From 1959502a0bd9132185e96ee72020b8bde256082b Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Sat, 10 Oct 2020 13:04:08 +0300
Subject: [PATCH] - clear current levels' snapshots explicitly if saved game
 loading fails

Levels that are not defined via MAPINFO could keep stalled snapshots data preventing their loading from scratch

https://forum.zdoom.org/viewtopic.php?t=70115
---
 src/gamedata/g_mapinfo.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/gamedata/g_mapinfo.cpp b/src/gamedata/g_mapinfo.cpp
index 8c075f51c..69ed4bceb 100644
--- a/src/gamedata/g_mapinfo.cpp
+++ b/src/gamedata/g_mapinfo.cpp
@@ -198,6 +198,14 @@ void G_ClearSnapshots (void)
 	{
 		wadlevelinfos[i].Snapshot.Clean();
 	}
+
+	// Clear current levels' snapshots just in case they are not defined via MAPINFO,
+	// so they were not handled by the loop above
+	if (primaryLevel && primaryLevel->info)
+		primaryLevel->info->Snapshot.Clean();
+	if (currentVMLevel && currentVMLevel->info)
+		currentVMLevel->info->Snapshot.Clean();
+
 	// Since strings are only locked when snapshotting a level, unlock them
 	// all now, since we got rid of all the snapshots that cared about them.
 	GlobalACSStrings.UnlockAll();