patches/server/0419-Reset-Ender-Crystals-on-Dragon-Spawn.patch


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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 1 Jun 2016 23:29:17 -0400
Subject: [PATCH] Reset Ender Crystals on Dragon Spawn

Crystals can end up in a bad state in certain conditions which causes
an exception on the expected number of crystals going negative.

This ensures the crystals/pillars are in expected state when the dragon spawns.

See #3522

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 6f9c78b124a33212125e98905efc8a09a1891500..79b63082e849f29244352b9d0d6ac9b7df7813f6 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
@@ -472,6 +472,7 @@ public class EndDragonFight {
             entityenderdragon.moveTo((double) this.origin.getX(), (double) (128 + this.origin.getY()), (double) this.origin.getZ(), this.level.random.nextFloat() * 360.0F, 0.0F);
             this.level.addFreshEntity(entityenderdragon);
             this.dragonUUID = entityenderdragon.getUUID();
+            this.resetSpikeCrystals(); // Paper - Reset ender crystals on dragon spawn
         }
 
         return entityenderdragon;