Paper/Spigot-Server-Patches/0594-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 4008fa73ede97e8efeca81dcdd846ab3a8e9bebf..66e4f23ab19fe162bbbee4d7ea6563e609179d04 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -677,4 +677,12 @@ 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/server/EnderDragonBattle.java b/src/main/java/net/minecraft/server/EnderDragonBattle.java
index 95ecf9dd511836cc2f70173f07234ef8822d6038..38dc6086d18951e065d4048d1d8eee288c5c5fd1 100644
--- a/src/main/java/net/minecraft/server/EnderDragonBattle.java
+++ b/src/main/java/net/minecraft/server/EnderDragonBattle.java
@@ -172,7 +172,7 @@ 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;