Paper/patches/unapplied/server/0089-Do-not-load-chunks-for-Pathfinding.patch
2024-04-23 11:31:38 -07:00

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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
index 13840b12e209b62783206861b817d433eedd6191..b125b9903454891e22a15a0a794d67be67fdb083 100644
--- a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
@@ -469,7 +469,12 @@ 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);
+ // Paper start - Do not load chunks during pathfinding
+ BlockState blockState = world.getBlockStateIfLoaded(pos);
+ if (blockState == null) {
+ return BlockPathTypes.BLOCKED;
+ } else {
+ // Paper end - Do not load chunks during pathfinding
if (blockState.is(Blocks.CACTUS) || blockState.is(Blocks.SWEET_BERRY_BUSH)) {
return BlockPathTypes.DANGER_OTHER;
}
@@ -485,6 +490,7 @@ public class WalkNodeEvaluator extends NodeEvaluator {
if (blockState.is(Blocks.WITHER_ROSE) || blockState.is(Blocks.POINTED_DRIPSTONE)) {
return BlockPathTypes.DAMAGE_CAUTIOUS;
}
+ } // Paper
}
}
}
@@ -494,7 +500,8 @@ public class WalkNodeEvaluator extends NodeEvaluator {
}
protected static BlockPathTypes getBlockPathTypeRaw(BlockGetter world, BlockPos pos) {
- BlockState blockState = world.getBlockState(pos);
+ BlockState blockState = world.getBlockStateIfLoaded(pos); // Paper - Do not load chunks during pathfinding
+ if (blockState == null) return BlockPathTypes.BLOCKED; // Paper - Do not load chunks during pathfinding
Block block = blockState.getBlock();
if (blockState.isAir()) {
return BlockPathTypes.OPEN;