Exemplo n.º 1
0
        static unsafe void WriteChunkData(YamlWriter writer, EntityManager entityManager, NativeArray <EntityRemapUtility.EntityRemapInfo> entityRemapInfos, Chunk *initialChunk, Archetype *archetype, int archetypeIndex, bool dumpChunkRawData)
        {
            var    tempChunkMem = stackalloc byte[Chunk.kChunkSize];
            Chunk *tempChunk    = (Chunk *)tempChunkMem;

            if (dumpChunkRawData)
            {
                UnsafeUtility.MemCpy(tempChunk, initialChunk, Chunk.kChunkSize);

                byte *tempChunkBuffer = tempChunk->Buffer;

                BufferHeader.PatchAfterCloningChunk(tempChunk);
                EntityRemapUtility.PatchEntities(archetype->ScalarEntityPatches, archetype->ScalarEntityPatchCount, archetype->BufferEntityPatches, archetype->BufferEntityPatchCount, tempChunkBuffer, tempChunk->Count, ref entityRemapInfos);
                ClearChunkHeaderComponents(tempChunk);
                ChunkDataUtility.MemsetUnusedChunkData(tempChunk, 0);

                tempChunk->Archetype = (Archetype *)archetypeIndex;
            }

            using (writer.WriteCollection(k_ChunkDataCollectionTag))
            {
                using (writer.WriteCollection("Header"))
                {
                    WriteEntity(writer, nameof(Chunk.metaChunkEntity), initialChunk->metaChunkEntity);
                    writer.WriteKeyValue(nameof(Chunk.Capacity), initialChunk->Capacity);
                    writer.WriteKeyValue(nameof(Chunk.Count), initialChunk->Count);

                    if (dumpChunkRawData)
                    {
                        writer.WriteFormattedBinaryData("Header-RawData", tempChunk, Chunk.kBufferOffset);
                    }
                }

                // First pass to sort by component type
                var entitiesByChunkIndex   = new Dictionary <int, Entity>();
                var componentDataList      = new List <int>();
                var chunkComponentDataList = new List <int>();
                var chunkTypes             = archetype->Types;
                for (int typeI = 0; typeI < archetype->TypesCount; typeI++)
                {
                    var componentType         = &chunkTypes[typeI];
                    var type                  = TypeManager.GetType(componentType->TypeIndex);
                    ref readonly var typeInfo = ref TypeManager.GetTypeInfo(componentType->TypeIndex);
Exemplo n.º 2
0
        public static unsafe void SerializeWorld(EntityManager entityManager, BinaryWriter writer, out int[] sharedComponentsToSerialize, NativeArray <EntityRemapUtility.EntityRemapInfo> entityRemapInfos)
        {
            Dictionary <EntityArchetype, int> dictionary;

            EntityArchetype[] archetypeArray;
            writer.Write(CurrentFileFormatVersion);
            GetAllArchetypes(entityManager.ArchetypeManager, out dictionary, out archetypeArray);
            HashSet <int> source = new HashSet <int>();

            EntityArchetype[] archetypeArray2 = archetypeArray;
            int index = 0;

            while (index < archetypeArray2.Length)
            {
                EntityArchetype archetype = archetypeArray2[index];
                int             num4      = 0;
                while (true)
                {
                    if (num4 >= archetype.Archetype.TypesCount)
                    {
                        index++;
                        break;
                    }
                    source.Add(archetype.Archetype.Types[num4].TypeIndex);
                    num4++;
                }
            }
            var typeArray = (from t in source.Select(delegate(int index) {
                Type type = TypeManager.GetType(index);
                string assemblyQualifiedName = TypeManager.GetType(index).AssemblyQualifiedName;
                return(new {
                    index = index,
                    type = type,
                    name = assemblyQualifiedName,
                    hash = TypeManager.GetTypeInfo(index).FastEqualityTypeInfo.Hash,
                    asciiName = Encoding.ASCII.GetBytes(assemblyQualifiedName)
                });
            })
                             orderby t.name
                             select t).ToArray();
            int num = typeArray.Sum(t => t.asciiName.Length + 1);

            writer.Write(typeArray.Length);
            foreach (var type in typeArray)
            {
                writer.Write(type.hash);
            }
            writer.Write(num);
            foreach (var type2 in typeArray)
            {
                writer.Write(type2.asciiName);
                writer.Write((byte)0);
            }
            Dictionary <int, int> typeIndexMap = new Dictionary <int, int>();
            int num7 = 0;

