Examples with EntityTracker com.github.dirtpowered.dirtmv.network.versions.Release73To61.entity.EntityTracker used on opensource projects

Example 1 with EntityTracker

use of com.github.dirtpowered.dirtmv.network.versions.Release73To61.entity.EntityTracker in project DirtMultiversion by DirtPowered.

the class ProtocolRelease39To29 method updateEntityLocation.

private void updateEntityLocation(ServerSession session, int entityId, int x, int y, int z, boolean relative) {
    EntityTracker tracker = session.getStorage().get(EntityTracker.class);
    AbstractEntity e = tracker.getEntity(entityId);
    if (e != null) {
        Location oldLoc = e.getLocation();
        double xPos = x / 32.0D;
        double yPos = y / 32.0D;
        double zPos = z / 32.0D;
        Location newLoc;
        if (relative) {
            newLoc = new Location(oldLoc.getX() + xPos, oldLoc.getY() + yPos, oldLoc.getZ() + zPos);
        } else {
            newLoc = new Location(xPos, yPos, zPos);
        }
        e.setLocation(newLoc);
    }
}

Example 2 with EntityTracker

use of com.github.dirtpowered.dirtmv.network.versions.Release73To61.entity.EntityTracker in project DirtMultiversion by DirtPowered.

the class ProtocolRelease39To29 method registerTranslators.

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

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            // since 1.3 handshake is one-way (client -> server)
            return cancel();
        }
    });
    // handshake
    addTranslator(0x02, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            String username = data.read(Type.STRING, 1);
            session.getUserData().setUsername(username);
            PacketData encryptRequest = EncryptionUtils.createEncryptionRequest(session);
            // server -> client
            session.sendPacket(encryptRequest, PacketDirection.TO_CLIENT, getFrom());
            return PacketUtil.createPacket(0x02, new TypeHolder[] { set(Type.STRING, username) });
        }
    });
    // client shared key
    addTranslator(0xFC, PacketDirection.TO_SERVER, new PacketTranslator() {

