Paradise/code/game/objects/items.dm

GLOBAL_DATUM_INIT(fire_overlay, /image, image("icon" = 'icons/goonstation/effects/fire.dmi', "icon_state" = "fire"))
GLOBAL_DATUM_INIT(welding_sparks, /mutable_appearance, mutable_appearance('icons/effects/welding_effect.dmi', "welding_sparks", GASFIRE_LAYER, ABOVE_LIGHTING_PLANE))

/obj/item
	name = "item"
	icon = 'icons/obj/items.dmi'
	blocks_emissive = EMISSIVE_BLOCK_GENERIC
	mouse_drag_pointer = MOUSE_ACTIVE_POINTER

	move_resist = null // Set in the Initialise depending on the item size. Unless it's overriden by a specific item
	var/discrete = 0 // used in item_attack.dm to make an item not show an attack message to viewers
	/// The icon state used to display the item in your inventory. If null then the icon_state value itself will be used
	var/item_state = null
	var/lefthand_file = 'icons/mob/inhands/items_lefthand.dmi'
	var/righthand_file = 'icons/mob/inhands/items_righthand.dmi'

	//Dimensions of the lefthand_file and righthand_file vars
	//eg: 32x32 sprite, 64x64 sprite, etc.
	var/inhand_x_dimension = 32
	var/inhand_y_dimension = 32

	max_integrity = 200

	can_be_hit = FALSE
	suicidal_hands = TRUE

	///Sound played when you hit something with the item
	var/hitsound
	///Played when the item is used, for example tools
	var/usesound
	///Used when yate into a mob
	var/mob_throw_hit_sound
	///Sound used when equipping the item into a valid slot
	var/equip_sound
	///Sound uses when picking the item up (into your hands)
	var/pickup_sound
	///Sound uses when dropping the item, or when its thrown.
	var/drop_sound
	///Whether or not we use stealthy audio levels for this item's attack sounds
	var/stealthy_audio = FALSE
	/// Allows you to override the attack animation with an attack effect
	var/attack_effect_override
	var/list/attack_verb //Used in attackby() to say how something was attacked "[x] has been [z.attack_verb] by [y] with [z]"
	var/w_class = WEIGHT_CLASS_NORMAL
	var/slot_flags = 0		//This is used to determine on which slots an item can fit.
	pass_flags = PASSTABLE
	pressure_resistance = 4
//	causeerrorheresoifixthis
	var/obj/item/master = null

	var/heat_protection = 0 //flags which determine which body parts are protected from heat. Use the HEAD, UPPER_TORSO, LOWER_TORSO, etc. flags. See setup.dm
	var/cold_protection = 0 //flags which determine which body parts are protected from cold. Use the HEAD, UPPER_TORSO, LOWER_TORSO, etc. flags. See setup.dm
	var/max_heat_protection_temperature //Set this variable to determine up to which temperature (IN KELVIN) the item protects against heat damage. Keep at null to disable protection. Only protects areas set by heat_protection flags
	var/min_cold_protection_temperature //Set this variable to determine down to which temperature (IN KELVIN) the item protects against cold damage. 0 is NOT an acceptable number due to if(varname) tests!! Keep at null to disable protection. Only protects areas set by cold_protection flags

	var/list/actions = list() //list of /datum/action's that this item has.
	var/list/actions_types = list() //list of paths of action datums to give to the item on New().
	var/list/action_icon = list() //list of icons-sheets for a given action to override the icon.
	var/list/action_icon_state = list() //list of icon states for a given action to override the icon_state.

	var/list/materials = list()
	//Since any item can now be a piece of clothing, this has to be put here so all items share it.
	var/flags_inv //This flag is used to determine when items in someone's inventory cover others. IE helmets making it so you can't see glasses, etc.
	var/item_color = null
	var/body_parts_covered = 0 //see setup.dm for appropriate bit flags
	//var/heat_transfer_coefficient = 1 //0 prevents all transfers, 1 is invisible
	var/gas_transfer_coefficient = 1 // for leaking gas from turf to mask and vice-versa (for masks right now, but at some point, i'd like to include space helmets)
	var/permeability_coefficient = 1 // for chemicals/diseases
	var/siemens_coefficient = 1 // for electrical admittance/conductance (electrocution checks and shit)
	var/slowdown = 0 // How much clothing is slowing you down. Negative values speeds you up
	/// Flat armour reduction, occurs after percentage armour penetration.
	var/armour_penetration_flat = 0
	/// Percentage armour reduction, happens before flat armour reduction.
	var/armour_penetration_percentage = 0
	var/list/allowed = null //suit storage stuff.
	var/obj/item/uplink/hidden/hidden_uplink = null // All items can have an uplink hidden inside, just remember to add the triggers.

	var/needs_permit = FALSE			//Used by security bots to determine if this item is safe for public use.

	var/strip_delay = DEFAULT_ITEM_STRIP_DELAY
	var/put_on_delay = DEFAULT_ITEM_PUTON_DELAY
	var/breakouttime = 0
	var/flags_cover = 0 //for flags such as GLASSESCOVERSEYES

