PaperMC/Spigot-Server-Patches/0236-Prevent-Frosted-Ice-from-loading-holding-chunks.patch

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From 0337ec68f7397efe5c6599cb488ae42952f290a8 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 7bea86f52b..ea3a6f2fb1 100644
--- a/src/main/java/net/minecraft/server/BlockIceFrost.java
+++ b/src/main/java/net/minecraft/server/BlockIceFrost.java
@@ -16,7 +16,8 @@ public class BlockIceFrost extends BlockIce {
try (BlockPosition.b blockposition$b = BlockPosition.b.r()) {
for(EnumDirection enumdirection : EnumDirection.values()) {
blockposition$b.j(blockposition).d(enumdirection);
- IBlockData iblockdata1 = world.getType(blockposition$b);
+ IBlockData iblockdata1 = world.getTypeIfLoaded(blockposition$b); // Paper - don't load chunks
+ if (iblockdata1 == null) continue; // Paper
if (iblockdata1.getBlock() == this && !this.c(iblockdata1, world, blockposition$b)) {
world.J().a(blockposition$b, this, MathHelper.nextInt(random, world.paperConfig.frostedIceDelayMin, world.paperConfig.frostedIceDelayMax)); // Paper - use configurable min/max delay
}
@@ -53,7 +54,7 @@ public class BlockIceFrost extends BlockIce {
try (BlockPosition.b blockposition$b = BlockPosition.b.r()) {
for(EnumDirection enumdirection : EnumDirection.values()) {
blockposition$b.j(blockposition).d(enumdirection);
- if (iblockaccess.getType(blockposition$b).getBlock() == this) {
+ if (((World) iblockaccess).getBlockIfLoaded(blockposition$b) == this) { // Paper - don't load chunks
++j;
if (j >= i) {
boolean flag = false;
--
2.19.0