Paper/patches/server-unmapped/0591-Toggle-for-removing-existing-dragon.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Wed, 30 Sep 2020 22:49:14 +0200
Subject: [PATCH] Toggle for removing existing dragon


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 02bb85364560784adea47c877c13291c3d016b86..424754a0183b071d20c86f0420cec784a8992e2b 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -683,4 +683,12 @@ public class PaperWorldConfig {
             log("Using vanilla redstone algorithm.");
         }
     }
+
+    public boolean shouldRemoveDragon = false;
+    private void shouldRemoveDragon() {
+        shouldRemoveDragon = getBoolean("should-remove-dragon", shouldRemoveDragon);
+        if (shouldRemoveDragon) {
+            log("The Ender Dragon will be removed if she already exists without a portal.");
+        }
+    }
 }
diff --git a/src/main/java/net/minecraft/world/level/dimension/end/EnderDragonBattle.java b/src/main/java/net/minecraft/world/level/dimension/end/EnderDragonBattle.java
index c6283489dcb6e13f0d618971614aeadaee2e3007..c0a6b340810b8ea4f454290b1ac22316ff0e6e22 100644
--- a/src/main/java/net/minecraft/world/level/dimension/end/EnderDragonBattle.java
+++ b/src/main/java/net/minecraft/world/level/dimension/end/EnderDragonBattle.java
@@ -214,7 +214,7 @@ public class EnderDragonBattle {
             this.dragonUUID = entityenderdragon.getUniqueID();
             EnderDragonBattle.LOGGER.info("Found that there's a dragon still alive ({})", entityenderdragon);
             this.dragonKilled = false;
-            if (!flag) {
+            if (!flag && this.world.paperConfig.shouldRemoveDragon) { // Paper
                 EnderDragonBattle.LOGGER.info("But we didn't have a portal, let's remove it.");
                 entityenderdragon.die();
                 this.dragonUUID = null;