/
npc.cpp
3297 lines (2924 loc) · 100 KB
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npc.cpp
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#include "npc.h"
#include <algorithm>
#include <cassert>
#include <climits>
#include <cmath>
#include <cstdlib>
#include <functional>
#include <limits>
#include <memory>
#include "auto_pickup.h"
#include "avatar.h"
#include "basecamp.h"
#include "bodypart.h"
#include "character.h"
#include "character_id.h"
#include "character_martial_arts.h"
#include "clzones.h"
#include "compatibility.h"
#include "coordinate_conversions.h"
#include "damage.h"
#include "debug.h"
#include "effect.h"
#include "enums.h"
#include "event.h"
#include "event_bus.h"
#include "faction.h"
#include "flat_set.h"
#include "game.h"
#include "game_constants.h"
#include "game_inventory.h"
#include "int_id.h"
#include "item.h"
#include "item_contents.h"
#include "item_group.h"
#include "itype.h"
#include "iuse.h"
#include "iuse_actor.h"
#include "json.h"
#include "magic.h"
#include "map.h"
#include "map_iterator.h"
#include "mapdata.h"
#include "math_defines.h"
#include "messages.h"
#include "mission.h"
#include "monster.h"
#include "morale_types.h"
#include "mtype.h"
#include "mutation.h"
#include "npc_class.h"
#include "output.h"
#include "overmap.h"
#include "overmapbuffer.h"
#include "pathfinding.h"
#include "player_activity.h"
#include "pldata.h"
#include "ret_val.h"
#include "rng.h"
#include "skill.h"
#include "sounds.h"
#include "string_formatter.h"
#include "text_snippets.h"
#include "tileray.h"
#include "trait_group.h"
#include "translations.h"
#include "units.h"
#include "value_ptr.h"
#include "veh_type.h"
#include "vehicle.h"
#include "visitable.h"
#include "vpart_position.h"
static const activity_id ACT_READ( "ACT_READ" );
static const efftype_id effect_bouldering( "bouldering" );
static const efftype_id effect_contacts( "contacts" );
static const efftype_id effect_controlled( "controlled" );
static const efftype_id effect_drunk( "drunk" );
static const efftype_id effect_high( "high" );
static const efftype_id effect_infection( "infection" );
static const efftype_id effect_mending( "mending" );
static const efftype_id effect_npc_flee_player( "npc_flee_player" );
static const efftype_id effect_npc_suspend( "npc_suspend" );
static const efftype_id effect_pkill_l( "pkill_l" );
static const efftype_id effect_pkill1( "pkill1" );
static const efftype_id effect_pkill2( "pkill2" );
static const efftype_id effect_pkill3( "pkill3" );
static const efftype_id effect_ridden( "ridden" );
static const efftype_id effect_riding( "riding" );
static const skill_id skill_archery( "archery" );
static const skill_id skill_barter( "barter" );
static const skill_id skill_bashing( "bashing" );
static const skill_id skill_cutting( "cutting" );
static const skill_id skill_pistol( "pistol" );
static const skill_id skill_rifle( "rifle" );
static const skill_id skill_shotgun( "shotgun" );
static const skill_id skill_smg( "smg" );
static const skill_id skill_stabbing( "stabbing" );
static const skill_id skill_throw( "throw" );
static const bionic_id bio_eye_optic( "bio_eye_optic" );
static const bionic_id bio_memory( "bio_memory" );
static const trait_id trait_BEE( "BEE" );
static const trait_id trait_CANNIBAL( "CANNIBAL" );
static const trait_id trait_DEBUG_MIND_CONTROL( "DEBUG_MIND_CONTROL" );
