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/datum/ai_movement/ventcrawl
max_pathing_attempts = 10
update_moveloop_delay = FALSE
/datum/ai_movement/ventcrawl/start_moving_towards(datum/ai_controller/controller, atom/current_movement_target, min_distance)
. = ..()
var/atom/movable/moving = controller.pawn
// var/delay = controller.movement_delay / 4 // mobs typically move a lot faster in pipes, so divide by 3
var/delay = controller.blackboard[BB_VENTCRAWL_DELAY] || 1 // mobs typically move a lot faster in pipes
var/datum/move_loop/loop = GLOB.move_manager.ventcrawl(moving, current_movement_target, delay, skip_first = TRUE, subsystem = SSai_movement, extra_info = controller)
RegisterSignal(loop, COMSIG_MOVELOOP_PREPROCESS_CHECK, PROC_REF(pre_move))
RegisterSignal(loop, COMSIG_MOVELOOP_POSTPROCESS, PROC_REF(post_move))
/datum/ai_movement/ventcrawl/allowed_to_move(datum/move_loop/has_target/ventcrawl/source)
// maybe check if the tile it would move it into make it exit the ventcrawling?? Probably a good idea since it can get sabo'd
// this check will do for now.
if(!length(source.movement_path))
return FALSE
var/atom/A = source.movement_path[1]
return !QDELETED(A)
/datum/ai_movement/ventcrawl/increment_pathing_failures(datum/ai_controller/controller)
. = ..()
var/obj/machinery/atmospherics/exit = controller.blackboard[BB_VENTCRAWL_EXIT]
var/datum/pipeline/exit_pipeline = exit?.returnPipenet()
var/obj/machinery/atmospherics/current = controller.pawn.loc
// We're no longer in pipes. Cease trying to navigate pipes.
if(!istype(current))
complete_ventcrawl(controller)
return
if(current?.returnPipenet() in exit_pipeline?.get_connected_pipelines()) // they're still connected... let it try to find another route.
return
// they're not connected, give us another chance to find a way out.
complete_ventcrawl(controller)
/datum/ai_movement/ventcrawl/proc/complete_ventcrawl(datum/ai_controller/controller)
controller.set_blackboard_key(BB_VENTCRAWL_ENTRANCE, null)
controller.set_blackboard_key(BB_VENTCRAWL_EXIT, null)
controller.cancel_actions()