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vehicle.cpp
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vehicle.cpp
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#include "vehicle.h" // IWYU pragma: associated
#include "vpart_position.h" // IWYU pragma: associated
#include "vpart_range.h" // IWYU pragma: associated
#include <algorithm>
#include <array>
#include <cmath>
#include <complex>
#include <cstdint>
#include <cstdlib>
#include <list>
#include <memory>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include "activity_handlers.h"
#include "activity_type.h"
#include "avatar.h"
#include "bionics.h"
#include "cata_assert.h"
#include "cata_bitset.h"
#include "cata_utility.h"
#include "character.h"
#include "clzones.h"
#include "colony.h"
#include "coordinates.h"
#include "creature.h"
#include "creature_tracker.h"
#include "cuboid_rectangle.h"
#include "debug.h"
#include "enum_traits.h"
#include "enums.h"
#include "event.h"
#include "event_bus.h"
#include "explosion.h"
#include "faction.h"
#include "field_type.h"
#include "flag.h"
#include "game.h"
#include "item.h"
#include "item_group.h"
#include "itype.h"
#include "json.h"
#include "json_loader.h"
#include "make_static.h"
#include "map.h"
#include "map_iterator.h"
#include "mapbuffer.h"
#include "mapdata.h"
#include "material.h"
#include "math_defines.h"
#include "messages.h"
#include "mod_manager.h"
#include "monster.h"
#include "move_mode.h"
#include "npc.h"
#include "options.h"
#include "output.h"
#include "overmapbuffer.h"
#include "pimpl.h"
#include "player_activity.h"
#include "pocket_type.h"
#include "ret_val.h"
#include "rng.h"
#include "sounds.h"
#include "string_formatter.h"
#include "submap.h"
#include "translations.h"
#include "units_utility.h"
#include "value_ptr.h"
#include "veh_type.h"
#include "vehicle_selector.h"
#include "weather.h"
#include "weather_gen.h"
#include "weather_type.h"
/*
* Speed up all those if ( blarg == "structure" ) statements that are used everywhere;
* assemble "structure" once here instead of repeatedly later.
*/
static const std::string part_location_structure( "structure" );
static const std::string part_location_center( "center" );
static const std::string part_location_onroof( "on_roof" );
static const activity_id ACT_VEHICLE( "ACT_VEHICLE" );
static const ammotype ammo_battery( "battery" );
static const bionic_id bio_jointservo( "bio_jointservo" );
static const damage_type_id damage_heat( "heat" );
static const damage_type_id damage_pure( "pure" );
static const efftype_id effect_harnessed( "harnessed" );
static const efftype_id effect_winded( "winded" );
static const fault_id fault_engine_immobiliser( "fault_engine_immobiliser" );
static const itype_id fuel_type_animal( "animal" );
static const itype_id fuel_type_battery( "battery" );
static const itype_id fuel_type_mana( "mana" );
static const itype_id fuel_type_muscle( "muscle" );
static const itype_id fuel_type_plutonium_cell( "plut_cell" );
static const itype_id fuel_type_wind( "wind" );
static const itype_id itype_battery( "battery" );
static const itype_id itype_plut_cell( "plut_cell" );
static const itype_id itype_wall_wiring( "wall_wiring" );
static const itype_id itype_water( "water" );
static const itype_id itype_water_clean( "water_clean" );
static const itype_id itype_water_faucet( "water_faucet" );
static const itype_id itype_water_purifier( "water_purifier" );
static const json_character_flag json_flag_MUSCLE_VEH_BOOST( "MUSCLE_VEH_BOOST" );
static const proficiency_id proficiency_prof_aircraft_mechanic( "prof_aircraft_mechanic" );
static const proficiency_id proficiency_prof_athlete_basic( "prof_athlete_basic" );
static const proficiency_id proficiency_prof_athlete_expert( "prof_athlete_expert" );
static const proficiency_id proficiency_prof_athlete_master( "prof_athlete_master" );
static const proficiency_id proficiency_prof_boat_pilot( "prof_boat_pilot" );
static const proficiency_id proficiency_prof_driver( "prof_driver" );
static const skill_id skill_swimming( "swimming" );
static const vpart_id vpart_power_cord( "power_cord" );
static const vproto_id vehicle_prototype_none( "none" );
static const zone_type_id zone_type_VEHICLE_PATROL( "VEHICLE_PATROL" );
static const std::string flag_E_COMBUSTION( "E_COMBUSTION" );
static const std::string flag_APPLIANCE( "APPLIANCE" );
static const std::string flag_WIRING( "WIRING" );
//~ Name for an array of electronic power grid appliances, like batteries and solar panels
static const translation power_grid_name = to_translation( "power grid" );
static bool is_sm_tile_outside( const tripoint_abs_ms &real_global_pos );
static bool is_sm_tile_over_water( const tripoint_abs_ms &real_global_pos );
static const int MAX_WIRE_VEHICLE_SIZE = 24;
void DefaultRemovePartHandler::removed( vehicle &veh, const int part )
{
avatar &player_character = get_avatar();
const vehicle_part &vp = veh.part( part );
const tripoint_bub_ms part_pos = veh.bub_part_pos( vp );
// If the player is currently working on the removed part, stop them as it's futile now.