            while (true)
            {
                if (num7 >= typeArray.Length)
                {
                    WriteArchetypes(writer, archetypeArray, typeIndexMap);
                    NativeList <BufferPatchRecord> data = new NativeList <BufferPatchRecord>(0x80, Allocator.Temp);
                    int num2 = GenerateRemapInfo(entityManager, archetypeArray, entityRemapInfos);
                    writer.Write(num2);
                    Chunk *chunk = (Chunk *)UnsafeUtility.Malloc(0x3f00L, 0x10, Allocator.Temp);
                    Dictionary <int, int> dictionary3 = new Dictionary <int, int>();
                    int num8 = 0;
                    while (true)
                    {
                        if (num8 >= archetypeArray.Length)
                        {
                            data.Dispose();
                            UnsafeUtility.Free((void *)chunk, Allocator.Temp);
                            sharedComponentsToSerialize = new int[dictionary3.Count];
                            foreach (KeyValuePair <int, int> pair in dictionary3)
                            {
                                sharedComponentsToSerialize[pair.Value - 1] = pair.Key;
                            }
                            return;
                        }
                        Archetype *archetype = archetypeArray[num8].Archetype;
                        Chunk *    begin     = (Chunk *)archetype->ChunkList.Begin;
                        while (true)
                        {
                            if (begin == archetype->ChunkList.End)
                            {
                                num8++;
                                break;
                            }
                            data.Clear();
                            UnsafeUtility.MemCpy((void *)chunk, (void *)begin, 0x3f00L);
                            chunk->SharedComponentValueArray = (int *)(chunk + Chunk.GetSharedComponentOffset(archetype->NumSharedComponents));
                            byte *numPtr = &chunk->Buffer.FixedElementField;
                            EntityRemapUtility.PatchEntities(archetype->ScalarEntityPatches, archetype->ScalarEntityPatchCount, archetype->BufferEntityPatches, archetype->BufferEntityPatchCount, numPtr, chunk->Count, ref entityRemapInfos);
                            int num9 = 0;
                            while (true)
                            {
                                if (num9 >= archetype->TypesCount)
                                {
                                    ClearUnusedChunkData(chunk);
                                    chunk->ChunkListNode.Next = null;
                                    chunk->ChunkListNode.Prev = null;
                                    chunk->ChunkListWithEmptySlotsNode.Next = null;
                                    chunk->ChunkListWithEmptySlotsNode.Prev = null;
                                    chunk->Archetype = (Archetype *)num8;
                                    if (archetype->NumManagedArrays != 0)
                                    {
                                        throw new ArgumentException("Serialization of GameObject components is not supported for pure entity scenes");
                                    }
                                    int num15 = 0;
                                    while (true)
                                    {
                                        if (num15 == archetype->NumSharedComponents)
                                        {
                                            writer.WriteBytes((void *)chunk, 0x3f00);
                                            writer.Write(data.Length);
                                            if (data.Length > 0)
                                            {
                                                writer.WriteList <BufferPatchRecord>(data);
                                                int num18 = 0;
                                                while (true)
                                                {
                                                    if (num18 >= data.Length)
                                                    {
                                                        break;
                                                    }
                                                    BufferPatchRecord record2    = data[num18];
                                                    BufferHeader *    headerPtr2 = (BufferHeader *)ref OffsetFromPointer((void *)&begin->Buffer.FixedElementField, record2.ChunkOffset);
                                                    writer.WriteBytes((void *)headerPtr2->Pointer, record2.AllocSizeBytes);
                                                    num18++;
                                                }
                                            }
                                            begin = (Chunk *)begin->ChunkListNode.Next;
                                            break;
                                        }
                                        int key = chunk->SharedComponentValueArray[num15];
                                        if (chunk->SharedComponentValueArray[num15] != 0)
                                        {
                                            int num17;
                                            if (dictionary3.TryGetValue(key, out num17))
                                            {
                                                chunk->SharedComponentValueArray[num15] = num17;
                                            }
                                            else
                                            {
                                                num17 = dictionary3.Count + 1;
                                                dictionary3.set_Item(key, num17);
                                                chunk->SharedComponentValueArray[num15] = num17;
                                            }
                                        }
                                        num15++;
                                    }
                                    break;
                                }
                                int num10 = archetype->TypeMemoryOrder[num9];
                                if ((archetype->Types + num10).IsBuffer)
                                {
                                    BufferHeader *       headerPtr = (BufferHeader *)OffsetFromPointer((void *)numPtr, archetype->Offsets[num10]);
                                    int                  offset    = archetype->SizeOfs[num10];
                                    int                  count     = begin->Count;
                                    TypeManager.TypeInfo typeInfo  = TypeManager.GetTypeInfo(archetype->Types[num10].TypeIndex);
                                    int                  num14     = 0;
                                    while (true)
                                    {
                                        if (num14 >= count)
                                        {
                                            break;
                                        }
                                        if (headerPtr->Pointer != null)
                                        {
                                            headerPtr->Pointer = null;
                                            BufferPatchRecord element = new BufferPatchRecord {
                                                ChunkOffset    = (int)((long)((headerPtr - numPtr) / 1)),
                                                AllocSizeBytes = typeInfo.ElementSize * headerPtr->Capacity
                                            };
                                            data.Add(element);
                                        }
                                        headerPtr = (BufferHeader *)OffsetFromPointer((void *)headerPtr, offset);
                                        num14++;
                                    }
                                }
                                num9++;
                            }
                        }
                    }
                }
                typeIndexMap.set_Item(typeArray[num7].index, num7);
                num7++;
            }
        }
Exemplo n.º 3
0
        public static unsafe void SerializeWorld(EntityManager entityManager, BinaryWriter writer, out int[] sharedComponentsToSerialize, NativeArray <EntityRemapUtility.EntityRemapInfo> entityRemapInfos)
        {
            writer.Write(CurrentFileFormatVersion);
            var archetypeManager = entityManager.ArchetypeManager;

