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Reduce code duplication, tell client about new position if an event 

handler used setTo
This commit is contained in:
James Puleo 2021-02-22 00:40:08 -05:00
parent 48cd3a8b9a
commit 00af9afe43
1 changed files with 47 additions and 46 deletions
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93
src/main/java/com/loohp/limbo/Server/ClientConnection.java
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@ -324,83 +324,79 @@ public class ClientConnection extends Thread {
} }
PacketPlayOutPlayerAbilities abilities = new PacketPlayOutPlayerAbilities(0.05F, 0.1F, flags.toArray(new PlayerAbilityFlags[flags.size()])); PacketPlayOutPlayerAbilities abilities = new PacketPlayOutPlayerAbilities(0.05F, 0.1F, flags.toArray(new PlayerAbilityFlags[flags.size()]));
sendPacket(abilities); sendPacket(abilities);
String str = client_socket.getInetAddress().getHostName() + ":" + client_socket.getPort() + "|" + player.getName(); String str = client_socket.getInetAddress().getHostName() + ":" + client_socket.getPort() + "|" + player.getName();
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player had connected to the Limbo server!"); Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player had connected to the Limbo server!");
PacketPlayOutDeclareCommands declare = DeclareCommands.getDeclareCommandsPacket(player); PacketPlayOutDeclareCommands declare = DeclareCommands.getDeclareCommandsPacket(player);
if (declare != null) { if (declare != null) {
sendPacket(declare); sendPacket(declare);
} }
Limbo.getInstance().getEventsManager().callEvent(new PlayerJoinEvent(player)); Limbo.getInstance().getEventsManager().callEvent(new PlayerJoinEvent(player));
PacketPlayOutSpawnPosition spawnPos = new PacketPlayOutSpawnPosition(BlockPosition.from(s)); PacketPlayOutSpawnPosition spawnPos = new PacketPlayOutSpawnPosition(BlockPosition.from(s));
sendPacket(spawnPos); sendPacket(spawnPos);
PacketPlayOutPositionAndLook positionLook = new PacketPlayOutPositionAndLook(s.getX(), s.getY(), s.getZ(), s.getYaw(), s.getPitch(), 1); PacketPlayOutPositionAndLook positionLook = new PacketPlayOutPositionAndLook(s.getX(), s.getY(), s.getZ(), s.getYaw(), s.getPitch(), 1);
Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, new Location(world, s.getX(), s.getY(), s.getZ(), s.getYaw(), s.getPitch())); Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, new Location(world, s.getX(), s.getY(), s.getZ(), s.getYaw(), s.getPitch()));
sendPacket(positionLook); sendPacket(positionLook);
player.getDataWatcher().update(); player.getDataWatcher().update();
PacketPlayOutEntityMetadata show = new PacketPlayOutEntityMetadata(player, false, Player.class.getDeclaredField("skinLayers")); PacketPlayOutEntityMetadata show = new PacketPlayOutEntityMetadata(player, false, Player.class.getDeclaredField("skinLayers"));
sendPacket(show); sendPacket(show);
ready = true; ready = true;
while (client_socket.isConnected()) { while (client_socket.isConnected()) {
try { try {
int size = DataTypeIO.readVarInt(input); int size = DataTypeIO.readVarInt(input);
int packetId = DataTypeIO.readVarInt(input); int packetId = DataTypeIO.readVarInt(input);
Class<? extends Packet> packetType = Packet.getPlayIn().get(packetId); Class<? extends Packet> packetType = Packet.getPlayIn().get(packetId);
//Limbo.getInstance().getConsole().sendMessage(packetId + " -> " + packetType); //Limbo.getInstance().getConsole().sendMessage(packetId + " -> " + packetType);
if (packetType == null) { CheckedConsumer<PlayerMoveEvent, IOException> processMoveEvent = event ->
input.skipBytes(size - DataTypeIO.getVarIntLength(packetId)); {
} else if (packetType.equals(PacketPlayInPositionAndLook.class)) { Location originalTo = event.getTo().clone();
PacketPlayInPositionAndLook pos = new PacketPlayInPositionAndLook(input);
Location from = player.getLocation();
Location to = new Location(player.getWorld(), pos.getX(), pos.getY(), pos.getZ(), pos.getYaw(), pos.getPitch());
PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to));
if (event.isCancelled()) { if (event.isCancelled()) {
Location returnTo = event.getFrom(); Location returnTo = event.getFrom();
PacketPlayOutPositionAndLook cancel = new PacketPlayOutPositionAndLook(returnTo.getX(), returnTo.getY(), returnTo.getZ(), returnTo.getYaw(), returnTo.getPitch(), 1); PacketPlayOutPositionAndLook cancel = new PacketPlayOutPositionAndLook(returnTo.getX(), returnTo.getY(), returnTo.getZ(), returnTo.getYaw(), returnTo.getPitch(), 1);
sendPacket(cancel); sendPacket(cancel);
} else { } else {
Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, event.getTo()); Location to = event.getTo();
Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, to);
// If an event handler used setTo, let's make sure we tell the player about it.