static const trait_id trait_HALLUCINATION( "HALLUCINATION" );
static const trait_id trait_HYPEROPIC( "HYPEROPIC" );
static const trait_id trait_ILLITERATE( "ILLITERATE" );
static const trait_id trait_MUTE( "MUTE" );
static const trait_id trait_PROF_DICEMASTER( "PROF_DICEMASTER" );
static const trait_id trait_PSYCHOPATH( "PSYCHOPATH" );
static const trait_id trait_SAPIOVORE( "SAPIOVORE" );
static const trait_id trait_SCHIZOPHRENIC( "SCHIZOPHRENIC" );
static const trait_id trait_TERRIFYING( "TERRIFYING" );
static const std::string flag_NPC_SAFE( "NPC_SAFE" );
class monfaction;
void starting_clothes( npc &who, const npc_class_id &type, bool male );
void starting_inv( npc &who, const npc_class_id &type );
npc::npc()
: restock( calendar::turn_zero )
, companion_mission_time( calendar::before_time_starts )
, companion_mission_time_ret( calendar::before_time_starts )
, last_updated( calendar::turn )
{
submap_coords = point_zero;
position.x = -1;
position.y = -1;
position.z = 500;
last_player_seen_pos = cata::nullopt;
last_seen_player_turn = 999;
wanted_item_pos = no_goal_point;
guard_pos = no_goal_point;
goal = no_goal_point;
fetching_item = false;
has_new_items = true;
worst_item_value = 0;
str_max = 0;
dex_max = 0;
int_max = 0;
per_max = 0;
marked_for_death = false;
death_drops = true;
dead = false;
hit_by_player = false;
hallucination = false;
moves = 100;
mission = NPC_MISSION_NULL;
myclass = npc_class_id::NULL_ID();
fac_id = faction_id::NULL_ID();
patience = 0;
attitude = NPCATT_NULL;
*path_settings = pathfinding_settings( 0, 1000, 1000, 10, true, true, true, false, true );
for( direction threat_dir : npc_threat_dir ) {
ai_cache.threat_map[ threat_dir ] = 0.0f;
}
}
standard_npc::standard_npc( const std::string &name, const tripoint &pos,
const std::vector<itype_id> &clothing,
int sk_lvl, int s_str, int s_dex, int s_int, int s_per )
{
this->name = name;
position = pos;
str_cur = std::max( s_str, 0 );
str_max = std::max( s_str, 0 );
dex_cur = std::max( s_dex, 0 );
dex_max = std::max( s_dex, 0 );
per_cur = std::max( s_per, 0 );
per_max = std::max( s_per, 0 );
int_cur = std::max( s_int, 0 );
int_max = std::max( s_int, 0 );
recalc_hp();
for( int i = 0; i < num_hp_parts; i++ ) {
hp_cur[i] = hp_max[i];
}
for( auto &e : Skill::skills ) {
set_skill_level( e.ident(), std::max( sk_lvl, 0 ) );
}
for( const auto &e : clothing ) {
wear_item( item( e ) );
}
for( item &e : worn ) {
if( e.has_flag( "VARSIZE" ) ) {
e.item_tags.insert( "FIT" );
}
}
}
npc::npc( npc && ) = default;
npc &npc::operator=( npc && ) = default;
static std::map<string_id<npc_template>, npc_template> npc_templates;
void npc_template::load( const JsonObject &jsobj )
{
npc_template tem;
npc &guy = tem.guy;
guy.idz = jsobj.get_string( "id" );
guy.name.clear();
jsobj.read( "name_unique", tem.name_unique );
jsobj.read( "name_suffix", tem.name_suffix );
if( jsobj.has_string( "gender" ) ) {
if( jsobj.get_string( "gender" ) == "male" ) {
tem.gender_override = gender::male;
} else {
tem.gender_override = gender::female;
}
} else {
tem.gender_override = gender::random;
}
if( jsobj.has_string( "faction" ) ) {
guy.set_fac_id( jsobj.get_string( "faction" ) );
}
if( jsobj.has_int( "class" ) ) {
guy.myclass = npc_class::from_legacy_int( jsobj.get_int( "class" ) );
} else if( jsobj.has_string( "class" ) ) {
guy.myclass = npc_class_id( jsobj.get_string( "class" ) );
}
guy.set_attitude( static_cast<npc_attitude>( jsobj.get_int( "attitude" ) ) );
