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item.cpp
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item.cpp
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#include "item.h"
#include <algorithm>
#include <array>
#include <cctype>
#include <clocale>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <iomanip>
#include <iterator>
#include <limits>
#include <memory>
#include <optional>
#include <set>
#include <sstream>
#include <string>
#include <tuple>
#include <unordered_set>
#include <utility>
#include "ammo.h"
#include "ascii_art.h"
#include "avatar.h"
#include "bionics.h"
#include "bodygraph.h"
#include "bodypart.h"
#include "calendar.h"
#include "cata_assert.h"
#include "cata_utility.h"
#include "catacharset.h"
#include "character.h"
#include "character_id.h"
#include "character_martial_arts.h"
#include "city.h"
#include "clothing_mod.h"
#include "clzones.h"
#include "color.h"
#include "coordinates.h"
#include "craft_command.h"
#include "creature.h"
#include "damage.h"
#include "debug.h"
#include "dispersion.h"
#include "display.h"
#include "effect.h" // for weed_msg
#include "effect_source.h"
#include "enum_traits.h"
#include "enums.h"
#include "explosion.h"
#include "faction.h"
#include "fault.h"
#include "field_type.h"
#include "fire.h"
#include "flag.h"
#include "game.h"
#include "game_constants.h"
#include "gun_mode.h"
#include "iexamine.h"
#include "inventory.h"
#include "item_category.h"
#include "item_factory.h"
#include "item_group.h"
#include "item_tname.h"
#include "iteminfo_query.h"
#include "itype.h"
#include "iuse.h"
#include "iuse_actor.h"
#include "line.h"
#include "localized_comparator.h"
#include "magic.h"
#include "magic_enchantment.h"
#include "make_static.h"
#include "map.h"
#include "martialarts.h"
#include "material.h"
#include "messages.h"
#include "mod_manager.h"
#include "monster.h"
#include "mtype.h"
#include "mutation.h"
#include "npc.h"
#include "options.h"
#include "output.h"
#include "overmapbuffer.h"
#include "pimpl.h"
#include "pocket_type.h"
#include "point.h"
#include "proficiency.h"
#include "projectile.h"
#include "ranged.h"
#include "recipe.h"
#include "recipe_dictionary.h"
#include "relic.h"
#include "requirements.h"
#include "ret_val.h"
#include "rng.h"
#include "skill.h"
#include "stomach.h"
#include "string_formatter.h"
#include "string_id.h"
#include "string_id_utils.h"
#include "text_snippets.h"
#include "translations.h"
#include "trap.h"
#include "try_parse_integer.h"
#include "units.h"
#include "units_fwd.h"
#include "units_utility.h"
#include "value_ptr.h"
#include "vehicle.h"
#include "vitamin.h"
#include "veh_type.h"
#include "vpart_position.h"
#include "weather.h"
#include "weather_gen.h"
#include "weather_type.h"
static const std::string GUN_MODE_VAR_NAME( "item::mode" );
static const std::string CLOTHING_MOD_VAR_PREFIX( "clothing_mod_" );
static const ammo_effect_str_id ammo_effect_BLACKPOWDER( "BLACKPOWDER" );
static const ammo_effect_str_id ammo_effect_IGNITE( "IGNITE" );
static const ammo_effect_str_id ammo_effect_INCENDIARY( "INCENDIARY" );
static const ammo_effect_str_id ammo_effect_MATCHHEAD( "MATCHHEAD" );
static const ammo_effect_str_id ammo_effect_NEVER_MISFIRES( "NEVER_MISFIRES" );
static const ammo_effect_str_id ammo_effect_RECYCLED( "RECYCLED" );
static const ammotype ammo_battery( "battery" );
static const ammotype ammo_bolt( "bolt" );
static const ammotype ammo_money( "money" );
static const ammotype ammo_plutonium( "plutonium" );
static const attack_vector_id attack_vector_vector_null( "vector_null" );
static const bionic_id bio_digestion( "bio_digestion" );
static const bodygraph_id bodygraph_full_body_iteminfo( "full_body_iteminfo" );
