d089acb3bd
ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
68 lines
2.7 KiB
Diff
68 lines
2.7 KiB
Diff
From 6d92bd624a75098dfeae5b99362e4fd0e13df989 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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2.18.0
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