Paper/Spigot-Server-Patches/0545-Fix-enderdragon-exp-dupe.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 12 Jun 2020 22:25:11 -0700
Subject: [PATCH] Fix enderdragon exp dupe

Properly track death stage when unloading/loading in the
dragon

diff --git a/src/main/java/net/minecraft/server/EntityEnderDragon.java b/src/main/java/net/minecraft/server/EntityEnderDragon.java
index aecdaacfc7da560759bc513680d76f55820d5046..7daebfdab5c6e258d3e426643c0dbd374774ff5d 100644
--- a/src/main/java/net/minecraft/server/EntityEnderDragon.java
+++ b/src/main/java/net/minecraft/server/EntityEnderDragon.java
@@ -33,7 +33,7 @@ public class EntityEnderDragon extends EntityInsentient implements IMonster {
     public float bx;
     public float by;
     public boolean bz;
-    public int bA;
+    public int bA; public final int getDeathTicks() { return this.bA; } public final void setDeathTicks(final int value) { this.bA = value; } // Paper
     public float bB;
     @Nullable
     public EntityEnderCrystal currentEnderCrystal;
@@ -833,6 +833,7 @@ public class EntityEnderDragon extends EntityInsentient implements IMonster {
     public void b(NBTTagCompound nbttagcompound) {
         super.b(nbttagcompound);
         nbttagcompound.setInt("DragonPhase", this.bO.a().getControllerPhase().b());
+        nbttagcompound.setInt("Paper.DeathTick", this.getDeathTicks()); // Paper
     }
 
     @Override
@@ -841,6 +842,7 @@ public class EntityEnderDragon extends EntityInsentient implements IMonster {
         if (nbttagcompound.hasKey("DragonPhase")) {
             this.bO.setControllerPhase(DragonControllerPhase.getById(nbttagcompound.getInt("DragonPhase")));
         }
+        this.setDeathTicks(nbttagcompound.getInt("Paper.DeathTick")); // Paper
 
     }