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Example 1 with BlockRewriter

use of com.viaversion.viaversion.rewriter.BlockRewriter 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)));
        }
    });
}
Also used : PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) LongArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag) Item(com.viaversion.viaversion.api.minecraft.item.Item) Protocol1_15_2To1_16(com.viaversion.viabackwards.protocol.protocol1_15_2to1_16.Protocol1_15_2To1_16) ArrayList(java.util.ArrayList) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) Type(com.viaversion.viaversion.api.type.Type) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) Chunk1_16Type(com.viaversion.viaversion.protocols.protocol1_16to1_15_2.types.Chunk1_16Type) Map(java.util.Map) MapColorRewrites(com.viaversion.viabackwards.protocol.protocol1_15_2to1_16.data.MapColorRewrites) IntArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.IntArrayTag) MapColorRewriter(com.viaversion.viabackwards.api.rewriters.MapColorRewriter) Position(com.viaversion.viaversion.api.minecraft.Position) EnchantmentRewriter(com.viaversion.viabackwards.api.rewriters.EnchantmentRewriter) Tag(com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag) RecipeRewriter1_14(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.data.RecipeRewriter1_14) InventoryPackets(com.viaversion.viaversion.protocols.protocol1_16to1_15_2.packets.InventoryPackets) StringTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag) UUID(java.util.UUID) UUIDIntArrayType(com.viaversion.viaversion.api.type.types.UUIDIntArrayType) ServerboundPackets1_14(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ServerboundPackets1_14) CompactArrayUtil(com.viaversion.viaversion.util.CompactArrayUtil) ClientboundPackets1_16(com.viaversion.viaversion.protocols.protocol1_16to1_15_2.ClientboundPackets1_16) List(java.util.List) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) Chunk1_15Type(com.viaversion.viaversion.protocols.protocol1_15to1_14_4.types.Chunk1_15Type) CompoundTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag) ClientboundPackets1_15(com.viaversion.viaversion.protocols.protocol1_15to1_14_4.ClientboundPackets1_15) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) RecipeRewriter1_14(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.data.RecipeRewriter1_14) Position(com.viaversion.viaversion.api.minecraft.Position) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) Chunk1_15Type(com.viaversion.viaversion.protocols.protocol1_15to1_14_4.types.Chunk1_15Type) MapColorRewrites(com.viaversion.viabackwards.protocol.protocol1_15_2to1_16.data.MapColorRewrites) Protocol1_15_2To1_16(com.viaversion.viabackwards.protocol.protocol1_15_2to1_16.Protocol1_15_2To1_16) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) Item(com.viaversion.viaversion.api.minecraft.item.Item) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) LongArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag) Chunk1_16Type(com.viaversion.viaversion.protocols.protocol1_16to1_15_2.types.Chunk1_16Type) ArrayList(java.util.ArrayList) List(java.util.List) LongArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag) IntArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.IntArrayTag) Tag(com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag) StringTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag) CompoundTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) CompoundTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag)

