Пример #1
0
        /// <summary>
        /// Generate the co-ords and faces necessary to construct a mesh from the shape data the accompanies a prim.
        /// </summary>
        /// <param name="primName"></param>
        /// <param name="primShape"></param>
        /// <param name="size"></param>
        /// <param name="coords">Coords are added to this list by the method.</param>
        /// <param name="faces">Faces are added to this list by the method.</param>
        /// <returns>true if coords and faces were successfully generated, false if not</returns>
        private bool GenerateCoordsAndFacesFromPrimShapeData(
            string primName, PrimitiveBaseShape primShape, Vector3 size, out List<Coord> coords, out List<Face> faces)
        {
            PrimMesh primMesh;
            coords = new List<Coord>();
            faces = new List<Face>();            

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

            float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
            float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
            float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
            if (profileHollow > 0.95f)
                profileHollow = 0.95f;

            int sides = 4;
            if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
                sides = 3;
            else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
                sides = 24;
            else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
            { // half circle, prim is a sphere
                sides = 24;

                profileBegin = 0.5f * profileBegin + 0.5f;
                profileEnd = 0.5f * profileEnd + 0.5f;
            }

            int hollowSides = sides;
            if (primShape.HollowShape == HollowShape.Circle)
                hollowSides = 24;
            else if (primShape.HollowShape == HollowShape.Square)
                hollowSides = 4;
            else if (primShape.HollowShape == HollowShape.Triangle)
                hollowSides = 3;

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

            if (primMesh.errorMessage != null)
                if (primMesh.errorMessage.Length > 0)
                    m_log.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
            m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
#endif
                try
                {
                    primMesh.ExtrudeLinear();
                }
                catch (Exception ex)
                {
                    ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                    return false;
                }
            }
            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
            m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
#endif
                try
                {
                    primMesh.ExtrudeCircular();
                }
                catch (Exception ex)
                {
                    ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                    return false;
                }
            }

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

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

            coords = primMesh.coords;
            faces = primMesh.faces;

            return true;
        }
Пример #2
0
        /// <summary>
        /// Generate the co-ords and faces necessary to construct a mesh from the shape data the accompanies a prim.
        /// </summary>
        /// <param name="primName"></param>
        /// <param name="primShape"></param>
        /// <param name="size"></param>
        /// <param name="coords">Coords are added to this list by the method.</param>
        /// <param name="faces">Faces are added to this list by the method.</param>
        /// <returns>true if coords and faces were successfully generated, false if not</returns>
        private bool GenerateCoordsAndFacesFromPrimShapeData(
            string primName, PrimitiveBaseShape primShape, float lod, out List<Coord> coords, out List<Face> faces)
        {
            PrimMesh primMesh;
            coords = new List<Coord>();
            faces = new List<Face>();            

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

            float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
            float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;

            if (profileBegin < 0.0f)
                profileBegin = 0.0f;

            if (profileEnd < 0.02f)
                profileEnd = 0.02f;
            else if (profileEnd > 1.0f)
                profileEnd = 1.0f;

            if (profileBegin >= profileEnd)
                profileBegin = profileEnd - 0.02f;

            float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
            if (profileHollow > 0.95f)
                profileHollow = 0.95f;
          
            int sides = 4;
            LevelOfDetail iLOD = (LevelOfDetail)lod;
            byte profshape = (byte)(primShape.ProfileCurve & 0x07);

