us.myles.ViaVersion.api.PacketWrapper Java Exaples

Source File: WorldPackets.java From ViaVersion with MIT License

6 votes

public static void register(Protocol protocol) {
    protocol.registerOutgoing(ClientboundPackets1_13.SPAWN_PARTICLE, new PacketRemapper() {
        @Override
        public void registerMap() {
            map(Type.INT); // 0 - Particle ID
            map(Type.BOOLEAN); // 1 - Long Distance
            map(Type.FLOAT); // 2 - X
            map(Type.FLOAT); // 3 - Y
            map(Type.FLOAT); // 4 - Z
            map(Type.FLOAT); // 5 - Offset X
            map(Type.FLOAT); // 6 - Offset Y
            map(Type.FLOAT); // 7 - Offset Z
            map(Type.FLOAT); // 8 - Particle Data
            map(Type.INT); // 9 - Particle Count
            handler(new PacketHandler() {
                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int id = wrapper.get(Type.INT, 0);
                    if (id == 27) {
                        wrapper.write(Type.FLAT_VAR_INT_ITEM, wrapper.read(Type.FLAT_ITEM));
                    }
                }
            });
        }
    });
}

Source File: EndermiteReplacement.java From ViaRewind with MIT License

6 votes

public void updateLocation() {
	PacketWrapper teleport = new PacketWrapper(0x18, null, user);
	teleport.write(Type.INT, entityId);
	teleport.write(Type.INT, (int) (locX * 32.0));
	teleport.write(Type.INT, (int) (locY * 32.0));
	teleport.write(Type.INT, (int) (locZ * 32.0));
	teleport.write(Type.BYTE, (byte)((yaw / 360f) * 256));
	teleport.write(Type.BYTE, (byte)((pitch / 360f) * 256));

	PacketWrapper head = new PacketWrapper(0x19, null, user);
	head.write(Type.INT, entityId);
	head.write(Type.BYTE, (byte)((headYaw / 360f) * 256));

	PacketUtil.sendPacket(teleport, Protocol1_7_6_10TO1_8.class, true, true);
	PacketUtil.sendPacket(head, Protocol1_7_6_10TO1_8.class, true, true);
}

Source File: GuardianReplacement.java From ViaRewind with MIT License

6 votes

public void updateMetadata() {
	PacketWrapper metadataPacket = new PacketWrapper(0x1C, null, user);
	metadataPacket.write(Type.INT, entityId);

	List<Metadata> metadataList = new ArrayList<>();
	for (Metadata metadata : datawatcher) {
		if (metadata.getId()==16 || metadata.getId()==17) continue;
		metadataList.add(new Metadata(metadata.getId(), metadata.getMetaType(), metadata.getValue()));
	}

	MetadataRewriter.transform(Entity1_10Types.EntityType.SQUID, metadataList);

	metadataPacket.write(Types1_7_6_10.METADATA_LIST, metadataList);

	PacketUtil.sendPacket(metadataPacket, Protocol1_7_6_10TO1_8.class);
}

Source File: EntityTracker.java From ViaRewind with MIT License

6 votes

public void sendMetadataBuffer(int entityId) {
	if (!this.metadataBuffer.containsKey(entityId)) return;
	if (entityReplacements.containsKey(entityId)) {
		entityReplacements.get(entityId).updateMetadata(this.metadataBuffer.remove(entityId));
	} else {
		Entity1_10Types.EntityType type = this.getClientEntityTypes().get(entityId);
		PacketWrapper wrapper = new PacketWrapper(0x1C, null, this.getUser());
		wrapper.write(Type.VAR_INT, entityId);
		wrapper.write(Types1_8.METADATA_LIST, this.metadataBuffer.get(entityId));
		MetadataRewriter.transform(type, this.metadataBuffer.get(entityId));
		if (!this.metadataBuffer.get(entityId).isEmpty()) {
			PacketUtil.sendPacket(wrapper, Protocol1_7_6_10TO1_8.class);
		}

