us.myles.ViaVersion.api.PacketWrapper Java Examples

The following examples show how to use us.myles.ViaVersion.api.PacketWrapper. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

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));
                    }
                }
            });
        }
    });
}

Example #2

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);
}

Example #3

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);
}

Example #4

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);
	}
}

Example #5

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);
}

Example #6

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);
}

Example #7

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);
    }
}

Example #8

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);
	}
}

Example #9

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);
	}
}

Example #10

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;
    }
}

Example #11

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();
    }
}

Example #12

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();
            }
        }
    });
}

Example #13

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();
                }
            }
        }
    });
}

Example #14

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();
    }
}

Example #15

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();
    }
}

Example #16

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();
        }
    }
}

Example #17

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);
}

Example #18

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();
    }
}

Example #19

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;
    }
}

Example #20

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);
}

Example #21

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;
    }
}

Example #22

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;
    }
}

Example #23

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
    }
}

Example #24

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);
        }
    }
}

Example #25

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();
    }
}

Example #26

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();
    }
}

Example #27

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);
}

Example #28

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
    }
}

Example #29

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;
}

Example #30

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
                });
    }
}