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12bf03aa08
I'm refactoring proximity monitors and fields, removing lots of bloat from both that's hardly even used. Proximity monitors no longer generate effect objects to track the surrounding area, should be less cpu expensive and easier to maintain (or phase out), read and use. This PR also adds a couple components which may be needed for future stuff (for starters, the mirror reflection PR #62638 could use the connect_range comp) Improving old old, ugly old code and adding some useful backend components. Tested and working.
44 lines
1.4 KiB
Plaintext
44 lines
1.4 KiB
Plaintext
/// This element hooks a signal onto the loc the current object is on.
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/// When the object moves, it will unhook the signal and rehook it to the new object.
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/datum/element/connect_loc
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element_flags = ELEMENT_BESPOKE
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id_arg_index = 2
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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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/datum/element/connect_loc/Attach(atom/movable/listener, list/connections)
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. = ..()
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if (!istype(listener))
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return ELEMENT_INCOMPATIBLE
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src.connections = connections
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RegisterSignal(listener, COMSIG_MOVABLE_MOVED, .proc/on_moved, override = TRUE)
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update_signals(listener)
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/datum/element/connect_loc/Detach(atom/movable/listener)
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. = ..()
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unregister_signals(listener, listener.loc)
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UnregisterSignal(listener, COMSIG_MOVABLE_MOVED)
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/datum/element/connect_loc/proc/update_signals(atom/movable/listener)
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var/atom/listener_loc = listener.loc
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if(isnull(listener_loc))
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return
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for (var/signal in connections)
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//override=TRUE because more than one connect_loc element instance tracked object can be on the same loc
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listener.RegisterSignal(listener_loc, signal, connections[signal], override=TRUE)
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/datum/element/connect_loc/proc/unregister_signals(datum/listener, atom/old_loc)
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if(isnull(old_loc))
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return
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listener.UnregisterSignal(old_loc, connections)
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/datum/element/connect_loc/proc/on_moved(atom/movable/listener, atom/old_loc)
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SIGNAL_HANDLER
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unregister_signals(listener, old_loc)
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update_signals(listener)
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