Example 2 with BlockRewriter

use of com.viaversion.viaversion.rewriter.BlockRewriter 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);
        }
    });
}
Also used : PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler) Environment(com.viaversion.viaversion.api.minecraft.Environment) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) Chunk1_14Type(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.types.Chunk1_14Type) Types1_13(com.viaversion.viaversion.api.type.types.version.Types1_13) Item(com.viaversion.viaversion.api.minecraft.item.Item) ListTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.ListTag) Metadata(com.viaversion.viaversion.api.minecraft.metadata.Metadata) ArrayList(java.util.ArrayList) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) Type(com.viaversion.viaversion.api.type.Type) ChunkLightStorage(com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.ChunkLightStorage) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) ServerboundPackets1_13(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ServerboundPackets1_13) Protocol1_14To1_13_2(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.Protocol1_14To1_13_2) Protocol1_13_2To1_14(com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14) Chunk1_13Type(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.types.Chunk1_13Type) ChunkSectionLightImpl(com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionLightImpl) ImmutableSet(com.google.common.collect.ImmutableSet) Types1_13_2(com.viaversion.viaversion.api.type.types.version.Types1_13_2) EnchantmentRewriter(com.viaversion.viabackwards.api.rewriters.EnchantmentRewriter) JsonElement(com.viaversion.viaversion.libs.gson.JsonElement) Tag(com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag) ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld) Set(java.util.Set) EntityType(com.viaversion.viaversion.api.minecraft.entities.EntityType) StringTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.StringTag) RecipeRewriter1_13_2(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.RecipeRewriter1_13_2) Via(com.viaversion.viaversion.api.Via) ChunkSectionLight(com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionLight) RecipeRewriter(com.viaversion.viaversion.rewriter.RecipeRewriter) ClientboundPackets1_13(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13) JsonObject(com.viaversion.viaversion.libs.gson.JsonObject) List(java.util.List) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) ChatRewriter(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ChatRewriter) ViaBackwards(com.viaversion.viabackwards.ViaBackwards) CompoundTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) ClientboundPackets1_14(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ClientboundPackets1_14) Entity1_14Types(com.viaversion.viaversion.api.minecraft.entities.Entity1_14Types) ImmutableSet(com.google.common.collect.ImmutableSet) Set(java.util.Set) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) Metadata(com.viaversion.viaversion.api.minecraft.metadata.Metadata) ArrayList(java.util.ArrayList) Chunk1_14Type(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.types.Chunk1_14Type) JsonObject(com.viaversion.viaversion.libs.gson.JsonObject) RecipeRewriter1_13_2(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.data.RecipeRewriter1_13_2) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) Item(com.viaversion.viaversion.api.minecraft.item.Item) ChunkSectionLight(com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionLight) Chunk1_13Type(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.types.Chunk1_13Type) ChunkLightStorage(com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.storage.ChunkLightStorage) RecipeRewriter(com.viaversion.viaversion.rewriter.RecipeRewriter) ChunkSectionLightImpl(com.viaversion.viaversion.api.minecraft.chunks.ChunkSectionLightImpl) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) EntityType(com.viaversion.viaversion.api.minecraft.entities.EntityType) PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) JsonElement(com.viaversion.viaversion.libs.gson.JsonElement) ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) Protocol1_13_2To1_14(com.viaversion.viabackwards.protocol.protocol1_13_2to1_14.Protocol1_13_2To1_14)

Example 3 with BlockRewriter

use of com.viaversion.viaversion.rewriter.BlockRewriter in project ViaVersion by ViaVersion.

the class WorldPackets method register.

