Examples with BlockChangeRecord com.viaversion.viaversion.api.minecraft.BlockChangeRecord used on opensource projects

Example 1 with BlockChangeRecord

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

the class BlockItemPackets1_10 method registerPackets.

@Override
protected void registerPackets() {
    registerSetSlot(ClientboundPackets1_9_3.SET_SLOT, Type.ITEM);
    registerWindowItems(ClientboundPackets1_9_3.WINDOW_ITEMS, Type.ITEM_ARRAY);
    // Entity Equipment Packet
    registerEntityEquipment(ClientboundPackets1_9_3.ENTITY_EQUIPMENT, Type.ITEM);
    protocol.registerClientbound(ClientboundPackets1_9_3.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Channel
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.STRING, 0).equalsIgnoreCase("MC|TrList")) {
                        // Passthrough Window ID
                        wrapper.passthrough(Type.INT);
                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                        for (int i = 0; i < size; i++) {
                            // Input Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Output Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem) {
                                // Second Item
                                wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            }
                            // Trade disabled
                            wrapper.passthrough(Type.BOOLEAN);
                            // Number of tools uses
                            wrapper.passthrough(Type.INT);
                            // Maximum number of trade uses
                            wrapper.passthrough(Type.INT);
                        }
                    }
                }
            });
        }
    });
    registerClickWindow(ServerboundPackets1_9_3.CLICK_WINDOW, Type.ITEM);
    registerCreativeInvAction(ServerboundPackets1_9_3.CREATIVE_INVENTORY_ACTION, Type.ITEM);
    protocol.registerClientbound(ClientboundPackets1_9_3.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
                    Chunk chunk = wrapper.passthrough(type);
                    handleChunk(chunk);
                }
            });
        }
    });
    // Block Change Packet
    protocol.registerClientbound(ClientboundPackets1_9_3.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Block Position
            map(Type.POSITION);
            // 1 - Block
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int idx = wrapper.get(Type.VAR_INT, 0);
                    wrapper.set(Type.VAR_INT, 0, handleBlockID(idx));
                }
            });
        }
    });
    // Multi Block Change Packet
    protocol.registerClientbound(ClientboundPackets1_9_3.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chunk X
            map(Type.INT);
            // 1 - Chunk Z
            map(Type.INT);
            map(Type.BLOCK_CHANGE_RECORD_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
                        record.setBlockId(handleBlockID(record.getBlockId()));
                    }
                }
            });
        }
    });
    // Rewrite metadata items
    protocol.getEntityRewriter().filter().handler((event, meta) -> {
        if (// Is Item
        meta.metaType().type().equals(Type.ITEM))
            meta.setValue(handleItemToClient((Item) meta.getValue()));
    });
    // Particle
    protocol.registerClientbound(ClientboundPackets1_9_3.SPAWN_PARTICLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.INT);
            map(Type.BOOLEAN);
            map(Type.FLOAT);
            map(Type.FLOAT);
            map(Type.FLOAT);
            map(Type.FLOAT);
            map(Type.FLOAT);
            map(Type.FLOAT);
            map(Type.FLOAT);
            map(Type.INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int id = wrapper.get(Type.INT, 0);
                    if (id == 46) {
                        // new falling_dust
                        // -> block_dust
                        wrapper.set(Type.INT, 0, 38);
                    }
                }
            });
        }
    });
}

