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

Example 71 with PacketWrapper

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

the class Protocol1_14_4To1_15 method registerPackets.

@Override
protected void registerPackets() {
    executeAsyncAfterLoaded(Protocol1_15To1_14_4.class, MAPPINGS::load);
    translatableRewriter.registerBossBar(ClientboundPackets1_15.BOSSBAR);
    translatableRewriter.registerChatMessage(ClientboundPackets1_15.CHAT_MESSAGE);
    translatableRewriter.registerCombatEvent(ClientboundPackets1_15.COMBAT_EVENT);
    translatableRewriter.registerDisconnect(ClientboundPackets1_15.DISCONNECT);
    translatableRewriter.registerOpenWindow(ClientboundPackets1_15.OPEN_WINDOW);
    translatableRewriter.registerTabList(ClientboundPackets1_15.TAB_LIST);
    translatableRewriter.registerTitle(ClientboundPackets1_15.TITLE);
    translatableRewriter.registerPing();
    (blockItemPackets = new BlockItemPackets1_15(this)).register();
    entityRewriter.register();
    SoundRewriter soundRewriter = new SoundRewriter(this);
    soundRewriter.registerSound(ClientboundPackets1_15.SOUND);
    soundRewriter.registerSound(ClientboundPackets1_15.ENTITY_SOUND);
    soundRewriter.registerNamedSound(ClientboundPackets1_15.NAMED_SOUND);
    soundRewriter.registerStopSound(ClientboundPackets1_15.STOP_SOUND);
    // Explosion - manually send an explosion sound
    registerClientbound(ClientboundPackets1_15.EXPLOSION, new PacketRemapper() {

        @Override
        public void registerMap() {
            // x
            map(Type.FLOAT);
            // y
            map(Type.FLOAT);
            // z
            map(Type.FLOAT);
            handler(wrapper -> {
                PacketWrapper soundPacket = wrapper.create(ClientboundPackets1_14.SOUND);
                // entity.generic.explode
                soundPacket.write(Type.VAR_INT, 243);
                // blocks category
                soundPacket.write(Type.VAR_INT, 4);
                // x
                soundPacket.write(Type.INT, toEffectCoordinate(wrapper.get(Type.FLOAT, 0)));
                // y
                soundPacket.write(Type.INT, toEffectCoordinate(wrapper.get(Type.FLOAT, 1)));
                // z
                soundPacket.write(Type.INT, toEffectCoordinate(wrapper.get(Type.FLOAT, 2)));
                // volume
                soundPacket.write(Type.FLOAT, 4F);
                // pitch - usually semi randomized by the server, but we don't really have to care about that
                soundPacket.write(Type.FLOAT, 1F);
                soundPacket.send(Protocol1_14_4To1_15.class);
            });
        }

        private int toEffectCoordinate(float coordinate) {
            return (int) (coordinate * 8);
        }
    });
    new TagRewriter(this).register(ClientboundPackets1_15.TAGS, RegistryType.ENTITY);
    new StatisticsRewriter(this).register(ClientboundPackets1_15.STATISTICS);
}

Example 72 with PacketWrapper

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

the class Protocol1_13_2To1_14 method registerPackets.

