Write() public method

public Write ( System b1, int off, int len ) : void
b1 System
off int
len int
return void
Esempio n. 1
0
 public static byte[] Compress(byte[] inputBytes)
 {
     using (MemoryStream stream = new MemoryStream())
     {
         using (ZOutputStream stream2 = new ZOutputStream(stream, 0))
         {
             stream2.Write(inputBytes, 0, inputBytes.Length);
             stream2.finish();
             return stream.ToArray();
         }
     }
 }
Esempio n. 2
0
        private bool ReplaceContentHelperFunc(byte[] content, FileStream datFileStream)
        {
            // Store the old offsets just in case we need to perform a restore.
            // This actually isn't necessary currently, since the raf directory file is saved after packing.
            UInt32 oldOffset = FileOffset;
            UInt32 oldSize   = FileSize;

            try
            {
                // Navigate to the end of it
                datFileStream.Seek(0, SeekOrigin.End);
                UInt32 offset = (UInt32)datFileStream.Length;

                FileInfo fInfo = new FileInfo(m_fileName);

                // .fsb, .fev, and .gfx files aren't compressed
                byte[] finalContent;
                if (fInfo.Extension == ".fsb" || fInfo.Extension == ".fev" || fInfo.Extension == ".gfx")
                {
                    finalContent = content;
                }
                else
                {
                    // Start of compression
                    MemoryStream       mStream = new MemoryStream();
                    zlib.ZOutputStream oStream = new zlib.ZOutputStream(mStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION); //using default compression level
                    oStream.Write(content, 0, content.Length);
                    oStream.finish();
                    finalContent = mStream.ToArray();
                }

                // Write the data to the end of the .dat file
                datFileStream.Write(finalContent, 0, finalContent.Length);

                // Update entry values to represent the new changes
                FileOffset = offset;
                FileSize   = (UInt32)finalContent.Length;

                return(true);
            }
            catch (Exception)
            {
                FileOffset = oldOffset;
                FileSize   = oldSize;

                return(false);
            }
        }
Esempio n. 3
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        /// <summary>
        /// Compresses an array of bytes using the DEFLATE algorithm from zlib.
        /// </summary>
        /// <param name="data">The array of bytes to compress.</param>
        /// <param name="compression">The compression level to use when compressing the data. -1 for the default, 0 for none, and 1 to 9 for fastest/worst to slowest/best.</param>
        /// <returns>The compressed byte array.</returns>
        /// <exception cref="ArgumentNullException"><paramref name="data"/> is <c>null</c>.</exception>
        public static byte[] Compress(byte[] data, int compression = zlibConst.Z_DEFAULT_COMPRESSION)
        {
            if (data == null)
            {
                throw new ArgumentNullException("data");
            }

            // Create a memory stream to write our compressed data to
            using (MemoryStream memoryStream = new MemoryStream())
            {
                // Create a GZIP stream and write our byte array to compress it
                using (ZOutputStream gzip = new ZOutputStream(memoryStream, compression))
                {
                    gzip.Write(data, 0, data.Length);
                }

                // Read compressed bytes back
                byte[] compressed = memoryStream.ToArray();

                // Create a new array the same as the length of the compressed data plus 4 bytes for the size
                byte[] buffer = new byte[compressed.Length + sizeof(int)];

                // Copy the compressed bytes we got earlier into our new array at offset 4
                Buffer.BlockCopy(compressed, 0, buffer, sizeof(int), compressed.Length);

                // Get the length of the compressed data array, making sure to adjust for endianness
                byte[] length = BitConverter.GetBytes(data.Length);
                if (BitConverter.IsLittleEndian)
                {
                    Array.Reverse(length);
                }

                // Copy the length of the compressed data array into the first 4 bytes our our new array
                Buffer.BlockCopy(length, 0, buffer, 0, sizeof(int));

                return buffer;
            }
        }
Esempio n. 4
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        //Inserts a file into the raf archive...
        public bool InsertFile(string fileName, byte[] content, TextWriter ostream)
        {
            if (ostream == null)
                ostream = new StreamWriter(Stream.Null);

            ostream.WriteLine("    Insert: " + fileName);
            ostream.WriteLine("        To: " + GetID());

            RAFFileListEntry fileentry = this.GetDirectoryFile().GetFileList().GetFileEntry(fileName);
            if (fileentry == null)
            {
                //Define a new entry
                ostream.WriteLine("# Create new entry in RAF Archive, using experimental hash calculations");
                ostream.WriteLine("    Get DAT File Stream");
                FileStream datFileStream = GetDataFileContentStream();
                //navigate to the end of it, add the file.
                datFileStream.Seek(0, SeekOrigin.End);
                UInt32 offset = (UInt32)datFileStream.Length;

                byte[] finalContent;
                if (nocompress.Contains(fileName))
                {
                    finalContent = content;
                }
                else
                {
                    ostream.WriteLine("    Begin compression of content");
                    MemoryStream mStream = new MemoryStream();
                    zlib.ZOutputStream oStream = new zlib.ZOutputStream(mStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION); //using default compression level
                    oStream.Write(content, 0, content.Length);
                    oStream.finish();
                    finalContent = mStream.ToArray();
                }

                ostream.WriteLine("    Begin DAT Write");
                datFileStream.Write(finalContent, 0, finalContent.Length);

                ostream.WriteLine("    Add file entry to in memory directory...");
                UInt32 strTableIndex = directoryFile.GetStringTable().Add(fileName);
                directoryFile.CreateFileEntry(fileName, offset, (UInt32)finalContent.Length, strTableIndex);
                //directoryFile.Save();
                //datFileStream.Close();
                ostream.WriteLine("    Done.");
                return true;

