From 9e75b3f1f4d2c1aff58b26be43037c1f1d326b59 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 21 Mar 2018 20:52:07 -0400
Subject: [PATCH] Fix Dragon Server Crashes
If the dragon tries to find "ground" and hits a hole, or off edge,
it will infinitely keep looking for non air and eventually crash.
diff --git a/src/main/java/net/minecraft/server/DragonControllerLandedFlame.java b/src/main/java/net/minecraft/server/DragonControllerLandedFlame.java
index c42de9771e..40a8beff55 100644
--- a/src/main/java/net/minecraft/server/DragonControllerLandedFlame.java
+++ b/src/main/java/net/minecraft/server/DragonControllerLandedFlame.java
@@ -54,7 +54,7 @@ public class DragonControllerLandedFlame extends AbstractDragonControllerLanded
double d3 = d2;
BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition(d0, d2, d1);
- while (this.a.world.isEmpty(blockposition_mutableblockposition)) {
+ while (this.a.world.isEmpty(blockposition_mutableblockposition ) && d2 > 0) { // Paper
--d3;
if (d3 < 0.0D) {
d3 = d2;
--
2.25.1