rewrite chunk system checkpoint

patches/server/0351-Expose-MinecraftServer-isRunning.patch

@@ -1,22 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: JRoy <joshroy126@gmail.com>
-Date: Fri, 10 Apr 2020 21:24:12 -0400
-Subject: [PATCH] Expose MinecraftServer#isRunning
-
-This allows for plugins to detect if the server is actually turning off in onDisable rather than just plugins reloading.
-
-diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index f300e2e446d97a4ef0bc2b8566489a0aaed909d5..7f4ee248bede39701365d200cdc4e39f7bdd8b26 100644
---- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-@@ -2745,5 +2745,10 @@ public final class CraftServer implements Server {
-     public int getCurrentTick() {
-         return net.minecraft.server.MinecraftServer.currentTick;
-     }
-+
-+    @Override
-+    public boolean isStopping() {
-+        return net.minecraft.server.MinecraftServer.getServer().hasStopped();
-+    }
-     // Paper end
- }