            }
            else
            {
                //store the old offsets just in case we need to perform a restore.
                //This actually isn't necessary currently, since the raf directory file is saved
                //After packing.
                UInt32 oldOffset = (UInt32)fileentry.FileOffset;
                UInt32 oldSize = (UInt32)fileentry.FileSize;
                ostream.WriteLine("Old Offset: " + oldOffset + "; Old Size: " + oldSize);

                ostream.WriteLine("Begin modify game files...  This may take a while");
                try
                {
                    ostream.WriteLine("    Get File Stream");
                    FileStream datFileStream = GetDataFileContentStream();
                    //navigate to the end of it, add the file.
                    datFileStream.Seek(0, SeekOrigin.End);
                    UInt32 offset = (UInt32)datFileStream.Length;

                    byte[] finalContent;
                    if (nocompress.Contains(fileName))
                    {
                        finalContent = content;
                    }
                    else
                    {
                        ostream.WriteLine("    Begin compression of content");
                        MemoryStream mStream = new MemoryStream();
                        zlib.ZOutputStream oStream = new zlib.ZOutputStream(mStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION); //using default compression level
                        oStream.Write(content, 0, content.Length);
                        oStream.finish();
                        finalContent = mStream.ToArray();
                    }

                    ostream.WriteLine("    Begin DAT Write");
                    datFileStream.Write(finalContent, 0, finalContent.Length);

                    ostream.WriteLine("    Begin FileEntry Write");
                    fileentry.FileOffset = offset;
                    fileentry.FileSize = (UInt32)finalContent.Length;
                    //directoryFile.Save();

                    //datFileStream.Close();
                    ostream.WriteLine("    Done.");
                    return true;
                }
                catch (Exception e)
                {
                    ostream.WriteLine("!! An error occurred in inserting a file.");
                    ostream.WriteLine("!! Note that the content of the raf archive has been added to");
                    ostream.WriteLine("!! But the directory file that points the game to the data in the content file");
                    ostream.WriteLine("!! Has not been modified.  In other words, if the game read the RAF archive now");
                    ostream.WriteLine("!! It wouldn't see a difference.");
                    ostream.WriteLine("!! However, the RAF archive is a bit bigger than before.");
                    ostream.WriteLine(e.ToString());

                    fileentry.FileOffset = oldOffset;
                    fileentry.FileSize = oldSize;
                    //directoryFile.GetContent();
                    return false;
                }
            }
        }
Esempio n. 5
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        /// <summary>
        /// Generate the co-ords and faces necessary to construct a mesh from the mesh 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 GenerateCoordsAndFacesFromPrimMeshData(
            string primName, PrimitiveBaseShape primShape, Vector3 size, out List<Coord> coords, out List<Face> faces)
        {
            m_log.DebugFormat("[MESH]: experimental mesh proxy generation for {0}", primName);

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

            if (primShape.SculptData.Length <= 0)
            {
                m_log.Error("[MESH]: asset data is zero length");
                return false;
            }

            long start = 0;
            using (MemoryStream data = new MemoryStream(primShape.SculptData))
            {
                try
                {
                    OSD osd = OSDParser.DeserializeLLSDBinary(data);
                    if (osd is OSDMap)
                        meshOsd = (OSDMap)osd;
                    else
                    {
                        m_log.Warn("[Mesh}: unable to cast mesh asset to OSDMap");
                        return false;
                    }
                }
                catch (Exception e)
                {
                    m_log.Error("[MESH]: Exception deserializing mesh asset header:" + e.ToString());
                }

                start = data.Position;
            }

            if (meshOsd is OSDMap)
            {
                OSDMap physicsParms = null;
                OSDMap map = (OSDMap)meshOsd;
                if (map.ContainsKey("physics_shape"))
                    physicsParms = (OSDMap)map["physics_shape"]; // old asset format
                else if (map.ContainsKey("physics_mesh"))
                    physicsParms = (OSDMap)map["physics_mesh"]; // new asset format

                if (physicsParms == null)
                {
                    m_log.Warn("[MESH]: no recognized physics mesh found in mesh asset");
                    return false;
                }

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

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

                OSD decodedMeshOsd = new OSD();
                byte[] meshBytes = new byte[physSize];
                System.Buffer.BlockCopy(primShape.SculptData, physOffset, meshBytes, 0, physSize);
//                        byte[] decompressed = new byte[physSize * 5];
                try
                {
                    using (MemoryStream inMs = new MemoryStream(meshBytes))
                    {
                        using (MemoryStream outMs = new MemoryStream())
                        {
                            using (ZOutputStream zOut = new ZOutputStream(outMs))
                            {
                                byte[] readBuffer = new byte[2048];
                                int readLen = 0;
                                while ((readLen = inMs.Read(readBuffer, 0, readBuffer.Length)) > 0)
                                {
                                    zOut.Write(readBuffer, 0, readLen);
                                }
                                zOut.Flush();
                                outMs.Seek(0, SeekOrigin.Begin);

                                byte[] decompressedBuf = outMs.GetBuffer();

                                decodedMeshOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf);
                            }
                        }
                    }
                }
                catch (Exception e)
                {
                    m_log.Error("[MESH]: exception decoding physical mesh: " + e.ToString());
                    return false;
                }

                OSDArray decodedMeshOsdArray = null;

                // physics_shape is an array of OSDMaps, one for each submesh
                if (decodedMeshOsd is OSDArray)
                {
//                            Console.WriteLine("decodedMeshOsd for {0} - {1}", primName, Util.GetFormattedXml(decodedMeshOsd));

                    decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
                    foreach (OSD subMeshOsd in decodedMeshOsdArray)
                    {
                        if (subMeshOsd is OSDMap)
                            AddSubMesh(subMeshOsd as OSDMap, size, coords, faces);
                    }
                }
            }

            return true;
        }
Esempio n. 6
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        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;
        }
Esempio n. 7
0
        private string deflate()
        {
            int totalSize = 0;

            foreach (DSMCCDownloadDataBlock block in blocks)
                totalSize += block.DataSize;

            byte[] moduleData = new byte[totalSize];
            int dataIndex = 0;

            foreach (DSMCCDownloadDataBlock block in blocks)
            {
                for (int inputIndex = 0; inputIndex < block.DataSize; inputIndex++)
                {
                    moduleData[dataIndex] = block.Data[inputIndex];
                    dataIndex++;
                }
            }

            try
            {
                MemoryStream output = new MemoryStream();
                ZOutputStream zstream = new ZOutputStream(output);

                data = new byte[originalSize];
                zstream.Write(moduleData, 0, moduleData.Length);
                zstream.Flush();
                output.Seek(0, SeekOrigin.Begin);
                int readCount = output.Read(data, 0, data.Length);

                return (null);
            }
            catch (Exception e)
            {
                return (e.Message);
            }
        }
Esempio n. 8
0
        public bool PackRAF(string sourceDirectory, string targetDirectory)
        {
            //RAFHashManager.Init(); //Inits if it needs to load the hashes dict...

