Exemple #1
0
        /// <summary>
        /// Deserialisiert die Chunksäule aus dem angegebenen Stream.
        /// </summary>
        /// <param name="stream">Quellstream</param>
        /// <param name="definitionManager">Der verwendete DefinitionManager</param>
        /// <param name="columnIndex">Die Position der Säule</param>
        /// <param name="planetId">Der Index des Planeten</param>
        public void Deserialize(BinaryReader reader, IDefinitionManager definitionManager)
        {
            bool longIndex = reader.ReadByte() > 0;

            // Phase 1 (Column Meta: Heightmap, populated, chunkcount)
            Chunks = new Chunk[reader.ReadByte()]; // Chunk Count

            Populated = reader.ReadBoolean();      // Populated

            Index  = new Index2(reader.ReadInt32(), reader.ReadInt32());
            Planet = reader.ReadInt32();

            for (int y = 0; y < Chunk.CHUNKSIZE_Y; y++) // Heightmap
            {
                for (int x = 0; x < Chunk.CHUNKSIZE_X; x++)
                {
                    Heights[x, y] = reader.ReadUInt16();
                }
            }

            int[] counter = new int[Chunks.Length];

            for (int i = 0; i < Chunks.Length; i++) // ChangeCounter
            {
                counter[i] = reader.ReadInt32();
            }

            // Phase 2 (Block Definitionen)
            List <IDefinition>          types = new List <IDefinition>();
            Dictionary <ushort, ushort> map   = new Dictionary <ushort, ushort>();

            int typecount = longIndex ? reader.ReadUInt16() : reader.ReadByte();

            for (int i = 0; i < typecount; i++)
            {
                string        typeName        = reader.ReadString();
                IDefinition[] definitions     = definitionManager.GetDefinitions().ToArray();
                var           blockDefinition = definitions.FirstOrDefault(d => d.GetType().FullName == typeName);
                types.Add(blockDefinition);

                map.Add((ushort)types.Count, (ushort)(Array.IndexOf(definitions, blockDefinition) + 1));
            }

            // Phase 3 (Chunk Infos)
            for (int c = 0; c < Chunks.Length; c++)
            {
                IChunk chunk = Chunks[c] = new Chunk(new Index3(Index, c), Planet);
                chunk.Changed += OnChunkChanged;
                chunk.SetColumn(this);

                for (int i = 0; i < chunk.Blocks.Length; i++)
                {
                    ushort typeIndex = longIndex ? reader.ReadUInt16() : reader.ReadByte();
                    chunk.MetaData[i] = 0;
                    if (typeIndex > 0)
                    {
                        chunk.Blocks[i] = map[typeIndex];

                        var definition = (IBlockDefinition)definitionManager.GetDefinitionByIndex(map[typeIndex]);

                        if (definition.HasMetaData)
                        {
                            chunk.MetaData[i] = reader.ReadInt32();
                        }
                    }
                }
                chunk.ChangeCounter = counter[c];
            }

            //Entities lesen
            var count = reader.ReadInt32();

            for (int i = 0; i < count; i++)
            {
                var name   = reader.ReadString();
                var length = reader.ReadInt32();

                byte[] buffer = new byte[length];
                reader.Read(buffer, 0, length);

                try
                {
                    var type = Type.GetType(name);

                    if (type == null)
                    {
                        continue;
                    }

                    Entity entity = (Entity)Activator.CreateInstance(type);

                    using (MemoryStream memorystream = new MemoryStream(buffer))
                    {
                        using (BinaryReader componentbinarystream = new BinaryReader(memorystream))
                        {
                            entity.Deserialize(componentbinarystream, definitionManager);
                        }
                    }

                    Entities.Add(entity);
                }
                catch (Exception)
                {
                }
            }
        }
        public bool RegenerateVertexBuffer()
        {
            if (!ChunkPosition.HasValue)
            {
                return(false);
            }


