Examples with Chunk com.viaversion.viaversion.api.minecraft.chunks.Chunk used on opensource projects

Example 1 with Chunk

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

the class BlockItemPackets1_16 method registerPackets.

@Override
protected void registerPackets() {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
    RecipeRewriter1_14 recipeRewriter = new RecipeRewriter1_14(protocol);
    // Remove new smithing type, only in this handler
    protocol.registerClientbound(ClientboundPackets1_16.DECLARE_RECIPES, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int size = wrapper.passthrough(Type.VAR_INT);
                int newSize = size;
                for (int i = 0; i < size; i++) {
                    String originalType = wrapper.read(Type.STRING);
                    String type = originalType.replace("minecraft:", "");
                    if (type.equals("smithing")) {
                        newSize--;
                        wrapper.read(Type.STRING);
                        wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT);
                        wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT);
                        wrapper.read(Type.FLAT_VAR_INT_ITEM);
                        continue;
                    }
                    wrapper.write(Type.STRING, originalType);
                    // Recipe Identifier
                    String id = wrapper.passthrough(Type.STRING);
                    recipeRewriter.handle(wrapper, type);
                }
                wrapper.set(Type.VAR_INT, 0, newSize);
            });
        }
    });
    registerSetCooldown(ClientboundPackets1_16.COOLDOWN);
    registerWindowItems(ClientboundPackets1_16.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_16.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerTradeList(ClientboundPackets1_16.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_16.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_16.ACKNOWLEDGE_PLAYER_DIGGING);
    blockRewriter.registerBlockAction(ClientboundPackets1_16.BLOCK_ACTION);
    blockRewriter.registerBlockChange(ClientboundPackets1_16.BLOCK_CHANGE);
    blockRewriter.registerMultiBlockChange(ClientboundPackets1_16.MULTI_BLOCK_CHANGE);
    protocol.registerClientbound(ClientboundPackets1_16.ENTITY_EQUIPMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int entityId = wrapper.passthrough(Type.VAR_INT);
                List<EquipmentData> equipmentData = new ArrayList<>();
                byte slot;
                do {
                    slot = wrapper.read(Type.BYTE);
                    Item item = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));
                    int rawSlot = slot & 0x7F;
                    equipmentData.add(new EquipmentData(rawSlot, item));
                } while ((slot & 0xFFFFFF80) != 0);
                // Send first data in the current packet
                EquipmentData firstData = equipmentData.get(0);
                wrapper.write(Type.VAR_INT, firstData.slot);
                wrapper.write(Type.FLAT_VAR_INT_ITEM, firstData.item);
                // If there are more items, send new packets for them
                for (int i = 1; i < equipmentData.size(); i++) {
                    PacketWrapper equipmentPacket = wrapper.create(ClientboundPackets1_15.ENTITY_EQUIPMENT);
                    EquipmentData data = equipmentData.get(i);
                    equipmentPacket.write(Type.VAR_INT, entityId);
                    equipmentPacket.write(Type.VAR_INT, data.slot);
                    equipmentPacket.write(Type.FLAT_VAR_INT_ITEM, data.item);
                    equipmentPacket.send(Protocol1_15_2To1_16.class);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.UPDATE_LIGHT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // x
            map(Type.VAR_INT);
            // y
            map(Type.VAR_INT);
            map(Type.BOOLEAN, Type.NOTHING);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                Chunk chunk = wrapper.read(new Chunk1_16Type());
                wrapper.write(new Chunk1_15Type(), chunk);
                for (int i = 0; i < chunk.getSections().length; i++) {
                    ChunkSection section = chunk.getSections()[i];
                    if (section == null)
                        continue;
                    for (int j = 0; j < section.getPaletteSize(); j++) {
                        int old = section.getPaletteEntry(j);
                        section.setPaletteEntry(j, protocol.getMappingData().getNewBlockStateId(old));
                    }
                }
                CompoundTag heightMaps = chunk.getHeightMap();
                for (Tag heightMapTag : heightMaps.values()) {
                    LongArrayTag heightMap = (LongArrayTag) heightMapTag;
                    int[] heightMapData = new int[256];
                    CompactArrayUtil.iterateCompactArrayWithPadding(9, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = v);
                    heightMap.setValue(CompactArrayUtil.createCompactArray(9, heightMapData.length, i -> heightMapData[i]));
                }
                if (chunk.isBiomeData()) {
                    for (int i = 0; i < 1024; i++) {
                        int biome = chunk.getBiomeData()[i];
                        switch(biome) {
                            // new nether biomes
                            case 170:
                            case 171:
                            case 172:
                            case 173:
                                chunk.getBiomeData()[i] = 8;
                                break;
                        }
                    }
                }
                if (chunk.getBlockEntities() == null)
                    return;
                for (CompoundTag blockEntity : chunk.getBlockEntities()) {
                    handleBlockEntity(blockEntity);
                }
            });
        }
    });
    blockRewriter.registerEffect(ClientboundPackets1_16.EFFECT, 1010, 2001);
    registerSpawnParticle(ClientboundPackets1_16.SPAWN_PARTICLE, Type.FLAT_VAR_INT_ITEM, Type.DOUBLE);
    protocol.registerClientbound(ClientboundPackets1_16.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);
                if (property >= 4 && property <= 6) {
                    // Enchantment id
                    short enchantmentId = wrapper.get(Type.SHORT, 1);
                    if (enchantmentId > 11) {
                        // soul_speed
                        wrapper.set(Type.SHORT, 1, --enchantmentId);
                    } else if (enchantmentId == 11) {
                        wrapper.set(Type.SHORT, 1, (short) 9);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Map ID
            map(Type.VAR_INT);
            // Scale
            map(Type.BYTE);
            // Tracking Position
            map(Type.BOOLEAN);
            // Locked
            map(Type.BOOLEAN);
            handler(MapColorRewriter.getRewriteHandler(MapColorRewrites::getMappedColor));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_16.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                Position position = wrapper.passthrough(Type.POSITION1_14);
                short action = wrapper.passthrough(Type.UNSIGNED_BYTE);
                CompoundTag tag = wrapper.passthrough(Type.NBT);
                handleBlockEntity(tag);
            });
        }
    });
    registerClickWindow(ServerboundPackets1_14.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
    registerCreativeInvAction(ServerboundPackets1_14.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    protocol.registerServerbound(ServerboundPackets1_14.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
        }
    });
}

