Additional Work on NIFs

Squashed commits:

[9563a9a] All the stuff I forgot to commit

code/game/objects/items/devices/flash.dm

@@ -81,7 +81,15 @@
 	playsound(src.loc, 'sound/weapons/flash.ogg', 100, 1)
 	var/flashfail = 0
 
-	if(iscarbon(M))
+	//VOREStation Add - NIF
+	if(ishuman(M))
+		var/mob/living/carbon/human/H = M
+		if(H.nif && H.nif.flag_check(NIF_V_FLASHPROT,NIF_FLAGS_VISION))
+			flashfail = 1
+			H.nif.notify("High intensity light detected, and blocked!",TRUE)
+	//VOREStation Add End
+
+	if(iscarbon(M) && !flashfail) //VOREStation Add - NIF
 		var/mob/living/carbon/C = M
 		if(C.stat != DEAD)
 			var/safety = C.eyecheck()

code/game/objects/items/weapons/tools.dm

@@ -376,6 +376,7 @@
 		var/obj/item/organ/internal/eyes/E = H.internal_organs_by_name[O_EYES]
 		if(!E)
 			return
+		if(H.nif && H.nif.flag_check(NIF_V_UVFILTER,NIF_FLAGS_VISION)) return //VOREStation Add - NIF
 		switch(safety)
 			if(1)
 				usr << "<span class='warning'>Your eyes sting a little.</span>"