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https://github.com/PaperMC/Paper.git
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9dc4d6448b
While it wasn't really "broken" before, if plugins use NMS (which they really should't be) and mess with entity management themselves, and get it wrong, they could ultimately corrupt our state expectations. I've been unable to reproduce any issues locally, but these changes are the result of me analyzing the code pretty deeply and seeing about how to make it more durable to abnormal usage. Any servers seeing oddities, please run with -Ddebug.entities=true and send me any logs triggered.
36 Zeilen
1.7 KiB
Diff
36 Zeilen
1.7 KiB
Diff
From f7085de57b10b4447c4fcf502780a649de366208 Mon Sep 17 00:00:00 2001
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From: Shane Freeder <theboyetronic@gmail.com>
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Date: Tue, 13 Nov 2018 14:01:00 +0000
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Subject: [PATCH] limit the range at which we'll consider an attackable target
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This patch aims to ensure that MCP World#getNearestAttackablePlayer
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will not trigger chunk loads due to PathfinderGoalNearestAttackableTarget
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performing a ray trace operation by pre-checking the maximum limit;
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Given that the implementation shows that the limit should only ever
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decrease when set, allowing us to skip further checks earlier on
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when looking for an attackable entity
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 645af17a58..7721dfee65 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -2721,8 +2721,13 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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for (int i = 0; i < this.players.size(); ++i) {
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EntityHuman entityhuman1 = (EntityHuman) this.players.get(i);
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+ // Paper start
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+ // move distance check up, if set, check distance^2 is less than XZlimit^2, continue
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+ // 4th method param is XZlimit (at least at the time of commit)
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+ double d6 = entityhuman1.d(d0, entityhuman1.locY, d2);
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+ if (d3 < 0.0D || d6 < d3 * d3)
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if (!entityhuman1.abilities.isInvulnerable && entityhuman1.isAlive() && !entityhuman1.isSpectator() && (predicate == null || predicate.test(entityhuman1))) {
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- double d6 = entityhuman1.d(d0, entityhuman1.locY, d2);
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+ // Paper end
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double d7 = d3;
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if (entityhuman1.isSneaking()) {
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--
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2.21.0
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