Examples with PacketHandler com.viaversion.viaversion.api.protocol.remapper.PacketHandler used on opensource projects

Example 56 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.

the class WorldPackets method register.

public static void register(Protocol protocol) {
    protocol.registerClientbound(ClientboundPackets1_8.UPDATE_SIGN, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Sign Position
            map(Type.POSITION);
            // 1 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 2 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 3 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 4 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.EFFECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Effect ID
            map(Type.INT);
            // 1 - Position
            map(Type.POSITION);
            // 2 - Data
            map(Type.INT);
            // 3 - Disable relative volume
            map(Type.BOOLEAN);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int id = wrapper.get(Type.INT, 0);
                    id = Effect.getNewId(id);
                    wrapper.set(Type.INT, 0, id);
                }
            });
            // Rewrite potion effect as it changed to use a dynamic registry
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int id = wrapper.get(Type.INT, 0);
                    if (id == 2002) {
                        int data = wrapper.get(Type.INT, 1);
                        int newData = ItemRewriter.getNewEffectID(data);
                        wrapper.set(Type.INT, 1, newData);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.NAMED_SOUND, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Sound Name
            map(Type.STRING);
            // 1 - Sound Category ID
            // Everything else get's written through
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String name = wrapper.get(Type.STRING, 0);
                    SoundEffect effect = SoundEffect.getByName(name);
                    int catid = 0;
                    String newname = name;
                    if (effect != null) {
                        catid = effect.getCategory().getId();
                        newname = effect.getNewName();
                    }
                    wrapper.set(Type.STRING, 0, newname);
                    // Write Category ID
                    wrapper.write(Type.VAR_INT, catid);
                    if (effect != null && effect.isBreaksound()) {
                        EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                        // Position X
                        int x = wrapper.passthrough(Type.INT);
                        // Position Y
                        int y = wrapper.passthrough(Type.INT);
                        // Position Z
                        int z = wrapper.passthrough(Type.INT);
                        if (tracker.interactedBlockRecently((int) Math.floor(x / 8.0), (int) Math.floor(y / 8.0), (int) Math.floor(z / 8.0))) {
                            wrapper.cancel();
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.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);
                    ClientChunks clientChunks = wrapper.user().get(ClientChunks.class);
                    Chunk chunk = wrapper.read(new Chunk1_8Type(clientWorld));
                    long chunkHash = ClientChunks.toLong(chunk.getX(), chunk.getZ());
                    // Check if the chunk should be handled as an unload packet
                    if (chunk.isFullChunk() && chunk.getBitmask() == 0) {
                        wrapper.setPacketType(ClientboundPackets1_9.UNLOAD_CHUNK);
                        wrapper.write(Type.INT, chunk.getX());
                        wrapper.write(Type.INT, chunk.getZ());
                        // Remove commandBlocks on chunk unload
                        CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
                        provider.unloadChunk(wrapper.user(), chunk.getX(), chunk.getZ());
                        clientChunks.getLoadedChunks().remove(chunkHash);
                        // Unload the empty chunks
                        if (Via.getConfig().isChunkBorderFix()) {
                            for (BlockFace face : BlockFace.HORIZONTAL) {
                                int chunkX = chunk.getX() + face.modX();
                                int chunkZ = chunk.getZ() + face.modZ();
                                if (!clientChunks.getLoadedChunks().contains(ClientChunks.toLong(chunkX, chunkZ))) {
                                    PacketWrapper unloadChunk = wrapper.create(ClientboundPackets1_9.UNLOAD_CHUNK);
                                    unloadChunk.write(Type.INT, chunkX);
                                    unloadChunk.write(Type.INT, chunkZ);
                                    unloadChunk.send(Protocol1_9To1_8.class);
                                }
                            }
                        }
                    } else {
                        Type<Chunk> chunkType = new Chunk1_9_1_2Type(clientWorld);
                        wrapper.write(chunkType, chunk);
                        clientChunks.getLoadedChunks().add(chunkHash);
                        // Send empty chunks surrounding the loaded chunk to force 1.9+ clients to render the new chunk
                        if (Via.getConfig().isChunkBorderFix()) {
                            for (BlockFace face : BlockFace.HORIZONTAL) {
                                int chunkX = chunk.getX() + face.modX();
                                int chunkZ = chunk.getZ() + face.modZ();