		this.metadataBuffer.remove(entityId);
	}
}

Source File: GuardianReplacement.java From ViaRewind with MIT License

6 votes

public void updateLocation() {
	PacketWrapper teleport = new PacketWrapper(0x18, null, user);
	teleport.write(Type.INT, entityId);
	teleport.write(Type.INT, (int) (locX * 32.0));
	teleport.write(Type.INT, (int) (locY * 32.0));
	teleport.write(Type.INT, (int) (locZ * 32.0));
	teleport.write(Type.BYTE, (byte)((yaw / 360f) * 256));
	teleport.write(Type.BYTE, (byte)((pitch / 360f) * 256));

	PacketWrapper head = new PacketWrapper(0x19, null, user);
	head.write(Type.INT, entityId);
	head.write(Type.BYTE, (byte)((headYaw / 360f) * 256));

	PacketUtil.sendPacket(teleport, Protocol1_7_6_10TO1_8.class, true, true);
	PacketUtil.sendPacket(head, Protocol1_7_6_10TO1_8.class, true, true);
}

Source File: WitherBossBar.java From ViaRewind with MIT License

6 votes

private void spawnWither() {
	PacketWrapper packetWrapper = new PacketWrapper(0x0F, null, this.connection);
	packetWrapper.write(Type.VAR_INT, entityId);
	packetWrapper.write(Type.UNSIGNED_BYTE, (short)64);
	packetWrapper.write(Type.INT, (int) (locX * 32d));
	packetWrapper.write(Type.INT, (int) (locY * 32d));
	packetWrapper.write(Type.INT, (int) (locZ * 32d));
	packetWrapper.write(Type.BYTE, (byte)0);
	packetWrapper.write(Type.BYTE, (byte)0);
	packetWrapper.write(Type.BYTE, (byte)0);
	packetWrapper.write(Type.SHORT, (short)0);
	packetWrapper.write(Type.SHORT, (short)0);
	packetWrapper.write(Type.SHORT, (short)0);

	List<Metadata> metadata = new ArrayList<>();
	metadata.add(new Metadata(0, MetaType1_8.Byte, (byte) 0x20));
	metadata.add(new Metadata(2, MetaType1_8.String, title));
	metadata.add(new Metadata(3, MetaType1_8.Byte, (byte) 1));
	metadata.add(new Metadata(6, MetaType1_8.Float, health * 300f));

	packetWrapper.write(Types1_8.METADATA_LIST, metadata);

	PacketUtil.sendPacket(packetWrapper, Protocol1_8TO1_9.class, true, true);
}

Source File: EntityTracker1_9.java From ViaVersion with MIT License

6 votes

public void sendMetadataBuffer(int entityId) {
    List<Metadata> metadataList = metadataBuffer.get(entityId);
    if (metadataList != null) {
        PacketWrapper wrapper = new PacketWrapper(0x39, null, getUser());
        wrapper.write(Type.VAR_INT, entityId);
        wrapper.write(Types1_9.METADATA_LIST, metadataList);
        getUser().getProtocolInfo().getPipeline().getProtocol(Protocol1_9To1_8.class).get(MetadataRewriter1_9To1_8.class)
                .handleMetadata(entityId, metadataList, getUser());
        handleMetadata(entityId, metadataList);
        if (!metadataList.isEmpty()) {
            try {
                wrapper.send(Protocol1_9To1_8.class);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        metadataBuffer.remove(entityId);
    }
}