guy.mission = static_cast<npc_mission>( jsobj.get_int( "mission" ) );
guy.chatbin.first_topic = jsobj.get_string( "chat" );
if( jsobj.has_string( "mission_offered" ) ) {
guy.miss_ids.emplace_back( mission_type_id( jsobj.get_string( "mission_offered" ) ) );
} else if( jsobj.has_array( "mission_offered" ) ) {
for( const std::string line : jsobj.get_array( "mission_offered" ) ) {
guy.miss_ids.emplace_back( mission_type_id( line ) );
}
}
npc_templates.emplace( string_id<npc_template>( guy.idz ), std::move( tem ) );
}
void npc_template::reset()
{
npc_templates.clear();
}
void npc_template::check_consistency()
{
for( const auto &e : npc_templates ) {
const auto &guy = e.second.guy;
if( !guy.myclass.is_valid() ) {
debugmsg( "Invalid NPC class %s", guy.myclass.c_str() );
}
}
}
template<>
bool string_id<npc_template>::is_valid() const
{
return npc_templates.count( *this ) > 0;
}
template<>
const npc_template &string_id<npc_template>::obj() const
{
const auto found = npc_templates.find( *this );
if( found == npc_templates.end() ) {
debugmsg( "Tried to get invalid npc: %s", c_str() );
static const npc_template dummy{};
return dummy;
}
return found->second;
}
void npc::load_npc_template( const string_id<npc_template> &ident )
{
auto found = npc_templates.find( ident );
if( found == npc_templates.end() ) {
debugmsg( "Tried to get invalid npc: %s", ident.c_str() );
return;
}
const npc_template &tem = found->second;
const npc &tguy = tem.guy;
idz = tguy.idz;
myclass = npc_class_id( tguy.myclass );
randomize( myclass );
if( !tem.name_unique.empty() ) {
name = tem.name_unique.translated();
}
if( !tem.name_suffix.empty() ) {
//~ %1$s: npc name, %2$s: name suffix
name = string_format( pgettext( "npc name", "%1$s, %2$s" ), name, tem.name_suffix );
}
if( tem.gender_override != npc_template::gender::random ) {
male = tem.gender_override == npc_template::gender::male;
}
fac_id = tguy.fac_id;
set_fac( fac_id );
attitude = tguy.attitude;
mission = tguy.mission;
chatbin.first_topic = tguy.chatbin.first_topic;
for( const mission_type_id &miss_id : tguy.miss_ids ) {
add_new_mission( mission::reserve_new( miss_id, getID() ) );
}
}
npc::~npc() = default;
void npc::randomize( const npc_class_id &type )
{
if( !getID().is_valid() ) {
setID( g->assign_npc_id() );
}
weapon = item( "null", 0 );
inv.clear();
personality.aggression = rng( -10, 10 );
personality.bravery = rng( -3, 10 );
personality.collector = rng( -1, 10 );
personality.altruism = rng( -10, 10 );
moves = 100;
mission = NPC_MISSION_NULL;
male = one_in( 2 );
pick_name();
if( !type.is_valid() ) {
debugmsg( "Invalid NPC class %s", type.c_str() );
myclass = npc_class_id::NULL_ID();
} else if( type.is_null() ) {
myclass = npc_class::random_common();
} else {
myclass = type;
}
const auto &the_class = myclass.obj();
str_max = the_class.roll_strength();
dex_max = the_class.roll_dexterity();
int_max = the_class.roll_intelligence();
per_max = the_class.roll_perception();
for( auto &skill : Skill::skills ) {
int level = myclass->roll_skill( skill.ident() );
set_skill_level( skill.ident(), level );
}
if( type.is_null() ) { // Untyped; no particular specialization
} else if( type == NC_EVAC_SHOPKEEP ) {
personality.collector += rng( 1, 5 );
} else if( type == NC_BARTENDER ) {
personality.collector += rng( 1, 5 );
} else if( type == NC_JUNK_SHOPKEEP ) {
