ret_val<edible_rating> player::will_eat( const item &food, bool interactive ) const
{
const auto ret = can_eat( food );
if( !ret.success() ) {
if( interactive ) {
add_msg_if_player( m_info, "%s", ret.c_str() );
}
return ret;
}
std::vector<ret_val<edible_rating>> consequences;
const auto add_consequence = [&consequences]( const std::string & msg, edible_rating code ) {
consequences.emplace_back( ret_val<edible_rating>::make_failure( code, msg ) );
};
const bool saprophage = has_trait( trait_id( "SAPROPHAGE" ) );
const auto &comest = food.type->comestible;
if( food.rotten() ) {
const bool saprovore = has_trait( trait_id( "SAPROVORE" ) );
if( !saprophage && !saprovore ) {
add_consequence( _( "This is rotten and smells awful!" ), ROTTEN );
}
}
const bool carnivore = has_trait( trait_id( "CARNIVORE" ) );
if( food.has_flag( "CANNIBALISM" ) && !has_trait_flag( "CANNIBAL" ) ) {
add_consequence( _( "The thought of eating human flesh makes you feel sick." ), CANNIBALISM );
}
const bool edible = comest->comesttype == "FOOD" || food.has_flag( "USE_EAT_VERB" );
if( edible && has_effect( effect_nausea ) ) {
add_consequence( _( "You still feel nauseous and will probably puke it all up again." ), NAUSEA );
}
if( ( allergy_type( food ) != MORALE_NULL ) || ( carnivore && food.has_flag( "ALLERGEN_JUNK" ) &&
!food.has_flag( "CARNIVORE_OK" ) ) ) {
add_consequence( _( "Your stomach won't be happy (allergy)." ), ALLERGY );
}
if( saprophage && edible && food.rotten() && !food.has_flag( "FERTILIZER" ) ) {
// Note: We're allowing all non-solid "food". This includes drugs
// Hard-coding fertilizer for now - should be a separate flag later
//~ No, we don't eat "rotten" food. We eat properly aged food, like a normal person.
//~ Semantic difference, but greatly facilitates people being proud of their character.
add_consequence( _( "Your stomach won't be happy (not rotten enough)." ), ALLERGY_WEAK );
}
const int nutr = nutrition_for( food );
const int quench = comest->quench;
const int temp_hunger = get_hunger() - nutr;
const int temp_thirst = get_thirst() - quench;
if( !has_active_mutation( trait_id( "EATHEALTH" ) ) &&
!has_active_mutation( trait_id( "HIBERNATE" ) ) &&
!has_trait( trait_id( "SLIMESPAWNER" ) ) ) {
if( get_hunger() < 0 && nutr >= 5 && !has_active_mutation( trait_id( "GOURMAND" ) ) ) {
add_consequence( _( "You're full already and will be forcing yourself to eat." ), TOO_FULL );
} else if( ( ( nutr > 0 && temp_hunger < stomach_capacity() ) ||
( comest->quench > 0 && temp_thirst < stomach_capacity() ) ) &&
!food.has_infinite_charges() ) {
add_consequence( _( "You will not be able to finish it all." ), TOO_FULL );
}
}
if( !consequences.empty() ) {
if( !interactive ) {
return consequences.front();
}
std::ostringstream req;
for( const auto &elem : consequences ) {
req << elem.str() << std::endl;
}
const bool eat_verb = food.has_flag( "USE_EAT_VERB" );
if( eat_verb || comest->comesttype == "FOOD" ) {
req << string_format( _( "Eat your %s anyway?" ), food.tname().c_str() );
} else if( !eat_verb && comest->comesttype == "DRINK" ) {
req << string_format( _( "Drink your %s anyway?" ), food.tname().c_str() );
} else {
req << string_format( _( "Consume your %s anyway?" ), food.tname().c_str() );
}
if( !query_yn( req.str() ) ) {
return consequences.front();
}
}
// All checks ended, it's edible (or we're pretending it is)
return ret_val<edible_rating>::make_success();
}
edible_rating player::can_eat( const item &food, bool interactive, bool force ) const
{
if( is_npc() || force ) {
// Just to be sure
interactive = false;
}
const std::string &itname = food.tname();
// Helper to avoid ton of `if( interactive )`
// Prints if interactive is true, does nothing otherwise
const auto maybe_print = [interactive, &itname]
( game_message_type type, const char *str ) {
if( interactive ) {
add_msg( type, str, itname.c_str() );
}
};
// As above, but for queries
// Asks if interactive and not force
// Always true if force
// Never true otherwise
const auto maybe_query = [force, interactive, &itname, this]( const char *str ) {
if( force ) {
return true;
} else if( !interactive ) {
return false;
}
return query_yn( str, itname.c_str() );
};
const auto comest = food.type->comestible.get();
if( comest == nullptr ) {
maybe_print( m_info, _( "That doesn't look edible." ) );
return INEDIBLE;
}
if( comest->tool != "null" ) {
bool has = has_amount( comest->tool, 1 );
if( item::count_by_charges( comest->tool ) ) {
has = has_charges( comest->tool, 1 );
}
if( !has ) {
if( interactive ) {
add_msg_if_player( m_info, _( "You need a %s to consume that!" ),
item::nname( comest->tool ).c_str() );
}
return NO_TOOL;
}
}
if( is_underwater() ) {
maybe_print( m_info, _( "You can't do that while underwater." ) );
return INEDIBLE;
}
// For all those folks who loved eating marloss berries. D:< mwuhahaha
if( has_trait( "M_DEPENDENT" ) && food.type->id != "mycus_fruit" ) {
maybe_print( m_info, _( "We can't eat that. It's not right for us." ) );
return INEDIBLE_MUTATION;
}
const bool drinkable = comest->comesttype == "DRINK" && !food.has_flag( "USE_EAT_VERB" );
// Here's why PROBOSCIS is such a negative trait.
