示例#1
0
/**
 * Build a buoy.
 * @param tile tile where to place the buoy
 * @param flags operation to perform
 * @param p1 unused
 * @param p2 unused
 * @param text unused
 * @return the cost of this operation or an error
 */
CommandCost CmdBuildBuoy(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
	if (tile == 0) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);

	WaterClass wc;
	if ((flags & DC_PASTE) && !(flags & DC_EXEC)) {
		/* When pasting a buoy, there may be no water yet (a canal will be placed when DC_EXE'ing).
		 * Ignore that there is no water so we can calculate the cost more precisely. */
		wc = WATER_CLASS_INVALID;
	} else {
		if (!HasTileWaterGround(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
		wc = GetWaterClass(tile);
	}

	if (IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);

	if (!IsTileFlat(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);

	/* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
	Waypoint *wp = FindDeletedWaypointCloseTo(tile, STR_SV_STNAME_BUOY, OWNER_NONE);
	if (wp == NULL && !Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);

	CommandCost cost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_WAYPOINT_BUOY]);
	if (!IsWaterTile(tile)) {
		CommandCost ret = DoCommand(tile, 0, 0, flags | DC_AUTO, CMD_LANDSCAPE_CLEAR);
		if (ret.Failed()) return ret;
		cost.AddCost(ret);
	}

	if (flags & DC_EXEC) {
		if (wp == NULL) {
			wp = new Waypoint(tile);
		} else {
			/* Move existing (recently deleted) buoy to the new location */
			wp->xy = tile;
			InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
		}
		wp->rect.BeforeAddTile(tile, StationRect::ADD_TRY);

		wp->string_id = STR_SV_STNAME_BUOY;

		wp->facilities |= FACIL_DOCK;
		wp->owner = OWNER_NONE;

		wp->build_date = _date;

		if (wp->town == NULL) MakeDefaultName(wp);

		assert(wc != WATER_CLASS_INVALID);
		MakeBuoy(tile, wp->index, wc);

		wp->UpdateVirtCoord();
		InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
	}

	return cost;
}
示例#2
0
/**
 * Build a buoy.
 * @param tile tile where to place the buoy
 * @param flags operation to perform
 * @param p1 unused
 * @param p2 unused
 * @param text unused
 * @return the cost of this operation or an error
 */
CommandCost CmdBuildBuoy(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
	if (tile == 0 || !HasTileWaterGround(tile)) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);
	if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);

	if (GetTileSlope(tile) != SLOPE_FLAT) return_cmd_error(STR_ERROR_SITE_UNSUITABLE);

	/* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
	Waypoint *wp = FindDeletedWaypointCloseTo(tile, STR_SV_STNAME_BUOY, OWNER_NONE);
	if (wp == NULL && !Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);

	CommandCost cost(EXPENSES_CONSTRUCTION, _price[PR_BUILD_WAYPOINT_BUOY]);
	if (!IsWaterTile(tile)) {
		CommandCost ret = DoCommand(tile, 0, 0, flags | DC_AUTO, CMD_LANDSCAPE_CLEAR);
		if (ret.Failed()) return ret;
		cost.AddCost(ret);
	}

	if (flags & DC_EXEC) {
		if (wp == NULL) {
			wp = new Waypoint(tile);
		} else {
			/* Move existing (recently deleted) buoy to the new location */
			wp->xy = tile;
			InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
		}
		wp->rect.BeforeAddTile(tile, StationRect::ADD_TRY);

		wp->string_id = STR_SV_STNAME_BUOY;

		wp->facilities |= FACIL_DOCK;
		wp->owner = OWNER_NONE;

		wp->build_date = _date;

		if (wp->town == NULL) MakeDefaultName(wp);

		MakeBuoy(tile, wp->index, GetWaterClass(tile));

		wp->UpdateVirtCoord();
		InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
	}

	return cost;
}
示例#3
0
/**
 * Convert existing rail to waypoint. Eg build a waypoint station over
 * piece of rail
 * @param start_tile northern most tile where waypoint will be built
 * @param flags type of operation
 * @param p1 various bitstuffed elements
 * - p1 = (bit  4)    - orientation (Axis)
 * - p1 = (bit  8-15) - width of waypoint
 * - p1 = (bit 16-23) - height of waypoint
 * - p1 = (bit 24)    - allow waypoints directly adjacent to other waypoints.
 * @param p2 various bitstuffed elements
 * - p2 = (bit  0- 7) - custom station class
 * - p2 = (bit  8-15) - custom station id
 * @param text unused
 * @return the cost of this operation or an error
 */
CommandCost CmdBuildRailWaypoint(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{
	/* Unpack parameters */
	Axis axis      = Extract<Axis, 4, 1>(p1);
	byte width     = GB(p1,  8, 8);
	byte height    = GB(p1, 16, 8);
	bool adjacent  = HasBit(p1, 24);

