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https://github.com/CHOMPStation2/CHOMPStation2.git
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37 lines
1.1 KiB
Plaintext
37 lines
1.1 KiB
Plaintext
/**
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* Simple conflict checking for getting number of conflicting things on someone with the same ID.
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*/
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/datum/element/conflict_checking
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element_flags = ELEMENT_BESPOKE | ELEMENT_DETACH_ON_HOST_DESTROY
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argument_hash_start_idx = 1
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/// we don't need to KNOW who has us, only our ID.
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var/id
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/datum/element/conflict_checking/Attach(datum/target, id)
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. = ..()
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if(. & ELEMENT_INCOMPATIBLE)
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return
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if(!isatom(target))
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return ELEMENT_INCOMPATIBLE
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if(!length(id))
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. = ELEMENT_INCOMPATIBLE
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CRASH("Invalid ID in conflict checking element.")
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if(isnull(src.id))
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src.id = id
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RegisterSignal(target, COMSIG_CONFLICT_ELEMENT_CHECK, PROC_REF(check))
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/datum/element/conflict_checking/proc/check(datum/source, id_to_check)
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SIGNAL_HANDLER
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if(id == id_to_check)
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return ELEMENT_CONFLICT_FOUND
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/**
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* Counts number of conflicts on something that have a conflict checking element.
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*/
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/atom/proc/ConflictElementCount(id)
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. = 0
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for(var/i in GetAllContents())
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var/atom/movable/AM = i
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if(SEND_SIGNAL(AM, COMSIG_CONFLICT_ELEMENT_CHECK, id) & ELEMENT_CONFLICT_FOUND)
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++.
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