/datum/action
	var/name = "Generic Action"
	var/desc
	var/datum/target
	var/check_flags = NONE
	var/processing = FALSE
	var/buttontooltipstyle = ""
	var/transparent_when_unavailable = TRUE
	/// Where any buttons we create should be by default. Accepts screen_loc and location defines
	var/default_button_position = SCRN_OBJ_IN_LIST

	var/button_icon = 'icons/mob/actions/backgrounds.dmi' //This is the file for the BACKGROUND icon
	var/background_icon_state = ACTION_BUTTON_DEFAULT_BACKGROUND //And this is the state for the background icon

	var/icon_icon = 'icons/hud/actions.dmi' //This is the file for the ACTION icon
	var/button_icon_state = "default" //And this is the state for the action icon
	var/mob/owner
	///List of all mobs that are viewing our action button -> A unique movable for them to view.
	var/list/viewers = list()

/datum/action/New(Target)
	link_to(Target)

/datum/action/proc/link_to(Target)
	target = Target
	RegisterSignal(target, COMSIG_ATOM_UPDATED_ICON, .proc/OnUpdatedIcon)
	RegisterSignal(target, COMSIG_PARENT_QDELETING, .proc/clear_ref, override = TRUE)

/datum/action/Destroy()
	if(owner)
		Remove(owner)
	target = null
	QDEL_LIST_ASSOC_VAL(viewers) // Qdel the buttons in the viewers list **NOT THE HUDS**
	return ..()

/datum/action/proc/Grant(mob/M)
	if(!M)
		Remove(owner)
		return
	if(owner)
		if(owner == M)
			return
		Remove(owner)
	owner = M
	RegisterSignal(owner, COMSIG_PARENT_QDELETING, .proc/clear_ref, override = TRUE)

	GiveAction(M)

/datum/action/proc/clear_ref(datum/ref)
	SIGNAL_HANDLER
	if(ref == owner)
		Remove(owner)
	if(ref == target)
		qdel(src)

/datum/action/proc/Remove(mob/M)
	for(var/datum/hud/hud in viewers)
		if(!hud.mymob)
			continue
		HideFrom(hud.mymob)
	LAZYREMOVE(M.actions, src) // We aren't always properly inserted into the viewers list, gotta make sure that action's cleared
	viewers = list()

	if(owner)
		UnregisterSignal(owner, COMSIG_PARENT_QDELETING)
		if(target == owner)
			RegisterSignal(target, COMSIG_PARENT_QDELETING, .proc/clear_ref)
		owner = null

/datum/action/proc/Trigger(trigger_flags)
	if(!IsAvailable())
		return FALSE
	if(SEND_SIGNAL(src, COMSIG_ACTION_TRIGGER, src) & COMPONENT_ACTION_BLOCK_TRIGGER)
		return FALSE
	return TRUE


/datum/action/proc/IsAvailable()
	if(!owner)
		return FALSE
	if((check_flags & AB_CHECK_HANDS_BLOCKED) && HAS_TRAIT(owner, TRAIT_HANDS_BLOCKED))
		return FALSE
	if((check_flags & AB_CHECK_IMMOBILE) && HAS_TRAIT(owner, TRAIT_IMMOBILIZED))
		return FALSE
	if((check_flags & AB_CHECK_LYING) && isliving(owner))
		var/mob/living/action_user = owner
		if(action_user.body_position == LYING_DOWN)
			return FALSE
	if((check_flags & AB_CHECK_CONSCIOUS) && owner.stat != CONSCIOUS)
		return FALSE
	return TRUE

/datum/action/proc/UpdateButtons(status_only, force)
	for(var/datum/hud/hud in viewers)
		var/atom/movable/screen/movable/button = viewers[hud]
		UpdateButton(button, status_only, force)