            if (profshape == (byte)ProfileShape.EquilateralTriangle
                || profshape == (byte)ProfileShape.IsometricTriangle
                || profshape == (byte)ProfileShape.RightTriangle)
                sides = 3;
            else if (profshape == (byte)ProfileShape.Circle)
            {
                switch (iLOD)
                {
                    case LevelOfDetail.High:    sides = 24;     break;
                    case LevelOfDetail.Medium:  sides = 12;     break;
                    case LevelOfDetail.Low:     sides = 6;      break;
                    case LevelOfDetail.VeryLow: sides = 3;      break;
                    default:                    sides = 24;     break;
                }
            }
            else if (profshape == (byte)ProfileShape.HalfCircle)
            { // half circle, prim is a sphere
                switch (iLOD)
                {
                    case LevelOfDetail.High:    sides = 24;     break;
                    case LevelOfDetail.Medium:  sides = 12;     break;
                    case LevelOfDetail.Low:     sides = 6;      break;
                    case LevelOfDetail.VeryLow: sides = 3;      break;
                    default:                    sides = 24;     break;
                }

                profileBegin = 0.5f * profileBegin + 0.5f;
                profileEnd = 0.5f * profileEnd + 0.5f;
            }

            int hollowSides = sides;
            if (primShape.HollowShape == HollowShape.Circle)
            {
                switch (iLOD)
                {
                    case LevelOfDetail.High:    hollowSides = 24;     break;
                    case LevelOfDetail.Medium:  hollowSides = 12;     break;
                    case LevelOfDetail.Low:     hollowSides = 6;      break;
                    case LevelOfDetail.VeryLow: hollowSides = 3;      break;
                    default:                    hollowSides = 24;     break;
                }
            }
            else if (primShape.HollowShape == HollowShape.Square)
                hollowSides = 4;
            else if (primShape.HollowShape == HollowShape.Triangle)
            {
                if (profshape == (byte)ProfileShape.HalfCircle)
                    hollowSides = 6;
                else
                    hollowSides = 3;
            }

            primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);
            
            if (primMesh.errorMessage != null)
                if (primMesh.errorMessage.Length > 0)
                    m_log.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 SPAM
            m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
#endif
                try
                {
                    primMesh.ExtrudeLinear();
                }
                catch (Exception ex)
                {
                    ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                    return false;
                }
            }
            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(profshape == (byte)ProfileShape.HalfCircle)
                {
                    if(primMesh.holeSizeY < 0.01f)
                        primMesh.holeSizeY = 0.01f;
                    else if(primMesh.holeSizeY > 1.0f)
                        primMesh.holeSizeY = 1.0f;
                }

#if SPAM
            m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
#endif
                try
                {
                    primMesh.ExtrudeCircular();
                }
                catch (Exception ex)
                {
                    ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                    return false;
                }
            }

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

            coords = primMesh.coords;
            faces = primMesh.faces;

            return true;
        }
Пример #3
0
        private Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, Vector3 size, float lod)
        {
//            m_log.DebugFormat(
//                "[MESH]: Creating physics proxy for {0}, shape {1}",
//                primName, (OpenMetaverse.SculptType)primShape.SculptType);

            PrimMesh primMesh;
            PrimMesher.SculptMesh sculptMesh;

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

            Image idata = null;
            string decodedSculptFileName = "";

            if (primShape.SculptEntry)
            {
                if (((OpenMetaverse.SculptType)primShape.SculptType) == SculptType.Mesh)
                {
                    if (!useMeshiesPhysicsMesh)
                        return null;

                    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 null;
                    }

                    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 null;
                            }
                        }
                        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 null;
                        }

                        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];
                        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 null;
                        }

                        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);
                            }
                        }
                    }
                }
                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);
                            unusedData = null;

                            //idata = CSJ2K.J2kImage.FromBytes(primShape.SculptData);

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

                float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
                float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
                float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
                if (profileHollow > 0.95f)
                    profileHollow = 0.95f;

                int sides = 4;
                if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
                    sides = 3;
                else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
                    sides = 24;
                else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
                { // half circle, prim is a sphere
                    sides = 24;

                    profileBegin = 0.5f * profileBegin + 0.5f;
                    profileEnd = 0.5f * profileEnd + 0.5f;
                }

                int hollowSides = sides;
                if (primShape.HollowShape == HollowShape.Circle)
                    hollowSides = 24;
                else if (primShape.HollowShape == HollowShape.Square)
                    hollowSides = 4;
                else if (primShape.HollowShape == HollowShape.Triangle)
                    hollowSides = 3;