static const damage_type_id damage_acid( "acid" );
static const damage_type_id damage_bash( "bash" );
static const damage_type_id damage_bullet( "bullet" );
static const damage_type_id damage_cut( "cut" );
static const damage_type_id damage_heat( "heat" );
static const efftype_id effect_bleed( "bleed" );
static const efftype_id effect_cig( "cig" );
static const efftype_id effect_shakes( "shakes" );
static const efftype_id effect_sleep( "sleep" );
static const efftype_id effect_weed_high( "weed_high" );
static const fault_id fault_overheat_safety( "fault_overheat_safety" );
static const furn_str_id furn_f_metal_smoking_rack_active( "f_metal_smoking_rack_active" );
static const furn_str_id furn_f_smoking_rack_active( "f_smoking_rack_active" );
static const furn_str_id furn_f_water_mill_active( "f_water_mill_active" );
static const furn_str_id furn_f_wind_mill_active( "f_wind_mill_active" );
static const gun_mode_id gun_mode_REACH( "REACH" );
static const item_category_id item_category_container( "container" );
static const item_category_id item_category_drugs( "drugs" );
static const item_category_id item_category_food( "food" );
static const item_category_id item_category_maps( "maps" );
static const item_category_id item_category_spare_parts( "spare_parts" );
static const item_category_id item_category_tools( "tools" );
static const item_category_id item_category_weapons( "weapons" );
static const itype_id itype_arredondo_chute( "arredondo_chute" );
static const itype_id itype_barrel_small( "barrel_small" );
static const itype_id itype_battery( "battery" );
static const itype_id itype_blood( "blood" );
static const itype_id itype_brass_catcher( "brass_catcher" );
static const itype_id itype_bullet_crossbow( "bullet_crossbow" );
static const itype_id itype_cash_card( "cash_card" );
static const itype_id itype_disassembly( "disassembly" );
static const itype_id itype_hand_crossbow( "hand_crossbow" );
static const itype_id itype_joint_lit( "joint_lit" );
static const itype_id itype_null( "null" );
static const itype_id itype_power_cord( "power_cord" );
static const itype_id itype_rad_badge( "rad_badge" );
static const itype_id itype_rm13_armor( "rm13_armor" );
static const itype_id itype_stock_none( "stock_none" );
static const itype_id itype_tuned_mechanism( "tuned_mechanism" );
static const itype_id itype_water( "water" );
static const itype_id itype_water_clean( "water_clean" );
static const itype_id itype_waterproof_gunmod( "waterproof_gunmod" );
static const json_character_flag json_flag_CANNIBAL( "CANNIBAL" );
static const json_character_flag json_flag_CARNIVORE_DIET( "CARNIVORE_DIET" );
static const json_character_flag json_flag_IMMUNE_SPOIL( "IMMUNE_SPOIL" );
static const json_character_flag json_flag_PSYCHOPATH( "PSYCHOPATH" );
static const json_character_flag json_flag_SAPIOVORE( "SAPIOVORE" );
static const matec_id RAPID( "RAPID" );
static const material_id material_wool( "wool" );
static const mtype_id mon_human( "mon_human" );
static const mtype_id mon_zombie_smoker( "mon_zombie_smoker" );
static const mtype_id mon_zombie_soldier_no_weakpoints( "mon_zombie_soldier_no_weakpoints" );
static const mtype_id mon_zombie_survivor_no_weakpoints( "mon_zombie_survivor_no_weakpoints" );
static const mtype_id pseudo_debug_mon( "pseudo_debug_mon" );
static const quality_id qual_BOIL( "BOIL" );
static const quality_id qual_JACK( "JACK" );
static const quality_id qual_LIFT( "LIFT" );
static const skill_id skill_archery( "archery" );
static const skill_id skill_cooking( "cooking" );
static const skill_id skill_melee( "melee" );
static const skill_id skill_survival( "survival" );