        @SneakyThrows
        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            PacketData request = session.getUserData().getProxyRequest();
            SecretKey sharedKey = EncryptionUtils.getSecret(data, request);
            // server -> client
            EncryptionUtils.sendEmptyEncryptionResponse(session, getFrom());
            // enable encryption
            EncryptionUtils.setEncryption(session.getChannel(), sharedKey);
            // cancel packet
            return cancel();
        }
    });
    // client command
    addTranslator(0xCD, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            byte command = data.read(Type.BYTE, 0);
            if (command == 0x00) {
                String username = session.getUserData().getUsername();
                return PacketUtil.createPacket(0x01, new TypeHolder[] { // protocol version
                set(Type.INT, 29), set(Type.STRING, username), set(Type.STRING, "default"), set(Type.INT, 0), set(Type.INT, 0), set(Type.BYTE, (byte) 0), set(Type.BYTE, (byte) 0), set(Type.BYTE, (byte) 0) });
            } else {
                return PacketUtil.createPacket(0x09, new TypeHolder[] { set(Type.INT, 0), set(Type.BYTE, (byte) 0), set(Type.BYTE, (byte) 0), set(Type.SHORT, (short) 0), set(Type.STRING, "default") });
            }
        }
    });
    // login
    addTranslator(0x01, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            session.getUserData().setEntityId(data.read(Type.INT, 0));
            return PacketUtil.createPacket(0x01, new TypeHolder[] { data.read(0), data.read(2), set(Type.BYTE, data.read(Type.INT, 3).byteValue()), set(Type.BYTE, data.read(Type.INT, 4).byteValue()), data.read(5), data.read(6), data.read(7) });
        }
    });
    // tab command complete
    addTranslator(0xCB, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return cancel();
        }
    });
    // client settings
    addTranslator(0xCC, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return cancel();
        }
    });
    // spawn position
    addTranslator(0x06, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            EntityTracker tracker = new EntityTracker();
            int x = data.read(Type.INT, 0);
            int y = data.read(Type.INT, 1);
            int z = data.read(Type.INT, 2);
            Location loc = new Location(x, y, z);
            tracker.addEntity(-999, new HumanEntity(-999, loc));
            session.getStorage().set(EntityTracker.class, tracker);
            return data;
        }
    });
    // window click
    addTranslator(0x66, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack newItem = data.read(Type.V1_3R_ITEM, 5);
            return PacketUtil.createPacket(0x66, new TypeHolder[] { data.read(0), data.read(1), data.read(2), data.read(3), data.read(4), set(Type.V1_0R_ITEM, newItem) });
        }
    });
    // set slot
    addTranslator(0x67, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack oldItem = data.read(Type.V1_0R_ITEM, 2);
            return PacketUtil.createPacket(0x67, new TypeHolder[] { data.read(0), data.read(1), set(Type.V1_3R_ITEM, oldItem) });
        }
    });
    // window items
    addTranslator(0x68, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack[] items = data.read(Type.V1_0R_ITEM_ARRAY, 1);
            for (ItemStack item : items) {
                if (item != null && item.getCompoundTag() == null) {
                    // since 1.3 all items contains NBT data
                    item.setCompoundTag(CompoundBinaryTag.empty());
                }
            }
            return PacketUtil.createPacket(0x68, new TypeHolder[] { data.read(0), set(Type.V1_3R_ITEM_ARRAY, items) });
        }
    });
    // entity destroy
    addTranslator(0x1D, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            tracker.removeEntity(entityId);
            return PacketUtil.createPacket(0x1D, new TypeHolder[] { set(Type.BYTE_INT_ARRAY, new int[] { entityId }) });
        }
    });
    // mob spawn
    addTranslator(0x18, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            EntityType entityType = EntityType.fromEntityTypeId(data.read(Type.BYTE, 1));
            double x = data.read(Type.INT, 2) / 32.0D;
            double y = data.read(Type.INT, 3) / 32.0D;
            double z = data.read(Type.INT, 4) / 32.0D;
            Location location = new Location(x, y, z);
            Entity entity = new Entity(entityId, location, entityType);
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            tracker.addEntity(entityId, entity);
            return PacketUtil.createPacket(0x18, 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), set(Type.SHORT, (short) 0), set(Type.SHORT, (short) 0), set(Type.SHORT, (short) 0), data.read(8) });
        }
    });
    // entity status
