Glorious /vg/ Lighting Port (#66)

* fuck

* [CANT WAKE UP]

* AAAAAAAAAHHHHHHHHHHHH

* SAAAAVE MEEEEEEEEEEEEEEEE

* this is so bad how can i even call myself a coder

* thanks fam

* hello darkness my old friend

i've come to talk with you again

* ugh go away

* OH

* much less broken

* ayy

* aaaaa

* OH YEAAAAAAAAHHHHHHHHHHH

* aaaa

* k

* dfgjtxkytkjyd

* debug

* dangerously cheesy

* mm

* OH YEAAAAAAAAAAAAAAAAAAAAAAAAAA

* oH YEAH

* Some final touches and cleanup of the lighting port.

* One more

* More fixes.

* varedit hack for easy modification

* fixed

* C O L O R

* slym

* fffff

* oh great what the fuck is wrong now

* Revert "oh great what the fuck is wrong now"

This reverts commit e589ad51facb5464e107ca515317d41136dd1e5e.

* fu

* will it blend

* aaaaaaaaaaaaaaaaaaaa

* this is why im bad at porting

falalalala, lala la la

* k

* yeh

* can't forget majestic fire

code/modules/lighting/lighting_setup.dm

@@ -0,0 +1,17 @@
+/proc/create_all_lighting_overlays()
+	for (var/zlevel = 1 to world.maxz)
+		create_lighting_overlays_zlevel(zlevel)
+
+
+/proc/create_lighting_overlays_zlevel(var/zlevel)
+	ASSERT(zlevel)
+
+	for (var/turf/T in block(locate(1, 1, zlevel), locate(world.maxx, world.maxy, zlevel)))
+		if (!IS_DYNAMIC_LIGHTING(T))
+			continue
+
+		var/area/A = T.loc
+		if (!IS_DYNAMIC_LIGHTING(A))
+			continue
+
+		PoolOrNew(/atom/movable/lighting_overlay, list(T, TRUE))