRevolutions;
                    primMesh.skew = 0.01f*primShape.PathSkew;
                    primMesh.twistBegin = primShape.PathTwistBegin*36/10;
                    primMesh.twistEnd = primShape.PathTwist*36/10;
                    primMesh.taperX = primShape.PathTaperX*0.01f;
                    primMesh.taperY = primShape.PathTaperY*0.01f;

                    if (profileBegin < 0.0f || profileBegin >= profileEnd || profileEnd > 1.0f)
                    {
                        ReportPrimError("*** CORRUPT PRIM!! ***", primName, primMesh);
                        if (profileBegin < 0.0f) profileBegin = 0.0f;
                        if (profileEnd > 1.0f) profileEnd = 1.0f;
                    }
            #if SPAM
                MainConsole.Instance.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
            #endif
                    try
                    {
                        primMesh.Extrude(PathType.Circular);
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex, primName, primMesh);
                        return null;
                    }
                }

                primMesh.DumpRaw(baseDir, primName, "primMesh");

                primMesh.Scale(size.X, size.Y, size.Z);

                coords = primMesh.coords;
                faces = primMesh.faces;
                primMesh = null;
            }

            Mesh mesh = new Mesh(key);

            // Add the corresponding triangles to the mesh
            mesh.Set(coords, faces);
            coords.Clear();
            faces.Clear();
            coords = null;
            faces = null;
            return mesh;
        }