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645b90d34a
Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com> Co-authored-by: Tom <8881105+tf-4@users.noreply.github.com> Co-authored-by: Gandalf <jzo123@hotmail.com>
79 lines
3.0 KiB
Plaintext
79 lines
3.0 KiB
Plaintext
/datum/proximity_monitor
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///The atom we are tracking
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var/atom/host
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///The atom that will receive HasProximity calls.
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var/atom/hasprox_receiver
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///The range of the proximity monitor. Things moving wihin it will trigger HasProximity calls.
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var/current_range
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///If we don't check turfs in range if the host's loc isn't a turf
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var/ignore_if_not_on_turf
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///The signals of the connect range component, needed to monitor the turfs in range.
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var/static/list/loc_connections = list(
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COMSIG_ATOM_ENTERED = .proc/on_entered,
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COMSIG_ATOM_EXITED =.proc/on_uncrossed,
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)
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/datum/proximity_monitor/New(atom/_host, range, _ignore_if_not_on_turf = TRUE)
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ignore_if_not_on_turf = _ignore_if_not_on_turf
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current_range = range
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set_host(_host)
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/datum/proximity_monitor/proc/set_host(atom/new_host, atom/new_receiver)
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if(new_host == host)
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return
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if(host) //No need to delete the connect range and containers comps. They'll be updated with the new tracked host.
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UnregisterSignal(host, list(COMSIG_MOVABLE_MOVED, COMSIG_PARENT_QDELETING))
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if(hasprox_receiver)
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UnregisterSignal(hasprox_receiver, COMSIG_PARENT_QDELETING)
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if(new_receiver)
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hasprox_receiver = new_receiver
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if(new_receiver != new_host)
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RegisterSignal(new_receiver, COMSIG_PARENT_QDELETING, .proc/on_host_or_receiver_del)
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else if(hasprox_receiver == host) //Default case
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hasprox_receiver = new_host
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host = new_host
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RegisterSignal(new_host, COMSIG_PARENT_QDELETING, .proc/on_host_or_receiver_del)
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var/static/list/containers_connections = list(COMSIG_MOVABLE_MOVED = .proc/on_moved)
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AddComponent(/datum/component/connect_containers, host, containers_connections)
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RegisterSignal(host, COMSIG_MOVABLE_MOVED, .proc/on_moved)
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set_range(current_range, TRUE)
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/datum/proximity_monitor/proc/on_host_or_receiver_del(datum/source)
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SIGNAL_HANDLER
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qdel(src)
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/datum/proximity_monitor/Destroy()
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host = null
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hasprox_receiver = null
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return ..()
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/datum/proximity_monitor/proc/set_range(range, force_rebuild = FALSE)
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if(!force_rebuild && range == current_range)
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return FALSE
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. = TRUE
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current_range = range
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//If the connect_range component exists already, this will just update its range. No errors or duplicates.
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AddComponent(/datum/component/connect_range, host, loc_connections, range, !ignore_if_not_on_turf)
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/datum/proximity_monitor/proc/on_moved(atom/movable/source, atom/old_loc)
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SIGNAL_HANDLER
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if(source == host)
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hasprox_receiver?.HasProximity(host)
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/datum/proximity_monitor/proc/set_ignore_if_not_on_turf(does_ignore = TRUE)
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if(ignore_if_not_on_turf == does_ignore)
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return
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ignore_if_not_on_turf = does_ignore
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//Update the ignore_if_not_on_turf
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AddComponent(/datum/component/connect_range, host, loc_connections, current_range, ignore_if_not_on_turf)
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/datum/proximity_monitor/proc/on_uncrossed()
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SIGNAL_HANDLER
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return //Used by the advanced subtype for effect fields.
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/datum/proximity_monitor/proc/on_entered(atom/source, atom/movable/arrived)
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SIGNAL_HANDLER
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if(source != host)
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hasprox_receiver?.HasProximity(arrived)
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