Examples with BlockEntity com.viaversion.viaversion.api.minecraft.blockentity.BlockEntity used on opensource projects

Example 1 with BlockEntity

use of com.viaversion.viaversion.api.minecraft.blockentity.BlockEntity in project ViaVersion by ViaVersion.

the class Chunk1_18Type method write.

@Override
public void write(final ByteBuf buffer, final Chunk chunk) throws Exception {
    buffer.writeInt(chunk.getX());
    buffer.writeInt(chunk.getZ());
    Type.NBT.write(buffer, chunk.getHeightMap());
    final ByteBuf sectionBuffer = buffer.alloc().buffer();
    try {
        for (final ChunkSection section : chunk.getSections()) {
            sectionType.write(sectionBuffer, section);
        }
        sectionBuffer.readerIndex(0);
        Type.VAR_INT.writePrimitive(buffer, sectionBuffer.readableBytes());
        buffer.writeBytes(sectionBuffer);
    } finally {
        // release buffer
        sectionBuffer.release();
    }
    Type.VAR_INT.writePrimitive(buffer, chunk.blockEntities().size());
    for (final BlockEntity blockEntity : chunk.blockEntities()) {
        Types1_18.BLOCK_ENTITY.write(buffer, blockEntity);
    }
}

Example 2 with BlockEntity

use of com.viaversion.viaversion.api.minecraft.blockentity.BlockEntity in project ViaVersion by ViaVersion.

the class Chunk1_18Type method read.

@Override
public Chunk read(final ByteBuf buffer) throws Exception {
    final int chunkX = buffer.readInt();
    final int chunkZ = buffer.readInt();
    final CompoundTag heightMap = Type.NBT.read(buffer);
    // Read sections
    final ByteBuf sectionsBuf = buffer.readBytes(Type.VAR_INT.readPrimitive(buffer));
    final ChunkSection[] sections = new ChunkSection[ySectionCount];
    try {
        for (int i = 0; i < ySectionCount; i++) {
            sections[i] = sectionType.read(sectionsBuf);
        }
    } finally {
        if (sectionsBuf.readableBytes() > 0 && Via.getManager().isDebug()) {
            Via.getPlatform().getLogger().warning("Found " + sectionsBuf.readableBytes() + " more bytes than expected while reading the chunk: " + chunkX + "/" + chunkZ);
        }
        sectionsBuf.release();
    }
    final int blockEntitiesLength = Type.VAR_INT.readPrimitive(buffer);
    final List<BlockEntity> blockEntities = new ArrayList<>(blockEntitiesLength);
    for (int i = 0; i < blockEntitiesLength; i++) {
        blockEntities.add(Types1_18.BLOCK_ENTITY.read(buffer));
    }
    return new Chunk1_18(chunkX, chunkZ, sections, heightMap, blockEntities);
}

Example 3 with BlockEntity

use of com.viaversion.viaversion.api.minecraft.blockentity.BlockEntity in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_18 method registerPackets.