/datum/action/proc/UpdateButton(atom/movable/screen/movable/action_button/button, status_only = FALSE, force = FALSE)
	if(!button)
		return
	if(!status_only)
		button.name = name
		button.desc = desc
		if(owner?.hud_used && background_icon_state == ACTION_BUTTON_DEFAULT_BACKGROUND)
			var/list/settings = owner.hud_used.get_action_buttons_icons()
			if(button.icon != settings["bg_icon"])
				button.icon = settings["bg_icon"]
			if(button.icon_state != settings["bg_state"])
				button.icon_state = settings["bg_state"]
		else
			if(button.icon != button_icon)
				button.icon = button_icon
			if(button.icon_state != background_icon_state)
				button.icon_state = background_icon_state

		ApplyIcon(button, force)

	if(!IsAvailable())
		button.color = transparent_when_unavailable ? rgb(128,0,0,128) : rgb(128,0,0)
	else
		button.color = rgb(255,255,255,255)
		return TRUE

/datum/action/proc/ApplyIcon(atom/movable/screen/movable/action_button/current_button, force = FALSE)
	if(icon_icon && button_icon_state && ((current_button.button_icon_state != button_icon_state) || force))
		current_button.cut_overlays(TRUE)
		current_button.add_overlay(mutable_appearance(icon_icon, button_icon_state))
		current_button.button_icon_state = button_icon_state

/datum/action/proc/OnUpdatedIcon()
	SIGNAL_HANDLER
	UpdateButtons()

//Give our action button to the player
/datum/action/proc/GiveAction(mob/viewer)
	var/datum/hud/our_hud = viewer.hud_used
	if(viewers[our_hud]) // Already have a copy of us? go away
		return

	LAZYOR(viewer.actions, src) // Move this in
	ShowTo(viewer)

//Adds our action button to the screen of a player
/datum/action/proc/ShowTo(mob/viewer)
	var/datum/hud/our_hud = viewer.hud_used
	if(!our_hud || viewers[our_hud]) // There's no point in this if you have no hud in the first place
		return

	var/atom/movable/screen/movable/action_button/button = CreateButton()
	SetId(button, viewer)

	button.our_hud = our_hud
	viewers[our_hud] = button
	if(viewer.client)
		viewer.client.screen += button

	button.load_position(viewer)
	viewer.update_action_buttons()

//Removes our action button from the screen of a player
/datum/action/proc/HideFrom(mob/viewer)
	var/datum/hud/our_hud = viewer.hud_used
	var/atom/movable/screen/movable/action_button/button = viewers[our_hud]
	LAZYREMOVE(viewer.actions, src)
	if(button)
		qdel(button)

/datum/action/proc/CreateButton()
	var/atom/movable/screen/movable/action_button/button = new()
	button.linked_action = src
	button.name = name
	button.actiontooltipstyle = buttontooltipstyle
	if(desc)
		button.desc = desc
	return button

/datum/action/proc/SetId(atom/movable/screen/movable/action_button/our_button, mob/owner)
	//button id generation
	var/bitfield = 0
	for(var/datum/action/action in owner.actions)
		if(action == src) // This could be us, which is dumb
			continue
		var/atom/movable/screen/movable/action_button/button = action.viewers[owner.hud_used]
		if(action.name == name && button.id)
			bitfield |= button.id

	bitfield = ~bitfield // Flip our possible ids, so we can check if we've found a unique one
	for(var/i in 0 to 23) // We get 24 possible bitflags in dm
		var/bitflag = 1 << i // Shift us over one
		if(bitfield & bitflag)
			our_button.id = bitflag
			return

//Presets for item actions
/datum/action/item_action
	check_flags = AB_CHECK_HANDS_BLOCKED|AB_CHECK_CONSCIOUS
	button_icon_state = null
	// If you want to override the normal icon being the item
	// then change this to an icon state

/datum/action/item_action/New(Target)
	..()
	var/obj/item/I = target
	LAZYINITLIST(I.actions)
	I.actions += src

/datum/action/item_action/Destroy()
	var/obj/item/I = target
	I.actions -= src
	UNSETEMPTY(I.actions)
	return ..()

/datum/action/item_action/Trigger(trigger_flags)
	. = ..()
	if(!.)
		return FALSE
	if(target)
		var/obj/item/I = target
		I.ui_action_click(owner, src)
	return TRUE

