Examples with PacketHandler com.viaversion.viaversion.api.protocol.remapper.PacketHandler used on opensource projects

Example 61 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.

the class EntityPackets method register.

public static void register(Protocol protocol) {
    final PacketHandler metaTypeHandler = wrapper -> {
        for (Metadata metadata : wrapper.get(Types1_13_2.METADATA_LIST, 0)) {
            metadata.setMetaType(Types1_13_2.META_TYPES.byId(metadata.metaType().typeId()));
        }
    };
    protocol.registerClientbound(ClientboundPackets1_13.SPAWN_MOB, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Entity UUID
            map(Type.UUID);
            // 2 - Entity Type
            map(Type.VAR_INT);
            // 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_13.METADATA_LIST, Types1_13_2.METADATA_LIST);
            handler(metaTypeHandler);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.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
            map(Types1_13.METADATA_LIST, Types1_13_2.METADATA_LIST);
            handler(metaTypeHandler);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.ENTITY_METADATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Metadata list
            map(Types1_13.METADATA_LIST, Types1_13_2.METADATA_LIST);
            handler(metaTypeHandler);
        }
    });
}

Example 62 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler 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 63 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler 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);
}

Example 64 with PacketHandler

use of com.viaversion.viaversion.api.protocol.remapper.PacketHandler in project ViaVersion by ViaVersion.

the class EntityPackets method register.

public static void register(Protocol1_13_1To1_13 protocol) {
    MetadataRewriter1_13_1To1_13 metadataRewriter = protocol.get(MetadataRewriter1_13_1To1_13.class);
    protocol.registerClientbound(ClientboundPackets1_13.SPAWN_ENTITY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity id
            map(Type.VAR_INT);
            // 1 - UUID
            map(Type.UUID);
            // 2 - Type
            map(Type.BYTE);
            // 3 - X
            map(Type.DOUBLE);
            // 4 - Y
            map(Type.DOUBLE);
            // 5 - Z
            map(Type.DOUBLE);
            // 6 - Pitch
            map(Type.BYTE);
            // 7 - Yaw
            map(Type.BYTE);
            // 8 - Data
            map(Type.INT);
            // Track Entity
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int entityId = wrapper.get(Type.VAR_INT, 0);
                    byte type = wrapper.get(Type.BYTE, 0);
                    Entity1_13Types.EntityType entType = Entity1_13Types.getTypeFromId(type, true);
                    if (entType != null) {
                        if (entType.is(Entity1_13Types.EntityType.FALLING_BLOCK)) {
                            int data = wrapper.get(Type.INT, 0);
                            wrapper.set(Type.INT, 0, protocol.getMappingData().getNewBlockStateId(data));
                        }
                        // Register Type ID
                        wrapper.user().getEntityTracker(Protocol1_13_1To1_13.class).addEntity(entityId, entType);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.SPAWN_MOB, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.VAR_INT);
            // 1 - Entity UUID
            map(Type.UUID);
            // 2 - Entity Type
            map(Type.VAR_INT);
            // 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_13.METADATA_LIST);
            handler(metadataRewriter.trackerAndRewriterHandler(Types1_13.METADATA_LIST));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.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
            map(Types1_13.METADATA_LIST);
            handler(metadataRewriter.trackerAndRewriterHandler(Types1_13.METADATA_LIST, Entity1_13Types.EntityType.PLAYER));
        }
    });
    metadataRewriter.registerRemoveEntities(ClientboundPackets1_13.DESTROY_ENTITIES);
    metadataRewriter.registerMetadataRewriter(ClientboundPackets1_13.ENTITY_METADATA, Types1_13.METADATA_LIST);
}