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https://github.com/Bubberstation/Bubberstation.git
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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>
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_UNIQUE_PASSARGS
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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/InheritComponent(datum/component/component, original, 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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stack_trace("connect_containers component attached to [parent] tried to inherit another connect_containers component with different connections")
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return
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if(src.tracked != tracked)
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set_tracked(tracked)
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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_PARENT_QDELETING))
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unregister_signals(tracked.loc)
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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/on_moved)
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RegisterSignal(tracked, COMSIG_PARENT_QDELETING, .proc/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/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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