public static void register(Protocol protocol) {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION);
    protocol.registerClientbound(ClientboundPackets1_13.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.passthrough(new Chunk1_13Type(clientWorld));
                    for (ChunkSection section : chunk.getSections()) {
                        if (section == null)
                            continue;
                        for (int i = 0; i < section.getPaletteSize(); i++) {
                            section.setPaletteEntry(i, protocol.getMappingData().getNewBlockStateId(section.getPaletteEntry(i)));
                        }
                    }
                }
            });
        }
    });
    blockRewriter.registerBlockAction(ClientboundPackets1_13.BLOCK_ACTION);
    blockRewriter.registerBlockChange(ClientboundPackets1_13.BLOCK_CHANGE);
    blockRewriter.registerMultiBlockChange(ClientboundPackets1_13.MULTI_BLOCK_CHANGE);
    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(wrapper -> {
                int id = wrapper.get(Type.INT, 0);
                if (id == 2000) {
                    // Smoke
                    int data = wrapper.get(Type.INT, 1);
                    switch(data) {
                        case // North
                        1:
                            // North
                            wrapper.set(Type.INT, 1, 2);
                            break;
                        // North-West
                        case 0:
                        // West
                        case 3:
                        case // South-West
                        6:
                            // West
                            wrapper.set(Type.INT, 1, 4);
                            break;
                        // North-East
                        case 2:
                        // East
                        case 5:
                        case // South-East
                        8:
                            // East
                            wrapper.set(Type.INT, 1, 5);
                            break;
                        case // South
                        7:
                            // South
                            wrapper.set(Type.INT, 1, 3);
                            break;
                        default:
                            // Self and other directions
                            // Down
                            wrapper.set(Type.INT, 1, 0);
                            break;
                    }
                } else if (id == 1010) {
                    // Play record
                    wrapper.set(Type.INT, 1, protocol.getMappingData().getNewItemId(wrapper.get(Type.INT, 1)));
                } else if (id == 2001) {
                    // Block break + block break sound
                    wrapper.set(Type.INT, 1, protocol.getMappingData().getNewBlockStateId(wrapper.get(Type.INT, 1)));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.JOIN_GAME, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.INT);
            // 1 - Gamemode
            map(Type.UNSIGNED_BYTE);
            // 2 - Dimension
            map(Type.INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Store the player
                    ClientWorld clientChunks = wrapper.user().get(ClientWorld.class);
                    int dimensionId = wrapper.get(Type.INT, 1);
                    clientChunks.setEnvironment(dimensionId);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.RESPAWN, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Dimension ID
            map(Type.INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    int dimensionId = wrapper.get(Type.INT, 0);
                    clientWorld.setEnvironment(dimensionId);
                }
            });
        }
    });
}
Also used : PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) ClientboundPackets1_13(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.ClientboundPackets1_13) Type(com.viaversion.viaversion.api.type.Type) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) Protocol(com.viaversion.viaversion.api.protocol.Protocol) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) Chunk1_13Type(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.types.Chunk1_13Type) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) Chunk1_13Type(com.viaversion.viaversion.protocols.protocol1_13to1_12_2.types.Chunk1_13Type) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) ClientWorld(com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection)

Example 4 with BlockRewriter

use of com.viaversion.viaversion.rewriter.BlockRewriter in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_17 method registerPackets.

