From 8223ffb3d66d1778fa4cfb08af6aab35f5784e8a Mon Sep 17 00:00:00 2001
From: BillyGalbreath <Blake.Galbreath@GMail.com>
Date: Fri, 22 Jun 2018 10:38:31 -0500
Subject: [PATCH] Add config to disable ender dragon legacy check


diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 08e8062c93..e806cc1671 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -423,4 +423,9 @@ public class PaperWorldConfig {
     private void shieldBlockingDelay() {
         shieldBlockingDelay = getInt("game-mechanics.shield-blocking-delay", 5);
     }
+
+    public boolean scanForLegacyEnderDragon = true;
+    private void scanForLegacyEnderDragon() {
+        scanForLegacyEnderDragon = getBoolean("game-mechanics.scan-for-legacy-ender-dragon", true);
+    }
 }
diff --git a/src/main/java/net/minecraft/server/EnderDragonBattle.java b/src/main/java/net/minecraft/server/EnderDragonBattle.java
index 96e920ead8..e083ea483a 100644
--- a/src/main/java/net/minecraft/server/EnderDragonBattle.java
+++ b/src/main/java/net/minecraft/server/EnderDragonBattle.java
@@ -27,16 +27,21 @@ public class EnderDragonBattle {
     private int h;
     private int i;
     private int j;
+    private void setDragonKilled(boolean dragonKilled) { this.k = dragonKilled; } // Paper - OBFHELPER
     private boolean k;
     private boolean l;
     private UUID m;
-    private boolean n = true;
+    private boolean n = true; private void setScanForLegacyFight(boolean scanForLegacyFight) { this.n = scanForLegacyFight; } private boolean scanForLegacyFight() { return this.n; } // Paper - OBFHELPER
     private BlockPosition o;
     private EnumDragonRespawn p;
     private int q;
     private List<EntityEnderCrystal> r;
 
     public EnderDragonBattle(WorldServer worldserver, NBTTagCompound nbttagcompound) {
+        // Paper start
+        setScanForLegacyFight(worldserver.paperConfig.scanForLegacyEnderDragon);
+        if (!scanForLegacyFight()) setDragonKilled(true);
+        // Paper end
         this.d = worldserver;
         if (nbttagcompound.hasKeyOfType("DragonKilled", 99)) {
             if (nbttagcompound.b("DragonUUID")) {
@@ -286,14 +291,14 @@ public class EnderDragonBattle {
     }
 
     private void k() {
-        HashSet hashset = Sets.newHashSet();
+        HashSet<EntityPlayer> hashset = Sets.newHashSet(); // Paper - decompile fix
 
         for(EntityPlayer entityplayer : this.d.b(EntityPlayer.class, b)) {
             this.c.addPlayer(entityplayer);
             hashset.add(entityplayer);
         }
 
-        HashSet hashset1 = Sets.newHashSet(this.c.getPlayers());
+        HashSet<EntityPlayer> hashset1 = Sets.newHashSet(this.c.getPlayers()); // Paper - decompile fix
         hashset1.removeAll(hashset);
 
         for(EntityPlayer entityplayer1 : hashset1) {
-- 
2.19.0