Source File: EntityTracker.java From ViaRewind with MIT License

6 votes

public void sendMetadataBuffer(int entityId) {
	if (!this.metadataBuffer.containsKey(entityId)) return;
	if (entityReplacements.containsKey(entityId)) {
		entityReplacements.get(entityId).updateMetadata(this.metadataBuffer.remove(entityId));
	} else {
		PacketWrapper wrapper = new PacketWrapper(0x1C, null, this.getUser());
		wrapper.write(Type.VAR_INT, entityId);
		wrapper.write(Types1_8.METADATA_LIST, this.metadataBuffer.get(entityId));
		MetadataRewriter.transform(this.getClientEntityTypes().get(entityId), this.metadataBuffer.get(entityId));
		if (!this.metadataBuffer.get(entityId).isEmpty()) {
			try {
				wrapper.send(Protocol1_8TO1_9.class);
			} catch (Exception ex) {
				ex.printStackTrace();
			}
		}

		this.metadataBuffer.remove(entityId);
	}
}

Source File: Windows.java From ViaRewind with MIT License

6 votes

public static void updateBrewingStand(UserConnection user, Item blazePowder, short windowId) {
	if (blazePowder != null && blazePowder.getIdentifier() != 377) return;
	int amount = blazePowder == null ? 0 : blazePowder.getAmount();
	PacketWrapper openWindow = new PacketWrapper(0x2D, null, user);
	openWindow.write(Type.UNSIGNED_BYTE, windowId);
	openWindow.write(Type.STRING, "minecraft:brewing_stand");
	openWindow.write(Type.STRING, "[{\"translate\":\"container.brewing\"},{\"text\":\": \",\"color\":\"dark_gray\"},{\"text\":\"§4" + amount + " \",\"color\":\"dark_red\"},{\"translate\":\"item.blazePowder.name\",\"color\":\"dark_red\"}]");
	openWindow.write(Type.UNSIGNED_BYTE, (short) 420);
	PacketUtil.sendPacket(openWindow, Protocol1_8TO1_9.class);

	Item[] items = user.get(Windows.class).getBrewingItems(windowId);
	for (int i = 0; i < items.length; i++) {
		PacketWrapper setSlot = new PacketWrapper(0x2F, null, user);
		setSlot.write(Type.BYTE, (byte) windowId);
		setSlot.write(Type.SHORT, (short) i);
		setSlot.write(Type.ITEM, items[i]);
		PacketUtil.sendPacket(setSlot, Protocol1_8TO1_9.class);
	}
}

Source File: RecipeRewriter1_15.java From ViaBackwards with MIT License

6 votes

@Override
public void handle(PacketWrapper wrapper, String type) throws Exception {
    switch (type) {
        case "crafting_shapeless":
            handleCraftingShapeless(wrapper);
            break;
        case "crafting_shaped":
            handleCraftingShaped(wrapper);
            break;
        case "blasting": // new
        case "smoking": // new
        case "campfire_cooking": // new
        case "smelting":
            handleSmelting(wrapper);
            break;
        case "stonecutting": // new
            handleStonecutting(wrapper);
            break;
    }
}

Source File: ElytraPatch.java From ViaVersion with MIT License

6 votes

@EventHandler(priority = EventPriority.HIGH)
public void onServerConnected(ServerConnectedEvent event) {
    UserConnection user = Via.getManager().getConnection(event.getPlayer().getUniqueId());
    if (user == null) return;

    try {
        if (user.getProtocolInfo().getPipeline().contains(Protocol1_9To1_8.class)) {
            int entityId = user.get(EntityTracker1_9.class).getProvidedEntityId();

            PacketWrapper wrapper = new PacketWrapper(0x39, null, user);

            wrapper.write(Type.VAR_INT, entityId);
            wrapper.write(Types1_9.METADATA_LIST, Collections.singletonList(new Metadata(0, MetaType1_9.Byte, (byte) 0)));

            wrapper.send(Protocol1_9To1_8.class);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: DeathListener.java From ViaVersion with MIT License

