Examples with PacketTranslator com.github.dirtpowered.dirtmv.data.translator.PacketTranslator used on opensource projects

Example 21 with PacketTranslator

use of com.github.dirtpowered.dirtmv.data.translator.PacketTranslator in project DirtMultiversion by DirtPowered.

the class WorldPackets method registerTranslators.

@Override
public void registerTranslators() {
    // block change
    addTranslator(0x35, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            BlockStorage blockStorage = session.getStorage().get(BlockStorage.class);
            if (blockStorage.getVersion() == getTo()) {
                int x = data.read(Type.INT, 0);
                byte y = data.read(Type.BYTE, 1);
                int z = data.read(Type.INT, 2);
                int chunkX = x >> 4;
                int chunkZ = z >> 4;
                short blockId = data.read(Type.SHORT, 3);
                if (shouldCache(blockId)) {
                    blockStorage.setBlockAt(chunkX, chunkZ, x, y, z, blockId);
                }
            }
            return data;
        }
    });
    addTranslator(0x34, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            BlockStorage blockStorage = session.getStorage().get(BlockStorage.class);
            if (blockStorage.getVersion() == getTo()) {
                int chunkX = data.read(Type.INT, 0);
                int chunkZ = data.read(Type.INT, 1);
                V1_2MultiBlockArray blocks = data.read(Type.V1_2MULTIBLOCK_ARRAY, 2);
                DataInput dis = new DataInputStream(new ByteArrayInputStream(blocks.getData()));
                for (int i = 0; i < blocks.getRecordCount(); i++) {
                    try {
                        short pos = dis.readShort();
                        int x = pos >> 12 & 15;
                        int y = pos & 255;
                        int z = pos >> 8 & 15;
                        int xPos = x + (chunkX << 4);
                        int zPos = z + (chunkZ << 4);
                        int blockId = dis.readShort() >> 4 & 4095;
                        if (shouldCache(blockId)) {
                            blockStorage.setBlockAt(chunkX, chunkZ, xPos, y, zPos, blockId);
                        }
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
            return data;
        }
    });
    // chunk data
    addTranslator(0x33, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            BlockStorage blockStorage = session.getStorage().get(BlockStorage.class);
            V1_2Chunk chunk = data.read(Type.V1_2_CHUNK, 0);
            if (blockStorage.getVersion() == getTo()) {
                List<ExtendedBlockStorage> parts = new ArrayList<>();
                boolean skyLight = true;
                if (session.getStorage().hasObject(DimensionTracker.class)) {
                    DimensionTracker tracker = session.getStorage().get(DimensionTracker.class);
                    skyLight = tracker.getDimension() == 0;
                }
                // create chunk storage
                V1_2RChunkStorage storage = new V1_2RChunkStorage(skyLight, true, chunk.getChunkX(), chunk.getChunkZ());
                storage.readChunk(chunk.isGroundUp(), chunk.getPrimaryBitmap(), chunk.getUncompressedData());
                // cache for later use (r1.8 -> r1.7)
                chunk.setStorage(storage);
                ExtendedBlockStorage[] columns = storage.getColumnStorage();
                for (int i = 0; i < columns.length; ++i) {
                    ExtendedBlockStorage e = columns[i];
                    boolean f = e != null && !columns[i].isEmpty();
                    if (e != null && (chunk.getPrimaryBitmap() & 1 << i) != 0 && (!chunk.isGroundUp() || f)) {
                        parts.add(e);
                    }
                }
                for (int i = 0; i < parts.size(); ++i) {
                    byte[] blockArray = parts.get(i).getBlockLSBArray();
                    for (int j = 0; j < blockArray.length; ++j) {
                        int x = j & 15;
                        int y = (j >> 8) + i * 16 & 127;
                        int z = j >> 4 & 15;
                        int blockId = blockArray[j] & 255;
                        if (shouldCache(blockId)) {
                            blockStorage.setBlockAt(chunk.getChunkX(), chunk.getChunkZ(), x, y, z, blockId);
                        }
                    }
                }
            }
            return data;
        }
    });
}

Example 22 with PacketTranslator

use of com.github.dirtpowered.dirtmv.data.translator.PacketTranslator in project DirtMultiversion by DirtPowered.

the class EntityPackets method registerTranslators.

