diff options
author | KUDr <kudr@openttd.org> | 2007-01-10 18:12:09 +0000 |
---|---|---|
committer | KUDr <kudr@openttd.org> | 2007-01-10 18:12:09 +0000 |
commit | e373ea7096c741a8189f7a480863fd21dd6f6be1 (patch) | |
tree | d9abc3d9810159441bed9f82a52bd1ee52d770dd /src/newgrf_sound.cpp | |
parent | 001d858b528d78743deaf7dcea46ea8f0736bad9 (diff) | |
download | openttd-e373ea7096c741a8189f7a480863fd21dd6f6be1.tar.xz |
(svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
Diffstat (limited to 'src/newgrf_sound.cpp')
-rw-r--r-- | src/newgrf_sound.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/newgrf_sound.cpp b/src/newgrf_sound.cpp new file mode 100644 index 000000000..e96934104 --- /dev/null +++ b/src/newgrf_sound.cpp @@ -0,0 +1,68 @@ +/* $Id$ */ + +#include "stdafx.h" +#include "openttd.h" +#include "oldpool.h" +#include "sound.h" +#include "engine.h" +#include "vehicle.h" +#include "newgrf_callbacks.h" +#include "newgrf_engine.h" +#include "newgrf_sound.h" + +static uint _sound_count = 0; +STATIC_OLD_POOL(SoundInternal, FileEntry, 3, 1000, NULL, NULL) + + +/* Allocate a new FileEntry */ +FileEntry *AllocateFileEntry(void) +{ + if (_sound_count == GetSoundInternalPoolSize()) { + if (!AddBlockToPool(&_SoundInternal_pool)) return NULL; + } + + return GetSoundInternal(_sound_count++); +} + + +void InitializeSoundPool(void) +{ + CleanPool(&_SoundInternal_pool); + _sound_count = 0; + + /* Copy original sound data to the pool */ + SndCopyToPool(); +} + + +FileEntry *GetSound(uint index) +{ + if (index >= _sound_count) return NULL; + return GetSoundInternal(index); +} + + +uint GetNumSounds(void) +{ + return _sound_count; +} + + +bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event) +{ + const GRFFile *file = GetEngineGRF(v->engine_type); + uint16 callback; + + /* If the engine has no GRF ID associated it can't ever play any new sounds */ + if (file == NULL) return false; + + /* Check that the vehicle type uses the sound effect callback */ + if (!HASBIT(EngInfo(v->engine_type)->callbackmask, CBM_SOUND_EFFECT)) return false; + + callback = GetVehicleCallback(CBID_VEHICLE_SOUND_EFFECT, event, 0, v->engine_type, v); + if (callback == CALLBACK_FAILED) return false; + if (callback >= GetNumOriginalSounds()) callback += file->sound_offset - GetNumOriginalSounds(); + + if (callback < GetNumSounds()) SndPlayVehicleFx(callback, v); + return true; +} |