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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
Minetest-c55
Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program 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. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef SOUND_HEADER
#define SOUND_HEADER
#include "irrlichttypes.h"
#include <string>
#include <set>
class OnDemandSoundFetcher
{
public:
virtual void fetchSounds(const std::string &name,
std::set<std::string> &dst_paths,
std::set<std::string> &dst_datas) = 0;
};
struct SimpleSoundSpec
{
std::string name;
float gain;
SimpleSoundSpec(std::string name="", float gain=1.0):
name(name),
gain(gain)
{}
bool exists() {return name != "";}
// Serialization intentionally left out
};
class ISoundManager
{
public:
virtual ~ISoundManager(){}
// Multiple sounds can be loaded per name; when played, the sound
// should be chosen randomly from alternatives
// Return value determines success/failure
virtual bool loadSoundFile(const std::string &name,
const std::string &filepath) = 0;
virtual bool loadSoundData(const std::string &name,
const std::string &filedata) = 0;
virtual void updateListener(v3f pos, v3f vel, v3f at, v3f up) = 0;
virtual void setListenerGain(float gain) = 0;
// playSound functions return -1 on failure, otherwise a handle to the
// sound. If name=="", call should be ignored without error.
virtual int playSound(const std::string &name, bool loop,
float volume) = 0;
virtual int playSoundAt(const std::string &name, bool loop,
float volume, v3f pos) = 0;
virtual void stopSound(int sound) = 0;
virtual bool soundExists(int sound) = 0;
virtual void updateSoundPosition(int sound, v3f pos) = 0;
int playSound(const SimpleSoundSpec &spec, bool loop)
{ return playSound(spec.name, loop, spec.gain); }
int playSoundAt(const SimpleSoundSpec &spec, bool loop, v3f pos)
{ return playSoundAt(spec.name, loop, spec.gain, pos); }
};
class DummySoundManager: public ISoundManager
{
public:
virtual bool loadSoundFile(const std::string &name,
const std::string &filepath) {return true;}
virtual bool loadSoundData(const std::string &name,
const std::string &filedata) {return true;}
void updateListener(v3f pos, v3f vel, v3f at, v3f up) {}
void setListenerGain(float gain) {}
int playSound(const std::string &name, bool loop,
float volume) {return 0;}
int playSoundAt(const std::string &name, bool loop,
float volume, v3f pos) {return 0;}
void stopSound(int sound) {}
bool soundExists(int sound) {return false;}
void updateSoundPosition(int sound, v3f pos) {}
};
// Global DummySoundManager singleton
extern DummySoundManager dummySoundManager;
#endif
|
