From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sat, 14 Nov 2020 16:19:52 +0100
Subject: [PATCH] Add API for quit reason


diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index d30bc3f1da336b421d9a42070184e07169dd14e4..a6eadf71957b37e2acc5d09f0ce4ee961810891f 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -142,12 +142,15 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
 
             this.handlingFault = true;
             if (this.channel.isOpen()) {
+                net.minecraft.server.level.ServerPlayer player = this.getPlayer(); // Paper
                 if (throwable instanceof TimeoutException) {
                     Connection.LOGGER.debug("Timeout", throwable);
+                    if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.TIMED_OUT; // Paper
                     this.disconnect(new TranslatableComponent("disconnect.timeout"));
                 } else {
                     TranslatableComponent chatmessage = new TranslatableComponent("disconnect.genericReason", new Object[]{"Internal Exception: " + throwable});
 
+                    if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.ERRONEOUS_STATE; // Paper
                     if (flag) {
                         Connection.LOGGER.debug("Failed to sent packet", throwable);
                         ConnectionProtocol enumprotocol = this.getCurrentProtocol();
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 84f78e2b3bf51eae1d486852464df032861c5a0b..a32551253f12bd6f4a9008dd5d99fece6464effe 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -256,6 +256,7 @@ public class ServerPlayer extends Player {
 
     public double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
     public final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleHashSet; // Paper
+    public org.bukkit.event.player.PlayerQuitEvent.QuitReason quitReason = null; // Paper - there are a lot of changes to do if we change all methods leading to the event
 
     public ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile) {
         super(world, world.getSharedSpawnPos(), world.getSharedSpawnAngle(), profile);
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index 2dd47eab63cf9322a5844e748709e220272a8cfe..c0a685cfe62aeda3583763ecc1e4fa127f8fb0d4 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -442,6 +442,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
         final Component ichatbasecomponent = PaperAdventure.asVanilla(event.reason()); // Paper - Adventure
         // CraftBukkit end
 
+        this.player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.KICKED; // Paper
         this.connection.send(new ClientboundDisconnectPacket(ichatbasecomponent), (future) -> {
             this.connection.disconnect(ichatbasecomponent);
         });
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 310bed27c04ef812aa8607c9dca789db13341d25..6aaa5174bb0eff3216667b4c8d3912d02e1c66e2 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -595,7 +595,7 @@ public abstract class PlayerList {
             entityplayer.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DISCONNECT); // Paper
         }
 
-        PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(entityplayer.getBukkitEntity(), net.kyori.adventure.text.Component.translatable("multiplayer.player.left", net.kyori.adventure.text.format.NamedTextColor.YELLOW, com.destroystokyo.paper.PaperConfig.useDisplayNameInQuit ? entityplayer.getBukkitEntity().displayName() : net.kyori.adventure.text.Component.text(entityplayer.getScoreboardName())));
+        PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(entityplayer.getBukkitEntity(), net.kyori.adventure.text.Component.translatable("multiplayer.player.left", net.kyori.adventure.text.format.NamedTextColor.YELLOW, com.destroystokyo.paper.PaperConfig.useDisplayNameInQuit ? entityplayer.getBukkitEntity().displayName() : net.kyori.adventure.text.Component.text(entityplayer.getScoreboardName())), entityplayer.quitReason); // Paper - quit reason
         if (entityplayer.didPlayerJoinEvent) this.cserver.getPluginManager().callEvent(playerQuitEvent); // Paper - if we disconnected before join ever fired, don't fire quit
         entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());