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33 lines
711 B
Plaintext
33 lines
711 B
Plaintext
/datum
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var/weakref/weakref
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/datum/Destroy()
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weakref = null // Clear this reference to ensure it's kept for as brief duration as possible.
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. = ..()
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//obtain a weak reference to a datum
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/proc/weakref(datum/D)
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if(!istype(D))
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return
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if(QDELETED(D))
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return
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if(!D.weakref)
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D.weakref = new/weakref(D)
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return D.weakref
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/weakref
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var/ref
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/weakref/New(datum/D)
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ref = "\ref[D]"
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/weakref/Destroy()
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// A weakref datum should not be manually destroyed as it is a shared resource,
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// rather it should be automatically collected by the BYOND GC when all references are gone.
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return QDEL_HINT_LETMELIVE
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/weakref/proc/resolve()
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var/datum/D = locate(ref)
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if(D && D.weakref == src)
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return D
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return null |