	/// Used to give a reaction chance on hit that is not a block. If less than 0, will remove the block message, allowing overides.
	var/hit_reaction_chance = 0

	// Needs to be in /obj/item because corgis can wear a lot of
	// non-clothing items
	var/datum/dog_fashion/dog_fashion = null

	/// UID of a /mob
	var/thrownby

	//So items can have custom embedd values
	//Because customisation is king
	var/embed_chance = EMBED_CHANCE
	var/embedded_fall_chance = EMBEDDED_ITEM_FALLOUT
	var/embedded_pain_chance = EMBEDDED_PAIN_CHANCE
	var/embedded_pain_multiplier = EMBEDDED_PAIN_MULTIPLIER  //The coefficient of multiplication for the damage this item does while embedded (this*w_class)
	var/embedded_fall_pain_multiplier = EMBEDDED_FALL_PAIN_MULTIPLIER //The coefficient of multiplication for the damage this item does when falling out of a limb (this*w_class)
	var/embedded_impact_pain_multiplier = EMBEDDED_IMPACT_PAIN_MULTIPLIER //The coefficient of multiplication for the damage this item does when first embedded (this*w_class)
	var/embedded_unsafe_removal_pain_multiplier = EMBEDDED_UNSAFE_REMOVAL_PAIN_MULTIPLIER //The coefficient of multiplication for the damage removing this without surgery causes (this*w_class)
	var/embedded_unsafe_removal_time = EMBEDDED_UNSAFE_REMOVAL_TIME //A time in ticks, multiplied by the w_class.
	var/embedded_ignore_throwspeed_threshold = FALSE

	var/tool_behaviour = NONE //What kind of tool are we?
	var/tool_enabled = TRUE //If we can turn on or off, are we currently active? Mostly for welders and this will normally be TRUE
	var/tool_volume = 50 //How loud are we when we use our tool?
	var/toolspeed = 1 // If this item is a tool, the speed multiplier

	/* Species-specific sprites, concept stolen from Paradise//vg/.
	ex:
	sprite_sheets = list(
		"Tajaran" = 'icons/cat/are/bad'
		)
	If index term exists and icon_override is not set, this sprite sheet will be used.
	*/
	var/list/sprite_sheets = null
	var/list/sprite_sheets_inhand = null //Used to override inhand items. Use a single .dmi and suffix the icon states inside with _l and _r for each hand.
	var/icon_override = null  //Used to override hardcoded clothing dmis in human clothing proc.
	var/sprite_sheets_obj = null //Used to override hardcoded clothing inventory object dmis in human clothing proc.

	//Tooltip vars
	var/in_inventory = FALSE //is this item equipped into an inventory slot or hand of a mob?
	var/tip_timer = 0

	// item hover FX
	/// Is this item inside a storage object?
	var/in_storage = FALSE
	// For assigning a belt overlay icon state in belts.dmi
	var/belt_icon = null
	/// Holder var for the item outline filter, null when no outline filter on the item.
	var/outline_filter


/obj/item/New()
	..()

	if(!hitsound)
		if(damtype == "fire")
			hitsound = 'sound/items/welder.ogg'
		if(damtype == "brute")
			hitsound = "swing_hit"
	LAZYINITLIST(attack_verb)
	if(!move_resist)
		determine_move_resist()

/obj/item/Initialize(mapload)
	. = ..()
	for(var/path in actions_types)
		new path(src, action_icon[path], action_icon_state[path])
	if(isstorage(loc)) //marks all items in storage as being such
		in_storage = TRUE

/obj/item/proc/determine_move_resist()
	switch(w_class)
		if(WEIGHT_CLASS_TINY)
			move_resist = MOVE_FORCE_EXTREMELY_WEAK
		if(WEIGHT_CLASS_SMALL)
			move_resist = MOVE_FORCE_VERY_WEAK
		if(WEIGHT_CLASS_NORMAL)
			move_resist = MOVE_FORCE_WEAK
		if(WEIGHT_CLASS_BULKY)
			move_resist = MOVE_FORCE_NORMAL
		if(WEIGHT_CLASS_HUGE)
			move_resist = MOVE_FORCE_NORMAL
		if(WEIGHT_CLASS_GIGANTIC)
			move_resist = MOVE_FORCE_NORMAL

/obj/item/Destroy()
	flags &= ~DROPDEL	//prevent reqdels
	QDEL_NULL(hidden_uplink)
	if(ismob(loc))
		var/mob/m = loc
		m.unEquip(src, 1)
	QDEL_LIST_CONTENTS(actions)
	master = null
	return ..()

/obj/item/proc/alert_admins_on_destroy()
	SIGNAL_HANDLER
	message_admins("[src] has been destroyed at [ADMIN_COORDJMP(src)].")
	log_game("[src] has been destroyed at ([x],[y],[z]) in the location [loc].")