@Override
protected void registerPackets() {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
    new RecipeRewriter1_16(protocol).registerDefaultHandler(ClientboundPackets1_17.DECLARE_RECIPES);
    registerSetCooldown(ClientboundPackets1_17.COOLDOWN);
    registerWindowItems(ClientboundPackets1_17.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_17.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerEntityEquipmentArray(ClientboundPackets1_17.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
    registerTradeList(ClientboundPackets1_17.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_17.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_17.ACKNOWLEDGE_PLAYER_DIGGING);
    blockRewriter.registerBlockAction(ClientboundPackets1_17.BLOCK_ACTION);
    blockRewriter.registerEffect(ClientboundPackets1_17.EFFECT, 1010, 2001);
    registerCreativeInvAction(ServerboundPackets1_16_2.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    protocol.registerServerbound(ServerboundPackets1_16_2.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
        }
    });
    // TODO This will cause desync issues for players under certain circumstances, but mostly works:tm:
    protocol.registerServerbound(ServerboundPackets1_16_2.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Window Id
            map(Type.UNSIGNED_BYTE);
            // Slot
            map(Type.SHORT);
            // Button
            map(Type.BYTE);
            // Action id - removed
            map(Type.SHORT, Type.NOTHING);
            // Mode
            map(Type.VAR_INT);
            handler(wrapper -> {
                // The 1.17 client would check the entire inventory for changes before -> after a click and send the changed slots here
                // Empty array of slot+item
                wrapper.write(Type.VAR_INT, 0);
                // Expected is the carried item after clicking, old clients send the clicked one (*mostly* being the same)
                handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_16_2.WINDOW_CONFIRMATION, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.cancel();
                if (!ViaBackwards.getConfig().handlePingsAsInvAcknowledgements()) {
                    return;
                }
                // Handle ping packet replacement
                short inventoryId = wrapper.read(Type.UNSIGNED_BYTE);
                short confirmationId = wrapper.read(Type.SHORT);
                boolean accepted = wrapper.read(Type.BOOLEAN);
                if (inventoryId == 0 && accepted && wrapper.user().get(PingRequests.class).removeId(confirmationId)) {
                    PacketWrapper pongPacket = wrapper.create(ServerboundPackets1_17.PONG);
                    pongPacket.write(Type.INT, (int) confirmationId);
                    pongPacket.sendToServer(Protocol1_16_4To1_17.class);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.SPAWN_PARTICLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Particle id
            map(Type.INT);
            // Long distance
            map(Type.BOOLEAN);
            // X
            map(Type.DOUBLE);
            // Y
            map(Type.DOUBLE);
            // Z
            map(Type.DOUBLE);
            // Offset X
            map(Type.FLOAT);
            // Offset Y
            map(Type.FLOAT);
            // Offset Z
            map(Type.FLOAT);
            // Particle data
            map(Type.FLOAT);
            // Particle count
            map(Type.INT);
            handler(wrapper -> {
                int id = wrapper.get(Type.INT, 0);
                if (id == 16) {
                    // R
                    wrapper.passthrough(Type.FLOAT);
                    // G
                    wrapper.passthrough(Type.FLOAT);
                    // B
                    wrapper.passthrough(Type.FLOAT);
                    // Scale
                    wrapper.passthrough(Type.FLOAT);
                    // Dust color transition -> Dust
                    // R
                    wrapper.read(Type.FLOAT);
                    // G
                    wrapper.read(Type.FLOAT);
                    // B
                    wrapper.read(Type.FLOAT);
                } else if (id == 37) {
                    // Vibration signal - no nice mapping possible without tracking entity positions and doing particle tasks
                    wrapper.set(Type.INT, 0, -1);
                    wrapper.cancel();
                }
            });
            handler(getSpawnParticleHandler(Type.FLAT_VAR_INT_ITEM));
        }
    });
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_SIZE, ClientboundPackets1_16_2.WORLD_BORDER, 0);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_LERP_SIZE, ClientboundPackets1_16_2.WORLD_BORDER, 1);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_CENTER, ClientboundPackets1_16_2.WORLD_BORDER, 2);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_INIT, ClientboundPackets1_16_2.WORLD_BORDER, 3);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_WARNING_DELAY, ClientboundPackets1_16_2.WORLD_BORDER, 4);
    protocol.mergePacket(ClientboundPackets1_17.WORLD_BORDER_WARNING_DISTANCE, ClientboundPackets1_16_2.WORLD_BORDER, 5);
    // The Great Shrunkening
    // Chunk sections *will* be lost ¯\_(ツ)_/¯
    protocol.registerClientbound(ClientboundPackets1_17.UPDATE_LIGHT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // X
            map(Type.VAR_INT);
            // Z
            map(Type.VAR_INT);
            // Trust edges
            map(Type.BOOLEAN);
            handler(wrapper -> {
                EntityTracker tracker = wrapper.user().getEntityTracker(Protocol1_16_4To1_17.class);
                int startFromSection = Math.max(0, -(tracker.currentMinY() >> 4));
                long[] skyLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                long[] blockLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                int cutSkyLightMask = cutLightMask(skyLightMask, startFromSection);
                int cutBlockLightMask = cutLightMask(blockLightMask, startFromSection);
                wrapper.write(Type.VAR_INT, cutSkyLightMask);
                wrapper.write(Type.VAR_INT, cutBlockLightMask);
                long[] emptySkyLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                long[] emptyBlockLightMask = wrapper.read(Type.LONG_ARRAY_PRIMITIVE);
                wrapper.write(Type.VAR_INT, cutLightMask(emptySkyLightMask, startFromSection));
                wrapper.write(Type.VAR_INT, cutLightMask(emptyBlockLightMask, startFromSection));
                writeLightArrays(wrapper, BitSet.valueOf(skyLightMask), cutSkyLightMask, startFromSection, tracker.currentWorldSectionHeight());
                writeLightArrays(wrapper, BitSet.valueOf(blockLightMask), cutBlockLightMask, startFromSection, tracker.currentWorldSectionHeight());
            });
        }

