83 lines
4.1 KiB
Diff
83 lines
4.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 17 Apr 2016 17:27:09 -0400
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Subject: [PATCH] Prevent Fire from loading chunks & wrongly spread
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This causes the nether to spam unload/reload chunks, plus overall
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bad behavior.
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This also stops fire from spreading to illegal locations.
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diff --git a/src/main/java/net/minecraft/world/level/block/BlockFire.java b/src/main/java/net/minecraft/world/level/block/BlockFire.java
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index ee5400fd3e493e1f0518a9e47ddbc997e7a0fb92..c22fad0038fdb0769e23db782e3341206fbd80f9 100644
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--- a/src/main/java/net/minecraft/world/level/block/BlockFire.java
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+++ b/src/main/java/net/minecraft/world/level/block/BlockFire.java
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@@ -135,7 +135,7 @@ public class BlockFire extends BlockFireAbstract {
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BlockStateBoolean blockstateboolean = (BlockStateBoolean) BlockFire.h.get(enumdirection);
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if (blockstateboolean != null) {
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- iblockdata1 = (IBlockData) iblockdata1.set(blockstateboolean, this.e(iblockaccess.getType(blockposition.shift(enumdirection))));
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+ iblockdata1 = (IBlockData) iblockdata1.set(blockstateboolean, this.e(iblockaccess.getTypeIfLoaded(blockposition.shift(enumdirection)))); // Paper - prevent chunk loads
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}
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}
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@@ -215,6 +215,7 @@ public class BlockFire extends BlockFireAbstract {
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}
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blockposition_mutableblockposition.a((BaseBlockPosition) blockposition, l, j1, i1);
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+ if (blockposition_mutableblockposition.isInvalidYLocation() || !worldserver.isLoaded(blockposition_mutableblockposition)) continue; // Paper
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int l1 = this.a((IWorldReader) worldserver, (BlockPosition) blockposition_mutableblockposition);
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if (l1 > 0) {
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@@ -260,10 +261,16 @@ public class BlockFire extends BlockFireAbstract {
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}
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private void trySpread(World world, BlockPosition blockposition, int i, Random random, int j, BlockPosition sourceposition) { // CraftBukkit add sourceposition
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- int k = this.getBurnChance(world.getType(blockposition));
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+ // Paper start
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+ final IBlockData iblockdata = world.getTypeIfLoaded(blockposition);
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+ if (iblockdata == null) {
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+ return;
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+ }
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+ int k = this.getBurnChance(iblockdata);
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+ // Paper end
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if (random.nextInt(i) < k) {
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- IBlockData iblockdata = world.getType(blockposition);
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+ //IBlockData iblockdata = world.getType(blockposition); // Paper
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// CraftBukkit start
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org.bukkit.block.Block theBlock = world.getWorld().getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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@@ -309,7 +316,7 @@ public class BlockFire extends BlockFireAbstract {
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for (int j = 0; j < i; ++j) {
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EnumDirection enumdirection = aenumdirection[j];
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- if (this.e(iblockaccess.getType(blockposition.shift(enumdirection)))) {
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+ if (this.e(iblockaccess.getTypeIfLoaded(blockposition.shift(enumdirection)))) { // Paper - prevent chunk loads
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return true;
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}
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}
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@@ -327,7 +334,12 @@ public class BlockFire extends BlockFireAbstract {
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for (int k = 0; k < j; ++k) {
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EnumDirection enumdirection = aenumdirection[k];
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- IBlockData iblockdata = iworldreader.getType(blockposition.shift(enumdirection));
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+ // Paper start
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+ IBlockData iblockdata = iworldreader.getTypeIfLoaded(blockposition.shift(enumdirection));
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+ if (iblockdata == null) {
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+ continue;
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+ }
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+ // Paper end
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i = Math.max(this.getFlameChance(iblockdata), i);
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}
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@@ -338,7 +350,7 @@ public class BlockFire extends BlockFireAbstract {
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@Override
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protected boolean e(IBlockData iblockdata) {
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- return this.getFlameChance(iblockdata) > 0;
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+ return iblockdata != null && this.getFlameChance(iblockdata) > 0; // Paper - iblockdata can be nullable if chunk is unloaded now
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}
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@Override
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