Example 2 with BlockChangeRecord

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

the class BlockItemPackets1_11 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_9_3.SET_SLOT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot ID
            map(Type.SHORT);
            // 2 - Slot Value
            map(Type.ITEM);
            handler(itemToClientHandler(Type.ITEM));
            // Handle Llama
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (isLlama(wrapper.user())) {
                        Optional<ChestedHorseStorage> horse = getChestedHorse(wrapper.user());
                        if (!horse.isPresent())
                            return;
                        ChestedHorseStorage storage = horse.get();
                        int currentSlot = wrapper.get(Type.SHORT, 0);
                        wrapper.set(Type.SHORT, 0, ((Integer) (currentSlot = getNewSlotId(storage, currentSlot))).shortValue());
                        wrapper.set(Type.ITEM, 0, getNewItem(storage, currentSlot, wrapper.get(Type.ITEM, 0)));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.WINDOW_ITEMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Values
            map(Type.ITEM_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item[] stacks = wrapper.get(Type.ITEM_ARRAY, 0);
                    for (int i = 0; i < stacks.length; i++) stacks[i] = handleItemToClient(stacks[i]);
                    if (isLlama(wrapper.user())) {
                        Optional<ChestedHorseStorage> horse = getChestedHorse(wrapper.user());
                        if (!horse.isPresent())
                            return;
                        ChestedHorseStorage storage = horse.get();
                        stacks = Arrays.copyOf(stacks, !storage.isChested() ? 38 : 53);
                        for (int i = stacks.length - 1; i >= 0; i--) {
                            stacks[getNewSlotId(storage, i)] = stacks[i];
                            stacks[i] = getNewItem(storage, i, stacks[i]);
                        }
                        wrapper.set(Type.ITEM_ARRAY, 0, stacks);
                    }
                }
            });
        }
    });
    registerEntityEquipment(ClientboundPackets1_9_3.ENTITY_EQUIPMENT, Type.ITEM);
    // Plugin message Packet -> Trading
    protocol.registerClientbound(ClientboundPackets1_9_3.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Channel
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.STRING, 0).equalsIgnoreCase("MC|TrList")) {
                        // Passthrough Window ID
                        wrapper.passthrough(Type.INT);
                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                        for (int i = 0; i < size; i++) {
                            // Input Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Output Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem) {
                                // Second Item
                                wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            }
                            // Trade disabled
                            wrapper.passthrough(Type.BOOLEAN);
                            // Number of tools uses
                            wrapper.passthrough(Type.INT);
                            // Maximum number of trade uses
                            wrapper.passthrough(Type.INT);
                        }
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9_3.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot
            map(Type.SHORT);
            // 2 - Button
            map(Type.BYTE);
            // 3 - Action number
            map(Type.SHORT);
            // 4 - Mode
            map(Type.VAR_INT);
            // 5 - Clicked Item
            map(Type.ITEM);
            handler(itemToServerHandler(Type.ITEM));
            // Llama slot
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (isLlama(wrapper.user())) {
                        Optional<ChestedHorseStorage> horse = getChestedHorse(wrapper.user());
                        if (!horse.isPresent())
                            return;
                        ChestedHorseStorage storage = horse.get();
                        int clickSlot = wrapper.get(Type.SHORT, 0);
                        int correctSlot = getOldSlotId(storage, clickSlot);
                        wrapper.set(Type.SHORT, 0, ((Integer) correctSlot).shortValue());
                    }
                }
            });
        }
    });
    registerCreativeInvAction(ServerboundPackets1_9_3.CREATIVE_INVENTORY_ACTION, Type.ITEM);
    protocol.registerClientbound(ClientboundPackets1_9_3.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    // Use the 1.10 Chunk type since nothing changed.
                    Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
                    Chunk chunk = wrapper.passthrough(type);
                    handleChunk(chunk);
                    // only patch it for signs for now
                    for (CompoundTag tag : chunk.getBlockEntities()) {
                        Tag idTag = tag.get("id");
                        if (!(idTag instanceof StringTag))
                            continue;
                        String id = (String) idTag.getValue();
                        if (id.equals("minecraft:sign")) {
                            ((StringTag) idTag).setValue("Sign");
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Block Position
            map(Type.POSITION);
            // 1 - Block
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int idx = wrapper.get(Type.VAR_INT, 0);
                    wrapper.set(Type.VAR_INT, 0, handleBlockID(idx));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chunk X
            map(Type.INT);
            // 1 - Chunk Z
            map(Type.INT);
            map(Type.BLOCK_CHANGE_RECORD_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
                        record.setBlockId(handleBlockID(record.getBlockId()));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Position
            map(Type.POSITION);
            // 1 - Action
            map(Type.UNSIGNED_BYTE);
            // 2 - NBT
            map(Type.NBT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Remove on shulkerbox decleration
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 10) {
                        wrapper.cancel();
                    }
                    // Handler Spawners
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 1) {
                        CompoundTag tag = wrapper.get(Type.NBT, 0);
                        EntityIdRewriter.toClientSpawner(tag, true);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.OPEN_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Type
            map(Type.STRING);
            // 2 - Title
            map(Type.COMPONENT);
            // 3 - Slots
            map(Type.UNSIGNED_BYTE);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int entityId = -1;
                    // Passthrough Entity ID
                    if (wrapper.get(Type.STRING, 0).equals("EntityHorse")) {
                        entityId = wrapper.passthrough(Type.INT);
                    }
                    // Track Inventory
                    String inventory = wrapper.get(Type.STRING, 0);
                    WindowTracker windowTracker = wrapper.user().get(WindowTracker.class);
                    windowTracker.setInventory(inventory);
                    windowTracker.setEntityId(entityId);
                    // Change llama slotcount to the donkey one
                    if (isLlama(wrapper.user())) {
                        wrapper.set(Type.UNSIGNED_BYTE, 1, (short) 17);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_9_3.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Inventory tracking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    WindowTracker windowTracker = wrapper.user().get(WindowTracker.class);
                    windowTracker.setInventory(null);
                    windowTracker.setEntityId(-1);
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9_3.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Inventory tracking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    WindowTracker windowTracker = wrapper.user().get(WindowTracker.class);
                    windowTracker.setInventory(null);
                    windowTracker.setEntityId(-1);
                }
            });
        }
    });
    protocol.getEntityRewriter().filter().handler((event, meta) -> {
        if (// Is Item
        meta.metaType().type().equals(Type.ITEM))
            meta.setValue(handleItemToClient((Item) meta.getValue()));
    });
}