@Override
public void registerTranslators() {
    // spawn mob
    addTranslator(0x0F, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            EntityType entityType = EntityType.fromEntityTypeId(data.read(Type.BYTE, 1));
            if (storage.hasObject(V1_7EntityTracker.class)) {
                V1_7EntityTracker tracker = storage.get(V1_7EntityTracker.class);
                int entityId = data.read(Type.VAR_INT, 0);
                tracker.addEntity(entityId, entityType);
            }
            WatchableObject[] oldMeta = data.read(Type.V1_7R_METADATA, 11);
            WatchableObject[] newMeta = metadataTransformer.transformMetadata(entityType, oldMeta);
            return PacketUtil.createPacket(0x0F, new TypeHolder[] { data.read(0), data.read(1), data.read(2), data.read(3), data.read(4), data.read(5), data.read(6), data.read(7), data.read(8), data.read(9), data.read(10), set(Type.V1_8R_METADATA, newMeta) });
        }
    });
    // entity metadata
    addTranslator(0x1C, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            SpawnableObject entityObject = null;
            int entityId = data.read(Type.INT, 0);
            if (storage.hasObject(EntityTracker.class)) {
                EntityTracker tracker = storage.get(EntityTracker.class);
                entityObject = tracker.getEntityById(entityId);
            } else if (storage.hasObject(V1_7EntityTracker.class)) {
                V1_7EntityTracker tracker = storage.get(V1_7EntityTracker.class);
                entityObject = tracker.getEntityById(entityId);
            }
            if (entityObject == null)
                return cancel();
            WatchableObject[] oldMeta = data.read(Type.V1_7R_METADATA, 1);
            WatchableObject[] watchableObjects = metadataTransformer.transformMetadata(entityObject, oldMeta);
            for (int i = 0; i < watchableObjects.length; i++) {
                WatchableObject watchableObject = watchableObjects[i];
                if (watchableObject.getType() == MetadataType.ITEM) {
                    ItemStack obj = (ItemStack) watchableObject.getValue();
                    if (obj != null) {
                        obj = InventoryPackets.itemRemapper.replaceItem(obj);
                    }
                    watchableObjects[i] = new WatchableObject(MetadataType.ITEM, watchableObject.getIndex(), obj);
                }
            }
            return PacketUtil.createPacket(0x1C, new TypeHolder[] { set(Type.VAR_INT, data.read(Type.INT, 0)), set(Type.V1_8R_METADATA, watchableObjects) });
        }
    });
    // entity velocity
    addTranslator(0x12, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0x12, new TypeHolder[] { set(Type.VAR_INT, data.read(Type.INT, 0)), data.read(1), data.read(2), data.read(3) });
        }
    });
    // entity destroy
    addTranslator(0x13, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            int[] entities = data.read(Type.BYTE_INT_ARRAY, 0);
            if (storage.hasObject(V1_7EntityTracker.class)) {
                for (int entityId : entities) {
                    V1_7EntityTracker tracker = storage.get(V1_7EntityTracker.class);
                    tracker.removeEntity(entityId);
                }
            }
            return PacketUtil.createPacket(0x13, new TypeHolder[] { set(Type.VAR_INT_ARRAY, entities) });
        }
    });
    // spawn player
    addTranslator(0x0C, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @SneakyThrows
        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            UUID uniqueId = UUID.fromString(data.read(Type.V1_7_STRING, 1));
            String username = data.read(Type.V1_7_STRING, 2);
            GameProfile profile = GameProfileFetcher.getProfile(username).get();
            if (storage.hasObject(V1_7EntityTracker.class)) {
                V1_7EntityTracker tracker = storage.get(V1_7EntityTracker.class);
                int entityId = data.read(Type.VAR_INT, 0);
                tracker.addEntity(entityId, EntityType.HUMAN);
            }
            WatchableObject[] oldMeta = data.read(Type.V1_7R_METADATA, 10);
            WatchableObject[] newMeta = metadataTransformer.transformMetadata(EntityType.HUMAN, oldMeta);
            // skin layers
            WatchableObject[] layers = new WatchableObject[newMeta.length + 1];
            System.arraycopy(newMeta, 0, layers, 0, newMeta.length);
            layers[newMeta.length] = new WatchableObject(MetadataType.BYTE, 10, (byte) 127);
            newMeta = layers;
            PacketData playerSpawn = PacketUtil.createPacket(0x0C, new TypeHolder[] { data.read(0), set(Type.UUID, profile.getId()), data.read(4), data.read(5), data.read(6), data.read(7), data.read(8), data.read(9), set(Type.V1_8R_METADATA, newMeta) });
            // create fake profile
            // GameProfile profile = new GameProfile(uniqueId, username);
            TabListEntry tabAddListEntry = new TabListEntry(TabListAction.ADD_PLAYER, new PlayerListEntry[] { new PlayerListEntry(profile, new Property[0], 0, 0, null) });
            PacketData tabEntry = PacketUtil.createPacket(0x38, new TypeHolder[] { set(Type.TAB_LIST_ENTRY, tabAddListEntry) });
            // seems that client overwrites old tab packet after sending a new one
            session.sendPacket(tabEntry, PacketDirection.TO_CLIENT, getFrom());
            // send player spawn (right after tablist packet)
            session.sendPacket(playerSpawn, PacketDirection.TO_CLIENT, getFrom());
            new Timer().schedule(new TimerTask() {

