Examples with Item com.viaversion.viaversion.api.minecraft.item.Item used on opensource projects

Example 6 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item 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 7 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item 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 8 with Item

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

the class ItemPackets1_11_1 method registerPackets.

@Override
protected void registerPackets() {
    registerSetSlot(ClientboundPackets1_9_3.SET_SLOT, Type.ITEM);
    registerWindowItems(ClientboundPackets1_9_3.WINDOW_ITEMS, Type.ITEM_ARRAY);
    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);
                        }
                    }
                }
            });
        }
    });
    registerClickWindow(ServerboundPackets1_9_3.CLICK_WINDOW, Type.ITEM);
    registerCreativeInvAction(ServerboundPackets1_9_3.CREATIVE_INVENTORY_ACTION, Type.ITEM);
    // Handle item metadata
    protocol.getEntityRewriter().filter().handler((event, meta) -> {
        if (meta.metaType().type().equals(Type.ITEM)) {
            // Is Item
            meta.setValue(handleItemToClient((Item) meta.getValue()));
        }
    });
}

Example 9 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item in project ViaVersion by ViaVersion.

the class FlatVarIntItemType method read.

@Override
public Item read(ByteBuf buffer) throws Exception {
    boolean present = buffer.readBoolean();
    if (!present) {
        return null;
    } else {
        Item item = new DataItem();
        item.setIdentifier(VAR_INT.readPrimitive(buffer));
        item.setAmount(buffer.readByte());
        item.setTag(NBT.read(buffer));
        return item;
    }
}

Example 10 with Item

use of com.viaversion.viaversion.api.minecraft.item.Item in project ViaVersion by ViaVersion.

the class InventoryPackets method registerPackets.

