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4970f36e37
* Basic drones * Diffs * Diffs * Modular * Modular --------- Co-authored-by: lizardqueenlexi <105025397+lizardqueenlexi@users.noreply.github.com> Co-authored-by: Giz <13398309+vinylspiders@users.noreply.github.com>
76 lines
2.5 KiB
Plaintext
76 lines
2.5 KiB
Plaintext
/** Holder Loving Component
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*
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* This component is assigned to an [/obj/item], and also keeps track of a [holder].
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* The [parent] is 'bound' to [holder]. [parent] will be kept either directly
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* inside [holder], or in the inventory of a [/mob] that is itself holding [holder].
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*
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* If [parent] is placed in a [loc] that is not [holder] or [holder].[loc]
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* (if it's a mob), it is placed back inside [holder].
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*
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* This is intended for items that are a 'part' of another item.
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*
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* It can also delete [parent] when [holder] is deleted.
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*
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*/
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/datum/component/holderloving
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can_transfer = TRUE
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/** Item that parent is bound to.
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* We try to keep parent either directly in holder, or in holder's loc if loc is a mob,
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* and warp parent into holder if they go anywhere else.
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*/
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var/atom/holder
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/// If parent is deleted when the holder gets deleted
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var/del_parent_with_holder = FALSE
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/datum/component/holderloving/Initialize(holder, del_parent_with_holder)
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if(!isitem(parent) || !holder)
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return COMPONENT_INCOMPATIBLE
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src.holder = holder
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if(del_parent_with_holder)
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src.del_parent_with_holder = del_parent_with_holder
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/datum/component/holderloving/RegisterWithParent()
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RegisterSignal(holder, COMSIG_MOVABLE_MOVED, PROC_REF(check_my_loc))
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RegisterSignal(holder, COMSIG_QDELETING, PROC_REF(holder_deleting))
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RegisterSignals(parent, list(
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COMSIG_ITEM_DROPPED,
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COMSIG_ITEM_EQUIPPED,
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COMSIG_ATOM_ENTERED,
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COMSIG_ATOM_EXITED,
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COMSIG_ITEM_STORED,
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), PROC_REF(check_my_loc))
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/datum/component/holderloving/UnregisterFromParent()
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UnregisterSignal(holder, list(COMSIG_MOVABLE_MOVED, COMSIG_QDELETING))
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UnregisterSignal(parent, list(
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COMSIG_ITEM_DROPPED,
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COMSIG_ITEM_EQUIPPED,
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COMSIG_ATOM_ENTERED,
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COMSIG_ATOM_EXITED,
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COMSIG_ITEM_STORED,
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))
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/datum/component/holderloving/PostTransfer()
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if(!isitem(parent))
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return COMPONENT_INCOMPATIBLE
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/datum/component/holderloving/InheritComponent(datum/component/holderloving/friend, i_am_original, list/arguments)
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if(i_am_original)
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holder = friend.holder
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/datum/component/holderloving/proc/check_valid_loc(atom/location)
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return (location == holder || ( location == holder.loc && ismob(holder.loc) ))
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/datum/component/holderloving/proc/holder_deleting(datum/source, force)
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SIGNAL_HANDLER
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if(del_parent_with_holder)
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qdel(parent)
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else
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qdel(src)
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/datum/component/holderloving/proc/check_my_loc(datum/source)
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SIGNAL_HANDLER
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var/obj/item/item_parent = parent
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if(!check_valid_loc(item_parent.loc))
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item_parent.forceMove(holder)
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