PaperMC/Spigot-Server-Patches/Optimise-BlockState-s-hashCode-equals.patch
Jason Penilla 062733b903 Updated Upstream (CraftBukkit/Spigot)
Doesn't compile yet.

CraftBukkit Changes:
90d6905b Repackage NMS
69cf961d Repackage patches

Spigot Changes:
79d53c28 Repackage NMS
2021-03-16 00:19:45 -07:00

84 lines
4.3 KiB
Diff

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/BlockStateBoolean.java b/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateBoolean.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateBoolean.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateBoolean.java
@@ -0,0 +0,0 @@ public class BlockStateBoolean extends IBlockState<Boolean> {
return obool.toString();
}
- @Override
- public boolean equals(Object object) {
+ public boolean equals_unused(Object object) { // Paper
if (this == object) {
return true;
} else if (object instanceof BlockStateBoolean && super.equals(object)) {
diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateEnum.java b/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateEnum.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateEnum.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateEnum.java
@@ -0,0 +0,0 @@ public class BlockStateEnum<T extends Enum<T> & INamable> extends IBlockState<T>
return ((INamable) t0).getName();
}
- @Override
- public boolean equals(Object object) {
+ public boolean equals_unused(Object object) { // Paper
if (this == object) {
return true;
} else if (object instanceof BlockStateEnum && super.equals(object)) {
diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateInteger.java b/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateInteger.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateInteger.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/BlockStateInteger.java
@@ -0,0 +0,0 @@ public class BlockStateInteger extends IBlockState<Integer> {
return this.a;
}
- @Override
- public boolean equals(Object object) {
+ public boolean equals_unused(Object object) { // Paper
if (this == object) {
return true;
} else if (object instanceof BlockStateInteger && super.equals(object)) {
diff --git a/src/main/java/net/minecraft/world/level/block/state/properties/IBlockState.java b/src/main/java/net/minecraft/world/level/block/state/properties/IBlockState.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/block/state/properties/IBlockState.java
+++ b/src/main/java/net/minecraft/world/level/block/state/properties/IBlockState.java
@@ -0,0 +0,0 @@ public abstract class IBlockState<T extends Comparable<T>> {
}
public boolean equals(Object object) {
- if (this == object) {
- return true;
- } else if (!(object instanceof IBlockState)) {
- return false;
- } else {
- IBlockState<?> iblockstate = (IBlockState) object;
-
- return this.a.equals(iblockstate.a) && this.b.equals(iblockstate.b);
- }
+ 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.c == null) {
this.c = this.b();
}
- return this.c;
+ return this.hashCode; // Paper - only one instance per configuration
}
public int b() {