From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Cryptite <cryptite@gmail.com>
Date: Mon, 28 Feb 2022 09:17:28 -0600
Subject: [PATCH] World Instance flag


diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 98209532ad3e692d7e459640123f78bbd9a65889..9b3af8f2a433368d722cd442c07b2a2cfb16dc54 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -212,6 +212,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
     public final UUID uuid;
     public boolean hasPhysicsEvent = true; // Paper
     public boolean hasEntityMoveEvent = false; // Paper
+    public boolean instance; // Slice
     private final alternate.current.wire.WireHandler wireHandler = new alternate.current.wire.WireHandler(this); // Paper - optimize redstone (Alternate Current)
     public static Throwable getAddToWorldStackTrace(Entity entity) {
         return new Throwable(entity + " Added to world at " + new java.util.Date());
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 48825eaba9677a8b1e4fff80738e17d08e3307f8..64e2b9554d7a9911e1eff121d4f56d71e97aca68 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -1274,6 +1274,18 @@ public class CraftWorld extends CraftRegionAccessor implements World {
         world.noSave = !value;
     }
 
+    // Slice start
+    @Override
+    public boolean isInstance() {
+        return world.instance;
+    }
+
+    @Override
+    public void setInstance(boolean value) {
+        world.instance = value;
+    }
+    // Slice end
+
     @Override
     public void setDifficulty(Difficulty difficulty) {
         this.getHandle().serverLevelData.setDifficulty(net.minecraft.world.Difficulty.byId(difficulty.getValue()));