PaperMC/Spigot-Server-Patches/0092-Prevent-Fire-from-loading-chunks.patch
Aikar 0a4286cc42
Prevent Fire from loading chunks
Had my server die from this twice already as it can cause a chain reaction.
2020-04-17 00:29:53 -04:00

84 lines
3.7 KiB
Diff

From 6dc2a1dac812d060e40cac3d4230e69657431ce6 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 17 Apr 2016 17:27:09 -0400
Subject: [PATCH] Prevent Fire from loading chunks
This causes the nether to spam unload/reload chunks, plus overall
bad behavior.
diff --git a/src/main/java/net/minecraft/server/BlockFire.java b/src/main/java/net/minecraft/server/BlockFire.java
index 2909f78f8..d32857c87 100644
--- a/src/main/java/net/minecraft/server/BlockFire.java
+++ b/src/main/java/net/minecraft/server/BlockFire.java
@@ -78,7 +78,7 @@ public class BlockFire extends Block {
BlockStateBoolean blockstateboolean = (BlockStateBoolean) BlockFire.g.get(enumdirection);
if (blockstateboolean != null) {
- iblockdata1 = (IBlockData) iblockdata1.set(blockstateboolean, this.h(iblockaccess.getType(blockposition.shift(enumdirection))));
+ iblockdata1 = (IBlockData) iblockdata1.set(blockstateboolean, this.h(iblockaccess.getTypeIfLoaded(blockposition.shift(enumdirection)))); // Paper - prevent chunk loads
}
}
@@ -163,6 +163,7 @@ public class BlockFire extends Block {
}
blockposition_mutableblockposition.g(blockposition).e(l, j1, i1);
+ if (!worldserver.isLoaded(blockposition_mutableblockposition)) continue; // Paper
int l1 = this.a((IWorldReader) worldserver, (BlockPosition) blockposition_mutableblockposition);
if (l1 > 0) {
@@ -208,10 +209,16 @@ public class BlockFire extends Block {
}
private void a(World world, BlockPosition blockposition, int i, Random random, int j, BlockPosition sourceposition) { // CraftBukkit add sourceposition
- int k = this.i(world.getType(blockposition));
+ // Paper start
+ final IBlockData iblockdata = world.getTypeIfLoaded(blockposition);
+ if (iblockdata == null) {
+ return;
+ }
+ int k = this.i(iblockdata);
+ // Paper end
if (random.nextInt(i) < k) {
- IBlockData iblockdata = world.getType(blockposition);
+ //IBlockData iblockdata = world.getType(blockposition); // Paper
// CraftBukkit start
org.bukkit.block.Block theBlock = world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
@@ -251,7 +258,7 @@ public class BlockFire extends Block {
for (int j = 0; j < i; ++j) {
EnumDirection enumdirection = aenumdirection[j];
- if (this.h(iblockaccess.getType(blockposition.shift(enumdirection)))) {
+ if (this.h(iblockaccess.getTypeIfLoaded(blockposition.shift(enumdirection)))) { // Paper - prevent chunk loads
return true;
}
}
@@ -269,8 +276,12 @@ public class BlockFire extends Block {
for (int k = 0; k < j; ++k) {
EnumDirection enumdirection = aenumdirection[k];
- IBlockData iblockdata = iworldreader.getType(blockposition.shift(enumdirection));
-
+ // Paper start
+ IBlockData iblockdata = iworldreader.getTypeIfLoaded(blockposition.shift(enumdirection));
+ if (iblockdata == null) {
+ continue;
+ }
+ // Paper end
i = Math.max(this.r(iblockdata), i);
}
@@ -279,7 +290,7 @@ public class BlockFire extends Block {
}
public boolean h(IBlockData iblockdata) {
- return this.r(iblockdata) > 0;
+ return iblockdata != null && this.r(iblockdata) > 0; // Paper - iblockdata can be nullable if chunk is unloaded now
}
@Override
--
2.25.1