/datum/action/item_action/ApplyIcon(atom/movable/screen/movable/action_button/current_button, force)
	var/obj/item/item_target = target
	if(button_icon && button_icon_state)
		// If set, use the custom icon that we set instead
		// of the item appearence
		..()
	else if((target && current_button.appearance_cache != item_target.appearance) || force) //replace with /ref comparison if this is not valid.
		var/old_layer = item_target.layer
		var/old_plane = item_target.plane
		item_target.layer = FLOAT_LAYER //AAAH
		item_target.plane = FLOAT_PLANE //^ what that guy said
		current_button.cut_overlays()
		current_button.add_overlay(item_target)
		item_target.layer = old_layer
		item_target.plane = old_plane
		current_button.appearance_cache = item_target.appearance

/datum/action/item_action/toggle_light
	name = "Toggle Light"

/datum/action/item_action/toggle_light/Trigger(trigger_flags)
	if(istype(target, /obj/item/modular_computer))
		var/obj/item/modular_computer/mc = target
		mc.toggle_flashlight()
		return
	..()

/datum/action/item_action/toggle_hood
	name = "Toggle Hood"

/datum/action/item_action/toggle_firemode
	icon_icon = 'modular_skyrat/master_files/icons/mob/actions/actions_items.dmi' //SKYRAT EDIT ADDITION
	button_icon_state = "fireselect_no" //SKYRAT EDIT ADDITION
	name = "Toggle Firemode"

/datum/action/item_action/rcl_col
	name = "Change Cable Color"
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "rcl_rainbow"

/datum/action/item_action/rcl_gui
	name = "Toggle Fast Wiring Gui"
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "rcl_gui"

/datum/action/item_action/startchainsaw
	name = "Pull The Starting Cord"

/datum/action/item_action/toggle_computer_light
	name = "Toggle Flashlight"

/datum/action/item_action/toggle_gunlight
	name = "Toggle Gunlight"

/datum/action/item_action/toggle_mode
	name = "Toggle Mode"

/datum/action/item_action/toggle_barrier_spread
	name = "Toggle Barrier Spread"

/datum/action/item_action/equip_unequip_ted_gun
	name = "Equip/Unequip TED Gun"

/datum/action/item_action/toggle_paddles
	name = "Toggle Paddles"

/datum/action/item_action/set_internals
	name = "Set Internals"

/datum/action/item_action/set_internals/UpdateButton(atom/movable/screen/movable/action_button/button, status_only = FALSE, force)
	if(!..()) // no button available
		return
	if(!iscarbon(owner))
		return
	var/mob/living/carbon/C = owner
	if(target == C.internal)
		button.icon_state = "template_active"

/datum/action/item_action/pick_color
	name = "Choose A Color"

/datum/action/item_action/toggle_mister
	name = "Toggle Mister"

/datum/action/item_action/activate_injector
	name = "Activate Injector"

/datum/action/item_action/toggle_helmet_light
	name = "Toggle Helmet Light"

/datum/action/item_action/toggle_welding_screen
	name = "Toggle Welding Screen"

/datum/action/item_action/toggle_welding_screen/Trigger(trigger_flags)
	var/obj/item/clothing/head/hardhat/weldhat/H = target
	if(istype(H))
		H.toggle_welding_screen(owner)

/datum/action/item_action/toggle_welding_screen/plasmaman
	name = "Toggle Welding Screen"

/datum/action/item_action/toggle_welding_screen/plasmaman/Trigger(trigger_flags)
	var/obj/item/clothing/head/helmet/space/plasmaman/H = target
	if(istype(H))
		H.toggle_welding_screen(owner)

/datum/action/item_action/toggle_spacesuit
	name = "Toggle Suit Thermal Regulator"
	icon_icon = 'icons/mob/actions/actions_spacesuit.dmi'
	button_icon_state = "thermal_off"

/datum/action/item_action/toggle_spacesuit/New(Target)
	. = ..()
	RegisterSignal(target, COMSIG_SUIT_SPACE_TOGGLE, .proc/toggle)