/obj/item/proc/check_allowed_items(atom/target, not_inside, target_self)
	if(((src in target) && !target_self) || (!isturf(target.loc) && !isturf(target) && not_inside))
		return FALSE
	else
		return TRUE

/obj/item/blob_act(obj/structure/blob/B)
	if(B && B.loc == loc)
		qdel(src)

/obj/item/verb/move_to_top()
	set name = "Move To Top"
	set category = null
	set src in oview(1)

	if(!isturf(src.loc) || usr.stat || usr.restrained() )
		return

	var/turf/T = src.loc

	src.loc = null

	src.loc = T

/obj/item/examine(mob/user)
	var/size
	switch(src.w_class)
		if(WEIGHT_CLASS_TINY)
			size = "tiny"
		if(WEIGHT_CLASS_SMALL)
			size = "small"
		if(WEIGHT_CLASS_NORMAL)
			size = "normal-sized"
		if(WEIGHT_CLASS_BULKY)
			size = "bulky"
		if(WEIGHT_CLASS_HUGE)
			size = "huge"
		if(WEIGHT_CLASS_GIGANTIC)
			size = "gigantic"

	. = ..(user, "", "It is a [size] item.")

	if(user.research_scanner) //Mob has a research scanner active.
		var/msg = "*--------* <BR>"

		if(origin_tech)
			msg += "<span class='notice'>Testing potentials:</span><BR>"
			var/list/techlvls = params2list(origin_tech)
			for(var/T in techlvls) //This needs to use the better names.
				msg += "Tech: [CallTechName(T)] | Magnitude: [techlvls[T]] <BR>"
		else
			msg += "<span class='danger'>No tech origins detected.</span><BR>"


		if(materials.len)
			msg += "<span class='notice'>Extractable materials:<BR>"
			for(var/mat in materials)
				msg += "[CallMaterialName(mat)]<BR>" //Capitize first word, remove the "$"
		else
			msg += "<span class='danger'>No extractable materials detected.</span><BR>"
		msg += "*--------*"
		. += msg

	if(HAS_TRAIT(src, TRAIT_BUTCHERS_HUMANS))
		. += "<span class='warning'>Can be used to butcher dead people into meat while on harm intent.</span>"

/obj/item/burn()
	if(!QDELETED(src))
		var/turf/T = get_turf(src)
		new /obj/effect/decal/cleanable/ash(T)
		..()

/obj/item/acid_melt()
	if(!QDELETED(src))
		var/turf/T = get_turf(src)
		var/obj/effect/decal/cleanable/molten_object/MO = new(T)
		MO.pixel_x = rand(-16,16)
		MO.pixel_y = rand(-16,16)
		MO.desc = "Looks like this was \an [src] some time ago."
		..()

/obj/item/afterattack(atom/target, mob/user, proximity, params)
	SEND_SIGNAL(src, COMSIG_ITEM_AFTERATTACK, target, user, proximity, params)
	..()

/obj/item/attack_hand(mob/user as mob, pickupfireoverride = FALSE)
	if(!user) return 0
	if(ishuman(user))
		var/mob/living/carbon/human/H = user
		var/obj/item/organ/external/temp = H.bodyparts_by_name["r_hand"]
		if(user.hand)
			temp = H.bodyparts_by_name["l_hand"]
		if(!temp)
			to_chat(user, "<span class='warning'>You try to use your hand, but it's missing!</span>")
			return 0
		if(temp && !temp.is_usable())
			to_chat(user, "<span class='warning'>You try to move your [temp.name], but cannot!</span>")
			return 0

	if((resistance_flags & ON_FIRE) && !pickupfireoverride)
		var/mob/living/carbon/human/H = user
		if(istype(H))
			if(H.gloves && (H.gloves.max_heat_protection_temperature > 360))
				extinguish()
				to_chat(user, "<span class='notice'>You put out the fire on [src].</span>")
			else
				to_chat(user, "<span class='warning'>You burn your hand on [src]!</span>")
				var/obj/item/organ/external/affecting = H.get_organ("[user.hand ? "l" : "r" ]_arm")
				if(affecting && affecting.receive_damage(0, 5))		// 5 burn damage
					H.UpdateDamageIcon()
				return
		else
			extinguish()

	if(acid_level > 20 && !ismob(loc))// so we can still remove the clothes on us that have acid.
		var/mob/living/carbon/human/H = user
		if(istype(H))
			if(!H.gloves || (!(H.gloves.resistance_flags & (UNACIDABLE|ACID_PROOF))))
				to_chat(user, "<span class='warning'>The acid on [src] burns your hand!</span>")
				var/obj/item/organ/external/affecting = H.get_organ("[user.hand ? "l" : "r" ]_arm")
				if(affecting && affecting.receive_damage( 0, 5 ))		// 5 burn damage
					H.UpdateDamageIcon()

	if(isstorage(src.loc))
		//If the item is in a storage item, take it out
		var/obj/item/storage/S = src.loc
		S.remove_from_storage(src)