                @Override
                public void run() {
                    TabListEntry tabRemoveListEntry = new TabListEntry(TabListAction.REMOVE_PLAYER, new PlayerListEntry[] { new PlayerListEntry(profile, new Property[0], 0, 0, null) });
                    PacketData removeTab = PacketUtil.createPacket(0x38, new TypeHolder[] { set(Type.TAB_LIST_ENTRY, tabRemoveListEntry) });
                    session.sendPacket(removeTab, PacketDirection.TO_CLIENT, getFrom());
                }
            }, 40L);
            return cancel();
        }
    });
    // entity equipment
    addTranslator(0x04, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack originalItem = data.read(Type.V1_3R_ITEM, 2);
            if (originalItem != null) {
                originalItem = InventoryPackets.itemRemapper.replaceItem(originalItem);
            }
            return PacketUtil.createPacket(0x04, new TypeHolder[] { set(Type.VAR_INT, data.read(Type.INT, 0)), data.read(1), set(Type.V1_8R_ITEM, originalItem) });
        }
    });
    // update tile entity
    addTranslator(0x35, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int x = data.read(Type.INT, 0);
            short y = data.read(Type.SHORT, 1);
            int z = data.read(Type.INT, 2);
            return PacketUtil.createPacket(0x35, new TypeHolder[] { set(Type.LONG, ProtocolRelease47To5.toBlockPosition(x, y, z)), data.read(3), set(Type.COMPRESSED_COMPOUND_TAG, data.read(Type.COMPOUND_TAG, 4)) });
        }
    });
    // spawn painting
    addTranslator(0x10, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int x = data.read(Type.INT, 2);
            int y = data.read(Type.INT, 3);
            int z = data.read(Type.INT, 4);
            int direction = data.read(Type.INT, 5);
            switch(direction) {
                case 0:
                    z += 1;
                    break;
                case 1:
                    x -= 1;
                    break;
                case 2:
                    z -= 1;
                    break;
                case 3:
                    x += 1;
                    break;
            }
            return PacketUtil.createPacket(0x10, new TypeHolder[] { data.read(0), data.read(1), set(Type.LONG, ProtocolRelease47To5.toBlockPosition(x, y, z)), set(Type.BYTE, data.read(Type.INT, 5).byteValue()) });
        }
    });
    // entity effect
    addTranslator(0x1D, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0x1D, new TypeHolder[] { set(Type.VAR_INT, data.read(Type.INT, 0)), data.read(1), data.read(2), set(Type.VAR_INT, data.read(Type.SHORT, 3).intValue()), set(Type.BOOLEAN, false) });
        }
    });
    // remove entity effect
    addTranslator(0x1E, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0x1E, new TypeHolder[] { set(Type.VAR_INT, data.read(Type.INT, 0)), data.read(1) });
        }
    });
    // spawn object
    addTranslator(0x0E, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            int x = data.read(Type.INT, 2);
            int y = data.read(Type.INT, 3);
            int z = data.read(Type.INT, 4);
            byte type = data.read(Type.BYTE, 1);
            byte yaw = data.read(Type.BYTE, 6);
            Motion motionData = data.read(Type.MOTION, 7);
            ObjectType objectType = ObjectType.fromObjectTypeId(type);
            switch(objectType) {
                case ITEM:
                    y -= 4;
                    break;
                case TNT_PRIMED:
                    y -= 16;
                    break;
                case FALLING_OBJECT:
                    int itemId = motionData.getThrowerId();
                    int itemData = motionData.getThrowerId() >> 16;
                    short mX = motionData.getMotionX();
                    short mY = motionData.getMotionY();
                    short mZ = motionData.getMotionZ();
                    y -= 16;
                    motionData = new Motion(itemId | itemData << 12, mX, mY, mZ);
                    break;
                case ITEM_FRAME:
                    int rotation = motionData.getThrowerId();
                    if (rotation == 0) {
                        z += 32;
                        yaw = 0;
                    } else if (rotation == 1) {
                        x -= 32;
                        yaw = 64;
                    } else if (rotation == 2) {
                        z -= 32;
                        yaw = -128;
                    } else if (rotation == 3) {
                        x += 32;
                        yaw = -64;
                    }
                    break;
            }
            if (storage.hasObject(V1_7EntityTracker.class)) {
                V1_7EntityTracker tracker = storage.get(V1_7EntityTracker.class);
                int entityId = data.read(Type.VAR_INT, 0);
                tracker.addEntity(entityId, objectType);
            }
            return PacketUtil.createPacket(0x0E, new TypeHolder[] { data.read(0), set(Type.BYTE, type), set(Type.INT, x), set(Type.INT, y), set(Type.INT, z), data.read(5), set(Type.BYTE, yaw), set(Type.MOTION, motionData) });
        }
    });
}