            Dictionary <EntityArchetype, int> archetypeToIndex;

            EntityArchetype[] archetypeArray;
            GetAllArchetypes(archetypeManager, out archetypeToIndex, out archetypeArray);

            var typeindices = new HashSet <int>();

            foreach (var archetype in archetypeArray)
            {
                for (int iType = 0; iType < archetype.Archetype->TypesCount; ++iType)
                {
                    typeindices.Add(archetype.Archetype->Types[iType].TypeIndex & TypeManager.ClearFlagsMask);
                }
            }

            var typeArray = typeindices.Select(index =>
            {
                var type = TypeManager.GetType(index);
                var name = TypeManager.GetType(index).AssemblyQualifiedName;
                var hash = TypeManager.GetTypeInfo(index).StableTypeHash;
                return(new
                {
                    index,
                    type,
                    name,
                    hash,
                    utf8Name = Encoding.UTF8.GetBytes(name)
                });
            }).OrderBy(t => t.name).ToArray();

            int typeNameBufferSize = typeArray.Sum(t => t.utf8Name.Length + 1);

            writer.Write(typeArray.Length);
            foreach (var n in typeArray)
            {
                writer.Write(n.hash);
            }

            writer.Write(typeNameBufferSize);
            foreach (var n in typeArray)
            {
                writer.Write(n.utf8Name);
                writer.Write((byte)0);
            }

            var typeIndexMap = new Dictionary <int, int>();

            for (int i = 0; i < typeArray.Length; ++i)
            {
                typeIndexMap[typeArray[i].index] = i;
            }

            WriteArchetypes(writer, archetypeArray, typeIndexMap);
            var sharedComponentMapping = GatherSharedComponents(archetypeArray, out var sharedComponentArraysTotalCount);
            var sharedComponentArrays  = new NativeArray <int>(sharedComponentArraysTotalCount, Allocator.Temp);

            FillSharedComponentArrays(sharedComponentArrays, archetypeArray, sharedComponentMapping);
            writer.Write(sharedComponentArrays.Length);
            writer.WriteArray(sharedComponentArrays);
            sharedComponentArrays.Dispose();

            //TODO: ensure chunks are defragged?

            var bufferPatches   = new NativeList <BufferPatchRecord>(128, Allocator.Temp);
            var totalChunkCount = GenerateRemapInfo(entityManager, archetypeArray, entityRemapInfos);

            writer.Write(totalChunkCount);

            GatherAllUsedBlobAssets(archetypeArray, out var blobAssetRefs, out var blobAssets);

            var blobAssetOffsets   = new NativeArray <int>(blobAssets.Length, Allocator.Temp);
            int totalBlobAssetSize = 0;

            int Align16(int x) => (x + 15) & ~15;

            for (int i = 0; i < blobAssets.Length; ++i)
            {
                totalBlobAssetSize += sizeof(BlobAssetHeader);
                blobAssetOffsets[i] = totalBlobAssetSize;
                totalBlobAssetSize += Align16(blobAssets[i].header->Length);
            }

            writer.Write(totalBlobAssetSize);

            var zeroBytes = int4.zero;