const player_activity &act = player_character.activity;
map &here = get_map();
if( act.id() == ACT_VEHICLE && act.moves_left > 0 && act.values.size() > 6 ) {
if( veh_pointer_or_null( here.veh_at( tripoint_bub_ms( act.values[0], act.values[1],
player_character.posz() ) ) ) == &veh ) {
if( act.values[6] >= part ) {
player_character.cancel_activity();
add_msg( m_info, _( "The vehicle part you were working on has gone!" ) );
}
}
}
// TODO: maybe do this for all the nearby NPCs as well?
if( player_character.get_grab_type() == object_type::VEHICLE &&
player_character.pos_bub() + player_character.grab_point == part_pos ) {
if( veh.parts_at_relative( vp.mount, false ).empty() ) {
add_msg( m_info, _( "The vehicle part you were holding has been destroyed!" ) );
player_character.grab( object_type::NONE );
}
}
here.dirty_vehicle_list.insert( &veh );
here.clear_vehicle_point_from_cache( &veh, part_pos );
here.add_vehicle_to_cache( &veh );
here.memory_cache_dec_set_dirty( part_pos, true );
player_character.memorize_clear_decoration(
here.getglobal( part_pos ), "vp_" + vp.info().id.str() );
}
// Vehicle stack methods.
vehicle_stack::vehicle_stack( vehicle &veh, vehicle_part &vp ) :
item_stack( &vp.items ), veh( veh ), vp( vp ) {}
vehicle_stack::iterator vehicle_stack::erase( vehicle_stack::const_iterator it )
{
return veh.remove_item( vp, it );
}
void vehicle_stack::insert( const item &newitem )
{
veh.add_item( vp, newitem );
}
int vehicle_stack::count_limit() const
{
return MAX_ITEM_IN_VEHICLE_STORAGE;
}
units::volume vehicle_stack::max_volume() const
{
const vpart_info &vpi = vp.info();
if( !vpi.has_flag( VPFLAG_CARGO ) || vp.is_broken() ) {
return 0_ml;
}
// Set max volume for vehicle cargo to prevent integer overflow
return std::min( vpi.size, 10000_liter );
}
// Vehicle class methods.
vehicle::vehicle( const vproto_id &proto_id )
{
face.init( 0_degrees );
move.init( 0_degrees );
if( proto_id.is_empty() ) {
refresh(); // we're not using any blueprint, just return an empty initialized vehicle
} else if( !proto_id.is_valid() ) {
debugmsg( "trying to construct vehicle from invalid prototype '%s'", proto_id.str() );
} else {
type = proto_id;
const vehicle_prototype &proto = *type;
// Copy the already made vehicle. The blueprint is created when the json data is loaded
// and is guaranteed to be valid (has valid parts etc.).
*this = *proto.blueprint;
// The game language may have changed after the blueprint was created,
// so translated the prototype name again.
name = proto.name.translated();
refresh();
}
}
vehicle::~vehicle() = default;
turret_cpu::~turret_cpu() = default;
turret_cpu &turret_cpu::operator=( const turret_cpu & )
{
brain.reset();
return *this;
}
turret_cpu::turret_cpu( const turret_cpu & ) {}
safe_reference<vehicle> vehicle::get_safe_reference()
{
return anchor.reference_to( this );
}
bool vehicle::player_in_control( const Character &p ) const
{
// Debug switch to prevent vehicles from skidding
// without having to place the player in them.
