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29 lines
1.7 KiB
Diff
29 lines
1.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Newwind <support@newwindserver.com>
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Date: Mon, 26 Aug 2024 14:01:37 +0200
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Subject: [PATCH] Check dead flag in isAlive()
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If a plugin sets the health of a living entity above 0 after it has already died, the entity will be "revived".
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It will behave the exact same as before, except with the internal "dead" flag set, resulting in 2 behavior changes,
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A: it's completely invulnerable to all damage
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B: it's unable to pickup items
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isValid() for these bugged entities will return true, isDead() will return false, despite the dead flag.
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This patch checks that the mob isn't dead before saying its alive.
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Also, even if the plugin is responsibly checking !isDead() before modifying health, on very rare circumstances
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I am currently unable to replicate, these "revived" entities can still appear
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index ab9eec00c8c7d4b9501c6c860065909263da0b10..6db0613904c172fb6ae7e868f542f56aeaa63a5e 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -2147,7 +2147,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
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@Override
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public boolean isAlive() {
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- return !this.isRemoved() && this.getHealth() > 0.0F;
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+ return !this.isRemoved() && this.getHealth() > 0.0F && !this.dead; // Paper - Check this.dead
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}
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public boolean isLookingAtMe(LivingEntity entity, double d0, boolean flag, boolean visualShape, Predicate<LivingEntity> predicate, DoubleSupplier... entityYChecks) {
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