6 votes

private void sendPacket(final Player p, final String msg) {
    Via.getPlatform().runSync(new Runnable() {
        @Override
        public void run() {
            PacketWrapper wrapper = new PacketWrapper(0x2C, null, getUserConnection(p.getUniqueId()));
            try {
                int entityId = getEntityId(p);
                wrapper.write(Type.VAR_INT, 2); // Event - Entity dead
                wrapper.write(Type.VAR_INT, entityId); // Player ID
                wrapper.write(Type.INT, entityId); // Entity ID
                Protocol1_9To1_8.FIX_JSON.write(wrapper, msg); // Message

                wrapper.send(Protocol1_9To1_8.class);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

Source File: DeathListener.java From ViaVersion with MIT License

6 votes

private void sendPacket(final Player p, final String msg) {
    Via.getPlatform().runSync(new Runnable() {
        @Override
        public void run() {
            // If online
            UserConnection userConnection = getUserConnection(p);
            if (userConnection != null) {
                PacketWrapper wrapper = new PacketWrapper(0x2C, null, userConnection);
                try {
                    wrapper.write(Type.VAR_INT, 2); // Event - Entity dead
                    wrapper.write(Type.VAR_INT, p.getEntityId()); // Player ID
                    wrapper.write(Type.INT, p.getEntityId()); // Entity ID
                    Protocol1_9To1_8.FIX_JSON.write(wrapper, msg); // Message

                    wrapper.send(Protocol1_9To1_8.class);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    });
}

Source File: ArmorListener.java From ViaVersion with MIT License

6 votes

public void sendArmorUpdate(Player player) {
    // Ensure that the player is on our pipe
    if (!isOnPipe(player)) return;

    int armor = 0;
    for (ItemStack stack : player.getInventory().getArmorContents()) {
        armor += ArmorType.findById(stack.getTypeId()).getArmorPoints();
    }

    PacketWrapper wrapper = new PacketWrapper(0x4B, null, getUserConnection(player));
    try {
        wrapper.write(Type.VAR_INT, player.getEntityId()); // Player ID
        wrapper.write(Type.INT, 1); // only 1 property
        wrapper.write(Type.STRING, "generic.armor");
        wrapper.write(Type.DOUBLE, 0D); //default 0 armor
        wrapper.write(Type.VAR_INT, 1); // 1 modifier
        wrapper.write(Type.UUID, ARMOR_ATTRIBUTE); // armor modifier uuid
        wrapper.write(Type.DOUBLE, (double) armor); // the modifier value
        wrapper.write(Type.BYTE, (byte) 0);// the modifier operation, 0 is add number

        wrapper.send(Protocol1_9To1_8.class);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: ElytraPatch.java From ViaVersion with MIT License

6 votes

@Subscribe(order = PostOrder.LAST)
public void onServerConnected(ServerConnectedEvent event) {
    UserConnection user = Via.getManager().getConnection(event.getPlayer().getUniqueId());
    if (user == null) return;

    try {
        if (user.getProtocolInfo().getPipeline().contains(Protocol1_9To1_8.class)) {
            int entityId = user.get(EntityTracker1_9.class).getProvidedEntityId();

            PacketWrapper wrapper = new PacketWrapper(0x39, null, user);

            wrapper.write(Type.VAR_INT, entityId);
            wrapper.write(Types1_9.METADATA_LIST, Collections.singletonList(new Metadata(0, MetaType1_9.Byte, (byte) 0)));

            wrapper.send(Protocol1_9To1_8.class);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: ConnectionData.java From ViaVersion with MIT License

6 votes

public static void update(UserConnection user, Position position) {
    for (BlockFace face : BlockFace.values()) {
        Position pos = position.getRelative(face);
        int blockState = blockConnectionProvider.getBlockData(user, pos.getX(), pos.getY(), pos.getZ());
        ConnectionHandler handler = connectionHandlerMap.get(blockState);
        if (handler == null) continue;

        int newBlockState = handler.connect(user, pos, blockState);
        PacketWrapper blockUpdatePacket = new PacketWrapper(0x0B, null, user);
        blockUpdatePacket.write(Type.POSITION, pos);
        blockUpdatePacket.write(Type.VAR_INT, newBlockState);
        try {
            blockUpdatePacket.send(Protocol1_13To1_12_2.class, true, true);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

