PaperMC/Remapped-Spigot-Server-Patches/0595-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/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
index 6f7cbce5a049d87d4a0ed7cc4517cb4e8694efb5..3ba9c38fc44a8edba9b504112a383249052a0035 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -137,12 +137,15 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
 
             this.handlingFault = true;
             if (this.channel.isOpen()) {
+                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);
                         this.send(new ClientboundDisconnectPacket(chatmessage), (future) -> {
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index bd4d4ace35e966e819aa461d3962fe06ff402be7..1b5f24920c46cd238a79f5a2857d26fa1c12b983 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -258,6 +258,7 @@ public class ServerPlayer extends Player implements ContainerListener {
     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 ServerPlayer(MinecraftServer server, ServerLevel world, GameProfile profile, ServerPlayerGameMode interactionManager) {
         super(world, world.getSpawn(), 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 3a114bec14fcc6c1e1045e2b99178a6adb25f387..ccfe5a1ec1e9895f7462b7c676fee80903502a88 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -447,6 +447,7 @@ public class ServerGamePacketListenerImpl implements ServerGamePacketListener {
         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 7e44c911f4abc5c7d0e89513bf2cfc3516f13492..cda21726f4929b03191e912550d4e4b1232b3b0b 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -586,7 +586,7 @@ public abstract class PlayerList {
             entityplayer.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DISCONNECT); // Paper
         }
 
-        PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(cserver.getPlayer(entityplayer), 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(cserver.getPlayer(entityplayer), 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) cserver.getPluginManager().callEvent(playerQuitEvent); // Paper - if we disconnected before join ever fired, don't fire quit
         entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());