        private void writeLightArrays(PacketWrapper wrapper, BitSet bitMask, int cutBitMask, int startFromSection, int sectionHeight) throws Exception {
            // Length - throw it away
            wrapper.read(Type.VAR_INT);
            List<byte[]> light = new ArrayList<>();
            // Remove lower bounds
            for (int i = 0; i < startFromSection; i++) {
                if (bitMask.get(i)) {
                    wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                }
            }
            // Add the important 18 sections
            for (int i = 0; i < 18; i++) {
                if (isSet(cutBitMask, i)) {
                    light.add(wrapper.read(Type.BYTE_ARRAY_PRIMITIVE));
                }
            }
            // Remove upper bounds
            for (int i = startFromSection + 18; i < sectionHeight + 2; i++) {
                if (bitMask.get(i)) {
                    wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                }
            }
            // Aaand we're done
            for (byte[] bytes : light) {
                wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, bytes);
            }
        }

        private boolean isSet(int mask, int i) {
            return (mask & (1 << i)) != 0;
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        public void registerMap() {
            // Chunk pos
            map(Type.LONG);
            // Suppress light updates
            map(Type.BOOLEAN);
            handler((wrapper) -> {
                // Remove sections below y 0 and above 255
                long chunkPos = wrapper.get(Type.LONG, 0);
                int chunkY = (int) (chunkPos << 44 >> 44);
                if (chunkY < 0 || chunkY > 15) {
                    wrapper.cancel();
                    return;
                }
                BlockChangeRecord[] records = wrapper.passthrough(Type.VAR_LONG_BLOCK_CHANGE_RECORD_ARRAY);
                for (BlockChangeRecord record : records) {
                    record.setBlockId(protocol.getMappingData().getNewBlockStateId(record.getBlockId()));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.BLOCK_CHANGE, new PacketRemapper() {