	if(throwing)
		throwing.finalize(FALSE)
	if(loc == user)
		if(!user.unEquip(src, silent = TRUE))
			return 0

	if(flags & ABSTRACT)
		return 0

	else
		if(isliving(loc))
			return 0

	pickup(user)
	add_fingerprint(user)
	if(!user.put_in_active_hand(src))
		dropped(user, TRUE)
		return FALSE

	return TRUE

/obj/item/attack_alien(mob/user)
	var/mob/living/carbon/alien/A = user

	if(!A.has_fine_manipulation)
		if(src in A.contents) // To stop Aliens having items stuck in their pockets
			A.unEquip(src)
		to_chat(user, "<span class='warning'>Your claws aren't capable of such fine manipulation!</span>")
		return
	attack_hand(A)

/obj/item/attack_ai(mob/user as mob)
	if(istype(src.loc, /obj/item/robot_module))
		//If the item is part of a cyborg module, equip it
		if(!isrobot(user))
			return
		var/mob/living/silicon/robot/R = user
		if(!R.low_power_mode) //can't equip modules with an empty cell.
			R.activate_module(src)
			R.hud_used.update_robot_modules_display()

// Due to storage type consolidation this should get used more now.
// I have cleaned it up a little, but it could probably use more.  -Sayu
/obj/item/attackby(obj/item/I, mob/user, params)
	if(isstorage(I))
		var/obj/item/storage/S = I
		if(S.use_to_pickup)
			if(S.pickup_all_on_tile) //Mode is set to collect all items on a tile and we clicked on a valid one.
				if(isturf(loc))
					var/list/rejections = list()
					var/success = 0
					var/failure = 0

					for(var/obj/item/IT in loc)
						if(IT.type in rejections) // To limit bag spamming: any given type only complains once
							continue
						if(!S.can_be_inserted(IT))	// Note can_be_inserted still makes noise when the answer is no
							rejections += IT.type	// therefore full bags are still a little spammy
							failure = 1
							continue
						success = 1
						S.handle_item_insertion(IT, 1)	//The 1 stops the "You put the [src] into [S]" insertion message from being displayed.
					if(success && !failure)
						to_chat(user, "<span class='notice'>You put everything in [S].</span>")
					else if(success)
						to_chat(user, "<span class='notice'>You put some things in [S].</span>")
					else
						to_chat(user, "<span class='notice'>You fail to pick anything up with [S].</span>")

			else if(S.can_be_inserted(src))
				S.handle_item_insertion(src)
	else if(istype(I, /obj/item/stack/tape_roll))
		if(isstorage(src)) //Don't tape the bag if we can put the duct tape inside it instead
			var/obj/item/storage/bag = src
			if(bag.can_be_inserted(I))
				return ..()
		var/obj/item/stack/tape_roll/TR = I
		var/list/clickparams = params2list(params)
		var/x_offset = text2num(clickparams["icon-x"])
		var/y_offset = text2num(clickparams["icon-y"])
		if(GetComponent(/datum/component/ducttape))
			to_chat(user, "<span class='notice'>[src] already has some tape attached!</span>")
			return
		if(TR.use(1))
			to_chat(user, "<span class='notice'>You apply some tape to [src].</span>")
			AddComponent(/datum/component/ducttape, src, user, x_offset, y_offset)
			anchored = TRUE
			user.transfer_fingerprints_to(src)
		else
			to_chat(user, "<span class='notice'>You don't have enough tape to do that!</span>")
	else
		return ..()

/obj/item/proc/hit_reaction(mob/living/carbon/human/owner, atom/movable/hitby, attack_text = "the attack", final_block_chance = 0, damage = 0, attack_type = MELEE_ATTACK)
	var/signal_result = SEND_SIGNAL(src, COMSIG_ITEM_HIT_REACT, owner, hitby, damage, attack_type) + prob(final_block_chance)
	if(signal_result != 0)
		if(hit_reaction_chance >= 0) //Normally used for non blocking hit reactions, but also used for displaying block message on actual blocks
			owner.visible_message("<span class='danger'>[owner] blocks [attack_text] with [src]!</span>")
		return signal_result
	return FALSE

// Generic use proc. Depending on the item, it uses up fuel, charges, sheets, etc.
// Returns TRUE on success, FALSE on failure.
/obj/item/proc/use(used)
	return !used

//Generic refill proc. Transfers something (e.g. fuel, charge) from an atom to our tool. returns TRUE if it was successful, FALSE otherwise
//Not sure if there should be an argument that indicates what exactly is being refilled
/obj/item/proc/refill(mob/user, atom/A, amount)
	return FALSE