            //archivedPaths = RAFHashManager.GetKeys();

            uncompressedFiles = new List<string>();
            uncompressedFiles.AddRange(File.ReadAllLines(Environment.CurrentDirectory + "\\nocompress.txt"));

            sourceDirectory = sourceDirectory.Replace("/", "\\");
            String[] files = Directory.GetFiles(sourceDirectory, "*", SearchOption.AllDirectories);

            ostream.WriteLine("Begin packing RAF");

            ostream.WriteLine("Count content bytes + file name bytes");

            UInt32 totalNameBytes = 0;
            List<UInt32> stringTableContentOffsets = new List<UInt32>();
            List<String> archivedPaths = new List<string>();        //Misnomer - name of the files once archived
            foreach (String filePath in files)
            {
                string archivePath = filePath.Replace(sourceDirectory, "").Replace("\\", "/");
                stringTableContentOffsets.Add((UInt32)totalNameBytes);
                totalNameBytes += (UInt32)(archivePath.Length + 1);
                archivedPaths.Add(archivePath);//raf uses / in storage name.
            }
            foreach (String archivePath in archivedPaths)
            {
                stringTableContentOffsets.Add((UInt32)totalNameBytes);
                totalNameBytes += (UInt32)(archivePath.Length + 1);
                //archivedPaths.Add(archivePath);//raf uses / in storage name.
            }

            //Calculate total bytes of header file: 
            // ulong magic = 0x18BE0EF0                             6*4
            // ulong version = 1
            // toc:
            // ulong mgrIndex = 0?
            // ulong fileListOffset 
            // ulong tableListOffset
            // ...filler...
            // @fileListOffset:
            //      header:
            //          ulong countFiles                            4
            //      ulong hashName                                  4*4*n
            //      ulong offsetInDataFile
            //      ulong size(Compressed/noncompressed)
            //      ulong name string @ string table
            // ....filler....
            // @tableListOffset
            //      header:                                         4*2
            //          ulong sizeOfData ( including header )
            //          ulong stringsContained
            //      ulong offsetOfDataAfterTableListOffset          4*2*n
            //      ulong stringLength (including null terminating char)

            //TODO: Check if string table contains strings other than filenames

            //List<byte> datBytes = new List<byte>();
            UInt32 totalDatBytes = 0;
            List<UInt32> datFileOffsets = new List<UInt32>();
            List<UInt32> fileSizes = new List<UInt32>();
            //We start by packing the files into the .dat... We just archive all files and remember their offsets for later

            PrepareDirectory(targetDirectory);
            FileStream datFileStream = File.Create(targetDirectory + "\\output.raf.dat");
            for(int i = 0; i < archivedPaths.Count; i++)
            {
                //datFileOffsets.Add((UInt32)datBytes.Count);

                //LoL_Audio.fev and LoL_Audio.fsb aren't compressed.  We write them raw.
                if (uncompressedFiles.Contains(archivedPaths[i].ToLower()))
                {
                    //Write raw
                    ostream.WriteLine("No Compress: " + archivedPaths[i]);
                    fileSizes.Add((UInt32)new FileInfo(sourceDirectory + archivedPaths[i]).Length);
                    datFileOffsets.Add((UInt32)totalDatBytes);
                    //datBytes.AddRange(File.ReadAllBytes(sourceDirectory + archivedPaths[i]));
                    byte[] content = File.ReadAllBytes(sourceDirectory + archivedPaths[i]);
                    datFileStream.Write(content, 0, content.Length);
                    totalDatBytes += (UInt32)content.Length;
                }
                else
                {
                    ostream.WriteLine("Compress: " + archivedPaths[i]);
                    //FileStream fStream = new FileStream(sourceDirectory + archivedPaths[i], FileMode.Open);
                    //fStream.Seek(0, SeekOrigin.Begin);
                    //ostreamWriteLine("FStream Length: " + fStream.Length);
                    byte[] fileContent = File.ReadAllBytes(sourceDirectory + archivedPaths[i]);
                    ostream.WriteLine("Original Size:" + fileContent.Length);
                    MemoryStream mStream = new MemoryStream();
                    zlib.ZOutputStream oStream = new zlib.ZOutputStream(mStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION); //using default compression level
                    oStream.Write(fileContent, 0, fileContent.Length);
                    oStream.finish();
                    byte[] compressedContent = mStream.ToArray();
                    datFileOffsets.Add((UInt32)totalDatBytes);
                    datFileStream.Write(compressedContent, 0, compressedContent.Length);
                    //datBytes.AddRange(compressedContent);//contentBuffer.SubArray(0, length));
                    //count += (UInt32)length;
                    totalDatBytes += (UInt32)compressedContent.Length;
                    ostream.WriteLine("Done, {0} bytes".F(compressedContent.Length));
                    fileSizes.Add((UInt32)compressedContent.Length);
                }
            }

            UInt32 finalLength = (UInt32)(2*4 + 3*4 + 4 + 4*4*archivedPaths.Count + 4*2 + 4*2*archivedPaths.Count + totalNameBytes);
            byte[] buffer = new byte[finalLength]; //0x18BE0EF0.. note that the settings to 0 aren't necessary, but they're
                                                    // for readability
            //Magic
            StoreUInt32InBuffer((UInt32)0x18BE0EF0, (UInt32)0, ref buffer);

            //Version
            StoreUInt32InBuffer((UInt32)0x00000001, (UInt32)4, ref buffer);

            //mgrIndex = 0
            StoreUInt32InBuffer((UInt32)0x00000000, (UInt32)8, ref buffer);
            
            //fileListOffset
            StoreUInt32InBuffer((UInt32)        20, (UInt32)12, ref buffer);
            
            //stringTableOffset
            StoreUInt32InBuffer((UInt32)(20+4+16*archivedPaths.Count), (UInt32)16, ref buffer);

            //Start file list
            UInt32 offset = 0x14; //20, header of file list

            //Store # entries in list
            StoreUInt32InBuffer((UInt32)archivedPaths.Count, offset, ref buffer);
            offset += 4;

            //Store entries
            for (int i = 0; i < archivedPaths.Count; i++)
            {
                ostream.WriteLine("Store Entry: " + archivedPaths[i]);
                //Hash of string name?  Get it from previous RAF files.
                StoreUInt32InBuffer(GetStringHash(archivedPaths[i]) , offset, ref buffer);

                // Offset to the start of the archived file in the data file
                ostream.WriteLine("  Dat Offset: " + datFileOffsets[i].ToString("x") + "; i="+i);
                StoreUInt32InBuffer(datFileOffsets[i]               , offset+4, ref buffer);

                // Size of this archived file
                StoreUInt32InBuffer(fileSizes[i]                    , offset+8, ref buffer);
                // Index of the name of the archvied file in the string table
                StoreUInt32InBuffer((UInt32)i                       , offset+12, ref buffer);
                offset += 16;
            }

            //Create String Tables
            UInt32 stringTableOffset = offset = (UInt32)(20 + 4 + 16 * archivedPaths.Count); //This should be equivalent to offset= offset at the moment...