    addTranslator(0x26, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            byte status = data.read(Type.BYTE, 1);
            if (status == 2) {
                // hurt
                WorldEntityEvent.onDamage(session, entityId);
            }
            if (status == 3) {
                // death
                WorldEntityEvent.onDeath(session, entityId);
            }
            return data;
        }
    });
    // entity teleport
    addTranslator(0x22, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            int x = data.read(Type.INT, 1);
            int y = data.read(Type.INT, 2);
            int z = data.read(Type.INT, 3);
            updateEntityLocation(session, entityId, x, y, z, false);
            return data;
        }
    });
    // entity relative move
    addTranslator(0x1F, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            int x = data.read(Type.BYTE, 1);
            int y = data.read(Type.BYTE, 2);
            int z = data.read(Type.BYTE, 3);
            updateEntityLocation(session, entityId, x, y, z, true);
            return data;
        }
    });
    // entity relative look move
    addTranslator(0x21, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            int x = data.read(Type.BYTE, 1);
            int y = data.read(Type.BYTE, 2);
            int z = data.read(Type.BYTE, 3);
            updateEntityLocation(session, entityId, x, y, z, true);
            return data;
        }
    });
    // vehicle spawn
    addTranslator(0x17, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            Motion motion = data.read(Type.MOTION, 5);
            int throwerId = motion.getThrowerId();
            byte type = data.read(Type.BYTE, 1);
            // sound emulation, entity mount fixes
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            int entityId = data.read(Type.INT, 0);
            double x = data.read(Type.INT, 2) / 32.0D;
            double y = data.read(Type.INT, 3) / 32.0D;
            double z = data.read(Type.INT, 4) / 32.0D;
            float pitch;
            Location loc = new Location(x, y, z);
            switch(type) {
                case 1:
                    // cache boats
                    Entity boat = new Entity(entityId, loc, EntityType.BOAT);
                    tracker.addEntity(entityId, boat);
                    break;
                case 10:
                case 11:
                case 12:
                    // cache minecarts
                    Entity minecart = new Entity(entityId, loc, EntityType.MINECART);
                    tracker.addEntity(entityId, minecart);
                    break;
                case 50:
                    // cache primed tnt entity
                    Entity primedTNT = new Entity(entityId, loc, EntityType.PRIMED_TNT);
                    tracker.addEntity(entityId, primedTNT);
                    WorldEntityEvent.onCustomAction(session, entityId);
                    break;
                case 60:
                    // bow sound
                    pitch = 1.0F / (session.getMain().getSharedRandom().nextFloat() * 0.4F + 1.2F) + 0.5F;
                    WorldEntityEvent.playSoundAt(session, loc, WorldSound.RANDOM_BOW, 0.2F, pitch);
                    break;
                // snowball
                case 61:
                // egg
                case 62:
                // fishing rod
                case 90:
                // ender pearl
                case 65:
                // ender eye
                case 72:
                // throwable potion
                case 73:
                case // exp bottle
                75:
                    pitch = 0.4F / (session.getMain().getSharedRandom().nextFloat() * 0.4F + 0.8F);
                    WorldEntityEvent.playSoundAt(session, loc, WorldSound.RANDOM_BOW, 0.5F, pitch);
                    if (type == 90) {
                        Location hookLocation = new Location(x, y, z);
                        AbstractEntity nearest = getNearestEntity(tracker, hookLocation, 2.0D);
                        throwerId = nearest.getEntityId() != -1 ? nearest.getEntityId() : session.getUserData().getEntityId();
                    }
                    break;
            }
            switch(type) {
                case 70:
                    throwerId = 12;
                    break;
                case 71:
                    throwerId = 13;
                    type = 70;
                    break;
                case 74:
                    throwerId = 122;
                    type = 70;
                    break;
            }
            motion.setThrowerId(throwerId);
            return PacketUtil.createPacket(0x17, new TypeHolder[] { data.read(0), set(Type.BYTE, type), data.read(2), data.read(3), data.read(4), set(Type.MOTION, motion) });
