newgrf_sound.cpp
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00002
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "oldpool.h"
00008 #include "engine.h"
00009 #include "newgrf_callbacks.h"
00010 #include "newgrf_engine.h"
00011 #include "newgrf_sound.h"
00012 #include "vehicle_base.h"
00013 #include "sound_func.h"
00014
00015 static uint _sound_count = 0;
00016 STATIC_OLD_POOL(SoundInternal, FileEntry, 3, 1000, NULL, NULL)
00017
00018
00019
00020 FileEntry *AllocateFileEntry()
00021 {
00022 if (_sound_count == GetSoundInternalPoolSize()) {
00023 if (!_SoundInternal_pool.AddBlockToPool()) return NULL;
00024 }
00025
00026 return GetSoundInternal(_sound_count++);
00027 }
00028
00029
00030 void InitializeSoundPool()
00031 {
00032 _SoundInternal_pool.CleanPool();
00033 _sound_count = 0;
00034
00035
00036 SndCopyToPool();
00037 }
00038
00039
00040 FileEntry *GetSound(uint index)
00041 {
00042 if (index >= GetNumSounds()) return NULL;
00043 return GetSoundInternal(index);
00044 }
00045
00046
00047 uint GetNumSounds()
00048 {
00049 return _sound_count;
00050 }
00051
00052
00053 bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event)
00054 {
00055 const GRFFile *file = GetEngineGRF(v->engine_type);
00056 uint16 callback;
00057
00058
00059 if (file == NULL) return false;
00060
00061
00062 if (!HasBit(EngInfo(v->engine_type)->callbackmask, CBM_VEHICLE_SOUND_EFFECT)) return false;
00063
00064 callback = GetVehicleCallback(CBID_VEHICLE_SOUND_EFFECT, event, 0, v->engine_type, v);
00065 if (callback == CALLBACK_FAILED) return false;
00066 if (callback >= GetNumOriginalSounds()) callback += file->sound_offset - GetNumOriginalSounds();
00067
00068 if (callback < GetNumSounds()) SndPlayVehicleFx((SoundFx)callback, v);
00069 return true;
00070 }
00071
00072 bool PlayHouseSound(uint16 sound_id, TileIndex tile)
00073 {
00074 if (sound_id < GetNumOriginalSounds()) {
00075 SndPlayTileFx((SoundFx)sound_id, tile);
00076 return true;
00077 }
00078 return false;
00079 }