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https://github.com/YatopiaMC/Yatopia.git
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80 lines
3.2 KiB
Diff
80 lines
3.2 KiB
Diff
From 9394f4829c1f1787ffd500b09d49c359887e7485 Mon Sep 17 00:00:00 2001
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From: Sotr <i@omc.hk>
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Date: Wed, 15 Apr 2020 04:28:25 +0700
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Subject: [PATCH] Akarin Cache hashcode for BlockPosition
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---
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.../net/minecraft/server/BaseBlockPosition.java | 15 ++++++++++++++-
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.../java/net/minecraft/server/BlockPosition.java | 4 ++++
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2 files changed, 18 insertions(+), 1 deletion(-)
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diff --git a/src/main/java/net/minecraft/server/BaseBlockPosition.java b/src/main/java/net/minecraft/server/BaseBlockPosition.java
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index c439a8d019..cc18560431 100644
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--- a/src/main/java/net/minecraft/server/BaseBlockPosition.java
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+++ b/src/main/java/net/minecraft/server/BaseBlockPosition.java
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@@ -18,6 +18,7 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
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return y < 0 || y >= 256;
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}
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// Paper end
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+ protected int hash; // Akarin - cache hashcode
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public BaseBlockPosition(int i, int j, int k) {
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this.x = i;
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@@ -42,8 +43,20 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
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}
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public int hashCode() {
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- return (this.getY() + this.getZ() * 31) * 31 + this.getX();
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+ // Akarin start - cache hashcode
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+ int result = hash; // Make the situation not too bad when it is modified by multiple threads
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+ if (result == 0) {
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+ result = (this.getY() + this.getZ() * 31) * 31 + this.getX();
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+ hash = result;
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+ }
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+ return result;
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+ // return (this.getY() + this.getZ() * 31) * 31 + this.getX();
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+ }
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+
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+ public void recalcHashCode() {
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+ hash = 0;
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}
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+ // Akarin end
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public int compareTo(BaseBlockPosition baseblockposition) {
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return this.getY() == baseblockposition.getY() ? (this.getZ() == baseblockposition.getZ() ? this.getX() - baseblockposition.getX() : this.getZ() - baseblockposition.getZ()) : this.getY() - baseblockposition.getY();
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diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
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index 51a5741846..3a2983f411 100644
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--- a/src/main/java/net/minecraft/server/BlockPosition.java
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+++ b/src/main/java/net/minecraft/server/BlockPosition.java
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@@ -439,6 +439,7 @@ public class BlockPosition extends BaseBlockPosition implements MinecraftSeriali
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this.y = j;
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this.z = k;
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// Paper end
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+ this.recalcHashCode(); // Akarin - cache hashcode
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return this;
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}
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@@ -479,16 +480,19 @@ public class BlockPosition extends BaseBlockPosition implements MinecraftSeriali
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public final void setX(final int x) { this.o(x); } // Paper - OBFHELPER
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public void o(int i) {
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this.x = i; // Paper change to x
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+ this.recalcHashCode(); // Akarin - cache hashcode
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}
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public final void setY(final int y) { this.p(y); } // Paper - OBFHELPER
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public void p(int i) {
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this.y = i; // Paper change to y
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+ this.recalcHashCode(); // Akarin - cache hashcode
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}
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public final void setZ(final int z) { this.q(z); } // Paper - OBFHELPER
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public void q(int i) {
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this.z = i; // Paper change to z
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+ this.recalcHashCode(); // Akarin - cache hashcode
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}
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@Override
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--
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2.25.1.windows.1
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