Example 23 with PacketTranslator

use of com.github.dirtpowered.dirtmv.data.translator.PacketTranslator in project DirtMultiversion by DirtPowered.

the class InventoryPackets method registerTranslators.

@Override
public void registerTranslators() {
    // set slot
    addTranslator(0x2F, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            short windowId = data.read(Type.UNSIGNED_BYTE, 0);
            short slot = data.read(Type.SHORT, 1);
            int windowType = 0;
            if (storage.hasObject(WindowTypeTracker.class)) {
                WindowTypeTracker windowTracker = storage.get(WindowTypeTracker.class);
                windowType = windowTracker.getWindowType(windowId);
            }
            ItemStack originalItem = data.read(Type.V1_3R_ITEM, 2);
            if (originalItem == null)
                return new PacketData(0x2F, data.getObjects());
            ItemStack itemStack = itemRemapper.replaceItem(originalItem);
            if (windowType == 4) {
                if (slot >= 1) {
                    slot++;
                }
            }
            // quick-bar cache
            if (storage.hasObject(QuickBarTracker.class)) {
                QuickBarTracker quickBarTracker = storage.get(QuickBarTracker.class);
                quickBarTracker.setItem(slot, itemStack);
            }
            return PacketUtil.createPacket(0x2F, new TypeHolder[] { data.read(0), set(Type.SHORT, slot), set(Type.V1_8R_ITEM, itemStack) });
        }
    });
    // window items
    addTranslator(0x30, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            short windowId = data.read(Type.UNSIGNED_BYTE, 0);
            ItemStack[] itemArray = data.read(Type.V1_3R_ITEM_ARRAY, 1);
            int windowType = 0;
            if (storage.hasObject(WindowTypeTracker.class)) {
                WindowTypeTracker windowTracker = storage.get(WindowTypeTracker.class);
                windowType = windowTracker.getWindowType(windowId);
            }
            if (windowType == 4) {
                ItemStack[] copy = itemArray;
                itemArray = new ItemStack[copy.length + 1];
                itemArray[0] = copy[0];
                int slot = 0;
                while (slot < copy.length - 1) {
                    itemArray[slot + 2] = copy[slot + 1];
                    slot++;
                }
                // lapis
                itemArray[1] = new ItemStack(351, 3, 4, null);
            }
            for (int i = 0; i < itemArray.length; i++) {
                ItemStack originalItem = itemArray[i];
                ItemStack item = originalItem;
                if (originalItem != null) {
                    item = itemRemapper.replaceItem(originalItem);
                }
                itemArray[i] = item;
                // quick-bar cache
                if (storage.hasObject(QuickBarTracker.class)) {
                    QuickBarTracker quickBarTracker = storage.get(QuickBarTracker.class);
                    quickBarTracker.setItem(i, item);
                }
            }
            return PacketUtil.createPacket(0x30, new TypeHolder[] { data.read(0), set(Type.V1_8R_ITEM_ARRAY, itemArray) });
        }
    });
    // open window
    addTranslator(0x2D, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            short windowId = data.read(Type.UNSIGNED_BYTE, 0);
            short type = data.read(Type.UNSIGNED_BYTE, 1);
            String title = data.read(Type.V1_7_STRING, 2);
            short slots = data.read(Type.UNSIGNED_BYTE, 3);
            // non storage inventories have always 0 slots
            slots = InventoryUtils.isNonStorageInventory(type) ? 0 : slots;
            // cache window type (for enchanting tables)
            if (storage.hasObject(WindowTypeTracker.class)) {
                WindowTypeTracker windowTracker = storage.get(WindowTypeTracker.class);
                windowTracker.setWindowTypeFor(windowId, type);
