From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Sat, 8 Apr 2023 01:28:01 +0300
Subject: [PATCH] lithium: collections.gamerules

Original code by CaffeineMC, licensed under LGPL v3
You can find the original code on https://github.com/CaffeineMC/lithium-fabric (Yarn mappings)

diff --git a/src/main/java/net/minecraft/world/level/GameRules.java b/src/main/java/net/minecraft/world/level/GameRules.java
index 89e327bc3a45879fe68887c7aadb077f31a770eb..bb0fcf15fa49d6b352b11d4cffe4e2c8b0fe5c30 100644
--- a/src/main/java/net/minecraft/world/level/GameRules.java
+++ b/src/main/java/net/minecraft/world/level/GameRules.java
@@ -30,6 +30,7 @@ import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import org.slf4j.Logger;
+import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 
 public class GameRules {
 
@@ -149,7 +150,7 @@ public class GameRules {
     }
 
     private GameRules(Map<GameRules.Key<?>, GameRules.Value<?>> rules) {
-        this.rules = rules;
+        this.rules = new Object2ObjectOpenHashMap<>(rules); // DivineMC - lithium: collections.gamerules
 
         // Paper start - Perf: Use array for gamerule storage
         int arraySize = rules.keySet().stream().mapToInt(key -> key.gameRuleIndex).max().orElse(-1) + 1;