PaperMC/patches/server/0076-Do-not-load-chunks-for-Pathfinding.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 31 Mar 2016 19:17:58 -0400
Subject: [PATCH] Do not load chunks for Pathfinding
diff --git a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
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index 204ed5665adf2df7252fe2d21872db6956415311..b37acb6e6e253529a38f44a518a02c7747d3145e 100644
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--- a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
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@@ -453,7 +453,12 @@ public class WalkNodeEvaluator extends NodeEvaluator {
for(int n = -1; n <= 1; ++n) {
if (l != 0 || n != 0) {
pos.set(i + l, j + m, k + n);
- BlockState blockState = world.getBlockState(pos);
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+ // Paper start
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+ BlockState blockState = world.getTypeIfLoaded(pos);
+ if (blockState == null) {
+ return BlockPathTypes.BLOCKED;
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+ } else {
+ // Paper end
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if (blockState.is(Blocks.CACTUS)) {
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return BlockPathTypes.DANGER_CACTUS;
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}
@@ -469,6 +474,7 @@ public class WalkNodeEvaluator extends NodeEvaluator {
if (world.getFluidState(pos).is(FluidTags.WATER)) {
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return BlockPathTypes.WATER_BORDER;
}
+ } // Paper
}
}
}
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@@ -478,7 +484,8 @@ public class WalkNodeEvaluator extends NodeEvaluator {
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}
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protected static BlockPathTypes getBlockPathTypeRaw(BlockGetter world, BlockPos pos) {
- BlockState blockState = world.getBlockState(pos);
+ BlockState blockState = world.getTypeIfLoaded(pos); // Paper
+ if (blockState == null) return BlockPathTypes.BLOCKED; // Paper
Block block = blockState.getBlock();
Material material = blockState.getMaterial();
if (blockState.isAir()) {