                                if (!clientChunks.getLoadedChunks().contains(ClientChunks.toLong(chunkX, chunkZ))) {
                                    PacketWrapper emptyChunk = wrapper.create(ClientboundPackets1_9.CHUNK_DATA);
                                    Chunk c = new BaseChunk(chunkX, chunkZ, true, false, 0, new ChunkSection[16], new int[256], new ArrayList<>());
                                    emptyChunk.write(chunkType, c);
                                    emptyChunk.send(Protocol1_9To1_8.class);
                                }
                            }
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.MAP_BULK_CHUNK, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                // Cancel the packet from being sent
                wrapper.cancel();
                ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                ClientChunks clientChunks = wrapper.user().get(ClientChunks.class);
                Chunk[] chunks = wrapper.read(new ChunkBulk1_8Type(clientWorld));
                Type<Chunk> chunkType = new Chunk1_9_1_2Type(clientWorld);
                // Split into multiple chunk packets
                for (Chunk chunk : chunks) {
                    PacketWrapper chunkData = wrapper.create(ClientboundPackets1_9.CHUNK_DATA);
                    chunkData.write(chunkType, chunk);
                    chunkData.send(Protocol1_9To1_8.class);
                    clientChunks.getLoadedChunks().add(ClientChunks.toLong(chunk.getX(), chunk.getZ()));
                    // Send empty chunks surrounding the loaded chunk to force 1.9+ clients to render the new chunk
                    if (Via.getConfig().isChunkBorderFix()) {
                        for (BlockFace face : BlockFace.HORIZONTAL) {
                            int chunkX = chunk.getX() + face.modX();
                            int chunkZ = chunk.getZ() + face.modZ();
                            if (!clientChunks.getLoadedChunks().contains(ClientChunks.toLong(chunkX, chunkZ))) {
                                PacketWrapper emptyChunk = wrapper.create(ClientboundPackets1_9.CHUNK_DATA);
                                Chunk c = new BaseChunk(chunkX, chunkZ, true, false, 0, new ChunkSection[16], new int[256], new ArrayList<>());
                                emptyChunk.write(chunkType, c);
                                emptyChunk.send(Protocol1_9To1_8.class);
                            }
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Block Position
            map(Type.POSITION);
            // 1 - Action
            map(Type.UNSIGNED_BYTE);
            // 2 - NBT (Might not be present)
            map(Type.NBT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int action = wrapper.get(Type.UNSIGNED_BYTE, 0);
                    if (action == 1) {
                        // Update Spawner
                        CompoundTag tag = wrapper.get(Type.NBT, 0);
                        if (tag != null) {
                            if (tag.contains("EntityId")) {
                                String entity = (String) tag.get("EntityId").getValue();
                                CompoundTag spawn = new CompoundTag();
                                spawn.put("id", new StringTag(entity));
                                tag.put("SpawnData", spawn);
                            } else {
                                // EntityID does not exist
                                CompoundTag spawn = new CompoundTag();
                                // Make spawners show up as empty when no EntityId is given.
                                spawn.put("id", new StringTag("AreaEffectCloud"));
                                tag.put("SpawnData", spawn);
                            }
                        }
                    }
                    if (action == 2) {
                        // Update Command Block
                        CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
                        provider.addOrUpdateBlock(wrapper.user(), wrapper.get(Type.POSITION, 0), wrapper.get(Type.NBT, 0));
                        // To prevent window issues don't send updates
                        wrapper.cancel();
                    }
                }
            });
        }
    });
    /* Incoming Packets */
    protocol.registerServerbound(ServerboundPackets1_9.UPDATE_SIGN, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Sign Position
            map(Type.POSITION);
            // 1 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 2 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 3 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 4 - Sign Line (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.PLAYER_DIGGING, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int status = wrapper.get(Type.VAR_INT, 0);
                    if (status == 6)
                        wrapper.cancel();
                }
            });
            // Blocking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int status = wrapper.get(Type.VAR_INT, 0);
                    if (status == 5 || status == 4 || status == 3) {
                        EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                        if (entityTracker.isBlocking()) {
                            entityTracker.setBlocking(false);
                            if (!Via.getConfig().isShowShieldWhenSwordInHand()) {
                                entityTracker.setSecondHand(null);
                            }
                        }
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.USE_ITEM, null, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int hand = wrapper.read(Type.VAR_INT);