            }
            return PacketUtil.createPacket(0x2D, new TypeHolder[] { data.read(0), set(Type.V1_7_STRING, InventoryUtils.getNamedTypeFromId(type)), set(Type.V1_7_STRING, InventoryUtils.addTranslateComponent(type == 6 ? "entity.Villager.name" : title)), set(Type.UNSIGNED_BYTE, slots) });
        }
    });
    // window click
    addTranslator(0x0E, ProtocolState.PLAY, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            byte windowId = data.read(Type.BYTE, 0);
            short slot = data.read(Type.SHORT, 1);
            int windowType = 0;
            if (storage.hasObject(WindowTypeTracker.class)) {
                WindowTypeTracker windowTracker = storage.get(WindowTypeTracker.class);
                windowType = windowTracker.getWindowType(windowId);
            }
            if (windowType == 4) {
                if (slot > 1) {
                    slot--;
                }
            }
            if (storage.hasObject(QuickBarTracker.class)) {
                QuickBarTracker cache = storage.get(QuickBarTracker.class);
                boolean shiftClick = data.read(Type.BYTE, 4) == 1;
                updateLocalInventory(cache, slot, shiftClick);
            }
            return PacketUtil.createPacket(0x0E, new TypeHolder[] { data.read(0), set(Type.SHORT, slot), data.read(2), data.read(3), data.read(4), set(Type.V1_3R_ITEM, data.read(Type.V1_8R_ITEM, 5)) });
        }
    });
    // creative item get
    addTranslator(0x10, ProtocolState.PLAY, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack item = data.read(Type.V1_8R_ITEM, 1);
            boolean notNull = item != null;
            if (notNull && !creativeTab.exists(item.getItemId())) {
                // replace all unknown items to stone
                item.setItemId(1);
                item.setData(0);
            }
            return PacketUtil.createPacket(0x10, new TypeHolder[] { data.read(0), set(Type.V1_3R_ITEM, item) });
        }
    });
    // change held slot
    addTranslator(0x09, ProtocolState.PLAY, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            if (storage.hasObject(QuickBarTracker.class)) {
                QuickBarTracker quickBarTracker = storage.get(QuickBarTracker.class);
                quickBarTracker.setCurrentHotBarSlot(data.read(Type.SHORT, 0));
            }
            return data;
        }
    });
    // change held slot (server-side)
    addTranslator(0x09, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ProtocolStorage storage = session.getStorage();
            if (storage.hasObject(QuickBarTracker.class)) {
                QuickBarTracker quickBarTracker = storage.get(QuickBarTracker.class);
                quickBarTracker.setCurrentHotBarSlot(data.read(Type.BYTE, 0));
            }
            return data;
        }
    });
    // window property
    addTranslator(0x31, ProtocolState.PLAY, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int property = data.read(Type.SHORT, 1);
            switch(property) {
                case 0:
                    property = 2;
                    PacketData windowProperty = PacketUtil.createPacket(0x31, new TypeHolder[] { data.read(0), set(Type.SHORT, (short) 3), set(Type.SHORT, (short) 200) });
                    session.sendPacket(windowProperty, PacketDirection.TO_CLIENT, getFrom());
                    break;
                case 1:
                    property = 0;
                    break;
                case 2:
                    property = 1;
                    break;
            }
            return PacketUtil.createPacket(0x31, new TypeHolder[] { data.read(0), set(Type.SHORT, (short) property), data.read(2) });
        }
    });
}

Example 24 with PacketTranslator

use of com.github.dirtpowered.dirtmv.data.translator.PacketTranslator in project DirtMultiversion by DirtPowered.

the class ProtocolRelease60To51 method registerTranslators.