            for (int i = 0; i < blobAssets.Length; ++i)
            {
                var             blobAssetLength = blobAssets[i].header->Length;
                BlobAssetHeader header          = new BlobAssetHeader
                {
                    ValidationPtr = null, Allocator = Allocator.None, Length = Align16(blobAssetLength)
                };
                writer.WriteBytes(&header, sizeof(BlobAssetHeader));
                writer.WriteBytes(blobAssets[i].header + 1, blobAssetLength);
                writer.WriteBytes(&zeroBytes, header.Length - blobAssetLength);
            }

            var tempChunk = (Chunk *)UnsafeUtility.Malloc(Chunk.kChunkSize, 16, Allocator.Temp);

            for (int archetypeIndex = 0; archetypeIndex < archetypeArray.Length; ++archetypeIndex)
            {
                var archetype = archetypeArray[archetypeIndex].Archetype;
                for (var ci = 0; ci < archetype->Chunks.Count; ++ci)
                {
                    var chunk = archetype->Chunks.p[ci];
                    bufferPatches.Clear();

                    UnsafeUtility.MemCpy(tempChunk, chunk, Chunk.kChunkSize);
                    tempChunk->metaChunkEntity = EntityRemapUtility.RemapEntity(ref entityRemapInfos, tempChunk->metaChunkEntity);

                    // Prevent patching from touching buffers allocated memory
                    BufferHeader.PatchAfterCloningChunk(tempChunk);

                    byte *tempChunkBuffer = tempChunk->Buffer;
                    EntityRemapUtility.PatchEntities(archetype->ScalarEntityPatches, archetype->ScalarEntityPatchCount, archetype->BufferEntityPatches, archetype->BufferEntityPatchCount, tempChunkBuffer, tempChunk->Count, ref entityRemapInfos);
                    if (archetype->ContainsBlobAssetRefs)
                    {
                        PatchBlobAssetsInChunkBeforeSave(tempChunk, chunk, blobAssetOffsets, blobAssetRefs);
                    }

                    FillPatchRecordsForChunk(chunk, bufferPatches);

                    ClearChunkHeaderComponents(tempChunk);
                    ChunkDataUtility.MemsetUnusedChunkData(tempChunk, 0);
                    tempChunk->Archetype = (Archetype *)archetypeIndex;

                    if (archetype->NumManagedArrays != 0)
                    {
                        throw new ArgumentException("Serialization of GameObject components is not supported for pure entity scenes");
                    }

                    writer.WriteBytes(tempChunk, Chunk.kChunkSize);

                    writer.Write(bufferPatches.Length);

                    if (bufferPatches.Length > 0)
                    {
                        writer.WriteList(bufferPatches);

                        // Write heap backed data for each required patch.
                        // TODO: PERF: Investigate static-only deserialization could manage one block and mark in pointers somehow that they are not indiviual
                        for (int i = 0; i < bufferPatches.Length; ++i)
                        {
                            var patch  = bufferPatches[i];
                            var header = (BufferHeader *)OffsetFromPointer(tempChunk->Buffer, patch.ChunkOffset);
                            writer.WriteBytes(header->Pointer, patch.AllocSizeBytes);
                            BufferHeader.Destroy(header);
                        }
                    }
                }
            }

            blobAssetRefs.Dispose();
            blobAssets.Dispose();

            bufferPatches.Dispose();
            UnsafeUtility.Free(tempChunk, Allocator.Temp);

            sharedComponentsToSerialize = new int[sharedComponentMapping.Count - 1];

            foreach (var i in sharedComponentMapping)
            {
                if (i.Key != 0)
                {
                    sharedComponentsToSerialize[i.Value - 1] = i.Key;
                }
            }
        }
Exemplo n.º 4
0
        public static unsafe void SerializeWorld(EntityManager entityManager, BinaryWriter writer, out int[] sharedComponentsToSerialize)
        {
            writer.Write(CurrentFileFormatVersion);
            var archetypeManager = entityManager.ArchetypeManager;

            Dictionary <EntityArchetype, int> archetypeToIndex;

            EntityArchetype[] archetypeArray;
            GetAllArchetypes(archetypeManager, out archetypeToIndex, out archetypeArray);

            var typeindices = new HashSet <int>();

            foreach (var archetype in archetypeArray)
            {
                for (int iType = 0; iType < archetype.Archetype->TypesCount; ++iType)
                {
                    typeindices.Add(archetype.Archetype->Types[iType].TypeIndex);
                }
            }

            var typeArray = typeindices.Select(index =>
            {
                var type = TypeManager.GetType(index);
                var name = TypeManager.GetType(index).AssemblyQualifiedName;
                var hash = TypeManager.GetTypeInfo(index).FastEqualityTypeInfo.Hash;
                return(new
                {
                    index,
                    type,
                    name,
                    hash,
                    asciiName = Encoding.ASCII.GetBytes(name)
                });
            }).OrderBy(t => t.name).ToArray();