                    // Wipe the input buffer
                    wrapper.clearInputBuffer();
                    // First set this packet ID to Block placement
                    wrapper.setId(0x08);
                    wrapper.write(Type.POSITION, new Position(-1, (short) -1, -1));
                    wrapper.write(Type.UNSIGNED_BYTE, (short) 255);
                    // Write item in hand
                    Item item = Protocol1_9To1_8.getHandItem(wrapper.user());
                    // Blocking patch
                    if (Via.getConfig().isShieldBlocking()) {
                        EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                        // Check if the shield is already there or if we have to give it here
                        boolean showShieldWhenSwordInHand = Via.getConfig().isShowShieldWhenSwordInHand();
                        // Method to identify the sword in hand
                        boolean isSword = showShieldWhenSwordInHand ? tracker.hasSwordInHand() : item != null && Protocol1_9To1_8.isSword(item.identifier());
                        if (isSword) {
                            if (hand == 0) {
                                if (!tracker.isBlocking()) {
                                    tracker.setBlocking(true);
                                    // Check if the shield is already in the offhand
                                    if (!showShieldWhenSwordInHand && tracker.getItemInSecondHand() == null) {
                                        // Set shield in offhand when interacting with main hand
                                        Item shield = new DataItem(442, (byte) 1, (short) 0, null);
                                        tracker.setSecondHand(shield);
                                    }
                                }
                            }
                            // Use the main hand to trigger the blocking
                            boolean blockUsingMainHand = Via.getConfig().isNoDelayShieldBlocking() && !showShieldWhenSwordInHand;
                            if (blockUsingMainHand && hand == 1 || !blockUsingMainHand && hand == 0) {
                                wrapper.cancel();
                            }
                        } else {
                            if (!showShieldWhenSwordInHand) {
                                // Remove the shield from the offhand
                                tracker.setSecondHand(null);
                            }
                            tracker.setBlocking(false);
                        }
                    }
                    wrapper.write(Type.ITEM, item);
                    wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
                    wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
                    wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.PLAYER_BLOCK_PLACEMENT, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // 2 - Hand
                    final int hand = wrapper.read(Type.VAR_INT);
                    if (hand != 0)
                        wrapper.cancel();
                }
            });
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item item = Protocol1_9To1_8.getHandItem(wrapper.user());
                    // 3 - Item
                    wrapper.write(Type.ITEM, item);
                }
            });
            // 4 - X
            map(Type.UNSIGNED_BYTE);
            // 5 - Y
            map(Type.UNSIGNED_BYTE);
            // 6 - Z
            map(Type.UNSIGNED_BYTE);
            // Register block place to fix sounds
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int face = wrapper.get(Type.UNSIGNED_BYTE, 0);
                    if (face == 255)
                        return;
                    Position p = wrapper.get(Type.POSITION, 0);
                    int x = p.x();
                    int y = p.y();
                    int z = p.z();
                    switch(face) {
                        case 0:
                            y--;
                            break;
                        case 1:
                            y++;
                            break;
                        case 2:
                            z--;
                            break;
                        case 3:
                            z++;
                            break;
                        case 4:
                            x--;
                            break;
                        case 5:
                            x++;
                            break;
                    }
                    EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    tracker.addBlockInteraction(new Position(x, y, z));
                }
            });
            // Handle CommandBlocks
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
                    Position pos = wrapper.get(Type.POSITION, 0);
                    Optional<CompoundTag> tag = provider.get(wrapper.user(), pos);
                    // Send the Update Block Entity packet if present
                    if (tag.isPresent()) {
                        PacketWrapper updateBlockEntity = PacketWrapper.create(ClientboundPackets1_9.BLOCK_ENTITY_DATA, null, wrapper.user());
                        updateBlockEntity.write(Type.POSITION, pos);
                        updateBlockEntity.write(Type.UNSIGNED_BYTE, (short) 2);
                        updateBlockEntity.write(Type.NBT, tag.get());
                        updateBlockEntity.scheduleSend(Protocol1_9To1_8.class);
                    }
                }
            });
        }
    });
}