@Override
public void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_12_1.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, Type.FLAT_ITEM);
            handler(itemToClientHandler(Type.FLAT_ITEM));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.WINDOW_ITEMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Values
            map(Type.ITEM_ARRAY, Type.FLAT_ITEM_ARRAY);
            handler(itemArrayHandler(Type.FLAT_ITEM_ARRAY));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.WINDOW_PROPERTY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Window id
            map(Type.UNSIGNED_BYTE);
            // Property
            map(Type.SHORT);
            // Value
            map(Type.SHORT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    short property = wrapper.get(Type.SHORT, 0);
                    if (property >= 4 && property <= 6) {
                        // Enchantment id
                        wrapper.set(Type.SHORT, 1, (short) protocol.getMappingData().getEnchantmentMappings().getNewId(wrapper.get(Type.SHORT, 1)));
                    }
                }
            });
        }
    });
    // Plugin message Packet -> Trading
    protocol.registerClientbound(ClientboundPackets1_12_1.PLUGIN_MESSAGE, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String channel = wrapper.get(Type.STRING, 0);
                    // Handle stopsound change
                    if (channel.equalsIgnoreCase("MC|StopSound")) {
                        String originalSource = wrapper.read(Type.STRING);
                        String originalSound = wrapper.read(Type.STRING);
                        // Reset the packet
                        wrapper.clearPacket();
                        wrapper.setId(0x4C);
                        byte flags = 0;
                        // Placeholder
                        wrapper.write(Type.BYTE, flags);
                        if (!originalSource.isEmpty()) {
                            flags |= 1;
                            Optional<SoundSource> finalSource = SoundSource.findBySource(originalSource);
                            if (!finalSource.isPresent()) {
                                if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                                    Via.getPlatform().getLogger().info("Could not handle unknown sound source " + originalSource + " falling back to default: master");
                                }
                                finalSource = Optional.of(SoundSource.MASTER);
                            }
                            wrapper.write(Type.VAR_INT, finalSource.get().getId());
                        }
                        if (!originalSound.isEmpty()) {
                            flags |= 2;
                            wrapper.write(Type.STRING, originalSound);
                        }
                        // Update flags
                        wrapper.set(Type.BYTE, 0, flags);
                        return;
                    } else if (channel.equalsIgnoreCase("MC|TrList")) {
                        channel = "minecraft:trader_list";
                        // Passthrough Window ID
                        wrapper.passthrough(Type.INT);
                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                        for (int i = 0; i < size; i++) {
                            // Input Item
                            Item input = wrapper.read(Type.ITEM);
                            handleItemToClient(input);
                            wrapper.write(Type.FLAT_ITEM, input);
                            // Output Item
                            Item output = wrapper.read(Type.ITEM);
                            handleItemToClient(output);
                            wrapper.write(Type.FLAT_ITEM, output);
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem) {
                                // Second Item
                                Item second = wrapper.read(Type.ITEM);
                                handleItemToClient(second);
                                wrapper.write(Type.FLAT_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);
                        }
                    } else {
                        String old = channel;
                        channel = getNewPluginChannelId(channel);
                        if (channel == null) {
                            if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                                Via.getPlatform().getLogger().warning("Ignoring outgoing plugin message with channel: " + old);
                            }
                            wrapper.cancel();
                            return;
                        } else if (channel.equals("minecraft:register") || channel.equals("minecraft:unregister")) {
                            String[] channels = new String(wrapper.read(Type.REMAINING_BYTES), StandardCharsets.UTF_8).split("\0");
                            List<String> rewrittenChannels = new ArrayList<>();
                            for (int i = 0; i < channels.length; i++) {
                                String rewritten = getNewPluginChannelId(channels[i]);
                                if (rewritten != null) {
                                    rewrittenChannels.add(rewritten);
                                } else if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                                    Via.getPlatform().getLogger().warning("Ignoring plugin channel in outgoing REGISTER: " + channels[i]);
                                }
                            }
                            if (!rewrittenChannels.isEmpty()) {
                                wrapper.write(Type.REMAINING_BYTES, Joiner.on('\0').join(rewrittenChannels).getBytes(StandardCharsets.UTF_8));
                            } else {
                                wrapper.cancel();
                                return;
                            }
                        }
                    }
                    wrapper.set(Type.STRING, 0, channel);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12_1.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.ITEM, Type.FLAT_ITEM);
            handler(itemToClientHandler(Type.FLAT_ITEM));
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.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.FLAT_ITEM, Type.ITEM);
            handler(itemToServerHandler(Type.ITEM));
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String channel = wrapper.get(Type.STRING, 0);
                    String old = channel;
                    channel = getOldPluginChannelId(channel);
                    if (channel == null) {
                        if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                            Via.getPlatform().getLogger().warning("Ignoring incoming plugin message with channel: " + old);
                        }
                        wrapper.cancel();
                        return;
                    } else if (channel.equals("REGISTER") || channel.equals("UNREGISTER")) {
                        String[] channels = new String(wrapper.read(Type.REMAINING_BYTES), StandardCharsets.UTF_8).split("\0");
                        List<String> rewrittenChannels = new ArrayList<>();
                        for (int i = 0; i < channels.length; i++) {
                            String rewritten = getOldPluginChannelId(channels[i]);
                            if (rewritten != null) {
                                rewrittenChannels.add(rewritten);
                            } else if (!Via.getConfig().isSuppressConversionWarnings() || Via.getManager().isDebug()) {
                                Via.getPlatform().getLogger().warning("Ignoring plugin channel in incoming REGISTER: " + channels[i]);
                            }
                        }
                        wrapper.write(Type.REMAINING_BYTES, Joiner.on('\0').join(rewrittenChannels).getBytes(StandardCharsets.UTF_8));
                    }
                    wrapper.set(Type.STRING, 0, channel);
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.CREATIVE_INVENTORY_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Slot
            map(Type.SHORT);
            // 1 - Clicked Item
            map(Type.FLAT_ITEM, Type.ITEM);
            handler(itemToServerHandler(Type.ITEM));
        }
    });
}