            int typeNameBufferSize = typeArray.Sum(t => t.asciiName.Length + 1);

            writer.Write(typeArray.Length);
            foreach (var n in typeArray)
            {
                writer.Write(n.hash);
            }

            writer.Write(typeNameBufferSize);
            foreach (var n in typeArray)
            {
                writer.Write(n.asciiName);
                writer.Write((byte)0);
            }

            var typeIndexMap = new Dictionary <int, int>();

            for (int i = 0; i < typeArray.Length; ++i)
            {
                typeIndexMap[typeArray[i].index] = i;
            }

            WriteArchetypes(writer, archetypeArray, typeIndexMap);

            //TODO: ensure chunks are defragged?

            NativeArray <EntityRemapUtility.EntityRemapInfo> entityRemapInfos;
            var bufferPatches   = new NativeList <BufferPatchRecord>(128, Allocator.Temp);
            var totalChunkCount = GenerateRemapInfo(entityManager, archetypeArray, out entityRemapInfos);

            writer.Write(totalChunkCount);

            var tempChunk = (Chunk *)UnsafeUtility.Malloc(Chunk.kChunkSize, 16, Allocator.Temp);

            var sharedIndexToSerialize = new Dictionary <int, int>();

            for (int archetypeIndex = 0; archetypeIndex < archetypeArray.Length; ++archetypeIndex)
            {
                var archetype = archetypeArray[archetypeIndex].Archetype;
                for (var c = (Chunk *)archetype->ChunkList.Begin; c != archetype->ChunkList.End; c = (Chunk *)c->ChunkListNode.Next)
                {
                    bufferPatches.Clear();

                    UnsafeUtility.MemCpy(tempChunk, c, Chunk.kChunkSize);
                    tempChunk->SharedComponentValueArray = (int *)((byte *)(tempChunk) + Chunk.GetSharedComponentOffset(archetype->NumSharedComponents));

                    byte *tempChunkBuffer = tempChunk->Buffer;
                    EntityRemapUtility.PatchEntities(archetype->ScalarEntityPatches, archetype->ScalarEntityPatchCount, archetype->BufferEntityPatches, archetype->BufferEntityPatchCount, tempChunkBuffer, tempChunk->Count, ref entityRemapInfos);

                    // Find all buffer pointer locations and work out how much memory the deserializer must allocate on load.
                    for (int ti = 0; ti < archetype->TypesCount; ++ti)
                    {
                        int index = archetype->TypeMemoryOrder[ti];

                        if (!archetype->Types[index].IsBuffer)
                        {
                            continue;
                        }

                        int           subArrayOffset = archetype->Offsets[index];
                        BufferHeader *header         = (BufferHeader *)OffsetFromPointer(tempChunkBuffer, subArrayOffset);
                        int           stride         = archetype->SizeOfs[index];
                        int           count          = c->Count;
                        var           ct             = TypeManager.GetTypeInfo(archetype->Types[index].TypeIndex);

                        for (int bi = 0; bi < count; ++bi)
                        {
                            if (header->Pointer != null)
                            {
                                header->Pointer = null;
                                bufferPatches.Add(new BufferPatchRecord
                                {
                                    ChunkOffset    = (int)(((byte *)header) - (byte *)tempChunkBuffer),
                                    AllocSizeBytes = ct.ElementSize * header->Capacity,
                                });
                            }
                            header = (BufferHeader *)OffsetFromPointer(header, stride);
                        }
                    }

                    ClearUnusedChunkData(tempChunk);
                    tempChunk->ChunkListNode.Next = null;
                    tempChunk->ChunkListNode.Prev = null;
                    tempChunk->ChunkListWithEmptySlotsNode.Next = null;
                    tempChunk->ChunkListWithEmptySlotsNode.Prev = null;
                    tempChunk->Archetype = (Archetype *)archetypeIndex;

                    if (archetype->NumManagedArrays != 0)
                    {
                        throw new ArgumentException("Serialization of GameObject components is not supported for pure entity scenes");
                    }

                    for (int i = 0; i != archetype->NumSharedComponents; i++)
                    {
                        int sharedComponentIndex = tempChunk->SharedComponentValueArray[i];
                        int newIndex;

