From 383a42b10e28e543f3e36282d70a5bec1488ffc7 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 10 Mar 2018 16:33:15 -0500
Subject: [PATCH] Prevent Frosted Ice from loading/holding chunks


diff --git a/src/main/java/net/minecraft/server/BlockIceFrost.java b/src/main/java/net/minecraft/server/BlockIceFrost.java
index 302d420512..c97937e810 100644
--- a/src/main/java/net/minecraft/server/BlockIceFrost.java
+++ b/src/main/java/net/minecraft/server/BlockIceFrost.java
@@ -25,6 +25,12 @@ public class BlockIceFrost extends BlockIce {
                     EnumDirection enumdirection = aenumdirection[j];
 
                     blockposition_b.j(blockposition).d(enumdirection);
+
+                    // Paper start - Prevent Frosted Ice from loading/holding chunks
+                    if (!world.isChunkLoaded(blockposition_b.getX() >> 4, blockposition_b.getZ() >> 4, true))
+                        continue;
+                    // Paper end - Prevent Frosted Ice from loading/holding chunks
+
                     IBlockData iblockdata1 = world.getType(blockposition_b);
 
                     if (iblockdata1.getBlock() == this && !this.c(iblockdata1, world, blockposition_b)) {
@@ -87,6 +93,10 @@ public class BlockIceFrost extends BlockIce {
                 EnumDirection enumdirection = aenumdirection[l];
 
                 blockposition_b.j(blockposition).d(enumdirection);
+                // Paper start - Prevent Frosted Ice from loading/holding chunks
+                if (!((World) iblockaccess).isChunkLoaded(blockposition_b.getX() >> 4, blockposition_b.getZ() >> 4, true))
+                    continue;
+                // Paper end - Prevent Frosted Ice from loading/holding chunks
                 if (iblockaccess.getType(blockposition_b).getBlock() == this) {
                     ++j;
                     if (j >= i) {
-- 
2.18.0