From 220d21c5b5a7a9c94e1317bdd1ae5da1329fec83 Mon Sep 17 00:00:00 2001
From: Evan Debenham <Evan@ShatteredPixel.com>
Date: Thu, 21 Mar 2019 00:37:45 -0400
Subject: [PATCH] v0.7.2a: added a safety check to buying an item

---
 .../shatteredpixeldungeon/windows/WndTradeItem.java           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndTradeItem.java b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndTradeItem.java
index 6fadab609..d8bf0fdbb 100644
--- a/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndTradeItem.java
+++ b/core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/windows/WndTradeItem.java
@@ -259,13 +259,13 @@ public class WndTradeItem extends Window {
 	
 	private void buy( Heap heap ) {
 		
-		Hero hero = Dungeon.hero;
 		Item item = heap.pickUp();
+		if (item == null) return;
 		
 		int price = price( item );
 		Dungeon.gold -= price;
 		
-		if (!item.doPickUp( hero )) {
+		if (!item.doPickUp( Dungeon.hero )) {
 			Dungeon.level.drop( item, heap.pos ).sprite.drop();
 		}
 	}