/// Requires absolute stillness from the user
#define DO_AFTER_DISALLOW_MOVING_ABSOLUTE_USER		(1<<0)
/// Requires absolute stillness from the target
#define DO_AFTER_DISALLOW_MOVING_ABSOLUTE_TARGET	(1<<1)
/// Requires that the user is on a turf.
#define DO_AFTER_REQUIRES_USER_ON_TURF				(1<<2)
/// Requires relative stillness to our target via dx and dy coordinate difference but only if both are spacedrifting. Specify DO_AFTER_ALLOW_NONSPACEDRIFT_RELATIVITY to say otherwise.
#define DO_AFTER_DISALLOW_MOVING_RELATIVE			(1<<3)
/// Breaks if active hand item changes. Requires a tool be specified, otherwise defaults to active item
#define DO_AFTER_DISALLOW_ACTIVE_ITEM_CHANGE		(1<<4)
/// Breaks if the user has no free hands. If a tool is specified, allows that as well.
#define DO_AFTER_REQUIRE_FREE_HAND_OR_TOOL			(1<<5)
/// Do not display progressbar.
#define DO_AFTER_NO_PROGRESSBAR						(1<<6)
/// Do not check do_after_coefficient()
#define DO_AFTER_NO_COEFFICIENT						(1<<7)
/// For relative stillness, allow non spacedrift relative movement
#define DO_AFTER_ALLOW_NONSPACEDRIFT_RELATIVITY		(1<<8)

/// Ignores checks.
#define DO_AFTER_PROCEED		"PROCEED"
/// Uses all other checks
#define DO_AFTER_CONTINUE		"CONTINUE"
/// Breaks
#define DO_AFTER_STOP			"STOP"

/// Stage - initiating a do_after
#define DO_AFTER_STARTING 1
/// Stage - main loop of a do_after
#define DO_AFTER_PROGRESSING 2
/// Stage - Last check of a do_after
#define DO_AFTER_FINISHING 3