            //Header: Uint32 size of all data including header
            //        UINT32 Number of strings in the table

            StoreUInt32InBuffer((UInt32)totalNameBytes, offset, ref buffer);
            offset += 4;
            StoreUInt32InBuffer((UInt32)archivedPaths.Count, offset, ref buffer);
            offset += 4;
            //Write entries: UINT32 Offset from start of table, UINT32 Size of String + NUL
            //Also write the actual string values
            for (int i = 0; i < archivedPaths.Count; i++)
            {
                ostream.WriteLine("Store String: " + archivedPaths[i]);
                //Write the offset for the string after the table's offset
                //               offset after table = header + entry count * 8 + [strings offset] * 8
                UInt32 offsetAfterTable = (UInt32)(8 + archivedPaths.Count * 8 + stringTableContentOffsets[i]);
                StoreUInt32InBuffer(offsetAfterTable, offset, ref buffer);
                offset += 4;
                
                //Length
                byte[] stringBytes = Encoding.ASCII.GetBytes(archivedPaths[i]);
                StoreUInt32InBuffer((UInt32)archivedPaths[i].Length + 1, offset, ref buffer);
                offset += 4;

                ostream.WriteLine("  STO:" + stringTableOffset.ToString("x"));
                ostream.WriteLine("  finalIndex:" + (stringTableOffset + 8 + archivedPaths.Count * 8 + stringTableContentOffsets[i]).ToString("x"));
                //Copy the string contents to where offsetAfterTable points to
                for (int j = 0; j < stringBytes.Length; j++)
                {
                    buffer[stringTableOffset+ 8 + archivedPaths.Count * 8 + stringTableContentOffsets[i] + j] = stringBytes[j];
                }
                //StoreUInt32InBuffer((UInt32)archivedPaths.Count, offset, ref buffer);
                //offset += 4;                
            }

            //We are done.  Write the files
            ostream.WriteLine("All files processed.  Writing to disk.");

            //buffer
            ostream.WriteLine("Prepare.");
            PrepareDirectory(targetDirectory);
            
            ostream.WriteLine("Write RAF Directory File.");
            File.WriteAllBytes(targetDirectory + "\\output.raf", buffer);

            ostream.WriteLine("Finalize");
            datFileStream.Flush();
            datFileStream.Close();
            //ostreamWriteLine("Write RAF Content File. Length:"+datBytes.Count);
            //File.WriteAllBytes(targetDirectory + "\\output.raf.dat", datBytes.ToArray());
            return true;
        }
Esempio n. 9
0
        /// <summary>
        /// decompresses a gzipped OSD object
        /// </summary>
        /// <param name="decodedOsd"></param> the OSD object
        /// <param name="meshBytes"></param>
        /// <returns></returns>
        private static OSD DecompressOsd(byte[] meshBytes)
        {
            OSD decodedOsd = null;

            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();

                        decodedOsd = OSDParser.DeserializeLLSDBinary(decompressedBuf);
                    }
                }
            }
            return decodedOsd;
        }
Esempio n. 10
0
        // parses convex hulls component
        private bool hulls(byte[] data, int offset, int size, out int nvertices, out int nhulls)
        {
            nvertices = 0;
            nhulls = 1;

            OSD decodedMeshOsd = new OSD();
            byte[] meshBytes = new byte[size];
            System.Buffer.BlockCopy(data, offset, meshBytes, 0, size);
            try
            {
                using (MemoryStream inMs = new MemoryStream(meshBytes))
                {
                    using (MemoryStream outMs = new MemoryStream())
                    {
                        using (ZOutputStream zOut = new ZOutputStream(outMs))
                        {
                            byte[] readBuffer = new byte[4096];
                            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
            {
                return false;
            }

            OSDMap cmap = (OSDMap)decodedMeshOsd;
            if (cmap == null)
                return false;

            byte[] dummy;

            // must have one of this
            if (cmap.ContainsKey("BoundingVerts"))
            {
                dummy = cmap["BoundingVerts"].AsBinary();
                nvertices = dummy.Length / bytesPerCoord;
            }
            else
                return false;

/* upload is done with convex shape type
            if (cmap.ContainsKey("HullList"))
            {
                dummy = cmap["HullList"].AsBinary();
                nhulls += dummy.Length;
            }


            if (cmap.ContainsKey("Positions"))
            {
                dummy = cmap["Positions"].AsBinary();
                nvertices = dummy.Length / bytesPerCoord;
            }
 */

            return true;
        }
Esempio n. 11
0
        private byte[] CompressResult(string strResult)
        {
            byte[] byteArrayIn = Encoding.UTF8.GetBytes(strResult);

            MemoryStream outStream = new MemoryStream();
            ZOutputStream zOutputStream = new ZOutputStream(outStream, zlibConst.Z_BEST_COMPRESSION);
            zOutputStream.Write(byteArrayIn, 0, byteArrayIn.Length);
            zOutputStream.Close();

            byte[] byteArrayOut = outStream.ToArray();

            byte[] compresedDataLengthBytes = BitConverter.GetBytes(byteArrayOut.Length);
            byte[] dataLengthBytes = BitConverter.GetBytes(strResult.Length);

            byte[] bytesToSend = new byte[byteArrayOut.Length + 8];

            bytesToSend[0] = dataLengthBytes[3];
            bytesToSend[1] = dataLengthBytes[2];
            bytesToSend[2] = dataLengthBytes[1];
            bytesToSend[3] = dataLengthBytes[0];
            bytesToSend[4] = compresedDataLengthBytes[3];
            bytesToSend[5] = compresedDataLengthBytes[2];
            bytesToSend[6] = compresedDataLengthBytes[1];
            bytesToSend[7] = compresedDataLengthBytes[0];
            int index = 8;
            foreach (byte b in byteArrayOut)
            {
                bytesToSend[index] = b;
                index++;
            }
            return bytesToSend;
        }
Esempio n. 12
0
        //Inserts a file into the raf archive...
        public bool InsertFile(string fileName, byte[] content, TextWriter ostream)
        {
            if (ostream == null)
            {
                ostream = new StreamWriter(Stream.Null);
            }

            ostream.WriteLine("    Insert: " + fileName);
            ostream.WriteLine("        To: " + GetID());