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

                if (primMesh.errorMessage != null)
                    if (primMesh.errorMessage.Length > 0)
                        m_log.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
                m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
#endif
                    try
                    {
                        primMesh.ExtrudeLinear();
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex.ToString(), 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
                m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
#endif
                    try
                    {
                        primMesh.ExtrudeCircular();
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                        return null;
                    }
                }

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

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

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

            // Remove the reference to any JPEG2000 sculpt data so it can be GCed
            primShape.SculptData = Utils.EmptyBytes;

            int numCoords = coords.Count;
            int numFaces = faces.Count;

            // Create the list of vertices
            List<Vertex> vertices = new List<Vertex>();
            for (int i = 0; i < numCoords; i++)
            {
                Coord c = coords[i];
                vertices.Add(new Vertex(c.X, c.Y, c.Z));
            }

            Mesh mesh = new Mesh();
            // Add the corresponding triangles to the mesh
            for (int i = 0; i < numFaces; i++)
            {
                Face f = faces[i];
                mesh.Add(new Triangle(vertices[f.v1], vertices[f.v2], vertices[f.v3]));
            }

            return mesh;
        }
Пример #4
0
        private bool GeneratePrimTrimesh(string primName, PrimitiveBaseShape primShape, ref OpenMetaverse.Vector3 size, float lod, bool preScale, 
            out List<Coord> coords, out List<Face> faces)
        {
            PrimMesh primMesh;

            float pathShearX = Primitive.UnpackPathShear((sbyte)primShape.PathShearX);
            float pathShearY = Primitive.UnpackPathShear((sbyte)primShape.PathShearY);
            float pathBegin = (float)primShape.PathBegin * 2.0e-5f;
            float pathEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f;
            float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f;
            float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f;

            float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
            float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
            float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
            if (profileHollow > 0.95f)
                profileHollow = 0.95f;

            int sides = 4;
            LevelOfDetail iLOD = (LevelOfDetail)lod;
            if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
                sides = 3;
            else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
            {
                switch (iLOD)
                {
                    case LevelOfDetail.High: sides = 24; break;
                    case LevelOfDetail.Medium: sides = 12; break;
                    case LevelOfDetail.Low: sides = 6; break;
                    case LevelOfDetail.VeryLow: sides = 3; break;
                    default: sides = 24; break;
                }
            }
            else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
            { // half circle, prim is a sphere
                switch (iLOD)
                {
                    case LevelOfDetail.High: sides = 24; break;
                    case LevelOfDetail.Medium: sides = 12; break;
                    case LevelOfDetail.Low: sides = 6; break;
                    case LevelOfDetail.VeryLow: sides = 3; break;
                    default: sides = 24; break;
                }

                profileBegin = 0.5f * profileBegin + 0.5f;
                profileEnd = 0.5f * profileEnd + 0.5f;
            }

            int hollowSides = sides;
            if (primShape.HollowShape == HollowShape.Circle)
            {
                switch (iLOD)
                {
                    case LevelOfDetail.High: hollowSides = 24; break;
                    case LevelOfDetail.Medium: hollowSides = 12; break;
                    case LevelOfDetail.Low: hollowSides = 6; break;
                    case LevelOfDetail.VeryLow: hollowSides = 3; break;
                    default: hollowSides = 24; break;
                }
            }
            else if (primShape.HollowShape == HollowShape.Square)
                hollowSides = 4;
            else if (primShape.HollowShape == HollowShape.Triangle)
                hollowSides = 3;

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

            if (primMesh.errorMessage != null)
                if (primMesh.errorMessage.Length > 0)
                    m_log.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;
                }

                //m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());

                try
                {
                    primMesh.ExtrudeLinear();
                }
                catch (Exception ex)
                {
                    ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                    coords = null;
                    faces = null;
                    return false;
                }
            }
            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;
                }