@Override
protected void registerPackets() {
    executeAsyncAfterLoaded(Protocol1_14To1_13_2.class, MAPPINGS::load);
    translatableRewriter.registerBossBar(ClientboundPackets1_14.BOSSBAR);
    translatableRewriter.registerChatMessage(ClientboundPackets1_14.CHAT_MESSAGE);
    translatableRewriter.registerCombatEvent(ClientboundPackets1_14.COMBAT_EVENT);
    translatableRewriter.registerDisconnect(ClientboundPackets1_14.DISCONNECT);
    translatableRewriter.registerTabList(ClientboundPackets1_14.TAB_LIST);
    translatableRewriter.registerTitle(ClientboundPackets1_14.TITLE);
    translatableRewriter.registerPing();
    new CommandRewriter1_14(this).registerDeclareCommands(ClientboundPackets1_14.DECLARE_COMMANDS);
    blockItemPackets = new BlockItemPackets1_14(this);
    blockItemPackets.register();
    entityRewriter.register();
    new PlayerPackets1_14(this).register();
    new SoundPackets1_14(this).register();
    new StatisticsRewriter(this).register(ClientboundPackets1_14.STATISTICS);
    cancelClientbound(ClientboundPackets1_14.UPDATE_VIEW_POSITION);
    cancelClientbound(ClientboundPackets1_14.UPDATE_VIEW_DISTANCE);
    cancelClientbound(ClientboundPackets1_14.ACKNOWLEDGE_PLAYER_DIGGING);
    registerClientbound(ClientboundPackets1_14.TAGS, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int blockTagsSize = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < blockTagsSize; i++) {
                        wrapper.passthrough(Type.STRING);
                        int[] blockIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                        for (int j = 0; j < blockIds.length; j++) {
                            int id = blockIds[j];
                            // Ignore new blocktags
                            int blockId = getMappingData().getNewBlockId(id);
                            blockIds[j] = blockId;
                        }
                    }
                    int itemTagsSize = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < itemTagsSize; i++) {
                        wrapper.passthrough(Type.STRING);
                        int[] itemIds = wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                        for (int j = 0; j < itemIds.length; j++) {
                            int itemId = itemIds[j];
                            // Ignore new itemtags
                            int oldId = getMappingData().getItemMappings().get(itemId);
                            itemIds[j] = oldId;
                        }
                    }
                    // fluid tags
                    int fluidTagsSize = wrapper.passthrough(Type.VAR_INT);
                    for (int i = 0; i < fluidTagsSize; i++) {
                        wrapper.passthrough(Type.STRING);
                        wrapper.passthrough(Type.VAR_INT_ARRAY_PRIMITIVE);
                    }
                    // Eat entity tags
                    int entityTagsSize = wrapper.read(Type.VAR_INT);
                    for (int i = 0; i < entityTagsSize; i++) {
                        wrapper.read(Type.STRING);
                        wrapper.read(Type.VAR_INT_ARRAY_PRIMITIVE);
                    }
                }
            });
        }
    });
    registerClientbound(ClientboundPackets1_14.UPDATE_LIGHT, null, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int x = wrapper.read(Type.VAR_INT);
                    int z = wrapper.read(Type.VAR_INT);
                    int skyLightMask = wrapper.read(Type.VAR_INT);
                    int blockLightMask = wrapper.read(Type.VAR_INT);
                    int emptySkyLightMask = wrapper.read(Type.VAR_INT);
                    int emptyBlockLightMask = wrapper.read(Type.VAR_INT);
                    byte[][] skyLight = new byte[16][];
                    // we don't need void and +256 light
                    if (isSet(skyLightMask, 0)) {
                        wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                    }
                    for (int i = 0; i < 16; i++) {
                        if (isSet(skyLightMask, i + 1)) {
                            skyLight[i] = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                        } else if (isSet(emptySkyLightMask, i + 1)) {
                            skyLight[i] = ChunkLightStorage.EMPTY_LIGHT;
                        }
                    }
                    if (isSet(skyLightMask, 17)) {
                        wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                    }
                    byte[][] blockLight = new byte[16][];
                    if (isSet(blockLightMask, 0)) {
                        wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                    }
                    for (int i = 0; i < 16; i++) {
                        if (isSet(blockLightMask, i + 1)) {
                            blockLight[i] = wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                        } else if (isSet(emptyBlockLightMask, i + 1)) {
                            blockLight[i] = ChunkLightStorage.EMPTY_LIGHT;
                        }
                    }
                    if (isSet(blockLightMask, 17)) {
                        wrapper.read(Type.BYTE_ARRAY_PRIMITIVE);
                    }
                    // TODO Soft memory leak: Don't store light if chunk is already loaded
                    wrapper.user().get(ChunkLightStorage.class).setStoredLight(skyLight, blockLight, x, z);
                    wrapper.cancel();
                }

                private boolean isSet(int mask, int i) {
                    return (mask & (1 << i)) != 0;
                }
            });
        }
    });
}