	StationClassID spec_class = Extract<StationClassID, 0, 8>(p2);
	byte spec_index           = GB(p2, 8, 8);
	StationID station_to_join = GB(p2, 16, 16);

	/* Check if the given station class is valid */
	if (spec_class != STAT_CLASS_WAYP) return CMD_ERROR;
	if (spec_index >= StationClass::Get(spec_class)->GetSpecCount()) return CMD_ERROR;

	/* The number of parts to build */
	byte count = axis == AXIS_X ? height : width;

	if ((axis == AXIS_X ? width : height) != 1) return CMD_ERROR;
	if (count == 0 || count > _settings_game.station.station_spread) return CMD_ERROR;

	bool reuse = (station_to_join != NEW_STATION);
	if (!reuse) station_to_join = INVALID_STATION;
	bool distant_join = (station_to_join != INVALID_STATION);

	if (distant_join && (!_settings_game.station.distant_join_stations || !Waypoint::IsValidID(station_to_join))) return CMD_ERROR;

	/* Make sure the area below consists of clear tiles. (OR tiles belonging to a certain rail station) */
	StationID est = INVALID_STATION;

	/* Check whether the tiles we're building on are valid rail or not. */
	TileIndexDiff offset = TileOffsByDiagDir(AxisToDiagDir(OtherAxis(axis)));
	for (int i = 0; i < count; i++) {
		TileIndex tile = start_tile + i * offset;
		CommandCost ret = IsValidTileForWaypoint(tile, axis, &est);
		if (ret.Failed()) return ret;
	}

	Waypoint *wp = NULL;
	TileArea new_location(TileArea(start_tile, width, height));
	CommandCost ret = FindJoiningWaypoint(est, station_to_join, adjacent, new_location, &wp);
	if (ret.Failed()) return ret;

	/* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
	TileIndex center_tile = start_tile + (count / 2) * offset;
	if (wp == NULL && reuse) wp = FindDeletedWaypointCloseTo(center_tile, STR_SV_STNAME_WAYPOINT, _current_company);

	if (wp != NULL) {
		/* Reuse an existing waypoint. */
		if (wp->owner != _current_company) return_cmd_error(STR_ERROR_TOO_CLOSE_TO_ANOTHER_WAYPOINT);

		/* check if we want to expand an already existing waypoint? */
		if (wp->train_station.tile != INVALID_TILE) {
			CommandCost ret = CanExpandRailStation(wp, new_location, axis);
			if (ret.Failed()) return ret;
		}

		CommandCost ret = wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TEST);
		if (ret.Failed()) return ret;
	} else {
		/* allocate and initialize new waypoint */
		if (!Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
	}

	if (flags & DC_EXEC) {
		if (wp == NULL) {
			wp = new Waypoint(start_tile);
		} else if (!wp->IsInUse()) {
			/* Move existing (recently deleted) waypoint to the new location */
			wp->xy = start_tile;
		}
		wp->owner = GetTileOwner(start_tile);

		wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TRY);

		wp->delete_ctr = 0;
		wp->facilities |= FACIL_TRAIN;
		wp->build_date = _date;
		wp->string_id = STR_SV_STNAME_WAYPOINT;
		wp->train_station = new_location;

		if (wp->town == NULL) MakeDefaultName(wp);

		wp->UpdateVirtCoord();

		const StationSpec *spec = StationClass::Get(spec_class)->GetSpec(spec_index);
		byte *layout_ptr = AllocaM(byte, count);
		if (spec == NULL) {
			/* The layout must be 0 for the 'normal' waypoints by design. */
			memset(layout_ptr, 0, count);
		} else {
			/* But for NewGRF waypoints we like to have their style. */
			GetStationLayout(layout_ptr, count, 1, spec);
		}
		byte map_spec_index = AllocateSpecToStation(spec, wp, true);

		Company *c = Company::Get(wp->owner);
		for (int i = 0; i < count; i++) {
			TileIndex tile = start_tile + i * offset;
			byte old_specindex = HasStationTileRail(tile) ? GetCustomStationSpecIndex(tile) : 0;
			if (!HasStationTileRail(tile)) c->infrastructure.station++;
			bool reserved = IsTileType(tile, MP_RAILWAY) ?
					HasBit(GetRailReservationTrackBits(tile), AxisToTrack(axis)) :
					HasStationReservation(tile);
			MakeRailWaypoint(tile, wp->owner, wp->index, axis, layout_ptr[i], GetRailType(tile));
			SetCustomStationSpecIndex(tile, map_spec_index);
			SetRailStationReservation(tile, reserved);
			MarkTileDirtyByTile(tile);

			DeallocateSpecFromStation(wp, old_specindex);
			YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis));
		}
		DirtyCompanyInfrastructureWindows(wp->owner);
	}

	return CommandCost(EXPENSES_CONSTRUCTION, count * _price[PR_BUILD_WAYPOINT_RAIL]);
}