From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Wed, 30 Nov 2022 17:35:06 +0100
Subject: [PATCH] Replace game rules map with optimized collection

License: LGPL-3.0 (https://www.gnu.org/licenses/lgpl-3.0.html)
Gale - https://galemc.org

This patch is based on the following mixin:
"me/jellysquid/mods/lithium/mixin/collections/gamerules/GameRulesMixin.java"
By: 2No2Name <2No2Name@web.de>
As part of: Lithium (https://github.com/CaffeineMC/lithium-fabric)
Licensed under: LGPL-3.0 (https://www.gnu.org/licenses/lgpl-3.0.html)

diff --git a/src/main/java/net/minecraft/world/level/GameRules.java b/src/main/java/net/minecraft/world/level/GameRules.java
index e660a84251bc67435e905aacf628a84156b5d689..dfdd70fccc135b7c1cf89b8e4c2fcdb7738caea7 100644
--- a/src/main/java/net/minecraft/world/level/GameRules.java
+++ b/src/main/java/net/minecraft/world/level/GameRules.java
@@ -19,6 +19,8 @@ import java.util.function.BiConsumer;
 import java.util.function.Function;
 import java.util.function.Supplier;
 import javax.annotation.Nullable;
+
+import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.commands.CommandSourceStack;
 import net.minecraft.commands.Commands;
 import net.minecraft.nbt.CompoundTag;
@@ -118,7 +120,7 @@ public class GameRules {
     }
 
     private GameRules(Map<GameRules.Key<?>, GameRules.Value<?>> rules) {
-        this.rules = rules;
+        this.rules = new Object2ObjectOpenHashMap<>(rules); // Gale - Lithium - replace game rules map with optimized collection
 
         // Gale start - Airplane - use array for gamerule storage
         int arraySize = rules.keySet().stream().mapToInt(key -> key.gameRuleIndex).max().orElse(-1) + 1;