static const skill_id skill_weapon( "weapon" );
static const species_id species_ROBOT( "ROBOT" );
static const sub_bodypart_str_id sub_body_part_torso_lower( "torso_lower" );
static const sub_bodypart_str_id sub_body_part_torso_upper( "torso_upper" );
static const trait_id trait_JITTERY( "JITTERY" );
static const trait_id trait_LIGHTWEIGHT( "LIGHTWEIGHT" );
static const trait_id trait_TOLERANCE( "TOLERANCE" );
static const trait_id trait_WOOLALLERGY( "WOOLALLERGY" );
static const vitamin_id vitamin_human_flesh_vitamin( "human_flesh_vitamin" );
// vitamin flags
static const std::string flag_NO_DISPLAY( "NO_DISPLAY" );
// fault flags
static const std::string flag_BLACKPOWDER_FOULING_DAMAGE( "BLACKPOWDER_FOULING_DAMAGE" );
// item pricing
static const int PRICE_FILTHY_MALUS = 100; // cents
static constexpr float MIN_LINK_EFFICIENCY = 0.001f;
class npc_class;
using npc_class_id = string_id<npc_class>;
light_emission nolight = {0, 0, 0};
// Returns the default item type, used for the null item (default constructed),
// the returned pointer is always valid, it's never cleared by the @ref Item_factory.
static const itype *nullitem()
{
static itype nullitem_m;
return &nullitem_m;
}
item &null_item_reference()
{
static item result{};
// reset it, in case a previous caller has changed it
result = item();
return result;
}
namespace item_internal
{
static bool goes_bad_temp_cache = false;
static const item *goes_bad_temp_cache_for = nullptr;
static bool goes_bad_cache_fetch()
{
return goes_bad_temp_cache;
}
static void goes_bad_cache_set( const item *i )
{
goes_bad_temp_cache = i->goes_bad();
goes_bad_temp_cache_for = i;
}
static void goes_bad_cache_unset()
{
goes_bad_temp_cache = false;
goes_bad_temp_cache_for = nullptr;
}
static bool goes_bad_cache_is_for( const item *i )
{
return goes_bad_temp_cache_for == i;
}
struct scoped_goes_bad_cache {
explicit scoped_goes_bad_cache( item *i ) {
goes_bad_cache_set( i );
}
~scoped_goes_bad_cache() {
goes_bad_cache_unset();
}
};
} // namespace item_internal
const int item::INFINITE_CHARGES = INT_MAX;
item::item() : bday( calendar::start_of_cataclysm )
{
type = nullitem();
charges = 0;
contents = item_contents( type->pockets );
select_itype_variant();
}
item::item( const itype *type, time_point turn, int qty ) : type( type ), bday( turn )
{
contents = item_contents( type->pockets );
if( type->countdown_interval > 0_seconds ) {
countdown_point = calendar::turn + type->countdown_interval;
}
item_vars = type->item_variables;
update_prefix_suffix_flags();
if( has_flag( flag_CORPSE ) ) {
corpse = &type->source_monster.obj();
if( !type->source_monster.is_null() && !type->source_monster->zombify_into.is_empty() &&
get_option<bool>( "ZOMBIFY_INTO_ENABLED" ) ) {
set_var( "zombie_form", type->source_monster->zombify_into.c_str() );
}
}
if( qty >= 0 ) {
if( type->can_have_charges() ) {
charges = qty;
} else if( qty > 1 ) {
debugmsg( "Tried to set charges for item %s that could not have them!", tname() );
}
} else {
if( type->tool && type->tool->rand_charges.size() > 1 ) {
const int charge_roll = rng( 1, type->tool->rand_charges.size() - 1 );
const int charge_count = rng( type->tool->rand_charges[charge_roll - 1],
type->tool->rand_charges[charge_roll] );
ammo_set( ammo_default(), charge_count );
} else {
charges = type->charges_default();
}
}
if( has_flag( flag_SPAWN_ACTIVE ) ) {
activate();
}
if( has_flag( flag_ENERGY_SHIELD ) ) {
const islot_armor *sh = find_armor_data();
set_var( "MAX_ENERGY_SHIELD_HP", sh->max_energy_shield_hp );
set_var( "ENERGY_SHIELD_HP", sh->max_energy_shield_hp );
}
if( has_flag( flag_COLLAPSE_CONTENTS ) ) {
for( item_pocket *pocket : contents.get_all_standard_pockets() ) {
