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

Example 56 with PacketRemapper

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

the class Protocol1_9_1To1_9 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.BYTE, Type.INT);
            // 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 (// Add 1 to every sound id since there is no Elytra sound on a 1.9 server
                    sound >= 415)
                        wrapper.set(Type.VAR_INT, 0, sound + 1);
                }
            });
        }
    });
}

Example 57 with PacketRemapper

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

the class Protocol1_18_2To1_18 method registerPackets.

@Override
protected void registerPackets() {
    final TagRewriter tagRewriter = new TagRewriter(this);
    tagRewriter.addEmptyTag(RegistryType.BLOCK, "minecraft:fall_damage_resetting");
    tagRewriter.registerGeneric(ClientboundPackets1_18.TAGS);
    registerClientbound(ClientboundPackets1_18.ENTITY_EFFECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Entity id
            map(Type.VAR_INT);
            // Effect id
            map(Type.BYTE, Type.VAR_INT);
        }
    });
    registerClientbound(ClientboundPackets1_18.REMOVE_ENTITY_EFFECT, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Entity id
            map(Type.VAR_INT);
            // Effect id
            map(Type.BYTE, Type.VAR_INT);
        }
    });
    registerClientbound(ClientboundPackets1_18.JOIN_GAME, new PacketRemapper() {

        @Override
        public void registerMap() {
            // Entity ID
            map(Type.INT);
            // Hardcore
            map(Type.BOOLEAN);
            // Gamemode
            map(Type.UNSIGNED_BYTE);
            // Previous Gamemode
            map(Type.BYTE);
            // World List
            map(Type.STRING_ARRAY);
            // Registry
            map(Type.NBT);
            // Current dimension data
            map(Type.NBT);
            handler(wrapper -> {
                final CompoundTag registry = wrapper.get(Type.NBT, 0);
                final CompoundTag dimensionsHolder = registry.get("minecraft:dimension_type");
                final ListTag dimensions = dimensionsHolder.get("value");
                for (final Tag dimension : dimensions) {
                    addTagPrefix(((CompoundTag) dimension).get("element"));
                }
                addTagPrefix(wrapper.get(Type.NBT, 1));
            });
        }
    });
    registerClientbound(ClientboundPackets1_18.RESPAWN, new PacketRemapper() {

        @Override
        public void registerMap() {
            handler(wrapper -> addTagPrefix(wrapper.passthrough(Type.NBT)));
        }
    });
}

Example 58 with PacketRemapper

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

the class BlockItemPackets1_12 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_12.MAP_DATA, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int count = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < count * 3; i++) {
                        wrapper.passthrough(Type.BYTE);
                    }
                }
            });
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    short columns = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    if (columns <= 0)
                        return;
                    short rows = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    // X
                    wrapper.passthrough(Type.UNSIGNED_BYTE);
                    // Z
                    wrapper.passthrough(Type.UNSIGNED_BYTE);
                    byte[] data = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                    for (int i = 0; i < data.length; i++) {
                        short color = (short) (data[i] & 0xFF);
                        if (color > 143) {
                            color = (short) MapColorMapping.getNearestOldColor(color);
                            data[i] = (byte) color;
                        }
                    }
                    wrapper.write(Type.BYTE_ARRAY_PRIMITIVE, data);
                }
            });
        }
    });
    registerSetSlot(ClientboundPackets1_12.SET_SLOT, Type.ITEM);
    registerWindowItems(ClientboundPackets1_12.WINDOW_ITEMS, Type.ITEM_ARRAY);
    registerEntityEquipment(ClientboundPackets1_12.ENTITY_EQUIPMENT, Type.ITEM);
    // Plugin message Packet -> Trading
    protocol.registerClientbound(ClientboundPackets1_12.PLUGIN_MESSAGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Channel
            map(Type.STRING);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.STRING, 0).equalsIgnoreCase("MC|TrList")) {
                        // 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.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Output Item
                            wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.ITEM)));
                            // Has second item
                            boolean secondItem = wrapper.passthrough(Type.BOOLEAN);
                            if (secondItem)
                                // Second Item
                                wrapper.write(Type.ITEM, handleItemToClient(wrapper.read(Type.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.registerServerbound(ServerboundPackets1_9_3.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.ITEM);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    if (wrapper.get(Type.VAR_INT, 0) == 1) {
                        // Shift click
                        // https://github.com/ViaVersion/ViaVersion/pull/754
                        // Previously clients grab the item from the clicked slot *before* it has
                        // been moved however now they grab the slot item *after* it has been moved
                        // and send that in the packet.
                        // Set null item (probably will work)
                        wrapper.set(Type.ITEM, 0, null);
                        // Apologize (may happen in some cases, maybe if inventory is full?)
                        PacketWrapper confirm = wrapper.create(ServerboundPackets1_12.WINDOW_CONFIRMATION);
                        confirm.write(Type.UNSIGNED_BYTE, wrapper.get(Type.UNSIGNED_BYTE, 0));
                        confirm.write(Type.SHORT, wrapper.get(Type.SHORT, 1));
                        // Success - not used
                        confirm.write(Type.BOOLEAN, false);
                        wrapper.sendToServer(Protocol1_11_1To1_12.class);
                        wrapper.cancel();
                        confirm.sendToServer(Protocol1_11_1To1_12.class);
                        return;
                    }
                    Item item = wrapper.get(Type.ITEM, 0);
                    handleItemToServer(item);
                }
            });
        }
    });
    registerCreativeInvAction(ServerboundPackets1_9_3.CREATIVE_INVENTORY_ACTION, Type.ITEM);
    protocol.registerClientbound(ClientboundPackets1_12.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);
                    // Use the 1.9.4 Chunk type since nothing changed.
                    Chunk1_9_3_4Type type = new Chunk1_9_3_4Type(clientWorld);
                    Chunk chunk = wrapper.passthrough(type);
                    handleChunk(chunk);
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12.BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Block Position
            map(Type.POSITION);
            // 1 - Block
            map(Type.VAR_INT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int idx = wrapper.get(Type.VAR_INT, 0);
                    wrapper.set(Type.VAR_INT, 0, handleBlockID(idx));
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12.MULTI_BLOCK_CHANGE, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Chunk X
            map(Type.INT);
            // 1 - Chunk Z
            map(Type.INT);
            map(Type.BLOCK_CHANGE_RECORD_ARRAY);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    for (BlockChangeRecord record : wrapper.get(Type.BLOCK_CHANGE_RECORD_ARRAY, 0)) {
                        record.setBlockId(handleBlockID(record.getBlockId()));
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12.BLOCK_ENTITY_DATA, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Position
            map(Type.POSITION);
            // 1 - Action
            map(Type.UNSIGNED_BYTE);
            // 2 - NBT
            map(Type.NBT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Remove bed color
                    if (wrapper.get(Type.UNSIGNED_BYTE, 0) == 11)
                        wrapper.cancel();
                }
            });
        }
    });
    protocol.getEntityRewriter().filter().handler((event, meta) -> {
        if (// Is Item
        meta.metaType().type().equals(Type.ITEM))
            meta.setValue(handleItemToClient((Item) meta.getValue()));
    });
    protocol.registerServerbound(ServerboundPackets1_9_3.CLIENT_STATUS, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    // Open Inventory
                    if (wrapper.get(Type.VAR_INT, 0) == 2) {
                        wrapper.cancel();
                    }
                }
            });
        }
    });
}

