Examples with PacketWrapper com.viaversion.viaversion.api.protocol.packet.PacketWrapper used on opensource projects

Example 51 with PacketWrapper

use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper 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);
                }
            });
        }
    });
}

Example 52 with PacketWrapper

use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaVersion by ViaVersion.

the class Protocol1_13_2To1_13_1 method registerPackets.

@Override
protected void registerPackets() {
    InventoryPackets.register(this);
    WorldPackets.register(this);
    EntityPackets.register(this);
    registerServerbound(ServerboundPackets1_13.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.FLAT_VAR_INT_ITEM, Type.FLAT_ITEM);
        }
    });
    registerClientbound(ClientboundPackets1_13.ADVANCEMENTS, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Reset/clear
                    wrapper.passthrough(Type.BOOLEAN);
                    // Mapping size
                    int size = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < size; i++) {
                        // Identifier
                        wrapper.passthrough(Type.STRING);
                        // Parent
                        if (wrapper.passthrough(Type.BOOLEAN))
                            wrapper.passthrough(Type.STRING);
                        // Display data
                        if (wrapper.passthrough(Type.BOOLEAN)) {
                            // Title
                            wrapper.passthrough(Type.COMPONENT);
                            // Description
                            wrapper.passthrough(Type.COMPONENT);
                            Item icon = wrapper.read(Type.FLAT_ITEM);
                            wrapper.write(Type.FLAT_VAR_INT_ITEM, icon);
                            // Frame type
                            wrapper.passthrough(Type.VAR_INT);
                            // Flags
                            int flags = wrapper.passthrough(Type.INT);
                            if ((flags & 1) != 0) {
                                // Background texture
                                wrapper.passthrough(Type.STRING);
                            }
                            // X
                            wrapper.passthrough(Type.FLOAT);
                            // Y
                            wrapper.passthrough(Type.FLOAT);
                        }
                        // Criteria
                        wrapper.passthrough(Type.STRING_ARRAY);
                        int arrayLength = wrapper.passthrough(Type.VAR_INT);
                        for (int array = 0; array < arrayLength; array++) {
                            // String array
                            wrapper.passthrough(Type.STRING_ARRAY);
                        }
                    }
                }
            });
        }
    });
}

Example 53 with PacketWrapper

use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaVersion by ViaVersion.

the class Protocol1_10To1_9_3_4 method registerPackets.

