From db2616d1c039b3a5fee1150bc2bfcdbc059e09be Mon Sep 17 00:00:00 2001
From: Jonathan Coates <git@squiddev.cc>
Date: Wed, 3 May 2023 23:38:12 +0100
Subject: [PATCH] Don't (metaphorically) explode on null explosions

Closes #1423.
---
 .../computercraft/shared/turtle/blocks/BlockTurtle.java       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/dan200/computercraft/shared/turtle/blocks/BlockTurtle.java b/src/main/java/dan200/computercraft/shared/turtle/blocks/BlockTurtle.java
index 1c5e82ca1..76f6138d5 100644
--- a/src/main/java/dan200/computercraft/shared/turtle/blocks/BlockTurtle.java
+++ b/src/main/java/dan200/computercraft/shared/turtle/blocks/BlockTurtle.java
@@ -172,9 +172,9 @@ public class BlockTurtle extends BlockComputerBase<TileTurtle> implements IWater
     }
 
     @Override
-    public float getExplosionResistance( BlockState state, IBlockReader world, BlockPos pos, Explosion explosion )
+    public float getExplosionResistance( BlockState state, IBlockReader world, BlockPos pos, @Nullable Explosion explosion )
     {
-        Entity exploder = explosion.getExploder();
+        Entity exploder = explosion == null ? null : explosion.getExploder();
         if( getFamily() == ComputerFamily.ADVANCED || exploder instanceof LivingEntity || exploder instanceof DamagingProjectileEntity )
         {
             return 2000;