/obj/item/proc/talk_into(mob/M, text, channel=null)
	return

/// Called when a mob drops an item.
/obj/item/proc/dropped(mob/user, silent = FALSE)
	SHOULD_CALL_PARENT(TRUE)
	for(var/X in actions)
		var/datum/action/A = X
		A.Remove(user)
	if(flags & DROPDEL)
		qdel(src)
	if((flags & NODROP) && !(initial(flags) & NODROP)) //Remove NODROP is dropped
		flags &= ~NODROP
	in_inventory = FALSE
	remove_outline()
	SEND_SIGNAL(src, COMSIG_ITEM_DROPPED,user)
	if(!silent)
		playsound(src, drop_sound, DROP_SOUND_VOLUME, ignore_walls = FALSE)

// called just as an item is picked up (loc is not yet changed)
/obj/item/proc/pickup(mob/user)
	SHOULD_CALL_PARENT(TRUE)
	SEND_SIGNAL(src, COMSIG_ITEM_PICKUP, user)
	in_inventory = TRUE

// called when this item is removed from a storage item, which is passed on as S. The loc variable is already set to the new destination before this is called.
/obj/item/proc/on_exit_storage(obj/item/storage/S as obj)
	in_storage = FALSE
	return

// called when this item is added into a storage item, which is passed on as S. The loc variable is already set to the storage item.
/obj/item/proc/on_enter_storage(obj/item/storage/S as obj)
	in_storage = TRUE
	return

/**
  * Called to check if this item can be put into a storage item.
  *
  * Return `FALSE` if `src` can't be inserted, and `TRUE` if it can.
  * Arguments:
  * * S - The [/obj/item/storage] that `src` is being inserted into.
  * * user - The mob trying to insert the item.
  */
/obj/item/proc/can_enter_storage(obj/item/storage/S, mob/user)
	return TRUE

// called when "found" in pockets and storage items. Returns 1 if the search should end.
/obj/item/proc/on_found(mob/finder as mob)
	return

// called when the giver gives it to the receiver
/obj/item/proc/on_give(mob/living/carbon/giver, mob/living/carbon/receiver)
	return

// called after an item is placed in an equipment slot
// user is mob that equipped it
// slot uses the slot_X defines found in setup.dm
// for items that can be placed in multiple slots
// Initial is used to indicate whether or not this is the initial equipment (job datums etc) or just a player doing it
/obj/item/proc/equipped(mob/user, slot, initial = FALSE)
	SEND_SIGNAL(src, COMSIG_ITEM_EQUIPPED, user, slot)
	for(var/X in actions)
		var/datum/action/A = X
		if(item_action_slot_check(slot, user)) //some items only give their actions buttons when in a specific slot.
			A.Grant(user)
	in_inventory = TRUE
	if(!initial)
		if(equip_sound && slot == slot_bitfield_to_slot(slot_flags))
			playsound(src, equip_sound, EQUIP_SOUND_VOLUME, TRUE, ignore_walls = FALSE)
		else if(slot == slot_l_hand || slot == slot_r_hand)
			playsound(src, pickup_sound, PICKUP_SOUND_VOLUME, ignore_walls = FALSE)

/obj/item/proc/item_action_slot_check(slot, mob/user)
	return 1

//returns 1 if the item is equipped by a mob, 0 otherwise.
//This might need some error trapping, not sure if get_equipped_items() is safe for non-human mobs.
/obj/item/proc/is_equipped()
	if(!ismob(loc))
		return 0

	var/mob/M = loc
	if(src in M.get_equipped_items())
		return 1
	else
		return 0

//the mob M is attempting to equip this item into the slot passed through as 'slot'. Return 1 if it can do this and 0 if it can't.
//If you are making custom procs but would like to retain partial or complete functionality of this one, include a 'return ..()' to where you want this to happen.
//Set disable_warning to 1 if you wish it to not give you outputs.
/obj/item/proc/mob_can_equip(mob/M, slot, disable_warning = 0)
	if(!M)
		return 0

	return M.can_equip(src, slot, disable_warning)

/obj/item/verb/verb_pickup()
	set src in oview(1)
	set category = null
	set name = "Pick up"

	if(!(usr)) //BS12 EDIT
		return
	if(usr.incapacitated() || !Adjacent(usr))
		return
	if(!iscarbon(usr) || isbrain(usr)) //Is humanoid, and is not a brain
		to_chat(usr, "<span class='warning'>You can't pick things up!</span>")
		return
	if(anchored) //Object isn't anchored
		to_chat(usr, "<span class='warning'>You can't pick that up!</span>")
		return
	if(!usr.hand && usr.r_hand) //Right hand is not full
		to_chat(usr, "<span class='warning'>Your right hand is full.</span>")
		return
	if(usr.hand && usr.l_hand) //Left hand is not full
		to_chat(usr, "<span class='warning'>Your left hand is full.</span>")
		return
	if(!isturf(loc)) //Object is on a turf
		to_chat(usr, "<span class='warning'>You can't pick that up!</span>")
		return
	//All checks are done, time to pick it up!
	usr.UnarmedAttack(src)


//This proc is executed when someone clicks the on-screen UI button.
//The default action is attack_self().
//Checks before we get to here are: mob is alive, mob is not restrained, paralyzed, asleep, resting, laying, item is on the mob.
/obj/item/proc/ui_action_click(mob/user, actiontype)
	attack_self(user)

