From 64360e184599c895a9c26a46cf1e7e2f91e80b92 Mon Sep 17 00:00:00 2001 From: Alfie Cleveland Date: Fri, 19 Aug 2016 01:52:56 +0100 Subject: [PATCH] Optimise BlockStateEnum hashCode and equals diff --git a/src/main/java/net/minecraft/server/BlockStateEnum.java b/src/main/java/net/minecraft/server/BlockStateEnum.java index 288c52c..66c459d 100644 --- a/src/main/java/net/minecraft/server/BlockStateEnum.java +++ b/src/main/java/net/minecraft/server/BlockStateEnum.java @@ -16,6 +16,11 @@ public class BlockStateEnum & INamable> extends BlockState private final ImmutableSet a; private final Map b = Maps.newHashMap(); + // Paper start - BlockStateEnum is a singleton, so we can use our own hashCode + private static int hashId = 0; + private int hashCode; + // Paper end + protected BlockStateEnum(String s, Class oclass, Collection collection) { super(s, oclass); this.a = ImmutableSet.copyOf(collection); @@ -32,6 +37,7 @@ public class BlockStateEnum & INamable> extends BlockState this.b.put(s1, (T) oenum); } + this.hashCode = hashId++; // Paper } public Collection c() { @@ -46,24 +52,14 @@ public class BlockStateEnum & INamable> extends BlockState return ((INamable) t0).getName(); } + @Override // Paper - override equals as BlockStateEnum is a singleton public boolean equals(Object object) { - if (this == object) { - return true; - } else if (object instanceof BlockStateEnum && super.equals(object)) { - BlockStateEnum blockstateenum = (BlockStateEnum) object; - - return this.a.equals(blockstateenum.a) && this.b.equals(blockstateenum.b); - } else { - return false; - } + return this == object; } + @Override // Paper - override hashCode as BlockStateEnum is a singleton public int hashCode() { - int i = super.hashCode(); - - i = 31 * i + this.a.hashCode(); - i = 31 * i + this.b.hashCode(); - return i; + return hashCode; } public static & INamable> BlockStateEnum of(String s, Class oclass) { -- 2.9.3