            RAFFileListEntry fileentry = this.GetDirectoryFile().GetFileList().GetFileEntry(fileName);

            if (fileentry == null)
            {
                //Define a new entry
                ostream.WriteLine("# Create new entry in RAF Archive, using experimental hash calculations");
                ostream.WriteLine("    Get DAT File Stream");
                FileStream datFileStream = GetDataFileContentStream();
                //navigate to the end of it, add the file.
                datFileStream.Seek(0, SeekOrigin.End);
                UInt32 offset = (UInt32)datFileStream.Length;

                byte[] finalContent;
                if (nocompress.Contains(fileName))
                {
                    finalContent = content;
                }
                else
                {
                    ostream.WriteLine("    Begin compression of content");
                    MemoryStream       mStream = new MemoryStream();
                    zlib.ZOutputStream oStream = new zlib.ZOutputStream(mStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION); //using default compression level
                    oStream.Write(content, 0, content.Length);
                    oStream.finish();
                    finalContent = mStream.ToArray();
                }

                ostream.WriteLine("    Begin DAT Write");
                datFileStream.Write(finalContent, 0, finalContent.Length);

                ostream.WriteLine("    Add file entry to in memory directory...");
                UInt32 strTableIndex = directoryFile.GetStringTable().Add(fileName);
                directoryFile.CreateFileEntry(fileName, offset, (UInt32)finalContent.Length, strTableIndex);
                //directoryFile.Save();
                //datFileStream.Close();
                ostream.WriteLine("    Done.");
                return(true);
            }
            else
            {
                //store the old offsets just in case we need to perform a restore.
                //This actually isn't necessary currently, since the raf directory file is saved
                //After packing.
                UInt32 oldOffset = (UInt32)fileentry.FileOffset;
                UInt32 oldSize   = (UInt32)fileentry.FileSize;
                ostream.WriteLine("Old Offset: " + oldOffset + "; Old Size: " + oldSize);

                ostream.WriteLine("Begin modify game files...  This may take a while");
                try
                {
                    ostream.WriteLine("    Get File Stream");
                    FileStream datFileStream = GetDataFileContentStream();
                    //navigate to the end of it, add the file.
                    datFileStream.Seek(0, SeekOrigin.End);
                    UInt32 offset = (UInt32)datFileStream.Length;

                    byte[] finalContent;
                    if (nocompress.Contains(fileName))
                    {
                        finalContent = content;
                    }
                    else
                    {
                        ostream.WriteLine("    Begin compression of content");
                        MemoryStream       mStream = new MemoryStream();
                        zlib.ZOutputStream oStream = new zlib.ZOutputStream(mStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION); //using default compression level
                        oStream.Write(content, 0, content.Length);
                        oStream.finish();
                        finalContent = mStream.ToArray();
                    }

                    ostream.WriteLine("    Begin DAT Write");
                    datFileStream.Write(finalContent, 0, finalContent.Length);

                    ostream.WriteLine("    Begin FileEntry Write");
                    fileentry.FileOffset = offset;
                    fileentry.FileSize   = (UInt32)finalContent.Length;
                    //directoryFile.Save();

                    //datFileStream.Close();
                    ostream.WriteLine("    Done.");
                    return(true);
                }
                catch (Exception e)
                {
                    ostream.WriteLine("!! An error occurred in inserting a file.");
                    ostream.WriteLine("!! Note that the content of the raf archive has been added to");
                    ostream.WriteLine("!! But the directory file that points the game to the data in the content file");
                    ostream.WriteLine("!! Has not been modified.  In other words, if the game read the RAF archive now");
                    ostream.WriteLine("!! It wouldn't see a difference.");
                    ostream.WriteLine("!! However, the RAF archive is a bit bigger than before.");
                    ostream.WriteLine(e.ToString());

                    fileentry.FileOffset = oldOffset;
                    fileentry.FileSize   = oldSize;
                    //directoryFile.GetContent();
                    return(false);
                }
            }
        }
Esempio n. 13
0
 public void Deserialize(OSDMap map)
 {
     try
     {
         using (MemoryStream input = new MemoryStream(map["Zipped"].AsBinary()))
         {
             using (MemoryStream output = new MemoryStream())
             {
                 using (ZOutputStream zout = new ZOutputStream(output))
                 {
                     byte[] buffer = new byte[2048];
                     int len;
                     while ((len = input.Read(buffer, 0, buffer.Length)) > 0)
                     {
                         zout.Write(buffer, 0, len);
                     }
                     zout.Flush();
                     output.Seek(0, SeekOrigin.Begin);
                     MaterialData = OSDParser.DeserializeLLSDBinary(output);
                 }
             }
         }
     }
     catch (Exception ex)
     {
         Logger.Log("Failed to decode RenderMaterials message:", Helpers.LogLevel.Warning, ex);
         MaterialData = new OSDMap();
     }
 }
Esempio n. 14
0
        public bool PackRAF(string sourceDirectory, string targetDirectory)
        {
            //RAFHashManager.Init(); //Inits if it needs to load the hashes dict...

