Function AddRearEngineToMultiheadedTrain

src/train_cmd.cpp:727–763

}

static void AddRearEngineToMultiheadedTrain(Train *v)
{
	Train *u = new Train();
	v->value >>= 1;
	u->value = v->value;
	u->direction = v->direction;
	u->owner = v->owner;
	u->tile = v->tile;
	u->x_pos = v->x_pos;
	u->y_pos = v->y_pos;
	u->z_pos = v->z_pos;
	u->track = TRACK_BIT_DEPOT;
	u->vehstatus = v->vehstatus;
	u->vehstatus.Reset(VehState::Stopped);
	u->spritenum = v->spritenum + 1;
	u->cargo_type = v->cargo_type;
	u->cargo_subtype = v->cargo_subtype;
	u->cargo_cap = v->cargo_cap;
	u->refit_cap = v->refit_cap;
	u->railtypes = v->railtypes;
	u->engine_type = v->engine_type;
	u->date_of_last_service = v->date_of_last_service;
	u->date_of_last_service_newgrf = v->date_of_last_service_newgrf;
	u->build_year = v->build_year;
	u->sprite_cache.sprite_seq.Set(SPR_IMG_QUERY);
	u->random_bits = Random();
	v->SetMultiheaded();
	u->SetMultiheaded();
	v->SetNext(u);
	auto prob = TestVehicleBuildProbability(u, u->engine_type, BuildProbabilityType::Reversed);
	if (prob.has_value()) u->flags.Set(VehicleRailFlag::Flipped, prob.value());
	u->UpdatePosition();

	/* Now we need to link the front and rear engines together */
	v->other_multiheaded_part = u;
	u->other_multiheaded_part = v;
}

/**
 * Build a railroad vehicle.