        public void registerMap() {
            map(Type.POSITION1_14);
            map(Type.VAR_INT);
            handler((wrapper) -> {
                int y = wrapper.get(Type.POSITION1_14, 0).getY();
                if (y < 0 || y > 255) {
                    wrapper.cancel();
                    return;
                }
                wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(wrapper.get(Type.VAR_INT, 0)));
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.CHUNK_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                EntityTracker tracker = wrapper.user().getEntityTracker(Protocol1_16_4To1_17.class);
                int currentWorldSectionHeight = tracker.currentWorldSectionHeight();
                Chunk chunk = wrapper.read(new Chunk1_17Type(currentWorldSectionHeight));
                wrapper.write(new Chunk1_16_2Type(), chunk);
                // Cut sections
                int startFromSection = Math.max(0, -(tracker.currentMinY() >> 4));
                chunk.setBiomeData(Arrays.copyOfRange(chunk.getBiomeData(), startFromSection * 64, (startFromSection * 64) + 1024));
                chunk.setBitmask(cutMask(chunk.getChunkMask(), startFromSection, false));
                chunk.setChunkMask(null);
                ChunkSection[] sections = Arrays.copyOfRange(chunk.getSections(), startFromSection, startFromSection + 16);
                chunk.setSections(sections);
                CompoundTag heightMaps = chunk.getHeightMap();
                for (Tag heightMapTag : heightMaps.values()) {
                    LongArrayTag heightMap = (LongArrayTag) heightMapTag;
                    int[] heightMapData = new int[256];
                    int bitsPerEntry = MathUtil.ceilLog2((currentWorldSectionHeight << 4) + 1);
                    // Shift back to 0 based and clamp to normal height with 9 bits
                    CompactArrayUtil.iterateCompactArrayWithPadding(bitsPerEntry, heightMapData.length, heightMap.getValue(), (i, v) -> heightMapData[i] = MathUtil.clamp(v + tracker.currentMinY(), 0, 255));
                    heightMap.setValue(CompactArrayUtil.createCompactArrayWithPadding(9, heightMapData.length, i -> heightMapData[i]));
                }
                for (int i = 0; i < 16; i++) {
                    ChunkSection section = sections[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));
                    }
                }
                chunk.getBlockEntities().removeIf(compound -> {
                    NumberTag tag = compound.get("y");
                    return tag != null && tag.asInt() < 0;
                });
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int y = wrapper.passthrough(Type.POSITION1_14).getY();
                if (y < 0 || y > 255) {
                    wrapper.cancel();
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.BLOCK_BREAK_ANIMATION, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            handler(wrapper -> {
                int y = wrapper.passthrough(Type.POSITION1_14).getY();
                if (y < 0 || y > 255) {
                    wrapper.cancel();
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_17.MAP_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Map ID
            map(Type.VAR_INT);
            // Scale
            map(Type.BYTE);
            // Tracking position
            handler(wrapper -> wrapper.write(Type.BOOLEAN, true));
            // Locked
            map(Type.BOOLEAN);
            handler(wrapper -> {
                boolean hasMarkers = wrapper.read(Type.BOOLEAN);
                if (!hasMarkers) {
                    // Array size
                    wrapper.write(Type.VAR_INT, 0);
                } else {
                    MapColorRewriter.getRewriteHandler(MapColorRewrites::getMappedColor).handle(wrapper);
                }
            });
        }
    });
}
Also used : ClientboundPackets1_17(com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ClientboundPackets1_17) MathUtil(com.viaversion.viaversion.util.MathUtil) Arrays(java.util.Arrays) ServerboundPackets1_17(com.viaversion.viaversion.protocols.protocol1_17to1_16_4.ServerboundPackets1_17) PingRequests(com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PingRequests) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) LongArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag) ArrayList(java.util.ArrayList) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) Type(com.viaversion.viaversion.api.type.Type) Chunk1_17Type(com.viaversion.viaversion.protocols.protocol1_17to1_16_4.types.Chunk1_17Type) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) MapColorRewrites(com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.data.MapColorRewrites) MapColorRewriter(com.viaversion.viabackwards.api.rewriters.MapColorRewriter) Protocol1_16_4To1_17(com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.Protocol1_16_4To1_17) Tag(com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag) EntityTracker(com.viaversion.viaversion.api.data.entity.EntityTracker) BlockChangeRecord(com.viaversion.viaversion.api.minecraft.BlockChangeRecord) CompactArrayUtil(com.viaversion.viaversion.util.CompactArrayUtil) ClientboundPackets1_16_2(com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2) NumberTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.NumberTag) List(java.util.List) ServerboundPackets1_16_2(com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ServerboundPackets1_16_2) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) ItemRewriter(com.viaversion.viabackwards.api.rewriters.ItemRewriter) Chunk1_16_2Type(com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type) ViaBackwards(com.viaversion.viabackwards.ViaBackwards) CompoundTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) BitSet(java.util.BitSet) RecipeRewriter1_16(com.viaversion.viaversion.protocols.protocol1_16to1_15_2.data.RecipeRewriter1_16) Chunk1_17Type(com.viaversion.viaversion.protocols.protocol1_17to1_16_4.types.Chunk1_17Type) RecipeRewriter1_16(com.viaversion.viaversion.protocols.protocol1_16to1_15_2.data.RecipeRewriter1_16) PingRequests(com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.storage.PingRequests) EntityTracker(com.viaversion.viaversion.api.data.entity.EntityTracker) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) BitSet(java.util.BitSet) MapColorRewrites(com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.data.MapColorRewrites) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) BlockChangeRecord(com.viaversion.viaversion.api.minecraft.BlockChangeRecord) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) LongArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag) NumberTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.NumberTag) ArrayList(java.util.ArrayList) List(java.util.List) Chunk1_16_2Type(com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type) LongArrayTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.LongArrayTag) Tag(com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag) NumberTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.NumberTag) CompoundTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag) Protocol1_16_4To1_17(com.viaversion.viabackwards.protocol.protocol1_16_4to1_17.Protocol1_16_4To1_17) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) CompoundTag(com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag)

Example 5 with BlockRewriter

use of com.viaversion.viaversion.rewriter.BlockRewriter in project ViaBackwards by ViaVersion.

the class BlockItemPackets1_15 method registerPackets.