pocket->settings.set_collapse( true );
}
} else {
auto const mag_filter = []( item_pocket const & pck ) {
return pck.is_type( pocket_type::MAGAZINE ) ||
pck.is_type( pocket_type::MAGAZINE_WELL );
};
for( item_pocket *pocket : contents.get_pockets( mag_filter ) ) {
pocket->settings.set_collapse( true );
}
}
if( has_flag( flag_NANOFAB_TEMPLATE ) ) {
itype_id nanofab_recipe =
item_group::item_from( type->nanofab_template_group ).typeId();
set_var( "NANOFAB_ITEM_ID", nanofab_recipe.str() );
}
select_itype_variant();
if( type->gun ) {
for( const itype_id &mod : type->gun->built_in_mods ) {
item it( mod, turn, qty );
it.set_flag( flag_IRREMOVABLE );
put_in( it, pocket_type::MOD );
}
for( const itype_id &mod : type->gun->default_mods ) {
put_in( item( mod, turn, qty ), pocket_type::MOD );
}
} else if( type->magazine ) {
if( type->magazine->count > 0 ) {
put_in( item( type->magazine->default_ammo, calendar::turn, type->magazine->count ),
pocket_type::MAGAZINE );
}
} else if( has_temperature() ) {
active = true;
last_temp_check = bday;
} else if( type->tool ) {
if( ammo_remaining() && !ammo_types().empty() ) {
ammo_set( ammo_default(), ammo_remaining() );
}
}
if( ( type->gun || type->tool ) && !magazine_integral() ) {
set_var( "magazine_converted", 1 );
}
if( !type->snippet_category.empty() ) {
snip_id = SNIPPET.random_id_from_category( type->snippet_category );
}
if( type->expand_snippets ) {
set_var( "description", SNIPPET.expand( type->description.translated() ) );
}
if( has_itype_variant() && itype_variant().expand_snippets ) {
set_var( "description", SNIPPET.expand( variant_description() ) );
}
if( current_phase == phase_id::PNULL ) {
current_phase = type->phase;
}
// item always has any relic properties from itype.
if( type->relic_data ) {
relic_data = type->relic_data;
}
}
item::item( const itype_id &id, time_point turn, int qty )
: item( find_type( id ), turn, qty ) {}
item::item( const itype *type, time_point turn, default_charges_tag )
: item( type, turn, type->charges_default() ) {}
item::item( const itype_id &id, time_point turn, default_charges_tag tag )
: item( find_type( id ), turn, tag ) {}
item::item( const itype *type, time_point turn, solitary_tag )
: item( type, turn, type->count_by_charges() ? 1 : -1 ) {}
item::item( const itype_id &id, time_point turn, solitary_tag tag )
: item( find_type( id ), turn, tag ) {}
safe_reference<item> item::get_safe_reference()
{
return anchor->reference_to( this );
}
static const item *get_most_rotten_component( const item &craft )
{
const item *most_rotten = nullptr;
for( const item_components::type_vector_pair &tvp : craft.components ) {
if( !tvp.second.front().goes_bad() ) {
// they're all the same type, so this should be the same for all
continue;
}
for( const item &it : tvp.second ) {
if( !most_rotten || it.get_relative_rot() > most_rotten->get_relative_rot() ) {
most_rotten = ⁢
}
}
}
return most_rotten;
}
// sorts with localized_compare, and enumerates entries, if more than \p max entries
// the rest are abbreviated into " and %d more"
static std::string enumerate_lcsorted_with_limit( const std::vector<std::string> &v,
const int max = 5 )
{
if( max < 1 ) {
debugmsg( "Expected max to be 1 or more" );
return std::string();
}
std::vector<std::string> c( std::min<size_t>( max, v.size() ) );
std::partial_sort_copy( v.begin(), v.end(), c.begin(), c.end(), localized_compare );
const int more = static_cast<int>( v.size() - c.size() );
if( more == 0 ) {
return enumerate_as_string( c );
}
const std::string res = enumerate_as_string( c, enumeration_conjunction::none );
return string_format( max == 1 ? _( "%s and %d more" ) : _( "%s, and %d more" ), res, more );