Example 3 with BlockChangeRecord

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

the class BlockItemPackets1_13 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_13.COOLDOWN, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int itemId = wrapper.read(Type.VAR_INT);
                    int oldId = protocol.getMappingData().getItemMappings().get(itemId);
                    if (oldId != -1) {
                        Optional<String> eggEntityId = SpawnEggRewriter.getEntityId(oldId);
                        if (eggEntityId.isPresent()) {
                            itemId = 383 << 16;
                        } else {
                            itemId = (oldId >> 4) << 16 | oldId & 0xF;
                        }
                    }
                    wrapper.write(Type.VAR_INT, itemId);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.BLOCK_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Location
            map(Type.POSITION);
            // Action Id
            map(Type.UNSIGNED_BYTE);
            // Action param
            map(Type.UNSIGNED_BYTE);
            // Block Id - /!\ NOT BLOCK STATE ID
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int blockId = wrapper.get(Type.VAR_INT, 0);
                    if (blockId == 73)
                        blockId = 25;
                    else if (blockId == 99)
                        blockId = 33;
                    else if (blockId == 92)
                        blockId = 29;
                    else if (blockId == 142)
                        blockId = 54;
                    else if (blockId == 305)
                        blockId = 146;
                    else if (blockId == 249)
                        blockId = 130;
                    else if (blockId == 257)
                        blockId = 138;
                    else if (blockId == 140)
                        blockId = 52;
                    else if (blockId == 472)
                        blockId = 209;
                    else if (blockId >= 483 && blockId <= 498)
                        blockId = blockId - 483 + 219;
                    wrapper.set(Type.VAR_INT, 0, blockId);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Position
            map(Type.POSITION);
            // 1 - Action
            map(Type.UNSIGNED_BYTE);
            // 2 - NBT Data
            map(Type.NBT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    BackwardsBlockEntityProvider provider = Via.getManager().getProviders().get(BackwardsBlockEntityProvider.class);
                    // TODO conduit handling
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 5) {
                        wrapper.cancel();
                    }
                    wrapper.set(Type.NBT, 0, provider.transform(wrapper.user(), wrapper.get(Type.POSITION, 0), wrapper.get(Type.NBT, 0)));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.UNLOAD_CHUNK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int chunkMinX = wrapper.passthrough(Type.INT) << 4;
                    int chunkMinZ = wrapper.passthrough(Type.INT) << 4;
                    int chunkMaxX = chunkMinX + 15;
                    int chunkMaxZ = chunkMinZ + 15;
                    BackwardsBlockStorage blockStorage = wrapper.user().get(BackwardsBlockStorage.class);
                    blockStorage.getBlocks().entrySet().removeIf(entry -> {
                        Position position = entry.getKey();
                        return position.getX() >= chunkMinX && position.getZ() >= chunkMinZ && position.getX() <= chunkMaxX && position.getZ() <= chunkMaxZ;
                    });
                }
            });
        }
    });
    // Block Change
    protocol.registerClientbound(ClientboundPackets1_13.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Position
            map(Type.POSITION);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int blockState = wrapper.read(Type.VAR_INT);
                    Position position = wrapper.get(Type.POSITION, 0);
                    // Store blocks
                    BackwardsBlockStorage storage = wrapper.user().get(BackwardsBlockStorage.class);
                    storage.checkAndStore(position, blockState);
                    wrapper.write(Type.VAR_INT, protocol.getMappingData().getNewBlockStateId(blockState));
                    // Flower pot special treatment
                    flowerPotSpecialTreatment(wrapper.user(), blockState, position);
                }
            });
        }
    });
    // Multi Block Change
    protocol.registerClientbound(ClientboundPackets1_13.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chunk X
            map(Type.INT);
            // 1 - Chunk Z
            map(Type.INT);
            map(Type.BLOCK_CHANGE_RECORD_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    BackwardsBlockStorage storage = wrapper.user().get(BackwardsBlockStorage.class);
                    for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
                        int chunkX = wrapper.get(Type.INT, 0);
                        int chunkZ = wrapper.get(Type.INT, 1);
                        int block = record.getBlockId();
                        Position position = new Position(record.getSectionX() + (chunkX * 16), record.getY(), record.getSectionZ() + (chunkZ * 16));
                        // Store if needed
                        storage.checkAndStore(position, block);
                        // Flower pot special treatment
                        flowerPotSpecialTreatment(wrapper.user(), block, position);
                        // Change to old id
                        record.setBlockId(protocol.getMappingData().getNewBlockStateId(block));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.WINDOW_ITEMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.UNSIGNED_BYTE);
            map(Type.FLAT_ITEM_ARRAY, Type.ITEM_ARRAY);
            handler(itemArrayHandler(Type.ITEM_ARRAY));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.SET_SLOT, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.UNSIGNED_BYTE);
            map(Type.SHORT);
            map(Type.FLAT_ITEM, Type.ITEM);
            handler(itemToClientHandler(Type.ITEM));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                Chunk1_9_3_4Type type_old = new Chunk1_9_3_4Type(clientWorld);
                Chunk1_13Type type = new Chunk1_13Type(clientWorld);
                Chunk chunk = wrapper.read(type);
                // Handle Block Entities before block rewrite
                BackwardsBlockEntityProvider provider = Via.getManager().getProviders().get(BackwardsBlockEntityProvider.class);
                BackwardsBlockStorage storage = wrapper.user().get(BackwardsBlockStorage.class);
                for (CompoundTag tag : chunk.getBlockEntities()) {
                    Tag idTag = tag.get("id");
                    if (idTag == null)
                        continue;
                    String id = (String) idTag.getValue();
                    // Ignore if we don't handle it
                    if (!provider.isHandled(id))
                        continue;
                    int sectionIndex = ((NumberTag) tag.get("y")).asInt() >> 4;