Source File: EntityPositionHandler.java From ViaBackwards with MIT License

6 votes

public void cacheEntityPosition(PacketWrapper wrapper, double x, double y, double z, boolean create, boolean relative) throws Exception {
    int entityId = wrapper.get(Type.VAR_INT, 0);
    EntityTracker.StoredEntity storedEntity = entityRewriter.getEntityTracker(wrapper.user()).getEntity(entityId);
    if (storedEntity == null) {
        if (Via.getManager().isDebug()) { // There is too many plugins violating this out there, and reading seems to be hard! :>
            ViaBackwards.getPlatform().getLogger().warning("Stored entity with id " + entityId + " missing at position: " + x + " - " + y + " - " + z + " in " + storageClass.getSimpleName());
            if (entityId == -1 && x == 0 && y == 0 && z == 0) {
                ViaBackwards.getPlatform().getLogger().warning("DO NOT REPORT THIS TO VIA, THIS IS A PLUGIN ISSUE");
            } else if (!warnedForMissingEntity) {
                warnedForMissingEntity = true;
                ViaBackwards.getPlatform().getLogger().warning("This is very likely caused by a plugin sending a teleport packet for an entity outside of the player's range.");
            }
        }
        return;
    }

    EntityPositionStorage positionStorage = create ? storageSupplier.get() : storedEntity.get(storageClass);
    if (positionStorage == null) {
        ViaBackwards.getPlatform().getLogger().warning("Stored entity with id " + entityId + " missing " + storageClass.getSimpleName());
        return;
    }

    positionStorage.setCoordinates(x, y, z, relative);
    storedEntity.put(positionStorage);
}

Source File: UserConnection.java From ViaVersion with MIT License

5 votes

/**
 * Sends a raw packet to the server.
 *
 * @param packet        Raw packet to be sent
 * @param currentThread If {@code true} executes immediately, {@code false} submits a task to EventLoop
 */
public void sendRawPacketToServer(ByteBuf packet, boolean currentThread) {
    ByteBuf buf = packet.alloc().buffer();
    try {
        try {
            Type.VAR_INT.writePrimitive(buf, PacketWrapper.PASSTHROUGH_ID);
        } catch (Exception e) {
            // Should not happen
            Via.getPlatform().getLogger().warning("Type.VAR_INT.write thrown an exception: " + e);
        }
        buf.writeBytes(packet);
        ChannelHandlerContext context = PipelineUtil
                .getPreviousContext(Via.getManager().getInjector().getDecoderName(), channel.pipeline());
        if (currentThread) {
            if (context != null) {
                context.fireChannelRead(buf);
            } else {
                channel.pipeline().fireChannelRead(buf);
            }
        } else {
            try {
                channel.eventLoop().submit(() -> {
                    if (context != null) {
                        context.fireChannelRead(buf);
                    } else {
                        channel.pipeline().fireChannelRead(buf);
                    }
                });
            } catch (Throwable t) {
                // Couldn't schedule
                buf.release();
                throw t;
            }
        }
    } finally {
        packet.release();
    }
}

Source File: ValueTransformer.java From ViaVersion with MIT License

5 votes

@Override
public void write(PacketWrapper writer, T1 inputValue) throws Exception {
    try {
        writer.write(outputType, transform(writer, inputValue));
    } catch (InformativeException e) {
        e.addSource(this.getClass());
        throw e;
    }
}