@Override
protected void registerPackets() {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION1_14);
    new RecipeRewriter1_14(protocol).registerDefaultHandler(ClientboundPackets1_15.DECLARE_RECIPES);
    protocol.registerServerbound(ServerboundPackets1_14.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
        }
    });
    registerSetCooldown(ClientboundPackets1_15.COOLDOWN);
    registerWindowItems(ClientboundPackets1_15.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_15.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerTradeList(ClientboundPackets1_15.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
    registerEntityEquipment(ClientboundPackets1_15.ENTITY_EQUIPMENT, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_15.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    registerClickWindow(ServerboundPackets1_14.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
    registerCreativeInvAction(ServerboundPackets1_14.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    blockRewriter.registerAcknowledgePlayerDigging(ClientboundPackets1_15.ACKNOWLEDGE_PLAYER_DIGGING);
    blockRewriter.registerBlockAction(ClientboundPackets1_15.BLOCK_ACTION);
    blockRewriter.registerBlockChange(ClientboundPackets1_15.BLOCK_CHANGE);
    blockRewriter.registerMultiBlockChange(ClientboundPackets1_15.MULTI_BLOCK_CHANGE);
    protocol.registerClientbound(ClientboundPackets1_15.CHUNK_DATA, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Chunk chunk = wrapper.read(new Chunk1_15Type());
                    wrapper.write(new Chunk1_14Type(), chunk);
                    if (chunk.isFullChunk()) {
                        int[] biomeData = chunk.getBiomeData();
                        int[] newBiomeData = new int[256];
                        for (int i = 0; i < 4; ++i) {
                            for (int j = 0; j < 4; ++j) {
                                int x = j << 2;
                                int z = i << 2;
                                int newIndex = z << 4 | x;
                                int oldIndex = i << 2 | j;
                                int biome = biomeData[oldIndex];
                                for (int k = 0; k < 4; k++) {
                                    int offX = newIndex + (k << 4);
                                    for (int l = 0; l < 4; l++) {
                                        newBiomeData[offX + l] = biome;
                                    }
                                }
                            }
                        }
                        chunk.setBiomeData(newBiomeData);
                    }
                    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);
                            int newId = protocol.getMappingData().getNewBlockStateId(old);
                            section.setPaletteEntry(j, newId);
                        }
                    }
                }
            });
        }
    });
    blockRewriter.registerEffect(ClientboundPackets1_15.EFFECT, 1010, 2001);
    protocol.registerClientbound(ClientboundPackets1_15.SPAWN_PARTICLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Particle ID
            map(Type.INT);
            // 1 - Long Distance
            map(Type.BOOLEAN);
            // 2 - X
            map(Type.DOUBLE, Type.FLOAT);
            // 3 - Y
            map(Type.DOUBLE, Type.FLOAT);
            // 4 - Z
            map(Type.DOUBLE, 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 id = wrapper.get(Type.INT, 0);
                    if (id == 3 || id == 23) {
                        int data = wrapper.passthrough(Type.VAR_INT);
                        wrapper.set(Type.VAR_INT, 0, protocol.getMappingData().getNewBlockStateId(data));
                    } else if (id == 32) {
                        Item item = handleItemToClient(wrapper.read(Type.FLAT_VAR_INT_ITEM));
                        wrapper.write(Type.FLAT_VAR_INT_ITEM, item);
                    }
                    int mappedId = protocol.getMappingData().getNewParticleId(id);
                    if (id != mappedId) {
                        wrapper.set(Type.INT, 0, mappedId);
                    }
                }
            });
        }
    });
}
Also used : PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler) RecipeRewriter1_14(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.data.RecipeRewriter1_14) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) Chunk1_14Type(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.types.Chunk1_14Type) Item(com.viaversion.viaversion.api.minecraft.item.Item) ServerboundPackets1_14(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.ServerboundPackets1_14) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) Type(com.viaversion.viaversion.api.type.Type) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) Protocol1_14_4To1_15(com.viaversion.viabackwards.protocol.protocol1_14_4to1_15.Protocol1_14_4To1_15) Chunk1_15Type(com.viaversion.viaversion.protocols.protocol1_15to1_14_4.types.Chunk1_15Type) ClientboundPackets1_15(com.viaversion.viaversion.protocols.protocol1_15to1_14_4.ClientboundPackets1_15) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection) RecipeRewriter1_14(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.data.RecipeRewriter1_14) PacketRemapper(com.viaversion.viaversion.api.protocol.remapper.PacketRemapper) Chunk1_15Type(com.viaversion.viaversion.protocols.protocol1_15to1_14_4.types.Chunk1_15Type) Chunk1_14Type(com.viaversion.viaversion.protocols.protocol1_14to1_13_2.types.Chunk1_14Type) Chunk(com.viaversion.viaversion.api.minecraft.chunks.Chunk) BlockRewriter(com.viaversion.viaversion.rewriter.BlockRewriter) Item(com.viaversion.viaversion.api.minecraft.item.Item) PacketHandler(com.viaversion.viaversion.api.protocol.remapper.PacketHandler) PacketWrapper(com.viaversion.viaversion.api.protocol.packet.PacketWrapper) ChunkSection(com.viaversion.viaversion.api.minecraft.chunks.ChunkSection)