@Override
public void registerTranslators() {
    // handshake
    addTranslator(0x02, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0x02, new TypeHolder[] { set(Type.BYTE, (byte) 51), data.read(1), data.read(2), data.read(3) });
        }
    });
    // open window
    addTranslator(0x64, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0x64, new TypeHolder[] { data.read(0), data.read(1), data.read(2), data.read(3), // use original title
            set(Type.BYTE, (byte) 0) });
        }
    });
    // window click
    addTranslator(0x66, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            boolean leftClickFlag = false;
            boolean startDragging = false;
            boolean endDragging = false;
            boolean droppingUsingQ = false;
            boolean addSlot = false;
            short slot = data.read(Type.SHORT, 1);
            byte param = data.read(Type.BYTE, 2);
            byte inventoryAction = data.read(Type.BYTE, 4);
            switch(inventoryAction) {
                case 0:
                    leftClickFlag = param == 0;
                    break;
                case 4:
                    droppingUsingQ = param + (slot != -999 ? 2 : 0) == 2;
                    break;
                case 5:
                    startDragging = param == 0;
                    endDragging = param == 2;
                    addSlot = param == 1;
                    break;
            }
            boolean leftClick = leftClickFlag || startDragging || addSlot || endDragging;
            boolean clickingOutside = slot == -999 && inventoryAction != 5;
            boolean usingShift = inventoryAction == 1;
            int mouseClick = leftClick ? 0 : 1;
            if (droppingUsingQ) {
                PacketData closeWindow = PacketUtil.createPacket(0x65, new TypeHolder[] { set(Type.BYTE, (byte) 0) });
                session.sendPacket(closeWindow, PacketDirection.TO_CLIENT, getFrom());
                return cancel();
            }
            if (slot < 0 && !clickingOutside)
                return cancel();
            return PacketUtil.createPacket(0x66, new TypeHolder[] { data.read(0), data.read(1), set(Type.BYTE, (byte) mouseClick), data.read(3), set(Type.BYTE, (byte) (usingShift ? 1 : 0)), set(Type.V1_3R_ITEM, new ItemStack(34, 0, 0, null)) });
        }
    });
    // vehicle spawn
    addTranslator(0x17, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            Motion motion = data.read(Type.MOTION, 7);
            int throwerId = motion.getThrowerId();
            byte vehicleType = data.read(Type.BYTE, 1);
            byte vehicleFixedType = vehicleType;
            switch(vehicleType) {
                case // rideable minecart
                (byte) 10:
                    throwerId = 0;
                    break;
                case // chest minecart
                (byte) 11:
                    vehicleFixedType = 10;
                    throwerId = 1;
                    break;
                case // furnace minecart
                (byte) 12:
                    vehicleFixedType = 10;
                    throwerId = 2;
                    break;
            }
            motion.setThrowerId(throwerId);
            return PacketUtil.createPacket(0x17, new TypeHolder[] { data.read(0), set(Type.BYTE, vehicleFixedType), data.read(2), data.read(3), data.read(4), data.read(5), data.read(6), set(Type.MOTION, motion) });
        }
    });
    // creative item get
    addTranslator(0x6B, ProtocolState.PLAY, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack item = data.read(Type.V1_3R_ITEM, 1);
            boolean notNull = item != null;
            if (notNull && !creativeTab.exists(item.getItemId())) {
                // replace all unknown items to stone
                item.setItemId(1);
                item.setData(0);
            }
            return PacketUtil.createPacket(0x6B, new TypeHolder[] { data.read(0), set(Type.V1_3R_ITEM, item) });
        }
    });
}

Example 25 with PacketTranslator

use of com.github.dirtpowered.dirtmv.data.translator.PacketTranslator in project DirtMultiversion by DirtPowered.

the class ProtocolRelease78To74 method registerTranslators.

@Override
public void registerTranslators() {
    // handshake
    addTranslator(0x02, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0x02, new TypeHolder[] { set(Type.BYTE, (byte) 74), data.read(1), data.read(2), data.read(3) });
        }
    });
    // kick disconnect
    addTranslator(0xFF, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            if (session.getUserData().getPreNettyProtocolState() != PreNettyProtocolState.STATUS)
                return data;
            String reason = data.read(Type.STRING, 0);
            ServerMotd pingMessage = ServerMotd.deserialize(reason);
            pingMessage.setVersionName("1.6.4");
            pingMessage.setProtocol(session.getUserData().getClientVersion().getRegistryId());
            return PacketUtil.createPacket(0xFF, new TypeHolder[] { set(Type.STRING, ServerMotd.serialize(pingMessage)) });
        }
    });
}