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

Example 96 with PacketWrapper

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

the class EntityTracker1_9 method setSecondHand.

public void setSecondHand(int entityID, Item item) {
    PacketWrapper wrapper = PacketWrapper.create(ClientboundPackets1_9.ENTITY_EQUIPMENT, null, user());
    wrapper.write(Type.VAR_INT, entityID);
    // slot
    wrapper.write(Type.VAR_INT, 1);
    wrapper.write(Type.ITEM, this.itemInSecondHand = item);
    try {
        wrapper.scheduleSend(Protocol1_9To1_8.class);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

Example 97 with PacketWrapper

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

the class Protocol1_9To1_9_1 method registerPackets.

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

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

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

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

Example 98 with PacketWrapper

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

the class CommandBlockProvider method sendPermission.

public void sendPermission(UserConnection user) throws Exception {
    if (!isEnabled())
        return;
    // Entity status
    PacketWrapper wrapper = PacketWrapper.create(ClientboundPackets1_9.ENTITY_STATUS, null, user);
    EntityTracker1_9 tracker = user.getEntityTracker(Protocol1_9To1_8.class);
    // Entity ID
    wrapper.write(Type.INT, tracker.getProvidedEntityId());
    // Hardcoded op permission level
    wrapper.write(Type.BYTE, (byte) 26);
    wrapper.scheduleSend(Protocol1_9To1_8.class);
    user.get(CommandBlockStorage.class).setPermissions(true);
}

Example 99 with PacketWrapper

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

the class InventoryPackets method register.

public static void register(Protocol protocol) {
    protocol.registerClientbound(ClientboundPackets1_13.SET_SLOT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot ID
            map(Type.SHORT);
            // 2 - Slot Value
            map(Type.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.WINDOW_ITEMS, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Window Values
            map(Type.FLAT_ITEM_ARRAY, Type.FLAT_VAR_INT_ITEM_ARRAY);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Channel
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String channel = wrapper.get(Type.STRING, 0);
                    if (channel.equals("minecraft:trader_list") || channel.equals("trader_list")) {
                        // Passthrough Window ID
                        wrapper.passthrough(Type.INT);
                        int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                        for (int i = 0; i < size; i++) {
                            // Input Item
                            wrapper.write(Type.FLAT_VAR_INT_ITEM, wrapper.read(Type.FLAT_ITEM));
                            // Output Item
                            wrapper.write(Type.FLAT_VAR_INT_ITEM, wrapper.read(Type.FLAT_ITEM));
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem) {
                                wrapper.write(Type.FLAT_VAR_INT_ITEM, wrapper.read(Type.FLAT_ITEM));
                            }
                            // Trade disabled
                            wrapper.passthrough(Type.BOOLEAN);
                            // Number of tools uses
                            wrapper.passthrough(Type.INT);
                            // Maximum number of trade uses
                            wrapper.passthrough(Type.INT);
                        }
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.ENTITY_EQUIPMENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Slot ID
            map(Type.VAR_INT);
            // 2 - Item
            map(Type.FLAT_ITEM, Type.FLAT_VAR_INT_ITEM);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.DECLARE_RECIPES, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int recipesNo = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < recipesNo; i++) {
                        // Id
                        wrapper.passthrough(Type.STRING);
                        String type = wrapper.passthrough(Type.STRING);
                        if (type.equals("crafting_shapeless")) {
                            // Group
                            wrapper.passthrough(Type.STRING);
                            int ingredientsNo = wrapper.passthrough(Type.VAR_INT);
                            for (int i1 = 0; i1 < ingredientsNo; i1++) {
                                wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_ITEM_ARRAY_VAR_INT));
                            }
                            wrapper.write(Type.FLAT_VAR_INT_ITEM, wrapper.read(Type.FLAT_ITEM));
                        } else if (type.equals("crafting_shaped")) {
                            int ingredientsNo = wrapper.passthrough(Type.VAR_INT) * wrapper.passthrough(Type.VAR_INT);
                            // Group
                            wrapper.passthrough(Type.STRING);
                            for (int i1 = 0; i1 < ingredientsNo; i1++) {
                                wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_ITEM_ARRAY_VAR_INT));
                            }
                            wrapper.write(Type.FLAT_VAR_INT_ITEM, wrapper.read(Type.FLAT_ITEM));
                        } else if (type.equals("smelting")) {
                            // Group
                            wrapper.passthrough(Type.STRING);
                            // Ingredient start
                            wrapper.write(Type.FLAT_VAR_INT_ITEM_ARRAY_VAR_INT, wrapper.read(Type.FLAT_ITEM_ARRAY_VAR_INT));
                            // Ingredient end
                            wrapper.write(Type.FLAT_VAR_INT_ITEM, wrapper.read(Type.FLAT_ITEM));
                            // EXP
                            wrapper.passthrough(Type.FLOAT);
                            // Cooking time
                            wrapper.passthrough(Type.VAR_INT);
                        }
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.CLICK_WINDOW, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Window ID
            map(Type.UNSIGNED_BYTE);
            // 1 - Slot
            map(Type.SHORT);
            // 2 - Button
            map(Type.BYTE);
            // 3 - Action number
            map(Type.SHORT);
            // 4 - Mode
            map(Type.VAR_INT);
            // 5 - Clicked Item
            map(Type.FLAT_VAR_INT_ITEM, Type.FLAT_ITEM);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.CREATIVE_INVENTORY_ACTION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Slot
            map(Type.SHORT);
            // 1 - Clicked Item
            map(Type.FLAT_VAR_INT_ITEM, Type.FLAT_ITEM);
        }
    });
}