if( tags.count( "IN_CONTROL_OVERRIDE" ) ) {
return true;
}
const optional_vpart_position vp = get_map().veh_at( p.pos_bub() );
if( vp && &vp->vehicle() == this &&
p.controlling_vehicle &&
( ( part_with_feature( vp->mount_pos(), "CONTROL_ANIMAL", true ) >= 0 &&
has_engine_type( fuel_type_animal, false ) && get_harnessed_animal() ) ||
( part_with_feature( vp->part_index(), VPFLAG_CONTROLS, false ) >= 0 ) )
) {
return true;
}
return remote_controlled( p );
}
bool vehicle::player_is_driving_this_veh() const
{
// Unfortunate code duplication for tests
// Debug switch to prevent vehicles from skidding
// without having to place the player in them.
if( tags.count( "IN_CONTROL_OVERRIDE" ) ) {
return true;
}
Character &player_character = get_player_character();
// Check if the player is controlling *this* vehicle
return player_in_control( player_character );
}
bool vehicle::remote_controlled( const Character &p ) const
{
vehicle *veh = g->remoteveh();
if( veh != this ) {
return false;
}
for( const vpart_reference &vp : get_avail_parts( "REMOTE_CONTROLS" ) ) {
if( rl_dist( p.pos_bub(), vp.pos_bub() ) <= 40 ) {
return true;
}
}
add_msg( m_bad, _( "Lost connection with the vehicle due to distance!" ) );
g->setremoteveh( nullptr );
return false;
}
void vehicle::init_state( map &placed_on, int init_veh_fuel, int init_veh_status,
const bool force_status/* = false*/ )
{
// vehicle parts excluding engines in non-owned vehicles are by default turned off
for( vehicle_part &pt : parts ) {
pt.enabled = !has_owner() && pt.is_engine();
}
bool destroySeats = false;
bool destroyControls = false;
bool destroyTank = false;
bool destroyEngine = false;
bool destroyTires = false;
bool blood_covered = false;
bool blood_inside = false;
bool has_no_key = false;
bool destroyAlarm = false;
// More realistically it should be -5 days old
last_update = calendar::turn_zero;
if( get_option<bool>( "OVERRIDE_VEHICLE_INIT_STATE" ) ) {
if( !force_status ) {
init_veh_status = get_option<int>( "VEHICLE_STATUS_AT_SPAWN" );
}
init_veh_fuel = get_option<int>( "VEHICLE_FUEL_AT_SPAWN" );
}
std::map<itype_id, double> fuels; // lets tanks of same fuel type have even contents
const auto rng_fuel_amount = [&fuels, init_veh_fuel]( vehicle_part & vp, const itype_id & fuel ) {
if( !fuel ) {
vp.ammo_unset(); // clear if no valid fuel
return;
}
const int max = vp.item_capacity( fuel );
if( init_veh_fuel < 0 ) {
// map.emplace(...).first returns iterator to the new or existing element
const double roll = fuels.emplace( fuel, normal_roll( 0.3, 0.15 ) ).first->second;
vp.ammo_set( fuel, max * std::clamp( roll, 0.05, 0.95 ) );
} else if( init_veh_fuel == 0 ) {
vp.ammo_unset();
} else if( init_veh_fuel > 0 && init_veh_fuel < 100 ) {
vp.ammo_set( fuel, max * init_veh_fuel / 100 );
} else { // init_veh_fuel >= 100
vp.ammo_set( fuel, max );
}
};
// veh_status is initial vehicle damage
// -1 = light damage (DEFAULT)
// 0 = undamaged
// 1 = disabled: destroyed seats, controls, tanks, tires, OR engine
// 2 = undamaged with no faults or security
int veh_status = -1;
if( init_veh_status == 0 ) {
veh_status = 0;
}
if( init_veh_status == 1 ) {
veh_status = 1;
const int rand = rng( 1, 5 );
switch( rand ) {
case 1:
destroySeats = true;
break;
case 2:
destroyControls = true;
break;
case 3:
destroyTank = true;
break;
case 4:
destroyEngine = true;
break;
case 5:
destroyTires = true;
break;
}
}
if( one_in( 3 ) ) {
//33% chance for a locked vehicle
has_no_key = true;
}
if( !one_in( 3 ) ) {
//most cars should have a destroyed alarm
destroyAlarm = true;
}
// Make engine faults more likely
destroyEngine = destroyEngine || one_in( 3 );
if( init_veh_status == 2 ) {
veh_status = 0;
has_no_key = false;
destroyAlarm = false;
destroyEngine = false;
}
//Provide some variety to non-mint vehicles
if( veh_status != 0 ) {
//Leave engine running in some vehicles, if the engine has not been destroyed
//chance decays from 1 in 4 vehicles on day 0 to 1 in (day + 4) in the future.