            // Chunk nachladen
            if (this.chunk == null)
            {
                this.chunk = _manager.GetChunk(ChunkPosition.Value);
                if (this.chunk == null)
                {
                    //Thread.Sleep(10);
                    //RegenerateVertexBuffer();
                    //NeedsUpdate = false;
                    return(false);
                }

                this.chunk.Changed += OnChunkChanged;
            }
            var chunk = this.chunk;
            List <VertexPositionNormalTextureLight> vertices = new List <VertexPositionNormalTextureLight>();
            int   textureColumns = textures.Width / SceneControl.TEXTURESIZE;
            float textureWidth   = 1f / textureColumns;
            float texelSize      = 1f / SceneControl.TEXTURESIZE;
            float textureSizeGap = texelSize;
            float textureGap     = texelSize / 2;
            // BlockTypes sammlen
            Dictionary <IBlockDefinition, int> textureOffsets = new Dictionary <IBlockDefinition, int>();
            // Dictionary<Type, BlockDefinition> definitionMapping = new Dictionary<Type, BlockDefinition>();
            int definitionIndex = 0;

            foreach (var definition in definitionManager.GetBlockDefinitions())
            {
                int textureCount = definition.Textures.Count();
                textureOffsets.Add(definition, definitionIndex);
                // definitionMapping.Add(definition.GetBlockType(), definition);
                definitionIndex += textureCount;
            }

            Vector2[] uvOffsets = new[]
            {
                new Vector2(0, 0),
                new Vector2(1, 0),
                new Vector2(1, 1),
                new Vector2(0, 1)
            };

            for (int z = 0; z < Chunk.CHUNKSIZE_Z; z++)
            {
                for (int y = 0; y < Chunk.CHUNKSIZE_Y; y++)
                {
                    for (int x = 0; x < Chunk.CHUNKSIZE_X; x++)
                    {
                        ushort block = chunk.GetBlock(x, y, z);

                        if (block == 0)
                        {
                            continue;
                        }

                        IBlockDefinition blockDefinition = (IBlockDefinition)definitionManager.GetDefinitionByIndex(block);

                        if (blockDefinition == null)
                        {
                            continue;
                        }

                        int textureIndex;
                        if (!textureOffsets.TryGetValue(blockDefinition, out textureIndex))
                        {
                            continue;
                        }

                        // Textur-Koordinate "berechnen"
                        Vector2 textureOffset = new Vector2();
                        //Vector2 textureSize = new Vector2(textureWidth - textureSizeGap, textureWidth - textureSizeGap);


                        ushort           topBlock          = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y, z + 1));
                        IBlockDefinition topBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(topBlock);

                        var globalX = x + chunk.Index.X * Chunk.CHUNKSIZE_X;
                        var globalY = y + chunk.Index.Y * Chunk.CHUNKSIZE_Y;
                        var globalZ = z + chunk.Index.Z * Chunk.CHUNKSIZE_Z;

                        // Top
                        if (topBlock == 0 || (!topBlockDefintion.IsSolidWall(Wall.Bottom) && topBlock != block))
                        {
                            textureOffset = new Vector2(
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);

                            int rotation = -blockDefinition.GetTextureRotation(Wall.Top, _manager, globalX, globalY, globalZ);

                            int localOffset = vertices.Count;
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 1, z + 1),
                                    new Vector3(0, 0, 1),
                                    uvOffsets[(6 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 1, z + 1),
                                    new Vector3(0, 0, 1),
                                    uvOffsets[(7 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 0, z + 1),
                                    new Vector3(0, 0, 1),
                                    uvOffsets[(5 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 0, z + 1),
                                    new Vector3(0, 0, 1),
                                    uvOffsets[(4 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Top, _manager, globalX, globalY, globalZ)),
                                    0));
                        }

                        ushort           bottomBlock          = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y, z - 1));
                        IBlockDefinition bottomBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(bottomBlock);


                        // Unten
                        if (bottomBlock == 0 || (!bottomBlockDefintion.IsSolidWall(Wall.Top) && bottomBlock != block))
                        {
                            textureOffset = new Vector2(
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);

                            int rotation = -blockDefinition.GetTextureRotation(Wall.Bottom, _manager, globalX, globalY, globalZ);

                            int localOffset = vertices.Count;
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 1, z + 0),
                                    new Vector3(0, 0, -1),
                                    uvOffsets[(6 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 1, z + 0),
                                    new Vector3(0, 0, -1),
                                    uvOffsets[(7 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 0, z + 0),
                                    new Vector3(0, 0, -1),
                                    uvOffsets[(5 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 0, z + 0),
                                    new Vector3(0, 0, -1),
                                    uvOffsets[(4 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Bottom, _manager, globalX, globalY, globalZ)),
                                    0));
                        }

                        ushort           southBlock          = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y + 1, z));
                        IBlockDefinition southBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(southBlock);

                        // South
                        if (southBlock == 0 || (!southBlockDefintion.IsSolidWall(Wall.Front) && southBlock != block))
                        {
                            textureOffset = new Vector2(
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);

