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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Paul Sauve <paul@technove.co>
Date: Sun, 9 May 2021 16:49:49 -0500
Subject: [PATCH] Use array for gamerule storage
diff --git a/src/main/java/net/minecraft/world/level/GameRules.java b/src/main/java/net/minecraft/world/level/GameRules.java
index 09299e45552eb998fd02123c3921c0653f85083d..4ae47c2c5a6bcfbf932d000a80974463e2d3818d 100644
--- a/src/main/java/net/minecraft/world/level/GameRules.java
+++ b/src/main/java/net/minecraft/world/level/GameRules.java
@@ -129,6 +129,7 @@ public class GameRules {
}));
private final Map<GameRules.Key<?>, GameRules.Value<?>> rules;
private final FeatureFlagSet enabledFeatures;
+ private final GameRules.Value<?>[] gameruleArray; // Paper - Perf: Use array for gamerule storage
private static <T extends GameRules.Value<T>> GameRules.Key<T> register(String name, GameRules.Category category, GameRules.Type<T> type) {
GameRules.Key<T> gamerules_gamerulekey = new GameRules.Key<>(name, category);
@@ -161,10 +162,21 @@ public class GameRules {
private GameRules(Map<GameRules.Key<?>, GameRules.Value<?>> rules, FeatureFlagSet enabledFeatures) {
this.rules = rules;
this.enabledFeatures = enabledFeatures;
+
+ // Paper start - Perf: Use array for gamerule storage
+ int arraySize = GameRules.Key.lastGameRuleIndex + 1;
+ GameRules.Value<?>[] values = new GameRules.Value[arraySize];
+
+ for (Entry<GameRules.Key<?>, GameRules.Value<?>> entry : rules.entrySet()) {
+ values[entry.getKey().gameRuleIndex] = entry.getValue();
+ }
+
+ this.gameruleArray = values;
+ // Paper end - Perf: Use array for gamerule storage
}
public <T extends GameRules.Value<T>> T getRule(GameRules.Key<T> key) {
- T t0 = (T) this.rules.get(key); // CraftBukkit - decompile error
+ T t0 = key == null ? null : (T) this.gameruleArray[key.gameRuleIndex]; // Paper - Perf: Use array for gamerule storage
if (t0 == null) {
throw new IllegalArgumentException("Tried to access invalid game rule");
@@ -232,6 +244,10 @@ public class GameRules {
}
public static final class Key<T extends GameRules.Value<T>> {
+ // Paper start - Perf: Use array for gamerule storage
+ public static int lastGameRuleIndex = 0;
+ public final int gameRuleIndex = lastGameRuleIndex++;
+ // Paper end - Perf: Use array for gamerule storage
final String id;
private final GameRules.Category category;
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