personality.collector += rng( 1, 5 );
} else if( type == NC_ARSONIST ) {
personality.aggression += rng( 0, 1 );
personality.collector += rng( 0, 2 );
} else if( type == NC_SOLDIER ) {
personality.aggression += rng( 1, 3 );
personality.bravery += rng( 0, 5 );
} else if( type == NC_HACKER ) {
personality.bravery -= rng( 1, 3 );
personality.aggression -= rng( 0, 2 );
} else if( type == NC_DOCTOR ) {
personality.aggression -= rng( 0, 4 );
cash += 10000 * rng( 0, 3 ) * rng( 0, 3 );
} else if( type == NC_TRADER ) {
personality.collector += rng( 1, 5 );
cash += 25000 * rng( 1, 10 );
} else if( type == NC_NINJA ) {
personality.bravery += rng( 0, 3 );
personality.collector -= rng( 1, 6 );
// TODO: give ninja his styles back
} else if( type == NC_COWBOY ) {
personality.aggression += rng( 0, 2 );
personality.bravery += rng( 1, 5 );
} else if( type == NC_SCIENTIST ) {
personality.aggression -= rng( 1, 5 );
personality.bravery -= rng( 2, 8 );
personality.collector += rng( 0, 2 );
} else if( type == NC_BOUNTY_HUNTER ) {
personality.aggression += rng( 1, 6 );
personality.bravery += rng( 0, 5 );
} else if( type == NC_THUG ) {
personality.aggression += rng( 1, 6 );
personality.bravery += rng( 0, 5 );
} else if( type == NC_SCAVENGER ) {
personality.aggression += rng( 1, 3 );
personality.bravery += rng( 1, 4 );
}
//A universal barter boost to keep NPCs competitive with players
//The int boost from trade wasn't active... now that it is, most
//players will vastly outclass npcs in trade without a little help.
mod_skill_level( skill_barter, rng( 2, 4 ) );
recalc_hp();
for( int i = 0; i < num_hp_parts; i++ ) {
hp_cur[i] = hp_max[i];
}
starting_weapon( myclass );
starting_clothes( *this, myclass, male );
starting_inv( *this, myclass );
has_new_items = true;
clear_mutations();
// Add fixed traits
for( const auto &tid : trait_group::traits_from( myclass->traits ) ) {
set_mutation( tid );
}
// Run mutation rounds
for( const auto &mr : type->mutation_rounds ) {
int rounds = mr.second.roll();
for( int i = 0; i < rounds; ++i ) {
mutate_category( mr.first );
}
}
// Add bionics
for( const auto &bl : type->bionic_list ) {
int chance = bl.second;
if( rng( 0, 100 ) <= chance ) {
add_bionic( bl.first );
}
}
// Add spells for magiclysm mod
for( std::pair<spell_id, int> spell_pair : type->_starting_spells ) {
this->magic.learn_spell( spell_pair.first, *this, true );
spell &sp = this->magic.get_spell( spell_pair.first );
while( sp.get_level() < spell_pair.second && !sp.is_max_level() ) {
sp.gain_level();
}
}
}
void npc::randomize_from_faction( faction *fac )
{
// Personality = aggression, bravery, altruism, collector
set_fac( fac->id );
randomize( npc_class_id::NULL_ID() );
}
void npc::set_fac( const faction_id &id )
{
if( my_fac ) {
my_fac->remove_member( getID() );
}
my_fac = g->faction_manager_ptr->get( id );
if( my_fac ) {
if( !is_fake() && !is_hallucination() ) {
my_fac->add_to_membership( getID(), disp_name(), known_to_u );
}
fac_id = my_fac->id;
} else {
return;
}
apply_ownership_to_inv();
}
void npc::apply_ownership_to_inv()
{
for( auto &e : inv_dump() ) {
e->set_owner( *this );
}
}
faction_id npc::get_fac_id() const
{
return fac_id;
}
faction *npc::get_faction() const
{
if( !my_fac ) {
return g->faction_manager_ptr->get( faction_id( "no_faction" ) );
}
return my_fac;
}
// item id from group "<class-name>_<what>" or from fallback group
// may still be a null item!