Example 100 with PacketWrapper

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

the class Protocol1_13_1To1_13 method registerPackets.

@Override
protected void registerPackets() {
    entityRewriter.register();
    itemRewriter.register();
    EntityPackets.register(this);
    WorldPackets.register(this);
    registerServerbound(ServerboundPackets1_13.TAB_COMPLETE, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.STRING, new ValueTransformer<String, String>(Type.STRING) {

                @Override
                public String transform(PacketWrapper wrapper, String inputValue) {
                    // 1.13 starts sending slash at start, so we remove it for compatibility
                    return inputValue.startsWith("/") ? inputValue.substring(1) : inputValue;
                }
            });
        }
    });
    registerServerbound(ServerboundPackets1_13.EDIT_BOOK, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.FLAT_ITEM);
            map(Type.BOOLEAN);
            handler(wrapper -> {
                Item item = wrapper.get(Type.FLAT_ITEM, 0);
                itemRewriter.handleItemToServer(item);
            });
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int hand = wrapper.read(Type.VAR_INT);
                    if (hand == 1) {
                        wrapper.cancel();
                    }
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_13.TAB_COMPLETE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Transaction id
            map(Type.VAR_INT);
            // Start
            map(Type.VAR_INT);
            // Length
            map(Type.VAR_INT);
            // Count
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int start = wrapper.get(Type.VAR_INT, 1);
                    // Offset by +1 to take into account / at beginning
                    wrapper.set(Type.VAR_INT, 1, start + 1);
                    // Passthrough suggestions
                    int count = wrapper.get(Type.VAR_INT, 3);
                    for (int i = 0; i < count; i++) {
                        wrapper.passthrough(Type.STRING);
                        boolean hasTooltip = wrapper.passthrough(Type.BOOLEAN);
                        if (hasTooltip) {
                            // JSON Tooltip
                            wrapper.passthrough(Type.STRING);
                        }
                    }
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_13.BOSSBAR, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int action = wrapper.get(Type.VAR_INT, 0);
                    if (action == 0) {
                        wrapper.passthrough(Type.COMPONENT);
                        wrapper.passthrough(Type.FLOAT);
                        wrapper.passthrough(Type.VAR_INT);
                        wrapper.passthrough(Type.VAR_INT);
                        short flags = wrapper.read(Type.BYTE);
                        if ((flags & 0x02) != 0)
                            flags |= 0x04;
                        wrapper.write(Type.UNSIGNED_BYTE, flags);
                    }
                }
            });
        }
    });
    new TagRewriter(this).register(ClientboundPackets1_13.TAGS, RegistryType.ITEM);
    new StatisticsRewriter(this).register(ClientboundPackets1_13.STATISTICS);
}