PaperMC/patches/server/0584-Fix-kick-event-leave-message-not-being-sent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 7 Jul 2021 16:19:41 -0700
Subject: [PATCH] Fix kick event leave message not being sent


diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index a9130dd3097c31d91baaf1405a369881393d42d5..fccc62d601680f7ed2765bb331667baf82e75a26 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -284,7 +284,6 @@ public class ServerPlayer extends Player {
     public boolean joining = true;
     public boolean sentListPacket = false;
     public boolean supressTrackerForLogin = false; // Paper - Fire PlayerJoinEvent when Player is actually ready
-    public String kickLeaveMessage = null; // SPIGOT-3034: Forward leave message to PlayerQuitEvent
     // CraftBukkit end
     public boolean isRealPlayer; // Paper
     public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
index b9767aff520d32d4615e3cb9e24a294553c70b97..86af1b4b860a144462d856b4ef1702f7b811e4de 100644
--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -98,6 +98,11 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
 
     @Override
     public void onDisconnect(Component reason) {
+        // Paper start - Fix kick event leave message not being sent
+        this.onDisconnect(reason, null);
+    }
+    public void onDisconnect(Component reason, @Nullable net.kyori.adventure.text.Component quitMessage) {
+        // Paper end - Fix kick event leave message not being sent
         if (this.isSingleplayerOwner()) {
             ServerCommonPacketListenerImpl.LOGGER.info("Stopping singleplayer server as player logged out");
             this.server.halt(false);
@@ -365,7 +370,6 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
             // Do not kick the player
             return;
         }
-        this.player.kickLeaveMessage = event.getLeaveMessage(); // CraftBukkit - SPIGOT-3034: Forward leave message to PlayerQuitEvent
         // Send the possibly modified leave message
         final Component ichatbasecomponent = io.papermc.paper.adventure.PaperAdventure.asVanilla(event.reason()); // Paper - Adventure
         // CraftBukkit end
@@ -374,7 +378,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
         this.connection.send(new ClientboundDisconnectPacket(ichatbasecomponent), PacketSendListener.thenRun(() -> {
             this.connection.disconnect(ichatbasecomponent);
         }));
-        this.onDisconnect(ichatbasecomponent); // CraftBukkit - fire quit instantly
+        this.onDisconnect(ichatbasecomponent, event.leaveMessage()); // CraftBukkit - fire quit instantly // Paper - use kick event leave message
         this.connection.setReadOnly();
         MinecraftServer minecraftserver = this.server;
         Connection networkmanager = this.connection;
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 779a9d409323445c373a9f07b83de0f386ae82cc..e1945778de55a75d483c890b2a59276e55a2a0f9 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1884,6 +1884,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
     @Override
     public void onDisconnect(Component reason) {
+        // Paper start - Fix kick event leave message not being sent
+        this.onDisconnect(reason, null);
+    }
+    @Override
+    public void onDisconnect(Component reason, @Nullable net.kyori.adventure.text.Component quitMessage) {
+        // Paper end - Fix kick event leave message not being sent
         // CraftBukkit start - Rarely it would send a disconnect line twice
         if (this.processedDisconnect) {
             return;
@@ -1892,11 +1898,17 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
         }
         // CraftBukkit end
         ServerGamePacketListenerImpl.LOGGER.info("{} lost connection: {}", this.player.getName().getString(), reason.getString());
-        this.removePlayerFromWorld();
-        super.onDisconnect(reason);
+        this.removePlayerFromWorld(quitMessage); // Paper - Fix kick event leave message not being sent
+        super.onDisconnect(reason, quitMessage); // Paper - Fix kick event leave message not being sent
     }
 
+    // Paper start - Fix kick event leave message not being sent
     private void removePlayerFromWorld() {
+        this.removePlayerFromWorld(null);
+    }
+
+    private void removePlayerFromWorld(@Nullable net.kyori.adventure.text.Component quitMessage) {
+        // Paper end - Fix kick event leave message not being sent
         this.chatMessageChain.close();
         // CraftBukkit start - Replace vanilla quit message handling with our own.
         /*
@@ -1906,7 +1918,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
         this.player.disconnect();
         // Paper start - Adventure
-        net.kyori.adventure.text.Component quitMessage = this.server.getPlayerList().remove(this.player);
+        quitMessage = quitMessage == null ? this.server.getPlayerList().remove(this.player) : this.server.getPlayerList().remove(this.player, quitMessage); // Paper - pass in quitMessage to fix kick message not being used
         if ((quitMessage != null) && !quitMessage.equals(net.kyori.adventure.text.Component.empty())) {
             this.server.getPlayerList().broadcastSystemMessage(PaperAdventure.asVanilla(quitMessage), false);
             // Paper end
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 4d32c917c3a5455e4ba028fef49ec483bd5b0ad8..6cc5bca80cdf1f70c5599026483625ef6c1b2bd9 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -567,6 +567,11 @@ public abstract class PlayerList {
     }
 
     public net.kyori.adventure.text.Component remove(ServerPlayer entityplayer) { // CraftBukkit - return string // Paper - return Component
+        // Paper start - Fix kick event leave message not being sent
+        return this.remove(entityplayer, net.kyori.adventure.text.Component.translatable("multiplayer.player.left", net.kyori.adventure.text.format.NamedTextColor.YELLOW, io.papermc.paper.configuration.GlobalConfiguration.get().messages.useDisplayNameInQuitMessage ? entityplayer.getBukkitEntity().displayName() : io.papermc.paper.adventure.PaperAdventure.asAdventure(entityplayer.getDisplayName())));
+    }
+    public net.kyori.adventure.text.Component remove(ServerPlayer entityplayer, net.kyori.adventure.text.Component leaveMessage) {
+        // Paper end - Fix kick event leave message not being sent
         ServerLevel worldserver = entityplayer.serverLevel();
 
         entityplayer.awardStat(Stats.LEAVE_GAME);