- use an array to store the buttons.

This puts a lot less knowledge about the game's features into the low level code.

src/g_level.cpp

@@ -1053,7 +1053,7 @@ void G_DoLoadLevel(const FString &nextmapname, int position, bool autosave, bool
 	gameaction = ga_nothing;
 
 	// clear cmd building stuff
-	ResetButtonStates();
+	buttonMap.ResetButtonStates();
 
 	SendItemUse = nullptr;
 	SendItemDrop = nullptr;