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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
#include <vector>
#include <list>
#include "audio.h"
#include "SDL.h"
#ifndef NOAUDIO
#include "SDL_mixer.h"
#endif
namespace el3 {
bool on_=true;
bool Audio::init() {
#ifndef NOAUDIO
on_=false;
const int buffer=512;
if( SDL_InitSubSystem( SDL_INIT_AUDIO) < 0 ) {
std::cout << "Error SDL_InitSubSystem( SDL_INIT_AUDIO) " << SDL_GetError() << std::endl;
return false;
}
if (Mix_OpenAudio( MIX_DEFAULT_FREQUENCY, MIX_DEFAULT_FORMAT, 2, buffer) < 0) {
if (Mix_OpenAudio( MIX_DEFAULT_FREQUENCY, MIX_DEFAULT_FORMAT, 2, buffer) < 0) {
std::cout << "Error : " << Mix_GetError() << std::endl;
return false;
}
}
Mix_AllocateChannels(AC_LAST);
Mix_ReserveChannels(AC_EXPLOSION);
on_=true;
#endif
return true;
}
void Audio::off() {on_=false; }
void Audio::on() {on_=true; }
void Audio::toggle() {on_=!on_; }
#ifndef NOAUDIO
Mix_Chunk *loadchunk(std::string file) {
return Mix_LoadWAV(file.c_str());
}
std::vector <Mix_Chunk *> chunks;
#endif
bool Audio::load(std::string path) {
bool err=false;
#ifndef NOAUDIO
Mix_Chunk *c;
chunks.resize(AS_LAST);
std::string name;
std::string ext=".ogg";
name=path+"el3_title2"+ext;
c=loadchunk(name);
if (c==NULL) { std::cout << "failed to load " << name<<std::endl; err=true; }
chunks[AS_TITLE]=c;
name=path+"failed3"+ext;
c=loadchunk(name);
if (c==NULL) {std::cout << "failed to load " << name << std::endl;err=true; }
chunks[AS_FAILED]=c;
name=path+"passed2"+ext;
c=loadchunk(name);
if (c==NULL) { std::cout << "failed to load " << name<<std::endl; err=true; }
chunks[AS_PASSED]=c;
name=path+"laser2"+ext;
c=loadchunk(name);
if (c==NULL) { std::cout << "failed to load " << name<<std::endl; err=true; }
chunks[AS_LASER]=c;
name=path+"jetpack2"+ext;
c=loadchunk(name);
if (c==NULL) { std::cout << "failed to load " << name<<std::endl; err=true; }
chunks[AS_JETPACK]=c;
name=path+"explosion3"+ext;
c=loadchunk(name);
if (c==NULL) { std::cout << "failed to load " << name<<std::endl; err=true; }
chunks[AS_EXPLOSION]=c;
name=path+"prob1"+ext;
c=loadchunk(name);
if (c==NULL) {std::cout << "failed to load " << name << std::endl;err=true; }
chunks[AS_PROBLEM]=c;
name=path+"pick1"+ext;
c=loadchunk(name);
if (c==NULL) {std::cout << "failed to load " << name << std::endl;err=true; }
chunks[AS_PICK]=c;
name=path+"hurt1"+ext;
c=loadchunk(name);
if (c==NULL) {std::cout << "failed to load " << name << std::endl;err=true; }
chunks[AS_HURT]=c;
#endif
return !err;
}
void Audio::play(E_AudioSample s,E_AudioChannel chan,int repeat) {
#ifndef NOAUDIO
if (!on_) return;
if (chunks.size()==0) return;
Mix_Chunk *c;
c=chunks[s];
if (!c) return;
Mix_PlayChannel(chan, c, repeat);
#endif
}
class toplay {
public:
toplay() {}
toplay(unsigned int delay,E_AudioSample s,E_AudioChannel c,int r) {
sample=s;
chan=c;
repeat=r;
tick=SDL_GetTicks()+delay;
}
unsigned int tick;
E_AudioSample sample;
E_AudioChannel chan;
int repeat;
bool check() {
if (tick==0) return false;
if (SDL_GetTicks()<tick) return true;
Audio::play(sample,chan,repeat);
tick=0;
return false;
}
};
std::list <toplay> schedule;
void Audio::tick() {
if (!on_) return;
bool keep=false;
std::list <toplay>::iterator it;
for (it=schedule.begin();it!=schedule.end();it++) {
if ((*it).check()) {
keep=true;
}
}
if (!keep) schedule.resize(0);
}
void Audio::schedule_play(unsigned int delay,E_AudioSample s,E_AudioChannel chan,int repeat) {
toplay t=toplay(delay,s,chan,repeat);
schedule.push_back(t);
}
} //namespace
|