/obj/item/proc/IsReflect(def_zone) //This proc determines if and at what% an object will reflect energy projectiles if it's in l_hand,r_hand or wear_suit
	return 0

/obj/item/proc/get_loc_turf()
	var/atom/L = loc
	while(L && !isturf(L))
		L = L.loc
	return loc

/obj/item/proc/eyestab(mob/living/carbon/M as mob, mob/living/carbon/user as mob)

	var/mob/living/carbon/human/H = M
	if(istype(H) && ( \
			(H.head && H.head.flags_cover & HEADCOVERSEYES) || \
			(H.wear_mask && H.wear_mask.flags_cover & MASKCOVERSEYES) || \
			(H.glasses && H.glasses.flags_cover & GLASSESCOVERSEYES) \
		))
		// you can't stab someone in the eyes wearing a mask!
		to_chat(user, "<span class='danger'>You're going to need to remove that mask/helmet/glasses first!</span>")
		return

	if(isalien(M) || isslime(M))//Aliens don't have eyes./N     slimes also don't have eyes!
		to_chat(user, "<span class='warning'>You cannot locate any eyes on this creature!</span>")
		return

	if(!iscarbon(user))
		M.LAssailant = null
	else
		M.LAssailant = user

	src.add_fingerprint(user)

	playsound(loc, src.hitsound, 30, 1, -1)

	user.do_attack_animation(M)

	if(M != user)
		M.visible_message("<span class='danger'>[user] has stabbed [M] in the eye with [src]!</span>", \
							"<span class='userdanger'>[user] stabs you in the eye with [src]!</span>")
	else
		user.visible_message( \
			"<span class='danger'>[user] has stabbed [user.p_themselves()] in the eyes with [src]!</span>", \
			"<span class='userdanger'>You stab yourself in the eyes with [src]!</span>" \
		)

	add_attack_logs(user, M, "Eye-stabbed with [src] ([uppertext(user.a_intent)])")

	if(istype(H))
		var/obj/item/organ/internal/eyes/eyes = H.get_int_organ(/obj/item/organ/internal/eyes)
		if(!eyes) // should still get stabbed in the head
			var/obj/item/organ/external/head/head = H.bodyparts_by_name["head"]
			if(head)
				head.receive_damage(rand(10, 14), 1)
			return
		eyes.receive_damage(rand(3,4), 1)
		if(eyes.damage >= eyes.min_bruised_damage)
			if(M.stat != 2)
				if(!eyes.is_robotic())  //robot eyes bleeding might be a bit silly
					to_chat(M, "<span class='danger'>Your eyes start to bleed profusely!</span>")
			if(prob(50))
				if(M.stat != DEAD)
					to_chat(M, "<span class='danger'>You drop what you're holding and clutch at your eyes!</span>")
					M.drop_item()
				M.AdjustEyeBlurry(20 SECONDS)
				M.Paralyse(2 SECONDS)
				M.Weaken(4 SECONDS)
			if(eyes.damage >= eyes.min_broken_damage)
				if(M.stat != 2)
					to_chat(M, "<span class='danger'>You go blind!</span>")
		var/obj/item/organ/external/affecting = H.get_organ("head")
		if(istype(affecting) && affecting.receive_damage(7))
			H.UpdateDamageIcon()
	else
		M.take_organ_damage(7)
	M.AdjustEyeBlurry(rand(6 SECONDS, 8 SECONDS))
	return

/obj/item/singularity_pull(S, current_size)
	..()
	if(current_size >= STAGE_FOUR)
		throw_at(S, 14, 3, spin = 0)
	else
		return

/obj/item/throw_impact(atom/hit_atom, datum/thrownthing/throwingdatum)
	if(hit_atom && !QDELETED(hit_atom))
		SEND_SIGNAL(src, COMSIG_MOVABLE_IMPACT, hit_atom, throwingdatum)
		var/itempush = TRUE
		if(w_class < WEIGHT_CLASS_BULKY)
			itempush = FALSE //too light to push anything
		if(isliving(hit_atom)) //Living mobs handle hit sounds differently.
			if(is_hot(src))
				var/mob/living/L = hit_atom
				L.IgniteMob()
			var/volume = get_volume_by_throwforce_and_or_w_class()
			if(throwforce > 0)
				if(mob_throw_hit_sound)
					playsound(hit_atom, mob_throw_hit_sound, volume, TRUE, -1)
				else if(hitsound)
					playsound(hit_atom, hitsound, volume, TRUE, -1)
				else
					playsound(hit_atom, 'sound/weapons/genhit.ogg', volume, TRUE, -1)
			else
				playsound(hit_atom, 'sound/weapons/throwtap.ogg', volume, TRUE, -1)

		else
			playsound(src, drop_sound, YEET_SOUND_VOLUME, ignore_walls = FALSE)
		return hit_atom.hitby(src, 0, itempush, throwingdatum = throwingdatum)

