src/elrail_func.h

   1 /* $Id$ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * 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.
   6  * 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.
   7  * 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/>.
   8  */
   9
  10 /** @file elrail_func.h header file for electrified rail specific functions */
  11
  12 #ifndef ELRAIL_FUNC_H
  13 #define ELRAIL_FUNC_H
  14
  15 #include "rail.h"
  16 #include "tile_cmd.h"
  17 #include "transparency.h"
  18
  19 /**
  20  * Test if a rail type has catenary
  21  * @param rti Rail type to test
  22  */
  23 static inline bool HasRailCatenary (const RailtypeInfo *rti)
  24 {
  25         return HasBit (rti->flags, RTF_CATENARY);
  26 }
  27
  28 /**
  29  * Test if we should draw rail catenary
  30  */
  31 static inline bool IsCatenaryDrawn()
  32 {
  33         return !IsInvisibilitySet(TO_CATENARY) && !_settings_game.vehicle.disable_elrails;
  34 }
  35
  36 /**
  37  * Test if we should draw rail catenary
  38  * @param rt Rail type to test
  39  */
  40 static inline bool HasRailCatenaryDrawn (const RailtypeInfo *rti)
  41 {
  42         return HasRailCatenary (rti) && IsCatenaryDrawn();
  43 }
  44
  45 void DrawRailwayCatenary (const TileInfo *ti);
  46
  47 void DrawRailBridgeHeadCatenary (const TileInfo *ti, const RailtypeInfo *rti,
  48         DiagDirection dir);
  49
  50 void DrawRailAxisCatenary (const TileInfo *ti, const RailtypeInfo *rti,
  51         Axis axis, bool draw_pylons = true, bool draw_wire = true);
  52
  53 void DrawRailTunnelDepotCatenary (const TileInfo *ti, const RailtypeInfo *rti,
  54         bool depot, DiagDirection dir);
  55
  56 void DrawRailTunnelCatenary (const TileInfo *ti, DiagDirection dir);
  57
  58 /**
  59  * Draws wires on a rail depot tile.
  60  * @param ti The TileInfo to draw the wires for.
  61  * @param rti The rail type information of the rail.
  62  * @param dir Direction of the depot.
  63  */
  64 static inline void DrawRailDepotCatenary (const TileInfo *ti,
  65         const RailtypeInfo *rti, DiagDirection dir)
  66 {
  67         DrawRailTunnelDepotCatenary (ti, rti, true, ReverseDiagDir(dir));
  68 }
  69
  70 void DrawRailCatenaryOnBridge(const TileInfo *ti);
  71
  72 bool SettingsDisableElrail(int32 p1); ///< _settings_game.disable_elrail callback
  73
  74 #endif /* ELRAIL_FUNC_H */