Example 57 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.

the class InventoryPackets method registerPackets.

@Override
public void registerPackets() {
    // clear cursor item to prevent client to try dropping it during navigation between multiple inventories causing arm swing
    PacketHandler cursorRemapper = wrapper -> {
        PacketWrapper clearPacket = wrapper.create(ClientboundPackets1_16.SET_SLOT);
        clearPacket.write(Type.UNSIGNED_BYTE, (short) -1);
        clearPacket.write(Type.SHORT, (short) -1);
        clearPacket.write(Type.FLAT_VAR_INT_ITEM, null);
        clearPacket.send(Protocol1_16To1_15_2.class);
    };
    protocol.registerClientbound(ClientboundPackets1_15.OPEN_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Window Id
            map(Type.VAR_INT);
            // Window Type
            map(Type.VAR_INT);
            // Window Title
            map(Type.COMPONENT);
            handler(cursorRemapper);
            handler(wrapper -> {
                InventoryTracker1_16 inventoryTracker = wrapper.user().get(InventoryTracker1_16.class);
                int windowId = wrapper.get(Type.VAR_INT, 0);
                int windowType = wrapper.get(Type.VAR_INT, 1);
                if (windowType >= 20) {
                    // smithing added with id 20
                    wrapper.set(Type.VAR_INT, 1, ++windowType);
                }
                inventoryTracker.setInventory((short) windowId);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_15.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(cursorRemapper);
            handler(wrapper -> {
                InventoryTracker1_16 inventoryTracker = wrapper.user().get(InventoryTracker1_16.class);
                inventoryTracker.setInventory((short) -1);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_15.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 added with id 11
                        wrapper.set(Type.SHORT, 1, ++enchantmentId);
                    }
                }
            });
        }
    });
    registerSetCooldown(ClientboundPackets1_15.COOLDOWN);
    registerWindowItems(ClientboundPackets1_15.WINDOW_ITEMS, Type.FLAT_VAR_INT_ITEM_ARRAY);
    registerTradeList(ClientboundPackets1_15.TRADE_LIST, Type.FLAT_VAR_INT_ITEM);
    registerSetSlot(ClientboundPackets1_15.SET_SLOT, Type.FLAT_VAR_INT_ITEM);
    registerAdvancements(ClientboundPackets1_15.ADVANCEMENTS, Type.FLAT_VAR_INT_ITEM);
    protocol.registerClientbound(ClientboundPackets1_15.ENTITY_EQUIPMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            handler(wrapper -> {
                int slot = wrapper.read(Type.VAR_INT);
                wrapper.write(Type.BYTE, (byte) slot);
                handleItemToClient(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM));
            });
        }
    });
    new RecipeRewriter1_14(protocol).registerDefaultHandler(ClientboundPackets1_15.DECLARE_RECIPES);
    registerClickWindow(ServerboundPackets1_16.CLICK_WINDOW, Type.FLAT_VAR_INT_ITEM);
    registerCreativeInvAction(ServerboundPackets1_16.CREATIVE_INVENTORY_ACTION, Type.FLAT_VAR_INT_ITEM);
    protocol.registerServerbound(ServerboundPackets1_16.CLOSE_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                InventoryTracker1_16 inventoryTracker = wrapper.user().get(InventoryTracker1_16.class);
                inventoryTracker.setInventory((short) -1);
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_16.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> handleItemToServer(wrapper.passthrough(Type.FLAT_VAR_INT_ITEM)));
        }
    });
    registerSpawnParticle(ClientboundPackets1_15.SPAWN_PARTICLE, Type.FLAT_VAR_INT_ITEM, Type.DOUBLE);
}

Example 58 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.

the class Protocol1_9_1_2To1_9_3_4 method registerPackets.

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

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 9) {
                        Position position = wrapper.get(Type.POSITION, 0);
                        CompoundTag tag = wrapper.get(Type.NBT, 0);
                        // Clear the packet
                        wrapper.clearPacket();
                        // Update sign packet
                        wrapper.setId(ClientboundPackets1_9.UPDATE_SIGN.ordinal());
                        // Position
                        wrapper.write(Type.POSITION, position);
                        for (int i = 1; i < 5; i++) {
                            // Should technically be written as COMPONENT, but left as String for simplification/to remove redundant wrapping for VR
                            // Sign line
                            wrapper.write(Type.STRING, (String) tag.get("Text" + i).getValue());
                        }
                    }
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_9_3.CHUNK_DATA, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    Chunk1_9_3_4Type newType = new Chunk1_9_3_4Type(clientWorld);
                    // Get the old type to not write Block Entities
                    Chunk1_9_1_2Type oldType = new Chunk1_9_1_2Type(clientWorld);
                    Chunk chunk = wrapper.read(newType);
                    wrapper.write(oldType, chunk);
                    BlockEntity.handle(chunk.getBlockEntities(), wrapper.user());
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_9_3.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 {
                    ClientWorld clientChunks = wrapper.user().get(ClientWorld.class);
                    int dimensionId = wrapper.get(Type.INT, 1);
                    clientChunks.setEnvironment(dimensionId);
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_9_3.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);
                }
            });
        }
    });
}

Example 59 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.

the class Protocol1_9_3To1_9_1_2 method registerPackets.

