//? Incapacitation

/**
 * default method of kicking a poor guy down to the ground
 *
 * @params
 * - amount - standard strength in deciseconds
 */
/mob/proc/default_combat_knockdown(amount)
	return afflict_knockdown(sqrt(40))

/mob/proc/is_stunned()
	RETURN_TYPE(/datum/status_effect)
	return has_status_effect(/datum/status_effect/incapacitation/stun)

/mob/proc/afflict_stun(amount)
	if(!(status_flags & STATUS_CAN_STUN))
		return FALSE
	apply_status_effect(/datum/status_effect/incapacitation/stun, amount)
	return TRUE

/mob/proc/set_stunned(amount)
	if(!(status_flags & STATUS_CAN_STUN))
		return FALSE
	if(amount == 0)
		remove_status_effect(/datum/status_effect/incapacitation/stun)
	else
		var/datum/status_effect/effect = is_stunned()
		if(effect)
			effect.set_duration_from_now(amount)
		else if(amount > 0)
			afflict_stun(amount)
	return TRUE

/mob/proc/adjust_stunned(amount)
	if(!(status_flags & STATUS_CAN_STUN))
		return FALSE
	var/datum/status_effect/effect = is_stunned()
	if(effect)
		effect.adjust_duration(amount)
	else if(amount > 0)
		afflict_stun(amount)
	return TRUE

/mob/proc/is_knockdown()
	RETURN_TYPE(/datum/status_effect)
	return has_status_effect(/datum/status_effect/incapacitation/knockdown)

/mob/proc/afflict_knockdown(amount)
	if(!(status_flags & STATUS_CAN_KNOCKDOWN))
		return FALSE
	apply_status_effect(/datum/status_effect/incapacitation/knockdown, amount)
	return TRUE

/mob/proc/set_knockdown(amount)
	if(!(status_flags & STATUS_CAN_KNOCKDOWN))
		return FALSE
	if(amount == 0)
		remove_status_effect(/datum/status_effect/incapacitation/knockdown)
	else
		var/datum/status_effect/effect = is_knockdown()
		if(effect)
			effect.set_duration_from_now(amount)
		else if(amount > 0)
			afflict_knockdown(amount)
	return TRUE

/mob/proc/adjust_knockdown(amount)
	if(!(status_flags & STATUS_CAN_KNOCKDOWN))
		return FALSE
	var/datum/status_effect/effect = is_knockdown()
	if(effect)
		effect.adjust_duration(amount)
	else if(amount > 0)
		afflict_knockdown(amount)
	return TRUE

/mob/proc/is_paralyzed()
	RETURN_TYPE(/datum/status_effect)
	return has_status_effect(/datum/status_effect/incapacitation/paralyze)

/mob/proc/afflict_paralyze(amount)
	if(!(status_flags & STATUS_CAN_PARALYZE))
		return FALSE
	apply_status_effect(/datum/status_effect/incapacitation/paralyze, amount)
	return TRUE

/mob/proc/adjust_paralyzed(amount)
	if(!(status_flags & STATUS_CAN_PARALYZE))
		return FALSE
	var/datum/status_effect/effect = is_paralyzed()
	if(effect)
		effect.adjust_duration(amount)
	else if(amount > 0)
		afflict_paralyze(amount)
	return TRUE

/mob/proc/set_paralyzed(amount)
	if(!(status_flags & STATUS_CAN_PARALYZE))
		return FALSE
	if(amount == 0)
		remove_status_effect(/datum/status_effect/incapacitation/paralyze)
	else
		var/datum/status_effect/effect = is_paralyzed()
		if(effect)
			effect.set_duration_from_now(amount)
		else if(amount > 0)
			afflict_paralyze(amount)
	return TRUE

/mob/proc/is_rooted()
	RETURN_TYPE(/datum/status_effect)
	return has_status_effect(/datum/status_effect/incapacitation/root)

/mob/proc/afflict_root(amount)
	if(!(status_flags & STATUS_CAN_ROOT))
		return FALSE
	apply_status_effect(/datum/status_effect/incapacitation/root, amount)
	return TRUE

/mob/proc/adjust_rooted(amount)
	if(!(status_flags & STATUS_CAN_ROOT))
		return FALSE
	var/datum/status_effect/effect = is_rooted()
	if(effect)
		effect.adjust_duration(amount)
	else if(amount > 0)
		afflict_root(amount)
	return TRUE

/mob/proc/set_rooted(amount)
	if(!(status_flags & STATUS_CAN_ROOT))
		return FALSE
	if(amount == 0)
		remove_status_effect(/datum/status_effect/incapacitation/root)
	else
		var/datum/status_effect/effect = is_rooted()
		if(effect)
			effect.set_duration_from_now(amount)
		else if(amount > 0)
			afflict_root(amount)
	return TRUE

/mob/proc/is_dazed()
	RETURN_TYPE(/datum/status_effect)
	return has_status_effect(/datum/status_effect/incapacitation/daze)

/mob/proc/afflict_daze(amount)
	if(!(status_flags & STATUS_CAN_ROOT))
		return FALSE
	apply_status_effect(/datum/status_effect/incapacitation/daze, amount)
	return TRUE