                    if (sectionIndex < 0 || sectionIndex > 15) {
                        // 1.17 chunks
                        continue;
                    }
                    ChunkSection section = chunk.getSections()[sectionIndex];
                    int x = ((NumberTag) tag.get("x")).asInt();
                    int y = ((NumberTag) tag.get("y")).asInt();
                    int z = ((NumberTag) tag.get("z")).asInt();
                    Position position = new Position(x, (short) y, z);
                    int block = section.getFlatBlock(x & 0xF, y & 0xF, z & 0xF);
                    storage.checkAndStore(position, block);
                    provider.transform(wrapper.user(), position, tag);
                }
                // Rewrite new blocks to old blocks
                for (int i = 0; i < chunk.getSections().length; i++) {
                    ChunkSection section = chunk.getSections()[i];
                    if (section == null) {
                        continue;
                    }
                    // Flower pots require a special treatment, they are no longer block entities :(
                    for (int y = 0; y < 16; y++) {
                        for (int z = 0; z < 16; z++) {
                            for (int x = 0; x < 16; x++) {
                                int block = section.getFlatBlock(x, y, z);
                                // Check if the block is a flower
                                if (FlowerPotHandler.isFlowah(block)) {
                                    Position pos = new Position((x + (chunk.getX() << 4)), (short) (y + (i << 4)), (z + (chunk.getZ() << 4)));
                                    // Store block
                                    storage.checkAndStore(pos, block);
                                    CompoundTag nbt = provider.transform(wrapper.user(), pos, "minecraft:flower_pot");
                                    chunk.getBlockEntities().add(nbt);
                                }
                            }
                        }
                    }
                    for (int p = 0; p < section.getPaletteSize(); p++) {
                        int old = section.getPaletteEntry(p);
                        if (old != 0) {
                            int oldId = protocol.getMappingData().getNewBlockStateId(old);
                            section.setPaletteEntry(p, oldId);
                        }
                    }
                }
                if (chunk.isBiomeData()) {
                    for (int i = 0; i < 256; i++) {
                        int biome = chunk.getBiomeData()[i];
                        int newId = -1;
                        switch(biome) {
                            // end biomes
                            case 40:
                            case 41:
                            case 42:
                            case 43:
                                newId = 9;
                                break;
                            // deep ocean biomes
                            case 47:
                            case 48:
                            case 49:
                                newId = 24;
                                break;
                            case // deep frozen... let's just pick the frozen variant
                            50:
                                newId = 10;
                                break;
                            // the other new ocean biomes
                            case 44:
                            case 45:
                            case 46:
                                newId = 0;
                                break;
                        }
                        if (newId != -1) {
                            chunk.getBiomeData()[i] = newId;
                        }
                    }
                }
                wrapper.write(type_old, chunk);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.EFFECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Effect Id
            map(Type.INT);
            // Location
            map(Type.POSITION);
            // Data
            map(Type.INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    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().getItemMappings().get(data) >> 4);
                    } else if (id == 2001) {
                        // Block break + block break sound
                        data = protocol.getMappingData().getNewBlockStateId(data);
                        int blockId = data >> 4;
                        int blockData = data & 0xF;
                        wrapper.set(Type.INT, 1, (blockId & 0xFFF) | (blockData << 12));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.BYTE);
            map(Type.BOOLEAN);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int iconCount = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < iconCount; i++) {
                        int type = wrapper.read(Type.VAR_INT);
                        byte x = wrapper.read(Type.BYTE);
                        byte z = wrapper.read(Type.BYTE);
                        byte direction = wrapper.read(Type.BYTE);
                        if (wrapper.read(Type.BOOLEAN)) {
                            wrapper.read(Type.COMPONENT);
                        }
                        if (type > 9) {
                            wrapper.set(Type.VAR_INT, 1, wrapper.get(Type.VAR_INT, 1) - 1);
                            continue;
                        }
                        wrapper.write(Type.BYTE, (byte) ((type << 4) | (direction & 0x0F)));
                        wrapper.write(Type.BYTE, x);
                        wrapper.write(Type.BYTE, z);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.ENTITY_EQUIPMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.VAR_INT);
            map(Type.FLAT_ITEM, Type.ITEM);
            handler(itemToClientHandler(Type.ITEM));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.WINDOW_PROPERTY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Window Id
            map(Type.UNSIGNED_BYTE);
            // Property
            map(Type.SHORT);
            // Value
            map(Type.SHORT);
            handler(wrapper -> {
                short property = wrapper.get(Type.SHORT, 0);
                // Enchantment table
                if (property >= 4 && property <= 6) {
                    short oldId = wrapper.get(Type.SHORT, 1);
                    wrapper.set(Type.SHORT, 1, (short) protocol.getMappingData().getEnchantmentMappings().getNewId(oldId));
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_12_1.CREATIVE_INVENTORY_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.SHORT);
            map(Type.ITEM, Type.FLAT_ITEM);
            handler(itemToServerHandler(Type.FLAT_ITEM));
        }
    });
    protocol.registerServerbound(ServerboundPackets1_12_1.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.UNSIGNED_BYTE);
            map(Type.SHORT);
            map(Type.BYTE);
            map(Type.SHORT);
            map(Type.VAR_INT);
            map(Type.ITEM, Type.FLAT_ITEM);
            handler(itemToServerHandler(Type.FLAT_ITEM));
        }
    });
}