Example 2 with Chunk

use of com.viaversion.viaversion.api.minecraft.chunks.Chunk 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 3 with Chunk

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

the class BlockItemPackets1_14 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerServerbound(ServerboundPackets1_13.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.OPEN_WINDOW, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int windowId = wrapper.read(Type.VAR_INT);
                    wrapper.write(Type.UNSIGNED_BYTE, (short) windowId);
                    int type = wrapper.read(Type.VAR_INT);
                    String stringType = null;
                    String containerTitle = null;
                    int slotSize = 0;
                    if (type < 6) {
                        if (type == 2)
                            containerTitle = "Barrel";
                        stringType = "minecraft:container";
                        slotSize = (type + 1) * 9;
                    } else {
                        switch(type) {
                            case 11:
                                stringType = "minecraft:crafting_table";
                                break;
                            // blast furnace
                            case 9:
                            // smoker
                            case 20:
                            // furnace
                            case 13:
                            case // grindstone
                            14:
                                if (type == 9)
                                    containerTitle = "Blast Furnace";
                                else if (type == 20)
                                    containerTitle = "Smoker";
                                else if (type == 14)
                                    containerTitle = "Grindstone";
                                stringType = "minecraft:furnace";
                                slotSize = 3;
                                break;
                            case 6:
                                stringType = "minecraft:dropper";
                                slotSize = 9;
                                break;
                            case 12:
                                stringType = "minecraft:enchanting_table";
                                break;
                            case 10:
                                stringType = "minecraft:brewing_stand";
                                slotSize = 5;
                                break;
                            case 18:
                                stringType = "minecraft:villager";
                                break;
                            case 8:
                                stringType = "minecraft:beacon";
                                slotSize = 1;
                                break;
                            // cartography_table
                            case 21:
                            case 7:
                                if (type == 21)
                                    containerTitle = "Cartography Table";
                                stringType = "minecraft:anvil";
                                break;
                            case 15:
                                stringType = "minecraft:hopper";
                                slotSize = 5;
                                break;
                            case 19:
                                stringType = "minecraft:shulker_box";
                                slotSize = 27;
                                break;
                        }
                    }
                    if (stringType == null) {
                        ViaBackwards.getPlatform().getLogger().warning("Can't open inventory for 1.13 player! Type: " + type);
                        wrapper.cancel();
                        return;
                    }
                    wrapper.write(Type.STRING, stringType);
                    JsonElement title = wrapper.read(Type.COMPONENT);
                    if (containerTitle != null) {
                        // Don't rewrite renamed, only translatable titles
                        JsonObject object;
                        if (title.isJsonObject() && (object = title.getAsJsonObject()).has("translate")) {
                            // Don't rewrite other 9x3 translatable containers
                            if (type != 2 || object.getAsJsonPrimitive("translate").getAsString().equals("container.barrel")) {
                                title = ChatRewriter.legacyTextToJson(containerTitle);
                            }
                        }
                    }
                    wrapper.write(Type.COMPONENT, title);
                    wrapper.write(Type.UNSIGNED_BYTE, (short) slotSize);
                }
            });
        }
    });
    // Horse window -> Open Window
    protocol.registerClientbound(ClientboundPackets1_14.OPEN_HORSE_WINDOW, ClientboundPackets1_13.OPEN_WINDOW, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Window id
                    wrapper.passthrough(Type.UNSIGNED_BYTE);
