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812618deba
Unintended side effects in recent versions, this patch has likely outlived its usefulness. Closes GH-452
62 lines
2.2 KiB
Diff
62 lines
2.2 KiB
Diff
From dfb4a18ee99b99c3de3d43e4f8d4e7926e0d05eb Mon Sep 17 00:00:00 2001
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From: Alfie Cleveland <alfeh@me.com>
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Date: Fri, 19 Aug 2016 01:52:56 +0100
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Subject: [PATCH] Optimise BlockStateEnum hashCode and equals
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diff --git a/src/main/java/net/minecraft/server/BlockStateEnum.java b/src/main/java/net/minecraft/server/BlockStateEnum.java
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index 288c52c..66c459d 100644
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--- a/src/main/java/net/minecraft/server/BlockStateEnum.java
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+++ b/src/main/java/net/minecraft/server/BlockStateEnum.java
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@@ -16,6 +16,11 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends BlockState<T>
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private final ImmutableSet<T> a;
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private final Map<String, T> b = Maps.newHashMap();
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+ // Paper start - BlockStateEnum is a singleton, so we can use our own hashCode
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+ private static int hashId = 0;
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+ private int hashCode;
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+ // Paper end
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+
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protected BlockStateEnum(String s, Class<T> oclass, Collection<T> collection) {
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super(s, oclass);
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this.a = ImmutableSet.copyOf(collection);
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@@ -32,6 +37,7 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends BlockState<T>
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this.b.put(s1, (T) oenum);
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}
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+ this.hashCode = hashId++; // Paper
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}
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public Collection<T> c() {
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@@ -46,24 +52,14 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends BlockState<T>
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return ((INamable) t0).getName();
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}
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+ @Override // Paper - override equals as BlockStateEnum is a singleton
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public boolean equals(Object object) {
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- if (this == object) {
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- return true;
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- } else if (object instanceof BlockStateEnum && super.equals(object)) {
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- BlockStateEnum blockstateenum = (BlockStateEnum) object;
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-
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- return this.a.equals(blockstateenum.a) && this.b.equals(blockstateenum.b);
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- } else {
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- return false;
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- }
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+ return this == object;
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}
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+ @Override // Paper - override hashCode as BlockStateEnum is a singleton
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public int hashCode() {
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- int i = super.hashCode();
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-
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- i = 31 * i + this.a.hashCode();
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- i = 31 * i + this.b.hashCode();
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- return i;
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+ return hashCode;
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}
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public static <T extends Enum<T> & INamable> BlockStateEnum<T> of(String s, Class<T> oclass) {
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--
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2.9.3
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