            //archivedPaths = RAFHashManager.GetKeys();

            uncompressedFiles = new List <string>();
            uncompressedFiles.AddRange(File.ReadAllLines(Environment.CurrentDirectory + "\\nocompress.txt"));

            sourceDirectory = sourceDirectory.Replace("/", "\\");
            String[] files = Directory.GetFiles(sourceDirectory, "*", SearchOption.AllDirectories);

            ostream.WriteLine("Begin packing RAF");

            ostream.WriteLine("Count content bytes + file name bytes");

            UInt32        totalNameBytes            = 0;
            List <UInt32> stringTableContentOffsets = new List <UInt32>();
            List <String> archivedPaths             = new List <string>(); //Misnomer - name of the files once archived

            foreach (String filePath in files)
            {
                string archivePath = filePath.Replace(sourceDirectory, "").Replace("\\", "/");
                stringTableContentOffsets.Add((UInt32)totalNameBytes);
                totalNameBytes += (UInt32)(archivePath.Length + 1);
                archivedPaths.Add(archivePath);//raf uses / in storage name.
            }
            foreach (String archivePath in archivedPaths)
            {
                stringTableContentOffsets.Add((UInt32)totalNameBytes);
                totalNameBytes += (UInt32)(archivePath.Length + 1);
                //archivedPaths.Add(archivePath);//raf uses / in storage name.
            }

            //Calculate total bytes of header file:
            // ulong magic = 0x18BE0EF0                             6*4
            // ulong version = 1
            // toc:
            // ulong mgrIndex = 0?
            // ulong fileListOffset
            // ulong tableListOffset
            // ...filler...
            // @fileListOffset:
            //      header:
            //          ulong countFiles                            4
            //      ulong hashName                                  4*4*n
            //      ulong offsetInDataFile
            //      ulong size(Compressed/noncompressed)
            //      ulong name string @ string table
            // ....filler....
            // @tableListOffset
            //      header:                                         4*2
            //          ulong sizeOfData ( including header )
            //          ulong stringsContained
            //      ulong offsetOfDataAfterTableListOffset          4*2*n
            //      ulong stringLength (including null terminating char)

            //TODO: Check if string table contains strings other than filenames

            //List<byte> datBytes = new List<byte>();
            UInt32        totalDatBytes  = 0;
            List <UInt32> datFileOffsets = new List <UInt32>();
            List <UInt32> fileSizes      = new List <UInt32>();

            //We start by packing the files into the .dat... We just archive all files and remember their offsets for later

            PrepareDirectory(targetDirectory);
            FileStream datFileStream = File.Create(targetDirectory + "\\output.raf.dat");

            for (int i = 0; i < archivedPaths.Count; i++)
            {
                //datFileOffsets.Add((UInt32)datBytes.Count);

                //LoL_Audio.fev and LoL_Audio.fsb aren't compressed.  We write them raw.
                if (uncompressedFiles.Contains(archivedPaths[i].ToLower()))
                {
                    //Write raw
                    ostream.WriteLine("No Compress: " + archivedPaths[i]);
                    fileSizes.Add((UInt32) new FileInfo(sourceDirectory + archivedPaths[i]).Length);
                    datFileOffsets.Add((UInt32)totalDatBytes);
                    //datBytes.AddRange(File.ReadAllBytes(sourceDirectory + archivedPaths[i]));
                    byte[] content = File.ReadAllBytes(sourceDirectory + archivedPaths[i]);
                    datFileStream.Write(content, 0, content.Length);
                    totalDatBytes += (UInt32)content.Length;
                }
                else
                {
                    ostream.WriteLine("Compress: " + archivedPaths[i]);
                    //FileStream fStream = new FileStream(sourceDirectory + archivedPaths[i], FileMode.Open);
                    //fStream.Seek(0, SeekOrigin.Begin);
                    //ostreamWriteLine("FStream Length: " + fStream.Length);
                    byte[] fileContent = File.ReadAllBytes(sourceDirectory + archivedPaths[i]);
                    ostream.WriteLine("Original Size:" + fileContent.Length);
                    MemoryStream       mStream = new MemoryStream();
                    zlib.ZOutputStream oStream = new zlib.ZOutputStream(mStream, zlib.zlibConst.Z_DEFAULT_COMPRESSION); //using default compression level
                    oStream.Write(fileContent, 0, fileContent.Length);
                    oStream.finish();
                    byte[] compressedContent = mStream.ToArray();
                    datFileOffsets.Add((UInt32)totalDatBytes);
                    datFileStream.Write(compressedContent, 0, compressedContent.Length);
                    //datBytes.AddRange(compressedContent);//contentBuffer.SubArray(0, length));
                    //count += (UInt32)length;
                    totalDatBytes += (UInt32)compressedContent.Length;
                    ostream.WriteLine("Done, {0} bytes".F(compressedContent.Length));
                    fileSizes.Add((UInt32)compressedContent.Length);
                }
            }

            UInt32 finalLength = (UInt32)(2 * 4 + 3 * 4 + 4 + 4 * 4 * archivedPaths.Count + 4 * 2 + 4 * 2 * archivedPaths.Count + totalNameBytes);

            byte[] buffer = new byte[finalLength]; //0x18BE0EF0.. note that the settings to 0 aren't necessary, but they're
                                                   // for readability
            //Magic
            StoreUInt32InBuffer((UInt32)0x18BE0EF0, (UInt32)0, ref buffer);

            //Version
            StoreUInt32InBuffer((UInt32)0x00000001, (UInt32)4, ref buffer);

            //mgrIndex = 0
            StoreUInt32InBuffer((UInt32)0x00000000, (UInt32)8, ref buffer);

            //fileListOffset
            StoreUInt32InBuffer((UInt32)20, (UInt32)12, ref buffer);

            //stringTableOffset
            StoreUInt32InBuffer((UInt32)(20 + 4 + 16 * archivedPaths.Count), (UInt32)16, ref buffer);

            //Start file list
            UInt32 offset = 0x14; //20, header of file list

            //Store # entries in list
            StoreUInt32InBuffer((UInt32)archivedPaths.Count, offset, ref buffer);
            offset += 4;

            //Store entries
            for (int i = 0; i < archivedPaths.Count; i++)
            {
                ostream.WriteLine("Store Entry: " + archivedPaths[i]);
                //Hash of string name?  Get it from previous RAF files.
                StoreUInt32InBuffer(GetStringHash(archivedPaths[i]), offset, ref buffer);

                // Offset to the start of the archived file in the data file
                ostream.WriteLine("  Dat Offset: " + datFileOffsets[i].ToString("x") + "; i=" + i);
                StoreUInt32InBuffer(datFileOffsets[i], offset + 4, ref buffer);

                // Size of this archived file
                StoreUInt32InBuffer(fileSizes[i], offset + 8, ref buffer);
                // Index of the name of the archvied file in the string table
                StoreUInt32InBuffer((UInt32)i, offset + 12, ref buffer);
                offset += 16;
            }

            //Create String Tables
            UInt32 stringTableOffset = offset = (UInt32)(20 + 4 + 16 * archivedPaths.Count); //This should be equivalent to offset= offset at the moment...

