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- /**
- * # Speech Component
- *
- * Sends a message. Requires a shell.
- */
- /obj/item/circuit_component/pathfind
- display_name = "Pathfinder"
- display_desc = "Calcualtes a path, returns a list of entities. Each entity is the next step in the path. Can be used with the direction component to move."
- circuit_flags = CIRCUIT_FLAG_INPUT_SIGNAL|CIRCUIT_FLAG_OUTPUT_SIGNAL
- var/datum/port/input/target_X
- var/datum/port/input/target_Y
- var/datum/port/output/output
- var/datum/port/output/on_fail
- /obj/item/circuit_component/pathfind/Initialize()
- . = ..()
- target_X = add_input_port("X", PORT_TYPE_NUMBER, FALSE)
- target_Y = add_input_port("Y", PORT_TYPE_NUMBER, FALSE)
- output = add_output_port("Output", PORT_TYPE_LIST)
- on_fail = add_output_port("Failed", PORT_TYPE_SIGNAL)
- /obj/item/circuit_component/pathfind/Destroy()
- target_X = null
- target_Y = null
- output = null
- on_fail = null
- return ..()
- /obj/item/circuit_component/pathfind/input_received(datum/port/input/port)
- . = ..()
- if(.)
- return
- if(isnull(target_X))
- return
- if(isnull(target_Y))
- return
- var/atom/movable/shell = parent.shell
- var/turf/currentpos = get_turf(shell)
- var/turf/destination = locate(target_X, target_Y, currentpos.z)
- var/list/path = get_path_to(shell, destination)
- if(!length(path))
- on_fail.set_output(COMPONENT_SIGNAL)
- return
- else
- output.set_output(path)
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