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ae5a4f955d
## About The Pull Request Signals were initially only usable with component listeners, which while no longer the case has lead to outdated documentation, names, and a similar location in code. This pr pulls the two apart. Partially because mso thinks we should, but also because they really aren't directly linked anymore, and having them in this midstate just confuses people. [Renames comp_lookup to listen_lookup, since that's what it does](102b79694f) [Moves signal procs over to their own file](33d07d01fd) [Renames the PREQDELETING and QDELETING comsigs to drop the parent bit since they can hook to more then just comps now](335ea4ad08) [Does something similar to the attackby comsigs (PARENT -> ATOM)](210e57051d) [And finally passes over the examine signals](65917658fb) ## Why It's Good For The Game Code makes more sense, things are better teased apart, s just good imo ## Changelog 🆑 refactor: Pulled apart the last vestiges of names/docs directly linking signals to components /🆑
90 lines
2.6 KiB
Plaintext
90 lines
2.6 KiB
Plaintext
/*
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* Simple component for allowing a user to change an atom's appearance on alt-click.
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* When toggled, changes the atom's icon_state between [base_icon_state] and [base_icon_state]_t.
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*/
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/datum/component/toggle_icon
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/// Whether the icon is toggled
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var/toggled = FALSE
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/// The base icon state we do operations on.
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var/base_icon_state
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/// The noun of what was "toggled" displayed to the user. EX: "Toggled the item's [buttons]"
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var/toggle_noun
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/datum/component/toggle_icon/Initialize(toggle_noun = "buttons")
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if(!isatom(parent))
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return COMPONENT_INCOMPATIBLE
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var/atom/atom_parent = parent
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src.toggle_noun = toggle_noun
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src.base_icon_state = atom_parent.base_icon_state || atom_parent.icon_state
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/datum/component/toggle_icon/RegisterWithParent()
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RegisterSignal(parent, COMSIG_CLICK_ALT, PROC_REF(on_alt_click))
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RegisterSignal(parent, COMSIG_ATOM_EXAMINE, PROC_REF(on_examine))
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/datum/component/toggle_icon/UnregisterFromParent()
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UnregisterSignal(parent, list(COMSIG_CLICK_ALT, COMSIG_ATOM_EXAMINE))
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/*
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* Signal proc for COMSIG_CLICK_ALT.
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* If the user is living, adjacent to the source,
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* and has arms / is not incapacitated, call do_icon_toggle.
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*
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* source - the atom being clicked on
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* user - the mob doing the click
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*/
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/datum/component/toggle_icon/proc/on_alt_click(atom/source, mob/user)
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SIGNAL_HANDLER
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if(!isliving(user))
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return
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var/mob/living/living_user = user
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if(!living_user.Adjacent(source))
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return
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if(living_user.incapacitated())
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source.balloon_alert(user, "you're incapacitated!")
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return
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if(living_user.usable_hands <= 0)
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source.balloon_alert(user, "you don't have hands!")
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return
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do_icon_toggle(source, living_user)
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/*
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* Signal proc for COMSIG_ATOM_EXAMINE.
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* Lets the user know they can toggle the parent open or closed.
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*
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* source - the atom being examined (parent)
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* user - the mob examining it
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* examine_list - the list of things within the examine output
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*/
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/datum/component/toggle_icon/proc/on_examine(atom/source, mob/user, list/examine_list)
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SIGNAL_HANDLER
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examine_list += span_notice("Alt-click on [source] to toggle the [toggle_noun].")
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/*
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* Actually do the toggle of the icon.
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* Swaps the icon from [base_icon_state] to [base_icon_state]_t.
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*
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* source - the atom being toggled
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* user - the mob doing the toggling
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*/
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/datum/component/toggle_icon/proc/do_icon_toggle(atom/source, mob/living/user)
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source.balloon_alert(user, "toggled [toggle_noun]")
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toggled = !toggled
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if(toggled)
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source.icon_state = "[base_icon_state]_t"
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else
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source.icon_state = base_icon_state
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if(isitem(source))
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var/obj/item/item_source = source
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item_source.update_slot_icon()
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