/datum/action/item_action/toggle_spacesuit/Destroy()
	UnregisterSignal(target, COMSIG_SUIT_SPACE_TOGGLE)
	return ..()

/datum/action/item_action/toggle_spacesuit/Trigger(trigger_flags)
	var/obj/item/clothing/suit/space/suit = target
	if(!istype(suit))
		return
	suit.toggle_spacesuit()

/// Toggle the action icon for the space suit thermal regulator
/datum/action/item_action/toggle_spacesuit/proc/toggle(obj/item/clothing/suit/space/suit)
	SIGNAL_HANDLER

	button_icon_state = "thermal_[suit.thermal_on ? "on" : "off"]"
	UpdateButtons()

/datum/action/item_action/vortex_recall
	name = "Vortex Recall"
	desc = "Recall yourself, and anyone nearby, to an attuned hierophant beacon at any time.<br>If the beacon is still attached, will detach it."
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "vortex_recall"

/datum/action/item_action/vortex_recall/IsAvailable()
	var/area/current_area = get_area(target)
	if(current_area.area_flags & NOTELEPORT)
		to_chat(owner, span_notice("[target] fizzles uselessly."))
		return
	if(istype(target, /obj/item/hierophant_club))
		var/obj/item/hierophant_club/H = target
		if(H.teleporting)
			return FALSE
	return ..()

/datum/action/item_action/berserk_mode
	name = "Berserk"
	desc = "Increase your movement and melee speed while also increasing your melee armor for a short amount of time."
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "berserk_mode"
	background_icon_state = "bg_demon"

/datum/action/item_action/berserk_mode/Trigger(trigger_flags)
	if(istype(target, /obj/item/clothing/head/hooded/berserker))
		var/obj/item/clothing/head/hooded/berserker/berzerk = target
		if(berzerk.berserk_active)
			to_chat(owner, span_warning("You are already berserk!"))
			return
		if(berzerk.berserk_charge < 100)
			to_chat(owner, span_warning("You don't have a full charge."))
			return
		berzerk.berserk_mode(owner)
		return
	..()

/datum/action/item_action/toggle_helmet_flashlight
	name = "Toggle Helmet Flashlight"

/datum/action/item_action/toggle_helmet_mode
	name = "Toggle Helmet Mode"

/datum/action/item_action/crew_monitor
	name = "Interface With Crew Monitor"

/datum/action/item_action/toggle

/datum/action/item_action/toggle/New(Target)
	..()
	var/obj/item/item_target = target
	name = "Toggle [item_target.name]"

/datum/action/item_action/halt
	name = "HALT!"

/datum/action/item_action/toggle_voice_box
	name = "Toggle Voice Box"

/datum/action/item_action/change
	name = "Change"

/datum/action/item_action/nano_picket_sign
	name = "Retext Nano Picket Sign"

/datum/action/item_action/nano_picket_sign/Trigger(trigger_flags)
	if(!istype(target, /obj/item/picket_sign))
		return
	var/obj/item/picket_sign/sign = target
	sign.retext(owner)

/datum/action/item_action/adjust

/datum/action/item_action/adjust/New(Target)
	..()
	var/obj/item/item_target = target
	name = "Adjust [item_target.name]"

/datum/action/item_action/switch_hud
	name = "Switch HUD"

/datum/action/item_action/toggle_human_head
	name = "Toggle Human Head"

/datum/action/item_action/toggle_helmet
	name = "Toggle Helmet"

/datum/action/item_action/toggle_jetpack
	name = "Toggle Jetpack"

/datum/action/item_action/jetpack_stabilization
	name = "Toggle Jetpack Stabilization"

/datum/action/item_action/jetpack_stabilization/IsAvailable()
	var/obj/item/tank/jetpack/J = target
	if(!istype(J) || !J.on)
		return FALSE
	return ..()

/datum/action/item_action/hands_free
	check_flags = AB_CHECK_CONSCIOUS

/datum/action/item_action/hands_free/activate
	name = "Activate"

