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45c14f6330
Adds SIGNAL_HANDLER, a macro that sets SHOULD_NOT_SLEEP(TRUE). This should ideally be required on all new signal callbacks. Adds BLOCKING_SIGNAL_HANDLER, a macro that does nothing except symbolize "this is an older signal that didn't necessitate a code rewrite". It should not be allowed for new work. This comes from discussion around #52735, which yields by calling input, and (though it sets the return type beforehand) will not properly return the flag to prevent attack from slapping. To fix 60% of the yielding cases, WrapAdminProcCall no longer waits for another admin's proc call to finish. I'm not an admin, so I don't know how many behinds this has saved, but if this is problematic for admins I can just make it so that it lets you do it anyway. I'm not sure what the point of this babysitting was anyway. Requested by @optimumtact. Changelog cl admin: Calling a proc while another admin is calling one will no longer wait for the first to finish. You will simply just have to call it again. /cl
92 lines
3.6 KiB
Plaintext
92 lines
3.6 KiB
Plaintext
/**
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The label component.
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This component is used to manage labels applied by the hand labeler.
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Atoms can only have one instance of this component, and therefore only one label at a time.
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This is to avoid having names like "Backpack (label1) (label2) (label3)". This is annoying and abnoxious to read.
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When a player clicks the atom with a hand labeler to apply a label, this component gets applied to it.
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If the labeler is off, the component will be removed from it, and the label will be removed from its name.
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*/
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/datum/component/label
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dupe_mode = COMPONENT_DUPE_UNIQUE_PASSARGS
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/// The name of the label the player is applying to the parent.
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var/label_name
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/datum/component/label/Initialize(_label_name)
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if(!isatom(parent))
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return COMPONENT_INCOMPATIBLE
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label_name = _label_name
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apply_label()
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/datum/component/label/RegisterWithParent()
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RegisterSignal(parent, COMSIG_PARENT_ATTACKBY, .proc/OnAttackby)
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RegisterSignal(parent, COMSIG_PARENT_EXAMINE, .proc/Examine)
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/datum/component/label/UnregisterFromParent()
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UnregisterSignal(parent, list(COMSIG_PARENT_ATTACKBY, COMSIG_PARENT_EXAMINE))
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/**
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This proc will fire after the parent is hit by a hand labeler which is trying to apply another label.
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Since the parent already has a label, it will remove the old one from the parent's name, and apply the new one.
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*/
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/datum/component/label/InheritComponent(datum/component/label/new_comp , i_am_original, _label_name)
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remove_label()
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if(new_comp)
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label_name = new_comp.label_name
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else
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label_name = _label_name
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apply_label()
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/**
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This proc will trigger when any object is used to attack the parent.
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If the attacking object is not a hand labeler, it will return.
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If the attacking object is a hand labeler it will restore the name of the parent to what it was before this component was added to it, and the component will be deleted.
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Arguments:
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* source: The parent.
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* attacker: The object that is hitting the parent.
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* user: The mob who is wielding the attacking object.
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*/
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/datum/component/label/proc/OnAttackby(datum/source, obj/item/attacker, mob/user)
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SIGNAL_HANDLER
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// If the attacking object is not a hand labeler or its mode is 1 (has a label ready to apply), return.
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// The hand labeler should be off (mode is 0), in order to remove a label.
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var/obj/item/hand_labeler/labeler = attacker
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if(!istype(labeler) || labeler.mode)
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return
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remove_label()
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playsound(parent, 'sound/items/poster_ripped.ogg', 20, TRUE)
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to_chat(user, "<span class='warning'>You remove the label from [parent].</span>")
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qdel(src) // Remove the component from the object.
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/**
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This proc will trigger when someone examines the parent.
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It will attach the text found in the body of the proc to the `examine_list` and display it to the player examining the parent.
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Arguments:
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* source: The parent.
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* user: The mob exmaining the parent.
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* examine_list: The current list of text getting passed from the parent's normal examine() proc.
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*/
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/datum/component/label/proc/Examine(datum/source, mob/user, list/examine_list)
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SIGNAL_HANDLER
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examine_list += "<span class='notice'>It has a label with some words written on it. Use a hand labeler to remove it.</span>"
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/// Applies a label to the name of the parent in the format of: "parent_name (label)"
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/datum/component/label/proc/apply_label()
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var/atom/owner = parent
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owner.name += " ([label_name])"
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/// Removes the label from the parent's name
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/datum/component/label/proc/remove_label()
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var/atom/owner = parent
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owner.name = replacetext(owner.name, "([label_name])", "") // Remove the label text from the parent's name, wherever it's located.
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owner.name = trim(owner.name) // Shave off any white space from the beginning or end of the parent's name.
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