Example 73 with PacketWrapper

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

the class AbstractFabricVersionProvider method handleMulticonnectPing.

private void handleMulticonnectPing(UserConnection connection, ProtocolInfo info, boolean blocked, int serverVer) throws Exception {
    if (info.getState() == State.STATUS && info.getProtocolVersion() == -1 && isMulticonnectHandler(connection.getChannel().pipeline()) && (blocked || ProtocolUtils.isSupported(serverVer, getVersionForMulticonnect(serverVer)))) {
        // Intercept the connection
        int multiconnectSuggestion = blocked ? -1 : getVersionForMulticonnect(serverVer);
        getLogger().info("Sending " + ProtocolVersion.getProtocol(multiconnectSuggestion) + " for multiconnect version detector");
        PacketWrapper newAnswer = PacketWrapper.create(0x00, null, connection);
        newAnswer.write(Type.STRING, "{\"version\":{\"name\":\"viafabric integration\",\"protocol\":" + multiconnectSuggestion + "}}");
        newAnswer.send(info.getPipeline().contains(BaseProtocol1_16.class) ? BaseProtocol1_16.class : BaseProtocol1_7.class);
        throw CancelException.generate();
    }
}

Example 74 with PacketWrapper

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

the class VelocityMovementTransmitter method sendPlayer.

public void sendPlayer(UserConnection userConnection) {
    if (userConnection.getProtocolInfo().getState() == State.PLAY) {
        PacketWrapper wrapper = PacketWrapper.create(ServerboundPackets1_8.PLAYER_MOVEMENT, null, userConnection);
        MovementTracker tracker = userConnection.get(MovementTracker.class);
        wrapper.write(Type.BOOLEAN, tracker.isGround());
        try {
            wrapper.scheduleSendToServer(Protocol1_9To1_8.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
        tracker.incrementIdlePacket();
    }
}

Example 75 with PacketWrapper

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

the class EntityPackets method register.

public static void register(Protocol1_14To1_13_2 protocol) {
    MetadataRewriter1_14To1_13_2 metadataRewriter = protocol.get(MetadataRewriter1_14To1_13_2.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, Type.VAR_INT);
            // 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);
            // 9 - Velocity X
            map(Type.SHORT);
            // 10 - Velocity Y
            map(Type.SHORT);
            // 11 - Velocity Z
            map(Type.SHORT);
            // Track Entity
            handler(new PacketHandler() {

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    int entityId = wrapper.get(Type.VAR_INT, 0);
                    int typeId = wrapper.get(Type.VAR_INT, 1);
                    Entity1_13Types.EntityType type1_13 = Entity1_13Types.getTypeFromId(typeId, true);
                    typeId = metadataRewriter.newEntityId(type1_13.getId());
                    EntityType type1_14 = Entity1_14Types.getTypeFromId(typeId);
                    if (type1_14 != null) {
                        int data = wrapper.get(Type.INT, 0);
                        if (type1_14.is(Entity1_14Types.FALLING_BLOCK)) {
                            wrapper.set(Type.INT, 0, protocol.getMappingData().getNewBlockStateId(data));
                        } else if (type1_14.is(Entity1_14Types.MINECART)) {
                            // default is 0 = rideable minecart
                            switch(data) {
                                case 1:
                                    typeId = Entity1_14Types.CHEST_MINECART.getId();
                                    break;
                                case 2:
                                    typeId = Entity1_14Types.FURNACE_MINECART.getId();
                                    break;
                                case 3:
                                    typeId = Entity1_14Types.TNT_MINECART.getId();
                                    break;
                                case 4:
                                    typeId = Entity1_14Types.SPAWNER_MINECART.getId();
                                    break;
                                case 5:
                                    typeId = Entity1_14Types.HOPPER_MINECART.getId();
                                    break;
                                case 6:
                                    typeId = Entity1_14Types.COMMAND_BLOCK_MINECART.getId();
                                    break;
                            }
                        } else if ((type1_14.is(Entity1_14Types.ITEM) && data > 0) || type1_14.isOrHasParent(Entity1_14Types.ABSTRACT_ARROW)) {
                            if (type1_14.isOrHasParent(Entity1_14Types.ABSTRACT_ARROW)) {
                                wrapper.set(Type.INT, 0, data - 1);
                            }
                            // send velocity in separate packet, 1.14 is now ignoring the velocity
                            PacketWrapper velocity = wrapper.create(0x45);
                            velocity.write(Type.VAR_INT, entityId);
                            velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 0));
                            velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 1));
                            velocity.write(Type.SHORT, wrapper.get(Type.SHORT, 2));
                            velocity.scheduleSend(Protocol1_14To1_13_2.class);
                        }
                        // Register Type ID
                        wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class).addEntity(entityId, type1_14);
                    }
                    wrapper.set(Type.VAR_INT, 1, 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_2.METADATA_LIST, Types1_14.METADATA_LIST);
            handler(metadataRewriter.trackerAndRewriterHandler(Types1_14.METADATA_LIST));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.SPAWN_PAINTING, new PacketRemapper() {