@Override
protected void registerPackets() {
    itemRewriter.register();
    // Named sound effect
    registerClientbound(ClientboundPackets1_9_3.NAMED_SOUND, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Sound name
            map(Type.STRING);
            // 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(Type.UNSIGNED_BYTE, TO_NEW_PITCH);
        }
    });
    // Sound effect
    registerClientbound(ClientboundPackets1_9_3.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(Type.UNSIGNED_BYTE, TO_NEW_PITCH);
            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, getNewSoundId(id));
                }
            });
        }
    });
    // Metadata packet
    registerClientbound(ClientboundPackets1_9_3.ENTITY_METADATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Metadata list
            map(Types1_9.METADATA_LIST, TRANSFORM_METADATA);
        }
    });
    // Spawn Mob
    registerClientbound(ClientboundPackets1_9_3.SPAWN_MOB, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity id
            map(Type.VAR_INT);
            // 1 - UUID
            map(Type.UUID);
            // 2 - Entity Type
            map(Type.UNSIGNED_BYTE);
            // 3 - X
            map(Type.DOUBLE);
            // 4 - Y
            map(Type.DOUBLE);
            // 5 - Z
            map(Type.DOUBLE);
            // 6 - Yaw
            map(Type.BYTE);
            // 7 - Pitch
            map(Type.BYTE);
            // 8 - Head Pitch
            map(Type.BYTE);
            // 9 - Velocity X
            map(Type.SHORT);
            // 10 - Velocity Y
            map(Type.SHORT);
            // 11 - Velocity Z
            map(Type.SHORT);
            // 12 - Metadata
            map(Types1_9.METADATA_LIST, TRANSFORM_METADATA);
        }
    });
    // Spawn Player
    registerClientbound(ClientboundPackets1_9_3.SPAWN_PLAYER, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Player UUID
            map(Type.UUID);
            // 2 - X
            map(Type.DOUBLE);
            // 3 - Y
            map(Type.DOUBLE);
            // 4 - Z
            map(Type.DOUBLE);
            // 5 - Yaw
            map(Type.BYTE);
            // 6 - Pitch
            map(Type.BYTE);
            // 7 - Metadata list
            map(Types1_9.METADATA_LIST, TRANSFORM_METADATA);
        }
    });
    // Join Game
    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 clientWorld = wrapper.user().get(ClientWorld.class);
                    int dimensionId = wrapper.get(Type.INT, 1);
                    clientWorld.setEnvironment(dimensionId);
                }
            });
        }
    });
    // Respawn
    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);
                }
            });
        }
    });
    // Chunk Data
    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);
                    Chunk chunk = wrapper.passthrough(new Chunk1_9_3_4Type(clientWorld));
                    if (Via.getConfig().isReplacePistons()) {
                        int replacementId = Via.getConfig().getPistonReplacementId();
                        for (ChunkSection section : chunk.getSections()) {
                            if (section == null)
                                continue;
                            section.replacePaletteEntry(36, replacementId);
                        }
                    }
                }
            });
        }
    });
    // Packet Send ResourcePack
    registerClientbound(ClientboundPackets1_9_3.RESOURCE_PACK, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - URL
            map(Type.STRING);
            // 1 - Hash
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ResourcePackTracker tracker = wrapper.user().get(ResourcePackTracker.class);
                    // Store the hash for resourcepack status
                    tracker.setLastHash(wrapper.get(Type.STRING, 1));
                }
            });
        }
    });
    // Packet ResourcePack status
    registerServerbound(ServerboundPackets1_9_3.RESOURCE_PACK_STATUS, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    ResourcePackTracker tracker = wrapper.user().get(ResourcePackTracker.class);
                    wrapper.write(Type.STRING, tracker.getLastHash());
                    wrapper.write(Type.VAR_INT, wrapper.read(Type.VAR_INT));
                }
            });
        }
    });
}

Example 54 with PacketWrapper

use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaVersion by ViaVersion.

the class EntityPackets method register.

public static void register(Protocol1_9To1_8 protocol) {
    // Attach Entity Packet
    protocol.registerClientbound(ClientboundPackets1_8.ATTACH_ENTITY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.INT);
            // 1 - Vehicle
            map(Type.INT);
            // Leash boolean is removed in new versions
            map(Type.BOOLEAN, new ValueTransformer<Boolean, Void>(Type.NOTHING) {