Source File: WorldPackets1_13_1.java From ViaBackwards with MIT License

5 votes

public static void register(Protocol protocol) {
    BlockRewriter blockRewriter = new BlockRewriter(protocol, Type.POSITION, Protocol1_13To1_13_1::getNewBlockStateId, Protocol1_13To1_13_1::getNewBlockId);

    protocol.registerOutgoing(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) {
                            for (int i = 0; i < section.getPaletteSize(); i++) {
                                section.setPaletteEntry(i, Protocol1_13To1_13_1.getNewBlockStateId(section.getPaletteEntry(i)));
                            }
                        }
                    }
                }
            });
        }
    });

    blockRewriter.registerBlockAction(ClientboundPackets1_13.BLOCK_ACTION);
    blockRewriter.registerBlockChange(ClientboundPackets1_13.BLOCK_CHANGE);
    blockRewriter.registerMultiBlockChange(ClientboundPackets1_13.MULTI_BLOCK_CHANGE);
    blockRewriter.registerEffect(ClientboundPackets1_13.EFFECT, 1010, 2001, InventoryPackets1_13_1::getOldItemId);
    blockRewriter.registerSpawnParticle(ClientboundPackets1_13.SPAWN_PARTICLE, 3, 20, 27, InventoryPackets1_13_1::toClient, Type.FLAT_ITEM, Type.FLOAT);
}

Source File: ValueCreator.java From ViaVersion with MIT License

5 votes

@Override
default void write(PacketWrapper writer, Object inputValue) throws Exception {
    try {
        write(writer);
    } catch (InformativeException e) {
        e.addSource(this.getClass());
        throw e;
    }
}

Source File: PacketRemapper.java From ViaVersion with MIT License

5 votes

/**
 * Remap a packet wrapper
 *
 * @param packetWrapper The wrapper to remap
 * @throws Exception Throws if it fails to write / read to the packet.
 */
public void remap(PacketWrapper packetWrapper) throws Exception {
    try {
        // Read all the current values
        for (Pair<ValueReader, ValueWriter> valueRemapper : valueRemappers) {
            Object object = valueRemapper.getKey().read(packetWrapper);
            // Convert object to write type :O!!!
            valueRemapper.getValue().write(packetWrapper, object);
        }
        // If we had handlers we'd put them here
    } catch (InformativeException e) {
        e.addSource(this.getClass());
        throw e;
    }
}

Source File: VelocityMovementTransmitter.java From ViaVersion with MIT License

5 votes

public void sendPlayer(UserConnection userConnection) {
    if (userConnection.getProtocolInfo().getState() == State.PLAY) {
        PacketWrapper wrapper = new PacketWrapper(0x03, null, userConnection);
        wrapper.write(Type.BOOLEAN, userConnection.get(MovementTracker.class).isGround());
        try {
            wrapper.sendToServer(Protocol1_9To1_8.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
        // PlayerPackets will increment idle
    }
}

Source File: BaseProtocol.java From ViaVersion with MIT License

5 votes

@Override
public void transform(Direction direction, State state, PacketWrapper packetWrapper) throws Exception {
    super.transform(direction, state, packetWrapper);
    if (direction == Direction.INCOMING && state == State.HANDSHAKE) {
        // Disable if it isn't a handshake packet.
        if (packetWrapper.getId() != 0) {
            packetWrapper.user().setActive(false);
        }
    }
}

Source File: EntityTracker1_9.java From ViaVersion with MIT License

5 votes

public void setSecondHand(int entityID, Item item) {
    PacketWrapper wrapper = new PacketWrapper(0x3C, null, getUser());
    wrapper.write(Type.VAR_INT, entityID);
    wrapper.write(Type.VAR_INT, 1); // slot
    wrapper.write(Type.ITEM, item);
    try {
        wrapper.send(Protocol1_9To1_8.class);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: Sponge5ArmorListener.java From ViaVersion with MIT License

5 votes

public void sendArmorUpdate(Player player) {
    // Ensure that the player is on our pipe
    if (!isOnPipe(player.getUniqueId())) return;


    int armor = 0;
    armor += calculate(player.getHelmet());
    armor += calculate(player.getChestplate());
    armor += calculate(player.getLeggings());
    armor += calculate(player.getBoots());

