From a21c388dd6c7dd0f5630b2a582cbf99cdcfa46d7 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Fri, 6 Aug 2021 15:10:21 +0300
Subject: [PATCH] - destroyed stale thinkers after change level failure

https://forum.zdoom.org/viewtopic.php?t=72890
---
 src/g_level.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/g_level.cpp b/src/g_level.cpp
index 0f85fc144..6468dd29d 100644
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@@ -378,6 +378,10 @@ void G_NewInit ()
 	if (primaryLevel->FraggleScriptThinker) primaryLevel->FraggleScriptThinker->Destroy();
 	primaryLevel->FraggleScriptThinker = nullptr;
 
+	// Destroy thinkers that may remain after change level failure
+	// Usually, the list contains just a sentinel when such error occurred
+	primaryLevel->Thinkers.DestroyThinkersInList(STAT_TRAVELLING);
+
 	G_ClearSnapshots ();
 	netgame = false;
 	multiplayer = multiplayernext;