Paper/patches/server/0290-Add-PlayerConnectionCloseEvent.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sun, 7 Oct 2018 12:05:28 -0700
Subject: [PATCH] Add PlayerConnectionCloseEvent
This event is invoked when a player has disconnected. It is guaranteed that,
if the server is in online-mode, that the provided uuid and username have been
validated.
The event is invoked for players who have not yet logged into the world, whereas
PlayerQuitEvent is only invoked on players who have logged into the world.
The event is invoked for players who have already logged into the world,
although whether or not the player exists in the world at the time of
firing is undefined. (That is, whether the plugin can retrieve a Player object
using the event parameters is undefined). However, it is guaranteed that this
event is invoked AFTER PlayerQuitEvent, if the player has already logged into
the world.
This event is guaranteed to never fire unless AsyncPlayerPreLoginEvent has
been called beforehand, and this event may not be called in parallel with
AsyncPlayerPreLoginEvent for the same connection.
Cancelling the AsyncPlayerPreLoginEvent guarantees the corresponding
PlayerConnectionCloseEvent is never called.
The event may be invoked asynchronously or synchronously. As it stands,
it is never invoked asynchronously. However, plugins should check
Event#isAsynchronous to be future-proof.
On purpose, the deprecated PlayerPreLoginEvent event is left out of the
API spec for this event. Plugins should not be using that event, and
how PlayerPreLoginEvent interacts with PlayerConnectionCloseEvent
is undefined.
== AT ==
public net.minecraft.server.network.ServerLoginPacketListenerImpl$State
public net.minecraft.server.network.ServerLoginPacketListenerImpl state
public net.minecraft.server.network.ServerLoginPacketListenerImpl gameProfile
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diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 6f903ad884db68f654a9f2501e336123699c11a3..e1eea381a2ebcc32424d31c42a45287d2a1cb16a 100644
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--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -490,6 +490,26 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
this.getPacketListener().onDisconnect(Component.translatable("multiplayer.disconnect.generic"));
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}
this.queue.clear(); // Free up packet queue.
+ // Paper start - Add PlayerConnectionCloseEvent
+ final PacketListener packetListener = this.getPacketListener();
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+ if (packetListener instanceof net.minecraft.server.network.ServerGamePacketListenerImpl) {
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+ /* Player was logged in */
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+ final net.minecraft.server.network.ServerGamePacketListenerImpl playerConnection = (net.minecraft.server.network.ServerGamePacketListenerImpl) packetListener;
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+ new com.destroystokyo.paper.event.player.PlayerConnectionCloseEvent(playerConnection.player.getUUID(),
+ playerConnection.player.getScoreboardName(), ((java.net.InetSocketAddress)address).getAddress(), false).callEvent();
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+ } else if (packetListener instanceof net.minecraft.server.network.ServerLoginPacketListenerImpl) {
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+ /* Player is login stage */
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+ final net.minecraft.server.network.ServerLoginPacketListenerImpl loginListener = (net.minecraft.server.network.ServerLoginPacketListenerImpl) packetListener;
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+ switch (loginListener.state) {
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+ case READY_TO_ACCEPT:
+ case DELAY_ACCEPT:
+ case ACCEPTED:
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+ final com.mojang.authlib.GameProfile profile = loginListener.gameProfile; /* Should be non-null at this stage */
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+ new com.destroystokyo.paper.event.player.PlayerConnectionCloseEvent(profile.getId(), profile.getName(),
+ ((java.net.InetSocketAddress)address).getAddress(), false).callEvent();
+ }
+ }
+ // Paper end
}
}