82 lines
4.1 KiB
Diff
82 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/FireBlock.java b/src/main/java/net/minecraft/world/level/block/FireBlock.java
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index 700078c2fd536cc22351eadf51503efb9acd9df9..85170008de6e77cfb8e4f55ae440a8428d868af4 100644
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--- a/src/main/java/net/minecraft/world/level/block/FireBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/FireBlock.java
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@@ -134,7 +134,7 @@ public class FireBlock extends BaseFireBlock {
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BooleanProperty blockstateboolean = (BooleanProperty) FireBlock.PROPERTY_BY_DIRECTION.get(enumdirection);
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if (blockstateboolean != null) {
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- iblockdata1 = (BlockState) iblockdata1.setValue(blockstateboolean, this.canBurn(world.getBlockState(pos.relative(enumdirection))));
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+ iblockdata1 = (BlockState) iblockdata1.setValue(blockstateboolean, this.canBurn(world.getTypeIfLoaded(pos.relative(enumdirection)))); // Paper - prevent chunk loads
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}
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}
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@@ -214,6 +214,7 @@ public class FireBlock extends BaseFireBlock {
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}
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blockposition_mutableblockposition.setWithOffset((Vec3i) pos, l, j1, i1);
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+ if (blockposition_mutableblockposition.isInvalidYLocation() || !world.hasChunkAt(blockposition_mutableblockposition)) continue; // Paper
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int l1 = this.getFireOdds((LevelReader) world, (BlockPos) blockposition_mutableblockposition);
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if (l1 > 0) {
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@@ -259,10 +260,16 @@ public class FireBlock extends BaseFireBlock {
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}
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private void trySpread(Level world, BlockPos blockposition, int i, Random random, int j, BlockPos sourceposition) { // CraftBukkit add sourceposition
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- int k = this.getBurnOdd(world.getBlockState(blockposition));
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+ // Paper start
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+ final BlockState 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.getBurnOdd(iblockdata);
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+ // Paper end
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if (random.nextInt(i) < k) {
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- BlockState iblockdata = world.getBlockState(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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@@ -308,7 +315,7 @@ public class FireBlock extends BaseFireBlock {
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for (int j = 0; j < i; ++j) {
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Direction enumdirection = aenumdirection[j];
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- if (this.canBurn(world.getBlockState(pos.relative(enumdirection)))) {
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+ if (this.canBurn(world.getTypeIfLoaded(pos.relative(enumdirection)))) { // Paper - prevent chunk loads
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return true;
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}
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}
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@@ -326,7 +333,12 @@ public class FireBlock extends BaseFireBlock {
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for (int k = 0; k < j; ++k) {
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Direction enumdirection = aenumdirection[k];
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- BlockState iblockdata = iworldreader.getBlockState(pos.relative(enumdirection));
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+ // Paper start
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+ BlockState iblockdata = iworldreader.getTypeIfLoaded(pos.relative(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.getFlameOdds(iblockdata), i);
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}
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@@ -337,7 +349,7 @@ public class FireBlock extends BaseFireBlock {
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@Override
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protected boolean canBurn(BlockState state) {
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- return this.getFlameOdds(state) > 0;
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+ return state != null && this.getFlameOdds(state) > 0; // Paper - iblockdata can be nullable if chunk is unloaded now
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}
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@Override
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