int current_day = std::max( to_days<int>( calendar::turn - calendar::turn_zero ), 0 );
if( init_veh_fuel != 0 && !engines.empty() &&
one_in( current_day + 4 ) && !destroyEngine && !has_no_key &&
has_engine_type_not( fuel_type_muscle, true ) ) {
engine_on = true;
}
bool light_head = one_in( 20 );
bool light_whead = one_in( 20 ); // wide-angle headlight
bool light_dome = one_in( 16 );
bool light_aisle = one_in( 8 );
bool light_hoverh = one_in( 4 ); // half circle overhead light
bool light_overh = one_in( 4 );
bool light_atom = one_in( 2 );
for( vehicle_part &vp : parts ) {
const vpart_info vpi = vp.info();
if( vpi.has_flag( VPFLAG_CONE_LIGHT ) ) {
vp.enabled = light_head;
} else if( vpi.has_flag( VPFLAG_WIDE_CONE_LIGHT ) ) {
vp.enabled = light_whead;
} else if( vpi.has_flag( VPFLAG_DOME_LIGHT ) ) {
vp.enabled = light_dome;
} else if( vpi.has_flag( VPFLAG_AISLE_LIGHT ) ) {
vp.enabled = light_aisle;
} else if( vpi.has_flag( VPFLAG_HALF_CIRCLE_LIGHT ) ) {
vp.enabled = light_hoverh;
} else if( vpi.has_flag( VPFLAG_CIRCLE_LIGHT ) ) {
vp.enabled = light_overh;
} else if( vpi.has_flag( VPFLAG_ATOMIC_LIGHT ) ) {
vp.enabled = light_atom;
}
}
if( one_in( 10 ) ) {
blood_covered = true;
}
if( one_in( 8 ) ) {
blood_inside = true;
}
for( const vpart_reference &vp : get_parts_including_carried( "FRIDGE" ) ) {
vp.part().enabled = true;
}
for( const vpart_reference &vp : get_parts_including_carried( "FREEZER" ) ) {
vp.part().enabled = true;
}
for( const vpart_reference &vp : get_parts_including_carried( "WATER_PURIFIER" ) ) {
vp.part().enabled = true;
}
}
std::optional<point_rel_ms> blood_inside_pos;
for( const vpart_reference &vp : get_all_parts() ) {
const size_t p = vp.part_index();
vehicle_part &pt = vp.part();
if( vp.has_feature( VPFLAG_REACTOR ) ) {
// De-hardcoded reactors. Should always start active
pt.enabled = true;
}
if( pt.is_reactor() ) {
rng_fuel_amount( pt, itype_plut_cell );
} else if( pt.is_battery() ) {
rng_fuel_amount( pt, itype_battery );
} else if( pt.is_tank() || pt.is_fuel_store() ) {
rng_fuel_amount( pt, pt.ammo_current() );
}
if( vp.has_feature( "OPENABLE" ) ) { // doors are closed
if( !pt.open && one_in( 4 ) ) {
open( p );
}
}
if( vp.has_feature( "BOARDABLE" ) ) { // no passengers
pt.remove_flag( vp_flag::passenger_flag );
}
// initial vehicle damage
if( veh_status == 0 ) {
// Completely mint condition vehicle
set_hp( pt, vp.info().durability, false );
} else {
//a bit of initial damage :)
//clamp 4d8 to the range of [8,20]. 8=broken, 20=undamaged.
int broken = 8;
int unhurt = 20;
int roll = dice( 4, 8 );
if( roll < unhurt ) {
if( roll <= broken ) {
set_hp( pt, 0, false );
pt.ammo_unset(); //empty broken batteries and fuel tanks
} else {
set_hp( pt, ( roll - broken ) / static_cast<double>( unhurt - broken ) * vp.info().durability,
false );
}
} else {
set_hp( pt, vp.info().durability, false );
}
if( vp.has_feature( VPFLAG_ENGINE ) ) {
// If possible set an engine fault rather than destroying the engine outright
if( destroyEngine && pt.faults_potential().empty() ) {
set_hp( pt, 0, false );
} else if( destroyEngine ) {
do {
pt.fault_set( random_entry( pt.faults_potential() ) );
} while( one_in( 3 ) );
}
} else if( ( destroySeats && ( vp.has_feature( "SEAT" ) || vp.has_feature( "SEATBELT" ) ) ) ||
( destroyControls && ( vp.has_feature( "CONTROLS" ) || vp.has_feature( "SECURITY" ) ) ) ||
( destroyAlarm && vp.has_feature( "SECURITY" ) ) ) {
set_hp( pt, 0, false );
}
// Fuel tanks should be emptied as well
if( destroyTank && pt.is_fuel_store() ) {
set_hp( pt, 0, false );
pt.ammo_unset();
}
//Solar panels have 25% of being destroyed
if( vp.has_feature( "SOLAR_PANEL" ) && one_in( 4 ) && init_veh_status != 2 ) {
set_hp( pt, 0, false );
}
/* Bloodsplatter the front-end parts. Assume anything with x > 0 is
* the "front" of the vehicle (since the driver's seat is at (0, 0).
