mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2026-02-06 14:40:00 +00:00
f5be2c5020
Co-authored-by: Guti <32563288+TheCaramelion@users.noreply.github.com> Co-authored-by: Cameron Lennox <killer65311@gmail.com>
69 lines
2.5 KiB
Plaintext
69 lines
2.5 KiB
Plaintext
/// This component behaves similar to connect_loc_behalf, but it's nested and hooks a signal onto all MOVABLES containing this atom.
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/datum/component/connect_containers
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dupe_mode = COMPONENT_DUPE_SELECTIVE
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/// An assoc list of signal -> procpath to register to the loc this object is on.
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var/list/connections
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/**
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* The atom the component is tracking. The component will delete itself if the tracked is deleted.
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* Signals will also be updated whenever it moves.
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*/
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var/atom/movable/tracked
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/datum/component/connect_containers/Initialize(atom/movable/tracked, list/connections)
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. = ..()
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if (!ismovable(tracked))
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return COMPONENT_INCOMPATIBLE
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src.connections = connections
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set_tracked(tracked)
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/datum/component/connect_containers/Destroy()
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set_tracked(null)
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return ..()
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/datum/component/connect_containers/CheckDupeComponent(datum/component/connect_containers/new_component, atom/movable/tracked, list/connections)
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// Not equivalent. Checks if they are not the same list via shallow comparison.
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if(!compare_list(src.connections, connections))
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return FALSE // Different set of connections.
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if(src.tracked != tracked)
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set_tracked(tracked) // Different target for the same set of connections, track the new target.
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return TRUE // No new component.
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/datum/component/connect_containers/proc/set_tracked(atom/movable/new_tracked)
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if(tracked)
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UnregisterSignal(tracked, list(COMSIG_MOVABLE_MOVED, COMSIG_QDELETING))
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unregister_signals(tracked)
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tracked = new_tracked
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if(!tracked)
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return
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RegisterSignal(tracked, COMSIG_MOVABLE_MOVED, PROC_REF(on_moved))
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RegisterSignal(tracked, COMSIG_QDELETING, PROC_REF(handle_tracked_qdel))
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update_signals(tracked)
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/datum/component/connect_containers/proc/handle_tracked_qdel()
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SIGNAL_HANDLER
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qdel(src)
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/datum/component/connect_containers/proc/update_signals(atom/movable/listener)
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if(!ismovable(listener.loc))
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return
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for(var/atom/movable/container as anything in get_nested_locs(listener))
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RegisterSignal(container, COMSIG_MOVABLE_MOVED, PROC_REF(on_moved))
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for(var/signal in connections)
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parent.RegisterSignal(container, signal, connections[signal])
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/datum/component/connect_containers/proc/unregister_signals(atom/movable/location)
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if(!ismovable(location))
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return
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for(var/atom/movable/target as anything in (get_nested_locs(location) + location))
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UnregisterSignal(target, COMSIG_MOVABLE_MOVED)
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parent.UnregisterSignal(target, connections)
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/datum/component/connect_containers/proc/on_moved(atom/movable/listener, atom/old_loc)
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SIGNAL_HANDLER
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unregister_signals(old_loc)
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update_signals(listener)
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