        }
    });
    // block place
    addTranslator(0x0F, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack newItem = data.read(Type.V1_3R_ITEM, 4);
            return PacketUtil.createPacket(0x0F, new TypeHolder[] { data.read(0), data.read(1), data.read(2), data.read(3), set(Type.V1_0R_ITEM, newItem) });
        }
    });
    // creative set slot
    addTranslator(0x6B, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            ItemStack newItem = data.read(Type.V1_3R_ITEM, 1);
            boolean notNull = newItem != null;
            if (notNull && !creativeTab.exists(newItem.getItemId())) {
                // replace all unknown items to stone
                newItem.setItemId(1);
                newItem.setData(0);
            }
            return PacketUtil.createPacket(0x6B, new TypeHolder[] { data.read(0), set(Type.V1_0R_ITEM, newItem) });
        }
    });
    // named entity spawn
    addTranslator(0x14, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            int entityId = data.read(Type.INT, 0);
            double x = data.read(Type.INT, 2) / 32.0D;
            double y = data.read(Type.INT, 3) / 32.0D;
            double z = data.read(Type.INT, 4) / 32.0D;
            Location loc = new Location(x, y, z);
            HumanEntity human = new HumanEntity(entityId, loc);
            tracker.addEntity(entityId, human);
            /* default 1.3.x metadata */
            List<WatchableObject> watchableObjects = Arrays.asList(new WatchableObject(MetadataType.BYTE, 0, 0), new WatchableObject(MetadataType.BYTE, 16, 0), new WatchableObject(MetadataType.SHORT, 1, 300), new WatchableObject(MetadataType.BYTE, 17, 0), new WatchableObject(MetadataType.INT, 8, 0));
            return PacketUtil.createPacket(0x14, new TypeHolder[] { // entityId
            data.read(0), // playerName
            data.read(1), // x
            data.read(2), // y
            data.read(3), // z
            data.read(4), // yaw
            data.read(5), // pitch
            data.read(6), // item
            data.read(7), // default metadata
            set(Type.V1_3B_METADATA, watchableObjects.toArray(new WatchableObject[0])) });
        }
    });
    // entity metadata
    addTranslator(0x28, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            WatchableObject[] watchableObjects = data.read(Type.V1_3B_METADATA, 1);
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            for (WatchableObject watchableObject : watchableObjects) {
                int index = watchableObject.getIndex();
                MetadataType type = watchableObject.getType();
                Object value = watchableObject.getValue();
                if (type == MetadataType.BYTE && index == 0 && tracker.isEntityTracked(entityId)) {
                    if (((Byte) value).intValue() == 4) {
                        // entity mount
                        if (tracker.getEntity(entityId).getEntityType() == EntityType.HUMAN) {
                            HumanEntity humanEntity = (HumanEntity) tracker.getEntity(entityId);
                            AbstractEntity nearbyEntity = getNearestEntity(tracker, humanEntity.getLocation(), 1.5D);
                            EntityType eType = nearbyEntity.getEntityType();
                            if (nearbyEntity.getEntityId() != -1) {
                                if (eType == EntityType.MINECART || eType == EntityType.PIG || eType == EntityType.BOAT) {
                                    PacketData entityAttach = PacketUtil.createPacket(0x27, new TypeHolder[] { set(Type.INT, entityId), set(Type.INT, nearbyEntity.getEntityId()) });
                                    humanEntity.setRidingEntity(true);
                                    session.sendPacket(entityAttach, PacketDirection.TO_CLIENT, getFrom());
                                }
                            }
                        }
                    } else if (((Byte) value).intValue() == 0) {
                        // un-mount
                        if (tracker.isEntityTracked(entityId) && tracker.getEntity(entityId) instanceof HumanEntity) {
                            HumanEntity humanEntity = (HumanEntity) tracker.getEntity(entityId);
                            if (humanEntity.isRidingEntity()) {
                                PacketData entityAttach = PacketUtil.createPacket(0x27, new TypeHolder[] { set(Type.INT, entityId), set(Type.INT, -1) });
                                humanEntity.setRidingEntity(false);
                                session.sendPacket(entityAttach, PacketDirection.TO_CLIENT, getFrom());
                            }
                        }
                    }
                }
            }
            return data;
        }
    });
    // explosion
