From 6d45da2babeb17f9edd04ce872386a1e496e6724 Mon Sep 17 00:00:00 2001
From: IzzelAliz <csh2001331@126.com>
Date: Wed, 15 Dec 2021 21:50:04 +0800
Subject: [PATCH] Digging packet DOS mitigation

---
 .../core/server/management/ServerPlayerGameModeMixin.java      | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/server/management/ServerPlayerGameModeMixin.java b/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/server/management/ServerPlayerGameModeMixin.java
index fb947799..132f94df 100644
--- a/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/server/management/ServerPlayerGameModeMixin.java
+++ b/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/server/management/ServerPlayerGameModeMixin.java
@@ -88,6 +88,9 @@ public abstract class ServerPlayerGameModeMixin implements PlayerInteractionMana
      */
     @Overwrite
     public void handleBlockBreakAction(BlockPos blockPos, ServerboundPlayerActionPacket.Action action, Direction direction, int i) {
+        if (!this.level.hasChunkAt(blockPos)) {
+            return;
+        }
         double d0 = this.player.getX() - (blockPos.getX() + 0.5);
         double d2 = this.player.getY() - (blockPos.getY() + 0.5) + 1.5;
         double d3 = this.player.getZ() - (blockPos.getZ() + 0.5);