newgrf_sound.cpp
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00002
00005 #include "stdafx.h"
00006 #include "engine_base.h"
00007 #include "newgrf_engine.h"
00008 #include "newgrf_sound.h"
00009 #include "vehicle_base.h"
00010 #include "sound_func.h"
00011
00012 static uint _sound_count = 0;
00013 STATIC_OLD_POOL(SoundInternal, FileEntry, 3, 1000, NULL, NULL)
00014
00015
00016
00017 FileEntry *AllocateFileEntry()
00018 {
00019 if (_sound_count == GetSoundInternalPoolSize()) {
00020 if (!_SoundInternal_pool.AddBlockToPool()) return NULL;
00021 }
00022
00023 return GetSoundInternal(_sound_count++);
00024 }
00025
00026
00027 void InitializeSoundPool()
00028 {
00029 _SoundInternal_pool.CleanPool();
00030 _sound_count = 0;
00031
00032
00033 SndCopyToPool();
00034 }
00035
00036
00037 FileEntry *GetSound(uint index)
00038 {
00039 if (index >= GetNumSounds()) return NULL;
00040 return GetSoundInternal(index);
00041 }
00042
00043
00044 uint GetNumSounds()
00045 {
00046 return _sound_count;
00047 }
00048
00049
00050 bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event)
00051 {
00052 const GRFFile *file = GetEngineGRF(v->engine_type);
00053 uint16 callback;
00054
00055
00056 if (file == NULL) return false;
00057
00058
00059 if (!HasBit(EngInfo(v->engine_type)->callbackmask, CBM_VEHICLE_SOUND_EFFECT)) return false;
00060
00061 callback = GetVehicleCallback(CBID_VEHICLE_SOUND_EFFECT, event, 0, v->engine_type, v);
00062 if (callback == CALLBACK_FAILED) return false;
00063 if (callback >= GetNumOriginalSounds()) callback += file->sound_offset - GetNumOriginalSounds();
00064
00065 if (callback < GetNumSounds()) SndPlayVehicleFx((SoundFx)callback, v);
00066 return true;
00067 }
00068
00069 bool PlayTileSound(const GRFFile *file, uint16 sound_id, TileIndex tile)
00070 {
00071 if (sound_id >= GetNumOriginalSounds()) sound_id += file->sound_offset - GetNumOriginalSounds();
00072
00073 if (sound_id < GetNumSounds()) {
00074 SndPlayTileFx((SoundFx)sound_id, tile);
00075 return true;
00076 }
00077 return false;
00078 }