                //m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());

                try
                {
                    primMesh.ExtrudeCircular();
                }
                catch (Exception ex)
                {
                    ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                    coords = null;
                    faces = null;
                    return false;
                }
            }

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

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

            coords = primMesh.coords;
            faces = primMesh.faces;

            return true;
        }
Пример #5
0
        public Mesh CreateMeshFromPrimMesher(string primName, PrimitiveBaseShape primShape, PhysicsVector size, float lod)
        {
            Mesh mesh = new Mesh();
            PrimMesh primMesh;
            PrimMesher.SculptMesh sculptMesh;

            List<Coord> coords;
            List<Face> faces;

            Image idata = null;
            string decodedSculptFileName = "";

            if (primShape.SculptEntry)
            {
                if (cacheSculptMaps && primShape.SculptTexture != UUID.Zero)
                {
                    decodedSculptFileName = System.IO.Path.Combine(decodedScultMapPath, "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.Length == 0)
                        return null;

                    try
                    {
                        ManagedImage managedImage;  // we never use this
                        OpenJPEG.DecodeToImage(primShape.SculptData, out managedImage, out idata);

                        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)
                    {
                        m_log.Error("[PHYSICS]: Unable to generate a Sculpty physics proxy.  Sculpty texture decode failed!");
                        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;
            }

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

                float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
                float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
                float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;
                if (profileHollow > 0.95f)
                    profileHollow = 0.95f;

                int sides = 4;
                if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.EquilateralTriangle)
                    sides = 3;
                else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.Circle)
                    sides = 24;
                else if ((primShape.ProfileCurve & 0x07) == (byte)ProfileShape.HalfCircle)
                { // half circle, prim is a sphere
                    sides = 24;

                    profileBegin = 0.5f * profileBegin + 0.5f;
                    profileEnd = 0.5f * profileEnd + 0.5f;

                }

                int hollowSides = sides;
                if (primShape.HollowShape == HollowShape.Circle)
                    hollowSides = 24;
                else if (primShape.HollowShape == HollowShape.Square)
                    hollowSides = 4;
                else if (primShape.HollowShape == HollowShape.Triangle)
                    hollowSides = 3;

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

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

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

                if (primShape.PathCurve == (byte)Extrusion.Straight)
                {
                    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
                m_log.Debug("****** PrimMesh Parameters (Linear) ******\n" + primMesh.ParamsToDisplayString());
#endif
                    try
                    {
                        primMesh.ExtrudeLinear();
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex.ToString(), 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
                m_log.Debug("****** PrimMesh Parameters (Circular) ******\n" + primMesh.ParamsToDisplayString());
#endif
                    try
                    {
                        primMesh.ExtrudeCircular();
                    }
                    catch (Exception ex)
                    {
                        ReportPrimError("Extrusion failure: exception: " + ex.ToString(), primName, primMesh);
                        return null;
                    }
                }

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

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

                coords = primMesh.coords;
                faces = primMesh.faces;

                mesh.primMesh = primMesh;

            }


            int numCoords = coords.Count;
            int numFaces = faces.Count;

            for (int i = 0; i < numCoords; i++)
            {
                Coord c = coords[i];
                mesh.vertices.Add(new Vertex(c.X, c.Y, c.Z));
            }

            List<Vertex> vertices = mesh.vertices;
            for (int i = 0; i < numFaces; i++)
            {
                Face f = faces[i];
                mesh.triangles.Add(new Triangle(vertices[f.v1], vertices[f.v2], vertices[f.v3]));
            }

            return mesh;
        }
Пример #6
0
        public static Mesh PrimitiveToIrrMesh(Primitive prim, LevelOfDetail detail)
        {
            Primitive.ConstructionData primData = prim.PrimData;
            int sides = 4;
            int hollowsides = 4;