}
static time_duration get_shortest_lifespan_from_components( const item &craft )
{
const item *shortest_lifespan_component = nullptr;
time_duration shortest_lifespan = 0_turns;
for( const item_components::type_vector_pair &tvp : craft.components ) {
if( !tvp.second.front().goes_bad() ) {
// they're all the same type, so this should be the same for all
continue;
}
for( const item &it : tvp.second ) {
time_duration lifespan = it.get_shelf_life() - it.get_rot();
if( !shortest_lifespan_component || ( lifespan < shortest_lifespan ) ) {
shortest_lifespan_component = ⁢
shortest_lifespan = shortest_lifespan_component->get_shelf_life() -
shortest_lifespan_component->get_rot();
}
}
}
return shortest_lifespan;
}
static bool shelf_life_less_than_each_component( const item &craft )
{
for( const item_components::type_vector_pair &tvp : craft.components ) {
if( !tvp.second.front().goes_bad() || !tvp.second.front().is_comestible() ) {
// they're all the same type, so this should be the same for all
continue;
}
for( const item &it : tvp.second ) {
if( it.get_shelf_life() < craft.get_shelf_life() ) {
return false;
}
}
}
return true;
}
// There are two ways rot is inherited:
// 1) Inherit the remaining lifespan of the component with the lowest remaining lifespan
// 2) Inherit the relative rot of the component with the highest relative rot
//
// Method 1 is used when the result of the recipe has a lower maximum shelf life than all of
// its component's maximum shelf lives. Relative rot is not good to inherit in this case because
// it can make an extremely short resultant remaining lifespan on the product.
//
// Method 2 is used when any component has a longer maximum shelf life than the result does.
// Inheriting the lowest remaining lifespan can not be used in this case because it would break
// food preservation recipes.
static void inherit_rot_from_components( item &it )
{
if( shelf_life_less_than_each_component( it ) ) {
const time_duration shortest_lifespan = get_shortest_lifespan_from_components( it );
if( shortest_lifespan > 0_turns && shortest_lifespan < it.get_shelf_life() ) {
it.set_rot( it.get_shelf_life() - shortest_lifespan );
return;
}
// Fallthrough: shortest_lifespan <= 0_turns (all components are rotten)
}
const item *most_rotten = get_most_rotten_component( it );
if( most_rotten ) {
it.set_relative_rot( most_rotten->get_relative_rot() );
}
}
item::item( const recipe *rec, int qty, item_components items, std::vector<item_comp> selections )
: item( "craft", calendar::turn )
{
craft_data_ = cata::make_value<craft_data>();
craft_data_->making = rec;
craft_data_->disassembly = false;
craft_data_->batch_size = qty;
components = std::move( items );
craft_data_->comps_used = std::move( selections );
if( has_temperature() ) {
active = true;
last_temp_check = bday;
if( goes_bad() ) {
inherit_rot_from_components( *this );
}
}
for( item_components::type_vector_pair &tvp : components ) {
for( item &component : tvp.second ) {
for( const flag_id &f : component.get_flags() ) {
if( f->craft_inherit() ) {
set_flag( f );
}
}
for( const flag_id &f : component.type->get_flags() ) {
if( f->craft_inherit() ) {
set_flag( f );
}
}
}
}
}
item::item( const recipe *rec, int qty, item &component )
: item( "disassembly", calendar::turn )
{
craft_data_ = cata::make_value<craft_data>();
craft_data_->making = rec;
craft_data_->disassembly = true;
craft_data_->batch_size = qty;
item_components items;
items.add( component );
components = items;
if( has_temperature() ) {
active = true;
last_temp_check = bday;
if( goes_bad() ) {
inherit_rot_from_components( *this );
}
}
for( item_components::type_vector_pair &tvp : components ) {