                @Override
                public Void transform(PacketWrapper wrapper, Boolean inputValue) throws Exception {
                    EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    if (!inputValue) {
                        int passenger = wrapper.get(Type.INT, 0);
                        int vehicle = wrapper.get(Type.INT, 1);
                        // Don't send current packet
                        wrapper.cancel();
                        PacketWrapper passengerPacket = wrapper.create(ClientboundPackets1_9.SET_PASSENGERS);
                        if (vehicle == -1) {
                            if (!tracker.getVehicleMap().containsKey(passenger))
                                // Cancel
                                return null;
                            passengerPacket.write(Type.VAR_INT, tracker.getVehicleMap().remove(passenger));
                            passengerPacket.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] {});
                        } else {
                            passengerPacket.write(Type.VAR_INT, vehicle);
                            passengerPacket.write(Type.VAR_INT_ARRAY_PRIMITIVE, new int[] { passenger });
                            tracker.getVehicleMap().put(passenger, vehicle);
                        }
                        // Send the packet
                        passengerPacket.send(Protocol1_9To1_8.class);
                    }
                    return null;
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_TELEPORT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - X - Needs to be divide by 32
            map(Type.INT, SpawnPackets.toNewDouble);
            // 2 - Y - Needs to be divide by 32
            map(Type.INT, SpawnPackets.toNewDouble);
            // 3 - Z - Needs to be divide by 32
            map(Type.INT, SpawnPackets.toNewDouble);
            // 4 - Pitch
            map(Type.BYTE);
            // 5 - Yaw
            map(Type.BYTE);
            // 6 - On Ground
            map(Type.BOOLEAN);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int entityID = wrapper.get(Type.VAR_INT, 0);
                    if (Via.getConfig().isHologramPatch()) {
                        EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                        if (tracker.getKnownHolograms().contains(entityID)) {
                            Double newValue = wrapper.get(Type.DOUBLE, 1);
                            newValue += (Via.getConfig().getHologramYOffset());
                            wrapper.set(Type.DOUBLE, 1, newValue);
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_POSITION_AND_ROTATION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - X
            map(Type.BYTE, toNewShort);
            // 2 - Y
            map(Type.BYTE, toNewShort);
            // 3 - Z
            map(Type.BYTE, toNewShort);
            // 4 - Yaw
            map(Type.BYTE);
            // 5 - Pitch
            map(Type.BYTE);
            // 6 - On Ground
            map(Type.BOOLEAN);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_POSITION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - X
            map(Type.BYTE, toNewShort);
            // 2 - Y
            map(Type.BYTE, toNewShort);
            // 3 - Z
            map(Type.BYTE, toNewShort);
            // 4 - On Ground
            map(Type.BOOLEAN);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_EQUIPMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Slot ID
            map(Type.SHORT, new ValueTransformer<Short, Integer>(Type.VAR_INT) {

