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

Example 6 with PacketWrapper

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

the class InventoryPackets1_13_1 method registerPackets.

@Override
public void registerPackets() {
    registerSetCooldown(ClientboundPackets1_13.COOLDOWN);
    registerWindowItems(ClientboundPackets1_13.WINDOW_ITEMS, Type.FLAT_ITEM_ARRAY);
    registerSetSlot(ClientboundPackets1_13.SET_SLOT, Type.FLAT_ITEM);
    protocol.registerClientbound(ClientboundPackets1_13.PLUGIN_MESSAGE, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    String channel = wrapper.passthrough(Type.STRING);
                    if (channel.equals("minecraft: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
                            Item input = wrapper.passthrough(Type.FLAT_ITEM);
                            handleItemToClient(input);
                            // Output Item
                            Item output = wrapper.passthrough(Type.FLAT_ITEM);
                            handleItemToClient(output);
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem) {
                                // Second Item
                                Item second = wrapper.passthrough(Type.FLAT_ITEM);
                                handleItemToClient(second);
                            }
                            // Trade disabled
                            wrapper.passthrough(Type.BOOLEAN);
                            // Number of tools uses
                            wrapper.passthrough(Type.INT);
                            // Maximum number of trade uses
                            wrapper.passthrough(Type.INT);
                        }
                    }
                }
            });
        }
    });
    registerEntityEquipment(ClientboundPackets1_13.ENTITY_EQUIPMENT, Type.FLAT_ITEM);
    registerClickWindow(ServerboundPackets1_13.CLICK_WINDOW, Type.FLAT_ITEM);
    registerCreativeInvAction(ServerboundPackets1_13.CREATIVE_INVENTORY_ACTION, Type.FLAT_ITEM);
    registerSpawnParticle(ClientboundPackets1_13.SPAWN_PARTICLE, Type.FLAT_ITEM, Type.FLOAT);
}

Example 7 with PacketWrapper

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

the class Protocol1_14_2To1_14_3 method registerPackets.

@Override
protected void registerPackets() {
    registerClientbound(ClientboundPackets1_14.TRADE_LIST, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    wrapper.passthrough(Type.VAR_INT);
                    int size = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    for (int i = 0; i < size; i++) {
                        wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
                        wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
                        if (wrapper.passthrough(Type.BOOLEAN)) {
                            wrapper.passthrough(Type.FLAT_VAR_INT_ITEM);
                        }
                        wrapper.passthrough(Type.BOOLEAN);
                        wrapper.passthrough(Type.INT);
                        wrapper.passthrough(Type.INT);
                        wrapper.passthrough(Type.INT);
                        wrapper.passthrough(Type.INT);
                        wrapper.passthrough(Type.FLOAT);
                    }
                    wrapper.passthrough(Type.VAR_INT);
                    wrapper.passthrough(Type.VAR_INT);
                    wrapper.passthrough(Type.BOOLEAN);
                    wrapper.read(Type.BOOLEAN);
                }
            });
        }
    });
    RecipeRewriter recipeHandler = new RecipeRewriter1_14(this);
    registerClientbound(ClientboundPackets1_14.DECLARE_RECIPES, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                int size = wrapper.passthrough(Type.VAR_INT);
                int deleted = 0;
                for (int i = 0; i < size; i++) {
                    String fullType = wrapper.read(Type.STRING);
                    String type = fullType.replace("minecraft:", "");
                    // id
                    String id = wrapper.read(Type.STRING);
                    if (type.equals("crafting_special_repairitem")) {
                        deleted++;
                        continue;
                    }
                    wrapper.write(Type.STRING, fullType);
                    wrapper.write(Type.STRING, id);
                    recipeHandler.handle(wrapper, type);
                }
                wrapper.set(Type.VAR_INT, 0, size - deleted);
            });
        }
    });
}