* We'll be generous with the blood, since some may disappear before
* the player gets a chance to see the vehicle. */
if( blood_covered && vp.mount_pos().x() > 0 ) {
if( one_in( 3 ) ) {
//Loads of blood. (200 = completely red vehicle part)
pt.blood = rng( 200, 600 );
} else {
//Some blood
pt.blood = rng( 50, 200 );
}
}
if( blood_inside ) {
// blood is splattered around (blood_inside_pos),
// coordinates relative to mount point; the center is always a seat
if( blood_inside_pos ) {
const int distSq = std::pow( blood_inside_pos->x() - vp.mount_pos().x(), 2 ) +
std::pow( blood_inside_pos->y() - vp.mount_pos().y(), 2 );
if( distSq <= 1 ) {
pt.blood = rng( 200, 400 ) - distSq * 100;
}
} else if( vp.has_feature( "SEAT" ) ) {
// Set the center of the bloody mess inside
blood_inside_pos.emplace( vp.mount_pos() );
}
}
}
//sets the vehicle to locked, if there is no key and an alarm part exists
if( vp.has_feature( "SECURITY" ) && has_no_key && pt.is_available() ) {
is_locked = true;
if( one_in( 2 ) ) {
// if vehicle has immobilizer 50% chance to add additional fault
pt.fault_set( fault_engine_immobiliser );
}
}
}
// destroy tires until the vehicle is not drivable
if( destroyTires && !wheelcache.empty() ) {
int tries = 0;
while( valid_wheel_config() && tries < 100 ) {
// wheel config is still valid, destroy the tire.
set_hp( parts[random_entry( wheelcache )], 0, false );
tries++;
}
}
// Additional 50% chance for heavy damage to disabled vehicles
if( veh_status == 1 && one_in( 2 ) ) {
smash( placed_on, 0.5 );
}
for( const int p : engines ) {
auto_select_fuel( parts[p] );
}
refresh();
}
void vehicle::activate_magical_follow()
{
for( vehicle_part &vp : parts ) {
if( vp.info().fuel_type == fuel_type_mana ) {
vp.enabled = true;
is_following = true;
engine_on = true;
} else {
vp.enabled = true;
}
}
refresh();
}
void vehicle::activate_animal_follow()
{
for( size_t e = 0; e < parts.size(); e++ ) {
vehicle_part &vp = parts[ e ];
if( vp.info().fuel_type == fuel_type_animal ) {
monster *mon = get_monster( e );
if( mon && mon->has_effect( effect_harnessed ) ) {
vp.enabled = true;
is_following = true;
engine_on = true;
}
} else {
vp.enabled = true;
}
}
refresh();
}
void vehicle::autopilot_patrol()
{
/** choose one single zone ( multiple zones too complex for now )
* choose a point at the far edge of the zone
* the edge chosen is the edge that is smaller, therefore the longer side
* of the rectangle is the one the vehicle drives mostly parallel too.
* if its perfect square then choose a point that is on any edge that the
* vehicle is not currently at
* drive to that point.
* then once arrived, choose a random opposite point of the zone.
* this should ( in a simple fashion ) cause a patrolling behavior
* in a criss-cross fashion.
* in an auto-tractor, this would eventually cover the entire rectangle.
