Documentation for module: Audio

Former-commit-id: 4546f9db5579c219d708f87b7062104d24ec6da2
This commit is contained in:
Gawaboumga
2016-05-30 13:36:52 +02:00
parent 3e4051d82c
commit 406bebe717
23 changed files with 1110 additions and 56 deletions

View File

@@ -16,6 +16,21 @@
namespace Nz
{
/*!
* \ingroup audio
* \class Nz::Audio
* \brief Audio class that represents the module initializer of Audio
*/
/*!
* \brief Gets the format of the audio
* \return AudioFormat Enumeration type for the format
*
* \param channelCount Number of channels
*
* \remark Produces a NazaraError if the number of channels is erroneous (3 or 5) and AudioFormat_Unknown is returned
*/
AudioFormat Audio::GetAudioFormat(unsigned int channelCount)
{
switch (channelCount)
@@ -34,19 +49,36 @@ namespace Nz
}
}
/*!
* \brief Gets the factor of the doppler effect
* \return Global factor of the doppler effect
*/
float Audio::GetDopplerFactor()
{
return alGetFloat(AL_DOPPLER_FACTOR);
}
/*!
* \brief Gets the global volume
* \return Float between [0, inf) with 100.f being the default
*/
float Audio::GetGlobalVolume()
{
ALfloat gain = 0.f;
alGetListenerf(AL_GAIN, &gain);
return gain*100.f;
return gain * 100.f;
}
/*!
* \brief Gets the direction of the listener
* \return Direction of the listener, in front of the listener
*
* \see GetListenerRotation
*/
Vector3f Audio::GetListenerDirection()
{
ALfloat orientation[6];
@@ -55,6 +87,13 @@ namespace Nz
return Vector3f(orientation[0], orientation[1], orientation[2]);
}
/*!
* \brief Gets the position of the listener
* \return Position of the listener
*
* \see GetListenerVelocity
*/
Vector3f Audio::GetListenerPosition()
{
Vector3f position;
@@ -63,6 +102,11 @@ namespace Nz
return position;
}
/*!
* \brief Gets the rotation of the listener
* \return Rotation of the listener
*/
Quaternionf Audio::GetListenerRotation()
{
ALfloat orientation[6];
@@ -73,6 +117,13 @@ namespace Nz
return Quaternionf::RotationBetween(Vector3f::Forward(), forward);
}
/*!
* \brief Gets the velocity of the listener
* \return Velocity of the listener
*
* \see GetListenerPosition
*/
Vector3f Audio::GetListenerVelocity()
{
Vector3f velocity;
@@ -81,20 +132,33 @@ namespace Nz
return velocity;
}
/*!
* \brief Gets the speed of sound
* \return Speed of sound
*/
float Audio::GetSpeedOfSound()
{
return alGetFloat(AL_SPEED_OF_SOUND);
}
/*!
* \brief Initializes the Audio module
* \return true if initialization is successful
*
* \remark Produces a NazaraError if initialization of modules Core, OpenAL or SoundBuffer failed
* \remark Produces a NazaraNotice
*/
bool Audio::Initialize()
{
if (s_moduleReferenceCounter > 0)
if (IsInitialized())
{
s_moduleReferenceCounter++;
return true; // Déjà initiali
return true; // Already initialized
}
// Initialisation des dépendances
// Initialisation of dependencies
if (!Core::Initialize())
{
NazaraError("Failed to initialize core module");
@@ -103,10 +167,10 @@ namespace Nz
s_moduleReferenceCounter++;
// Initialisation du module
// Initialisation of the module
CallOnExit onExit(Audio::Uninitialize);
// Initialisation d'OpenAL
// Initialisation of OpenAL
if (!OpenAL::Initialize())
{
NazaraError("Failed to initialize OpenAL");
@@ -119,7 +183,7 @@ namespace Nz
return false;
}
// Définition de l'orientation par défaut
// Definition of the orientation by default
SetListenerDirection(Vector3f::Forward());
// Loaders
@@ -131,6 +195,13 @@ namespace Nz
return true;
}
/*!
* \brief Checks whether the format is supported by the engine
