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Polaris/code/_helpers/view.dm

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/proc/getviewsize(view)
var/viewX
var/viewY
if(isnum(view))
var/totalviewrange = 1 + 2 * view
viewX = totalviewrange
viewY = totalviewrange
else
var/list/viewrangelist = splittext(view,"x")
viewX = text2num(viewrangelist[1])
viewY = text2num(viewrangelist[2])
return list(viewX, viewY)
// Used to get `atom/O as obj|mob|turf in view()` to match against strings containing apostrophes immediately after substrings that match to other objects. Somehow. - Ater
/proc/_validate_atom(atom/A)
return view()