*/
map &here = get_map();
// if we are close to a waypoint, then return to come back to this function next turn.
if( autodrive_local_target != tripoint_abs_ms::zero ) {
if( rl_dist( global_square_location(), autodrive_local_target ) <= 3 ) {
autodrive_local_target = tripoint_abs_ms::zero;
return;
}
if( !here.inbounds( here.bub_from_abs( autodrive_local_target ) ) ) {
autodrive_local_target = tripoint_abs_ms::zero;
is_patrolling = false;
return;
}
drive_to_local_target( autodrive_local_target, false );
return;
}
zone_manager &mgr = zone_manager::get_manager();
const auto &zone_src_set =
mgr.get_near( zone_type_VEHICLE_PATROL, global_square_location(), MAX_VIEW_DISTANCE );
if( zone_src_set.empty() ) {
is_patrolling = false;
return;
}
// get corners.
tripoint_abs_ms min;
tripoint_abs_ms max;
for( const tripoint_abs_ms &box : zone_src_set ) {
if( min == tripoint_abs_ms() ) {
min = box;
max = box;
continue;
}
min.x() = std::min( box.x(), min.x() );
min.y() = std::min( box.y(), min.y() );
min.z() = std::min( box.z(), min.z() );
max.x() = std::max( box.x(), max.x() );
max.y() = std::max( box.y(), max.y() );
max.z() = std::max( box.z(), max.z() );
}
const bool x_side = ( max.x() - min.x() ) < ( max.y() - min.y() );
const int point_along = x_side ? rng( min.x(), max.x() ) : rng( min.y(), max.y() );
const tripoint_abs_ms max_tri = x_side ? tripoint_abs_ms( point_along, max.y(), min.z() ) :
tripoint_abs_ms( max.x(), point_along, min.z() );
const tripoint_abs_ms min_tri = x_side ? tripoint_abs_ms( point_along, min.y(), min.z() ) :
tripoint_abs_ms( min.x(), point_along, min.z() );
tripoint_abs_ms chosen_tri = min_tri;
if( rl_dist( max_tri, global_square_location() ) >=
rl_dist( min_tri, global_square_location() ) ) {
chosen_tri = max_tri;
}
// TODO: fix point types
autodrive_local_target = chosen_tri;
drive_to_local_target( autodrive_local_target, false );
}
std::set<point_abs_ms> vehicle::immediate_path( const units::angle &rotate )
{
std::set<point_abs_ms> points_to_check;
const int distance_to_check = 10 + ( velocity / 800 );
units::angle adjusted_angle = normalize( face.dir() + rotate );
// clamp to multiples of 15.
adjusted_angle = round_to_multiple_of( adjusted_angle, vehicles::steer_increment );
tileray collision_vector;
collision_vector.init( adjusted_angle );
map &here = get_map();
point_bub_ms top_left_actual = pos_bub().xy() + coord_translate( front_left );
point_bub_ms top_right_actual = pos_bub().xy() + coord_translate( front_right );
std::vector<point_abs_ms> front_row = line_to( here.getglobal( tripoint_bub_ms{top_left_actual.x(), top_left_actual.y(), here.get_abs_sub().z()} ).xy(),
here.getglobal( tripoint_bub_ms{ top_right_actual.x(), top_right_actual.y(), here.get_abs_sub().z()} ).xy() );
for( const point_abs_ms &elem : front_row ) {
for( int i = 0; i < distance_to_check; ++i ) {
collision_vector.advance( i );
point_abs_ms point_to_add = elem + point( collision_vector.dx(), collision_vector.dy() );
points_to_check.emplace( point_to_add );
}
}
collision_check_points = points_to_check;
return points_to_check;
}
static int get_turn_from_angle( const units::angle &angle, const tripoint_abs_ms &vehpos,
const tripoint_abs_ms &target, bool reverse = false )
{
if( angle > 10.0_degrees && angle <= 45.0_degrees ) {
return reverse ? 4 : 1;
} else if( angle > 45.0_degrees && angle <= 90.0_degrees ) {
return 3;
} else if( angle > 90.0_degrees && angle < 180.0_degrees ) {
return reverse ? 1 : 4;
} else if( angle < -10.0_degrees && angle >= -45.0_degrees ) {
return reverse ? -4 : -1;
} else if( angle < -45.0_degrees && angle >= -90.0_degrees ) {
return -3;
} else if( angle < -90.0_degrees && angle > -180.0_degrees ) {
return reverse ? -1 : -4;
// edge case of being exactly on the button for the target.
// just keep driving, the next path point will be picked up.
