Examples with Entry net.glowstone.entity.meta.MetadataMap.Entry used on opensource projects

Example 1 with Entry

use of net.glowstone.entity.meta.MetadataMap.Entry in project Glowstone by GlowstoneMC.

the class GlowBufUtils method writeMetadata.

/**
 * Write a list of mob metadata entries to the buffer.
 *
 * @param buf     The buffer.
 * @param entries The metadata.
 * @throws IOException if the buffer could not be written to
 */
public static void writeMetadata(ByteBuf buf, List<Entry> entries) throws IOException {
    for (Entry entry : entries) {
        MetadataIndex index = entry.index;
        Object value = entry.value;
        int type = index.getType().getId();
        int id = index.getIndex();
        buf.writeByte(id);
        buf.writeByte(type);
        if (!index.getType().isOptional() && value == null) {
            continue;
        }
        if (index.getType().isOptional()) {
            buf.writeBoolean(value != null);
            if (value == null) {
                continue;
            }
        }
        writeValue(buf, value, index.getType());
    }
    buf.writeByte(0xff);
}

Example 2 with Entry

use of net.glowstone.entity.meta.MetadataMap.Entry in project Glowstone by GlowstoneMC.

the class GlowEntity method createUpdateMessage.

/**
 * Creates a {@link Message} which can be sent to a client to update this entity.
 *
 * @param session Session to update this entity for
 * @return A message which can update this entity.
 */
public List<Message> createUpdateMessage(GlowSession session) {
    double x = location.getX();
    double y = location.getY();
    double z = location.getZ();
    double dx = x * 32 - previousLocation.getX() * 32;
    double dy = y * 32 - previousLocation.getY() * 32;
    double dz = z * 32 - previousLocation.getZ() * 32;
    dx *= 128;
    dy *= 128;
    dz *= 128;
    boolean teleport = dx > Short.MAX_VALUE || dy > Short.MAX_VALUE || dz > Short.MAX_VALUE || dx < Short.MIN_VALUE || dy < Short.MIN_VALUE || dz < Short.MIN_VALUE;
    List<Message> result = new LinkedList<>();
    boolean moved = hasMoved();
    boolean rotated = hasRotated();
    if (teleported || moved && teleport) {
        result.add(new EntityTeleportMessage(entityId, location));
    } else if (rotated) {
        int yaw = Position.getIntYaw(location);
        int pitch = Position.getIntPitch(location);
        if (moved) {
            result.add(new RelativeEntityPositionRotationMessage(entityId, (short) dx, (short) dy, (short) dz, yaw, pitch));
        } else {
            result.add(new EntityRotationMessage(entityId, yaw, pitch));
        }
    } else if (moved) {
        result.add(new RelativeEntityPositionMessage(entityId, (short) dx, (short) dy, (short) dz));
    }
    // send changed metadata
    List<Entry> changes = metadata.getChanges();
    if (!changes.isEmpty()) {
        result.add(new EntityMetadataMessage(entityId, changes));
    }
    // send velocity if needed
    if (velocityChanged) {
        result.add(new EntityVelocityMessage(entityId, velocity));
    }
    if (passengerChanged) {
        // A player can be a passenger of any arbitrary entity, e.g. a boat
        // In case the current session belongs to this player passenger
        // We need to send the self_id
        List<Integer> passengerIds = new ArrayList<>();
        getPassengers().forEach(e -> passengerIds.add(e.getEntityId()));
        result.add(new SetPassengerMessage(getEntityId(), passengerIds.stream().mapToInt(Integer::intValue).toArray()));
        passengerChanged = false;
    }
    if (leashHolderChanged) {
        int attached = isLeashed() && session.getPlayer().getEntityId() == leashHolder.getEntityId() ? 0 : this.getEntityId();
        int holder = !isLeashed() ? -1 : leashHolder.getEntityId();
        // createAfterSpawnMessage()
        if (!isLeashed() || session.getPlayer().canSeeEntity(leashHolder)) {
            result.add(new AttachEntityMessage(attached, holder));
        }
    }
    return result;
}

Example 3 with Entry

use of net.glowstone.entity.meta.MetadataMap.Entry in project Glowstone by GlowstoneMC.

the class GlowBufUtils method readMetadata.