                            int rotation = -blockDefinition.GetTextureRotation(Wall.Front, _manager, globalX, globalY, globalZ);

                            int localOffset = vertices.Count;
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 1, z + 0),
                                    new Vector3(0, 1, 0),
                                    uvOffsets[(6 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 1, z + 0),
                                    new Vector3(0, 1, 0),
                                    uvOffsets[(7 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 1, z + 1),
                                    new Vector3(0, 1, 0),
                                    uvOffsets[(5 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 1, z + 1),
                                    new Vector3(0, 1, 0),
                                    uvOffsets[(4 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Front, _manager, globalX, globalY, globalZ)),
                                    0));
                        }

                        ushort           northBlock          = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x, y - 1, z));
                        IBlockDefinition northBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(northBlock);

                        // North
                        if (northBlock == 0 || (!northBlockDefintion.IsSolidWall(Wall.Back) && northBlock != block))
                        {
                            textureOffset = new Vector2(
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ) / textureColumns) * textureWidth) + textureGap));

                            int rotation = -blockDefinition.GetTextureRotation(Wall.Back, _manager, globalX, globalY, globalZ);

                            int localOffset = vertices.Count;
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 0, z + 1),
                                    new Vector3(0, -1, 0),
                                    uvOffsets[(4 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 0, z + 1),
                                    new Vector3(0, -1, 0),
                                    uvOffsets[(5 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 0, z + 0),
                                    new Vector3(0, -1, 0),
                                    uvOffsets[(7 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 0, z + 0),
                                    new Vector3(0, -1, 0),
                                    uvOffsets[(6 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Back, _manager, globalX, globalY, globalZ)),
                                    0));
                        }

                        ushort           westBlock          = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x - 1, y, z));
                        IBlockDefinition westBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(westBlock);

                        // West
                        if (westBlock == 0 || (!westBlockDefintion.IsSolidWall(Wall.Right) && westBlock != block))
                        {
                            textureOffset = new Vector2(
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);


                            int rotation = -blockDefinition.GetTextureRotation(Wall.Left, _manager, globalX, globalY, globalZ);

                            int localOffset = vertices.Count;
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 1, z + 0),
                                    new Vector3(-1, 0, 0),
                                    uvOffsets[(7 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 1, z + 1),
                                    new Vector3(-1, 0, 0),
                                    uvOffsets[(4 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 0, z + 0),
                                    new Vector3(-1, 0, 0),
                                    uvOffsets[(6 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 0, y + 0, z + 1),
                                    new Vector3(-1, 0, 0),
                                    uvOffsets[(5 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Left, _manager, globalX, globalY, globalZ)),
                                    0));
                        }

                        ushort           eastBlock          = _manager.GetBlock((ChunkPosition.Value * Chunk.CHUNKSIZE) + new Index3(x + 1, y, z));
                        IBlockDefinition eastBlockDefintion = (IBlockDefinition)definitionManager.GetDefinitionByIndex(eastBlock);

                        // Ost
                        if (eastBlock == 0 || (!eastBlockDefintion.IsSolidWall(Wall.Left) && eastBlock != block))
                        {
                            textureOffset = new Vector2(
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)) % textureColumns) * textureWidth) + textureGap,
                                (((textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)) / textureColumns) * textureWidth) + textureGap);


                            int rotation = -blockDefinition.GetTextureRotation(Wall.Right, _manager, globalX, globalY, globalZ);

                            int localOffset = vertices.Count;
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 1, z + 1),
                                    new Vector3(1, 0, 0),
                                    uvOffsets[(5 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 1, z + 0),
                                    new Vector3(1, 0, 0),
                                    uvOffsets[(6 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 0, z + 1),
                                    new Vector3(1, 0, 0),
                                    uvOffsets[(4 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
                                    0));
                            vertices.Add(
                                new VertexPositionNormalTextureLight(
                                    new Vector3(x + 1, y + 0, z + 0),
                                    new Vector3(1, 0, 0),
                                    uvOffsets[(7 + rotation) % 4],
                                    (byte)(textureIndex + blockDefinition.GetTextureIndex(Wall.Right, _manager, globalX, globalY, globalZ)),
                                    0));
                        }
                    }
                }
            }

            vertexCount = vertices.Count;
            indexCount  = vertices.Count * 6 / 4;

