mirror of
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526795bacd
* Update patches to handle vineflower decompiler * update patches again to handle inlined simple lambdas * update vf again and re-apply/rebuild patches * update patches after removal of verify-merges flag * fix compile issue * remove maven local * fix some issues * address more issues * fix collision patch * use paperweight release * more fixes * update fineflower and fix patches again * add missing comment descriptor --------- Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
47 lines
1.9 KiB
Diff
47 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 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 4808c62d3d951b201061659c91d1001e4b9b49ef..6fddbcec673564ac531a852f631f6acc460accbd 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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@@ -500,14 +500,15 @@ 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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@Override
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