b922ff9886
This only impacted people who used our useSnapshots new API in a plugin, which obviously was no one as the data result was completely broken. Merged the NPE check patch into mine since it has to handle it too.
50 Zeilen
1.9 KiB
Diff
50 Zeilen
1.9 KiB
Diff
From 8d7875bba43bd5bab68aa8732e6260959dce1f7c Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 10 Jun 2018 20:20:15 -0400
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Subject: [PATCH] Fix CraftEntity hashCode
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hashCodes are not allowed to change, however bukkit used a value
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that does change, the entityId.
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When an entity is teleported dimensions, the entity reference is
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replaced with a new one with a new entity ID.
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For hashCode, we can simply use the UUID's hashCode to keep
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the hashCode from changing.
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equals() is ok to use getEntityId() because equals() should only
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be true if both the left and right are the same reference.
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Since entity ids can not duplicate during runtime, this
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check is essentially the same as this.getHandle() == other.getHandle()
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However, replaced it too to make it clearer of intent.
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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index 1571e4eb5..22a1a4965 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
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@@ -503,14 +503,15 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
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return false;
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}
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final CraftEntity other = (CraftEntity) obj;
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- return (this.getEntityId() == other.getEntityId());
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+ return (this.getHandle() == other.getHandle()); // Paper - while logically the same, this is clearer
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}
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+ // Paper - Fix hashCode. entity ID's are not static.
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+ // A CraftEntity can change reference to a new entity with a new ID, and hash codes should never change
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@Override
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public int hashCode() {
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- int hash = 7;
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- hash = 29 * hash + this.getEntityId();
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- return hash;
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+ return getUniqueId().hashCode();
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+ // Paper end
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}
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public void setMetadata(String metadataKey, MetadataValue newMetadataValue) {
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--
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2.18.0
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