Example 4 with BlockChangeRecord

use of com.viaversion.viaversion.api.minecraft.BlockChangeRecord in project ViaVersion by ViaVersion.

the class WorldPackets method register.

public static void register(Protocol protocol) {
    // Outgoing packets
    protocol.registerClientbound(ClientboundPackets1_12_1.SPAWN_PAINTING, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Entity UUID
            map(Type.UUID);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    PaintingProvider provider = Via.getManager().getProviders().get(PaintingProvider.class);
                    String motive = wrapper.read(Type.STRING);
                    Optional<Integer> id = provider.getIntByIdentifier(motive);
                    if (!id.isPresent() && (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug())) {
                        Via.getPlatform().getLogger().warning("Could not find painting motive: " + motive + " falling back to default (0)");
                    }
                    wrapper.write(Type.VAR_INT, id.orElse(0));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Location
            map(Type.POSITION);
            // 1 - Action
            map(Type.UNSIGNED_BYTE);
            // 2 - NBT data
            map(Type.NBT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Position position = wrapper.get(Type.POSITION, 0);
                    short action = wrapper.get(Type.UNSIGNED_BYTE, 0);
                    CompoundTag tag = wrapper.get(Type.NBT, 0);
                    BlockEntityProvider provider = Via.getManager().getProviders().get(BlockEntityProvider.class);
                    int newId = provider.transform(wrapper.user(), position, tag, true);
                    if (newId != -1) {
                        BlockStorage storage = wrapper.user().get(BlockStorage.class);
                        BlockStorage.ReplacementData replacementData = storage.get(position);
                        if (replacementData != null) {
                            replacementData.setReplacement(newId);
                        }
                    }
                    if (action == 5) {
                        // Set type of flower in flower pot
                        // Removed
                        wrapper.cancel();
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.BLOCK_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Location
            map(Type.POSITION);
            // Action Id
            map(Type.UNSIGNED_BYTE);
            // Action param
            map(Type.UNSIGNED_BYTE);
            // Block Id - /!\ NOT BLOCK STATE ID
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Position pos = wrapper.get(Type.POSITION, 0);
                    short action = wrapper.get(Type.UNSIGNED_BYTE, 0);
                    short param = wrapper.get(Type.UNSIGNED_BYTE, 1);
                    int blockId = wrapper.get(Type.VAR_INT, 0);
                    if (blockId == 25)
                        blockId = 73;
                    else if (blockId == 33)
                        blockId = 99;
                    else if (blockId == 29)
                        blockId = 92;
                    else if (blockId == 54)
                        blockId = 142;
                    else if (blockId == 146)
                        blockId = 305;
                    else if (blockId == 130)
                        blockId = 249;
                    else if (blockId == 138)
                        blockId = 257;
                    else if (blockId == 52)
                        blockId = 140;
                    else if (blockId == 209)
                        blockId = 472;
                    else if (blockId >= 219 && blockId <= 234)
                        blockId = blockId - 219 + 483;
                    if (blockId == 73) {
                        // Note block
                        // block change
                        PacketWrapper blockChange = wrapper.create(0x0B);
                        blockChange.write(Type.POSITION, pos);
                        blockChange.write(Type.VAR_INT, 249 + (action * 24 * 2) + (param * 2));
                        blockChange.send(Protocol1_13To1_12_2.class);
                    }
                    wrapper.set(Type.VAR_INT, 0, blockId);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION);
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Position position = wrapper.get(Type.POSITION, 0);
                    int newId = toNewId(wrapper.get(Type.VAR_INT, 0));
                    UserConnection userConnection = wrapper.user();
                    if (Via.getConfig().isServersideBlockConnections()) {
                        ConnectionData.updateBlockStorage(userConnection, position.x(), position.y(), position.z(), newId);
                        newId = ConnectionData.connect(userConnection, position, newId);
                    }
                    wrapper.set(Type.VAR_INT, 0, checkStorage(wrapper.user(), position, newId));
                    if (Via.getConfig().isServersideBlockConnections()) {
                        // Workaround for packet order issue
                        wrapper.send(Protocol1_13To1_12_2.class);
                        wrapper.cancel();
                        ConnectionData.update(userConnection, position);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chunk X
            map(Type.INT);
            // 1 - Chunk Z
            map(Type.INT);
            // 2 - Records
            map(Type.BLOCK_CHANGE_RECORD_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int chunkX = wrapper.get(Type.INT, 0);
                    int chunkZ = wrapper.get(Type.INT, 1);
                    UserConnection userConnection = wrapper.user();
                    BlockChangeRecord[] records = wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0);
                    // Convert ids
                    for (BlockChangeRecord record : records) {
                        int newBlock = toNewId(record.getBlockId());
                        Position position = new Position(record.getSectionX() + (chunkX * 16), record.getY(), record.getSectionZ() + (chunkZ * 16));
                        if (Via.getConfig().isServersideBlockConnections()) {
                            ConnectionData.updateBlockStorage(userConnection, position.x(), position.y(), position.z(), newBlock);
                        }
                        record.setBlockId(checkStorage(wrapper.user(), position, newBlock));
                    }
                    if (Via.getConfig().isServersideBlockConnections()) {
                        for (BlockChangeRecord record : records) {
                            int blockState = record.getBlockId();
                            Position position = new Position(record.getSectionX() + (chunkX * 16), record.getY(), record.getSectionZ() + (chunkZ * 16));
                            ConnectionHandler handler = ConnectionData.getConnectionHandler(blockState);
                            if (handler != null) {
                                blockState = handler.connect(userConnection, position, blockState);
                                record.setBlockId(blockState);
                            }
                        }
                        // Workaround for packet order issue
                        wrapper.send(Protocol1_13To1_12_2.class);
                        wrapper.cancel();
                        for (BlockChangeRecord record : records) {
                            Position position = new Position(record.getSectionX() + (chunkX * 16), record.getY(), record.getSectionZ() + (chunkZ * 16));
                            ConnectionData.update(userConnection, position);
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.EXPLOSION, new PacketRemapper() {