static item random_item_from( const npc_class_id &type, const std::string &what,
const std::string &fallback )
{
auto result = item_group::item_from( type.str() + "_" + what, calendar::turn );
if( result.is_null() ) {
result = item_group::item_from( fallback, calendar::turn );
}
return result;
}
// item id from "<class-name>_<what>" or from "npc_<what>"
static item random_item_from( const npc_class_id &type, const std::string &what )
{
return random_item_from( type, what, "npc_" + what );
}
// item id from "<class-name>_<what>_<gender>" or from "npc_<what>_<gender>"
static item get_clothing_item( const npc_class_id &type, const std::string &what, bool male )
{
item result;
//Check if class has gendered clothing
//Then check if it has an ungendered version
//Only if all that fails, grab from the default class.
if( male ) {
result = random_item_from( type, what + "_male", "null" );
} else {
result = random_item_from( type, what + "_female", "null" );
}
if( result.is_null() ) {
if( male ) {
result = random_item_from( type, what, "npc_" + what + "_male" );
} else {
result = random_item_from( type, what, "npc_" + what + "_female" );
}
}
return result;
}
void starting_clothes( npc &who, const npc_class_id &type, bool male )
{
std::vector<item> ret;
if( item_group::group_is_defined( type->worn_override ) ) {
ret = item_group::items_from( type->worn_override );
} else {
ret.push_back( get_clothing_item( type, "pants", male ) );
ret.push_back( get_clothing_item( type, "shirt", male ) );
ret.push_back( get_clothing_item( type, "underwear_top", male ) );
ret.push_back( get_clothing_item( type, "underwear_bottom", male ) );
ret.push_back( get_clothing_item( type, "underwear_feet", male ) );
ret.push_back( get_clothing_item( type, "shoes", male ) );
ret.push_back( random_item_from( type, "gloves" ) );
ret.push_back( random_item_from( type, "coat" ) );
ret.push_back( random_item_from( type, "vest" ) );
ret.push_back( random_item_from( type, "masks" ) );
// Why is the alternative group not named "npc_glasses" but "npc_eyes"?
ret.push_back( random_item_from( type, "glasses", "npc_eyes" ) );
ret.push_back( random_item_from( type, "hat" ) );
ret.push_back( random_item_from( type, "scarf" ) );
ret.push_back( random_item_from( type, "storage" ) );
ret.push_back( random_item_from( type, "holster" ) );
ret.push_back( random_item_from( type, "belt" ) );
ret.push_back( random_item_from( type, "wrist" ) );
ret.push_back( random_item_from( type, "extra" ) );
}
for( item &it : who.worn ) {
it.on_takeoff( who );
}
who.worn.clear();
for( item &it : ret ) {
if( it.has_flag( "VARSIZE" ) ) {
it.item_tags.insert( "FIT" );
}
if( who.can_wear( it ).success() ) {
it.on_wear( who );
who.worn.push_back( it );
it.set_owner( who );
}
}
}
void starting_inv( npc &who, const npc_class_id &type )
{
std::list<item> res;
who.inv.clear();
if( item_group::group_is_defined( type->carry_override ) ) {
who.inv += item_group::items_from( type->carry_override );
return;
}
res.emplace_back( "lighter" );
// If wielding a gun, get some additional ammo for it
if( who.weapon.is_gun() ) {
item ammo( who.weapon.ammo_default() );
ammo = ammo.in_its_container();
if( ammo.made_of( LIQUID ) ) {
item container( "bottle_plastic" );
container.put_in( ammo );
ammo = container;
}
// TODO: Move to npc_class
// NC_COWBOY and NC_BOUNTY_HUNTER get 5-15 whilst all others get 3-6