/mob/proc/adjust_dazed(amount)
	if(!(status_flags & STATUS_CAN_ROOT))
		return FALSE
	var/datum/status_effect/effect = is_dazed()
	if(effect)
		effect.adjust_duration(amount)
	else if(amount > 0)
		afflict_daze(amount)
	return TRUE

/mob/proc/set_dazed(amount)
	if(!(status_flags & STATUS_CAN_ROOT))
		return FALSE
	if(amount == 0)
		remove_status_effect(/datum/status_effect/incapacitation/daze)
	else
		var/datum/status_effect/effect = is_dazed()
		if(effect)
			effect.set_duration_from_now(amount)
		else if(amount > 0)
			afflict_daze(amount)
	return TRUE

/**
 * apply a staggering effect
 *
 * @params
 * * source - source enum
 * * strength - how strong of a slowdown. the maximum of all stagger effects is taken
 * * duration - how long to stagger for
 */
/mob/proc/afflict_stagger(source, strength, duration)
	apply_grouped_status_effect(/datum/status_effect/grouped/staggered, source, strength, duration)

/**
 * removes a staggering effect source
 *
 * @params
 * * source - source enum
 * * duration - the duration to remove. if null (default), removes all.
 */
/mob/proc/cure_stagger(source, duration)
	if(!isnull(duration))
		var/datum/status_effect/grouped/effect = is_staggered()
		effect.set_source(source, duration = duration)
		return
	remove_grouped_status_effect(/datum/status_effect/grouped/staggered, source)

/mob/proc/is_staggered()
	RETURN_TYPE(/datum/status_effect/grouped/staggered)
	return has_status_effect(/datum/status_effect/grouped/staggered)

/mob/proc/is_unconscious()
	RETURN_TYPE(/datum/status_effect)
	return has_status_effect(/datum/status_effect/incapacitation/unconscious)

/mob/proc/afflict_unconscious(amount)
	apply_status_effect(/datum/status_effect/incapacitation/unconscious, amount)
	return TRUE

/mob/proc/set_unconscious(amount)
	var/datum/status_effect/incapacitation/unconscious/effect = is_unconscious()
	if(isnull(effect))
		if(!amount)
			return
		apply_status_effect(/datum/status_effect/incapacitation/unconscious, amount)
	else
		effect.set_duration_from_now(amount)
	return TRUE

/mob/proc/adjust_unconscious(amount)
	var/datum/status_effect/incapacitation/unconscious/effect = is_unconscious()
	if(isnull(effect))
		if(amount <= 0)
			return
		apply_status_effect(/datum/status_effect/incapacitation/unconscious, amount)
	else
		effect.adjust_duration(amount)
	return TRUE

/mob/proc/is_sleeping()
	RETURN_TYPE(/datum/status_effect)
	return has_status_effect(/datum/status_effect/incapacitation/sleeping)

/mob/proc/afflict_sleeping(amount)
	apply_status_effect(/datum/status_effect/incapacitation/sleeping, amount)
	return TRUE

/mob/proc/set_sleeping(amount)
	var/datum/status_effect/incapacitation/sleeping/effect = is_sleeping()
	if(isnull(effect))
		if(!amount)
			return
		apply_status_effect(/datum/status_effect/incapacitation/sleeping, amount)
	else
		effect.set_duration_from_now(amount)
	return TRUE

/mob/proc/adjust_sleeping(amount)
	var/datum/status_effect/incapacitation/sleeping/effect = is_sleeping()
	if(isnull(effect))
		if(amount <= 0)
			return
		apply_status_effect(/datum/status_effect/incapacitation/sleeping, amount)
	else
		effect.adjust_duration(amount)
	return TRUE

/**
 * heals all incapacitation effects
 *
 * @params
 * * amount - if null, remove all immediately.
 */
/mob/proc/clear_all_incapacitation_effects(amount)
	ASSERT(isnull(amount) || amount > 0)
	for(var/datum/status_effect/incapacitation/path as anything in subtypesof(/datum/status_effect/incapacitation))
		var/datum/status_effect/incapacitation/effect = has_status_effect(path)
		if(isnull(effect))
			continue
		if(!isnull(amount))
			effect.adjust_duration(-amount)
		else
			qdel(effect)

//? legacy

/mob/proc/Confuse(amount)
	confused = max(confused, amount, 0)

/mob/proc/SetConfused(amount)
	confused = max(amount, 0)

/mob/proc/AdjustConfused(amount)
	confused = max(confused + amount, 0)

/mob/proc/add_blindness_source(source)
  ADD_TRAIT(src, TRAIT_BLIND, source)
  overlay_fullscreen("blind", /atom/movable/screen/fullscreen/scaled/blind)

/mob/proc/remove_blindness_source(source)
  REMOVE_TRAIT(src, TRAIT_BLIND, source)
  if(!HAS_TRAIT(src, TRAIT_BLIND))
    clear_fullscreen("blind")

/mob/proc/blindness_handle_reconnect()
	if(HAS_TRAIT(src, TRAIT_BLIND))
		clear_fullscreen("blind")
		overlay_fullscreen("blind", /atom/movable/screen/fullscreen/scaled/blind)