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b62dfa0bf9
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers CraftBukkit Changes:1cf8b5dcSPIGOT-4400: Populators running on existing chunks116cb9a1SPIGOT-4399: Add attribute modifier equality test5ee1c18aSPIGOT-4398: Set ASM7_EXPERIMENTAL flag
68 lines
2.7 KiB
Diff
68 lines
2.7 KiB
Diff
From 454a4b007f6acbd522312c5dec9cc03b81ed396c 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 73623a21c5..9d8a03be8d 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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@@ -8,6 +8,7 @@ import java.util.Arrays;
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import java.util.Collection;
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import java.util.Map;
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import java.util.Optional;
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+import java.util.concurrent.atomic.AtomicInteger;
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import java.util.function.Predicate;
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import java.util.stream.Collectors;
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@@ -15,11 +16,17 @@ 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 AtomicInteger hashId = new AtomicInteger(1);
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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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- for(Enum oenum : collection) {
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+ this.hashCode = hashId.getAndIncrement() * 61; // Paper
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+ for(T oenum : collection) { // Paper - decompile fix
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String s1 = ((INamable)oenum).getName();
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if (this.b.containsKey(s1)) {
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throw new IllegalArgumentException("Multiple values have the same name '" + s1 + "'");
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@@ -42,22 +49,14 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends BlockState<T>
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return ((INamable)oenum).getName();
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}
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+ @Override // Paper start - 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 blockstateenum1 = (BlockStateEnum)object;
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- return this.a.equals(blockstateenum1.a) && this.b.equals(blockstateenum1.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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+ // Paper end - override equals as BlockStateEnum is a singleton
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}
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public int c() {
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- int i = super.c();
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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; // Paper - hashCode method is final, but we can do this here
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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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2.19.0
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