                @Override
                public Integer transform(PacketWrapper wrapper, Short slot) throws Exception {
                    int entityId = wrapper.get(Type.VAR_INT, 0);
                    int receiverId = wrapper.user().getEntityTracker(Protocol1_9To1_8.class).clientEntityId();
                    // (In 1.9+, every client treats the received the same: 0=hand, 1=offhand, 2-5=armor)
                    if (entityId == receiverId) {
                        return slot.intValue() + 2;
                    }
                    return slot > 0 ? slot.intValue() + 1 : slot.intValue();
                }
            });
            // 2 - Item
            map(Type.ITEM);
            // Item Rewriter
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Item stack = wrapper.get(Type.ITEM, 0);
                    ItemRewriter.toClient(stack);
                }
            });
            // Blocking
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    int entityID = wrapper.get(Type.VAR_INT, 0);
                    Item stack = wrapper.get(Type.ITEM, 0);
                    if (stack != null) {
                        if (Protocol1_9To1_8.isSword(stack.identifier())) {
                            entityTracker.getValidBlocking().add(entityID);
                            return;
                        }
                    }
                    entityTracker.getValidBlocking().remove(entityID);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_METADATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Metadata List
            map(Types1_8.METADATA_LIST, Types1_9.METADATA_LIST);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    List<Metadata> metadataList = wrapper.get(Types1_9.METADATA_LIST, 0);
                    int entityId = wrapper.get(Type.VAR_INT, 0);
                    EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    if (tracker.hasEntity(entityId)) {
                        protocol.get(MetadataRewriter1_9To1_8.class).handleMetadata(entityId, metadataList, wrapper.user());
                    } else {
                        // Buffer
                        tracker.addMetadataToBuffer(entityId, metadataList);
                        wrapper.cancel();
                    }
                }
            });
            // Handler for meta data
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    List<Metadata> metadataList = wrapper.get(Types1_9.METADATA_LIST, 0);
                    int entityID = wrapper.get(Type.VAR_INT, 0);
                    EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    tracker.handleMetadata(entityID, metadataList);
                }
            });
            // Cancel packet if list empty
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    List<Metadata> metadataList = wrapper.get(Types1_9.METADATA_LIST, 0);
                    if (metadataList.isEmpty()) {
                        wrapper.cancel();
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_EFFECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Effect ID
            map(Type.BYTE);
            // 2 - Amplifier
            map(Type.BYTE);
            // 3 - Duration
            map(Type.VAR_INT);
            handler(new // Handle effect indicator
            PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // In 1.8 = true->Show particles : false->Hide particles
                    boolean showParticles = wrapper.read(Type.BOOLEAN);
                    boolean newEffect = Via.getConfig().isNewEffectIndicator();
                    // 0: hide, 1: shown without indictator, 2: shown with indicator, 3: hide with beacon indicator but we don't use it.
                    wrapper.write(Type.BYTE, (byte) (showParticles ? newEffect ? 2 : 1 : 0));
                }
            });
        }
    });
    protocol.cancelClientbound(ClientboundPackets1_8.UPDATE_ENTITY_NBT);
    protocol.registerClientbound(ClientboundPackets1_8.COMBAT_EVENT, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.VAR_INT, 0) == 2) {
                        // entity dead
                        // Player id
                        wrapper.passthrough(Type.VAR_INT);
                        // Entity id
                        wrapper.passthrough(Type.INT);
                        Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_PROPERTIES, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (!Via.getConfig().isMinimizeCooldown())
                        return;
                    EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    if (wrapper.get(Type.VAR_INT, 0) != tracker.getProvidedEntityId()) {