                    // Type
                    wrapper.write(Type.STRING, "EntityHorse");
                    JsonObject object = new JsonObject();
                    object.addProperty("translate", "minecraft.horse");
                    // Title
                    wrapper.write(Type.COMPONENT, object);
                    // Number of slots
                    wrapper.write(Type.UNSIGNED_BYTE, wrapper.read(Type.VAR_INT).shortValue());
                    // Entity id
                    wrapper.passthrough(Type.INT);
                }
            });
        }
    });
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION);
    registerSetCooldown(ClientboundPackets1_14.COOLDOWN);
    registerWindowItems(ClientboundPackets1_14.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_14.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_14.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    // Trade List -> Plugin Message
    protocol.registerClientbound(ClientboundPackets1_14.TRADE_LIST, ClientboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    wrapper.write(Type.STRING, "minecraft:trader_list");
                    int windowId = wrapper.read(Type.VAR_INT);
                    wrapper.write(Type.INT, windowId);
                    int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    for (int i = 0; i < size; i++) {
                        // Input Item
                        Item input = wrapper.read(Type.FLAT_VAR_INT_ITEM);
                        input = handleItemToClient(input);
                        wrapper.write(Type.FLAT_VAR_INT_ITEM, input);
                        // Output Item
                        Item output = wrapper.read(Type.FLAT_VAR_INT_ITEM);
                        output = handleItemToClient(output);
                        wrapper.write(Type.FLAT_VAR_INT_ITEM, output);
                        // Has second item
                        boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                        if (secondItem) {
                            // Second Item
                            Item second = wrapper.read(Type.FLAT_VAR_INT_ITEM);
                            second = handleItemToClient(second);
                            wrapper.write(Type.FLAT_VAR_INT_ITEM, second);
                        }
                        // Trade disabled
                        wrapper.passthrough(Type.BOOLEAN);
                        // Number of tools uses
                        wrapper.passthrough(Type.INT);
                        // Maximum number of trade uses
                        wrapper.passthrough(Type.INT);
                        wrapper.read(Type.INT);
                        wrapper.read(Type.INT);
                        wrapper.read(Type.FLOAT);
                    }
                    wrapper.read(Type.VAR_INT);
                    wrapper.read(Type.VAR_INT);
                    wrapper.read(Type.BOOLEAN);
                }
            });
        }
    });
    // Open Book -> Plugin Message
    protocol.registerClientbound(ClientboundPackets1_14.OPEN_BOOK, ClientboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    wrapper.write(Type.STRING, "minecraft:book_open");
                    wrapper.passthrough(Type.VAR_INT);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.ENTITY_EQUIPMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Slot ID
            map(Type.VAR_INT);
            // 2 - Item
            map(Type.FLAT_VAR_INT_ITEM);
            handler(itemToClientHandler(Type.FLAT_VAR_INT_ITEM));
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int entityId = wrapper.get(Type.VAR_INT, 0);
                    EntityType entityType = wrapper.user().getEntityTracker(Protocol1_13_2To1_14.class).entityType(entityId);
                    if (entityType == null)
                        return;
                    if (entityType.isOrHasParent(Entity1_14Types.ABSTRACT_HORSE)) {
                        wrapper.setId(0x3F);
                        wrapper.resetReader();
                        wrapper.passthrough(Type.VAR_INT);
                        wrapper.read(Type.VAR_INT);
                        Item item = wrapper.read(Type.FLAT_VAR_INT_ITEM);
                        int armorType = item == null || item.identifier() == 0 ? 0 : item.identifier() - 726;
                        if (armorType < 0 || armorType > 3) {
                            ViaBackwards.getPlatform().getLogger().warning("Received invalid horse armor: " + item);
                            wrapper.cancel();
                            return;
                        }
                        List<Metadata> metadataList = new ArrayList<>();
                        metadataList.add(new Metadata(16, Types1_13_2.META_TYPES.varIntType, armorType));
                        wrapper.write(Types1_13.METADATA_LIST, metadataList);
                    }
                }
            });
        }
    });
    RecipeRewriter recipeHandler = new RecipeRewriter1_13_2(protocol);
    protocol.registerClientbound(ClientboundPackets1_14.DECLARE_RECIPES, new PacketRemapper() {

