/obj/structure
	icon = 'icons/obj/structures.dmi'
	pressure_resistance = 8
	obj_integrity = 300
	max_integrity = 300
	var/climb_time = 20
	var/climb_stun = 2
	var/climbable = FALSE
	var/mob/structureclimber
	var/broken = 0 //similar to machinery's stat BROKEN

/obj/structure/New()
	if (!armor)
		armor = list(melee = 0, bullet = 0, laser = 0, energy = 0, bomb = 0, bio = 0, rad = 0, fire = 50, acid = 50)
	..()
	if(smooth)
		queue_smooth(src)
		queue_smooth_neighbors(src)
		icon_state = ""
	if(ticker)
		cameranet.updateVisibility(src)

/obj/structure/Destroy()
	if(ticker)
		cameranet.updateVisibility(src)
	if(opacity)
		UpdateAffectingLights()
	if(smooth)
		queue_smooth_neighbors(src)
	return ..()

/obj/structure/attack_hand(mob/user)
	. = ..()
	add_fingerprint(user)
	if(structureclimber && structureclimber != user)
		user.changeNext_move(CLICK_CD_MELEE)
		user.do_attack_animation(src)
		structureclimber.Weaken(2)
		structureclimber.visible_message("<span class='warning'>[structureclimber.name] has been knocked off the [src]", "You're knocked off the [src]!", "You see [structureclimber.name] get knocked off the [src]</span>")
	interact(user)

/obj/structure/interact(mob/user)
	ui_interact(user)

/obj/structure/ui_act(action, params)
	..()
	add_fingerprint(usr)

/obj/structure/MouseDrop_T(atom/movable/O, mob/user)
	. = ..()
	if(!climbable)
		return
	if(ismob(O) && user == O && iscarbon(user))
		if(user.canmove)
			climb_structure(user)
			return
	if ((!( istype(O, /obj/item/weapon) ) || user.get_active_held_item() != O))
		return
	if(iscyborg(user))
		return
	if(!user.drop_item())
		return
	if (O.loc != src.loc)
		step(O, get_dir(O, src))
	return

/obj/structure/proc/climb_structure(mob/user)
	src.add_fingerprint(user)
	user.visible_message("<span class='warning'>[user] starts climbing onto [src].</span>", \
								"<span class='notice'>You start climbing onto [src]...</span>")
	var/adjusted_climb_time = climb_time
	if(user.restrained()) //climbing takes twice as long when restrained.
		adjusted_climb_time *= 2
	if(isalien(user))
		adjusted_climb_time *= 0.25 //aliens are terrifyingly fast
	structureclimber = user
	if(do_mob(user, user, adjusted_climb_time))
		if(src.loc) //Checking if structure has been destroyed
			density = 0
			if(step(user,get_dir(user,src.loc)))
				user.visible_message("<span class='warning'>[user] climbs onto [src].</span>", \
									"<span class='notice'>You climb onto [src].</span>")
				add_logs(user, src, "climbed onto")
				user.Stun(climb_stun)
				. = 1
			else
				user << "<span class='warning'>You fail to climb onto [src].</span>"
			density = 1
	structureclimber = null

/obj/structure/examine(mob/user)
	..()
	if(!(resistance_flags & INDESTRUCTIBLE))
		if(resistance_flags & ON_FIRE)
			user << "<span class='warning'>It's on fire!</span>"
		if(broken)
			user << "<span class='notice'>It looks broken.</span>"
		var/examine_status = examine_status()
		if(examine_status)
			user << examine_status

/obj/structure/proc/examine_status() //An overridable proc, mostly for falsewalls.
	var/healthpercent = (obj_integrity/max_integrity) * 100
	switch(healthpercent)
		if(100 to INFINITY)
			return  "It seems pristine and undamaged."
		if(50 to 100)
			return  "It looks slightly damaged."
		if(25 to 50)
			return  "It appears heavily damaged."
		if(0 to 25)
			return  "<span class='warning'>It's falling apart!</span>"