if(!originalTo.equals(to))
{
PacketPlayOutPositionAndLook pos = new PacketPlayOutPositionAndLook(to.getX(), to.getY(), to.getZ(), to.getYaw(), to.getPitch(), 1);
sendPacket(pos);
}
PacketPlayOutUpdateViewPosition response = new PacketPlayOutUpdateViewPosition((int) player.getLocation().getX() >> 4, (int) player.getLocation().getZ() >> 4); PacketPlayOutUpdateViewPosition response = new PacketPlayOutUpdateViewPosition((int) player.getLocation().getX() >> 4, (int) player.getLocation().getZ() >> 4);
sendPacket(response); sendPacket(response);
} }
};
if (packetType == null) {
input.skipBytes(size - DataTypeIO.getVarIntLength(packetId));
} else if (packetType.equals(PacketPlayInPositionAndLook.class)) {
PacketPlayInPositionAndLook pos = new PacketPlayInPositionAndLook(input);
Location from = player.getLocation();
Location to = new Location(player.getWorld(), pos.getX(), pos.getY(), pos.getZ(), pos.getYaw(), pos.getPitch());
PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to));
processMoveEvent.consume(event);
} else if (packetType.equals(PacketPlayInPosition.class)) { } else if (packetType.equals(PacketPlayInPosition.class)) {
PacketPlayInPosition pos = new PacketPlayInPosition(input); PacketPlayInPosition pos = new PacketPlayInPosition(input);
Location from = player.getLocation(); Location from = player.getLocation();
Location to = new Location(player.getWorld(), pos.getX(), pos.getY(), pos.getZ(), player.getLocation().getYaw(), player.getLocation().getPitch()); Location to = new Location(player.getWorld(), pos.getX(), pos.getY(), pos.getZ(), player.getLocation().getYaw(), player.getLocation().getPitch());
PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to)); PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to));
if (event.isCancelled()) { processMoveEvent.consume(event);
Location returnTo = event.getFrom();
PacketPlayOutPositionAndLook cancel = new PacketPlayOutPositionAndLook(returnTo.getX(), returnTo.getY(), returnTo.getZ(), returnTo.getYaw(), returnTo.getPitch(), 1);
sendPacket(cancel);
} else {
Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, event.getTo());
PacketPlayOutUpdateViewPosition response = new PacketPlayOutUpdateViewPosition((int) player.getLocation().getX() >> 4, (int) player.getLocation().getZ() >> 4);
sendPacket(response);
}
} else if (packetType.equals(PacketPlayInRotation.class)) { } else if (packetType.equals(PacketPlayInRotation.class)) {
PacketPlayInRotation pos = new PacketPlayInRotation(input); PacketPlayInRotation pos = new PacketPlayInRotation(input);
Location from = player.getLocation(); Location from = player.getLocation();
Location to = new Location(player.getWorld(), player.getLocation().getX(), player.getLocation().getY(), player.getLocation().getZ(), pos.getYaw(), pos.getPitch()); Location to = new Location(player.getWorld(), player.getLocation().getX(), player.getLocation().getY(), player.getLocation().getZ(), pos.getYaw(), pos.getPitch());
PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to)); PlayerMoveEvent event = Limbo.getInstance().getEventsManager().callEvent(new PlayerMoveEvent(player, from, to));
if (event.isCancelled()) { processMoveEvent.consume(event);
Location returnTo = event.getFrom();
PacketPlayOutPositionAndLook cancel = new PacketPlayOutPositionAndLook(returnTo.getX(), returnTo.getY(), returnTo.getZ(), returnTo.getYaw(), returnTo.getPitch(), 1);
sendPacket(cancel);
} else {
Limbo.getInstance().getUnsafe().setPlayerLocationSilently(player, event.getTo());
PacketPlayOutUpdateViewPosition response = new PacketPlayOutUpdateViewPosition((int) player.getLocation().getX() >> 4, (int) player.getLocation().getZ() >> 4);
sendPacket(response);
}
} else if (packetType.equals(PacketPlayInKeepAlive.class)) { } else if (packetType.equals(PacketPlayInKeepAlive.class)) {
PacketPlayInKeepAlive alive = new PacketPlayInKeepAlive(input); PacketPlayInKeepAlive alive = new PacketPlayInKeepAlive(input);
if (alive.getPayload() != getLastKeepAlivePayLoad()) { if (alive.getPayload() != getLastKeepAlivePayLoad()) {
@ -430,30 +426,35 @@ public class ClientConnection extends Thread {
} else { } else {
input.skipBytes(size - DataTypeIO.getVarIntLength(packetId)); input.skipBytes(size - DataTypeIO.getVarIntLength(packetId));
} }
} catch (Exception e) { } catch (Exception e) {
break; break;
} }
} }
Limbo.getInstance().getEventsManager().callEvent(new PlayerQuitEvent(player)); Limbo.getInstance().getEventsManager().callEvent(new PlayerQuitEvent(player));
str = client_socket.getInetAddress().getHostName() + ":" + client_socket.getPort() + "|" + player.getName(); str = client_socket.getInetAddress().getHostName() + ":" + client_socket.getPort() + "|" + player.getName();
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player had disconnected!"); Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player had disconnected!");
} }
} catch (Exception e) {e.printStackTrace();} } catch (Exception e) {e.printStackTrace();}
try { try {
client_socket.close(); client_socket.close();
} catch (IOException e) {} } catch (IOException e) {}
state = ClientState.DISCONNECTED; state = ClientState.DISCONNECTED;
if (player != null) { if (player != null) {
Limbo.getInstance().removePlayer(player); Limbo.getInstance().removePlayer(player);
} }
Limbo.getInstance().getServerConnection().getClients().remove(this); Limbo.getInstance().getServerConnection().getClients().remove(this);
running = false; running = false;
} }
@FunctionalInterface
public interface CheckedConsumer<T, TException extends Throwable> {
void consume(T t) throws TException;
}
} }