Java Code Examples for us.myles.ViaVersion.api.PacketWrapper#write()

The following examples show how to use us.myles.ViaVersion.api.PacketWrapper#write() . 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: 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 2

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 3

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 4

Source File: Cooldown.java From ViaRewind with MIT License

6 votes

private void sendBossBar(float cooldown) {
	PacketWrapper wrapper = new PacketWrapper(0x0C, null, getUser());
	if (bossUUID==null) {
		bossUUID = UUID.randomUUID();
		wrapper.write(Type.UUID, bossUUID);
		wrapper.write(Type.VAR_INT, 0);
		wrapper.write(Type.STRING, "{\"text\":\"  \"}");
		wrapper.write(Type.FLOAT, cooldown);
		wrapper.write(Type.VAR_INT, 0);
		wrapper.write(Type.VAR_INT, 0);
		wrapper.write(Type.UNSIGNED_BYTE, (short) 0);
	} else {
		wrapper.write(Type.UUID, bossUUID);
		wrapper.write(Type.VAR_INT, 2);
		wrapper.write(Type.FLOAT, cooldown);
	}
	PacketUtil.sendPacket(wrapper, Protocol1_8TO1_9.class, false, true);
}

Example 5

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 6

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 7

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 8

Source File: TagRewriter.java From ViaVersion with MIT License

6 votes

private void handle(PacketWrapper wrapper, IdRewriteFunction rewriteFunction, List<TagData> newTags) throws Exception {
    int tagsSize = wrapper.read(Type.VAR_INT);
    wrapper.write(Type.VAR_INT, newTags != null ? tagsSize + newTags.size() : tagsSize); // add new tags count

    for (int i = 0; i < tagsSize; i++) {
        wrapper.passthrough(Type.STRING);
        int[] ids = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
        if (rewriteFunction != null) {
            for (int j = 0; j < ids.length; j++) {
                ids[j] = rewriteFunction.rewrite(ids[j]);
            }
        }
    }

    // Send new tags if present
    if (newTags != null) {
        for (TagData tag : newTags) {
            wrapper.write(Type.STRING, tag.identifier);
            wrapper.write(Type.VAR_INT_ARRAY_PRIMITIVE, tag.entries);
        }
    }
}

Example 9

Source File: Cooldown.java From ViaRewind with MIT License

6 votes

private void sendTitle(String title, String subTitle, int fadeIn, int stay, int fadeOut) {
	PacketWrapper timePacket = new PacketWrapper(0x45, null, getUser());
	timePacket.write(Type.VAR_INT, 2);
	timePacket.write(Type.INT, fadeIn);
	timePacket.write(Type.INT, stay);
	timePacket.write(Type.INT, fadeOut);
	PacketWrapper titlePacket = new PacketWrapper(0x45, null, getUser());
	titlePacket.write(Type.VAR_INT, 0);
	titlePacket.write(Type.STRING, title);
	PacketWrapper subtitlePacket = new PacketWrapper(0x45, null, getUser());
	subtitlePacket.write(Type.VAR_INT, 1);
	subtitlePacket.write(Type.STRING, subTitle);

	PacketUtil.sendPacket(titlePacket, Protocol1_8TO1_9.class);
	PacketUtil.sendPacket(subtitlePacket, Protocol1_8TO1_9.class);
	PacketUtil.sendPacket(timePacket, Protocol1_8TO1_9.class);
}

Example 10

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 11

Source File: Cooldown.java From ViaRewind with MIT License

5 votes

private void hideBossBar() {
	if (bossUUID==null) return;
	PacketWrapper wrapper = new PacketWrapper(0x0C, null, getUser());
	wrapper.write(Type.UUID, bossUUID);
	wrapper.write(Type.VAR_INT, 1);
	PacketUtil.sendPacket(wrapper, Protocol1_8TO1_9.class, false, true);
	bossUUID = null;
}

Example 12

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 13

Source File: Levitation.java From ViaRewind with MIT License

5 votes

@Override
public void tick() {
	if (!active) {
		return;
	}

	int vY = (amplifier+1) * 360;
	PacketWrapper packet = new PacketWrapper(0x12, null, Levitation.this.getUser());
	packet.write(Type.VAR_INT, getUser().get(EntityTracker.class).getPlayerId());
	packet.write(Type.SHORT, (short)0);
	packet.write(Type.SHORT, (short)vY);
	packet.write(Type.SHORT, (short)0);
	PacketUtil.sendPacket(packet, Protocol1_8TO1_9.class);
}

Example 14

Source File: Scoreboard.java From ViaRewind with MIT License

5 votes

public String removeTeamForScore(String score) {
	ScoreTeam scoreTeam = scoreTeams.remove(score);
	if (scoreTeam==null) return score;
	scoreTeamNames.remove(scoreTeam.name);

