moved lighting check from world object to quadtree object, where it should be now

chunk.py

@@ -550,7 +550,7 @@ class ChunkRenderer(object):
         if not img:
             img = Image.new("RGBA", (384, 1728), (38,92,255,0))
 
-        if self.world.lighting:
+        if self.quadtree.lighting:
             c_overviewer.render_loop_lighting(self, img, xoff, yoff, blockData_expanded)
         else:
             c_overviewer.render_loop(self, img, xoff, yoff, blockData_expanded)

overviewer.py

@@ -157,7 +157,7 @@ def main():
         logging.info("Notice: Not using biome data for tinting")
 
     # First do world-level preprocessing
-    w = world.World(worlddir, useBiomeData=useBiomeData, lighting=options.lighting)
+    w = world.World(worlddir, useBiomeData=useBiomeData)
     w.go(options.procs)
 
     # create the quadtrees

world.py

@@ -67,10 +67,9 @@ class World(object):
 
     mincol = maxcol = minrow = maxrow = 0
     
-    def __init__(self, worlddir, useBiomeData=False,regionlist=None, lighting=False):
+    def __init__(self, worlddir, useBiomeData=False,regionlist=None):
         self.worlddir = worlddir
         self.useBiomeData = useBiomeData
-        self.lighting = lighting
 
         #find region files, or load the region list
         #this also caches all the region file header info