        @Override
        public void registerMap() {
            map(Type.VAR_INT);
            map(Type.UUID);
            map(Type.VAR_INT);
            map(Type.POSITION, Type.POSITION1_14);
            map(Type.BYTE);
        }
    });
    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_2.METADATA_LIST, Types1_14.METADATA_LIST);
            handler(metadataRewriter.trackerAndRewriterHandler(Types1_14.METADATA_LIST, Entity1_14Types.PLAYER));
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.ENTITY_ANIMATION, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    short animation = wrapper.passthrough(Type.UNSIGNED_BYTE);
                    if (animation == 2) {
                        // Leave bed
                        EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
                        int entityId = wrapper.get(Type.VAR_INT, 0);
                        tracker.setSleeping(entityId, false);
                        PacketWrapper metadataPacket = wrapper.create(ClientboundPackets1_14.ENTITY_METADATA);
                        metadataPacket.write(Type.VAR_INT, entityId);
                        List<Metadata> metadataList = new LinkedList<>();
                        if (tracker.clientEntityId() != entityId) {
                            metadataList.add(new Metadata(6, Types1_14.META_TYPES.poseType, MetadataRewriter1_14To1_13_2.recalculatePlayerPose(entityId, tracker)));
                        }
                        metadataList.add(new Metadata(12, Types1_14.META_TYPES.optionalPositionType, null));
                        metadataPacket.write(Types1_14.METADATA_LIST, metadataList);
                        metadataPacket.scheduleSend(Protocol1_14To1_13_2.class);
                    }
                }
            });
        }
    });
    protocol.registerClientbound(ClientboundPackets1_13.USE_BED, ClientboundPackets1_14.ENTITY_METADATA, new PacketRemapper() {

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

                @Override
                public void handle(PacketWrapper wrapper) throws Exception {
                    EntityTracker1_14 tracker = wrapper.user().getEntityTracker(Protocol1_14To1_13_2.class);
                    int entityId = wrapper.get(Type.VAR_INT, 0);
                    tracker.setSleeping(entityId, true);
                    Position position = wrapper.read(Type.POSITION);
                    List<Metadata> metadataList = new LinkedList<>();
                    metadataList.add(new Metadata(12, Types1_14.META_TYPES.optionalPositionType, position));
                    if (tracker.clientEntityId() != entityId) {
                        metadataList.add(new Metadata(6, Types1_14.META_TYPES.poseType, MetadataRewriter1_14To1_13_2.recalculatePlayerPose(entityId, tracker)));
                    }
                    wrapper.write(Types1_14.METADATA_LIST, metadataList);
                }
            });
        }
    });
    metadataRewriter.registerRemoveEntities(ClientboundPackets1_13.DESTROY_ENTITIES);
    metadataRewriter.registerMetadataRewriter(ClientboundPackets1_13.ENTITY_METADATA, Types1_13_2.METADATA_LIST, Types1_14.METADATA_LIST);
}