    PacketWrapper wrapper = new PacketWrapper(0x4B, null, getUserConnection(player.getUniqueId()));
    try {
        wrapper.write(Type.VAR_INT, getEntityId(player)); // Player ID
        wrapper.write(Type.INT, 1); // only 1 property
        wrapper.write(Type.STRING, "generic.armor");
        wrapper.write(Type.DOUBLE, 0D); //default 0 armor
        wrapper.write(Type.VAR_INT, 1); // 1 modifier
        wrapper.write(Type.UUID, ARMOR_ATTRIBUTE); // armor modifier uuid
        wrapper.write(Type.DOUBLE, (double) armor); // the modifier value
        wrapper.write(Type.BYTE, (byte) 0);// the modifier operation, 0 is add number

        wrapper.send(Protocol1_9To1_8.class);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Source File: BaseProtocol1_7.java From ViaVersion with MIT License

5 votes

protected UUID passthroughLoginUUID(PacketWrapper wrapper) throws Exception {
    String uuidString = wrapper.passthrough(Type.STRING);
    if (uuidString.length() == 32) { // Trimmed UUIDs are 32 characters
        // Trimmed
        uuidString = addDashes(uuidString);
    }
    return UUID.fromString(uuidString);
}

Source File: BungeeMovementTransmitter.java From ViaVersion with MIT License

5 votes

public void sendPlayer(UserConnection userConnection) {
    if (userConnection.getProtocolInfo().getState() == State.PLAY) {
        PacketWrapper wrapper = new PacketWrapper(0x03, null, userConnection);
        wrapper.write(Type.BOOLEAN, userConnection.get(MovementTracker.class).isGround());
        try {
            wrapper.sendToServer(Protocol1_9To1_8.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
        // PlayerPackets will increment idle
    }
}

Source File: PacketUtil.java From ViaRewind with MIT License

5 votes

public static boolean sendPacket(PacketWrapper packet, Class<? extends Protocol> packetProtocol, boolean skipCurrentPipeline, boolean currentThread) {
	try {
		packet.send(packetProtocol, skipCurrentPipeline, currentThread);
		return true;
	} catch (CancelException ignored) {
		;
	} catch (Exception ex) {
		ex.printStackTrace();
	}
	return false;
}

Source File: ProtocolPipeline.java From ViaVersion with MIT License

5 votes

@Override
public void transform(Direction direction, State state, PacketWrapper packetWrapper) throws Exception {
    int originalID = packetWrapper.getId();
    List<Protocol> protocols = new ArrayList<>(protocolList);
    // Other way if outgoing
    if (direction == Direction.OUTGOING)
        Collections.reverse(protocols);

    // Apply protocols
    packetWrapper.apply(direction, state, 0, protocols);
    super.transform(direction, state, packetWrapper);

    if (Via.getManager().isDebug()) {
        // Debug packet
        int serverProtocol = userConnection.getProtocolInfo().getServerProtocolVersion();
        int clientProtocol = userConnection.getProtocolInfo().getProtocolVersion();
        ViaPlatform platform = Via.getPlatform();

        String actualUsername = packetWrapper.user().getProtocolInfo().getUsername();
        String username = actualUsername != null ? actualUsername + " " : "";

        platform.getLogger().log(Level.INFO, "{0}{1} {2}: {3} (0x{4}) -> {5} (0x{6}) [{7}] {8}",
                new Object[]{
                        username,
                        direction,
                        state,
                        originalID,
                        Integer.toHexString(originalID),
                        packetWrapper.getId(),
                        Integer.toHexString(packetWrapper.getId()),
                        Integer.toString(clientProtocol),
                        packetWrapper
                });
    }
}

us.myles.ViaVersion.api.PacketWrapper Java Examples