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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
#include "lua/modules/luax.h"
#include "lua/modules/types.h"
#include "lua/common/common.h"
#include "libjin/jin.h"
namespace JinEngine
{
namespace Lua
{
using namespace JinEngine::Audio;
using namespace JinEngine::Filesystem;
typedef SDLAudio Audio;
typedef SDLSource Source;
static int l_init(lua_State* L)
{
Audio::Setting setting;
setting.samplerate = 44100;
setting.samples = 44100;
if (!Audio::get()->init(&setting))
{
luax_error(L, "could not init audio");
luax_pushboolean(L, false);
return 1;
}
luax_pushboolean(L, true);
return 1;
}
static int l_play(lua_State* L)
{
Audio::get()->play();
return 0;
}
static int l_stop(lua_State* L)
{
Audio::get()->stop();
return 0;
}
static int l_pause(lua_State* L)
{
Audio::get()->pause();
return 0;
}
static int l_resume(lua_State* L)
{
Audio::get()->resume();
return 0;
}
static int l_setVolume(lua_State* L)
{
float volume = luax_checknumber(L, 1);
Audio::get()->setVolume(volume);
return 0;
}
static int l_newSource(lua_State* L)
{
AssetDatabase* fs = AssetDatabase::get();
const char* f = luax_checkstring(L, 1);
Buffer b;
if (!fs->exists(f))
{
error(L, "No such image %s", f);
goto fail;
}
if (!fs->read(f, b))
{
error(L, "Failed to read source file %s", f);
goto fail;
}
Source* src = Source::createSource((void*)&b, b.size());
if (src == nullptr)
{
error(L, "Failed to decode source file %s", f);
goto fail;
}
Proxy* proxy = (Proxy*)luax_newinstance(L, JIN_AUDIO_SOURCE, sizeof(Proxy));
proxy->bind(new Ref<Source>(src, JIN_AUDIO_SOURCE));
return 1;
fail:
luax_pushnil(L);
return 1;
}
static int l_destroy(lua_State* L)
{
Audio* audio = Audio::get();
audio->quit();
return 0;
}
static const luaL_Reg f[] = {
{ "init", l_init },
{ "play", l_play },
{ "stop", l_stop },
{ "pause", l_pause },
{ "resume", l_resume },
{ "setVolume", l_setVolume },
{ "newSource", l_newSource },
{ "destroy", l_destroy },
{ 0, 0 }
};
extern int luaopen_Source(lua_State* L);
int luaopen_audio(lua_State* L)
{
luaopen_Source(L);
luax_newlib(L, f);
return 1;
}
} // namespace Lua
} // namespace JinEngine
|