            //Header: Uint32 size of all data including header
            //        UINT32 Number of strings in the table

            StoreUInt32InBuffer((UInt32)totalNameBytes, offset, ref buffer);
            offset += 4;
            StoreUInt32InBuffer((UInt32)archivedPaths.Count, offset, ref buffer);
            offset += 4;
            //Write entries: UINT32 Offset from start of table, UINT32 Size of String + NUL
            //Also write the actual string values
            for (int i = 0; i < archivedPaths.Count; i++)
            {
                ostream.WriteLine("Store String: " + archivedPaths[i]);
                //Write the offset for the string after the table's offset
                //               offset after table = header + entry count * 8 + [strings offset] * 8
                UInt32 offsetAfterTable = (UInt32)(8 + archivedPaths.Count * 8 + stringTableContentOffsets[i]);
                StoreUInt32InBuffer(offsetAfterTable, offset, ref buffer);
                offset += 4;

                //Length
                byte[] stringBytes = Encoding.ASCII.GetBytes(archivedPaths[i]);
                StoreUInt32InBuffer((UInt32)archivedPaths[i].Length + 1, offset, ref buffer);
                offset += 4;

                ostream.WriteLine("  STO:" + stringTableOffset.ToString("x"));
                ostream.WriteLine("  finalIndex:" + (stringTableOffset + 8 + archivedPaths.Count * 8 + stringTableContentOffsets[i]).ToString("x"));
                //Copy the string contents to where offsetAfterTable points to
                for (int j = 0; j < stringBytes.Length; j++)
                {
                    buffer[stringTableOffset + 8 + archivedPaths.Count * 8 + stringTableContentOffsets[i] + j] = stringBytes[j];
                }
                //StoreUInt32InBuffer((UInt32)archivedPaths.Count, offset, ref buffer);
                //offset += 4;
            }

            //We are done.  Write the files
            ostream.WriteLine("All files processed.  Writing to disk.");

            //buffer
            ostream.WriteLine("Prepare.");
            PrepareDirectory(targetDirectory);

            ostream.WriteLine("Write RAF Directory File.");
            File.WriteAllBytes(targetDirectory + "\\output.raf", buffer);

            ostream.WriteLine("Finalize");
            datFileStream.Flush();
            datFileStream.Close();
            //ostreamWriteLine("Write RAF Content File. Length:"+datBytes.Count);
            //File.WriteAllBytes(targetDirectory + "\\output.raf.dat", datBytes.ToArray());
            return(true);
        }
Esempio n. 15
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        // serialize all components into a stream, then compress and write the result to disk. Operation derived from
        // the original SiD C source
        public void Save(String filename)
        {
            MemoryStream ms = new MemoryStream(mComponents.Count * 1064);
              using (ms)
              {
            using (BinaryWriter b = new BinaryWriter(ms))
            {
              b.Write(ByteUtils.SwapUInt32((UInt32)mComponents.Count));

              foreach (SiDComponent exC in mComponents)
              {
            byte[] compName = ASCIIEncoding.UTF8.GetBytes(exC.Name);
            byte[] typeName = ASCIIEncoding.UTF8.GetBytes(exC.ResourceTypeName);
            UID uid = exC.getUID();

            b.Write(typeName);
            b.Write('\0');

            b.Write(uid.UIDBytes);

            b.Write(compName);
            b.Write('\0');

            byte[] dataBuf = exC.SaveToByteStream();
            b.Write(ByteUtils.SwapUInt32((UInt32)dataBuf.Length));
            b.Write(dataBuf);
              }

              Int32 uncompressedSize = (Int32)ms.Length;

              MemoryStream packMem = new MemoryStream(uncompressedSize);
              using (ZOutputStream zStream = new ZOutputStream(packMem, 9))
              {
            zStream.Write(ms.ToArray(), 0, (Int32)ms.Length);
            zStream.finish();

            using (FileStream fs = File.Open(filename, FileMode.Create))
            {
              using (BinaryWriter fb = new BinaryWriter(fs))
              {
                fb.Write(ByteUtils.SwapUInt32((UInt32)uncompressedSize));
                fb.Write(packMem.ToArray(), 0, (Int32)packMem.Length);
              }

              fs.Close();
            }
              }
            }
              }
        }
        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;
        }
        /// <summary>
        /// Old Decompress method not using .NET compressor
        /// </summary>
        /// <param name="Data"></param>
        /// <returns></returns>
        public byte[] DecompressOld(byte[] Data)
        {
            byte[] decompressedPixelData = new byte[UncompressedLength];

            // ZLIB
            if (version > BgfFile.VERSION9)
            {
                // init streams
                MemoryStream destStream = new MemoryStream(decompressedPixelData, true);
                ZOutputStream destZ = new ZOutputStream(destStream);

                // decompress
                destZ.Write(Data, 0, Data.Length);
                destZ.Flush();
                destZ.finish();

                // cleanup
                destStream.Dispose();
                destZ.Dispose();
            }
            // CRUSH
            else
            {
            #if WINCLR && X86
                // decompress
                Crush32.Decompress(Data, 0, decompressedPixelData, 0, (int)UncompressedLength, CompressedLength);
            #else
                throw new Exception(ERRORCRUSHPLATFORM);
            #endif
            }

            // set decompressed array to pixeldata
            return decompressedPixelData;
        }
        /// <summary>
        /// Returns a compressed byte[] of PixelData argument
        /// </summary>
        /// <param name="Data"></param>
        /// <returns></returns>
        public byte[] Compress(byte[] Data)
        {
            // allocate a buffer with uncompressed length to write compressed stream to
            byte[] tempBuffer = new byte[UncompressedLength];
            int compressedLength;

            // ZLIB
            if (version > BgfFile.VERSION9)
            {
                // init streams
                MemoryStream destStream = new MemoryStream(tempBuffer, true);
                ZOutputStream destZ = new ZOutputStream(destStream, zlibConst.Z_BEST_COMPRESSION);

                // compress
                destZ.Write(Data, 0, Data.Length);
                destZ.Flush();
                destZ.finish();

                // update compressed length
                compressedLength = (int)destZ.TotalOut;

