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@ -120,30 +120,16 @@ static Waypoint *FindDeletedWaypointCloseTo(TileIndex tile, StringID str)
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return best;
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}
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/** Convert existing rail to waypoint. Eg build a waypoint station over
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* piece of rail
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* @param tile tile where waypoint will be built
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* @param flags type of operation
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* @param p1 graphics for waypoint type, 0 indicates standard graphics
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* @param p2 unused
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* @param text unused
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* @return cost of operation or error
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*
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* @todo When checking for the tile slope,
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* distingush between "Flat land required" and "land sloped in wrong direction"
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/**
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* Check whether the given tile is suitable for a waypoint.
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* @param tile the tile to check for suitability
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* @param axis the axis of the waypoint
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*/
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CommandCost CmdBuildRailWaypoint(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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static CommandCost IsValidTileForWaypoint(TileIndex tile, Axis axis)
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{
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Axis axis;
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/* if custom gfx are used, make sure it is within bounds */
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if (p1 >= GetNumCustomStations(STAT_CLASS_WAYP)) return CMD_ERROR;
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if (!IsTileType(tile, MP_RAILWAY) ||
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GetRailTileType(tile) != RAIL_TILE_NORMAL || (
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(axis = AXIS_X, GetTrackBits(tile) != TRACK_BIT_X) &&
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(axis = AXIS_Y, GetTrackBits(tile) != TRACK_BIT_Y)
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)) {
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GetRailTileType(tile) != RAIL_TILE_NORMAL ||
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GetTrackBits(tile) != AxisToTrackBits(axis)) {
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return_cmd_error(STR_ERROR_NO_SUITABLE_RAILROAD_TRACK);
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}
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@ -159,55 +145,106 @@ CommandCost CmdBuildRailWaypoint(TileIndex tile, DoCommandFlag flags, uint32 p1,
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if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST);
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return CommandCost();
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}
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extern void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec);
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/** Convert existing rail to waypoint. Eg build a waypoint station over
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* piece of rail
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* @param start_tile northern most tile where waypoint will be built
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* @param flags type of operation
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* @param p1 various bitstuffed elements
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* - p1 = (bit 4) - orientation (Axis)
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* - p1 = (bit 8-15) - width of waypoint
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* - p1 = (bit 16-23) - height of waypoint
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* @param p2 various bitstuffed elements
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* - p2 = (bit 0- 7) - custom station class
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* - p2 = (bit 8-15) - custom station id
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* @param text unused
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* @return cost of operation or error
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*/
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CommandCost CmdBuildRailWaypoint(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
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{
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/* Unpack parameters */
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Axis axis = (Axis)GB(p1, 4, 1);
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byte width = GB(p1, 8, 8);
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byte height = GB(p1, 16, 8);
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StationClassID spec_class = (StationClassID)GB(p2, 0, 8);
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byte spec_index = GB(p2, 8, 8);
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/* Check if the given station class is valid */
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if (spec_class != STAT_CLASS_WAYP) return CMD_ERROR;
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if (spec_index >= GetNumCustomStations(spec_class)) return CMD_ERROR;
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/* The number of parts to build */
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byte count = axis == AXIS_X ? height : width;
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if ((axis == AXIS_X ? width : height) != 1) return CMD_ERROR;
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if (count == 0 || count > _settings_game.station.station_spread) return CMD_ERROR;
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/* Check whether the tiles we're building on are valid rail or not. */
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TileIndexDiff offset = TileOffsByDiagDir(AxisToDiagDir(OtherAxis(axis)));
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for (int i = 0; i < count; i++) {
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TileIndex tile = start_tile + i * offset;
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CommandCost ret = IsValidTileForWaypoint(tile, axis);
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if (ret.Failed()) return ret;
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}
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/* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */
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Waypoint *wp = FindDeletedWaypointCloseTo(tile, STR_SV_STNAME_WAYPOINT);
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TileIndex center_tile = start_tile + (count / 2) * offset;
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Waypoint *wp = FindDeletedWaypointCloseTo(center_tile, STR_SV_STNAME_WAYPOINT);
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if (wp == NULL && !Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING);
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if (flags & DC_EXEC) {
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if (wp == NULL) {
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wp = new Waypoint(tile);
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} else {
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wp = new Waypoint(start_tile);
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} else if (!wp->IsInUse()) {
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/* Move existing (recently deleted) waypoint to the new location */
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/* First we update the destination for all vehicles that
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* have the old waypoint in their orders. */
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Vehicle *v;
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FOR_ALL_TRAINS(v) {
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if (v->First() == v && v->current_order.IsType(OT_GOTO_WAYPOINT) &&
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v->dest_tile == wp->xy) {
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v->dest_tile = tile;
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}
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}
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wp->xy = tile;
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wp->xy = start_tile;
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InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index);
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}
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wp->owner = owner;
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wp->owner = GetTileOwner(start_tile);
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wp->rect.BeforeAddTile(tile, StationRect::ADD_TRY);
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bool reserved = HasBit(GetRailReservationTrackBits(tile), AxisToTrack(axis));
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MakeRailWaypoint(tile, owner, wp->index, axis, 0, GetRailType(tile));
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SetRailStationReservation(tile, reserved);
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MarkTileDirtyByTile(tile);
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SetCustomStationSpecIndex(tile, AllocateSpecToStation(GetCustomStationSpec(STAT_CLASS_WAYP, p1), wp, true));
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wp->rect.BeforeAddRect(start_tile, width, height, StationRect::ADD_TRY);
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wp->delete_ctr = 0;
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wp->facilities |= FACIL_TRAIN;
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wp->build_date = _date;
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wp->string_id = STR_SV_STNAME_WAYPOINT;
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wp->train_station.tile = tile;
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wp->train_station.w = 1;
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wp->train_station.h = 1;
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wp->train_station.tile = start_tile;
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wp->train_station.w = width;
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wp->train_station.h = height;
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if (wp->town == NULL) MakeDefaultWaypointName(wp);
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wp->UpdateVirtCoord();
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YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis));
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const StationSpec *spec = GetCustomStationSpec(spec_class, spec_index);
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byte *layout_ptr = AllocaM(byte, count);
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if (spec == NULL) {
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/* The layout must be 0 for the 'normal' waypoints by design. */
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memset(layout_ptr, 0, count);
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} else {
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/* But for NewGRF waypoints we like to have their style. */
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GetStationLayout(layout_ptr, count, 1, spec);
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}
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byte map_spec_index = AllocateSpecToStation(spec, wp, true);
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for (int i = 0; i < count; i++) {
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TileIndex tile = start_tile + i * offset;
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bool reserved = HasBit(GetRailReservationTrackBits(tile), AxisToTrack(axis));
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MakeRailWaypoint(tile, wp->owner, wp->index, axis, layout_ptr[i], GetRailType(tile));
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SetCustomStationSpecIndex(tile, map_spec_index);
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SetRailStationReservation(tile, reserved);
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MarkTileDirtyByTile(tile);
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YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis));
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}
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}
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return CommandCost(EXPENSES_CONSTRUCTION, _price.build_train_depot);
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return CommandCost(EXPENSES_CONSTRUCTION, count * _price.build_train_depot);
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}
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/** Build a buoy.
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rubidium
15 years ago