/obj/item/throw_at(atom/target, range, speed, mob/thrower, spin = 1, diagonals_first = 0, datum/callback/callback, force, dodgeable)
	thrownby = thrower?.UID()
	callback = CALLBACK(src, PROC_REF(after_throw), callback) //replace their callback with our own
	. = ..(target, range, speed, thrower, spin, diagonals_first, callback, force, dodgeable)

/obj/item/proc/after_throw(datum/callback/callback)
	if(callback) //call the original callback
		. = callback.Invoke()
	throw_speed = initial(throw_speed) //explosions change this.
	in_inventory = FALSE

/obj/item/proc/pwr_drain()
	return 0 // Process Kill

/obj/item/proc/remove_item_from_storage(atom/newLoc) //please use this if you're going to snowflake an item out of a obj/item/storage
	if(!newLoc)
		return 0
	if(isstorage(loc))
		var/obj/item/storage/S = loc
		S.remove_from_storage(src,newLoc)
		return 1
	return 0


/obj/item/proc/wash(mob/user, atom/source)
	if(flags & ABSTRACT) //Abstract items like grabs won't wash. No-drop items will though because it's still technically an item in your hand.
		return
	to_chat(user, "<span class='notice'>You start washing [src]...</span>")
	if(!do_after(user, 40, target = source))
		return
	clean_blood()
	acid_level = 0
	user.visible_message("<span class='notice'>[user] washes [src] using [source].</span>", \
						"<span class='notice'>You wash [src] using [source].</span>")
	return 1

/obj/item/proc/is_crutch() //Does an item prop up a human mob and allow them to stand if they are missing a leg/foot?
	return 0

// Return true if you don't want regular throw handling
/obj/item/proc/override_throw(mob/user, atom/target)
	return FALSE

/obj/item/proc/is_equivalent(obj/item/I)
	return I == src

/obj/item/hitby(atom/movable/AM, skipcatch, hitpush, blocked, datum/thrownthing/throwingdatum)
	return SEND_SIGNAL(src, COMSIG_ATOM_HITBY, AM, skipcatch, hitpush, blocked, throwingdatum)

/obj/item/attack_hulk(mob/living/carbon/human/user)
	return FALSE

/obj/item/attack_animal(mob/living/simple_animal/M)
	if(can_be_hit)
		return ..()
	return FALSE

/obj/item/mech_melee_attack(obj/mecha/M)
	return 0

/obj/item/proc/openTip(location, control, params, user)
	openToolTip(user, src, params, title = name, content = "[desc]", theme = "")

/obj/item/MouseEntered(location, control, params)
	. = ..()
	if(in_inventory || in_storage)
		var/mob/user = usr
		if(!(user.client.prefs.toggles2 & PREFTOGGLE_2_HIDE_ITEM_TOOLTIPS))
			tip_timer = addtimer(CALLBACK(src, PROC_REF(openTip), location, control, params, user), 8, TIMER_STOPPABLE)
		if(QDELETED(src))
			return
		if(!(user.client.prefs.toggles2 & PREFTOGGLE_2_SEE_ITEM_OUTLINES))
			return
		var/mob/living/L = user
		if(istype(L) && HAS_TRAIT(L, TRAIT_HANDS_BLOCKED))
			apply_outline(L, COLOR_RED_GRAY) //if they're dead or handcuffed, let's show the outline as red to indicate that they can't interact with that right now
		else
			apply_outline(L) //if the player's alive and well we send the command with no color set, so it uses the theme's color

/obj/item/MouseExited()
	deltimer(tip_timer) //delete any in-progress timer if the mouse is moved off the item before it finishes
	closeToolTip(usr)
	remove_outline()

/obj/item/MouseDrop_T(obj/item/I, mob/user)
	if(!user || HAS_TRAIT(user, TRAIT_HANDS_BLOCKED) || src == I)
		return

	if(loc && I.loc == loc && isstorage(loc) && loc.Adjacent(user)) // Are we trying to swap two items in the storage?
		var/obj/item/storage/S = loc
		S.swap_items(src, I, user)
		remove_outline()
		return TRUE
	remove_outline() //get rid of the hover effect in case the mouse exit isn't called if someone drags and drops an item and somthing goes wrong