                // cleanup
                destStream.Dispose();
                destZ.Dispose();
            }
            // CRUSH
            else
            {
            #if WINCLR && X86
                // compress to tempBuffer
                compressedLength = Crush32.Compress(Data, 0, tempBuffer, 0, (int)UncompressedLength);
            #else
                throw new Exception(ERRORCRUSHPLATFORM);
            #endif
            }

            // copy all bytes we actually used from tempBuffer to new PixelData
            byte[] newPixelData = new byte[compressedLength];
            Array.Copy(tempBuffer, 0, newPixelData, 0, compressedLength);

            return newPixelData;
        }
Esempio n. 19
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        // parses a LOD or physics mesh component
        private bool submesh(byte[] data, int offset, int size, out int ntriangles)
        {
            ntriangles = 0;

            OSD decodedMeshOsd = new OSD();
            byte[] meshBytes = new byte[size];
            System.Buffer.BlockCopy(data, offset, meshBytes, 0, size);
            try
            {
                using (MemoryStream inMs = new MemoryStream(meshBytes))
                {
                    using (MemoryStream outMs = new MemoryStream())
                    {
                        using (ZOutputStream zOut = new ZOutputStream(outMs))
                        {
                            byte[] readBuffer = new byte[4096];
                            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
            {
                return false;
            }

            OSDArray decodedMeshOsdArray = null;

            byte[] dummy;

            decodedMeshOsdArray = (OSDArray)decodedMeshOsd;
            foreach (OSD subMeshOsd in decodedMeshOsdArray)
            {
                if (subMeshOsd is OSDMap)
                {
                    OSDMap subtmpmap = (OSDMap)subMeshOsd;
                    if (subtmpmap.ContainsKey("NoGeometry") && ((OSDBoolean)subtmpmap["NoGeometry"]))
                        continue;

                    if (!subtmpmap.ContainsKey("Position"))
                        return false;

                    if (subtmpmap.ContainsKey("TriangleList"))
                    {
                        dummy = subtmpmap["TriangleList"].AsBinary();
                        ntriangles += dummy.Length / bytesPerCoord;
                    }
                    else
                        return false;
                }
            }

            return true;
        }
Esempio n. 20
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        /// <summary>
        /// Decompresses an array of bytes using the DEFLATE algorithm from zlib.
        /// </summary>
        /// <param name="data">The array of bytes to decompress.</param>
        /// <returns>The decompressed byte array.</returns>
        /// <exception cref="ArgumentNullException"><paramref name="data"/> is <c>null</c>.</exception>
        /// <exception cref="IndexOutOfRangeException">The length of <paramref name="data"/> was less than 4 bytes.</exception>
        public static byte[] Decompress(byte[] data)
        {
            if (data == null)
            {
                throw new ArgumentNullException("data");
            }

            if (data.Length < 4)
            {
                throw new ArgumentOutOfRangeException("data", "The length of data must be at least 4 bytes.");
            }

            using (MemoryStream memoryStream = new MemoryStream())
            {
                // Get decompressed length
                byte[] length = new byte[sizeof(int)];
                Buffer.BlockCopy(data, 0, length, 0, sizeof(int));
                if (BitConverter.IsLittleEndian)
                {
                    Array.Reverse(length);
                }

                int decompressedLength = BitConverter.ToInt32(length, 0);

                // Write the compressed data to our memory stream
                memoryStream.Write(data, sizeof(int), data.Length - sizeof(int));
                memoryStream.Position = 0;

                // Create a new array the same as the length of the compressed data minus 4 bytes for the size
                byte[] buffer = new byte[data.Length - sizeof(int)];

                // Copy the compressed bytes we got earlier into our new array at offset 4
                Buffer.BlockCopy(data, sizeof(int), buffer, 0, data.Length - sizeof(int));

                using (ZOutputStream gzip = new ZOutputStream(memoryStream))
                {
                    gzip.Write(buffer, 0, buffer.Length);
                }

                return memoryStream.ToArray();
            }
        }
Esempio n. 21
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        private bool ReplaceContentHelperFunc(byte[] content, FileStream datFileStream)
        {
            // Store the old offsets just in case we need to perform a restore.
            // This actually isn't necessary currently, since the raf directory file is saved after packing.
            var oldOffset = FileOffset;
            var oldSize = FileSize;

            try
            {
                // Navigate to the end of it
                datFileStream.Seek(0, SeekOrigin.End);
                var offset = (UInt32) datFileStream.Length;

                var fInfo = new FileInfo(FileName);

                // .fsb, .fev, and .gfx files aren't compressed
                byte[] finalContent;
                if (fInfo.Extension == ".fsb" || fInfo.Extension == ".fev" || fInfo.Extension == ".gfx")
                {
                    finalContent = content;
                }
                else
                {
                    // Start of compression
                    var mStream = new MemoryStream();
                    var oStream = new ZOutputStream(mStream, zlibConst.Z_DEFAULT_COMPRESSION);
                    //using default compression level
                    oStream.Write(content, 0, content.Length);
                    oStream.finish();
                    finalContent = mStream.ToArray();
                }

                // Write the data to the end of the .dat file
                datFileStream.Write(finalContent, 0, finalContent.Length);

                // Update entry values to represent the new changes
                FileOffset = offset;
                FileSize = (UInt32) finalContent.Length;

                return true;
            }
            catch (Exception)
            {
                FileOffset = oldOffset;
                FileSize = oldSize;

                return false;
            }
        }
Esempio n. 22
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        /// <summary>
        /// 压缩
        /// </summary>
        /// <param name="param"></param>
        /// <returns></returns>
        static public void CompressByteZipNet(byte[] inBytes, uint startPos, uint inLen, ref byte[] outBytes, ref uint outLen)
        {
            MemoryStream ms = new MemoryStream();
            ZOutputStream zipStream = new ZOutputStream(ms, 9);

            try
            {
                zipStream.Write(inBytes, (int)startPos, (int)inLen);

                zipStream.Flush();
                zipStream.Close();      // 一定要先 Close ZipOutputStream ,然后再获取 ToArray ,如果不关闭, ToArray 将不能返回正确的值

                outBytes = ms.ToArray();
                outLen = (uint)outBytes.Length;
                ms.Close();
            }
            catch
            {
                Ctx.m_instance.m_logSys.error("CompressByteZipNet error");
            }
        }