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Merge pull request #11 from drunderscore/master 

Reduce code duplication, tell client about new position if an event handler used setTo
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LOOHP 2021-02-22 22:23:37 +08:00 committed by GitHub
parent 48cd3a8b9a 00af9afe43
commit aa47af1b6f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 47 additions and 46 deletions
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55
src/main/java/com/loohp/limbo/Server/ClientConnection.java
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@ -354,6 +354,26 @@ public class ClientConnection extends Thread {
int packetId = DataTypeIO.readVarInt(input);
Class<? extends Packet> packetType = Packet.getPlayIn().get(packetId);
//Limbo.getInstance().getConsole().sendMessage(packetId + " -> " + packetType);
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 {
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)) {
@ -362,45 +382,21 @@ public class ClientConnection extends Thread {
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()) {
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(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()) {
@ -456,4 +452,9 @@ public class ClientConnection extends Thread {
Limbo.getInstance().getServerConnection().getClients().remove(this);
running = false;
}
@FunctionalInterface
public interface CheckedConsumer<T, TException extends Throwable> {
void consume(T t) throws TException;
}
}