1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* $Id$ */
/** @file newgrf_sound.cpp Handling NewGRF provided sounds. */
#include "stdafx.h"
#include "openttd.h"
#include "oldpool.h"
#include "engine_func.h"
#include "engine_base.h"
#include "newgrf_callbacks.h"
#include "newgrf_engine.h"
#include "newgrf_sound.h"
#include "vehicle_base.h"
#include "sound_func.h"
static uint _sound_count = 0;
STATIC_OLD_POOL(SoundInternal, FileEntry, 3, 1000, NULL, NULL)
/* Allocate a new FileEntry */
FileEntry *AllocateFileEntry()
{
if (_sound_count == GetSoundInternalPoolSize()) {
if (!_SoundInternal_pool.AddBlockToPool()) return NULL;
}
return GetSoundInternal(_sound_count++);
}
void InitializeSoundPool()
{
_SoundInternal_pool.CleanPool();
_sound_count = 0;
/* Copy original sound data to the pool */
SndCopyToPool();
}
FileEntry *GetSound(uint index)
{
if (index >= GetNumSounds()) return NULL;
return GetSoundInternal(index);
}
uint GetNumSounds()
{
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_VEHICLE_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((SoundFx)callback, v);
return true;
}
bool PlayTileSound(const GRFFile *file, uint16 sound_id, TileIndex tile)
{
if (sound_id >= GetNumOriginalSounds()) sound_id += file->sound_offset - GetNumOriginalSounds();
if (sound_id < GetNumSounds()) {
SndPlayTileFx((SoundFx)sound_id, tile);
return true;
}
return false;
}
|
