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 elrail_func.h header file for electrified rail specific functions */
9 
10 #ifndef ELRAIL_FUNC_H
11 #define ELRAIL_FUNC_H
12 
13 #include "rail.h"
14 #include "tile_cmd.h"
15 #include "transparency.h"
16 
17 /**
18  * Test if a rail type has catenary
19  * @param rt Rail type to test
20  */
HasRailCatenary(RailType rt)21 static inline bool HasRailCatenary(RailType rt)
22 {
23 	return HasBit(GetRailTypeInfo(rt)->flags, RTF_CATENARY);
24 }
25 
26 /**
27  * Test if we should draw rail catenary
28  * @param rt Rail type to test
29  */
HasRailCatenaryDrawn(RailType rt)30 static inline bool HasRailCatenaryDrawn(RailType rt)
31 {
32 	return HasRailCatenary(rt) && !IsInvisibilitySet(TO_CATENARY) && !_settings_game.vehicle.disable_elrails;
33 }
34 
35 void DrawRailCatenary(const TileInfo *ti);
36 void DrawRailCatenaryOnTunnel(const TileInfo *ti);
37 void DrawRailCatenaryOnBridge(const TileInfo *ti);
38 
39 void SettingsDisableElrail(int32 new_value); ///< _settings_game.disable_elrail callback
40 
41 #endif /* ELRAIL_FUNC_H */
42