if( has_trait( "PROBOSCIS" ) && !drinkable ) {
maybe_print( m_info, _( "Ugh, you can't drink that!" ) );
return INEDIBLE_MUTATION;
}
int capacity = stomach_capacity();
// TODO: Move this cache to a structure and pass it around
// to speed up checking entire inventory for edibles
const bool gourmand = has_trait( "GOURMAND" );
const bool hibernate = has_active_mutation( "HIBERNATE" );
const bool eathealth = has_trait( "EATHEALTH" );
const bool slimespawner = has_trait( "SLIMESPAWNER" );
const int nutr = nutrition_for( food.type );
const int quench = comest->quench;
bool spoiled = food.rotten();
const int temp_hunger = get_hunger() - nutr;
const int temp_thirst = get_thirst() - quench;
const bool overeating = get_hunger() < 0 && nutr >= 5 && !gourmand && !eathealth && !slimespawner &&
!hibernate;
if( interactive && hibernate &&
( get_hunger() >= -60 && get_thirst() >= -60 ) &&
( temp_hunger < -60 || temp_thirst < -60 ) ) {
if( !maybe_query( _( "You're adequately fueled. Prepare for hibernation?" ) ) ) {
return TOO_FULL;
}
}
const bool carnivore = has_trait( "CARNIVORE" );
if( carnivore && nutr > 0 &&
food.has_any_flag( carnivore_blacklist ) && !food.has_flag( "CARNIVORE_OK" ) ) {
maybe_print( m_info, _( "Eww. Inedible plant stuff!" ) );
return INEDIBLE_MUTATION;
}
if( ( has_trait( "HERBIVORE" ) || has_trait( "RUMINANT" ) ) &&
food.has_any_flag( herbivore_blacklist ) ) {
// Like non-cannibal, but more strict!
maybe_print( m_info, _( "The thought of eating that makes you feel sick. You decide not to." ) );
return INEDIBLE_MUTATION;
}
if( food.has_flag( "CANNIBALISM" ) ) {
if( !has_trait_flag( "CANNIBAL" ) &&
!maybe_query( _( "The thought of eating that makes you feel sick. Really do it?" ) ) ) {
return CANNIBALISM;
}
}
if( is_allergic( food ) &&
!maybe_query( _( "Really eat that %s? Your stomach won't be happy." ) ) ) {
return ALLERGY;
}
if( carnivore && food.has_flag( "ALLERGEN_JUNK" ) && !food.has_flag( "CARNIVORE_OK" ) &&
!maybe_query( _( "Really eat that %s? Your stomach won't be happy." ) ) ) {
return ALLERGY;
}
const bool saprophage = has_trait( "SAPROPHAGE" );
// The item is solid food
const bool chew = comest->comesttype == "FOOD" || food.has_flag( "USE_EAT_VERB" );
if( spoiled ) {
if( !saprophage && !has_trait( "SAPROVORE" ) &&
!maybe_query( _( "This %s smells awful! Eat it?" ) ) ) {
return ROTTEN;
}
} else if( saprophage && chew && !food.has_flag( "FERTILIZER" ) &&
!maybe_query( _( "Really eat that %s? Your stomach won't be happy." ) ) ) {
// Note: We're allowing all non-solid "food". This includes drugs
// Hardcoding fertilizer for now - should be a separate flag later
//~ No, we don't eat "rotten" food. We eat properly aged food, like a normal person.
//~ Semantic difference, but greatly facilitates people being proud of their character.
maybe_print( m_info, _( "It's too fresh, let it age a little first." ) );
return ROTTEN;
}
// Print at most one of those
bool overfull = false;
if( overeating ) {
overfull = !maybe_query( _( "You're full. Force yourself to eat?" ) );
} else if( ( ( nutr > 0 && temp_hunger < capacity ) ||
( comest->quench > 0 && temp_thirst < capacity ) ) &&
!eathealth && !slimespawner ) {
overfull = !maybe_query( _( "You will not be able to finish it all. Consume it?" ) );
}
if( overfull ) {
return TOO_FULL;
}
// All checks ended, it's edible (or we're pretending it is)
return EDIBLE;
}