@Override
protected void registerPackets() {
    new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_18.DECLARE_RECIPES);
    registerSetCooldown(ClientboundPackets1_18.COOLDOWN);
    registerWindowItems1_17_1(ClientboundPackets1_18.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, Type.FLAT_VAR_INT_ITEM);
    registerSetSlot1_17_1(ClientboundPackets1_18.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerEntityEquipmentArray(ClientboundPackets1_18.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
    registerTradeList(ClientboundPackets1_18.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_18.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    registerClickWindow1_17_1(ServerboundPackets1_17.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
    protocol.registerClientbound(ClientboundPackets1_18.EFFECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Effect id
            map(Type.INT);
            // Location
            map(Type.POSITION1_14);
            // Data
            map(Type.INT);
            handler(wrapper -> {
                int id = wrapper.get(Type.INT, 0);
                int data = wrapper.get(Type.INT, 1);
                if (id == 1010) {
                    // Play record
                    wrapper.set(Type.INT, 1, protocol.getMappingData().getNewItemId(data));
                }
            });
        }
    });
    registerCreativeInvAction(ServerboundPackets1_17.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    protocol.registerClientbound(ClientboundPackets1_18.SPAWN_PARTICLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Particle id
            map(Type.INT);
            // Override limiter
            map(Type.BOOLEAN);
            // X
            map(Type.DOUBLE);
            // Y
            map(Type.DOUBLE);
            // Z
            map(Type.DOUBLE);
            // Offset X
            map(Type.FLOAT);
            // Offset Y
            map(Type.FLOAT);
            // Offset Z
            map(Type.FLOAT);
            // Max speed
            map(Type.FLOAT);
            // Particle Count
            map(Type.INT);
            handler(wrapper -> {
                int id = wrapper.get(Type.INT, 0);
                if (id == 3) {
                    // Block marker
                    int blockState = wrapper.read(Type.VAR_INT);
                    if (blockState == 7786) {
                        // Light block
                        wrapper.set(Type.INT, 0, 3);
                    } else {
                        // Else assume barrier block
                        wrapper.set(Type.INT, 0, 2);
                    }
                    return;
                }
                ParticleMappings mappings = protocol.getMappingData().getParticleMappings();
                if (mappings.isBlockParticle(id)) {
                    int data = wrapper.passthrough(Type.VAR_INT);
                    wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(data));
                } else if (mappings.isItemParticle(id)) {
                    handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
                }
                int newId = protocol.getMappingData().getNewParticleId(id);
                if (newId != id) {
                    wrapper.set(Type.INT, 0, newId);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_18.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14);
            handler(wrapper -> {
                final int id = wrapper.read(Type.VAR_INT);
                final CompoundTag tag = wrapper.read(Type.NBT);
                final int mappedId = BlockEntityIds.mappedId(id);
                if (mappedId == -1) {
                    wrapper.cancel();
                    return;
                }
                final String identifier = protocol.getMappingData().blockEntities().get(id);
                if (identifier == null) {
                    wrapper.cancel();
                    return;
                }
                // The 1.18 server doesn't include the id and positions (x, y, z) in the NBT anymore
                // If those were the only fields on the block entity (e.g.: skull, bed), we'll receive a null NBT
                // We initialize one and add the missing fields, so it can be handled correctly down the line
                final CompoundTag newTag = tag == null ? new CompoundTag() : tag;
                final Position pos = wrapper.get(Type.POSITION1_14, 0);
                // The protocol converters downstream rely on this field, let's add it back
                newTag.put("id", new StringTag("minecraft:" + identifier));
                // Weird glitches happen with the 1.17 client and below if these fields are missing
                // Some examples are block entity models becoming invisible (e.g.: signs, banners)
