mirror of https://github.com/PaperMC/Paper.git
69 lines
2.1 KiB
Diff
69 lines
2.1 KiB
Diff
From b30fb91663c75adb7a5138e6f03a70c63d93c0f6 Mon Sep 17 00:00:00 2001
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From: Andrew Steinborn <git@steinborn.me>
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Date: Mon, 23 Jul 2018 13:08:19 -0400
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Subject: [PATCH] Optimize RegistryID.c()
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This is a frequent hotspot for world loading/saving.
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diff --git a/src/main/java/net/minecraft/server/RegistryID.java b/src/main/java/net/minecraft/server/RegistryID.java
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index d03ac0e70c..9242999f70 100644
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--- a/src/main/java/net/minecraft/server/RegistryID.java
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+++ b/src/main/java/net/minecraft/server/RegistryID.java
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@@ -13,12 +13,14 @@ public class RegistryID<K> implements Registry<K> {
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private K[] d;
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private int e;
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private int f;
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+ private java.util.BitSet usedIds; // Paper
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public RegistryID(int i) {
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i = (int)((float)i / 0.8F);
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this.b = (K[])(new Object[i]);
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this.c = new int[i];
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this.d = (K[])(new Object[i]);
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+ this.usedIds = new java.util.BitSet(); // Paper
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}
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public int getId(@Nullable K object) {
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@@ -41,9 +43,14 @@ public class RegistryID<K> implements Registry<K> {
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}
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private int c() {
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+ // Paper start
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+ /*
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while(this.e < this.d.length && this.d[this.e] != null) {
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++this.e;
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}
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+ */
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+ this.e = this.usedIds.nextClearBit(0);
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+ // Paper end
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return this.e;
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}
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@@ -56,6 +63,7 @@ public class RegistryID<K> implements Registry<K> {
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this.d = (K[])(new Object[i]);
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this.e = 0;
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this.f = 0;
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+ this.usedIds.clear(); // Paper
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for(int j = 0; j < aobject.length; ++j) {
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if (aobject[j] != null) {
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@@ -80,6 +88,7 @@ public class RegistryID<K> implements Registry<K> {
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this.b[l] = object;
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this.c[l] = i;
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this.d[i] = object;
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+ this.usedIds.set(i); // Paper
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++this.f;
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if (i == this.e) {
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++this.e;
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@@ -140,6 +149,7 @@ public class RegistryID<K> implements Registry<K> {
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Arrays.fill(this.d, (Object)null);
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this.e = 0;
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this.f = 0;
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+ this.usedIds.clear(); // Paper
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}
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public int b() {
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--
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2.18.0
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