                        return;
                    }
                    int propertiesToRead = wrapper.read(Type.INT);
                    Map<String, Pair<Double, List<Triple<UUID, Double, Byte>>>> properties = new HashMap<>(propertiesToRead);
                    for (int i = 0; i < propertiesToRead; i++) {
                        String key = wrapper.read(Type.STRING);
                        Double value = wrapper.read(Type.DOUBLE);
                        int modifiersToRead = wrapper.read(Type.VAR_INT);
                        List<Triple<UUID, Double, Byte>> modifiers = new ArrayList<>(modifiersToRead);
                        for (int j = 0; j < modifiersToRead; j++) {
                            modifiers.add(new Triple<>(wrapper.read(Type.UUID), // Amount
                            wrapper.read(Type.DOUBLE), // Operation
                            wrapper.read(Type.BYTE)));
                        }
                        properties.put(key, new Pair<>(value, modifiers));
                    }
                    // == Why 15.9? ==
                    // Higher values hides the cooldown but it bugs visual animation on hand
                    // when removing item from hand with inventory gui
                    properties.put("generic.attackSpeed", new Pair<Double, List<Triple<UUID, Double, Byte>>>(15.9, // Neutralize modifiers
                    ImmutableList.of(// Tool and weapon modifier
                    new Triple<>(UUID.fromString("FA233E1C-4180-4865-B01B-BCCE9785ACA3"), 0.0, (byte) 0), // Dig speed
                    new Triple<>(UUID.fromString("AF8B6E3F-3328-4C0A-AA36-5BA2BB9DBEF3"), 0.0, (byte) 2), // Dig slow down
                    new Triple<>(UUID.fromString("55FCED67-E92A-486E-9800-B47F202C4386"), 0.0, (byte) 2))));
                    wrapper.write(Type.INT, properties.size());
                    for (Map.Entry<String, Pair<Double, List<Triple<UUID, Double, Byte>>>> entry : properties.entrySet()) {
                        // Key
                        wrapper.write(Type.STRING, entry.getKey());
                        // Value
                        wrapper.write(Type.DOUBLE, entry.getValue().key());
                        wrapper.write(Type.VAR_INT, entry.getValue().value().size());
                        for (Triple<UUID, Double, Byte> modifier : entry.getValue().value()) {
                            wrapper.write(Type.UUID, modifier.first());
                            // Amount
                            wrapper.write(Type.DOUBLE, modifier.second());
                            // Operation
                            wrapper.write(Type.BYTE, modifier.third());
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.ENTITY_ANIMATION, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 3) {
                        wrapper.cancel();
                    }
                }
            });
        }
    });
    /* Incoming Packets */
    protocol.registerServerbound(ServerboundPackets1_9.ENTITY_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Player ID
            map(Type.VAR_INT);
            // 1 - Action
            map(Type.VAR_INT);
            // 2 - Jump
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int action = wrapper.get(Type.VAR_INT, 1);
                    if (action == 6 || action == 8)
                        wrapper.cancel();
                    if (action == 7) {
                        wrapper.set(Type.VAR_INT, 1, 6);
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.INTERACT_ENTITY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID (Target)
            map(Type.VAR_INT);
            // 1 - Action Type
            map(Type.VAR_INT);
            // Cancel second hand to prevent double interact
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int type = wrapper.get(Type.VAR_INT, 1);
                    if (type == 2) {
                        // 2 - X
                        wrapper.passthrough(Type.FLOAT);
                        // 3 - Y
                        wrapper.passthrough(Type.FLOAT);
                        // 4 - Z
                        wrapper.passthrough(Type.FLOAT);
                    }
                    if (type == 0 || type == 2) {
                        // 2/5 - Hand
                        int hand = wrapper.read(Type.VAR_INT);
                        if (hand == 1)
                            wrapper.cancel();
                    }
                }
            });
        }
    });
}

