Paper/patches/server/0431-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 134810ac91d828d67759cd1ed56f11b71e292917..ba41646a5edb57c4d9766df08bbc57016e2de189 100644
--- a/src/main/java/net/minecraft/network/Connection.java
+++ b/src/main/java/net/minecraft/network/Connection.java
@@ -167,8 +167,10 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
 
             this.handlingFault = true;
             if (this.channel.isOpen()) {
+                net.minecraft.server.level.ServerPlayer player = this.getPlayer(); // Paper - Add API for quit reason
                 if (throwable instanceof TimeoutException) {
                     Connection.LOGGER.debug("Timeout", throwable);
+                    if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.TIMED_OUT; // Paper - Add API for quit reason
                     this.disconnect((Component) Component.translatable("disconnect.timeout"));
                 } else {
                     MutableComponent ichatmutablecomponent = Component.translatable("disconnect.genericReason", "Internal Exception: " + String.valueOf(throwable));
@@ -181,6 +183,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
                         disconnectiondetails = new DisconnectionDetails(ichatmutablecomponent);
                     }
 
+                    if (player != null) player.quitReason = org.bukkit.event.player.PlayerQuitEvent.QuitReason.ERRONEOUS_STATE; // Paper - Add API for quit reason
                     if (flag) {
                         Connection.LOGGER.debug("Failed to sent packet", throwable);
                         if (this.getSending() == PacketFlow.CLIENTBOUND) {
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 45181bc9c422507682d479e4d43177ecd3253971..2ea613f818403f8e8ece4b36891738139345cf89 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -295,6 +295,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player {
     public boolean isRealPlayer; // Paper
     public com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent playerNaturallySpawnedEvent; // Paper - PlayerNaturallySpawnCreaturesEvent
     public @Nullable String clientBrandName = null; // Paper - Brand support
+    public org.bukkit.event.player.PlayerQuitEvent.QuitReason quitReason = null; // Paper - Add API for quit reason; 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, ClientInformation clientOptions) {
         super(world, world.getSharedSpawnPos(), world.getSharedSpawnAngle(), profile);
diff --git a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
index a3c67bdc2c08b3550534f37d15b0db90b479e34f..24bf661e76fb421a8be565d9ea68edf7205254d2 100644
--- a/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerCommonPacketListenerImpl.java
@@ -371,6 +371,7 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
 
     private void disconnect0(DisconnectionDetails disconnectiondetails) {
         // 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);
         }));
diff --git a/src/main/java/net/minecraft/server/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 9044ed6cba10314c52c44a19be1fa88771c54be6..45e7b41f746ceb2ef295a81fa65795df062844ef 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -570,7 +570,7 @@ public abstract class PlayerList {
             entityplayer.closeContainer(org.bukkit.event.inventory.InventoryCloseEvent.Reason.DISCONNECT); // Paper - Inventory close reason
         }
 
-        PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(entityplayer.getBukkitEntity(), 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()))); // Paper - Adventure
+        PlayerQuitEvent playerQuitEvent = new PlayerQuitEvent(entityplayer.getBukkitEntity(), 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())), entityplayer.quitReason); // Paper - Adventure & Add API for quit reason
         this.cserver.getPluginManager().callEvent(playerQuitEvent);
         entityplayer.getBukkitEntity().disconnect(playerQuitEvent.getQuitMessage());