for( item &comp : tvp.second ) {
for( const flag_id &f : comp.get_flags() ) {
if( f->craft_inherit() ) {
set_flag( f );
}
}
for( const flag_id &f : comp.type->get_flags() ) {
if( f->craft_inherit() ) {
set_flag( f );
}
}
}
}
}
item::item( const item & ) = default;
item::item( item && ) noexcept = default;
item::~item() = default;
item &item::operator=( const item & ) = default;
item &item::operator=( item && ) noexcept = default;
item item::make_corpse( const mtype_id &mt, time_point turn, const std::string &name,
const int upgrade_time )
{
if( !mt.is_valid() ) {
debugmsg( "tried to make a corpse with an invalid mtype id" );
}
std::string corpse_type = mt == mtype_id::NULL_ID() ? "corpse_generic_human" : "corpse";
item result( corpse_type, turn );
result.corpse = &mt.obj();
if( result.corpse->has_flag( mon_flag_REVIVES ) ) {
if( one_in( 20 ) ) {
result.set_flag( flag_REVIVE_SPECIAL );
}
result.set_var( "upgrade_time", std::to_string( upgrade_time ) );
}
if( !mt->zombify_into.is_empty() && get_option<bool>( "ZOMBIFY_INTO_ENABLED" ) ) {
result.set_var( "zombie_form", mt->zombify_into.c_str() );
}
// This is unconditional because the const itemructor above sets result.name to
// "human corpse".
result.corpse_name = name;
return result;
}
item &item::convert( const itype_id &new_type, Character *carrier )
{
// Carry over relative rot similar to crafting
const double rel_rot = get_relative_rot();
type = find_type( new_type );
set_relative_rot( rel_rot );
requires_tags_processing = true; // new type may have "active" flags
item temp( *this );
temp.contents = item_contents( type->pockets );
for( const item *it : contents.mods() ) {
if( !temp.put_in( *it, pocket_type::MOD ).success() ) {
debugmsg( "failed to insert mod" );
}
}
temp.update_modified_pockets();
temp.contents.combine( contents, true );
contents = temp.contents;
current_phase = new_type->phase;
if( count_by_charges() != new_type->count_by_charges() ) {
charges = new_type->charges_default();
}
if( temp.type->countdown_interval > 0_seconds ) {
countdown_point = calendar::turn + type->countdown_interval;
active = true;
}
if( carrier && carrier->has_item( *this ) ) {
carrier->on_item_acquire( *this );
}
item_counter = 0;
update_link_traits();
update_prefix_suffix_flags();
return *this;
}
item &item::deactivate( Character *ch, bool alert )
{
if( !active ) {
return *this; // no-op
}
if( type->revert_to ) {
if( ch && alert && !type->tool->revert_msg.empty() ) {
ch->add_msg_if_player( m_info, type->tool->revert_msg.translated(), tname() );
}
convert( *type->revert_to );
active = false;
if( ch ) {
ch->clear_inventory_search_cache();
}
}
return *this;
}
item &item::activate()
{
if( active ) {
return *this; // no-op
}
active = true;
return *this;
}
bool item::activate_thrown( const tripoint_bub_ms &pos )
{
return type->invoke( nullptr, *this, pos.raw() ).value_or( 0 );
}
units::energy item::mod_energy( const units::energy &qty )
{
if( !is_vehicle_battery() ) {
debugmsg( "Tried to set energy of non-battery item" );
return 0_J;
}
units::energy val = energy_remaining( nullptr ) + qty;
if( val < 0_J ) {
return val;
} else if( val > type->battery->max_capacity ) {
energy = type->battery->max_capacity;
} else {
energy = val;
}
return 0_J;
}
item &item::ammo_set( const itype_id &ammo, int qty )
{
if( !ammo->ammo ) {
if( !has_flag( flag_USES_BIONIC_POWER ) ) {
debugmsg( "can't set ammo %s in %s as it is not an ammo", ammo.c_str(), type_name() );
}
return *this;
}
const ammotype &ammo_type = ammo->ammo->type;
if( qty < 0 ) {
// completely fill an integral or existing magazine
//if( magazine_current() ) then we need capacity of the magazine instead of the item maybe?
