From 2a0ef4f30b502de02b1b0490560a517ceb116a17 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Fri, 25 Dec 2020 06:07:58 +0100
Subject: [PATCH] fixed a crash in princess AI when pathq is empty

---
 environment.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/environment.cpp b/environment.cpp
index 9835a106..ce5efcd1 100644
--- a/environment.cpp
+++ b/environment.cpp
@@ -149,6 +149,7 @@ struct princess_ai {
 
 void princess_ai::run() {
   int radius = toggle_radius(waOpenPlate);
+  if(pathq.empty()) return;
   int d = pathq.back()->pathdist;
   if(d == PINFD - 1) return;
   d++;