Working on the night mode

src/Game.h

@@ -52,6 +52,9 @@ namespace ZL {
 		// Returns false if a transition is already in progress.
 		bool startDarklandsTransition();
 
+		// Global night mode state — persists across location transitions.
+		bool isNight = false;
+
 		Inventory inventory;
 		InteractiveObject* pickedUpObject = nullptr;