* \return true if it is the case
*
* \param format Format to check
*/
bool Audio::IsFormatSupported(AudioFormat format)
{
if (format == AudioFormat_Unknown)
@@ -139,21 +210,46 @@ namespace Nz
return OpenAL::AudioFormat[format] != 0;
}
/*!
* \brief Checks whether the module is initialized
* \return true if module is initialized
*/
bool Audio::IsInitialized()
{
return s_moduleReferenceCounter != 0;
}
/*!
* \brief Sets the factor of the doppler effect
*
* \param dopplerFactor Global factor of the doppler effect
*/
void Audio::SetDopplerFactor(float dopplerFactor)
{
alDopplerFactor(dopplerFactor);
}
/*!
* \brief Sets the global volume
*
* \param volume Float between [0, inf) with 100.f being the default
*/
void Audio::SetGlobalVolume(float volume)
{
alListenerf(AL_GAIN, volume*0.01f);
alListenerf(AL_GAIN, volume * 0.01f);
}
/*!
* \brief Sets the direction of the listener
*
* \param direction Direction of the listener, in front of the listener
*
* \see SetListenerDirection, SetListenerRotation
*/
void Audio::SetListenerDirection(const Vector3f& direction)
{
Vector3f up = Vector3f::Up();
@@ -167,6 +263,14 @@ namespace Nz
alListenerfv(AL_ORIENTATION, orientation);
}
/*!
* \brief Sets the direction of the listener
*
* \param (dirX, dirY, dirZ) Direction of the listener, in front of the listener
*
* \see SetListenerDirection, SetListenerRotation
*/
void Audio::SetListenerDirection(float dirX, float dirY, float dirZ)
{
Vector3f up = Vector3f::Up();
@@ -180,16 +284,38 @@ namespace Nz
alListenerfv(AL_ORIENTATION, orientation);
}
/*!
* \brief Sets the position of the listener
*
* \param position Position of the listener
*
* \see SetListenerVelocity
*/
void Audio::SetListenerPosition(const Vector3f& position)
{
alListenerfv(AL_POSITION, position);
}
/*!
* \brief Sets the position of the listener
*
* \param (x, y, z) Position of the listener
*
* \see SetListenerVelocity
*/
void Audio::SetListenerPosition(float x, float y, float z)
{
alListener3f(AL_POSITION, x, y, z);
}
/*!
* \brief Sets the rotation of the listener
*
* \param rotation Rotation of the listener
*/
void Audio::SetListenerRotation(const Quaternionf& rotation)
{
Vector3f forward = rotation * Vector3f::Forward();
@@ -204,33 +330,61 @@ namespace Nz
alListenerfv(AL_ORIENTATION, orientation);
}
/*!
* \brief Sets the velocity of the listener
*
* \param velocity Velocity of the listener
*
* \see SetListenerPosition
*/
void Audio::SetListenerVelocity(const Vector3f& velocity)
{
alListenerfv(AL_VELOCITY, velocity);
}
/*!
* \brief Sets the velocity of the listener
*
* \param (velX, velY, velZ) Velocity of the listener
*
* \see SetListenerPosition
*/
void Audio::SetListenerVelocity(float velX, float velY, float velZ)
{
alListener3f(AL_VELOCITY, velX, velY, velZ);
}
/*!
* \brief Sets the speed of sound
*
* \param speed Speed of sound
*/
void Audio::SetSpeedOfSound(float speed)
{
alSpeedOfSound(speed);
}
/*!
* \brief Uninitializes the Audio module
*
* \remark Produces a NazaraNotice
*/
void Audio::Uninitialize()
{
if (s_moduleReferenceCounter != 1)
{
// Le module est soit encore utilisé, soit pas initiali
// The module is still in use, or can not be uninitialized
if (s_moduleReferenceCounter > 1)
s_moduleReferenceCounter--;
return;
}
// Libération du module
// Free of module
s_moduleReferenceCounter = 0;
// Loaders
@@ -241,7 +395,7 @@ namespace Nz
NazaraNotice("Uninitialized: Audio module");
// Libération des dépendances
// Free of dependencies
Core::Uninitialize();
}