1 ////////////////////////////////////////////////////////////
2 //
3 // SFML - Simple and Fast Multimedia Library
4 // Copyright (C) 2007-2018 Laurent Gomila (laurent@sfml-dev.org)
5 //
6 // This software is provided 'as-is', without any express or implied warranty.
7 // In no event will the authors be held liable for any damages arising from the use of this software.
8 //
9 // Permission is granted to anyone to use this software for any purpose,
10 // including commercial applications, and to alter it and redistribute it freely,
11 // subject to the following restrictions:
12 //
13 // 1. The origin of this software must not be misrepresented;
14 // you must not claim that you wrote the original software.
15 // If you use this software in a product, an acknowledgment
16 // in the product documentation would be appreciated but is not required.
17 //
18 // 2. Altered source versions must be plainly marked as such,
19 // and must not be misrepresented as being the original software.
20 //
21 // 3. This notice may not be removed or altered from any source distribution.
22 //
23 ////////////////////////////////////////////////////////////
24
25 ////////////////////////////////////////////////////////////
26 // Headers
27 ////////////////////////////////////////////////////////////
28 #include <SFML/Audio/SoundSource.hpp>
29 #include <SFML/Audio/ALCheck.hpp>
30
31
32 namespace sf
33 {
34 ////////////////////////////////////////////////////////////
SoundSource()35 SoundSource::SoundSource()
36 {
37 alCheck(alGenSources(1, &m_source));
38 alCheck(alSourcei(m_source, AL_BUFFER, 0));
39 }
40
41
42 ////////////////////////////////////////////////////////////
SoundSource(const SoundSource & copy)43 SoundSource::SoundSource(const SoundSource& copy)
44 {
45 alCheck(alGenSources(1, &m_source));
46 alCheck(alSourcei(m_source, AL_BUFFER, 0));
47
48 setPitch(copy.getPitch());
49 setVolume(copy.getVolume());
50 setPosition(copy.getPosition());
51 setRelativeToListener(copy.isRelativeToListener());
52 setMinDistance(copy.getMinDistance());
53 setAttenuation(copy.getAttenuation());
54 }
55
56
57 ////////////////////////////////////////////////////////////
~SoundSource()58 SoundSource::~SoundSource()
59 {
60 alCheck(alSourcei(m_source, AL_BUFFER, 0));
61 alCheck(alDeleteSources(1, &m_source));
62 }
63
64
65 ////////////////////////////////////////////////////////////
setPitch(float pitch)66 void SoundSource::setPitch(float pitch)
67 {
68 alCheck(alSourcef(m_source, AL_PITCH, pitch));
69 }
70
71
72 ////////////////////////////////////////////////////////////
setVolume(float volume)73 void SoundSource::setVolume(float volume)
74 {
75 alCheck(alSourcef(m_source, AL_GAIN, volume * 0.01f));
76 }
77
78
79 ////////////////////////////////////////////////////////////
setPosition(float x,float y,float z)80 void SoundSource::setPosition(float x, float y, float z)
81 {
82 alCheck(alSource3f(m_source, AL_POSITION, x, y, z));
83 }
84
85
86 ////////////////////////////////////////////////////////////
setPosition(const Vector3f & position)87 void SoundSource::setPosition(const Vector3f& position)
88 {
89 setPosition(position.x, position.y, position.z);
90 }
91
92
93 ////////////////////////////////////////////////////////////
setRelativeToListener(bool relative)94 void SoundSource::setRelativeToListener(bool relative)
95 {
96 alCheck(alSourcei(m_source, AL_SOURCE_RELATIVE, relative));
97 }
98
99
100 ////////////////////////////////////////////////////////////
setMinDistance(float distance)101 void SoundSource::setMinDistance(float distance)
102 {
103 alCheck(alSourcef(m_source, AL_REFERENCE_DISTANCE, distance));
104 }
105
106
107 ////////////////////////////////////////////////////////////
setAttenuation(float attenuation)108 void SoundSource::setAttenuation(float attenuation)
109 {
110 alCheck(alSourcef(m_source, AL_ROLLOFF_FACTOR, attenuation));
111 }
112
113
114 ////////////////////////////////////////////////////////////
getPitch() const115 float SoundSource::getPitch() const
116 {
117 ALfloat pitch;
118 alCheck(alGetSourcef(m_source, AL_PITCH, &pitch));
119
120 return pitch;
121 }
122
123
124 ////////////////////////////////////////////////////////////
getVolume() const125 float SoundSource::getVolume() const
126 {
127 ALfloat gain;
128 alCheck(alGetSourcef(m_source, AL_GAIN, &gain));
129
130 return gain * 100.f;
131 }
132
133
134 ////////////////////////////////////////////////////////////
getPosition() const135 Vector3f SoundSource::getPosition() const
136 {
137 Vector3f position;
138 alCheck(alGetSource3f(m_source, AL_POSITION, &position.x, &position.y, &position.z));
139
140 return position;
141 }
142
143
144 ////////////////////////////////////////////////////////////
isRelativeToListener() const145 bool SoundSource::isRelativeToListener() const
146 {
147 ALint relative;
148 alCheck(alGetSourcei(m_source, AL_SOURCE_RELATIVE, &relative));
149
150 return relative != 0;
151 }
152
153
154 ////////////////////////////////////////////////////////////
getMinDistance() const155 float SoundSource::getMinDistance() const
156 {
157 ALfloat distance;
158 alCheck(alGetSourcef(m_source, AL_REFERENCE_DISTANCE, &distance));
159
160 return distance;
161 }
162
163
164 ////////////////////////////////////////////////////////////
getAttenuation() const165 float SoundSource::getAttenuation() const
166 {
167 ALfloat attenuation;
168 alCheck(alGetSourcef(m_source, AL_ROLLOFF_FACTOR, &attenuation));
169
170 return attenuation;
171 }
172
173
174 ////////////////////////////////////////////////////////////
operator =(const SoundSource & right)175 SoundSource& SoundSource::operator =(const SoundSource& right)
176 {
177 // Leave m_source untouched -- it's not necessary to destroy and
178 // recreate the OpenAL sound source, hence no copy-and-swap idiom
179
180 // Assign the sound attributes
181 setPitch(right.getPitch());
182 setVolume(right.getVolume());
183 setPosition(right.getPosition());
184 setRelativeToListener(right.isRelativeToListener());
185 setMinDistance(right.getMinDistance());
186 setAttenuation(right.getAttenuation());
187
188 return *this;
189 }
190
191
192 ////////////////////////////////////////////////////////////
getStatus() const193 SoundSource::Status SoundSource::getStatus() const
194 {
195 ALint status;
196 alCheck(alGetSourcei(m_source, AL_SOURCE_STATE, &status));
197
198 switch (status)
199 {
200 case AL_INITIAL:
201 case AL_STOPPED: return Stopped;
202 case AL_PAUSED: return Paused;
203 case AL_PLAYING: return Playing;
204 }
205
206 return Stopped;
207 }
208
209 } // namespace sf
210