if( magazine_integral() || magazine_current() ) {
qty = ammo_capacity( ammo_type );
// else try to add a magazine using default ammo count property if set
} else if( !magazine_default( true ).is_null() ) {
item mag( magazine_default( true ) );
if( mag.type->magazine->count > 0 ) {
qty = mag.type->magazine->count;
} else {
qty = mag.ammo_capacity( ammo_type );
}
}
}
if( qty <= 0 ) {
ammo_unset();
return *this;
}
// handle reloadable tools and guns with no specific ammo type as special case
if( ammo.is_null() && ammo_types().empty() ) {
if( magazine_integral() ) {
if( is_tool() ) {
charges = std::min( qty, ammo_capacity( ammo_type ) );
} else if( is_gun() ) {
const item temp_ammo( ammo_default(), calendar::turn, std::min( qty, ammo_capacity( ammo_type ) ) );
put_in( temp_ammo, pocket_type::MAGAZINE );
}
}
return *this;
}
// check ammo is valid for the item
std::set<itype_id> mags = magazine_compatible();
if( ammo_types().count( ammo_type ) == 0 && !( magazine_current() &&
magazine_current()->ammo_types().count( ammo_type ) ) &&
!std::any_of( mags.begin(), mags.end(), [&ammo_type]( const itype_id & mag ) {
return mag->magazine->type.count( ammo_type );
} ) ) {
debugmsg( "Tried to set invalid ammo of %s for %s", ammo.c_str(), typeId().c_str() );
return *this;
}
if( is_magazine() ) {
ammo_unset();
item set_ammo( ammo, calendar::turn, std::min( qty, ammo_capacity( ammo_type ) ) );
if( has_flag( flag_NO_UNLOAD ) ) {
set_ammo.set_flag( flag_NO_DROP );
set_ammo.set_flag( flag_IRREMOVABLE );
}
put_in( set_ammo, pocket_type::MAGAZINE );
} else {
if( !magazine_current() ) {
itype_id mag = magazine_default();
if( !mag->magazine ) {
debugmsg( "Tried to set ammo of %s without suitable magazine for %s",
ammo.c_str(), typeId().c_str() );
return *this;
}
item mag_item( mag );
// if default magazine too small fetch instead closest available match
if( mag_item.ammo_capacity( ammo_type ) < qty ) {
std::vector<item> opts;
for( const itype_id &mag_type : mags ) {
if( mag_type->magazine->type.count( ammo_type ) ) {
opts.emplace_back( mag_type );
}
}
if( opts.empty() ) {
const std::string magazines_str = enumerate_as_string( mags,
[]( const itype_id & mag ) {
const std::string ammotype_str = enumerate_as_string( mag->magazine->type,
[]( const ammotype & a ) {
return a.str();
} );
return string_format( _( "%s (taking %s)" ), mag.str(), ammotype_str );
} );
debugmsg( "Cannot find magazine fitting %s with any capacity for ammo %s "
"(ammotype %s). Magazines considered were %s",
typeId().str(), ammo.str(), ammo_type.str(), magazines_str );
return *this;
}
std::sort( opts.begin(), opts.end(), [&ammo_type]( const item & lhs, const item & rhs ) {
return lhs.ammo_capacity( ammo_type ) < rhs.ammo_capacity( ammo_type );
} );
auto iter = std::find_if( opts.begin(), opts.end(), [&qty, &ammo_type]( const item & mag ) {
return mag.ammo_capacity( ammo_type ) >= qty;
} );
if( iter != opts.end() ) {
mag = iter->typeId();
} else {
mag = opts.back().typeId();
}
}
put_in( item( mag ), pocket_type::MAGAZINE_WELL );
}
item *mag_cur = magazine_current();
if( mag_cur != nullptr ) {
mag_cur->ammo_set( ammo, qty );
}
}
return *this;
}
item &item::ammo_unset()
{
if( !is_tool() && !is_gun() && !is_magazine() ) {
// do nothing
} else if( is_magazine() ) {
if( is_money() ) { // charges are set wrong on cash cards.