int qty = 1 + ( type == NC_COWBOY ||
type == NC_BOUNTY_HUNTER );
qty = rng( qty, qty * 2 );
while( qty-- != 0 && who.can_pickVolume( ammo ) ) {
// TODO: give NPC a default magazine instead
res.push_back( ammo );
}
}
if( type == NC_ARSONIST ) {
res.emplace_back( "molotov" );
}
int qty = ( type == NC_EVAC_SHOPKEEP ||
type == NC_TRADER ) ? 5 : 2;
qty = rng( qty, qty * 3 );
while( qty-- != 0 ) {
item tmp = random_item_from( type, "misc" ).in_its_container();
if( !tmp.is_null() ) {
if( !one_in( 3 ) && tmp.has_flag( "VARSIZE" ) ) {
tmp.item_tags.insert( "FIT" );
}
if( who.can_pickVolume( tmp ) ) {
res.push_back( tmp );
}
}
}
res.erase( std::remove_if( res.begin(), res.end(), [&]( const item & e ) {
return e.has_flag( "TRADER_AVOID" );
} ), res.end() );
for( auto &it : res ) {
it.set_owner( who );
}
who.inv += res;
}
void npc::revert_after_activity()
{
mission = previous_mission;
attitude = previous_attitude;
activity = player_activity();
current_activity_id = activity_id::NULL_ID();
clear_destination();
backlog.clear();
}
npc_mission npc::get_previous_mission()
{
return previous_mission;
}
npc_attitude npc::get_previous_attitude()
{
return previous_attitude;
}
bool npc::get_known_to_u()
{
return known_to_u;
}
void npc::set_known_to_u( bool known )
{
known_to_u = known;
if( my_fac ) {
my_fac->add_to_membership( getID(), disp_name(), known_to_u );
}
}
void npc::setpos( const tripoint &pos )
{
position = pos;
const point pos_om_old = sm_to_om_copy( submap_coords );
submap_coords.x = g->get_levx() + pos.x / SEEX;
submap_coords.y = g->get_levy() + pos.y / SEEY;
const point pos_om_new = sm_to_om_copy( submap_coords );
if( !is_fake() && pos_om_old != pos_om_new ) {
overmap &om_old = overmap_buffer.get( pos_om_old );
overmap &om_new = overmap_buffer.get( pos_om_new );
if( const auto ptr = om_old.erase_npc( getID() ) ) {
om_new.insert_npc( ptr );
} else {
// Don't move the npc pointer around to avoid having two overmaps
// with the same npc pointer
debugmsg( "could not find npc %s on its old overmap", name );
}
}
}
void npc::travel_overmap( const tripoint &pos )
{
const point pos_om_old = sm_to_om_copy( submap_coords );
spawn_at_sm( pos );
const point pos_om_new = sm_to_om_copy( submap_coords );
if( global_omt_location() == goal ) {
reach_omt_destination();
}
if( !is_fake() && pos_om_old != pos_om_new ) {
overmap &om_old = overmap_buffer.get( pos_om_old );
overmap &om_new = overmap_buffer.get( pos_om_new );
if( const auto ptr = om_old.erase_npc( getID() ) ) {
om_new.insert_npc( ptr );
} else {
// Don't move the npc pointer around to avoid having two overmaps
// with the same npc pointer
debugmsg( "could not find npc %s on its old overmap", name );
}
}
}
void npc::spawn_at_sm( const tripoint &p )
{
spawn_at_precise( p.xy(), tripoint( rng( 0, SEEX - 1 ), rng( 0, SEEY - 1 ), p.z ) );
}
void npc::spawn_at_precise( const point &submap_offset, const tripoint &square )
{
submap_coords = submap_offset;
submap_coords.x += square.x / SEEX;
submap_coords.y += square.y / SEEY;
position.x = square.x % SEEX;
position.y = square.y % SEEY;
position.z = square.z;
}
tripoint npc::global_square_location() const
{
return sm_to_ms_copy( submap_coords ) + tripoint( posx() % SEEX, posy() % SEEY, position.z );
}
void npc::place_on_map()
{
// The global absolute position (in map squares) of the npc is *always*
// "submap_coords.x * SEEX + posx() % SEEX" (analog for y).
