yeah (#22819)

code/__DEFINES/dcs/signals/signals_mob/signals_mob.dm

@@ -134,6 +134,8 @@
 ///from base of /mob/living/start_pulling: (atom/movable/AM, state, force)
 #define COMSIG_MOB_PULL "mob_pull"
 	#define COMPONENT_BLOCK_PULL (1<<0) // blocks pulling
+///from base of /obj/item/pickup: (obj/item/item)
+#define COMSIG_MOB_PICKUP_ITEM "mob_pickup_item"
 ///Mob is trying to open the wires of a target [/atom], from /datum/wires/interactable(): (atom/target)
 #define COMSIG_TRY_WIRES_INTERACT "try_wires_interact"
 	#define COMPONENT_CANT_INTERACT_WIRES (1<<0)

code/__HELPERS/mobs.dm

@@ -333,21 +333,12 @@ GLOBAL_LIST_EMPTY(species_list)
 			return
 		LAZYSET(user.do_afters, interaction_key, current_interaction_count + 1)
 
-	var/atom/user_loc = user.loc
-	var/atom/target_loc = target?.loc
-
-	var/drifting = FALSE
-	if(!user.Process_Spacemove() && user.inertia_dir)
-		drifting = TRUE
-
-	var/holding = user.get_active_held_item()
-
 	if(!(timed_action_flags & IGNORE_SLOWDOWNS))
 		delay *= user.action_speed_modifier * user.do_after_coefficent() //yogs: darkspawn
 
 	var/datum/progressbar/progbar
 	if(progress)
-		progbar = new(user, delay, target || user)
+		progbar = new(user, delay, target || user, timed_action_flags, extra_checks)
 
 	SEND_SIGNAL(user, COMSIG_DO_AFTER_BEGAN)
 
@@ -357,24 +348,7 @@ GLOBAL_LIST_EMPTY(species_list)
 	while (world.time < endtime)
 		stoplag(1)
 
-		if(!QDELETED(progbar))
-			progbar.update(world.time - starttime)
-
-		if(drifting && !user.inertia_dir)
-			drifting = FALSE
-			user_loc = user.loc
-
-		if(QDELETED(user) \
-			|| (!(timed_action_flags & IGNORE_USER_LOC_CHANGE) && !drifting && user.loc != user_loc) \
-			|| (!(timed_action_flags & IGNORE_HELD_ITEM) && user.get_active_held_item() != holding) \
-			|| (!(timed_action_flags & IGNORE_INCAPACITATED) && HAS_TRAIT(user, TRAIT_INCAPACITATED)) \
-			|| (extra_checks && !extra_checks.Invoke()))
-			. = FALSE
-			break
-
-		if(target && (user != target) && \
-			(QDELETED(target) \
-			|| (!(timed_action_flags & IGNORE_TARGET_LOC_CHANGE) && target.loc != target_loc)))
+		if(QDELETED(progbar) || !progbar.update(world.time - starttime))
 			. = FALSE
 			break
 

code/datums/progressbar.dm

@@ -10,15 +10,19 @@
 	var/mob/user
 	///The client seeing the progress bar.
 	var/client/user_client
+	///Extra checks for whether to stop the progress.
+	var/datum/callback/extra_checks
 	///Effectively the number of steps the progress bar will need to do before reaching completion.
 	var/goal = 1
 	///Control check to see if the progress was interrupted before reaching its goal.
 	var/last_progress = 0
 	///Variable to ensure smooth visual stacking on multiple progress bars.
 	var/listindex = 0
+	///Whether progress has already been ended.
+	var/progress_ended = FALSE
 