            float profileBegin = primData.ProfileBegin;
            float profileEnd = primData.ProfileEnd;
            bool isSphere = false;

            if ((ProfileCurve)(primData.profileCurve & 0x07) == ProfileCurve.Circle)
            {
                switch (detail)
                {
                    case LevelOfDetail.Low:
                        sides = 6;
                        break;
                    case LevelOfDetail.Medium:
                        sides = 12;
                        break;
                    default:
                        sides = 24;
                        break;
                }
            }
            else if ((ProfileCurve)(primData.profileCurve & 0x07) == ProfileCurve.EqualTriangle)
            {
                sides = 3;
            }
            // half circle, prim is a sphere
            else if ((ProfileCurve)(primData.profileCurve & 0x07) == ProfileCurve.HalfCircle)
            {
                isSphere = true;
                switch (detail)
                {
                    case LevelOfDetail.Low:
                        sides = 6;
                        break;
                    case LevelOfDetail.Medium:
                        sides = 12;
                        break;
                    default:
                        sides = 24;
                        break;
                }
                profileBegin = 0.5f * profileBegin + 0.5f;
                profileEnd = 0.5f * profileEnd + 0.5f;
            }

            if ((HoleType)primData.ProfileHole == HoleType.Same)
            {
                hollowsides = sides;
            }
            else if ((HoleType)primData.ProfileHole == HoleType.Circle)
            {
                switch (detail)
                {
                    case LevelOfDetail.Low:
                        hollowsides = 6;
                        break;
                    case LevelOfDetail.Medium:
                        hollowsides = 12;
                        break;
                    default:
                        hollowsides = 24;
                        break;
                }

            }
            else if ((HoleType)primData.ProfileHole == HoleType.Triangle)
                hollowsides = 3;

            PrimMesh newPrim = new PrimMesh(sides, profileBegin, profileEnd, (float)primData.ProfileHollow, hollowsides);
            newPrim.viewerMode = true;
            newPrim.holeSizeX = primData.PathScaleX;
            newPrim.holeSizeY = primData.PathScaleY;
            newPrim.pathCutBegin = primData.PathBegin;
            newPrim.pathCutEnd = primData.PathEnd;
            newPrim.topShearX = primData.PathShearX;
            newPrim.topShearY = primData.PathShearY;
            newPrim.radius = primData.PathRadiusOffset;
            newPrim.revolutions = primData.PathRevolutions;
            newPrim.skew = primData.PathSkew;

            switch (detail)
            {
                case LevelOfDetail.Low:
                    newPrim.stepsPerRevolution = 6;
                    break;
                case LevelOfDetail.Medium:
                    newPrim.stepsPerRevolution = 12;
                    break;
                default:
                    newPrim.stepsPerRevolution = 24;
                    break;
            }

            if (primData.PathCurve == PathCurve.Line)
            {
                newPrim.taperX = 1.0f - primData.PathScaleX;
                newPrim.taperY = 1.0f - primData.PathScaleY;
                newPrim.twistBegin = (int)(180 * primData.PathTwistBegin);
                newPrim.twistEnd = (int)(180 * primData.PathTwist);
                newPrim.ExtrudeLinear();
            }
            else if (primData.PathCurve == PathCurve.Flexible)
            {
                newPrim.taperX = 1.0f - primData.PathScaleX;
                newPrim.taperY = 1.0f - primData.PathScaleY;
                newPrim.twistBegin = (int)(180 * primData.PathTwistBegin);
                newPrim.twistEnd = (int)(180 * primData.PathTwist);
                newPrim.ExtrudeLinear();
            }
            else
            {
                newPrim.taperX = primData.PathTaperX;
                newPrim.taperY = primData.PathTaperY;
                newPrim.twistBegin = (int)(360 * primData.PathTwistBegin);
                newPrim.twistEnd = (int)(360 * primData.PathTwist);
                newPrim.ExtrudeCircular();
            }

            int numViewerFaces = newPrim.viewerFaces.Count;

