PaperMC/patches/server/0569-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 ce23e2058feea0583b58b56eb776f9eaf4c46fac..a2dd1e423b97de27b9825dddb1705538982417b3 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -289,7 +289,6 @@ public class ServerPlayer extends net.minecraft.world.entity.player.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 feb529adf2168025c785ab92d95a3246e73c0236..b43f87ff4b9853b5d4bbea5ff9686d64d9d0d26b 100644
--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -110,6 +110,11 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
 
     @Override
     public void onDisconnect(DisconnectionDetails info) {
+        // Paper start - Fix kick event leave message not being sent
+        this.onDisconnect(info, null);
+    }
+    public void onDisconnect(DisconnectionDetails info, @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);
@@ -374,18 +379,17 @@ 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
-        this.disconnect0(new DisconnectionDetails(io.papermc.paper.adventure.PaperAdventure.asVanilla(event.reason()), disconnectionInfo.report(), disconnectionInfo.bugReportLink())); // Paper - Adventure
+        this.disconnect0(new DisconnectionDetails(io.papermc.paper.adventure.PaperAdventure.asVanilla(event.reason()), disconnectionInfo.report(), disconnectionInfo.bugReportLink()), event.leaveMessage()); // Paper - Adventure & use kick event leave message
     }
 
-    private void disconnect0(DisconnectionDetails disconnectiondetails) {
+    private void disconnect0(DisconnectionDetails disconnectiondetails, @Nullable net.kyori.adventure.text.Component leaveMessage) { // Paper - use kick event leave message
         // CraftBukkit end
         this.player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.KICKED; // Paper - Add API for quit reason
         this.connection.send(new ClientboundDisconnectPacket(disconnectiondetails.reason()), PacketSendListener.thenRun(() -> {
             this.connection.disconnect(disconnectiondetails);
         }));
-        this.onDisconnect(disconnectiondetails); // CraftBukkit - fire quit instantly
+        this.onDisconnect(disconnectiondetails, 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 d4917f507b5602bd1cc5e0cc6dc1ca166888f21e..63830e8dd1a91836b8b6830f0f5758e5d0e9956f 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1895,6 +1895,12 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
     @Override
     public void onDisconnect(DisconnectionDetails info) {
+        // Paper start - Fix kick event leave message not being sent
+        this.onDisconnect(info, null);
+    }
+    @Override
+    public void onDisconnect(DisconnectionDetails info, @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;
@@ -1903,11 +1909,17 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
         }
         // CraftBukkit end
         ServerGamePacketListenerImpl.LOGGER.info("{} lost connection: {}", this.player.getName().getString(), info.reason().getString());
-        this.removePlayerFromWorld();
-        super.onDisconnect(info);
+        this.removePlayerFromWorld(quitMessage); // Paper - Fix kick event leave message not being sent
+        super.onDisconnect(info, 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.
         /*
@@ -1917,7 +1929,7 @@ 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 51f723ef7362ff3eb1bb58f2a75acd12928fabac..ab0b33de277c90404a24b842d7d17124895d6d4e 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -561,6 +561,11 @@ 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);