Aggregations

Chunk (com.viaversion.viaversion.api.minecraft.chunks.Chunk)12 ChunkSection (com.viaversion.viaversion.api.minecraft.chunks.ChunkSection)12 PacketRemapper (com.viaversion.viaversion.api.protocol.remapper.PacketRemapper)12 BlockRewriter (com.viaversion.viaversion.rewriter.BlockRewriter)12 PacketWrapper (com.viaversion.viaversion.api.protocol.packet.PacketWrapper)10 Type (com.viaversion.viaversion.api.type.Type)10 PacketHandler (com.viaversion.viaversion.api.protocol.remapper.PacketHandler)6 ArrayList (java.util.ArrayList)5 List (java.util.List)5 BlockChangeRecord (com.viaversion.viaversion.api.minecraft.BlockChangeRecord)4 CompoundTag (com.viaversion.viaversion.libs.opennbt.tag.builtin.CompoundTag)4 Tag (com.viaversion.viaversion.libs.opennbt.tag.builtin.Tag)4 Chunk1_13Type (com.viaversion.viaversion.protocols.protocol1_13to1_12_2.types.Chunk1_13Type)4 ClientboundPackets1_16_2 (com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.ClientboundPackets1_16_2)4 Chunk1_16_2Type (com.viaversion.viaversion.protocols.protocol1_16_2to1_16_1.types.Chunk1_16_2Type)4 ClientWorld (com.viaversion.viaversion.protocols.protocol1_9_3to1_9_1_2.storage.ClientWorld)4 CompoundTag (com.github.steveice10.opennbt.tag.builtin.CompoundTag)3 Chunk1_14Type (com.viaversion.viaversion.protocols.protocol1_14to1_13_2.types.Chunk1_14Type)3 Chunk1_15Type (com.viaversion.viaversion.protocols.protocol1_15to1_14_4.types.Chunk1_15Type)3 Chunk1_16Type (com.viaversion.viaversion.protocols.protocol1_16to1_15_2.types.Chunk1_16Type)3