/datum/action/item_action/hands_free/shift_nerves
	name = "Shift Nerves"

/datum/action/item_action/explosive_implant
	check_flags = NONE
	name = "Activate Explosive Implant"

/datum/action/item_action/instrument
	name = "Use Instrument"
	desc = "Use the instrument specified"

/datum/action/item_action/instrument/Trigger(trigger_flags)
	if(istype(target, /obj/item/instrument))
		var/obj/item/instrument/I = target
		I.interact(usr)
		return
	return ..()

/datum/action/item_action/activate_remote_view
	name = "Activate Remote View"
	desc = "Activates the Remote View of your spy sunglasses."

/datum/action/item_action/organ_action
	check_flags = AB_CHECK_CONSCIOUS

/datum/action/item_action/organ_action/IsAvailable()
	var/obj/item/organ/I = target
	if(!I.owner)
		return FALSE
	return ..()

/datum/action/item_action/organ_action/toggle/New(Target)
	..()
	var/obj/item/organ/organ_target = target
	name = "Toggle [organ_target.name]"

/datum/action/item_action/organ_action/use/New(Target)
	..()
	var/obj/item/organ/organ_target = target
	name = "Use [organ_target.name]"

/datum/action/item_action/cult_dagger
	name = "Draw Blood Rune"
	desc = "Use the ritual dagger to create a powerful blood rune"
	icon_icon = 'icons/mob/actions/actions_cult.dmi'
	button_icon_state = "draw"
	buttontooltipstyle = "cult"
	background_icon_state = "bg_demon"
	default_button_position = "6:157,4:-2"

/datum/action/item_action/cult_dagger/Grant(mob/M)
	if(!IS_CULTIST(M))
		Remove(owner)
		return
	return ..()

/datum/action/item_action/cult_dagger/Trigger(trigger_flags)
	for(var/obj/item/held_item as anything in owner.held_items) // In case we were already holding a dagger
		if(istype(held_item, /obj/item/melee/cultblade/dagger))
			held_item.attack_self(owner)
			return
	var/obj/item/target_item = target
	if(owner.can_equip(target_item, ITEM_SLOT_HANDS))
		owner.temporarilyRemoveItemFromInventory(target_item)
		owner.put_in_hands(target_item)
		target_item.attack_self(owner)
		return

	if(!isliving(owner))
		to_chat(owner, span_warning("You lack the necessary living force for this action."))
		return

	var/mob/living/living_owner = owner
	if (living_owner.usable_hands <= 0)
		to_chat(living_owner, span_warning("You don't have any usable hands!"))
	else
		to_chat(living_owner, span_warning("Your hands are full!"))


///MGS BOX!
/datum/action/item_action/agent_box
	name = "Deploy Box"
	desc = "Find inner peace, here, in the box."
	check_flags = AB_CHECK_HANDS_BLOCKED|AB_CHECK_IMMOBILE|AB_CHECK_CONSCIOUS
	background_icon_state = "bg_agent"
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "deploy_box"
	///The type of closet this action spawns.
	var/boxtype = /obj/structure/closet/cardboard/agent
	COOLDOWN_DECLARE(box_cooldown)

///Handles opening and closing the box.
/datum/action/item_action/agent_box/Trigger(trigger_flags)
	. = ..()
	if(!.)
		return FALSE
	if(istype(owner.loc, /obj/structure/closet/cardboard/agent))
		var/obj/structure/closet/cardboard/agent/box = owner.loc
		owner.playsound_local(box, 'sound/misc/box_deploy.ogg', 50, TRUE)
		box.open()
		return
	//Box closing from here on out.
	if(!isturf(owner.loc)) //Don't let the player use this to escape mechs/welded closets.
		to_chat(owner, span_warning("You need more space to activate this implant!"))
		return
	if(!COOLDOWN_FINISHED(src, box_cooldown))
		return
	COOLDOWN_START(src, box_cooldown, 10 SECONDS)
	var/box = new boxtype(owner.drop_location())
	owner.forceMove(box)
	owner.playsound_local(box, 'sound/misc/box_deploy.ogg', 50, TRUE)

