/**
* Sends the update entity packet.
*
* @param entity The entity being updated.
*/
public void sendUpdateEntity(Entity entity) {
final Position oldPosition = entity.getOldPosition();
final Position position = entity.getPosition();
final Rotation oldRotation = entity.getOldRotation();
final Rotation rotation = entity.getRotation();
final int deltaX = -oldPosition.getX() - position.getX();
final int deltaY = -oldPosition.getY() - position.getY();
final int deltaZ = -oldPosition.getZ() - position.getZ();
final int deltaRotation = -oldRotation.getRotation() - rotation.getRotation();
final int deltaLook = -oldRotation.getLook() - rotation.getLook();
if (deltaX != 0 || deltaY != 0 || deltaZ != 0) {
if (deltaX > Byte.MAX_VALUE
|| deltaX < Byte.MIN_VALUE
|| deltaY > Byte.MAX_VALUE
|| deltaY < Byte.MIN_VALUE
|| deltaZ > Byte.MAX_VALUE
|| deltaZ < Byte.MIN_VALUE
|| deltaRotation > Byte.MAX_VALUE
|| deltaRotation < Byte.MIN_VALUE
|| deltaLook > Byte.MAX_VALUE
|| deltaLook < Byte.MIN_VALUE) {
// teleport
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(8));
bldr.putByte("id", entity.getId());
bldr.putShort("x", position.getX());
bldr.putShort("y", position.getY());
bldr.putShort("z", position.getZ());
bldr.putByte("rotation", rotation.getRotation());
bldr.putByte("look", rotation.getLook());
session.send(bldr.toPacket());
} else {
// send move and rotate packet
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(9));
bldr.putByte("id", entity.getId());
bldr.putByte("delta_x", deltaX);
bldr.putByte("delta_y", deltaY);
bldr.putByte("delta_z", deltaZ);
bldr.putByte("delta_rotation", deltaRotation);
bldr.putByte("delta_look", deltaLook);
session.send(bldr.toPacket());
}
}
}
/**
* Sends a login failure.
*
* @param message The message to send to the client.
*/
public void sendLoginFailure(String message) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(14));
bldr.putString("reason", message);
session.send(bldr.toPacket());
session.close();
}
/**
* Sends a level block/chunk.
*
* @param len The length of the chunk.
* @param chunk The chunk data.
* @param percent The percentage.
*/
public void sendLevelBlock(int len, byte[] chunk, int percent) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(3));
bldr.putShort("chunk_length", len);
bldr.putByteArray("chunk_data", chunk);
bldr.putByte("percent", percent);
session.send(bldr.toPacket());
}
/**
* Sends a login response.
*
* @param protocolVersion The protocol version.
* @param name The server name.
* @param message The server message of the day.
* @param op Operator flag.
*/
public void sendLoginResponse(int protocolVersion, String name, String message, boolean op) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(0));
bldr.putByte("protocol_version", protocolVersion);
bldr.putString("server_name", name);
bldr.putString("server_message", message);
bldr.putByte("user_type", op ? 100 : 0);
session.send(bldr.toPacket());
}
/**
* Sends a block.
*
* @param x X coordinate.
* @param y Y coordinate.
* @param z Z coordinate.
* @param type BlockDefinition type.
*/
public void sendBlock(int x, int y, int z, byte type) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(6));
bldr.putShort("x", x);
bldr.putShort("y", y);
bldr.putShort("z", z);
bldr.putByte("type", type);
session.send(bldr.toPacket());
}
public void sendSpawn(byte id, String name, int x, int y, int z, byte rotation, byte look) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(7));
bldr.putByte("id", id);
bldr.putString("name", name);
bldr.putShort("x", x);
bldr.putShort("y", y);
bldr.putShort("z", z);
bldr.putByte("rotation", rotation);
bldr.putByte("look", look);
session.send(bldr.toPacket());
}
/**
* Sends the add entity packet.
*
* @param entity The entity being added.
*/
public void sendAddEntity(Entity entity) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(7));
bldr.putByte("id", entity.getId());
bldr.putString("name", entity.getColoredName());
bldr.putShort("x", entity.getPosition().getX());
bldr.putShort("y", entity.getPosition().getY());
bldr.putShort("z", entity.getPosition().getZ());
bldr.putByte("rotation", entity.getRotation().getRotation());
bldr.putByte("look", entity.getRotation().getLook());
session.send(bldr.toPacket());
}
/**
* Sends a teleport.
*
* @param position The new position.
* @param rotation The new rotation.
*/
public void sendTeleport(Position position, Rotation rotation) {
session.getPlayer().teleportPosition = position.toBlockPos();
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(8));
bldr.putByte("id", -1);
bldr.putShort("x", position.getX());
bldr.putShort("y", position.getY());
bldr.putShort("z", position.getZ());
bldr.putByte("rotation", rotation.getRotation());
bldr.putByte("look", rotation.getLook());
session.send(bldr.toPacket());
session.getPlayer().teleporting = true;
}
/**
* Sends a chat message.
*
* @param id The source player id.
* @param message The message.
*/
public void sendChatMessage(int id, String message) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(13));
String message2 = "";
if (message.length() > 64) {
message2 = message.substring(64);
int idx = message.lastIndexOf("&");
if (idx != -1) message2 = "&" + message.charAt(idx + 1) + message2;
message = message.substring(0, 64);
}
bldr.putByte("id", id);
bldr.putString("message", message);
session.send(bldr.toPacket());
if (!message2.equals("")) sendChatMessage(id, "> " + message2);
}
/**
* Sends the remove entity packet.
*
* @param entity The entity being removed.
*/
public void sendRemoveEntity(Entity entity) {
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(12));
bldr.putByte("id", entity.getOldId());
session.send(bldr.toPacket());
}
/** Sends the level init packet. */
public void sendLevelInit() {
session.setAuthenticated();
PacketBuilder bldr =
new PacketBuilder(PersistingPacketManager.getPacketManager().getOutgoingPacket(2));
session.send(bldr.toPacket());
}