} else if( ( angle == 180_degrees || angle == -180_degrees ) && vehpos == target ) {
return 0;
}
return 0;
}
void vehicle::drive_to_local_target( const tripoint_abs_ms &target, bool follow_protocol )
{
Character &player_character = get_player_character();
if( follow_protocol && player_character.in_vehicle ) {
sounds::sound( pos_bub(), 30, sounds::sound_t::alert,
string_format( _( "the %s emitting a beep and saying \"Autonomous driving protocols suspended!\"" ),
name ) );
stop_autodriving();
return;
}
refresh();
map &here = get_map();
tripoint_abs_ms vehpos = global_square_location();
units::angle angle = get_angle_from_targ( target );
bool stop = precollision_check( angle, here, follow_protocol );
if( stop ) {
if( autopilot_on ) {
sounds::sound( pos_bub(), 30, sounds::sound_t::alert,
string_format( _( "the %s emitting a beep and saying \"Obstacle detected!\"" ),
name ) );
}
stop_autodriving();
return;
}
int turn_x = get_turn_from_angle( angle, vehpos, target );
int accel_y = 0;
// best to cruise around at a safe velocity or 40mph, whichever is lowest
// accelerate when it doesn't need to turn.
// when following player, take distance to player into account.
// we really want to avoid running the player over.
// If its a helicopter, we dont need to worry about airborne obstacles so much
// And fuel efficiency is terrible at low speeds.
const int safe_player_follow_speed = 400 *
player_character.current_movement_mode()->move_speed_mult();
if( follow_protocol ) {
if( ( ( turn_x > 0 || turn_x < 0 ) && velocity > safe_player_follow_speed ) ||
rl_dist( vehpos, here.getglobal( player_character.pos_bub() ) ) < 7 + ( (
mount_max.y() * 3 ) + 4 ) ) {
accel_y = 1;
}
if( ( velocity < std::min( safe_velocity(), safe_player_follow_speed ) && turn_x == 0 &&
rl_dist( vehpos, here.getglobal( player_character.pos_bub() ) ) > 8 + ( (
mount_max.y() * 3 ) + 4 ) ) ||
velocity < 100 ) {
accel_y = -1;
}
} else {
if( ( turn_x > 0 || turn_x < 0 ) && velocity > 1000 ) {
accel_y = 1;
}
if( ( velocity < std::min( safe_velocity(), is_rotorcraft() &&
is_flying_in_air() ? 12000 : 32 * 100 ) && turn_x == 0 ) || velocity < 500 ) {
accel_y = -1;
}
if( is_patrolling && velocity > 400 ) {
accel_y = 1;
}
}
selfdrive( turn_x, accel_y );
}
bool vehicle::precollision_check( units::angle &angle, map &here, bool follow_protocol )
{
if( !precollision_on ) {
return false;
}
Character &player_character = get_player_character();
// now we got the angle to the target, we can work out when we are heading towards disaster.
// Check the tileray in the direction we need to head towards.
std::set<point_abs_ms> points_to_check = immediate_path( angle );
bool stop = false;
creature_tracker &creatures = get_creature_tracker();
for( const point_abs_ms &pt_elem : points_to_check ) {
point_bub_ms elem = here.bub_from_abs( point_abs_ms( pt_elem ) );
if( stop ) {
break;
}
const optional_vpart_position ovp = here.veh_at( tripoint_bub_ms( elem.x(), elem.y(), sm_pos.z ) );
if( here.impassable_ter_furn( tripoint_bub_ms( elem.x(), elem.y(), sm_pos.z ) ) || ( ovp &&
&ovp->vehicle() != this ) ) {
stop = true;
break;
}
if( elem == player_character.pos_bub().xy() ) {
if( follow_protocol || player_character.in_vehicle ) {
continue;
} else {
stop = true;
break;
}
}
bool its_a_pet = false;
if( creatures.creature_at( tripoint_bub_ms( elem, sm_pos.z ) ) ) {
npc *guy = creatures.creature_at<npc>( tripoint_bub_ms( elem, sm_pos.z ) );
if( guy && !guy->in_vehicle ) {
stop = true;
break;
}
for( const vehicle_part &p : parts ) {
monster *mon = get_monster( index_of_part( &p ) );
if( mon && mon->pos_bub().xy() == elem ) {
its_a_pet = true;
break;
}
}
if( !its_a_pet ) {
stop = true;
break;
}
}
}
return stop;
}
units::angle vehicle::get_angle_from_targ( const tripoint_abs_ms &targ ) const
{
tripoint_abs_ms vehpos = global_square_location();
rl_vec2d facevec = face_vec();
point_rel_ms rel_pos_target = targ.xy() - vehpos.xy();
rl_vec2d targetvec = rl_vec2d( rel_pos_target.x(), rel_pos_target.y() );
// cross product
double crossy = ( facevec.x * targetvec.y ) - ( targetvec.x * facevec.y );
// dot product.
double dotx = ( facevec.x * targetvec.x ) + ( facevec.y * targetvec.y );
return units::atan2( crossy, dotx );
}
/**
* Smashes up a vehicle that has already been placed; used for generating
* very damaged vehicles. Additionally, any spot where two vehicles overlapped
* (i.e., any spot with multiple frames) will be completely destroyed, as that
* was the collision point.
