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20 lines
501 B
Plaintext
20 lines
501 B
Plaintext
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/proc/WEAKREF(datum/input)
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if(istype(input) && !QDELETED(input))
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if(!input.weak_reference)
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input.weak_reference = new /datum/weakref(input)
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return input.weak_reference
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/datum/weakref
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var/reference
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/datum/weakref/New(datum/thing)
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reference = REF(thing)
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/datum/weakref/Destroy()
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return QDEL_HINT_LETMELIVE //Let BYOND autoGC thiswhen nothing is using it anymore.
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/datum/weakref/proc/resolve()
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var/datum/D = locate(reference)
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return (!QDELETED(D) && D.weak_reference == src) ? D : null
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