From e34a4c63a70ac69703523f9d0b835929b3ba4a0d Mon Sep 17 00:00:00 2001
From: Bojidar Marinov <bojidar.marinov.bg@gmail.com>
Date: Wed, 30 Jan 2019 20:22:08 +0200
Subject: [PATCH] Fix AStar crashing with large (>1e30) estimated values

Fixes #21601
---
 core/math/a_star.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/math/a_star.cpp b/core/math/a_star.cpp
index a0556ae839e..b885a06834c 100644
--- a/core/math/a_star.cpp
+++ b/core/math/a_star.cpp
@@ -260,8 +260,8 @@ bool AStar::_solve(Point *begin_point, Point *end_point) {
 		}
 		// Check open list
 
-		SelfList<Point> *least_cost_point = NULL;
-		real_t least_cost = 1e30;
+		SelfList<Point> *least_cost_point = open_list.first();
+		real_t least_cost = Math_INF;
 
 		// TODO: Cache previous results
 		for (SelfList<Point> *E = open_list.first(); E; E = E->next()) {