Function CmdBuildShip

src/ship_cmd.cpp:865–932

* Build a ship. * @param flags type of operation. * @param tile tile of the depot where ship is built. * @param e the engine to build. * @param[out] ret the vehicle that has been built. * @return the cost of this operation or an error. */

 * @return the cost of this operation or an error.
 */
CommandCost CmdBuildShip(DoCommandFlags flags, TileIndex tile, const Engine *e, Vehicle **ret)
{
	tile = GetShipDepotNorthTile(tile);
	if (flags.Test(DoCommandFlag::Execute)) {
		int x;
		int y;

		const ShipVehicleInfo *svi = &e->VehInfo<ShipVehicleInfo>();

		Ship *v = new Ship();
		*ret = v;

		v->owner = _current_company;
		v->tile = tile;
		x = TileX(tile) * TILE_SIZE + TILE_SIZE / 2;
		y = TileY(tile) * TILE_SIZE + TILE_SIZE / 2;
		v->x_pos = x;
		v->y_pos = y;
		v->z_pos = GetSlopePixelZ(x, y);

		v->direction = DiagDirToDir(GetShipDepotDirection(tile));

		/* UpdateDeltaXY() requires rotation to be initialised as well. */
		v->rotation = v->direction;
		v->UpdateDeltaXY();

		v->vehstatus = {VehState::Hidden, VehState::Stopped, VehState::DefaultPalette};

		v->spritenum = svi->image_index;
		v->cargo_type = e->GetDefaultCargoType();
		assert(IsValidCargoType(v->cargo_type));
		v->cargo_cap = svi->capacity;
		v->refit_cap = 0;

		v->last_station_visited = StationID::Invalid();
		v->last_loading_station = StationID::Invalid();
		v->engine_type = e->index;

		v->reliability = e->reliability;
		v->reliability_spd_dec = e->reliability_spd_dec;
		v->max_age = e->GetLifeLengthInDays();

		v->state = TRACK_BIT_DEPOT;

		v->SetServiceInterval(Company::Get(_current_company)->settings.vehicle.servint_ships);
		v->date_of_last_service = TimerGameEconomy::date;
		v->date_of_last_service_newgrf = TimerGameCalendar::date;
		v->build_year = TimerGameCalendar::year;
		v->sprite_cache.sprite_seq.Set(SPR_IMG_QUERY);
		v->random_bits = Random();

		v->acceleration = svi->acceleration;
		v->UpdateCache();

		if (e->flags.Test(EngineFlag::ExclusivePreview)) v->vehicle_flags.Set(VehicleFlag::BuiltAsPrototype);
		v->SetServiceIntervalIsPercent(Company::Get(_current_company)->settings.vehicle.servint_ispercent);

		v->InvalidateNewGRFCacheOfChain();