[MIRROR] Point Refactor (#10233)

Co-authored-by: Guti <32563288+TheCaramelion@users.noreply.github.com>
Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/game/atoms.dm

@@ -56,6 +56,9 @@
 	 * its inherent color, the colored paint applied on it, special color effect etc...
 	 */
 	var/list/atom_colours
+	/// Lazylist of all images to update when we change z levels
+	/// You will need to manage adding/removing from this yourself, but I'll do the updating for you
+	var/list/image/update_on_z
 
 /atom/New(loc, ...)
 	// Don't call ..() unless /datum/New() ever exists

code/game/atoms_movable.dm

@@ -657,3 +657,9 @@
 	cut_overlay(source)
 	if(em_block == source)
 		em_block = null
+
+/atom/movable/proc/abstract_move(atom/new_loc)
+	var/atom/old_loc = loc
+	var/direction = get_dir(old_loc, new_loc)
+	loc = new_loc
+	Moved(old_loc, direction, TRUE)

code/game/atoms_movable_ch.dm

@@ -60,9 +60,3 @@
 
 /atom/movable/proc/show_message(msg, type, alt, alt_type)//Message, type of message (1 or 2), alternative message, alt message type (1 or 2)
 	return
-
-/atom/movable/proc/abstract_move(atom/new_loc)
-	var/atom/old_loc = loc
-	var/direction = get_dir(old_loc, new_loc)
-	loc = new_loc
-	Moved(old_loc, direction, TRUE)