Example 55 with PacketWrapper

use of com.viaversion.viaversion.api.protocol.packet.PacketWrapper in project ViaVersion by ViaVersion.

the class PlayerPackets method register.

public static void register(Protocol1_9To1_8 protocol) {
    protocol.registerClientbound(ClientboundPackets1_8.CHAT_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chat Message (json)
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 1 - Chat Positon
            map(Type.BYTE);
            handler(wrapper -> {
                try {
                    JsonObject obj = (JsonObject) wrapper.get(Type.COMPONENT, 0);
                    ChatRewriter.toClient(obj, wrapper.user());
                } catch (Exception e) {
                    e.printStackTrace();
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.TAB_LIST, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Header
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
            // 1 - Footer
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.DISCONNECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Reason
            map(Type.STRING, Protocol1_9To1_8.FIX_JSON);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.TITLE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Action
            map(Type.VAR_INT);
            // We only handle if the title or subtitle is set then just write through.
            handler(wrapper -> {
                int action = wrapper.get(Type.VAR_INT, 0);
                if (action == 0 || action == 1) {
                    Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
                }
            });
        // Everything else is handled.
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.PLAYER_POSITION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Player X
            map(Type.DOUBLE);
            // 1 - Player Y
            map(Type.DOUBLE);
            // 2 - Player Z
            map(Type.DOUBLE);
            // 3 - Player Yaw
            map(Type.FLOAT);
            // 4 - Player Pitch
            map(Type.FLOAT);
            // 5 - Player Flags
            map(Type.BYTE);
            handler(wrapper -> {
                // 6 - Teleport ID was added
                wrapper.write(Type.VAR_INT, 0);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.TEAMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Team Name
            map(Type.STRING);
            // 1 - Mode
            map(Type.BYTE);
            handler(wrapper -> {
                // Mode
                byte mode = wrapper.get(Type.BYTE, 0);
                if (mode == 0 || mode == 2) {
                    // Display Name
                    wrapper.passthrough(Type.STRING);
                    // Prefix
                    wrapper.passthrough(Type.STRING);
                    // Suffix
                    wrapper.passthrough(Type.STRING);
                    // Friendly Fire
                    wrapper.passthrough(Type.BYTE);
                    // Name tag visibility
                    wrapper.passthrough(Type.STRING);
                    wrapper.write(Type.STRING, Via.getConfig().isPreventCollision() ? "never" : "");
                    // Colour
                    wrapper.passthrough(Type.BYTE);
                }
                if (mode == 0 || mode == 3 || mode == 4) {
                    // Players
                    String[] players = wrapper.passthrough(Type.STRING_ARRAY);
                    final EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    String myName = wrapper.user().getProtocolInfo().getUsername();
                    String teamName = wrapper.get(Type.STRING, 0);
                    for (String player : players) {
                        if (entityTracker.isAutoTeam() && player.equalsIgnoreCase(myName)) {
                            if (mode == 4) {
                                // since removing add to auto team
                                // Workaround for packet order issue
                                wrapper.send(Protocol1_9To1_8.class);
                                wrapper.cancel();
                                entityTracker.sendTeamPacket(true, true);
                                entityTracker.setCurrentTeam("viaversion");
                            } else {
                                // since adding remove from auto team
                                entityTracker.sendTeamPacket(false, true);
                                entityTracker.setCurrentTeam(teamName);
                            }
                        }
                    }
                }
                if (mode == 1) {
                    // Remove team
                    final EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    String teamName = wrapper.get(Type.STRING, 0);
                    if (entityTracker.isAutoTeam() && teamName.equals(entityTracker.getCurrentTeam())) {
                        // team was removed
                        // Workaround for packet order issue
                        wrapper.send(Protocol1_9To1_8.class);
                        wrapper.cancel();
                        entityTracker.sendTeamPacket(true, true);
                        entityTracker.setCurrentTeam("viaversion");
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.JOIN_GAME, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Player ID
            map(Type.INT);
            // Parse this info
            handler(wrapper -> {
                int entityId = wrapper.get(Type.INT, 0);
                EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                tracker.addEntity(entityId, Entity1_10Types.EntityType.PLAYER);
                tracker.setClientEntityId(entityId);
            });
            // 1 - Player Gamemode
            map(Type.UNSIGNED_BYTE);
            // 2 - Player Dimension
            map(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);
            handler(wrapper -> {
                EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                // Set player gamemode
                tracker.setGameMode(GameMode.getById(wrapper.get(Type.UNSIGNED_BYTE, 0)));
            });
            // Track player's dimension
            handler(wrapper -> {
                ClientWorld clientWorld = wrapper.user().get(ClientWorld.class);