 
-/datum/progressbar/New(mob/User, goal_number, atom/target)
+/datum/progressbar/New(mob/User, goal_number, atom/target, timed_action_flags = NONE)
 	. = ..()
 	if (!istype(target))
 		stack_trace("Invalid target [target] passed in")
@@ -50,6 +54,23 @@
 	RegisterSignal(user, COMSIG_QDELETING, PROC_REF(on_user_delete))
 	RegisterSignal(user, COMSIG_MOB_LOGOUT, PROC_REF(clean_user_client))
 	RegisterSignal(user, COMSIG_MOB_LOGIN, PROC_REF(on_user_login))
+	if(!(timed_action_flags & IGNORE_USER_LOC_CHANGE))
+		RegisterSignal(user, COMSIG_MOVABLE_MOVED, PROC_REF(on_moved))
+		var/obj/mecha/mech = user.loc
+		if(ismecha(user.loc) && user == mech.occupant)
+			RegisterSignal(mech, COMSIG_MOVABLE_MOVED, PROC_REF(on_moved))
+	if(!(timed_action_flags & IGNORE_TARGET_LOC_CHANGE))
+		RegisterSignal(target, COMSIG_MOVABLE_MOVED, PROC_REF(on_moved))
+	if(!(timed_action_flags & IGNORE_HELD_ITEM))
+		var/obj/item/held = user.get_active_held_item()
+		if(held)
+			RegisterSignal(held, COMSIG_ITEM_EQUIPPED, PROC_REF(end_progress))
+			RegisterSignal(held, COMSIG_ITEM_DROPPED, PROC_REF(end_progress))
+		else
+			RegisterSignal(user, COMSIG_MOB_PICKUP_ITEM, PROC_REF(end_progress))
+		RegisterSignal(user, COMSIG_MOB_SWAPPING_HANDS, PROC_REF(end_progress))
+	if(!(timed_action_flags & IGNORE_INCAPACITATED))
+		RegisterSignal(user, SIGNAL_ADDTRAIT(TRAIT_INCAPACITATED), PROC_REF(end_progress))
 
 
 /datum/progressbar/Destroy()
@@ -121,22 +142,38 @@
 
 ///Updates the progress bar image visually.
 /datum/progressbar/proc/update(progress)
+	if(progress_ended)
+		return FALSE
 	progress = clamp(progress, 0, goal)
 	if(progress == last_progress)
-		return
+		return FALSE
 	last_progress = progress
+	if(extra_checks && !extra_checks.Invoke())
+		return FALSE
 	bar.icon_state = "prog_bar_[round(((progress / goal) * 100), 5)]"
+	return TRUE
 
 
 ///Called on progress end, be it successful or a failure. Wraps up things to delete the datum and bar.
 /datum/progressbar/proc/end_progress()
+	if(progress_ended)
+		return
+	progress_ended = TRUE
+
 	if(last_progress != goal)
 		bar.icon_state = "[bar.icon_state]_fail"
 
 	animate(bar, alpha = 0, time = PROGRESSBAR_ANIMATION_TIME)
 
 	QDEL_IN(src, PROGRESSBAR_ANIMATION_TIME)
 
+/datum/progressbar/proc/on_moved(atom/movable/mover, atom/old_loc, movement_dir, forced, list/old_locs, momentum_change, interrupting)
+	SIGNAL_HANDLER
+	if(!interrupting)
+		return
+	if(!mover.Process_Spacemove() && mover.inertia_dir)
+		return
+	INVOKE_ASYNC(src, PROC_REF(end_progress))
 
 #undef PROGRESSBAR_ANIMATION_TIME
 #undef PROGRESSBAR_HEIGHT

code/game/atoms_movable.dm

@@ -743,8 +743,9 @@
  * * The forced flag indicates whether this was a forced move, which skips many checks of regular movement.
  * * The old_locs is an optional argument, in case the moved movable was present in multiple locations before the movement.
  * * momentum_change represents whether this movement is due to a "new" force if TRUE or an already "existing" force if FALSE
+ * * interrupting will cancel any do_after progress bars that should be canceled by moving.
  **/
-/atom/movable/proc/Moved(atom/old_loc, movement_dir, forced, list/old_locs, momentum_change = TRUE)
+/atom/movable/proc/Moved(atom/old_loc, movement_dir, forced, list/old_locs, momentum_change = TRUE, interrupting = TRUE)
 	SHOULD_CALL_PARENT(TRUE)
 
 	if (!inertia_moving && momentum_change)
@@ -755,7 +756,7 @@
 	if (!moving_diagonally && client_mobs_in_contents)
 		update_parallax_contents()
 