Example 8 with PacketWrapper

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

the class EntityPackets1_15 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_15.UPDATE_HEALTH, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> {
                float health = wrapper.passthrough(Type.FLOAT);
                if (health > 0)
                    return;
                if (!wrapper.user().get(ImmediateRespawn.class).isImmediateRespawn())
                    return;
                // Instantly request respawn when 1.15 gamerule is set
                PacketWrapper statusPacket = wrapper.create(ServerboundPackets1_14.CLIENT_STATUS);
                statusPacket.write(Type.VAR_INT, 0);
                statusPacket.sendToServer(Protocol1_14_4To1_15.class);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_15.GAME_EVENT, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.UNSIGNED_BYTE);
            map(Type.FLOAT);
            handler(wrapper -> {
                if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 11) {
                    wrapper.user().get(ImmediateRespawn.class).setImmediateRespawn(wrapper.get(Type.FLOAT, 0) == 1);
                }
            });
        }
    });
    registerTrackerWithData(ClientboundPackets1_15.SPAWN_ENTITY, Entity1_15Types.FALLING_BLOCK);
    protocol.registerClientbound(ClientboundPackets1_15.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);
            // Metadata is no longer sent in 1.15, so we have to send an empty one
            handler(wrapper -> wrapper.write(Types1_14.METADATA_LIST, new ArrayList<>()));
            handler(wrapper -> {
                int type = wrapper.get(Type.VAR_INT, 1);
                EntityType entityType = Entity1_15Types.getTypeFromId(type);
                tracker(wrapper.user()).addEntity(wrapper.get(Type.VAR_INT, 0), entityType);
                wrapper.set(Type.VAR_INT, 1, EntityTypeMapping.getOldEntityId(type));
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_15.RESPAWN, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.INT);
            // Seed
            map(Type.LONG, Type.NOTHING);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_15.JOIN_GAME, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity ID
            map(Type.INT);
            // 1 - Gamemode
            map(Type.UNSIGNED_BYTE);
            // 2 - Dimension
            map(Type.INT);
            // Seed
            map(Type.LONG, Type.NOTHING);
            // 3 - Max Players
            map(Type.UNSIGNED_BYTE);
            // 4 - Level Type
            map(Type.STRING);
            // 5 - View Distance
            map(Type.VAR_INT);
            // 6 - Reduce Debug Info
            map(Type.BOOLEAN);
            handler(getTrackerHandler(Entity1_15Types.PLAYER, Type.INT));
            handler(wrapper -> {
                // Inverted
                boolean immediateRespawn = !wrapper.read(Type.BOOLEAN);
                wrapper.user().get(ImmediateRespawn.class).setImmediateRespawn(immediateRespawn);
            });
        }
    });
    registerTracker(ClientboundPackets1_15.SPAWN_EXPERIENCE_ORB, Entity1_15Types.EXPERIENCE_ORB);
    registerTracker(ClientboundPackets1_15.SPAWN_GLOBAL_ENTITY, Entity1_15Types.LIGHTNING_BOLT);
    registerTracker(ClientboundPackets1_15.SPAWN_PAINTING, Entity1_15Types.PAINTING);
    protocol.registerClientbound(ClientboundPackets1_15.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);
            // Metadata is no longer sent in 1.15, so we have to send an empty one
            handler(wrapper -> wrapper.write(Types1_14.METADATA_LIST, new ArrayList<>()));
            handler(getTrackerHandler(Entity1_15Types.PLAYER, Type.VAR_INT));
        }
    });
    registerRemoveEntities(ClientboundPackets1_15.DESTROY_ENTITIES);
    registerMetadataRewriter(ClientboundPackets1_15.ENTITY_METADATA, Types1_14.METADATA_LIST);
    // Attributes (get rid of generic.flyingSpeed for the Bee remap)
    protocol.registerClientbound(ClientboundPackets1_15.ENTITY_PROPERTIES, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.INT);
            handler(wrapper -> {
                int entityId = wrapper.get(Type.VAR_INT, 0);
                EntityType entityType = tracker(wrapper.user()).entityType(entityId);
                if (entityType != Entity1_15Types.BEE)
                    return;
                int size = wrapper.get(Type.INT, 0);
                int newSize = size;
                for (int i = 0; i < size; i++) {
                    String key = wrapper.read(Type.STRING);
                    if (key.equals("generic.flyingSpeed")) {
                        newSize--;
                        wrapper.read(Type.DOUBLE);
                        int modSize = wrapper.read(Type.VAR_INT);
                        for (int j = 0; j < modSize; j++) {
                            wrapper.read(Type.UUID);
                            wrapper.read(Type.DOUBLE);
                            wrapper.read(Type.BYTE);
                        }
                    } else {
                        wrapper.write(Type.STRING, key);
                        wrapper.passthrough(Type.DOUBLE);
                        int modSize = wrapper.passthrough(Type.VAR_INT);
                        for (int j = 0; j < modSize; j++) {
                            wrapper.passthrough(Type.UUID);
                            wrapper.passthrough(Type.DOUBLE);
                            wrapper.passthrough(Type.BYTE);
                        }
                    }
                }
                if (newSize != size) {
                    wrapper.set(Type.INT, 0, newSize);
                }
            });
        }
    });
}

Example 9 with PacketWrapper

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

the class EntityPackets1_14_1 method registerPackets.

