overhauls rendering + redoes some of widescreen/dynamic sizing + misc fixes (#4668)

Co-authored-by: VM_USER <VM_USER>

code/modules/client/verbs/ooc.dm

@@ -235,49 +235,3 @@
 	if(eyeobj)
 		return eyeobj
 	return src
-
-/client/verb/fit_viewport()
-	set name = "Fit Viewport"
-	set category = "OOC"
-	set desc = "Fit the width of the map window to match the viewport"
-
-	// Fetch the client's aspect ratio
-	var/view_size = getviewsize(view)
-	var/aspect_ratio = view_size[1] / view_size[2]
-
-	// Calculate desired pixel width using window size and aspect ratio
-	var/sizes = params2list(winget(src, "mainwindow.split;mapwindow", "size"))
-	var/map_size = splittext(sizes["mapwindow.size"], "x")
-	var/height = text2num(map_size[2])
-	var/desired_width = round(height * aspect_ratio)
-	if (text2num(map_size[1]) == desired_width)
-		return	// You're already good fam.
-
-	var/split_size = splittext(sizes["mainwindow.split.size"], "x")
-	var/split_width = text2num(split_size[1])
-
-	// Calculate and apply our best estimate
-	// +4 pixels are for the eidth of the splitter's handle
-	var/pct = 100 * (desired_width + 4) / split_width
-	winset(src, "mainwindow.split", "splitter=[pct]")
-
-	// Apply an ever-lowering offset until we finish or fail
-	var/delta
-	for(var/safety in 1 to 10)
-		var/after_size = winget(src, "mapwindow", "size")
-		map_size = splittext(after_size, "x")
-		var/got_width = text2num(map_size[1])
-
-		if (got_width == desired_width)
-			return	// Success!
-
-		// Calculate a probable delta value based on the diff
-		else if (isnull(delta))
-			delta = 100 * (desired_width - got_width) / split_width
-
-		// If we overshot, halve the delta and reverse direction
-		else if ((delta > 0 && got_width > desired_width) || (delta < 0 && got_width < desired_width))
-			delta = -delta/2
-
-		pct += delta
-		winset(src, "mainwindow.split", "splitter=[pct]")