/datum/action/item_action/agent_box/Grant(mob/M)
	. = ..()
	if(owner)
		RegisterSignal(owner, COMSIG_HUMAN_SUICIDE_ACT, .proc/suicide_act)

/datum/action/item_action/agent_box/Remove(mob/M)
	if(owner)
		UnregisterSignal(owner, COMSIG_HUMAN_SUICIDE_ACT)
	return ..()

/datum/action/item_action/agent_box/proc/suicide_act(datum/source)
	SIGNAL_HANDLER

	if(!istype(owner.loc, /obj/structure/closet/cardboard/agent))
		return

	var/obj/structure/closet/cardboard/agent/box = owner.loc
	owner.playsound_local(box, 'sound/misc/box_deploy.ogg', 50, TRUE)
	box.open()
	owner.visible_message(span_suicide("[owner] falls out of [box]! It looks like [owner.p_they()] committed suicide!"))
	owner.throw_at(get_turf(owner))
	return OXYLOSS

//Preset for spells
/datum/action/spell_action
	check_flags = NONE
	background_icon_state = "bg_spell"

/datum/action/spell_action/New(Target)
	..()
	var/obj/effect/proc_holder/S = target
	S.action = src
	name = S.name
	desc = S.desc
	icon_icon = S.action_icon
	button_icon_state = S.action_icon_state
	background_icon_state = S.action_background_icon_state

/datum/action/spell_action/Destroy()
	var/obj/effect/proc_holder/S = target
	S.action = null
	return ..()

/datum/action/spell_action/Trigger(trigger_flags)
	if(!..())
		return FALSE
	if(target)
		var/obj/effect/proc_holder/S = target
		S.Click()
		return TRUE

/datum/action/spell_action/IsAvailable()
	if(!target)
		return FALSE
	return TRUE

/datum/action/spell_action/spell

/datum/action/spell_action/spell/IsAvailable()
	if(!target)
		return FALSE
	var/obj/effect/proc_holder/spell/S = target
	if(owner)
		return S.can_cast(owner)
	return FALSE

/datum/action/spell_action/alien

/datum/action/spell_action/alien/IsAvailable()
	if(!target)
		return FALSE
	var/obj/effect/proc_holder/alien/ab = target
	if(owner)
		return ab.cost_check(ab.check_turf,owner,1)
	return FALSE



//Preset for general and toggled actions
/datum/action/innate
	check_flags = NONE
	var/active = 0

/datum/action/innate/Trigger(trigger_flags)
	if(!..())
		return FALSE
	if(!active)
		Activate()
	else
		Deactivate()
	return TRUE

/datum/action/innate/proc/Activate()
	return

/datum/action/innate/proc/Deactivate()
	return

//Preset for an action with a cooldown

/datum/action/cooldown
	check_flags = NONE
	transparent_when_unavailable = FALSE
	// The default cooldown applied when StartCooldown() is called
	var/cooldown_time = 0
	// The actual next time this ability can be used
	var/next_use_time = 0
	// Whether or not you want the cooldown for the ability to display in text form
	var/text_cooldown = TRUE
	// Setting for intercepting clicks before activating the ability
	var/click_to_activate = FALSE
	// Shares cooldowns with other cooldown abilities of the same value, not active if null
	var/shared_cooldown

/datum/action/cooldown/CreateButton()
	var/atom/movable/screen/movable/action_button/button = ..()
	button.maptext = ""
	button.maptext_x = 8
	button.maptext_y = 0
	button.maptext_width = 24
	button.maptext_height = 12
	return button

/datum/action/cooldown/IsAvailable()
	return ..() && (next_use_time <= world.time)

/// Starts a cooldown time to be shared with similar abilities, will use default cooldown time if an override is not specified
/datum/action/cooldown/proc/StartCooldown(override_cooldown_time)
	if(shared_cooldown)
		for(var/datum/action/cooldown/shared_ability in owner.actions - src)
			if(shared_cooldown == shared_ability.shared_cooldown)
				if(isnum(override_cooldown_time))
					shared_ability.StartCooldownSelf(override_cooldown_time)
				else
					shared_ability.StartCooldownSelf(cooldown_time)
	StartCooldownSelf(override_cooldown_time)