/**
 * Read a list of mob metadata entries from the buffer.
 *
 * @param buf The buffer.
 * @return The metadata.
 * @throws IOException if the buffer could not be read
 */
public static List<Entry> readMetadata(ByteBuf buf) throws IOException {
    List<Entry> entries = new ArrayList<>();
    byte item;
    while ((item = buf.readByte()) != -1) {
        MetadataType type = MetadataType.byId(buf.readByte());
        MetadataIndex index = MetadataIndex.getIndex((int) item, type);
        switch(type) {
            case BYTE:
                entries.add(new Entry(index, buf.readByte()));
                break;
            case INT:
                entries.add(new Entry(index, ByteBufUtils.readVarInt(buf)));
                break;
            case FLOAT:
                entries.add(new Entry(index, buf.readFloat()));
                break;
            case STRING:
                entries.add(new Entry(index, ByteBufUtils.readUTF8(buf)));
                break;
            case ITEM:
                entries.add(new Entry(index, readSlot(buf)));
                break;
            case BOOLEAN:
                entries.add(new Entry(index, buf.readBoolean()));
                break;
            case VECTOR:
                float x = buf.readFloat();
                float y = buf.readFloat();
                float z = buf.readFloat();
                entries.add(new MetadataMap.Entry(index, new EulerAngle(x, y, z)));
                break;
            case POSITION:
            case OPTPOSITION:
                entries.add(new Entry(index, Position.getPosition(buf.readLong())));
                break;
            case DIRECTION:
                entries.add(new Entry(index, ByteBufUtils.readVarInt(buf)));
                break;
            case OPTUUID:
                if (buf.readBoolean()) {
                    entries.add(new Entry(index, readUuid(buf)));
                }
                break;
            case BLOCKID:
                entries.add(new Entry(index, ByteBufUtils.readVarInt(buf)));
                break;
            case NBTTAG:
                entries.add(new Entry(index, readCompound(buf)));
                break;
            default:
        }
    }
    return entries;
}

Example 4 with Entry

use of net.glowstone.entity.meta.MetadataMap.Entry in project Glowstone by GlowstoneMC.

the class SpawnPlayerCodec method decode.

@Override
public SpawnPlayerMessage decode(ByteBuf buf) throws IOException {
    int id = ByteBufUtils.readVarInt(buf);
    UUID uuid = GlowBufUtils.readUuid(buf);
    double x = buf.readDouble();
    double y = buf.readDouble();
    double z = buf.readDouble();
    int rotation = buf.readByte();
    int pitch = buf.readByte();
    List<Entry> list = GlowBufUtils.readMetadata(buf);
    return new SpawnPlayerMessage(id, uuid, x, y, z, rotation, pitch, list);
}

Example 5 with Entry

use of net.glowstone.entity.meta.MetadataMap.Entry in project Glowstone by GlowstoneMC.

the class SpawnMobCodec method decode.

@Override
public SpawnMobMessage decode(ByteBuf buf) throws IOException {
    int id = ByteBufUtils.readVarInt(buf);
    UUID uuid = GlowBufUtils.readUuid(buf);
    int type = ByteBufUtils.readVarInt(buf);
    double x = buf.readDouble();
    double y = buf.readDouble();
    double z = buf.readDouble();
    int headPitch = buf.readByte();
    int pitch = buf.readByte();
    int rotation = buf.readByte();
    int velX = buf.readShort();
    int velY = buf.readShort();
    int velZ = buf.readShort();
    List<Entry> list = GlowBufUtils.readMetadata(buf);
    return new SpawnMobMessage(id, uuid, type, x, y, z, rotation, pitch, headPitch, velX, velY, velZ, list);
}