                        if (tempChunk->SharedComponentValueArray[i] != 0)
                        {
                            if (sharedIndexToSerialize.TryGetValue(sharedComponentIndex, out newIndex))
                            {
                                tempChunk->SharedComponentValueArray[i] = newIndex;
                            }
                            else
                            {
                                // 0 is reserved for null types in shared components
                                newIndex = sharedIndexToSerialize.Count + 1;
                                sharedIndexToSerialize[sharedComponentIndex] = newIndex;

                                tempChunk->SharedComponentValueArray[i] = newIndex;
                            }
                        }
                    }

                    writer.WriteBytes(tempChunk, Chunk.kChunkSize);

                    writer.Write(bufferPatches.Length);

                    if (bufferPatches.Length > 0)
                    {
                        writer.WriteList(bufferPatches);

                        // Write heap backed data for each required patch.
                        // TODO: PERF: Investigate static-only deserialization could manage one block and mark in pointers somehow that they are not indiviual
                        for (int i = 0; i < bufferPatches.Length; ++i)
                        {
                            var patch = bufferPatches[i];
                            // NOTE that this reads the pointer from the original, unpatched chunk.
                            // We have nulled out the pointer in the serialized data above.
                            var header = (BufferHeader *)OffsetFromPointer(c->Buffer, patch.ChunkOffset);
                            writer.WriteBytes(header->Pointer, patch.AllocSizeBytes);
                        }
                    }
                }
            }

            bufferPatches.Dispose();
            entityRemapInfos.Dispose();
            UnsafeUtility.Free(tempChunk, Allocator.Temp);

            sharedComponentsToSerialize = new int[sharedIndexToSerialize.Count];

            foreach (var i in sharedIndexToSerialize)
            {
                sharedComponentsToSerialize[i.Value - 1] = i.Key;
            }
        }
Exemplo n.º 5
0
        public static unsafe void SerializeWorld(EntityManager entityManager, BinaryWriter writer, out int[] sharedComponentsToSerialize, NativeArray <EntityRemapUtility.EntityRemapInfo> entityRemapInfos)
        {
            writer.Write(CurrentFileFormatVersion);
            var entityComponentStore = entityManager.EntityComponentStore;

            NativeHashMap <EntityArchetype, int> archetypeToIndex;

            EntityArchetype[] archetypeArray;
            GetAllArchetypes(entityComponentStore, out archetypeToIndex, out archetypeArray);

            var typeHashes = new NativeHashMap <ulong, int>(1024, Allocator.Temp);

            foreach (var archetype in archetypeArray)
            {
                for (int iType = 0; iType < archetype.Archetype->TypesCount; ++iType)
                {
                    var typeIndex = archetype.Archetype->Types[iType].TypeIndex;
                    var ti        = TypeManager.GetTypeInfo(typeIndex);
                    var hash      = ti.StableTypeHash;
                    typeHashes.TryAdd(hash, 0);
                }
            }
            var typeHashSet = typeHashes.GetKeyArray(Allocator.Temp);

            writer.Write(typeHashSet.Length);
            foreach (ulong hash in typeHashSet)
            {
                writer.Write(hash);
            }

            var typeHashToIndexMap = new NativeHashMap <ulong, int>(typeHashSet.Length, Allocator.Temp);

            for (int i = 0; i < typeHashes.Length; ++i)
            {
                typeHashToIndexMap.TryAdd(typeHashSet[i], i);
            }

            WriteArchetypes(writer, archetypeArray, typeHashToIndexMap);
            var sharedComponentMapping = GatherSharedComponents(archetypeArray, out var sharedComponentArraysTotalCount);
            var sharedComponentArrays  = new NativeArray <int>(sharedComponentArraysTotalCount, Allocator.Temp);

            FillSharedComponentArrays(sharedComponentArrays, archetypeArray, sharedComponentMapping);
            writer.Write(sharedComponentArrays.Length);
            writer.WriteArray(sharedComponentArrays);
            sharedComponentArrays.Dispose();

            //TODO: ensure chunks are defragged?

            var bufferPatches   = new NativeList <BufferPatchRecord>(128, Allocator.Temp);
            var totalChunkCount = GenerateRemapInfo(entityManager, archetypeArray, entityRemapInfos);

            writer.Write(totalChunkCount);