charges = 0;
}
contents.clear_magazines();
} else if( magazine_integral() ) {
charges = 0;
if( is_gun() ) {
contents.clear_magazines();
}
} else if( magazine_current() ) {
magazine_current()->ammo_unset();
}
return *this;
}
int item::damage() const
{
return damage_;
}
int item::degradation() const
{
return degradation_;
}
void item::rand_degradation()
{
if( type->degrade_increments() == 0 ) {
return; // likely count_by_charges
}
set_degradation( rng( 0, damage() ) * 50.0f / type->degrade_increments() );
}
int item::damage_level( bool precise ) const
{
return precise ? damage_ : type->damage_level( damage_ );
}
float item::damage_adjusted_melee_weapon_damage( float value ) const
{
if( type->count_by_charges() ) {
return value; // count by charges items don't have partial damage
}
return value * ( 1.0f - 0.1f * std::max( 0, damage_level() - 1 ) );
}
float item::damage_adjusted_gun_damage( float value ) const
{
if( type->count_by_charges() ) {
return value; // count by charges items don't have partial damage
}
return value - 2 * std::max( 0, damage_level() - 1 );
}
float item::damage_adjusted_armor_resist( float value ) const
{
if( type->count_by_charges() ) {
return value; // count by charges items don't have partial damage
}
return value * ( 1.0f - std::max( 0, damage_level() - 1 ) * 0.125f );
}
void item::set_damage( int qty )
{
damage_ = std::clamp( qty, degradation_, max_damage() );
}
void item::set_degradation( int qty )
{
if( type->degrade_increments() > 0 ) {
degradation_ = std::clamp( qty, 0, max_damage() );
} else {
degradation_ = 0;
}
set_damage( damage_ );
}
item item::split( int qty )
{
if( !count_by_charges() || qty <= 0 || qty >= charges ) {
return item();
}
item res = *this;
res.charges = qty;
charges -= qty;
return res;
}
bool item::is_null() const
{
// Actually, type should never by null at all.
return ( type == nullptr || type == nullitem() || typeId().is_null() );
}
bool item::is_frozen_liquid() const
{
return made_of( phase_id::SOLID ) && made_of_from_type( phase_id::LIQUID );
}
bool item::covers( const sub_bodypart_id &bp, bool check_ablative_armor ) const
{
// if the item has no armor data it doesn't cover that part
const islot_armor *armor = find_armor_data();
if( armor == nullptr ) {
return false;
}
bool has_sub_data = false;
// If the item has no sub location info and covers the part's parent,
// then assume that the item covers that sub body part.
for( const armor_portion_data &data : armor->sub_data ) {
if( !data.sub_coverage.empty() ) {
has_sub_data = true;
}
}
if( !has_sub_data ) {
return covers( bp->parent );
}
bool does_cover = false;
bool subpart_cover = false;
iterate_covered_sub_body_parts_internal( get_side(), [&]( const sub_bodypart_str_id & covered ) {
does_cover = does_cover || bp == covered;
}, check_ablative_armor );
return does_cover || subpart_cover;
}
bool item::covers( const bodypart_id &bp, bool check_ablative_armor ) const
{
bool does_cover = false;
bool subpart_cover = false;
iterate_covered_body_parts_internal( get_side(), [&]( const bodypart_str_id & covered ) {
does_cover = does_cover || bp == covered;
}, check_ablative_armor );
return does_cover || subpart_cover;
}