/obj/item/proc/apply_outline(mob/user, outline_color = null)
	if(!(in_inventory || in_storage) || QDELETED(src) || isobserver(user)) //cancel if the item isn't in an inventory, is being deleted, or if the person hovering is a ghost (so that people spectating you don't randomly make your items glow)
		return
	var/theme = lowertext(user.client.prefs.UI_style)
	if(!outline_color) //if we weren't provided with a color, take the theme's color
		switch(theme) //yeah it kinda has to be this way
			if("midnight")
				outline_color = COLOR_THEME_MIDNIGHT
			if("plasmafire")
				outline_color = COLOR_THEME_PLASMAFIRE
			if("retro")
				outline_color = COLOR_THEME_RETRO //just as garish as the rest of this theme
			if("slimecore")
				outline_color = COLOR_THEME_SLIMECORE
			if("operative")
				outline_color = COLOR_THEME_OPERATIVE
			if("clockwork")
				outline_color = COLOR_THEME_CLOCKWORK //if you want free gbp go fix the fact that clockwork's tooltip css is glass'
			if("glass")
				outline_color = COLOR_THEME_GLASS
			else //this should never happen, hopefully
				outline_color = COLOR_WHITE
	if(color)
		outline_color = COLOR_WHITE //if the item is recolored then the outline will be too, let's make the outline white so it becomes the same color instead of some ugly mix of the theme and the tint
	if(outline_filter)
		filters -= outline_filter
	outline_filter = filter(type = "outline", size = 1, color = outline_color)
	filters += outline_filter

/obj/item/proc/remove_outline()
	if(outline_filter)
		filters -= outline_filter
		outline_filter = null

// Returns a numeric value for sorting items used as parts in machines, so they can be replaced by the rped
/obj/item/proc/get_part_rating()
	return 0

/obj/item/proc/update_slot_icon()
	if(!ismob(loc))
		return
	var/mob/owner = loc
	var/flags = slot_flags
	if(flags & SLOT_OCLOTHING)
		owner.update_inv_wear_suit()
	if(flags & SLOT_ICLOTHING)
		owner.update_inv_w_uniform()
	if(flags & SLOT_GLOVES)
		owner.update_inv_gloves()
	if(flags & SLOT_EYES)
		owner.update_inv_glasses()
	if(flags & SLOT_EARS)
		owner.update_inv_ears()
	if(flags & SLOT_MASK)
		owner.update_inv_wear_mask()
	if(flags & SLOT_HEAD)
		owner.update_inv_head()
	if(flags & SLOT_FEET)
		owner.update_inv_shoes()
	if(flags & SLOT_ID)
		owner.update_inv_wear_id()
	if(flags & SLOT_BELT)
		owner.update_inv_belt()
	if(flags & SLOT_BACK)
		owner.update_inv_back()
	if(flags & SLOT_PDA)
		owner.update_inv_wear_pda()

/// Called on cyborg items that need special charging behavior. Override as needed for specific items.
/obj/item/proc/cyborg_recharge(coeff = 1, emagged = FALSE)
	return

// Access and Job stuff

/obj/item/proc/get_job_name() //Used in secHUD icon generation
	var/assignmentName = get_ID_assignment(if_no_id = "Unknown")
	var/rankName = get_ID_rank(if_no_id = "Unknown")

	var/job_icons = get_all_job_icons()
	var/centcom = get_all_centcom_jobs()
	var/solgov = get_all_solgov_jobs()
	var/soviet = get_all_soviet_jobs()

	if((assignmentName in centcom) || (rankName in centcom)) //Return with the NT logo if it is a Centcom job
		return "Centcom"

	if((assignmentName in solgov) || (rankName in solgov)) //Return with the SolGov logo if it is a SolGov job
		return "solgov"

	if((assignmentName in soviet) || (rankName in soviet)) //Return with the U.S.S.P logo if it is a Soviet job
		return "soviet"

	if(assignmentName in job_icons) //Check if the job has a hud icon
		return assignmentName
	if(rankName in job_icons)
		return rankName

	return "Unknown" //Return unknown if none of the above apply

/obj/item/proc/get_ID_assignment(if_no_id = "No id")
	var/obj/item/card/id/id = GetID()
	if(istype(id)) // Make sure its actually an ID
		return id.assignment
	return if_no_id

/obj/item/proc/get_ID_rank(if_no_id = "No id")
	var/obj/item/card/id/id = GetID()
	if(istype(id)) // Make sure its actually an ID
		return id.rank
	return if_no_id

/obj/item/proc/GetAccess()
	return list()

/obj/item/proc/GetID()
	return null

/obj/item/proc/add_tape()
	return

/obj/item/proc/remove_tape()
	return

/obj/item/water_act(volume, temperature, source, method)
	. = ..()
	if(HAS_TRAIT(src, TRAIT_OIL_SLICKED))
		slowdown = initial(slowdown)
		remove_atom_colour(FIXED_COLOUR_PRIORITY)
		REMOVE_TRAIT(src, TRAIT_OIL_SLICKED, "potion")
		if(ishuman(loc))
			var/mob/living/carbon/human/H = loc
			H.regenerate_icons()

/obj/item/cleaning_act(mob/user, atom/cleaner, cleanspeed, text_verb, text_description, text_targetname)
	. = ..()
	if(HAS_TRAIT(src, TRAIT_OIL_SLICKED))
		slowdown = initial(slowdown)
		remove_atom_colour(FIXED_COLOUR_PRIORITY)
		REMOVE_TRAIT(src, TRAIT_OIL_SLICKED, "potion")
		if(ishuman(loc))
			var/mob/living/carbon/human/H = loc
			H.regenerate_icons()