        @Override
        public void registerMap() {
            if (!Via.getConfig().isServersideBlockConnections())
                return;
            // X
            map(Type.FLOAT);
            // Y
            map(Type.FLOAT);
            // Z
            map(Type.FLOAT);
            // Radius
            map(Type.FLOAT);
            // Record Count
            map(Type.INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    UserConnection userConnection = wrapper.user();
                    int x = (int) Math.floor(wrapper.get(Type.FLOAT, 0));
                    int y = (int) Math.floor(wrapper.get(Type.FLOAT, 1));
                    int z = (int) Math.floor(wrapper.get(Type.FLOAT, 2));
                    int recordCount = wrapper.get(Type.INT, 0);
                    Position[] records = new Position[recordCount];
                    for (int i = 0; i < recordCount; i++) {
                        Position position = new Position(x + wrapper.passthrough(Type.BYTE), (short) (y + wrapper.passthrough(Type.BYTE)), z + wrapper.passthrough(Type.BYTE));
                        records[i] = position;
                        // Set to air
                        ConnectionData.updateBlockStorage(userConnection, position.x(), position.y(), position.z(), 0);
                    }
                    // Workaround for packet order issue
                    wrapper.send(Protocol1_13To1_12_2.class);
                    wrapper.cancel();
                    for (int i = 0; i < recordCount; i++) {
                        ConnectionData.update(userConnection, records[i]);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.UNLOAD_CHUNK, new PacketRemapper() {

        @Override
        public void registerMap() {
            if (Via.getConfig().isServersideBlockConnections()) {
                handler(new PacketHandler() {

