/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. */ /** @file yapf_costbase.hpp Handling of cost determination. */ #ifndef YAPF_COSTBASE_HPP #define YAPF_COSTBASE_HPP struct CYapfCostBase { FORCEINLINE static bool stSlopeCost(TileIndex tile, Trackdir td) { if (IsDiagonalTrackdir(td)) { if (IsBridgeTile(tile)) { /* it is bridge ramp, check if we are entering the bridge */ if (GetTunnelBridgeDirection(tile) != TrackdirToExitdir(td)) return false; // no, we are leaving it, no penalty /* we are entering the bridge */ Slope tile_slope = GetTileSlope(tile, NULL); Axis axis = DiagDirToAxis(GetTunnelBridgeDirection(tile)); return !HasBridgeFlatRamp(tile_slope, axis); } else { /* not bridge ramp */ if (IsTunnelTile(tile)) return false; // tunnel entry/exit doesn't slope Slope tile_slope = GetTileSlope(tile, NULL); return IsUphillTrackdir(tile_slope, td); // slopes uphill => apply penalty } } return false; } }; struct CostRailSettings { /* look-ahead signal penalty */ }; #endif /* YAPF_COSTBASE_HPP */