                newTag.put("x", new IntTag(pos.x()));
                newTag.put("y", new IntTag(pos.y()));
                newTag.put("z", new IntTag(pos.z()));
                handleSpawner(id, newTag);
                wrapper.write(Type.UNSIGNED_BYTE, (short) mappedId);
                wrapper.write(Type.NBT, newTag);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_18.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                final EntityTracker tracker = protocol.getEntityRewriter().tracker(wrapper.user());
                final Chunk1_18Type chunkType = new Chunk1_18Type(tracker.currentWorldSectionHeight(), MathUtil.ceilLog2(protocol.getMappingData().getBlockStateMappings().size()), MathUtil.ceilLog2(tracker.biomesSent()));
                final Chunk oldChunk = wrapper.read(chunkType);
                final ChunkSection[] sections = oldChunk.getSections();
                final BitSet mask = new BitSet(oldChunk.getSections().length);
                final int[] biomeData = new int[sections.length * ChunkSection.BIOME_SIZE];
                int biomeIndex = 0;
                for (int j = 0; j < sections.length; j++) {
                    final ChunkSection section = sections[j];
                    // Write biome palette into biome array
                    final DataPalette biomePalette = section.palette(PaletteType.BIOMES);
                    for (int i = 0; i < ChunkSection.BIOME_SIZE; i++) {
                        biomeData[biomeIndex++] = biomePalette.idAt(i);
                    }
                    // Rewrite to empty section
                    if (section.getNonAirBlocksCount() == 0) {
                        sections[j] = null;
                    } else {
                        mask.set(j);
                    }
                }
                final List<CompoundTag> blockEntityTags = new ArrayList<>(oldChunk.blockEntities().size());
                for (final BlockEntity blockEntity : oldChunk.blockEntities()) {
                    final String id = protocol.getMappingData().blockEntities().get(blockEntity.typeId());
                    if (id == null) {
                        // Shrug
                        continue;
                    }
                    final CompoundTag tag;
                    if (blockEntity.tag() != null) {
                        tag = blockEntity.tag();
                        handleSpawner(blockEntity.typeId(), tag);
                    } else {
                        tag = new CompoundTag();
                    }
                    blockEntityTags.add(tag);
                    tag.put("x", new IntTag((oldChunk.getX() << 4) + blockEntity.sectionX()));
                    tag.put("y", new IntTag(blockEntity.y()));
                    tag.put("z", new IntTag((oldChunk.getZ() << 4) + blockEntity.sectionZ()));
                    tag.put("id", new StringTag("minecraft:" + id));
                }
                final Chunk chunk = new BaseChunk(oldChunk.getX(), oldChunk.getZ(), true, false, mask, oldChunk.getSections(), biomeData, oldChunk.getHeightMap(), blockEntityTags);
                wrapper.write(new Chunk1_17Type(tracker.currentWorldSectionHeight()), chunk);
                // Create and send light packet first
                final PacketWrapper lightPacket = wrapper.create(ClientboundPackets1_17_1.UPDATE_LIGHT);
                lightPacket.write(Type.VAR_INT, chunk.getX());
                lightPacket.write(Type.VAR_INT, chunk.getZ());
                // Trust edges
                lightPacket.write(Type.BOOLEAN, wrapper.read(Type.BOOLEAN));
                // Sky light mask
                lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
                // Block light mask
                lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
                // Empty sky light mask
                lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
                // Empty block light mask
                lightPacket.write(Type.LONG_ARRAY_PRIMITIVE, wrapper.read(Type.LONG_ARRAY_PRIMITIVE));
                final int skyLightLength = wrapper.read(Type.VAR_INT);
                lightPacket.write(Type.VAR_INT, skyLightLength);
                for (int i = 0; i < skyLightLength; i++) {
                    lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
                }
                final int blockLightLength = wrapper.read(Type.VAR_INT);
                lightPacket.write(Type.VAR_INT, blockLightLength);
                for (int i = 0; i < blockLightLength; i++) {
                    lightPacket.write(Type.BYTE_ARRAY_PRIMITIVE, wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
                }
                lightPacket.send(Protocol1_17_1To1_18.class);
            });
        }
    });
    protocol.cancelClientbound(ClientboundPackets1_18.SET_SIMULATION_DISTANCE);
}

