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 newgrf_sound.h Functions related to NewGRF provided sounds. */
9 
10 #ifndef NEWGRF_SOUND_H
11 #define NEWGRF_SOUND_H
12 
13 #include "sound_type.h"
14 #include "tile_type.h"
15 #include "vehicle_type.h"
16 
17 /** Events at which a sound might be played. */
18 enum VehicleSoundEvent {
19 	VSE_START         = 1, ///< Vehicle starting, i.e. leaving, the station.
20 	VSE_TUNNEL        = 2, ///< Train entering a tunnel.
21 	VSE_BREAKDOWN     = 3, ///< Vehicle breaking down.
22 	VSE_RUNNING       = 4, ///< Vehicle running normally.
23 	VSE_TOUCHDOWN     = 5, ///< Whenever a plane touches down.
24 	VSE_VISUAL_EFFECT = 6, ///< Vehicle visual effect (steam, diesel smoke or electric spark) is shown.
25 	VSE_RUNNING_16    = 7, ///< Every 16 ticks while the vehicle is running (speed > 0).
26 	VSE_STOPPED_16    = 8, ///< Every 16 ticks while the vehicle is stopped (speed == 0).
27 	VSE_LOAD_UNLOAD   = 9, ///< Whenever cargo payment is made for a vehicle.
28 };
29 
30 
31 SoundEntry *AllocateSound(uint num);
32 void InitializeSoundPool();
33 bool LoadNewGRFSound(SoundEntry *sound);
34 SoundID GetNewGRFSoundID(const struct GRFFile *file, SoundID sound_id);
35 SoundEntry *GetSound(SoundID sound_id);
36 uint GetNumSounds();
37 bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event);
38 void PlayTileSound(const struct GRFFile *file, SoundID sound_id, TileIndex tile);
39 
40 #endif /* NEWGRF_SOUND_H */
41