    addTranslator(0x3C, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            double x = data.read(Type.DOUBLE, 0);
            double y = data.read(Type.DOUBLE, 1);
            double z = data.read(Type.DOUBLE, 2);
            Location loc = new Location(x, y, z);
            WorldEntityEvent.playSoundAt(session, loc, WorldSound.RANDOM_EXPLODE);
            return PacketUtil.createPacket(0x3C, new TypeHolder[] { data.read(0), data.read(1), data.read(2), data.read(3), data.read(4), set(Type.FLOAT, 0.0F), set(Type.FLOAT, 0.0F), set(Type.FLOAT, 0.0F) });
        }
    });
    // item collect
    addTranslator(0x16, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            int entityId = data.read(Type.INT, 0);
            AbstractEntity itemPickup = tracker.getEntity(entityId);
            if (itemPickup != null) {
                Random shared = session.getMain().getSharedRandom();
                float pitch = ((shared.nextFloat() - shared.nextFloat()) * 0.7F + 1.0F) * 2.0F;
                WorldEntityEvent.playSoundAt(session, itemPickup.getLocation(), WorldSound.RANDOM_POP, 0.2F, pitch);
            }
            return data;
        }
    });
    // pickup spawn
    addTranslator(0x15, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            int entityId = data.read(Type.INT, 0);
            double x = data.read(Type.INT, 4) / 32.0D;
            double y = data.read(Type.INT, 5) / 32.0D;
            double z = data.read(Type.INT, 6) / 32.0D;
            Location b = new Location(x, y, z);
            Entity itemPickup = new Entity(entityId, b, EntityType.ITEM);
            tracker.addEntity(entityId, itemPickup);
            return data;
        }
    });
    // player abilities
    addTranslator(0xCA, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            byte mask = data.read(Type.BYTE, 0);
            return PacketUtil.createPacket(0xCA, new TypeHolder[] { set(Type.BOOLEAN, ((mask & 1) > 0)), set(Type.BOOLEAN, ((mask & 2) > 0)), set(Type.BOOLEAN, ((mask & 4) > 0)), set(Type.BOOLEAN, ((mask & 8) > 0)) });
        }
    });
    // player abilities
    addTranslator(0xCA, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            boolean invulnerable = data.read(Type.BOOLEAN, 0);
            boolean flying = data.read(Type.BOOLEAN, 1);
            boolean allowFlying = data.read(Type.BOOLEAN, 2);
            boolean instantBreak = data.read(Type.BOOLEAN, 3);
            byte mask = 0;
            if (invulnerable) {
                mask = (byte) (mask | 1);
            }
            if (flying) {
                mask = (byte) (mask | 2);
            }
            if (allowFlying) {
                mask = (byte) (mask | 4);
            }
            if (instantBreak) {
                mask = (byte) (mask | 8);
            }
            return PacketUtil.createPacket(0xCA, new TypeHolder[] { set(Type.BYTE, mask), set(Type.BYTE, (byte) (0.05f * 255)), set(Type.BYTE, (byte) (0.1f * 255)) });
        }
    });
    // player look move
    addTranslator(0x0D, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            double x = data.read(Type.DOUBLE, 0);
            double y = data.read(Type.DOUBLE, 1);
            double z = data.read(Type.DOUBLE, 3);
            EntityTracker tracker = session.getStorage().get(EntityTracker.class);
            AbstractEntity e = tracker.getEntity(-999);
            if (e != null) {
                e.setLocation(new Location(x, y, z));
            }
            return data;
        }
    });
    // update tile entity
    addTranslator(0x84, 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);
            int entityTypeId = data.read(Type.INT, 4);
            CompoundBinaryTag.Builder builder = CompoundBinaryTag.builder();
            builder.putString("EntityId", EntityIdToTypeString.getEntityTypeString(entityTypeId));
            builder.putShort("Delay", (short) 20);
            builder.putInt("x", x);
            builder.putInt("y", y);
            builder.putInt("z", z);
            CompoundBinaryTag tileTag = builder.build();
            return PacketUtil.createPacket(0x84, new TypeHolder[] { data.read(0), data.read(1), data.read(2), data.read(3), set(Type.COMPOUND_TAG, tileTag) });
        }
    });
    // entity equipment
    addTranslator(0x05, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            short itemId = data.read(Type.SHORT, 2);
            short itemData = data.read(Type.SHORT, 3);
            ItemStack itemStack;
            if (itemId == -1) {
                itemStack = null;
            } else {
                itemStack = new ItemStack(itemId, 0, itemData, null);
            }
            return PacketUtil.createPacket(0x05, new TypeHolder[] { data.read(0), data.read(1), set(Type.V1_3R_ITEM, itemStack) });
        }
    });
}