/// Starts a cooldown time for this ability only, will use default cooldown time if an override is not specified
/datum/action/cooldown/proc/StartCooldownSelf(override_cooldown_time)
	if(isnum(override_cooldown_time))
		next_use_time = world.time + override_cooldown_time
	else
		next_use_time = world.time + cooldown_time
	UpdateButtons()
	START_PROCESSING(SSfastprocess, src)

/datum/action/cooldown/Trigger(trigger_flags, atom/target)
	. = ..()
	if(!.)
		return
	if(!owner)
		return FALSE
	if(click_to_activate)
		if(target)
			// For automatic / mob handling
			return InterceptClickOn(owner, null, target)
		if(owner.click_intercept == src)
			owner.click_intercept = null
		else
			owner.click_intercept = src
		for(var/datum/action/cooldown/ability in owner.actions)
			ability.UpdateButtons()
		return TRUE
	return PreActivate(owner)

/// Intercepts client owner clicks to activate the ability
/datum/action/cooldown/proc/InterceptClickOn(mob/living/caller, params, atom/target)
	if(!IsAvailable())
		return FALSE
	if(!target)
		return FALSE
	PreActivate(target)
	caller.click_intercept = null
	return TRUE

/// For signal calling
/datum/action/cooldown/proc/PreActivate(atom/target)
	if(SEND_SIGNAL(owner, COMSIG_ABILITY_STARTED, src) & COMPONENT_BLOCK_ABILITY_START)
		return
	. = Activate(target)
	SEND_SIGNAL(owner, COMSIG_ABILITY_FINISHED, src)

/// To be implemented by subtypes
/datum/action/cooldown/proc/Activate(atom/target)
	return

/datum/action/cooldown/UpdateButton(atom/movable/screen/movable/action_button/button, status_only = FALSE, force = FALSE)
	. = ..()
	if(!button)
		return
	var/time_left = max(next_use_time - world.time, 0)
	if(text_cooldown)
		button.maptext = MAPTEXT("<b>[round(time_left/10, 0.1)]</b>")
	if(!owner || time_left == 0)
		button.maptext = ""
	if(IsAvailable() && owner.click_intercept == src)
		button.color = COLOR_GREEN

/datum/action/cooldown/process()
	var/time_left = max(next_use_time - world.time, 0)
	if(!owner || time_left == 0)
		STOP_PROCESSING(SSfastprocess, src)
	UpdateButtons()

/datum/action/cooldown/Grant(mob/M)
	..()
	if(!owner)
		return
	UpdateButtons()
	if(next_use_time > world.time)
		START_PROCESSING(SSfastprocess, src)

///Like a cooldown action, but with an associated proc holder.
/datum/action/cooldown/spell_like

/datum/action/cooldown/spell_like/New(Target)
	..()
	var/obj/effect/proc_holder/our_proc_holder = Target
	our_proc_holder.action = src
	name = our_proc_holder.name
	desc = our_proc_holder.desc
	icon_icon = our_proc_holder.action_icon
	button_icon_state = our_proc_holder.action_icon_state
	background_icon_state = our_proc_holder.action_background_icon_state

/datum/action/cooldown/spell_like/Activate(atom/activate_target)
	if(!target)
		return FALSE

	StartCooldown(10 SECONDS)
	var/obj/effect/proc_holder/our_proc_holder = target
	our_proc_holder.Click()
	StartCooldown()
	return TRUE

//Stickmemes
/datum/action/item_action/stickmen
	name = "Summon Stick Minions"
	desc = "Allows you to summon faithful stickmen allies to aide you in battle."
	icon_icon = 'icons/mob/actions/actions_minor_antag.dmi'
	button_icon_state = "art_summon"

//surf_ss13
/datum/action/item_action/bhop
	name = "Activate Jump Boots"
	desc = "Activates the jump boot's internal propulsion system, allowing the user to dash over 4-wide gaps."
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "jetboot"

/datum/action/item_action/bhop/brocket
	name = "Activate Rocket Boots"
	desc = "Activates the boot's rocket propulsion system, allowing the user to hurl themselves great distances."