// The main map assumes that pos is in its own (local to the main map)
// coordinate system. We have to change pos to match that assumption
const int dmx = submap_coords.x - g->get_levx();
const int dmy = submap_coords.y - g->get_levy();
const int offset_x = position.x % SEEX;
const int offset_y = position.y % SEEY;
// value of "submap_coords.x * SEEX + posx()" is unchanged
setpos( tripoint( offset_x + dmx * SEEX, offset_y + dmy * SEEY, posz() ) );
if( g->is_empty( pos() ) || is_mounted() ) {
return;
}
for( const tripoint &p : closest_tripoints_first( pos(), SEEX + 1 ) ) {
if( g->is_empty( p ) ) {
setpos( p );
return;
}
}
debugmsg( "Failed to place NPC in a valid location near (%d,%d,%d)", posx(), posy(), posz() );
}
skill_id npc::best_skill() const
{
int highest_level = std::numeric_limits<int>::min();
skill_id highest_skill( skill_id::NULL_ID() );
for( const auto &p : *_skills ) {
if( p.first.obj().is_combat_skill() ) {
const int level = p.second.level();
if( level > highest_level ) {
highest_level = level;
highest_skill = p.first;
}
}
}
return highest_skill;
}
int npc::best_skill_level() const
{
int highest_level = std::numeric_limits<int>::min();
for( const auto &p : *_skills ) {
if( p.first.obj().is_combat_skill() ) {
const int level = p.second.level();
if( level > highest_level ) {
highest_level = level;
}
}
}
return highest_level;
}
void npc::starting_weapon( const npc_class_id &type )
{
if( item_group::group_is_defined( type->weapon_override ) ) {
weapon = item_group::item_from( type->weapon_override, calendar::turn );
return;
}
const skill_id best = best_skill();
// if NPC has no suitable skills default to stabbing weapon
if( !best || best == skill_stabbing ) {
weapon = random_item_from( type, "stabbing", "survivor_stabbing" );
} else if( best == skill_bashing ) {
weapon = random_item_from( type, "bashing", "survivor_bashing" );
} else if( best == skill_cutting ) {
weapon = random_item_from( type, "cutting", "survivor_cutting" );
} else if( best == skill_throw ) {
weapon = random_item_from( type, "throw" );
} else if( best == skill_archery ) {
weapon = random_item_from( type, "archery" );
} else if( best == skill_pistol ) {
weapon = random_item_from( type, "pistol", "guns_pistol_common" );
} else if( best == skill_shotgun ) {
weapon = random_item_from( type, "shotgun", "guns_shotgun_common" );
} else if( best == skill_smg ) {
weapon = random_item_from( type, "smg", "guns_smg_common" );
} else if( best == skill_rifle ) {
weapon = random_item_from( type, "rifle", "guns_rifle_common" );
}
if( weapon.is_gun() ) {
weapon.ammo_set( weapon.ammo_default() );
}
weapon.set_owner( get_faction()->id );
}
bool npc::can_read( const item &book, std::vector<std::string> &fail_reasons )
{
if( !book.is_book() ) {
fail_reasons.push_back( string_format( _( "This %s is not good reading material." ),
book.tname() ) );
return false;
}
player *pl = dynamic_cast<player *>( this );
if( !pl ) {
return false;
}
const auto &type = book.type->book;
const skill_id &skill = type->skill;
const int skill_level = pl->get_skill_level( skill );
if( skill && skill_level < type->req ) {
fail_reasons.push_back( string_format( _( "I'm not smart enough to read this book." ) ) );
return false;
}
if( !skill || skill_level >= type->level ) {
fail_reasons.push_back( string_format( _( "I won't learn anything from this book." ) ) );
return false;
}
// Check for conditions that disqualify us
if( type->intel > 0 && has_trait( trait_ILLITERATE ) ) {
fail_reasons.emplace_back( _( "I can't read!" ) );
} else if( has_trait( trait_HYPEROPIC ) && !worn_with_flag( "FIX_FARSIGHT" ) &&
!has_effect( effect_contacts ) && !has_bionic( bio_eye_optic ) ) {
fail_reasons.emplace_back( _( "I can't read without my glasses." ) );
} else if( fine_detail_vision_mod() > 4 ) {
// Too dark to read only applies if the player can read to himself
fail_reasons.emplace_back( _( "It's too dark to read!" ) );
return false;
}
return true;
}
int npc::time_to_read( const item &book, const player &reader ) const
{
const auto &type = book.type->book;
const skill_id &skill = type->skill;
// The reader's reading speed has an effect only if they're trying to understand the book as they read it
// Reading speed is assumed to be how well you learn from books (as opposed to hands-on experience)
const bool try_understand = reader.fun_to_read( book ) ||
reader.get_skill_level( skill ) < type->level;
int reading_speed = try_understand ? std::max( reader.read_speed(), read_speed() ) : read_speed();
int retval = type->time * reading_speed;
retval *= std::min( fine_detail_vision_mod(), reader.fine_detail_vision_mod() );
if( type->intel > reader.get_int() && !reader.has_trait( trait_PROF_DICEMASTER ) ) {
retval += type->time * ( type->intel - reader.get_int() ) * 100;
}
return retval;
}
void npc::finish_read( item_location loc )
{
if( !loc ) {
revert_after_activity();
return;
}
item &book = *loc;
const auto &reading = book.type->book;
if( !reading ) {
revert_after_activity();
return;
}
const skill_id &skill = reading->skill;
// NPCs don't need to identify the book or learn recipes yet.