                    @Override
                    public void handle(PacketWrapper wrapper) throws Exception {
                        int x = wrapper.passthrough(Type.INT);
                        int z = wrapper.passthrough(Type.INT);
                        ConnectionData.blockConnectionProvider.unloadChunk(wrapper.user(), x, z);
                    }
                });
            }
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.NAMED_SOUND, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String sound = wrapper.get(Type.STRING, 0).replace("minecraft:", "");
                    String newSoundId = NamedSoundRewriter.getNewId(sound);
                    wrapper.set(Type.STRING, 0, newSoundId);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    BlockStorage storage = wrapper.user().get(BlockStorage.class);
                    Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
                    Chunk1_13Type type1_13 = new Chunk1_13Type(clientWorld);
                    Chunk chunk = wrapper.read(type);
                    wrapper.write(type1_13, chunk);
                    for (int i = 0; i < chunk.getSections().length; i++) {
                        ChunkSection section = chunk.getSections()[i];
                        if (section == null)
                            continue;
                        for (int p = 0; p < section.getPaletteSize(); p++) {
                            int old = section.getPaletteEntry(p);
                            int newId = toNewId(old);
                            section.setPaletteEntry(p, newId);
                        }
                        boolean willSaveToStorage = false;
                        for (int p = 0; p < section.getPaletteSize(); p++) {
                            int newId = section.getPaletteEntry(p);
                            if (storage.isWelcome(newId)) {
                                willSaveToStorage = true;
                                break;
                            }
                        }
                        boolean willSaveConnection = false;
                        if (Via.getConfig().isServersideBlockConnections() && ConnectionData.needStoreBlocks()) {
                            for (int p = 0; p < section.getPaletteSize(); p++) {
                                int newId = section.getPaletteEntry(p);
                                if (ConnectionData.isWelcome(newId)) {
                                    willSaveConnection = true;
                                    break;
                                }
                            }
                        }
                        if (willSaveToStorage) {
                            for (int y = 0; y < 16; y++) {
                                for (int z = 0; z < 16; z++) {
                                    for (int x = 0; x < 16; x++) {
                                        int block = section.getFlatBlock(x, y, z);
                                        if (storage.isWelcome(block)) {
                                            storage.store(new Position((x + (chunk.getX() << 4)), (short) (y + (i << 4)), (z + (chunk.getZ() << 4))), block);
                                        }
                                    }
                                }
                            }
                        }
                        if (willSaveConnection) {
                            for (int y = 0; y < 16; y++) {
                                for (int z = 0; z < 16; z++) {
                                    for (int x = 0; x < 16; x++) {
                                        int block = section.getFlatBlock(x, y, z);
                                        if (ConnectionData.isWelcome(block)) {
                                            ConnectionData.blockConnectionProvider.storeBlock(wrapper.user(), x + (chunk.getX() << 4), y + (i << 4), z + (chunk.getZ() << 4), block);
                                        }
                                    }
                                }
                            }
                        }
                    }
                    // Rewrite biome id 255 to plains
                    if (chunk.isBiomeData()) {
                        int latestBiomeWarn = Integer.MIN_VALUE;
                        for (int i = 0; i < 256; i++) {
                            int biome = chunk.getBiomeData()[i];
                            if (!VALID_BIOMES.contains(biome)) {
                                if (// is it generated naturally? *shrug*
                                biome != 255 && latestBiomeWarn != biome) {
                                    if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                                        Via.getPlatform().getLogger().warning("Received invalid biome id " + biome);
                                    }
                                    latestBiomeWarn = biome;
                                }
                                // Plains
                                chunk.getBiomeData()[i] = 1;
                            }
                        }
                    }
                    // Rewrite BlockEntities to normal blocks
                    BlockEntityProvider provider = Via.getManager().getProviders().get(BlockEntityProvider.class);
                    final Iterator<CompoundTag> iterator = chunk.getBlockEntities().iterator();
                    while (iterator.hasNext()) {
                        CompoundTag tag = iterator.next();
                        int newId = provider.transform(wrapper.user(), null, tag, false);
                        if (newId != -1) {
                            int x = ((NumberTag) tag.get("x")).asInt();
                            int y = ((NumberTag) tag.get("y")).asInt();
                            int z = ((NumberTag) tag.get("z")).asInt();
                            Position position = new Position(x, (short) y, z);
                            // Store the replacement blocks for blockupdates
                            BlockStorage.ReplacementData replacementData = storage.get(position);
                            if (replacementData != null) {
                                replacementData.setReplacement(newId);
                            }
                            chunk.getSections()[y >> 4].setFlatBlock(x & 0xF, y & 0xF, z & 0xF, newId);
                        }
                        final Tag idTag = tag.get("id");
                        if (idTag instanceof StringTag) {
                            // No longer block entities
                            final String id = ((StringTag) idTag).getValue();
                            if (id.equals("minecraft:noteblock") || id.equals("minecraft:flower_pot")) {
                                iterator.remove();
                            }
                        }
                    }
                    if (Via.getConfig().isServersideBlockConnections()) {
                        ConnectionData.connectBlocks(wrapper.user(), chunk);
                        // Workaround for packet order issue
                        wrapper.send(Protocol1_13To1_12_2.class);
                        wrapper.cancel();
                        for (int i = 0; i < chunk.getSections().length; i++) {
                            ChunkSection section = chunk.getSections()[i];
                            if (section == null)
                                continue;
                            ConnectionData.updateChunkSectionNeighbours(wrapper.user(), chunk.getX(), chunk.getZ(), i);
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.SPAWN_PARTICLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Particle ID
            map(Type.INT);
            // 1 - Long Distance
            map(Type.BOOLEAN);
            // 2 - X
            map(Type.FLOAT);
            // 3 - Y
            map(Type.FLOAT);
            // 4 - Z
            map(Type.FLOAT);
            // 5 - Offset X
            map(Type.FLOAT);
            // 6 - Offset Y
            map(Type.FLOAT);
            // 7 - Offset Z
            map(Type.FLOAT);
            // 8 - Particle Data
            map(Type.FLOAT);
            // 9 - Particle Count
            map(Type.INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int particleId = wrapper.get(Type.INT, 0);
                    // Get the data (Arrays are overrated)
                    int dataCount = 0;
                    // Particles with 1 data [BlockCrack,BlockDust,FallingDust]
                    if (particleId == 37 || particleId == 38 || particleId == 46)
                        dataCount = 1;
                    else // Particles with 2 data [IconCrack]
                    if (particleId == 36)
                        dataCount = 2;
                    Integer[] data = new Integer[dataCount];
                    for (int i = 0; i < data.length; i++) data[i] = wrapper.read(Type.VAR_INT);
                    Particle particle = ParticleRewriter.rewriteParticle(particleId, data);
                    // Cancel if null or completely removed
                    if (particle == null || particle.getId() == -1) {
                        wrapper.cancel();
                        return;
                    }
                    // Handle reddust particle color
                    if (particle.getId() == 11) {
                        int count = wrapper.get(Type.INT, 1);
                        float speed = wrapper.get(Type.FLOAT, 6);
                        // Only handle for count = 0
                        if (count == 0) {
                            wrapper.set(Type.INT, 1, 1);
                            wrapper.set(Type.FLOAT, 6, 0f);
                            List<Particle.ParticleData> arguments = particle.getArguments();
                            for (int i = 0; i < 3; i++) {
                                // RGB values are represented by the X/Y/Z offset
                                float colorValue = wrapper.get(Type.FLOAT, i + 3) * speed;
                                if (colorValue == 0 && i == 0) {
                                    // https://minecraft.gamepedia.com/User:Alphappy/reddust
                                    colorValue = 1;
                                }
                                arguments.get(i).setValue(colorValue);
                                wrapper.set(Type.FLOAT, i + 3, 0f);
                            }
                        }
                    }
                    wrapper.set(Type.INT, 0, particle.getId());
                    for (Particle.ParticleData particleData : particle.getArguments()) wrapper.write(particleData.getType(), particleData.getValue());
                }
            });
        }
    });
}