            GatherAllUsedBlobAssets(archetypeArray, out var blobAssetRefs, out var blobAssets);

            var blobAssetOffsets   = new NativeArray <int>(blobAssets.Length, Allocator.Temp);
            int totalBlobAssetSize = 0;

            int Align16(int x) => (x + 15) & ~15;

            for (int i = 0; i < blobAssets.Length; ++i)
            {
                totalBlobAssetSize += sizeof(BlobAssetHeader);
                blobAssetOffsets[i] = totalBlobAssetSize;
                totalBlobAssetSize += Align16(blobAssets[i].header->Length);
            }

            writer.Write(totalBlobAssetSize);

            var zeroBytes = int4.zero;

            for (int i = 0; i < blobAssets.Length; ++i)
            {
                var             blobAssetLength = blobAssets[i].header->Length;
                BlobAssetHeader header          = new BlobAssetHeader
                {
                    ValidationPtr = null, Allocator = Allocator.None, Length = Align16(blobAssetLength)
                };
                writer.WriteBytes(&header, sizeof(BlobAssetHeader));
                writer.WriteBytes(blobAssets[i].header + 1, blobAssetLength);
                writer.WriteBytes(&zeroBytes, header.Length - blobAssetLength);
            }

            var tempChunk = (Chunk *)UnsafeUtility.Malloc(Chunk.kChunkSize, 16, Allocator.Temp);

            for (int archetypeIndex = 0; archetypeIndex < archetypeArray.Length; ++archetypeIndex)
            {
                var archetype = archetypeArray[archetypeIndex].Archetype;
                for (var ci = 0; ci < archetype->Chunks.Count; ++ci)
                {
                    var chunk = archetype->Chunks.p[ci];
                    bufferPatches.Clear();

                    UnsafeUtility.MemCpy(tempChunk, chunk, Chunk.kChunkSize);
                    tempChunk->metaChunkEntity = EntityRemapUtility.RemapEntity(ref entityRemapInfos, tempChunk->metaChunkEntity);

                    // Prevent patching from touching buffers allocated memory
                    BufferHeader.PatchAfterCloningChunk(tempChunk);

                    byte *tempChunkBuffer = tempChunk->Buffer;
                    EntityRemapUtility.PatchEntities(archetype->ScalarEntityPatches, archetype->ScalarEntityPatchCount, archetype->BufferEntityPatches, archetype->BufferEntityPatchCount, tempChunkBuffer, tempChunk->Count, ref entityRemapInfos);
                    if (archetype->ContainsBlobAssetRefs)
                    {
                        PatchBlobAssetsInChunkBeforeSave(tempChunk, chunk, blobAssetOffsets, blobAssetRefs);
                    }

                    FillPatchRecordsForChunk(chunk, bufferPatches);

                    ClearChunkHeaderComponents(tempChunk);
                    ChunkDataUtility.MemsetUnusedChunkData(tempChunk, 0);
                    tempChunk->Archetype = (Archetype *)archetypeIndex;

                    if (archetype->NumManagedArrays != 0)
                    {
                        throw new ArgumentException("Serialization of GameObject components is not supported for pure entity scenes");
                    }

                    writer.WriteBytes(tempChunk, Chunk.kChunkSize);

                    writer.Write(bufferPatches.Length);

                    if (bufferPatches.Length > 0)
                    {
                        writer.WriteList(bufferPatches);

                        // Write heap backed data for each required patch.
                        // TODO: PERF: Investigate static-only deserialization could manage one block and mark in pointers somehow that they are not indiviual
                        for (int i = 0; i < bufferPatches.Length; ++i)
                        {
                            var patch  = bufferPatches[i];
                            var header = (BufferHeader *)OffsetFromPointer(tempChunk->Buffer, patch.ChunkOffset);
                            writer.WriteBytes(header->Pointer, patch.AllocSizeBytes);
                            BufferHeader.Destroy(header);
                        }
                    }
                }
            }

            blobAssetRefs.Dispose();
            blobAssets.Dispose();

            bufferPatches.Dispose();
            UnsafeUtility.Free(tempChunk, Allocator.Temp);

            sharedComponentsToSerialize = new int[sharedComponentMapping.Length - 1];

            using (var keyArray = sharedComponentMapping.GetKeyArray(Allocator.Temp))
                foreach (var key in keyArray)
                {
                    if (key == 0)
                    {
                        continue;
                    }

                    if (sharedComponentMapping.TryGetValue(key, out var val))
                    {
                        sharedComponentsToSerialize[val - 1] = key;
                    }
                }

            archetypeToIndex.Dispose();
            typeHashes.Dispose();
            typeHashSet.Dispose();
            typeHashToIndexMap.Dispose();
        }
Exemplo n.º 6
0
        public static unsafe void SerializeWorld(EntityManager entityManager, BinaryWriter writer, out int[] sharedComponentsToSerialize)
        {
            writer.Write(CurrentFileFormatVersion);
            var archetypeManager = entityManager.ArchetypeManager;