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

                private final Set<String> removedTypes = ImmutableSet.of("crafting_special_suspiciousstew", "blasting", "smoking", "campfire_cooking", "stonecutting");

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int size = wrapper.passthrough(Type.VAR_INT);
                    int deleted = 0;
                    for (int i = 0; i < size; i++) {
                        String type = wrapper.read(Type.STRING);
                        // Recipe Identifier
                        String id = wrapper.read(Type.STRING);
                        type = type.replace("minecraft:", "");
                        if (removedTypes.contains(type)) {
                            switch(type) {
                                case "blasting":
                                case "smoking":
                                case "campfire_cooking":
                                    // Group
                                    wrapper.read(Type.STRING);
                                    // Ingredients
                                    wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT);
                                    wrapper.read(Type.FLAT_VAR_INT_ITEM);
                                    // EXP
                                    wrapper.read(Type.FLOAT);
                                    // Cooking time
                                    wrapper.read(Type.VAR_INT);
                                    break;
                                case "stonecutting":
                                    // Group?
                                    wrapper.read(Type.STRING);
                                    // Ingredients
                                    wrapper.read(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT);
                                    // Result
                                    wrapper.read(Type.FLAT_VAR_INT_ITEM);
                                    break;
                            }
                            deleted++;
                            continue;
                        }
                        wrapper.write(Type.STRING, id);
                        wrapper.write(Type.STRING, type);
                        // Handle the rest of the types
                        recipeHandler.handle(wrapper, type);
                    }
                    wrapper.set(Type.VAR_INT, 0, size - deleted);
                }
            });
        }
    });
    registerClickWindow(ServerboundPackets1_13.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
    registerCreativeInvAction(ServerboundPackets1_13.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    protocol.registerClientbound(ClientboundPackets1_14.BLOCK_BREAK_ANIMATION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.POSITION1_14, Type.POSITION);
            map(Type.BYTE);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.BLOCK_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Location
            map(Type.POSITION1_14, Type.POSITION);
            // Action id
            map(Type.UNSIGNED_BYTE);
            // Action param
            map(Type.UNSIGNED_BYTE);
            // Block id - /!\ NOT BLOCK STATE
            map(Type.VAR_INT);
            handler(wrapper -> {
                int mappedId = protocol.getMappingData().getNewBlockId(wrapper.get(Type.VAR_INT, 0));
                if (mappedId == -1) {
                    wrapper.cancel();
                    return;
                }
                wrapper.set(Type.VAR_INT, 0, mappedId);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14, Type.POSITION);
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int id = wrapper.get(Type.VAR_INT, 0);
                    wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(id));
                }
            });
        }
    });
    blockRewriter.registerMultiBlockChange(ClientboundPackets1_14.MULTI_BLOCK_CHANGE);
    protocol.registerClientbound(ClientboundPackets1_14.EXPLOSION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // X
            map(Type.FLOAT);
            // Y
            map(Type.FLOAT);
            // Z
            map(Type.FLOAT);
            // Radius
            map(Type.FLOAT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    for (int i = 0; i < 3; i++) {
                        float coord = wrapper.get(Type.FLOAT, i);
                        if (coord < 0f) {