	PacketWrapper teamPacket = new PacketWrapper(0x3E, null, getUser());
	teamPacket.write(Type.STRING, scoreTeam.name);
	teamPacket.write(Type.BYTE, (byte) 1);
	PacketUtil.sendPacket(teamPacket, Protocol1_7_6_10TO1_8.class, true, true);

	return scoreTeam.name;
}

Example 15

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 16

Source File: EntityTracker1_9.java From ViaVersion with MIT License

5 votes

public void sendTeamPacket(boolean add, boolean now) {
    PacketWrapper wrapper = new PacketWrapper(0x41, null, getUser());
    wrapper.write(Type.STRING, "viaversion"); // Use viaversion as name
    if (add) {
        // add
        if (!teamExists) {
            wrapper.write(Type.BYTE, (byte) 0); // make team
            wrapper.write(Type.STRING, "viaversion");
            wrapper.write(Type.STRING, ""); // prefix
            wrapper.write(Type.STRING, ""); // suffix
            wrapper.write(Type.BYTE, (byte) 0); // friendly fire
            wrapper.write(Type.STRING, ""); // nametags
            wrapper.write(Type.STRING, "never"); // collision rule :)
            wrapper.write(Type.BYTE, (byte) 0); // color
        } else {
            wrapper.write(Type.BYTE, (byte) 3);
        }
        wrapper.write(Type.STRING_ARRAY, new String[]{getUser().getProtocolInfo().getUsername()});
    } else {
        wrapper.write(Type.BYTE, (byte) 1); // remove team
    }
    teamExists = add;
    try {
        wrapper.send(Protocol1_9To1_8.class, true, now);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 17

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 18

Source File: EndermiteReplacement.java From ViaRewind with MIT License

5 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) {
		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 19

Source File: EntityToggleGlideListener.java From ViaVersion with MIT License

4 votes

@EventHandler(priority = EventPriority.MONITOR)
public void entityToggleGlide(EntityToggleGlideEvent event) {
    if (!(event.getEntity() instanceof Player)) return;

    Player player = (Player) event.getEntity();
    if (!isOnPipe(player)) return;

    // Cancelling can only be done by updating the player's metadata
    if (event.isGliding() && event.isCancelled()) {
        PacketWrapper packet = new PacketWrapper(0x44, null, getUserConnection(player));
        try {
            packet.write(Type.VAR_INT, player.getEntityId());

            byte bitmask = 0;
            // Collect other metadata for the mitmask
            if (player.getFireTicks() > 0) {
                bitmask |= 0x01;
            }
            if (player.isSneaking()) {
                bitmask |= 0x02;
            }
            // 0x04 is unused
            if (player.isSprinting()) {
                bitmask |= 0x08;
            }
            if (swimmingMethodExists && player.isSwimming()) {
                bitmask |= 0x10;
            }
            if (player.hasPotionEffect(PotionEffectType.INVISIBILITY)) {
                bitmask |= 0x20;
            }
            if (player.isGlowing()) {
                bitmask |= 0x40;
            }

            // leave 0x80 as 0 to stop gliding
            packet.write(Types1_14.METADATA_LIST, Arrays.asList(new Metadata(0, MetaType1_14.Byte, bitmask)));
            packet.send(Protocol1_15To1_14_4.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

Example 20

Source File: ConnectionData.java From ViaVersion with MIT License

4 votes

public static void updateChunkSectionNeighbours(UserConnection user, int chunkX, int chunkZ, int chunkSectionY) {
    for (int chunkDeltaX = -1; chunkDeltaX <= 1; chunkDeltaX++) {
        for (int chunkDeltaZ = -1; chunkDeltaZ <= 1; chunkDeltaZ++) {
            if (Math.abs(chunkDeltaX) + Math.abs(chunkDeltaZ) == 0) continue;

            List<BlockChangeRecord> updates = new ArrayList<>();

            if (Math.abs(chunkDeltaX) + Math.abs(chunkDeltaZ) == 2) { // Corner
                for (int blockY = chunkSectionY * 16; blockY < chunkSectionY * 16 + 16; blockY++) {
                    int blockPosX = chunkDeltaX == 1 ? 0 : 15;
                    int blockPosZ = chunkDeltaZ == 1 ? 0 : 15;
                    updateBlock(user,
                            new Position(
                                    ((chunkX + chunkDeltaX) << 4) + blockPosX,
                                    (short) blockY,
                                    ((chunkZ + chunkDeltaZ) << 4) + blockPosZ
                            ),
                            updates
                    );
                }
            } else {
                for (int blockY = chunkSectionY * 16; blockY < chunkSectionY * 16 + 16; blockY++) {
                    int xStart;
                    int xEnd;
                    int zStart;
                    int zEnd;
                    if (chunkDeltaX == 1) {
                        xStart = 0;
                        xEnd = 2;
                        zStart = 0;
                        zEnd = 16;
                    } else if (chunkDeltaX == -1) {
                        xStart = 14;
                        xEnd = 16;
                        zStart = 0;
                        zEnd = 16;
                    } else if (chunkDeltaZ == 1) {
                        xStart = 0;
                        xEnd = 16;
                        zStart = 0;
                        zEnd = 2;
                    } else {
                        xStart = 0;
                        xEnd = 16;
                        zStart = 14;
                        zEnd = 16;
                    }
                    for (int blockX = xStart; blockX < xEnd; blockX++) {
                        for (int blockZ = zStart; blockZ < zEnd; blockZ++) {
                            updateBlock(user,
                                    new Position(
                                            ((chunkX + chunkDeltaX) << 4) + blockX,
                                            (short) blockY,
                                            ((chunkZ + chunkDeltaZ) << 4) + blockZ),
                                    updates
                            );
                        }
                    }
                }
            }

            if (!updates.isEmpty()) {
                PacketWrapper wrapper = new PacketWrapper(0x0F, null, user);
                wrapper.write(Type.INT, chunkX + chunkDeltaX);
                wrapper.write(Type.INT, chunkZ + chunkDeltaZ);
                wrapper.write(Type.BLOCK_CHANGE_RECORD_ARRAY, updates.toArray(EMPTY_RECORDS));
                try {
                    wrapper.send(Protocol1_13To1_12_2.class, true, true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }
}