            if (vertexCount > 0)
            {
                Dispatch(() =>
                {
                    if (vb == null || ib == null)
                    {
                        vb = new VertexBuffer(graphicsDevice, VertexPositionNormalTextureLight.VertexDeclaration, vertexCount + 2);
                    }
                    if (vertexCount + 2 > vb.VertexCount)
                    {
                        vb.Resize(vertexCount + 2);
                    }


                    vb.SetData(vertices.ToArray());
                });
            }

            lock (this)
            {
                if (chunk != null && chunk.Index != ChunkPosition)
                {
                    return(loaded);
                }

                loaded       = true;
                NeedsUpdate |= chunk != this.chunk;
                return(!NeedsUpdate);
            }
        }
Exemple #3
0
        /// <summary>
        /// Serialisiert die Chunksäule in den angegebenen Stream.
        /// </summary>
        /// <param name="writer">Zielschreiber</param>
        /// <param name="definitionManager">Der verwendete DefinitionManager</param>
        public void Serialize(BinaryWriter writer, IDefinitionManager definitionManager)
        {
            // Definitionen sammeln
            List <IBlockDefinition> definitions = new List <IBlockDefinition>();

            for (int c = 0; c < Chunks.Length; c++)
            {
                IChunk chunk = Chunks[c];
                for (int i = 0; i < chunk.Blocks.Length; i++)
                {
                    if (chunk.Blocks[i] != 0)
                    {
                        IBlockDefinition definition = (IBlockDefinition)definitionManager.GetDefinitionByIndex(chunk.Blocks[i]);
                        if (!definitions.Contains(definition))
                        {
                            definitions.Add(definition);
                        }
                    }
                }
            }

            bool longIndex = definitions.Count > 254;

            writer.Write((byte)((longIndex) ? 1 : 0));

            // Schreibe Phase 1 (Column Meta: Heightmap, populated, chunkcount)
            writer.Write((byte)Chunks.Length); // Chunk Count
            writer.Write(Populated);           // Populated
            writer.Write(Index.X);
            writer.Write(Index.Y);
            writer.Write(Planet);

            for (int y = 0; y < Chunk.CHUNKSIZE_Y; y++) // Heightmap
            {
                for (int x = 0; x < Chunk.CHUNKSIZE_X; x++)
                {
                    writer.Write((ushort)Heights[x, y]);
                }
            }

            for (int i = 0; i < Chunks.Length; i++) // Change Counter
            {
                writer.Write(Chunks[i].ChangeCounter);
            }

            // Schreibe Phase 2 (Block Definitionen)
            if (longIndex)
            {
                writer.Write((ushort)definitions.Count);
            }
            else
            {
                writer.Write((byte)definitions.Count);
            }

            foreach (var definition in definitions)
            {
                writer.Write(definition.GetType().FullName);
            }

            // Schreibe Phase 3 (Chunk Infos)
            for (int c = 0; c < Chunks.Length; c++)
            {
                IChunk chunk = Chunks[c];
                for (int i = 0; i < chunk.Blocks.Length; i++)
                {
                    if (chunk.Blocks[i] == 0)
                    {
                        // Definition Index (Air)
                        if (longIndex)
                        {
                            writer.Write((ushort)0);
                        }
                        else
                        {
                            writer.Write((byte)0);
                        }
                    }
                    else
                    {
                        // Definition Index
                        IBlockDefinition definition = (IBlockDefinition)definitionManager.GetDefinitionByIndex(chunk.Blocks[i]);

                        if (longIndex)
                        {
                            writer.Write((ushort)(definitions.IndexOf(definition) + 1));
                        }
                        else
                        {
                            writer.Write((byte)(definitions.IndexOf(definition) + 1));
                        }

                        // Meta Data
                        if (definition.HasMetaData)
                        {
                            writer.Write(chunk.MetaData[i]);
                        }
                    }
                }
            }

            //Entities schreiben
            writer.Write(Entities.Count);
            foreach (var entity in Entities)
            {
                using (MemoryStream memorystream = new MemoryStream())
                {
                    writer.Write(entity.GetType().AssemblyQualifiedName);

                    using (BinaryWriter componentbinarystream = new BinaryWriter(memorystream))
                    {
                        try
                        {
                            entity.Serialize(componentbinarystream, definitionManager);
                            writer.Write((int)memorystream.Length);
                            memorystream.WriteTo(writer.BaseStream);
                        }
                        catch (Exception)
                        {
                            writer.Write(0);
                            //throw;
                        }
                    }
                }
            }
        }