                            coord = (float) Math.floor(coord);
                            wrapper.set(Type.FLOAT, i, coord);
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.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);
                    Chunk chunk = wrapper.read(new Chunk1_14Type());
                    wrapper.write(new Chunk1_13Type(clientWorld), chunk);
                    ChunkLightStorage.ChunkLight chunkLight = wrapper.user().get(ChunkLightStorage.class).getStoredLight(chunk.getX(), chunk.getZ());
                    for (int i = 0; i < chunk.getSections().length; i++) {
                        ChunkSection section = chunk.getSections()[i];
                        if (section == null)
                            continue;
                        ChunkSectionLight sectionLight = new ChunkSectionLightImpl();
                        section.setLight(sectionLight);
                        if (chunkLight == null) {
                            sectionLight.setBlockLight(ChunkLightStorage.FULL_LIGHT);
                            if (clientWorld.getEnvironment() == Environment.NORMAL) {
                                sectionLight.setSkyLight(ChunkLightStorage.FULL_LIGHT);
                            }
                        } else {
                            byte[] blockLight = chunkLight.getBlockLight()[i];
                            sectionLight.setBlockLight(blockLight != null ? blockLight : ChunkLightStorage.FULL_LIGHT);
                            if (clientWorld.getEnvironment() == Environment.NORMAL) {
                                byte[] skyLight = chunkLight.getSkyLight()[i];
                                sectionLight.setSkyLight(skyLight != null ? skyLight : ChunkLightStorage.FULL_LIGHT);
                            }
                        }
                        if (Via.getConfig().isNonFullBlockLightFix() && section.getNonAirBlocksCount() != 0 && sectionLight.hasBlockLight()) {
                            for (int x = 0; x < 16; x++) {
                                for (int y = 0; y < 16; y++) {
                                    for (int z = 0; z < 16; z++) {
                                        int id = section.getFlatBlock(x, y, z);
                                        if (Protocol1_14To1_13_2.MAPPINGS.getNonFullBlocks().contains(id)) {
                                            sectionLight.getBlockLightNibbleArray().set(x, y, z, 0);
                                        }
                                    }
                                }
                            }
                        }
                        for (int j = 0; j < section.getPaletteSize(); j++) {
                            int old = section.getPaletteEntry(j);
                            int newId = protocol.getMappingData().getNewBlockStateId(old);
                            section.setPaletteEntry(j, newId);
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.UNLOAD_CHUNK, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int x = wrapper.passthrough(Type.INT);
                    int z = wrapper.passthrough(Type.INT);
                    wrapper.user().get(ChunkLightStorage.class).unloadChunk(x, z);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.EFFECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Effect Id
            map(Type.INT);
            // Location
            map(Type.POSITION1_14, 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().getNewItemId(data));
                    } else if (id == 2001) {
                        // Block break + block break sound
                        wrapper.set(Type.INT, 1, protocol.getMappingData().getNewBlockStateId(data));
                    }
                }
            });
        }
    });
    registerSpawnParticle(ClientboundPackets1_14.SPAWN_PARTICLE, Type.FLAT_VAR_INT_ITEM, Type.FLOAT);
    protocol.registerClientbound(ClientboundPackets1_14.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.BYTE);
            map(Type.BOOLEAN);
            // Locked
            map(Type.BOOLEAN, Type.NOTHING);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.SPAWN_POSITION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
}

Example 4 with Chunk

use of com.viaversion.viaversion.api.minecraft.chunks.Chunk 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 5 with Chunk

use of com.viaversion.viaversion.api.minecraft.chunks.Chunk 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));
        }
    });
}