Paper/patches/server/0901-ensure-reset-EnderDragon-boss-event-name.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Sat, 12 Nov 2022 10:08:58 -0800
Subject: [PATCH] ensure reset EnderDragon boss event name

Fix MC-257487

diff --git a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
index 17b5386d147dc007c487da3561ea5a5d3cd6db22..e2cd77d9de9709aa50f4b6febabe21bfcf94dc5d 100644
--- a/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
+++ b/src/main/java/net/minecraft/world/level/dimension/end/EndDragonFight.java
@@ -69,7 +69,8 @@ public class EndDragonFight {
     private static final int GATEWAY_DISTANCE = 96;
     public static final int DRAGON_SPAWN_Y = 128;
     private final Predicate<Entity> validPlayer;
-    public final ServerBossEvent dragonEvent = (ServerBossEvent)(new ServerBossEvent(Component.translatable("entity.minecraft.ender_dragon"), BossEvent.BossBarColor.PINK, BossEvent.BossBarOverlay.PROGRESS)).setPlayBossMusic(true).setCreateWorldFog(true);
+    private static final Component DEFAULT_BOSS_EVENT_NAME = Component.translatable("entity.minecraft.ender_dragon"); // Paper
+    public final ServerBossEvent dragonEvent = (ServerBossEvent)(new ServerBossEvent(DEFAULT_BOSS_EVENT_NAME, BossEvent.BossBarColor.PINK, BossEvent.BossBarOverlay.PROGRESS)).setPlayBossMusic(true).setCreateWorldFog(true); // Paper
     public final ServerLevel level;
     private final BlockPos origin;
     private final ObjectArrayList<Integer> gateways = new ObjectArrayList<>();
@@ -443,6 +444,10 @@ public class EndDragonFight {
             this.ticksSinceDragonSeen = 0;
             if (dragon.hasCustomName()) {
                 this.dragonEvent.setName(dragon.getDisplayName());
+                // Paper start - reset to default name
+            } else {
+                this.dragonEvent.setName(DEFAULT_BOSS_EVENT_NAME);
+                // Paper end
             }
         }