85 lines
4.3 KiB
Diff
85 lines
4.3 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/world/level/block/state/properties/BooleanProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
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index c5af36a0279d1e1c951e6f9b34857b0aa934f940..62f11a02e3f5c07e838f425cffb0a28b6d2bc138 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/BooleanProperty.java
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@@ -30,8 +30,7 @@ public class BooleanProperty extends Property<Boolean> {
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return value.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 BooleanProperty && super.equals(object)) {
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diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
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index b5817645727f2af2785e0987ba824f431d4e9e32..2fdfd7d2470ee9f1a96eda7418b104c960df8460 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/EnumProperty.java
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@@ -50,8 +50,7 @@ public class EnumProperty<T extends Enum<T> & StringRepresentable> extends Prope
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return ((StringRepresentable) value).getSerializedName();
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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 EnumProperty && super.equals(object)) {
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diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java b/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
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index c3ec7f91794d802e5b9ddac3fffccce378dace68..72f508321ebffcca31240fbdd068b4d185454cbc 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/IntegerProperty.java
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@@ -38,8 +38,7 @@ public class IntegerProperty extends Property<Integer> {
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return this.values;
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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 IntegerProperty && super.equals(object)) {
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diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/Property.java b/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
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index 8cc07c70fde81e44679f3ea7d9a4c6b2447885d4..80f8966ac56e8af4a6c7aa86b2d8dd0f319c7b5d 100644
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--- a/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
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+++ b/src/main/java/net/minecraft/world/level/block/state/properties/Property.java
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@@ -60,23 +60,17 @@ public abstract class Property<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 Property)) {
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- return false;
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- } else {
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- Property<?> iblockstate = (Property) object;
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-
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- return this.clazz.equals(iblockstate.clazz) && this.name.equals(iblockstate.name);
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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.hashCode == null) {
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this.hashCode = this.generateHashCode();
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}
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- return this.hashCode;
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+ return this.hashCode; // Paper - only one instance per configuration
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}
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public int generateHashCode() {
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