Example 4 with BlockEntity

use of com.viaversion.viaversion.api.minecraft.blockentity.BlockEntity in project ViaVersion by ViaVersion.

the class WorldPackets method register.

public static void register(final Protocol1_18To1_17_1 protocol) {
    protocol.registerClientbound(ClientboundPackets1_17_1.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14);
            handler(wrapper -> {
                final short id = wrapper.read(Type.UNSIGNED_BYTE);
                final int newId = BlockEntityIds.newId(id);
                wrapper.write(Type.VAR_INT, newId);
                handleSpawners(newId, wrapper.passthrough(Type.NBT));
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17_1.UPDATE_LIGHT, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                final int chunkX = wrapper.passthrough(Type.VAR_INT);
                final int chunkZ = wrapper.passthrough(Type.VAR_INT);
                if (wrapper.user().get(ChunkLightStorage.class).isLoaded(chunkX, chunkZ)) {
                    if (!Via.getConfig().cache1_17Light()) {
                        // Light packets updating already sent chunks are the same as before
                        return;
                    }
                // Pass through and cache light data
                } else {
                    // Cancel and cache the light data
                    wrapper.cancel();
                }
                final boolean trustEdges = wrapper.passthrough(Type.BOOLEAN);
                final long[] skyLightMask = wrapper.passthrough(Type.LONG_ARRAY_PRIMITIVE);
                final long[] blockLightMask = wrapper.passthrough(Type.LONG_ARRAY_PRIMITIVE);
                final long[] emptySkyLightMask = wrapper.passthrough(Type.LONG_ARRAY_PRIMITIVE);
                final long[] emptyBlockLightMask = wrapper.passthrough(Type.LONG_ARRAY_PRIMITIVE);
                final int skyLightLenght = wrapper.passthrough(Type.VAR_INT);
                final byte[][] skyLight = new byte[skyLightLenght][];
                for (int i = 0; i < skyLightLenght; i++) {
                    skyLight[i] = wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE);
                }
                final int blockLightLength = wrapper.passthrough(Type.VAR_INT);
                final byte[][] blockLight = new byte[blockLightLength][];
                for (int i = 0; i < blockLightLength; i++) {
                    blockLight[i] = wrapper.passthrough(Type.BYTE_ARRAY_PRIMITIVE);
                }
                final ChunkLightStorage lightStorage = wrapper.user().get(ChunkLightStorage.class);
                lightStorage.storeLight(chunkX, chunkZ, new ChunkLightStorage.ChunkLight(trustEdges, skyLightMask, blockLightMask, emptySkyLightMask, emptyBlockLightMask, skyLight, blockLight));
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17_1.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                final EntityTracker tracker = protocol.getEntityRewriter().tracker(wrapper.user());
                final Chunk oldChunk = wrapper.read(new Chunk1_17Type(tracker.currentWorldSectionHeight()));
                final List<BlockEntity> blockEntities = new ArrayList<>(oldChunk.getBlockEntities().size());
                for (final CompoundTag tag : oldChunk.getBlockEntities()) {
                    final NumberTag xTag = tag.get("x");
                    final NumberTag yTag = tag.get("y");
                    final NumberTag zTag = tag.get("z");
                    final StringTag idTag = tag.get("id");
                    if (xTag == null || yTag == null || zTag == null || idTag == null) {
                        continue;
                    }
                    final String id = idTag.getValue();
                    final int typeId = protocol.getMappingData().blockEntityIds().getInt(id.replace("minecraft:", ""));
                    if (typeId == -1) {
                        Via.getPlatform().getLogger().warning("Unknown block entity: " + id);
                    }
                    handleSpawners(typeId, tag);
                    final byte packedXZ = (byte) ((xTag.asInt() & 15) << 4 | (zTag.asInt() & 15));
                    blockEntities.add(new BlockEntityImpl(packedXZ, yTag.asShort(), typeId, tag));
                }
                final int[] biomeData = oldChunk.getBiomeData();
                final ChunkSection[] sections = oldChunk.getSections();
                for (int i = 0; i < sections.length; i++) {
                    ChunkSection section = sections[i];
                    if (section == null) {
                        // There's no section mask anymore
                        section = new ChunkSectionImpl();
                        sections[i] = section;
                        section.setNonAirBlocksCount(0);
                        final DataPaletteImpl blockPalette = new DataPaletteImpl(ChunkSection.SIZE);
                        blockPalette.addId(0);
                        section.addPalette(PaletteType.BLOCKS, blockPalette);
                    }
                    // Fill biome palette
                    final DataPaletteImpl biomePalette = new DataPaletteImpl(ChunkSection.BIOME_SIZE);
                    section.addPalette(PaletteType.BIOMES, biomePalette);
                    final int offset = i * ChunkSection.BIOME_SIZE;
                    for (int biomeIndex = 0, biomeArrayIndex = offset; biomeIndex < ChunkSection.BIOME_SIZE; biomeIndex++, biomeArrayIndex++) {
                        // Also catch invalid biomes with id -1
                        final int biome = biomeData[biomeArrayIndex];
                        biomePalette.setIdAt(biomeIndex, biome != -1 ? biome : 0);
                    }
                }
                final Chunk chunk = new Chunk1_18(oldChunk.getX(), oldChunk.getZ(), sections, oldChunk.getHeightMap(), blockEntities);
                wrapper.write(new Chunk1_18Type(tracker.currentWorldSectionHeight(), MathUtil.ceilLog2(protocol.getMappingData().getBlockStateMappings().mappedSize()), MathUtil.ceilLog2(tracker.biomesSent())), chunk);
                final ChunkLightStorage lightStorage = wrapper.user().get(ChunkLightStorage.class);
                final boolean alreadyLoaded = !lightStorage.addLoadedChunk(chunk.getX(), chunk.getZ());
                // Append light data to chunk packet
                final ChunkLightStorage.ChunkLight light = Via.getConfig().cache1_17Light() ? lightStorage.getLight(chunk.getX(), chunk.getZ()) : lightStorage.removeLight(chunk.getX(), chunk.getZ());
                if (light == null) {
                    Via.getPlatform().getLogger().warning("No light data found for chunk at " + chunk.getX() + ", " + chunk.getZ() + ". Chunk was already loaded: " + alreadyLoaded);
                    final BitSet emptyLightMask = new BitSet();
                    emptyLightMask.set(0, tracker.currentWorldSectionHeight() + 2);
                    wrapper.write(Type.BOOLEAN, false);
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, new long[0]);
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, new long[0]);
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, emptyLightMask.toLongArray());
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, emptyLightMask.toLongArray());
                    wrapper.write(Type.VAR_INT, 0);
                    wrapper.write(Type.VAR_INT, 0);
                } else {
                    wrapper.write(Type.BOOLEAN, light.trustEdges());
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, light.skyLightMask());
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, light.blockLightMask());
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, light.emptySkyLightMask());
                    wrapper.write(Type.LONG_ARRAY_PRIMITIVE, light.emptyBlockLightMask());
                    wrapper.write(Type.VAR_INT, light.skyLight().length);
                    for (final byte[] skyLight : light.skyLight()) {
                        wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, skyLight);
                    }
                    wrapper.write(Type.VAR_INT, light.blockLight().length);
                    for (final byte[] blockLight : light.blockLight()) {
                        wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, blockLight);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17_1.UNLOAD_CHUNK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                final int chunkX = wrapper.passthrough(Type.INT);
                final int chunkZ = wrapper.passthrough(Type.INT);
                wrapper.user().get(ChunkLightStorage.class).clear(chunkX, chunkZ);
            });
        }
    });
}