                int dimensionId = wrapper.get(Type.BYTE, 0);
                clientWorld.setEnvironment(dimensionId);
            });
            // Gotta fake their op
            handler(wrapper -> {
                CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
                provider.sendPermission(wrapper.user());
            });
            // Scoreboard will be cleared when join game is received
            handler(wrapper -> {
                EntityTracker1_9 entityTracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                if (Via.getConfig().isAutoTeam()) {
                    entityTracker.setAutoTeam(true);
                    // Workaround for packet order issue
                    wrapper.send(Protocol1_9To1_8.class);
                    wrapper.cancel();
                    entityTracker.sendTeamPacket(true, true);
                    entityTracker.setCurrentTeam("viaversion");
                } else {
                    entityTracker.setAutoTeam(false);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.PLAYER_INFO, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Action
            map(Type.VAR_INT);
            // 1 - Player Count
            map(Type.VAR_INT);
            // Due to this being a complex data structure we just use a handler.
            handler(wrapper -> {
                int action = wrapper.get(Type.VAR_INT, 0);
                int count = wrapper.get(Type.VAR_INT, 1);
                for (int i = 0; i < count; i++) {
                    // Player UUID
                    wrapper.passthrough(Type.UUID);
                    if (action == 0) {
                        // add player
                        // Player Name
                        wrapper.passthrough(Type.STRING);
                        int properties = wrapper.passthrough(Type.VAR_INT);
                        // loop through properties
                        for (int j = 0; j < properties; j++) {
                            // name
                            wrapper.passthrough(Type.STRING);
                            // value
                            wrapper.passthrough(Type.STRING);
                            boolean isSigned = wrapper.passthrough(Type.BOOLEAN);
                            if (isSigned) {
                                // signature
                                wrapper.passthrough(Type.STRING);
                            }
                        }
                        // gamemode
                        wrapper.passthrough(Type.VAR_INT);
                        // ping
                        wrapper.passthrough(Type.VAR_INT);
                        boolean hasDisplayName = wrapper.passthrough(Type.BOOLEAN);
                        if (hasDisplayName) {
                            // display name
                            Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
                        }
                    } else if ((action == 1) || (action == 2)) {
                        // update gamemode || update latency
                        wrapper.passthrough(Type.VAR_INT);
                    } else if (action == 3) {
                        // update display name
                        boolean hasDisplayName = wrapper.passthrough(Type.BOOLEAN);
                        if (hasDisplayName) {
                            // display name
                            Protocol1_9To1_8.FIX_JSON.write(wrapper, wrapper.read(Type.STRING));
                        }
                    } else if (action == 4) {
                    // remove player
                    // no fields
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Channel Name
            map(Type.STRING);
            handler(wrapper -> {
                String name = wrapper.get(Type.STRING, 0);
                if (name.equalsIgnoreCase("MC|BOpen")) {
                    // Not used anymore
                    wrapper.read(Type.REMAINING_BYTES);
                    wrapper.write(Type.VAR_INT, 0);
                }
                if (name.equalsIgnoreCase("MC|TrList")) {
                    // ID
                    wrapper.passthrough(Type.INT);
                    Short size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    for (int i = 0; i < size; ++i) {
                        Item item1 = wrapper.passthrough(Type.ITEM);
                        ItemRewriter.toClient(item1);
                        Item item2 = wrapper.passthrough(Type.ITEM);
                        ItemRewriter.toClient(item2);
                        boolean present = wrapper.passthrough(Type.BOOLEAN);
                        if (present) {
                            Item item3 = wrapper.passthrough(Type.ITEM);
                            ItemRewriter.toClient(item3);
                        }
                        wrapper.passthrough(Type.BOOLEAN);
                        wrapper.passthrough(Type.INT);
                        wrapper.passthrough(Type.INT);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.RESPAWN, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Dimension
            map(Type.INT);
            // 1 - Difficulty
            map(Type.UNSIGNED_BYTE);
            // 2 - GameMode
            map(Type.UNSIGNED_BYTE);
            // 3 - Level Type
            map(Type.STRING);
            // Track player's dimension
            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);
                }
            });
            handler(wrapper -> {
                // Client unloads chunks on respawn
                wrapper.user().get(ClientChunks.class).getLoadedChunks().clear();
                int gamemode = wrapper.get(Type.UNSIGNED_BYTE, 0);
                EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                tracker.setGameMode(GameMode.getById(gamemode));
            });
            // Fake permissions to get Commandblocks working
            handler(wrapper -> {
                CommandBlockProvider provider = Via.getManager().getProviders().get(CommandBlockProvider.class);
                provider.sendPermission(wrapper.user());
                provider.unloadChunks(wrapper.user());
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_8.GAME_EVENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Reason