            GetAllArchetypes(archetypeManager, out var archetypeToIndex, out var archetypeArray);

            var typeindices = new HashSet <int>();

            foreach (var archetype in archetypeArray)
            {
                for (int iType = 0; iType < archetype.Archetype->TypesCount; ++iType)
                {
                    typeindices.Add(archetype.Archetype->Types[iType].TypeIndex);
                }
            }

            var typeArray = typeindices.Select(index =>
            {
                var type = TypeManager.GetType(index);
                var name = TypeManager.GetType(index).AssemblyQualifiedName;
                return(new
                {
                    index,
                    type,
                    name,
                    asciiName = Encoding.ASCII.GetBytes(name)
                });
            }).OrderBy(t => t.name).ToArray();

            int typeNameBufferSize = typeArray.Sum(t => t.asciiName.Length + 1);

            writer.Write(typeArray.Length);
            writer.Write(typeNameBufferSize);
            foreach (var n in typeArray)
            {
                writer.Write(n.asciiName);
                writer.Write((byte)0);
            }

            var typeIndexMap = new Dictionary <int, int>();

            for (int i = 0; i < typeArray.Length; ++i)
            {
                typeIndexMap[typeArray[i].index] = i;
            }

            WriteArchetypes(writer, archetypeArray, typeIndexMap);

            //TODO: ensure chunks are defragged?

            NativeArray <EntityRemapUtility.EntityRemapInfo> entityRemapInfos;
            var totalChunkCount = GenerateRemapInfo(entityManager, archetypeArray, out entityRemapInfos);

            writer.Write(totalChunkCount);

            var entityPatchInfos = new NativeList <EntityRemapUtility.EntityPatchInfo>(128, Allocator.Temp);
            var tempChunk        = (Chunk *)UnsafeUtility.Malloc(Chunk.kChunkSize, 16, Allocator.Temp);

            var sharedIndexToSerialize = new Dictionary <int, int>();

            for (int archetypeIndex = 0; archetypeIndex < archetypeArray.Length; ++archetypeIndex)
            {
                var archetype = archetypeArray[archetypeIndex].Archetype;
                for (var c = (Chunk *)archetype->ChunkList.Begin; c != archetype->ChunkList.End; c = (Chunk *)c->ChunkListNode.Next)
                {
                    UnsafeUtility.MemCpy(tempChunk, c, Chunk.kChunkSize);

                    entityPatchInfos.Clear();
                    for (var i = 0; i != archetype->TypesCount; ++i)
                    {
                        EntityRemapUtility.AppendEntityPatches(ref entityPatchInfos, TypeManager.GetComponentType(archetype->Types[i].TypeIndex).EntityOffsets, archetype->Offsets[i], archetype->SizeOfs[i]);
                    }

                    EntityRemapUtility.PatchEntities(ref entityPatchInfos, tempChunk->Buffer, tempChunk->Count, ref entityRemapInfos);

                    ClearUnusedChunkData(tempChunk);
                    tempChunk->ChunkListNode.Next = null;
                    tempChunk->ChunkListNode.Prev = null;
                    tempChunk->ChunkListWithEmptySlotsNode.Next = null;
                    tempChunk->ChunkListWithEmptySlotsNode.Prev = null;
                    tempChunk->Archetype = (Archetype *)archetypeIndex;

                    if (archetype->NumManagedArrays != 0)
                    {
                        throw new ArgumentException("Serialization of GameObject components is not supported for pure entity scenes");
                    }

                    for (int i = 0; i != archetype->NumSharedComponents; i++)
                    {
                        int sharedComponentIndex = tempChunk->SharedComponentValueArray[i];
                        int newIndex;

                        if (tempChunk->SharedComponentValueArray[i] != 0)
                        {
                            if (sharedIndexToSerialize.TryGetValue(sharedComponentIndex, out newIndex))
                            {
                                tempChunk->SharedComponentValueArray[i] = newIndex;
                            }
                            else
                            {
                                // 0 is reserved for null types in shared components
                                newIndex = sharedIndexToSerialize.Count + 1;
                                sharedIndexToSerialize[sharedComponentIndex] = newIndex;

                                tempChunk->SharedComponentValueArray[i] = newIndex;
                            }
                        }
                    }

                    writer.WriteBytes(tempChunk, Chunk.kChunkSize);
                }
            }

            entityRemapInfos.Dispose();
            entityPatchInfos.Dispose();
            UnsafeUtility.Free(tempChunk, Allocator.Temp);

            sharedComponentsToSerialize = new int[sharedIndexToSerialize.Count];

            foreach (var i in sharedIndexToSerialize)
            {
                sharedComponentsToSerialize[i.Value - 1] = i.Key;
            }
        }