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210ba5c571
* lint some inventory procs * lineends * f * line end * lineend * fuck * changes per review
43 lines
1.4 KiB
Plaintext
43 lines
1.4 KiB
Plaintext
/**
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* A holder for simple behaviour that can be attached to many different types
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*
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* Only one element of each type is instanced during game init.
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* Otherwise acts basically like a lightweight component.
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*/
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/datum/element
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/// Option flags for element behaviour
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var/element_flags = NONE
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/// Activates the functionality defined by the element on the given target datum
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/datum/element/proc/Attach(datum/target)
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SHOULD_CALL_PARENT(TRUE)
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if(type == /datum/element)
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return ELEMENT_INCOMPATIBLE
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if(element_flags & ELEMENT_DETACH)
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RegisterSignal(target, COMSIG_PARENT_QDELETING, .proc/Detach)
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/// Deactivates the functionality defines by the element on the given datum
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/datum/element/proc/Detach(datum/source, force)
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SHOULD_CALL_PARENT(TRUE)
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UnregisterSignal(source, COMSIG_PARENT_QDELETING)
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/datum/element/Destroy(force)
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if(!force)
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return QDEL_HINT_LETMELIVE
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SSdcs.elements_by_type -= type
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return ..()
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//DATUM PROCS
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/// Finds the singleton for the element type given and attaches it to src
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/datum/proc/AddElement(eletype, ...)
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var/datum/element/ele = SSdcs.GetElement(eletype)
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args[1] = src
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if(ele.Attach(arglist(args)) == ELEMENT_INCOMPATIBLE)
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CRASH("Incompatible [eletype] assigned to a [type]! args: [json_encode(args)]")
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/// Finds the singleton for the element type given and detaches it from src
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/datum/proc/RemoveElement(eletype)
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var/datum/element/ele = SSdcs.GetElement(eletype)
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ele.Detach(src)
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