taste.dm

#define DEFAULT_TASTE_SENSITIVITY 15

/mob/living
	var/last_taste_time
	var/last_taste_text

/**
 * Gets taste sensitivity of given mob
 *
 * This is used in calculating what flavours the mob can pick up,
 * with a lower number being able to pick up more distinct flavours.
 */
/mob/living/proc/get_taste_sensitivity()
	return DEFAULT_TASTE_SENSITIVITY

/mob/living/carbon/get_taste_sensitivity()
	var/obj/item/organ/internal/tongue/tongue = get_organ_slot(ORGAN_SLOT_TONGUE)
	if(istype(tongue))
		. = tongue.taste_sensitivity
	else
		// carbons without tongues normally have TRAIT_AGEUSIA but sensible fallback
		. = DEFAULT_TASTE_SENSITIVITY

/**
 * Non destructively tastes a reagent container
 * and gives feedback to the user.
 **/
/mob/living/proc/taste(datum/reagents/from)
	if(HAS_TRAIT(src, TRAIT_AGEUSIA))
		return

	if(last_taste_time + 50 < world.time)
		var/taste_sensitivity = get_taste_sensitivity()
		var/text_output = from.generate_taste_message(src, taste_sensitivity)
		// We dont want to spam the same message over and over again at the
		// person. Give it a bit of a buffer.
		if(get_timed_status_effect_duration(/datum/status_effect/hallucination) > 100 SECONDS && prob(25))
			text_output = pick("spiders","dreams","nightmares","the future","the past","victory",\
			"defeat","pain","bliss","revenge","poison","time","space","death","life","truth","lies","justice","memory",\
			"regrets","your soul","suffering","music","noise","blood","hunger","the american way")
		if(text_output != last_taste_text || last_taste_time + 100 < world.time)
			to_chat(src, span_notice("You can taste [text_output]."))
			// "something indescribable" -> too many tastes, not enough flavor.

			last_taste_time = world.time
			last_taste_text = text_output

/**
 * Gets food flags that this mob likes
 **/
/mob/living/proc/get_liked_foodtypes()
	return NONE

/mob/living/carbon/get_liked_foodtypes()
	var/obj/item/organ/internal/tongue/tongue = get_organ_slot(ORGAN_SLOT_TONGUE)
	// No tongue, no tastin'
	if(!tongue?.sense_of_taste || HAS_TRAIT(src, TRAIT_AGEUSIA))
		return NONE
	// Handled in here since the brain trauma can't modify taste directly (/datum/brain_trauma/severe/flesh_desire)
	if(HAS_TRAIT(src, TRAIT_FLESH_DESIRE))
		return GORE | MEAT
	return tongue.liked_foodtypes

/**
 * Gets food flags that this mob dislikes
 **/
/mob/living/proc/get_disliked_foodtypes()
	return NONE

/mob/living/carbon/get_disliked_foodtypes()
	var/obj/item/organ/internal/tongue/tongue = get_organ_slot(ORGAN_SLOT_TONGUE)
	// No tongue, no tastin'
	if(!tongue?.sense_of_taste || HAS_TRAIT(src, TRAIT_AGEUSIA))
		return NONE
	return tongue.disliked_foodtypes

/**
 * Gets food flags that this mob hates
 * Toxic food is the only category that ignores ageusia, KEEP IT LIKE THAT!
 **/
/mob/living/proc/get_toxic_foodtypes()
	return TOXIC

/mob/living/carbon/get_toxic_foodtypes()
	var/obj/item/organ/internal/tongue/tongue = get_organ_slot(ORGAN_SLOT_TONGUE)
	// No tongue, no tastin'
	if(!tongue)
		return TOXIC
	if(HAS_TRAIT(src, TRAIT_FLESH_DESIRE))
		return VEGETABLES | DAIRY | FRUIT | FRIED
	return tongue.toxic_foodtypes

/**
 * Gets food this mob is allergic to
 * Essentially toxic food+, not only disgusting but outright lethal
 */
/mob/living/proc/get_allergic_foodtypes()
	var/datum/quirk/item_quirk/food_allergic/allergy = get_quirk(/datum/quirk/item_quirk/food_allergic)
	return allergy?.target_foodtypes || NONE

/**
 * Gets the food reaction a mob would normally have from the given food item,
 * assuming that no check_liked callback was used in the edible component.
 *
 * Does not get called if the owner has ageusia.
 **/
/mob/living/proc/get_food_taste_reaction(obj/item/food, foodtypes)
	var/food_taste_reaction
	if(foodtypes & get_toxic_foodtypes())
		food_taste_reaction = FOOD_TOXIC
	else if(foodtypes & get_disliked_foodtypes())
		food_taste_reaction = FOOD_DISLIKED
	else if(foodtypes & get_liked_foodtypes())
		food_taste_reaction = FOOD_LIKED
	return food_taste_reaction

/mob/living/carbon/get_food_taste_reaction(obj/item/food, foodtypes)
	var/obj/item/organ/internal/tongue/tongue = get_organ_slot(ORGAN_SLOT_TONGUE)
	// No tongue, no tastin'
	if(!tongue?.sense_of_taste || HAS_TRAIT(src, TRAIT_AGEUSIA))
		// i hate that i have to do this, but we want to ensure toxic food is still BAD
		if(foodtypes & get_toxic_foodtypes())
			return FOOD_TOXIC
		return
	return tongue.get_food_taste_reaction(food, foodtypes)

#undef DEFAULT_TASTE_SENSITIVITY