Example 3 with EntityTracker

use of com.github.dirtpowered.dirtmv.network.versions.Release73To61.entity.EntityTracker in project DirtMultiversion by DirtPowered.

the class ProtocolRelease39To29 method onConnect.

@Override
public void onConnect(ServerSession session) {
    ProtocolStorage storage = session.getStorage();
    storage.set(UpdateTask.class, new UpdateTask(session));
    storage.set(OpenChestTracker.class, new OpenChestTracker());
    if (!storage.hasObject(BlockStorage.class)) {
        storage.set(BlockStorage.class, new BlockStorage(MinecraftVersion.R1_2_4));
    }
    if (!storage.hasObject(EntityTracker.class)) {
        storage.set(EntityTracker.class, new EntityTracker());
    }
}

Example 4 with EntityTracker

use of com.github.dirtpowered.dirtmv.network.versions.Release73To61.entity.EntityTracker in project DirtMultiversion by DirtPowered.

the class UpdateTask method tick.

@Override
public void tick() {
    ProtocolStorage storage = serverSession.getStorage();
    if (storage.hasObject(EntityTracker.class)) {
        EntityTracker tracker = storage.get(EntityTracker.class);
        Random shared = serverSession.getMain().getSharedRandom();
        for (Integer eId : tracker.getTrackedEntities().keySet()) {
            if (shared.nextInt(1000) < this.soundTime++) {
                WorldEntityEvent.onUpdate(serverSession, eId);
                this.soundTime = -80;
            }
        }
    }
}

Example 5 with EntityTracker

use of com.github.dirtpowered.dirtmv.network.versions.Release73To61.entity.EntityTracker in project DirtMultiversion by DirtPowered.

the class ProtocolRelease73To61 method registerTranslators.

