예제 #1
0
/**
 *  Converts all trains to the new subtype format introduced in savegame 16.2
 *  It also links multiheaded engines or make them forget they are multiheaded if no suitable partner is found
 */
void ConvertOldMultiheadToNew()
{
	Train *t;
	FOR_ALL_TRAINS(t) SetBit(t->subtype, 7); // indicates that it's the old format and needs to be converted in the next loop

	FOR_ALL_TRAINS(t) {
		if (HasBit(t->subtype, 7) && ((t->subtype & ~0x80) == 0 || (t->subtype & ~0x80) == 4)) {
			for (Train *u = t; u != NULL; u = u->Next()) {
				const RailVehicleInfo *rvi = RailVehInfo(u->engine_type);

				ClrBit(u->subtype, 7);
				switch (u->subtype) {
					case 0: // TS_Front_Engine
						if (rvi->railveh_type == RAILVEH_MULTIHEAD) u->SetMultiheaded();
						u->SetFrontEngine();
						u->SetEngine();
						break;

					case 1: // TS_Artic_Part
						u->subtype = 0;
						u->SetArticulatedPart();
						break;

					case 2: // TS_Not_First
						u->subtype = 0;
						if (rvi->railveh_type == RAILVEH_WAGON) {
							/* normal wagon */
							u->SetWagon();
							break;
						}
						if (rvi->railveh_type == RAILVEH_MULTIHEAD && rvi->image_index == u->spritenum - 1) {
							/* rear end of a multiheaded engine */
							u->SetMultiheaded();
							break;
						}
						if (rvi->railveh_type == RAILVEH_MULTIHEAD) u->SetMultiheaded();
						u->SetEngine();
						break;

					case 4: // TS_Free_Car
						u->subtype = 0;
						u->SetWagon();
						u->SetFreeWagon();
						break;
					default: NOT_REACHED();
				}
			}
		}
	}
}
예제 #2
0
void AddArticulatedParts(Vehicle *first)
{
	VehicleType type = first->type;
	if (!HasBit(EngInfo(first->engine_type)->callback_mask, CBM_VEHICLE_ARTIC_ENGINE)) return;

	Vehicle *v = first;
	for (uint i = 1; i < MAX_ARTICULATED_PARTS; i++) {
		bool flip_image;
		EngineID engine_type = GetNextArticPart(i, first->engine_type, first, &flip_image);
		if (engine_type == INVALID_ENGINE) return;

		/* In the (very rare) case the GRF reported wrong number of articulated parts
		 * and we run out of available vehicles, bail out. */
		if (!Vehicle::CanAllocateItem()) return;

		const Engine *e_artic = Engine::Get(engine_type);
		switch (type) {
			default: NOT_REACHED();

			case VEH_TRAIN: {
				Train *front = Train::From(first);
				Train *t = new Train();
				v->SetNext(t);
				v = t;

				t->subtype = 0;
				t->track = front->track;
				t->railtype = front->railtype;
				t->tcache.first_engine = front->engine_type; // needs to be set before first callback

				t->spritenum = e_artic->u.rail.image_index;
				if (e_artic->CanCarryCargo()) {
					t->cargo_type = e_artic->GetDefaultCargoType();
					t->cargo_cap = e_artic->u.rail.capacity;  // Callback 36 is called when the consist is finished
				} else {
					t->cargo_type = front->cargo_type; // Needed for livery selection
					t->cargo_cap = 0;
				}

				t->SetArticulatedPart();
			} break;

			case VEH_ROAD: {
				RoadVehicle *front = RoadVehicle::From(first);
				RoadVehicle *rv = new RoadVehicle();
				v->SetNext(rv);
				v = rv;

				rv->subtype = 0;
				rv->rcache.first_engine = front->engine_type; // needs to be set before first callback
				rv->rcache.cached_veh_length = 8; // Callback is called when the consist is finished
				rv->state = RVSB_IN_DEPOT;

				rv->roadtype = front->roadtype;
				rv->compatible_roadtypes = front->compatible_roadtypes;

				rv->spritenum = e_artic->u.road.image_index;
				if (e_artic->CanCarryCargo()) {
					rv->cargo_type = e_artic->GetDefaultCargoType();
					rv->cargo_cap = e_artic->u.road.capacity;  // Callback 36 is called when the consist is finished
				} else {
					rv->cargo_type = front->cargo_type; // Needed for livery selection
					rv->cargo_cap = 0;
				}

				rv->SetArticulatedPart();
			} break;
		}

		/* get common values from first engine */
		v->direction = first->direction;
		v->owner = first->owner;
		v->tile = first->tile;
		v->x_pos = first->x_pos;
		v->y_pos = first->y_pos;
		v->z_pos = first->z_pos;
		v->build_year = first->build_year;
		v->vehstatus = first->vehstatus & ~VS_STOPPED;

		v->cargo_subtype = 0;
		v->max_speed = 0;
		v->max_age = 0;
		v->engine_type = engine_type;
		v->value = 0;
		v->cur_image = SPR_IMG_QUERY;
		v->random_bits = VehicleRandomBits();

		if (flip_image) v->spritenum++;

		VehicleMove(v, false);
	}
}