*/
void vehicle::smash( map &m, float hp_percent_loss_min, float hp_percent_loss_max,
float percent_of_parts_to_affect, point_rel_ms damage_origin, float damage_size )
{
for( vehicle_part &part : parts ) {
//Skip any parts already mashed up or removed.
if( part.is_broken() || part.removed ) {
continue;
}
std::vector<int> parts_in_square = parts_at_relative( part.mount, true );
int structures_found = 0;
for( const int square_part_index : parts_in_square ) {
const vpart_info &vpi = parts[square_part_index].info();
if( vpi.location == part_location_structure ) {
structures_found++;
}
}
if( structures_found > 1 ) {
//Destroy everything in the square
for( int idx : parts_in_square ) {
vehicle_part &vp = parts[idx];
vp.ammo_unset();
mod_hp( vp, -vp.hp() );
}
continue;
}
int roll = dice( 1, 1000 );
int pct_af = ( percent_of_parts_to_affect * 1000.0f );
if( roll < pct_af ) {
double dist = damage_size == 0.0f ? 1.0f :
clamp( 1.0f - trig_dist( damage_origin, part.precalc[0].xy() ) /
damage_size, 0.0f, 1.0f );
//Everywhere else, drop by 10-120% of max HP (anything over 100 = broken)
const float roll = rng_float( hp_percent_loss_min * dist, hp_percent_loss_max * dist );
if( mod_hp( part, -part.info().durability * roll ) ) {
part.ammo_unset();
}
}
}
std::unique_ptr<RemovePartHandler> handler_ptr;
// clear out any duplicated locations
for( int p = static_cast<int>( parts.size() ) - 1; p >= 0; p-- ) {
vehicle_part &part = parts[p];
if( part.removed ) {
continue;
}
std::vector<int> parts_here = parts_at_relative( part.mount, true );
for( int other_i = static_cast<int>( parts_here.size() ) - 1; other_i >= 0; other_i-- ) {
int other_p = parts_here[other_i];
if( p == other_p ) {
continue;
}
vehicle_part &vp1 = parts[p];
vehicle_part &vp2 = parts[other_p];
const vpart_info &vpi1 = vp1.info();
const vpart_info &vpi2 = vp2.info();
if( vpi1.id == vpi2.id ||
( !vpi1.location.empty() && vpi1.location == vpi2.location ) ) {
// Deferred creation of the handler to here so it is only created when actually needed.
if( !handler_ptr ) {
// This is a heuristic: we just assume the default handler is good enough when called
// on the main game map. And assume that we run from some mapgen code if called on
// another instance.
if( g && &get_map() == &m ) {
handler_ptr = std::make_unique<DefaultRemovePartHandler>();
} else {
handler_ptr = std::make_unique<MapgenRemovePartHandler>( m );
}
}
if( part.is_fake ) {
remove_part( vp1, *handler_ptr );
} else {
remove_part( vp2, *handler_ptr );
}
}
}
}
}
int vehicle::lift_strength() const
{
units::mass mass = total_mass();
return std::max<std::int64_t>( mass / 10000_gram, 1 );
}
bool vehicle::is_engine_type_on( const vehicle_part &vp, const itype_id &ft ) const
{
return is_engine_on( vp ) && is_engine_type( vp, ft );
}
bool vehicle::has_engine_type( const itype_id &ft, const bool enabled ) const
{
for( const int p : engines ) {
const vehicle_part &vp = parts[p];
if( is_engine_type( vp, ft ) && ( !enabled || is_engine_on( vp ) ) ) {
return true;
}
}
return false;
}
bool vehicle::has_engine_type_not( const itype_id &ft, const bool enabled ) const
{
for( const int p : engines ) {
const vehicle_part &vp = parts[p];
if( !is_engine_type( vp, ft ) && ( !enabled || is_engine_on( vp ) ) ) {
return true;
}
}
return false;
}
std::optional<std::string> vehicle::has_engine_conflict( const vpart_info &possible_conflict ) const
{
if( !possible_conflict.engine_info ) {