Example 5 with BlockChangeRecord

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

the class BlockItemPackets1_12 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_12.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.BYTE);
            map(Type.BOOLEAN);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int count = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < count * 3; i++) {
                        wrapper.passthrough(Type.BYTE);
                    }
                }
            });
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    short columns = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    if (columns <= 0)
                        return;
                    short rows = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    // X
                    wrapper.passthrough(Type.UNSIGNED_BYTE);
                    // Z
                    wrapper.passthrough(Type.UNSIGNED_BYTE);
                    byte[] data = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                    for (int i = 0; i < data.length; i++) {
                        short color = (short) (data[i] & 0xFF);
                        if (color > 143) {
                            color = (short) MapColorMapping.getNearestOldColor(color);
                            data[i] = (byte) color;
                        }
                    }
                    wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, data);
                }
            });
        }
    });
    registerSetSlot(ClientboundPackets1_12.SET_SLOT, Type.ITEM);
    registerWindowItems(ClientboundPackets1_12.WINDOW_ITEMS, Type.ITEM_ARRAY);
    registerEntityEquipment(ClientboundPackets1_12.ENTITY_EQUIPMENT, Type.ITEM);
    // Plugin message Packet -> Trading
    protocol.registerClientbound(ClientboundPackets1_12.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Channel
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.STRING, 0).equalsIgnoreCase("MC|TrList")) {
                        // Passthrough Window ID
                        wrapper.passthrough(Type.INT);
                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                        for (int i = 0; i < size; i++) {
                            // Input Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Output Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem)
                                // Second Item
                                wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Trade disabled
                            wrapper.passthrough(Type.BOOLEAN);
                            // Number of tools uses
                            wrapper.passthrough(Type.INT);
                            // Maximum number of trade uses
                            wrapper.passthrough(Type.INT);
                        }
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9_3.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot
            map(Type.SHORT);
            // 2 - Button
            map(Type.BYTE);
            // 3 - Action number
            map(Type.SHORT);
            // 4 - Mode
            map(Type.VAR_INT);
            // 5 - Clicked Item
            map(Type.ITEM);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.VAR_INT, 0) == 1) {
                        // Shift click
                        // https://github.com/ViaVersion/ViaVersion/pull/754
                        // Previously clients grab the item from the clicked slot *before* it has
                        // been moved however now they grab the slot item *after* it has been moved
                        // and send that in the packet.
                        // Set null item (probably will work)
                        wrapper.set(Type.ITEM, 0, null);
                        // Apologize (may happen in some cases, maybe if inventory is full?)
                        PacketWrapper confirm = wrapper.create(ServerboundPackets1_12.WINDOW_CONFIRMATION);
                        confirm.write(Type.UNSIGNED_BYTE, wrapper.get(Type.UNSIGNED_BYTE, 0));
                        confirm.write(Type.SHORT, wrapper.get(Type.SHORT, 1));
                        // Success - not used
                        confirm.write(Type.BOOLEAN, false);
                        wrapper.sendToServer(Protocol1_11_1To1_12.class);
                        wrapper.cancel();
                        confirm.sendToServer(Protocol1_11_1To1_12.class);
                        return;
                    }
                    Item item = wrapper.get(Type.ITEM, 0);
                    handleItemToServer(item);
                }
            });
        }
    });
    registerCreativeInvAction(ServerboundPackets1_9_3.CREATIVE_INVENTORY_ACTION, Type.ITEM);
    protocol.registerClientbound(ClientboundPackets1_12.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    // Use the 1.9.4 Chunk type since nothing changed.
                    Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
                    Chunk chunk = wrapper.passthrough(type);
                    handleChunk(chunk);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Block Position
            map(Type.POSITION);
            // 1 - Block
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int idx = wrapper.get(Type.VAR_INT, 0);
                    wrapper.set(Type.VAR_INT, 0, handleBlockID(idx));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chunk X
            map(Type.INT);
            // 1 - Chunk Z
            map(Type.INT);
            map(Type.BLOCK_CHANGE_RECORD_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
                        record.setBlockId(handleBlockID(record.getBlockId()));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Position
            map(Type.POSITION);
            // 1 - Action
            map(Type.UNSIGNED_BYTE);
            // 2 - NBT
            map(Type.NBT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Remove bed color
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 11)
                        wrapper.cancel();
                }
            });
        }
    });
    protocol.getEntityRewriter().filter().handler((event, meta) -> {
        if (// Is Item
        meta.metaType().type().equals(Type.ITEM))
            meta.setValue(handleItemToClient((Item) meta.getValue()));
    });
    protocol.registerServerbound(ServerboundPackets1_9_3.CLIENT_STATUS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Action ID
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Open Inventory
                    if (wrapper.get(Type.VAR_INT, 0) == 2) {
                        wrapper.cancel();
                    }
                }
            });
        }
    });
}