PaperMC/patches/server-remapped/Optimise-BlockState-s-hashCode-equals.patch
MiniDigger | Martin 95d25d98e8 Move patches around
2021-06-11 14:02:28 +02:00

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4.3 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Fri, 19 Aug 2016 01:52:56 +0100
Subject: [PATCH] Optimise BlockState's hashCode/equals
These are singleton "single instance" objects. We can rely on
object identity checks safely.
Use a simpler optimized hashcode
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
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- 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
@@ -0,0 +0,0 @@ public class BooleanProperty extends Property<Boolean> {
return value.toString();
}
- @Override
- public boolean equals(Object object) {
+ public boolean equals_unused(Object object) { // Paper
if (this == object) {
return true;
} else if (object instanceof BooleanProperty && super.equals(object)) {
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
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- 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
@@ -0,0 +0,0 @@ public class EnumProperty<T extends Enum<T> & StringRepresentable> extends Prope
return ((StringRepresentable) value).getSerializedName();
}
- @Override
- public boolean equals(Object object) {
+ public boolean equals_unused(Object object) { // Paper
if (this == object) {
return true;
} else if (object instanceof EnumProperty && super.equals(object)) {
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
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- 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
@@ -0,0 +0,0 @@ public class IntegerProperty extends Property<Integer> {
return this.values;
}
- @Override
- public boolean equals(Object object) {
+ public boolean equals_unused(Object object) { // Paper
if (this == object) {
return true;
} else if (object instanceof IntegerProperty && super.equals(object)) {
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
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- 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
@@ -0,0 +0,0 @@ public abstract class Property<T extends Comparable<T>> {
}
public boolean equals(Object object) {
- if (this == object) {
- return true;
- } else if (!(object instanceof Property)) {
- return false;
- } else {
- Property<?> iblockstate = (Property) object;
-
- return this.clazz.equals(iblockstate.clazz) && this.name.equals(iblockstate.name);
- }
+ return this == object; // Paper - only one instance per configuration
}
+ private static final java.util.concurrent.atomic.AtomicInteger hashId = new java.util.concurrent.atomic.AtomicInteger(1); // Paper - only one instance per configuration
+ private final int hashCode = 92821 * hashId.getAndIncrement(); // Paper - only one instance per configuration
public final int hashCode() {
if (this.hashCode == null) {
this.hashCode = this.generateHashCode();
}
- return this.hashCode;
+ return this.hashCode; // Paper - only one instance per configuration
}
public int generateHashCode() {