From 934fb37aefb1823cadda0e62d9f359af79edd08e Mon Sep 17 00:00:00 2001
From: savilli <78875209+savilli@users.noreply.github.com>
Date: Thu, 27 Apr 2023 14:13:43 +0200
Subject: [PATCH] Fix crash in pathfinder

We need to save `self._path_data` before any return. Otherwise old data will cause crashes, for example because `self._path_data.count` > `openSet` size.
---
 pathfinder.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pathfinder.lua b/pathfinder.lua
index 83d5ea8..2577a96 100644
--- a/pathfinder.lua
+++ b/pathfinder.lua
@@ -296,7 +296,7 @@ function creatura.find_lvm_path(self, start, goal, obj_width, obj_height, max_op
 					fail_safe = fail_safe + 1
 				end
 				repeat
-					if not closedSet[current_id] then return end
+					if not closedSet[current_id] then self._path_data = {} return end
 					table.insert(path, closedSet[current_id].pos)
 					current_id = closedSet[current_id].parent
 				until current_id == start_index or #path >= fail_safe