Paper/Spigot-Server-Patches/0090-Prevent-Fire-from-loading-chunks-wrongly-spread.patch
jmp 1718f61bf8 Updated Upstream (CraftBukkit/Spigot)
Doesn't compile yet.

CraftBukkit Changes:
90d6905b Repackage NMS
69cf961d Repackage patches

Spigot Changes:
79d53c28 Repackage NMS
2021-03-18 18:03:22 +01:00

83 lines
4.1 KiB
Diff

From 0000000000000000000000000000000000000000 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 & wrongly spread
This causes the nether to spam unload/reload chunks, plus overall
bad behavior.
This also stops fire from spreading to illegal locations.
diff --git a/src/main/java/net/minecraft/world/level/block/BlockFire.java b/src/main/java/net/minecraft/world/level/block/BlockFire.java
index ee5400fd3e493e1f0518a9e47ddbc997e7a0fb92..c22fad0038fdb0769e23db782e3341206fbd80f9 100644
--- a/src/main/java/net/minecraft/world/level/block/BlockFire.java
+++ b/src/main/java/net/minecraft/world/level/block/BlockFire.java
@@ -135,7 +135,7 @@ public class BlockFire extends BlockFireAbstract {
BlockStateBoolean blockstateboolean = (BlockStateBoolean) BlockFire.h.get(enumdirection);
if (blockstateboolean != null) {
- iblockdata1 = (IBlockData) iblockdata1.set(blockstateboolean, this.e(iblockaccess.getType(blockposition.shift(enumdirection))));
+ iblockdata1 = (IBlockData) iblockdata1.set(blockstateboolean, this.e(iblockaccess.getTypeIfLoaded(blockposition.shift(enumdirection)))); // Paper - prevent chunk loads
}
}
@@ -215,6 +215,7 @@ public class BlockFire extends BlockFireAbstract {
}
blockposition_mutableblockposition.a((BaseBlockPosition) blockposition, l, j1, i1);
+ if (blockposition_mutableblockposition.isInvalidYLocation() || !worldserver.isLoaded(blockposition_mutableblockposition)) continue; // Paper
int l1 = this.a((IWorldReader) worldserver, (BlockPosition) blockposition_mutableblockposition);
if (l1 > 0) {
@@ -260,10 +261,16 @@ public class BlockFire extends BlockFireAbstract {
}
private void trySpread(World world, BlockPosition blockposition, int i, Random random, int j, BlockPosition sourceposition) { // CraftBukkit add sourceposition
- int k = this.getBurnChance(world.getType(blockposition));
+ // Paper start
+ final IBlockData iblockdata = world.getTypeIfLoaded(blockposition);
+ if (iblockdata == null) {
+ return;
+ }
+ int k = this.getBurnChance(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());
@@ -309,7 +316,7 @@ public class BlockFire extends BlockFireAbstract {
for (int j = 0; j < i; ++j) {
EnumDirection enumdirection = aenumdirection[j];
- if (this.e(iblockaccess.getType(blockposition.shift(enumdirection)))) {
+ if (this.e(iblockaccess.getTypeIfLoaded(blockposition.shift(enumdirection)))) { // Paper - prevent chunk loads
return true;
}
}
@@ -327,7 +334,12 @@ public class BlockFire extends BlockFireAbstract {
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.getFlameChance(iblockdata), i);
}
@@ -338,7 +350,7 @@ public class BlockFire extends BlockFireAbstract {
@Override
protected boolean e(IBlockData iblockdata) {
- return this.getFlameChance(iblockdata) > 0;
+ return iblockdata != null && this.getFlameChance(iblockdata) > 0; // Paper - iblockdata can be nullable if chunk is unloaded now
}
@Override