Example 59 with PacketRemapper

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

the class SoundPackets1_12 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_12.NAMED_SOUND, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Sound name
            map(Type.STRING);
            // 1 - Sound Category
            map(Type.VAR_INT);
            // 2 - x
            map(Type.INT);
            // 3 - y
            map(Type.INT);
            // 4 - z
            map(Type.INT);
            // 5 - Volume
            map(Type.FLOAT);
            // 6 - Pitch
            map(Type.FLOAT);
        }
    });
    protocol.registerClientbound(ClientboundPackets1_12.SOUND, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Sound name
            map(Type.VAR_INT);
            // 1 - Sound Category
            map(Type.VAR_INT);
            // 2 - x
            map(Type.INT);
            // 3 - y
            map(Type.INT);
            // 4 - z
            map(Type.INT);
            // 5 - Volume
            map(Type.FLOAT);
            // 6 - Pitch
            map(Type.FLOAT);
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int oldId = wrapper.get(Type.VAR_INT, 0);
                    int newId = handleSounds(oldId);
                    if (newId == -1) {
                        wrapper.cancel();
                        return;
                    }
                    if (hasPitch(oldId)) {
                        wrapper.set(Type.FLOAT, 1, handlePitch(oldId));
                    }
                    wrapper.set(Type.VAR_INT, 0, newId);
                }
            });
        }
    });
}

Example 60 with PacketRemapper

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

the class EntityPackets1_11_1 method registerPackets.

@Override
protected void registerPackets() {
    protocol.registerClientbound(ClientboundPackets1_9_3.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(getObjectTrackerHandler());
            handler(getObjectRewriter(id -> Entity1_11Types.ObjectType.findById(id).orElse(null)));
        }
    });
    registerTracker(ClientboundPackets1_9_3.SPAWN_EXPERIENCE_ORB, Entity1_11Types.EntityType.EXPERIENCE_ORB);
    registerTracker(ClientboundPackets1_9_3.SPAWN_GLOBAL_ENTITY, Entity1_11Types.EntityType.WEATHER);
    protocol.registerClientbound(ClientboundPackets1_9_3.SPAWN_MOB, new PacketRemapper() {

        @Override
        public void registerMap() {
            // 0 - Entity id
            map(Type.VAR_INT);
            // 1 - 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_9.METADATA_LIST);
            // Track entity
            handler(getTrackerHandler());
            // Rewrite entity type / metadata
            handler(getMobSpawnRewriter(Types1_9.METADATA_LIST));
        }
    });
    registerTracker(ClientboundPackets1_9_3.SPAWN_PAINTING, Entity1_11Types.EntityType.PAINTING);
    registerJoinGame(ClientboundPackets1_9_3.JOIN_GAME, Entity1_11Types.EntityType.PLAYER);
    registerRespawn(ClientboundPackets1_9_3.RESPAWN);
    protocol.registerClientbound(ClientboundPackets1_9_3.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 list
            map(Types1_9.METADATA_LIST);
            handler(getTrackerAndMetaHandler(Types1_9.METADATA_LIST, Entity1_11Types.EntityType.PLAYER));
        }
    });
    registerRemoveEntities(ClientboundPackets1_9_3.DESTROY_ENTITIES);
    registerMetadataRewriter(ClientboundPackets1_9_3.ENTITY_METADATA, Types1_9.METADATA_LIST);
}