Paper/Spigot-Server-Patches/0597-Add-API-for-quit-reason.patch

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/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 59d47a9f75450573b26b82b6f432af7bdc46a783..976c44c8eeecc513fa11de55b80317550f621407 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -127,6 +127,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
     double lastEntitySpawnRadiusSquared; // Paper - optimise isOutsideRange, this field is in blocks
 
     boolean needsChunkCenterUpdate; // Paper - no-tick view distance
+    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 EntityPlayer(MinecraftServer minecraftserver, WorldServer worldserver, GameProfile gameprofile, PlayerInteractManager playerinteractmanager) {
         super(worldserver, worldserver.getSpawn(), worldserver.v(), gameprofile);
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
index 7a84ea4116be070ab878e55b0cd919f3f3688f30..3ec8ba17ddf376aa98e2b74979b2544922712560 100644
--- a/src/main/java/net/minecraft/server/NetworkManager.java
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
@@ -119,12 +119,15 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
 
             this.u = true;
             if (this.channel.isOpen()) {
+                EntityPlayer player = this.getPlayer(); // Paper
                 if (throwable instanceof TimeoutException) {
                     NetworkManager.LOGGER.debug("Timeout", throwable);
+                    if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.TIMED_OUT; // Paper
                     this.close(new ChatMessage("disconnect.timeout"));
                 } else {
                     ChatMessage chatmessage = new ChatMessage("disconnect.genericReason", new Object[]{"Internal Exception: " + throwable});
 
+                    if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.ERRONEOUS_STATE; // Paper
                     if (flag) {
                         NetworkManager.LOGGER.debug("Failed to sent packet", throwable);
                         this.sendPacket(new PacketPlayOutKickDisconnect(chatmessage), (future) -> {
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 563ae7355f4f4645d21f2fbd494a5b5656c5e664..a736d676ef5e3a25c144743af559bfb46e294db7 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -300,6 +300,7 @@ public class PlayerConnection implements PacketListenerPlayIn {
         final IChatBaseComponent ichatbasecomponent = CraftChatMessage.fromString(s, true)[0];
         // CraftBukkit end
 
+        this.player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.KICKED; // Paper
         this.networkManager.sendPacket(new PacketPlayOutKickDisconnect(ichatbasecomponent), (future) -> {
             this.networkManager.close(ichatbasecomponent);
         });
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index dc3df171a6eb11f13272303951fb59a14d7df202..a86a4467a0d0ff44f19d62b436aee469cc7b1e0e 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -509,7 +509,7 @@ public abstract class PlayerList {
             entityplayer.closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DISCONNECT); // Paper
         }
 
-        PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(cserver.getPlayer(entityplayer), "\u00A7e" + entityplayer.getName() + " left the game");
+        PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(cserver.getPlayer(entityplayer), "\u00A7e" + entityplayer.getName() + " left the game", entityplayer.quitReason); // Paper - quit reason
         if (entityplayer.didPlayerJoinEvent) cserver.getPluginManager().callEvent(playerQuitEvent); // Paper - if we disconnected before join ever fired, don't fire quit
         entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());