@Override
public void registerTranslators() {
    // login
    addTranslator(0x01, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            session.getUserData().setEntityId(entityId);
            EntityTracker tracker = new EntityTracker();
            tracker.addEntity(entityId, EntityType.HUMAN);
            session.getUserData().getProtocolStorage().set(EntityTracker.class, tracker);
            // send entity attributes (fixes fast movement)
            session.sendPacket(data, PacketDirection.TO_CLIENT, getFrom());
            session.sendPacket(getDefaultAttributes(entityId), PacketDirection.TO_CLIENT, getFrom());
            return cancel();
        }
    });
    // respawn
    addTranslator(0x09, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = session.getUserData().getEntityId();
            session.sendPacket(data, PacketDirection.TO_CLIENT, getFrom());
            session.sendPacket(getDefaultAttributes(entityId), PacketDirection.TO_CLIENT, getFrom());
            return cancel();
        }
    });
    // 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) 61), 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("1.6.1");
            pingMessage.setProtocol(session.getUserData().getClientVersion().getRegistryId());
            return PacketUtil.createPacket(0xFF, new TypeHolder[] { set(Type.STRING, ServerMotd.serialize(pingMessage)) });
        }
    });
    // chat
    addTranslator(0x03, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            String message = data.read(Type.STRING, 0);
            return PacketUtil.createPacket(0x03, new TypeHolder[] { set(Type.STRING, ChatUtils.legacyToJsonString(message)) });
        }
    });
    // update health
    addTranslator(0x08, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0x08, new TypeHolder[] { set(Type.FLOAT, data.read(Type.SHORT, 0).floatValue()), data.read(1), data.read(2) });
        }
    });
    // mob spawn
    addTranslator(0x18, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            EntityType entityType = EntityType.fromEntityTypeId(data.read(Type.BYTE, 1));
            int entityId = data.read(Type.INT, 0);
            EntityTracker tracker = session.getUserData().getProtocolStorage().get(EntityTracker.class);
            tracker.addEntity(entityId, entityType);
            WatchableObject[] oldMeta = data.read(Type.V1_4R_METADATA, 11);
            WatchableObject[] newMeta = metadataTransformer.transformMetadata(entityType, oldMeta);
            return PacketUtil.createPacket(0x18, 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_4R_METADATA, newMeta) });
        }
    });
    // entity destroy
    addTranslator(0x1D, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int[] entities = data.read(Type.BYTE_INT_ARRAY, 0);
            EntityTracker tracker = session.getUserData().getProtocolStorage().get(EntityTracker.class);
            for (int entityId : entities) {
                tracker.removeEntity(entityId);
            }
            return data;
        }
    });
    // entity metadata
    addTranslator(0x28, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            EntityTracker tracker = session.getUserData().getProtocolStorage().get(EntityTracker.class);
            EntityType entityType = tracker.getEntityById(entityId);
            if (entityType == null) {
                Logger.warn("[{}] skipping translating metadata for {}. Entity is not tracked", session.getLogTag(), entityId);
                return cancel();
            }
            WatchableObject[] oldMeta = data.read(Type.V1_4R_METADATA, 1);
            WatchableObject[] newMeta = metadataTransformer.transformMetadata(entityType, oldMeta);
            return PacketUtil.createPacket(0x28, new TypeHolder[] { data.read(0), set(Type.V1_4R_METADATA, newMeta) });
        }
    });
    // name entity spawn
    addTranslator(0x14, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            EntityTracker tracker = session.getUserData().getProtocolStorage().get(EntityTracker.class);
            tracker.addEntity(entityId, EntityType.HUMAN);
            WatchableObject[] oldMeta = data.read(Type.V1_4R_METADATA, 8);
            WatchableObject[] newMeta = metadataTransformer.transformMetadata(EntityType.HUMAN, oldMeta);
            return PacketUtil.createPacket(0x14, 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), set(Type.V1_4R_METADATA, newMeta) });
        }
    });
    // vehicle spawn
    addTranslator(0x17, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            int entityId = data.read(Type.INT, 0);
            byte vehicleEntity = data.read(Type.BYTE, 1);
            EntityTracker tracker = session.getUserData().getProtocolStorage().get(EntityTracker.class);
            switch(vehicleEntity) {
                case 0x02:
                    /* item */
                    tracker.addEntity(entityId, EntityType.ITEM);
                    break;
                case 0x46:
                    /* sand, gravel */
                    tracker.addEntity(entityId, EntityType.FALLING_OBJECT);
                    break;
            }
            return data;
        }
    });
    // statistics
    addTranslator(0xC8, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0xC8, new TypeHolder[] { data.read(0), set(Type.INT, data.read(Type.BYTE, 1).intValue()) });
        }
    });
    // level sound
    addTranslator(0x3E, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            String soundName = data.read(Type.STRING, 0);
            String newSoundName = soundRemapper.getNewSoundName(soundName);
            if (newSoundName.isEmpty())
                return cancel();
            return PacketUtil.createPacket(0x3E, new TypeHolder[] { set(Type.STRING, newSoundName), data.read(1), data.read(2), data.read(3), data.read(4), data.read(5) });
        }
    });
    // player abilities
    addTranslator(0xCA, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0xCA, new TypeHolder[] { data.read(0), set(Type.BYTE, (byte) (data.read(Type.FLOAT, 1) * 255F)), set(Type.BYTE, (byte) (data.read(Type.FLOAT, 2) * 255F)) });
        }
    });
    // player abilities
    addTranslator(0xCA, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            return PacketUtil.createPacket(0xCA, new TypeHolder[] { data.read(0), set(Type.FLOAT, (data.read(Type.BYTE, 1) / 255F)), set(Type.FLOAT, (data.read(Type.BYTE, 2) / 255F)) });
        }
    });
    // entity action
    addTranslator(0x13, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            // client -> server
            return PacketUtil.createPacket(0x13, new TypeHolder[] { data.read(0), data.read(1) });
        }
    });
    // entity attach
    addTranslator(0x27, PacketDirection.TO_CLIENT, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            VehicleTracker vehicleTracker = session.getUserData().getProtocolStorage().get(VehicleTracker.class);
            int vehicleId = data.read(Type.INT, 1);
            if (vehicleId != -1) {
                vehicleTracker.setVehicleId(vehicleId);
            }
            return PacketUtil.createPacket(0x27, new TypeHolder[] { data.read(0), data.read(1), // leash
            set(Type.BOOLEAN, false) });
        }
    });
    // 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);
            if (item != null && !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) });
        }
    });
    // steer vehicle
    addTranslator(0x1B, PacketDirection.TO_SERVER, new PacketTranslator() {

        @Override
        public PacketData translate(ServerSession session, PacketData data) {
            VehicleTracker vehicleTracker = session.getUserData().getProtocolStorage().get(VehicleTracker.class);
            boolean dismount = data.read(Type.BOOLEAN, 3);
            if (dismount && vehicleTracker.getVehicleId() != -999) {
                int cachedId = vehicleTracker.getVehicleId();
                vehicleTracker.setVehicleId(-999);
                return PacketUtil.createPacket(0x07, new TypeHolder[] { set(Type.INT, session.getUserData().getEntityId()), set(Type.INT, cachedId), set(Type.BYTE, (byte) 0) });
            }
            // packet doesn't exist in 1.5
            return cancel();
        }
    });
}