mirror of
https://github.com/CHOMPStation2/CHOMPStation2.git
synced 2025-12-10 02:09:41 +00:00
66e9d9cfdf
Inspired by https://github.com/tgstation/tgstation/pull/29636 Also consolidated some sideways overridden /datum/Delete() here to reduce proc-call overhead.
26 lines
559 B
Plaintext
26 lines
559 B
Plaintext
//obtain a weak reference to a datum
|
|
/proc/weakref(datum/D)
|
|
if(!istype(D))
|
|
return
|
|
if(QDELETED(D))
|
|
return
|
|
if(!D.weakref)
|
|
D.weakref = new/weakref(D)
|
|
return D.weakref
|
|
|
|
/weakref
|
|
var/ref
|
|
|
|
/weakref/New(datum/D)
|
|
ref = "\ref[D]"
|
|
|
|
/weakref/Destroy()
|
|
// A weakref datum should not be manually destroyed as it is a shared resource,
|
|
// rather it should be automatically collected by the BYOND GC when all references are gone.
|
|
return QDEL_HINT_LETMELIVE
|
|
|
|
/weakref/proc/resolve()
|
|
var/datum/D = locate(ref)
|
|
if(D && D.weakref == src)
|
|
return D
|
|
return null |