POLARIS: Adds a 'alter values' proc for plane master ease of tweaking

Setting stuff like colorblindness variety and things.

code/modules/mob/mob_planes.dm

@@ -63,6 +63,17 @@
 		for(var/SP in subplanes)
 			set_vis(which = SP, new_alpha = new_alpha)
 
+/datum/plane_holder/proc/alter_values(var/which = null, var/list/values = null)
+	ASSERT(which)
+	var/obj/screen/plane_master/PM = plane_masters[which]
+	if(!PM)
+		crash_with("Tried to alter [which] in plane_holder on [my_mob]!")
+	PM.alter_plane_values(arglist(values))
+	if(PM.sub_planes)
+		var/list/subplanes = PM.sub_planes
+		for(var/SP in subplanes)
+			alter_values(SP, values)
+
 ////////////////////
 // The Plane Master
 ////////////////////
@@ -103,6 +114,9 @@
 		new_alpha = sanitize_integer(new_alpha, 0, 255, 255)
 		alpha = new_alpha
 
+/obj/screen/plane_master/proc/alter_plane_values()
+	return //Stub
+
 ////////////////////
 // Special masters
 ////////////////////
@@ -162,11 +176,11 @@
 		"Paradise Taj"		= MATRIX_Taj_Colorblind
 		)
 
-/obj/screen/plane_master/colorblindness/proc/set_variety(var/which = null)
-	var/new_type = varieties[which]
-	if(!new_type) return
+/obj/screen/plane_master/colorblindness/alter_plane_values(var/variety = null)
+	var/new_matrix = varieties[variety]
+	if(!new_matrix) return
 
-	color = new_type
+	color = new_matrix
 
 /obj/screen/plane_master/colorblindness/proc/debug_variety()
 	var/choice = input(usr,"Pick a type of colorblindness","Which?") as null|anything in varieties