            for (uint i = 0; i < numViewerFaces; i++)
            {
                ViewerFace vf = newPrim.viewerFaces[(int)i];

                if (isSphere)
                {
                    vf.uv1.U = (vf.uv1.U - 0.5f) * 2.0f;
                    vf.uv2.U = (vf.uv2.U - 0.5f) * 2.0f;
                    vf.uv3.U = (vf.uv3.U - 0.5f) * 2.0f;
                }
            }

            return FacesToIrrMesh(newPrim.viewerFaces, newPrim.numPrimFaces);
        }
Пример #7
0
        private MeshData[] GetMeshsDataFromPrim(Primitive prim, DetailLevel lod)
        {
            PrimitiveBaseShape primShape = new PrimitiveBaseShape(prim);

            float profileBegin = (float)primShape.ProfileBegin * 2.0e-5f;
            float profileEnd = 1.0f - (float)primShape.ProfileEnd * 2.0e-5f;
            float profileHollow = (float)primShape.ProfileHollow * 2.0e-5f;

            int sides = 4;
            if ((prim.PrimData.profileCurve & 0x07) == (byte)ProfileCurve.EqualTriangle)
                sides = 3;
            else if ((prim.PrimData.profileCurve & 0x07) == (byte)ProfileCurve.Circle)
                sides = 24;
            else if ((prim.PrimData.profileCurve & 0x07) == (byte)ProfileCurve.HalfCircle)
            {
                // half circle, prim is a sphere
                sides = 24;

                profileBegin = 0.5f * profileBegin + 0.5f;
                profileEnd = 0.5f * profileEnd + 0.5f;
            }

            int hollowSides = sides;
            if (prim.PrimData.ProfileHole == HoleType.Circle)
                hollowSides = 24;
            else if (prim.PrimData.ProfileHole == HoleType.Square)
                hollowSides = 4;
            else if (prim.PrimData.ProfileHole == HoleType.Triangle)
                hollowSides = 3;

            PrimMesh primMesh = new PrimMesh(sides, profileBegin, profileEnd, profileHollow, hollowSides);
            primMesh.viewerMode = true;
            primMesh.calcVertexNormals = true;
            primMesh.topShearX = primShape.PathShearX < 128 ? (float)primShape.PathShearX * 0.01f : (float)(primShape.PathShearX - 256) * 0.01f;
            primMesh.topShearY = primShape.PathShearY < 128 ? (float)primShape.PathShearY * 0.01f : (float)(primShape.PathShearY - 256) * 0.01f;
            primMesh.pathCutBegin = (float)primShape.PathBegin * 2.0e-5f;
            primMesh.pathCutEnd = 1.0f - (float)primShape.PathEnd * 2.0e-5f;
            switch (lod)
            {
                case DetailLevel.Highest:
                case DetailLevel.High:
                    primMesh.stepsPerRevolution = 24;
                    break;

                case DetailLevel.Medium:
                    primMesh.stepsPerRevolution = 12;
                    break;

                case DetailLevel.Low:
                    primMesh.stepsPerRevolution = 6;
                    break;
            }

            float pathScaleX = (float)(primShape.PathScaleX - 100) * 0.01f;
            float pathScaleY = (float)(primShape.PathScaleY - 100) * 0.01f;
            if (prim.PrimData.PathCurve == OpenMetaverse.PathCurve.Line)
            {
                primMesh.twistBegin = primShape.PathTwistBegin * 18 / 10;
                primMesh.twistEnd = primShape.PathTwist * 18 / 10;
                primMesh.taperX = pathScaleX;
                primMesh.taperY = pathScaleY;

                try
                {
                    primMesh.ExtrudeLinear();
                }
                catch { 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;

                try
                {
                    primMesh.ExtrudeCircular();
                }
                catch { return null; }
            }

            return GetMeshsDataFromPrimFaces(prim, primMesh.viewerFaces.ToArray());
        }