@Override
protected void registerPackets() {
    // Sign update packet
    registerClientbound(ClientboundPackets1_9.UPDATE_SIGN, null, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // read data
                    Position position = wrapper.read(Type.POSITION);
                    JsonElement[] lines = new JsonElement[4];
                    for (int i = 0; i < 4; i++) {
                        lines[i] = wrapper.read(Type.COMPONENT);
                    }
                    wrapper.clearInputBuffer();
                    // write data
                    // Update block entity
                    wrapper.setId(0x09);
                    // Block location
                    wrapper.write(Type.POSITION, position);
                    // Action type (9 update sign)
                    wrapper.write(Type.UNSIGNED_BYTE, (short) 9);
                    // Create nbt
                    CompoundTag tag = new CompoundTag();
                    tag.put("id", new StringTag("Sign"));
                    tag.put("x", new IntTag(position.x()));
                    tag.put("y", new IntTag(position.y()));
                    tag.put("z", new IntTag(position.z()));
                    for (int i = 0; i < lines.length; i++) {
                        tag.put("Text" + (i + 1), new StringTag(lines[i].toString()));
                    }
                    wrapper.write(Type.NBT, tag);
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_9.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_9_1_2Type(clientWorld));
                    wrapper.write(new Chunk1_9_3_4Type(clientWorld), chunk);
                    List<CompoundTag> tags = chunk.getBlockEntities();
                    for (int i = 0; i < chunk.getSections().length; i++) {
                        ChunkSection section = chunk.getSections()[i];
                        if (section == null)
                            continue;
                        for (int y = 0; y < 16; y++) {
                            for (int z = 0; z < 16; z++) {
                                for (int x = 0; x < 16; x++) {
                                    int block = section.getBlockWithoutData(x, y, z);
                                    if (FakeTileEntity.isTileEntity(block)) {
                                        tags.add(FakeTileEntity.createTileEntity(x + (chunk.getX() << 4), y + (i << 4), z + (chunk.getZ() << 4), block));
                                    }
                                }
                            }
                        }
                    }
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_9.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 {
                    ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                    int dimensionId = wrapper.get(Type.INT, 1);
                    clientWorld.setEnvironment(dimensionId);
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_9.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);
                }
            });
        }
    });
    // Sound effect
    registerClientbound(ClientboundPackets1_9.SOUND, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Sound name
            map(Type.VAR_INT);
            // 1 - Sound Category
            map(Type.VAR_INT);
            // 2 - x
            map(Type.INT);
            // 3 - y
            map(Type.INT);
            // 4 - z
            map(Type.INT);
            // 5 - Volume
            map(Type.FLOAT);
            // 6 - Pitch
            map(ADJUST_PITCH);
        }
    });
}

Example 60 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.

the class Protocol1_9To1_9_1 method registerPackets.

@Override
protected void registerPackets() {
    // Currently supports 1.9.1 and 1.9.2
    registerClientbound(ClientboundPackets1_9.JOIN_GAME, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Player ID
            map(Type.INT);
            // 1 - Player Gamemode
            map(Type.UNSIGNED_BYTE);
            // 1.9.1 PRE 2 Changed this
            // 2 - Player Dimension
            map(Type.INT, Type.BYTE);
            // 3 - World Difficulty
            map(Type.UNSIGNED_BYTE);
            // 4 - Max Players (Tab)
            map(Type.UNSIGNED_BYTE);
            // 5 - Level Type
            map(Type.STRING);
            // 6 - Reduced Debug info
            map(Type.BOOLEAN);
        }
    });
    registerClientbound(ClientboundPackets1_9.SOUND, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int sound = wrapper.get(Type.VAR_INT, 0);
                    if (// Stop the Elytra sound for 1.9 (It's introduced in 1.9.2)
                    sound == 415)
                        wrapper.cancel();
                    else if (// Act like the Elytra sound never existed
                    sound >= 416)
                        wrapper.set(Type.VAR_INT, 0, sound - 1);
                }
            });
        }
    });
}