support background type: night

source/state/level.py

@@ -32,6 +32,7 @@ class Level(tool.State):
     
     def setupBackground(self):
         img_index = self.map_data[c.BACKGROUND_TYPE]
+        self.background_type = img_index
         self.background = tool.GFX[c.BACKGROUND_NAME][img_index]
         self.bg_rect = self.background.get_rect()
 
@@ -91,7 +92,10 @@ class Level(tool.State):
         self.drag_plant = False
         self.hint_image = None
         self.hint_plant = False
+        if self.background_type == c.BACKGROUND_DAY:
             self.produce_sun = True
+        else:
+            self.produce_sun = False
         self.sun_timer = self.current_time
 
         self.removeMouseImage()