            map(Type.UNSIGNED_BYTE);
            // 1 - Value
            map(Type.FLOAT);
            handler(wrapper -> {
                short reason = wrapper.get(Type.UNSIGNED_BYTE, 0);
                if (reason == 3) {
                    // Change gamemode
                    int gamemode = wrapper.get(Type.FLOAT, 0).intValue();
                    EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    tracker.setGameMode(GameMode.getById(gamemode));
                } else if (reason == 4) {
                    // Open credits screen
                    wrapper.set(Type.FLOAT, 0, 1F);
                }
            });
        }
    });
    /* Removed packets */
    protocol.registerClientbound(ClientboundPackets1_8.SET_COMPRESSION, null, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                wrapper.cancel();
                CompressionProvider provider = Via.getManager().getProviders().get(CompressionProvider.class);
                provider.handlePlayCompression(wrapper.user(), wrapper.read(Type.VAR_INT));
            });
        }
    });
    /* Incoming Packets */
    protocol.registerServerbound(ServerboundPackets1_9.TAB_COMPLETE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Requested Command
            map(Type.STRING);
            // 1 - Is Command Block
            map(Type.BOOLEAN, Type.NOTHING);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.CLIENT_SETTINGS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - locale
            map(Type.STRING);
            // 1 - View Distance
            map(Type.BYTE);
            // 2 - Chat Mode
            map(Type.VAR_INT, Type.BYTE);
            // 3 - If Chat Colours on
            map(Type.BOOLEAN);
            // 4 - Skin Parts
            map(Type.UNSIGNED_BYTE);
            handler(wrapper -> {
                int hand = wrapper.read(Type.VAR_INT);
                if (Via.getConfig().isLeftHandedHandling()) {
                    // Add 0x80 if left handed
                    if (hand == 0)
                        wrapper.set(Type.UNSIGNED_BYTE, 0, (short) (wrapper.get(Type.UNSIGNED_BYTE, 0).intValue() | 0x80));
                }
                wrapper.sendToServer(Protocol1_9To1_8.class);
                wrapper.cancel();
                Via.getManager().getProviders().get(MainHandProvider.class).setMainHand(wrapper.user(), hand);
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.ANIMATION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Hand
            map(Type.VAR_INT, Type.NOTHING);
        }
    });
    protocol.cancelServerbound(ServerboundPackets1_9.TELEPORT_CONFIRM);
    protocol.cancelServerbound(ServerboundPackets1_9.VEHICLE_MOVE);
    protocol.cancelServerbound(ServerboundPackets1_9.STEER_BOAT);
    protocol.registerServerbound(ServerboundPackets1_9.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Channel Name
            map(Type.STRING);
            handler(wrapper -> {
                String name = wrapper.get(Type.STRING, 0);
                if (name.equalsIgnoreCase("MC|BSign")) {
                    Item item = wrapper.passthrough(Type.ITEM);
                    if (item != null) {
                        // Written Book
                        item.setIdentifier(387);
                        ItemRewriter.rewriteBookToServer(item);
                    }
                }
                if (name.equalsIgnoreCase("MC|AutoCmd")) {
                    wrapper.set(Type.STRING, 0, "MC|AdvCdm");
                    wrapper.write(Type.BYTE, (byte) 0);
                    // X
                    wrapper.passthrough(Type.INT);
                    // Y
                    wrapper.passthrough(Type.INT);
                    // Z
                    wrapper.passthrough(Type.INT);
                    // Command
                    wrapper.passthrough(Type.STRING);
                    // Flag
                    wrapper.passthrough(Type.BOOLEAN);
                    wrapper.clearInputBuffer();
                }
                if (name.equalsIgnoreCase("MC|AdvCmd")) {
                    wrapper.set(Type.STRING, 0, "MC|AdvCdm");
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.CLIENT_STATUS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Action ID
            map(Type.VAR_INT);
            handler(wrapper -> {
                int action = wrapper.get(Type.VAR_INT, 0);
                if (action == 2) {
                    // cancel any blocking >.>
                    EntityTracker1_9 tracker = wrapper.user().getEntityTracker(Protocol1_9To1_8.class);
                    if (tracker.isBlocking()) {
                        if (!Via.getConfig().isShowShieldWhenSwordInHand()) {
                            tracker.setSecondHand(null);
                        }
                        tracker.setBlocking(false);
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.PLAYER_POSITION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - X
            map(Type.DOUBLE);
            // 1 - Y
            map(Type.DOUBLE);
            // 2 - Z
            map(Type.DOUBLE);
            // 3 - Ground
            map(Type.BOOLEAN);
            handler(new PlayerMovementMapper());
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.PLAYER_POSITION_AND_ROTATION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - X
            map(Type.DOUBLE);
            // 1 - Y
            map(Type.DOUBLE);
            // 2 - Z
            map(Type.DOUBLE);
            // 3 - Yaw
            map(Type.FLOAT);
            // 4 - Pitch
            map(Type.FLOAT);
            // 5 - Ground
            map(Type.BOOLEAN);
            handler(new PlayerMovementMapper());
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.PLAYER_ROTATION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Yaw
            map(Type.FLOAT);
            // 1 - Pitch
            map(Type.FLOAT);
            // 2 - Ground
            map(Type.BOOLEAN);
            handler(new PlayerMovementMapper());
        }
    });
    protocol.registerServerbound(ServerboundPackets1_9.PLAYER_MOVEMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Ground
            map(Type.BOOLEAN);
            handler(new PlayerMovementMapper());
        }
    });
}