-	SEND_SIGNAL(src, COMSIG_MOVABLE_MOVED, old_loc, movement_dir, forced, old_locs, momentum_change)
+	SEND_SIGNAL(src, COMSIG_MOVABLE_MOVED, old_loc, movement_dir, forced, old_locs, momentum_change, interrupting)
 
 	if(old_loc)
 		SEND_SIGNAL(old_loc, COMSIG_ATOM_ABSTRACT_EXITED, src, movement_dir)

code/game/mecha/equipment/mecha_equipment.dm

@@ -148,7 +148,7 @@
 	if(!chassis)
 		return FALSE
 	set_ready_state(FALSE)
-	. = do_after(chassis.occupant, equip_cooldown * check_eva(), target, extra_checks = CALLBACK(src, PROC_REF(do_after_checks), target, chassis.loc))
+	. = do_after(chassis.occupant, equip_cooldown * check_eva(), target, extra_checks = CALLBACK(src, PROC_REF(do_after_checks), target))
 	set_ready_state(TRUE)
 	if(!.)
 		return
@@ -158,16 +158,14 @@
 /obj/item/mecha_parts/mecha_equipment/proc/do_after_mecha(atom/target, delay)
 	if(!chassis)
 		return
-	return do_after(chassis.occupant, delay * check_eva(), target, extra_checks = CALLBACK(src, PROC_REF(do_after_checks), target, chassis.loc))
+	return do_after(chassis.occupant, delay * check_eva(), target, extra_checks = CALLBACK(src, PROC_REF(do_after_checks), target))
 
-/obj/item/mecha_parts/mecha_equipment/proc/do_after_checks(atom/target, atom/old_loc)
+/obj/item/mecha_parts/mecha_equipment/proc/do_after_checks(atom/target)
 	if(!chassis)
 		return FALSE
-	if(chassis.loc != old_loc || chassis.inertia_dir)
-		return FALSE
 	if(src != chassis.selected)
 		return FALSE
-	if(!(chassis.omnidirectional_attacks || (get_dir(chassis, target) & chassis.dir)))
+	if(target && !(chassis.omnidirectional_attacks || (get_dir(chassis, target) & chassis.dir)))
 		return FALSE
 	return TRUE
 

code/game/objects/items.dm

@@ -537,6 +537,7 @@ GLOBAL_VAR_INIT(rpg_loot_items, FALSE)
 /obj/item/proc/pickup(mob/user)
 	SHOULD_CALL_PARENT(TRUE)
 	SEND_SIGNAL(src, COMSIG_ITEM_PICKUP, user)
+	SEND_SIGNAL(user, COMSIG_MOB_PICKUP_ITEM, src)
 	item_flags |= IN_INVENTORY
 
 // called when "found" in pockets and storage items. Returns 1 if the search should end.

code/modules/modular_computers/computers/item/computer.dm

@@ -656,8 +656,8 @@
 	. = ..()
 	UnregisterSignal(user, COMSIG_MOVABLE_MOVED)
 
-/obj/item/modular_computer/proc/parent_moved()
-	SEND_SIGNAL(src, COMSIG_MOVABLE_MOVED)
+/obj/item/modular_computer/proc/parent_moved(datum/source, atom/old_loc, movement_dir, forced, list/old_locs, momentum_change = TRUE, interrupting = TRUE)
+	SEND_SIGNAL(src, COMSIG_MOVABLE_MOVED, old_loc, movement_dir, forced, old_locs, momentum_change, interrupting)
 
 /obj/item/modular_computer/proc/uplink_check(mob/living/M, code)
 	return SEND_SIGNAL(src, COMSIG_NTOS_CHANGE_RINGTONE, M, code) & COMPONENT_STOP_RINGTONE_CHANGE