src/depot_func.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file depot_func.h Functions related to depots. */
   9
  10 #ifndef DEPOT_FUNC_H
  11 #define DEPOT_FUNC_H
  12
  13 #include "vehicle_type.h"
  14 #include "slope_func.h"
  15
  16 void ShowDepotWindow(TileIndex tile, VehicleType type);
  17
  18 void DeleteDepotHighlightOfVehicle(const Vehicle *v);
  19
  20 /**
  21  * Find out if the slope of the tile is suitable to build a depot of given direction
  22  * @param direction The direction in which the depot's exit points
  23  * @param tileh The slope of the tile in question
  24  * @return true if the construction is possible
  25  */
  26 static inline bool CanBuildDepotByTileh(DiagDirection direction, Slope tileh)
  27 {
  28         assert(tileh != SLOPE_FLAT);
  29         Slope entrance_corners = InclinedSlope(direction);
  30         /* For steep slopes both entrance corners must be raised (i.e. neither of them is the lowest corner),
  31          * For non-steep slopes at least one corner must be raised. */
  32         return IsSteepSlope(tileh) ? (tileh & entrance_corners) == entrance_corners : (tileh & entrance_corners) != 0;
  33 }
  34
  35 #endif /* DEPOT_FUNC_H */