- SW: clear some pointers before killing actors in TerminateLevel.

KillActor is an in-game function which may produce undefined behavior if being run on a partially deinitialized level.
All actor pointers it may operate upon should be cleared before taking down the actors.cpp

source/common/rendering/hwrenderer/data/hw_dynlightdata.h

@@ -6,7 +6,7 @@
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Lesser General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
+// the Free Software Foundation, either version 2 of the License, or
 // (at your option) any later version.
 //
 // This program is distributed in the hope that it will be useful,

source/games/sw/src/game.cpp

@@ -533,6 +533,12 @@ void TerminateLevel(void)
     // Kill User memory and delete sprites
     SWSpriteIterator it;
     while (auto actor = it.Next())
+    {
+        actor->user.targetActor = nullptr;
+        actor->user.flameActor = nullptr;
+    }
+    it.Reset();
+    while (auto actor = it.Next())
     {
         KillActor(actor);
     }