diff options
author | rubidium <rubidium@openttd.org> | 2009-07-30 17:44:13 +0000 |
---|---|---|
committer | rubidium <rubidium@openttd.org> | 2009-07-30 17:44:13 +0000 |
commit | 5592eb49556630e7277cabb68c9d7a185eebd7f6 (patch) | |
tree | c9bb9482ae91f9c80145c41001fec505fe812a7c /src/waypoint_cmd.cpp | |
parent | 4a1f6547c678331f5e16b0c06c1e84eaa7d50db9 (diff) | |
download | openttd-5592eb49556630e7277cabb68c9d7a185eebd7f6.tar.xz |
(svn r16993) -Change: make the rail waypoint builder draggable
Diffstat (limited to 'src/waypoint_cmd.cpp')
-rw-r--r-- | src/waypoint_cmd.cpp | 137 |
1 files changed, 87 insertions, 50 deletions
diff --git a/src/waypoint_cmd.cpp b/src/waypoint_cmd.cpp index c95ad1a88..d22f71234 100644 --- a/src/waypoint_cmd.cpp +++ b/src/waypoint_cmd.cpp @@ -120,30 +120,16 @@ static Waypoint *FindDeletedWaypointCloseTo(TileIndex tile, StringID str) return best; } -/** Convert existing rail to waypoint. Eg build a waypoint station over - * piece of rail - * @param tile tile where waypoint will be built - * @param flags type of operation - * @param p1 graphics for waypoint type, 0 indicates standard graphics - * @param p2 unused - * @param text unused - * @return cost of operation or error - * - * @todo When checking for the tile slope, - * distingush between "Flat land required" and "land sloped in wrong direction" +/** + * Check whether the given tile is suitable for a waypoint. + * @param tile the tile to check for suitability + * @param axis the axis of the waypoint */ -CommandCost CmdBuildRailWaypoint(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) +static CommandCost IsValidTileForWaypoint(TileIndex tile, Axis axis) { - Axis axis; - - /* if custom gfx are used, make sure it is within bounds */ - if (p1 >= GetNumCustomStations(STAT_CLASS_WAYP)) return CMD_ERROR; - if (!IsTileType(tile, MP_RAILWAY) || - GetRailTileType(tile) != RAIL_TILE_NORMAL || ( - (axis = AXIS_X, GetTrackBits(tile) != TRACK_BIT_X) && - (axis = AXIS_Y, GetTrackBits(tile) != TRACK_BIT_Y) - )) { + GetRailTileType(tile) != RAIL_TILE_NORMAL || + GetTrackBits(tile) != AxisToTrackBits(axis)) { return_cmd_error(STR_ERROR_NO_SUITABLE_RAILROAD_TRACK); } @@ -159,55 +145,106 @@ CommandCost CmdBuildRailWaypoint(TileIndex tile, DoCommandFlag flags, uint32 p1, if (MayHaveBridgeAbove(tile) && IsBridgeAbove(tile)) return_cmd_error(STR_ERROR_MUST_DEMOLISH_BRIDGE_FIRST); + return CommandCost(); +} + +extern void GetStationLayout(byte *layout, int numtracks, int plat_len, const StationSpec *statspec); + +/** 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 + * @param p2 various bitstuffed elements + * - p2 = (bit 0- 7) - custom station class + * - p2 = (bit 8-15) - custom station id + * @param text unused + * @return cost of operation or error + */ +CommandCost CmdBuildRailWaypoint(TileIndex start_tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) +{ + /* Unpack parameters */ + Axis axis = (Axis)GB(p1, 4, 1); + byte width = GB(p1, 8, 8); + byte height = GB(p1, 16, 8); + + StationClassID spec_class = (StationClassID)GB(p2, 0, 8); + byte spec_index = GB(p2, 8, 8); + + /* Check if the given station class is valid */ + if (spec_class != STAT_CLASS_WAYP) return CMD_ERROR; + if (spec_index >= GetNumCustomStations(spec_class)) 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; + + /* 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); + if (ret.Failed()) return ret; + } + /* Check if there is an already existing, deleted, waypoint close to us that we can reuse. */ - Waypoint *wp = FindDeletedWaypointCloseTo(tile, STR_SV_STNAME_WAYPOINT); + TileIndex center_tile = start_tile + (count / 2) * offset; + Waypoint *wp = FindDeletedWaypointCloseTo(center_tile, STR_SV_STNAME_WAYPOINT); if (wp == NULL && !Waypoint::CanAllocateItem()) return_cmd_error(STR_ERROR_TOO_MANY_STATIONS_LOADING); if (flags & DC_EXEC) { if (wp == NULL) { - wp = new Waypoint(tile); - } else { + wp = new Waypoint(start_tile); + } else if (!wp->IsInUse()) { /* Move existing (recently deleted) waypoint to the new location */ - - /* First we update the destination for all vehicles that - * have the old waypoint in their orders. */ - Vehicle *v; - FOR_ALL_TRAINS(v) { - if (v->First() == v && v->current_order.IsType(OT_GOTO_WAYPOINT) && - v->dest_tile == wp->xy) { - v->dest_tile = tile; - } - } - - wp->xy = tile; + wp->xy = start_tile; InvalidateWindowData(WC_WAYPOINT_VIEW, wp->index); } - wp->owner = owner; + wp->owner = GetTileOwner(start_tile); - wp->rect.BeforeAddTile(tile, StationRect::ADD_TRY); - - bool reserved = HasBit(GetRailReservationTrackBits(tile), AxisToTrack(axis)); - MakeRailWaypoint(tile, owner, wp->index, axis, 0, GetRailType(tile)); - SetRailStationReservation(tile, reserved); - MarkTileDirtyByTile(tile); - - SetCustomStationSpecIndex(tile, AllocateSpecToStation(GetCustomStationSpec(STAT_CLASS_WAYP, p1), wp, true)); + 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.tile = tile; - wp->train_station.w = 1; - wp->train_station.h = 1; + wp->train_station.tile = start_tile; + wp->train_station.w = width; + wp->train_station.h = height; if (wp->town == NULL) MakeDefaultWaypointName(wp); wp->UpdateVirtCoord(); - YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis)); + + const StationSpec *spec = GetCustomStationSpec(spec_class, 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); + + for (int i = 0; i < count; i++) { + TileIndex tile = start_tile + i * offset; + bool reserved = HasBit(GetRailReservationTrackBits(tile), AxisToTrack(axis)); + MakeRailWaypoint(tile, wp->owner, wp->index, axis, layout_ptr[i], GetRailType(tile)); + SetCustomStationSpecIndex(tile, map_spec_index); + SetRailStationReservation(tile, reserved); + MarkTileDirtyByTile(tile); + + YapfNotifyTrackLayoutChange(tile, AxisToTrack(axis)); + } } - return CommandCost(EXPENSES_CONSTRUCTION, _price.build_train_depot); + return CommandCost(EXPENSES_CONSTRUCTION, count * _price.build_train_depot); } /** Build a buoy. |