/datum/action/language_menu
	name = "Language Menu"
	desc = "Open the language menu to review your languages, their keys, and select your default language."
	button_icon_state = "language_menu"
	check_flags = NONE

/datum/action/language_menu/Trigger(trigger_flags)
	if(!..())
		return FALSE
	if(ismob(owner))
		var/mob/M = owner
		var/datum/language_holder/H = M.get_language_holder()
		H.open_language_menu(usr)

/datum/action/item_action/wheelys
	name = "Toggle Wheels"
	desc = "Pops out or in your shoes' wheels."
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "wheelys"

/datum/action/item_action/kindle_kicks
	name = "Activate Kindle Kicks"
	desc = "Kick you feet together, activating the lights in your Kindle Kicks."
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "kindleKicks"

//Small sprites
/datum/action/small_sprite
	name = "Toggle Giant Sprite"
	desc = "Others will always see you as giant."
	icon_icon = 'icons/mob/actions/actions_xeno.dmi'
	button_icon_state = "smallqueen"
	background_icon_state = "bg_alien"
	var/small = FALSE
	var/small_icon
	var/small_icon_state

/datum/action/small_sprite/queen
	small_icon = 'icons/mob/alien.dmi'
	small_icon_state = "alienq"

/datum/action/small_sprite/megafauna
	icon_icon = 'icons/mob/actions/actions_xeno.dmi'
	small_icon = 'icons/mob/lavaland/lavaland_monsters.dmi'

/datum/action/small_sprite/megafauna/drake
	small_icon_state = "ash_whelp"

/datum/action/small_sprite/megafauna/colossus
	small_icon_state = "Basilisk"

/datum/action/small_sprite/megafauna/bubblegum
	small_icon_state = "goliath2"

/datum/action/small_sprite/megafauna/legion
	small_icon_state = "mega_legion"

/datum/action/small_sprite/mega_arachnid
	small_icon = 'icons/mob/jungle/arachnid.dmi'
	small_icon_state = "arachnid_mini"
	background_icon_state = "bg_demon"

/datum/action/small_sprite/space_dragon
	small_icon = 'icons/mob/carp.dmi'
	small_icon_state = "carp"
	icon_icon = 'icons/mob/carp.dmi'
	button_icon_state = "carp"

/datum/action/small_sprite/Trigger(trigger_flags)
	..()
	if(!small)
		var/image/I = image(icon = small_icon, icon_state = small_icon_state, loc = owner)
		I.override = TRUE
		I.pixel_x -= owner.pixel_x
		I.pixel_y -= owner.pixel_y
		owner.add_alt_appearance(/datum/atom_hud/alternate_appearance/basic, "smallsprite", I, AA_TARGET_SEE_APPEARANCE | AA_MATCH_TARGET_OVERLAYS)
		small = TRUE
	else
		owner.remove_alt_appearance("smallsprite")
		small = FALSE

/datum/action/item_action/storage_gather_mode
	name = "Switch gathering mode"
	desc = "Switches the gathering mode of a storage object."
	icon_icon = 'icons/mob/actions/actions_items.dmi'
	button_icon_state = "storage_gather_switch"

/datum/action/item_action/storage_gather_mode/ApplyIcon(atom/movable/screen/movable/action_button/current_button)
	. = ..()
	var/obj/item/item_target = target
	var/old_layer = item_target.layer
	var/old_plane = item_target.plane
	item_target.layer = FLOAT_LAYER //AAAH
	item_target.plane = FLOAT_PLANE //^ what that guy said
	current_button.cut_overlays()
	current_button.add_overlay(target)
	item_target.layer = old_layer
	item_target.plane = old_plane
	current_button.appearance_cache = item_target.appearance