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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()]));
sendPacket(abilities);
String str = client_socket.getInetAddress().getHostName() + ":" + client_socket.getPort() + "|" + player.getName();
Limbo.getInstance().getConsole().sendMessage("[/" + str + "] <-> Player had connected to the Limbo server!");
PacketPlayOutDeclareCommands declare = DeclareCommands.getDeclareCommandsPacket(player);
if (declare != null) {
sendPacket(declare);
}
Limbo.getInstance().getEventsManager().callEvent(new PlayerJoinEvent(player));
PacketPlayOutSpawnPosition spawnPos = new PacketPlayOutSpawnPosition(BlockPosition.from(s));
sendPacket(spawnPos);
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()));
sendPacket(positionLook);
player.getDataWatcher().update();
PacketPlayOutEntityMetadata show = new PacketPlayOutEntityMetadata(player, false, Player.class.getDeclaredField("skinLayers"));
sendPacket(show);
ready = true;
while (client_socket.isConnected()) {
try {
try {
int size = DataTypeIO.readVarInt(input);
int packetId = DataTypeIO.readVarInt(input);
Class<? extends Packet> packetType = Packet.getPlayIn().get(packetId);
//Limbo.getInstance().getConsole().sendMessage(packetId + " -> " + packetType);
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));
CheckedConsumer<PlayerMoveEvent, IOException> processMoveEvent = event ->
{
Location originalTo = event.getTo().clone();
if (event.isCancelled()) {
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());
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);
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)) {
PacketPlayInPosition pos = new PacketPlayInPosition(input);
Location from = player.getLocation();
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));
if (event.isCancelled()) {
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);
}
processMoveEvent.consume(event);
} else if (packetType.equals(PacketPlayInRotation.class)) {
PacketPlayInRotation pos = new PacketPlayInRotation(input);
Location from = player.getLocation();
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));
if (event.isCancelled()) {
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);
}
processMoveEvent.consume(event);
} else if (packetType.equals(PacketPlayInKeepAlive.class)) {
PacketPlayInKeepAlive alive = new PacketPlayInKeepAlive(input);
if (alive.getPayload() != getLastKeepAlivePayLoad()) {
@ -430,30 +426,35 @@ public class ClientConnection extends Thread {
} else {
input.skipBytes(size - DataTypeIO.getVarIntLength(packetId));
}
} catch (Exception e) {
break;
}
}
Limbo.getInstance().getEventsManager().callEvent(new PlayerQuitEvent(player));
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();}
try {
client_socket.close();
} catch (IOException e) {}
state = ClientState.DISCONNECTED;
if (player != null) {
Limbo.getInstance().removePlayer(player);
}
Limbo.getInstance().getServerConnection().getClients().remove(this);
running = false;
}
@FunctionalInterface
public interface CheckedConsumer<T, TException extends Throwable> {
void consume(T t) throws TException;
}
}