From 1ce9b5d1d5312e6a0da0acb896d6d43b7af3cd4f Mon Sep 17 00:00:00 2001
From: Evan Debenham <Evan@ShatteredPixel.com>
Date: Mon, 20 Mar 2023 17:00:05 -0400
Subject: [PATCH] v2.0.1: added various safety checks for rare crashes

---
 .../shatteredpixeldungeon/actors/hero/Hero.java             | 6 ++++++
 .../shatteredpixeldungeon/actors/mobs/Mob.java              | 2 +-
 .../shatteredpixel/shatteredpixeldungeon/items/Item.java    | 5 ++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
index 606ffee21..1ac7729f2 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/hero/Hero.java
@@ -1992,6 +1992,12 @@ public class Hero extends Char {
 	
 	@Override
 	public void onAttackComplete() {
+
+		if (enemy == null){
+			curAction = null;
+			super.onAttackComplete();
+			return;
+		}
 		
 		AttackIndicator.target(enemy);
 		boolean wasEnemy = enemy.alignment == Alignment.ENEMY
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java
index 09275c787..863090bbb 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/actors/mobs/Mob.java
@@ -698,7 +698,7 @@ public abstract class Mob extends Char {
 
 	public boolean surprisedBy( Char enemy, boolean attacking ){
 		return enemy == Dungeon.hero
-				&& (enemy.invisible > 0 || !enemySeen || (fieldOfView != null && !fieldOfView[enemy.pos]))
+				&& (enemy.invisible > 0 || !enemySeen || (fieldOfView != null && fieldOfView.length == Dungeon.level.length() && !fieldOfView[enemy.pos]))
 				&& (!attacking || enemy.canSurpriseAttack());
 	}
 
diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Item.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Item.java
index 7a7578878..64f3bad37 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Item.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/items/Item.java
@@ -172,7 +172,10 @@ public class Item implements Bundlable {
 	}
 	
 	public void execute( Hero hero ) {
-		execute( hero, defaultAction() );
+		String action = defaultAction();
+		if (action != null) {
+			execute(hero, defaultAction());
+		}
 	}
 	
 	protected void onThrow( int cell ) {