// NPCs don't read to other NPCs yet.
const bool display_messages = my_fac->id == faction_id( "your_followers" ) && g->u.sees( pos() );
bool continuous = false; //whether to continue reading or not
if( book_fun_for( book, *this ) != 0 ) {
//Fun bonus is no longer calculated here.
add_morale( MORALE_BOOK, book_fun_for( book, *this ) * 5, book_fun_for( book,
*this ) * 15, 1_hours, 30_minutes, true,
book.type );
}
book.mark_chapter_as_read( *this );
if( skill && get_skill_level( skill ) < reading->level &&
get_skill_level_object( skill ).can_train() ) {
SkillLevel &skill_level = get_skill_level_object( skill );
const int originalSkillLevel = skill_level.level();
// Calculate experience gained
/** @EFFECT_INT increases reading comprehension */
// Enhanced Memory Banks modestly boosts experience
int min_ex = std::max( 1, reading->time / 10 + get_int() / 4 );
int max_ex = reading->time / 5 + get_int() / 2 - originalSkillLevel;
if( has_active_bionic( bio_memory ) ) {
min_ex += 2;
}
if( max_ex < 2 ) {
max_ex = 2;
}
if( max_ex > 10 ) {
max_ex = 10;
}
if( max_ex < min_ex ) {
max_ex = min_ex;
}
const std::string &s = activity.get_str_value( 0, "1" );
double penalty = strtod( s.c_str(), nullptr );
min_ex *= ( originalSkillLevel + 1 ) * penalty;
min_ex = std::max( min_ex, 1 );
max_ex *= ( originalSkillLevel + 1 ) * penalty;
max_ex = std::max( min_ex, max_ex );
skill_level.readBook( min_ex, max_ex, reading->level );
std::string skill_name = skill.obj().name();
if( skill_level != originalSkillLevel ) {
g->events().send<event_type::gains_skill_level>( getID(), skill, skill_level.level() );
if( display_messages ) {
add_msg( m_good, _( "%s increases their %s level." ), disp_name(), skill_name );
// NPC reads until they gain a level, then stop.
revert_after_activity();
return;
}
} else {
continuous = true;
if( display_messages ) {
add_msg( m_info, _( "%s learns a little about %s!" ), disp_name(), skill.obj().name() );
}
}
if( ( skill_level == reading->level || !skill_level.can_train() ) ||
( ( has_trait( trait_SCHIZOPHRENIC ) ||
has_artifact_with( AEP_SCHIZO ) ) && one_in( 25 ) ) ) {
if( display_messages ) {
add_msg( m_info, _( "%s can no longer learn from %s." ), disp_name(), book.type_name() );
}
}
} else if( skill ) {
if( display_messages ) {
add_msg( m_info, _( "%s can no longer learn from %s." ), disp_name(), book.type_name() );
}
}
// NPCs can't learn martial arts from manuals (yet)
if( continuous ) {
activity.set_to_null();
player *pl = dynamic_cast<player *>( this );
if( pl ) {
start_read( loc, pl );
}
if( activity ) {
return;
}
}
activity.set_to_null();
revert_after_activity();
}
void npc::start_read( item_location loc, player *pl )
{
item &chosen = *loc;
const int time_taken = time_to_read( chosen, *pl );
const double penalty = static_cast<double>( time_taken ) / time_to_read( chosen, *pl );
player_activity act( ACT_READ, time_taken, 0, pl->getID().get_value() );