@Override
protected void registerPackets() {
    registerTracker(ClientboundPackets1_14.SPAWN_EXPERIENCE_ORB, Entity1_14Types.EXPERIENCE_ORB);
    registerTracker(ClientboundPackets1_14.SPAWN_GLOBAL_ENTITY, Entity1_14Types.LIGHTNING_BOLT);
    registerTracker(ClientboundPackets1_14.SPAWN_PAINTING, Entity1_14Types.PAINTING);
    registerTracker(ClientboundPackets1_14.SPAWN_PLAYER, Entity1_14Types.PLAYER);
    registerTracker(ClientboundPackets1_14.JOIN_GAME, Entity1_14Types.PLAYER, Type.INT);
    registerRemoveEntities(ClientboundPackets1_14.DESTROY_ENTITIES);
    protocol.registerClientbound(ClientboundPackets1_14.SPAWN_ENTITY, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity id
            map(Type.VAR_INT);
            // 1 - UUID
            map(Type.UUID);
            // 2 - Type
            map(Type.VAR_INT);
            handler(getTrackerHandler());
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.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_14.METADATA_LIST);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int entityId = wrapper.get(Type.VAR_INT, 0);
                    int type = wrapper.get(Type.VAR_INT, 1);
                    // Register Type ID
                    tracker(wrapper.user()).addEntity(entityId, Entity1_14Types.getTypeFromId(type));
                    List<Metadata> metadata = wrapper.get(Types1_14.METADATA_LIST, 0);
                    handleMetadata(entityId, metadata, wrapper.user());
                }
            });
        }
    });
    // Entity Metadata
    registerMetadataRewriter(ClientboundPackets1_14.ENTITY_METADATA, Types1_14.METADATA_LIST);
}

Example 10 with PacketWrapper

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

the class PlayerPackets1_14 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_14.SERVER_DIFFICULTY, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.UNSIGNED_BYTE);
            // Locked
            map(Type.BOOLEAN, Type.NOTHING);
            handler(wrapper -> {
                byte difficulty = wrapper.get(Type.UNSIGNED_BYTE, 0).byteValue();
                wrapper.user().get(DifficultyStorage.class).setDifficulty(difficulty);
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_14.OPEN_SIGN_EDITOR, new // c
    PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION1_14, Type.POSITION);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.QUERY_BLOCK_NBT, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.POSITION, Type.POSITION1_14);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.PLAYER_DIGGING, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Action
            map(Type.VAR_INT);
            // Position
            map(Type.POSITION, Type.POSITION1_14);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.RECIPE_BOOK_DATA, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int type = wrapper.get(Type.VAR_INT, 0);
                    if (type == 0) {
                        wrapper.passthrough(Type.STRING);
                    } else if (type == 1) {
                        // Crafting Recipe Book Open
                        wrapper.passthrough(Type.BOOLEAN);
                        // Crafting Recipe Filter Active
                        wrapper.passthrough(Type.BOOLEAN);
                        // Smelting Recipe Book Open
                        wrapper.passthrough(Type.BOOLEAN);
                        // Smelting Recipe Filter Active
                        wrapper.passthrough(Type.BOOLEAN);
                        // Blast furnace/smoker data
                        wrapper.write(Type.BOOLEAN, false);
                        wrapper.write(Type.BOOLEAN, false);
                        wrapper.write(Type.BOOLEAN, false);
                        wrapper.write(Type.BOOLEAN, false);
                    }
                }
            });
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.UPDATE_COMMAND_BLOCK, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION, Type.POSITION1_14);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.UPDATE_STRUCTURE_BLOCK, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION, Type.POSITION1_14);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.UPDATE_SIGN, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.POSITION, Type.POSITION1_14);
        }
    });
    protocol.registerServerbound(ServerboundPackets1_13.PLAYER_BLOCK_PLACEMENT, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    Position position = wrapper.read(Type.POSITION);
                    int face = wrapper.read(Type.VAR_INT);
                    int hand = wrapper.read(Type.VAR_INT);
                    float x = wrapper.read(Type.FLOAT);
                    float y = wrapper.read(Type.FLOAT);
                    float z = wrapper.read(Type.FLOAT);
                    wrapper.write(Type.VAR_INT, hand);
                    wrapper.write(Type.POSITION1_14, position);
                    wrapper.write(Type.VAR_INT, face);
                    wrapper.write(Type.FLOAT, x);
                    wrapper.write(Type.FLOAT, y);
                    wrapper.write(Type.FLOAT, z);
                    // Inside block
                    wrapper.write(Type.BOOLEAN, false);
                }
            });
        }
    });
}