84 lines
3.9 KiB
Diff
84 lines
3.9 KiB
Diff
From 0000000000000000000000000000000000000000 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 BlockState's hashCode/equals
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These are singleton "single instance" objects. We can rely on
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object identity checks safely.
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Use a simpler optimized hashcode
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diff --git a/src/main/java/net/minecraft/server/BlockStateBoolean.java b/src/main/java/net/minecraft/server/BlockStateBoolean.java
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index 8df150f4cabb3dd98cb66c9d1af7fae035a6a6fe..4ca8db630434915de4eaeac6c4ecd60714d7f5d9 100644
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--- a/src/main/java/net/minecraft/server/BlockStateBoolean.java
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+++ b/src/main/java/net/minecraft/server/BlockStateBoolean.java
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@@ -30,8 +30,7 @@ public class BlockStateBoolean extends IBlockState<Boolean> {
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return obool.toString();
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}
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- @Override
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- public boolean equals(Object object) {
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+ public boolean equals_unused(Object object) { // Paper
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if (this == object) {
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return true;
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} else if (object instanceof BlockStateBoolean && super.equals(object)) {
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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 8162c11d14b8e88c2b572f9ddf6b7a15977047f8..8dc620b22bb904aa6a82e2127aa9da861986525c 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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@@ -49,8 +49,7 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends IBlockState<T>
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return ((INamable) t0).getName();
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}
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- @Override
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- public boolean equals(Object object) {
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+ public boolean equals_unused(Object object) { // Paper
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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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diff --git a/src/main/java/net/minecraft/server/BlockStateInteger.java b/src/main/java/net/minecraft/server/BlockStateInteger.java
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index 5bd7a236b948666ca31e53cb3a8aa0dc147e274b..36b84446e96faefad3b783f73df74e0f3bce8255 100644
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--- a/src/main/java/net/minecraft/server/BlockStateInteger.java
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+++ b/src/main/java/net/minecraft/server/BlockStateInteger.java
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@@ -38,8 +38,7 @@ public class BlockStateInteger extends IBlockState<Integer> {
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return this.a;
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}
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- @Override
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- public boolean equals(Object object) {
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+ public boolean equals_unused(Object object) { // Paper
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if (this == object) {
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return true;
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} else if (object instanceof BlockStateInteger && super.equals(object)) {
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diff --git a/src/main/java/net/minecraft/server/IBlockState.java b/src/main/java/net/minecraft/server/IBlockState.java
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index d63a4e4916ed5f5d901be0f4dd2c13cf66239055..6550b55067db31dbbc903fe17a13849383651c5a 100644
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--- a/src/main/java/net/minecraft/server/IBlockState.java
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+++ b/src/main/java/net/minecraft/server/IBlockState.java
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@@ -59,23 +59,17 @@ public abstract class IBlockState<T extends Comparable<T>> {
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}
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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 IBlockState)) {
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- return false;
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- } else {
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- IBlockState<?> iblockstate = (IBlockState) object;
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-
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- return this.a.equals(iblockstate.a) && this.b.equals(iblockstate.b);
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- }
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+ return this == object; // Paper - only one instance per configuration
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}
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+ private static final java.util.concurrent.atomic.AtomicInteger hashId = new java.util.concurrent.atomic.AtomicInteger(1); // Paper - only one instance per configuration
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+ private final int hashCode = 92821 * hashId.getAndIncrement(); // Paper - only one instance per configuration
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public final int hashCode() {
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if (this.c == null) {
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this.c = this.b();
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}
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- return this.c;
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+ return this.hashCode; // Paper - only one instance per configuration
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}
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public int b() {
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