public AudioSystem(Game game) : base(game)
{
_device = ALC10.alcOpenDevice("");
alcCheckError();
_context = ALC10.alcCreateContext(_device, null);
alcCheckError();
ALC10.alcMakeContextCurrent(_context);
alcCheckError();
_sources = new List <AudioSource>();
_files = new Dictionary <string, AudioBuffer>();
switch (game.ContentManager.SageGame)
{
case SageGame.Ra3:
case SageGame.Ra3Uprising:
case SageGame.Cnc4:
// TODO
break;
default:
game.ContentManager.IniDataContext.LoadIniFile(@"Data\INI\AudioSettings.ini");
game.ContentManager.IniDataContext.LoadIniFile(@"Data\INI\SoundEffects.ini");
game.ContentManager.IniDataContext.LoadIniFile(@"Data\INI\MiscAudio.ini");
break;
}
_settings = game.ContentManager.IniDataContext.AudioSettings;
}
public AudioDevice()
{
_device = ALC10.alcOpenDevice(null); Check();
_context = ALC10.alcCreateContext(_device, new int[0]); Check();
ALC10.alcMakeContextCurrent(_context); Check();
AL10.alGetError(); // Clear error code for subsequent callers
}
public OpenALDevice()
{
string envDevice = Environment.GetEnvironmentVariable("FNA_AUDIO_DEVICE_NAME");
if (String.IsNullOrEmpty(envDevice))
{
/* Be sure ALC won't explode if the variable doesn't exist.
* But, fail if the device name is wrong. The user needs to know
* if their environment variable was incorrect.
* -flibit
*/
envDevice = String.Empty;
}
alDevice = ALC10.alcOpenDevice(envDevice);
if (CheckALCError() || alDevice == IntPtr.Zero)
{
throw new InvalidOperationException("Could not open audio device!");
}
int[] attribute = new int[0];
alContext = ALC10.alcCreateContext(alDevice, attribute);
if (CheckALCError() || alContext == IntPtr.Zero)
{
Dispose();
throw new InvalidOperationException("Could not create OpenAL context");
}
ALC10.alcMakeContextCurrent(alContext);
if (CheckALCError())
{
Dispose();
throw new InvalidOperationException("Could not make OpenAL context current");
}
float[] ori = new float[]
{
0.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f
};
AL10.alListenerfv(AL10.AL_ORIENTATION, ori);
AL10.alListener3f(AL10.AL_POSITION, 0.0f, 0.0f, 0.0f);
AL10.alListener3f(AL10.AL_VELOCITY, 0.0f, 0.0f, 0.0f);
AL10.alListenerf(AL10.AL_GAIN, 1.0f);
EFX.alGenFilters(1, out INTERNAL_alFilter);
// FIXME: Remove for FNA 16.11! -flibit
if (!AL10.alIsExtensionPresent("AL_SOFT_gain_clamp_ex"))
{
FNALoggerEXT.LogWarn("AL_SOFT_gain_clamp_ex not found!");
FNALoggerEXT.LogWarn("Update your OpenAL Soft library!");
}
}
public AudioSystem(Game game) : base(game)
{
_device = ALC10.alcOpenDevice("");
alcCheckError();
_context = ALC10.alcCreateContext(_device, null);
alcCheckError();
ALC10.alcMakeContextCurrent(_context);
alcCheckError();
_sources = new List <AudioSource>();
_files = new Dictionary <string, AudioBuffer>();
}
/// <summary>
/// Create a context for this device.
/// </summary>
public AlContext CreateContext()
{
CheckDisposed();
var ctxHandle = ALC10.alcCreateContext(_handle, new int[0]);
if (ctxHandle == IntPtr.Zero)
{
AlHelper.AlcCheckError(_handle, "Failed to create context.");
throw new Exception("Failed to create context.");
}
var ctx = new AlContext(this, ctxHandle);
_contexts.Add(ctx);
return(ctx);
}
public OpenAlSoundEngine()
{
Console.WriteLine("Using OpenAL sound engine");
if (Game.Settings.Sound.Device != null)
{
Console.WriteLine("Using device `{0}`", Game.Settings.Sound.Device);
}
else
{
Console.WriteLine("Using default device");
}
device = ALC10.alcOpenDevice(Game.Settings.Sound.Device);
if (device == IntPtr.Zero)
{
Console.WriteLine("Failed to open device. Falling back to default");
device = ALC10.alcOpenDevice(null);
if (device == IntPtr.Zero)
{
throw new InvalidOperationException("Can't create OpenAL device");
}
}
var ctx = ALC10.alcCreateContext(device, null);
if (ctx == IntPtr.Zero)
{
throw new InvalidOperationException("Can't create OpenAL context");
}
ALC10.alcMakeContextCurrent(ctx);
for (var i = 0; i < PoolSize; i++)
{
var source = 0U;
AL10.alGenSources(new IntPtr(1), out source);
if (AL10.alGetError() != AL10.AL_NO_ERROR)
{
Log.Write("sound", "Failed generating OpenAL source {0}", i);
return;
}
sourcePool.Add(source, new PoolSlot()
{
IsActive = false
});
}
}
public OpenALDevice()
{
string envDevice = Environment.GetEnvironmentVariable("FNA_AUDIO_DEVICE_NAME");
if (String.IsNullOrEmpty(envDevice))
{
/* Be sure ALC won't explode if the variable doesn't exist.
* But, fail if the device name is wrong. The user needs to know
* if their environment variable was incorrect.
* -flibit
*/
envDevice = String.Empty;
}
alDevice = ALC10.alcOpenDevice(envDevice);
if (CheckALCError() || alDevice == IntPtr.Zero)
{
throw new InvalidOperationException("Could not open audio device!");
}
int[] attribute = new int[0];
alContext = ALC10.alcCreateContext(alDevice, attribute);
if (CheckALCError() || alContext == IntPtr.Zero)
{
Dispose();
throw new InvalidOperationException("Could not create OpenAL context");
}
ALC10.alcMakeContextCurrent(alContext);
if (CheckALCError())
{
Dispose();
throw new InvalidOperationException("Could not make OpenAL context current");
}
float[] ori = new float[]
{
0.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f
};
AL10.alListenerfv(AL10.AL_ORIENTATION, ori);
AL10.alListener3f(AL10.AL_POSITION, 0.0f, 0.0f, 0.0f);
AL10.alListener3f(AL10.AL_VELOCITY, 0.0f, 0.0f, 0.0f);
AL10.alListenerf(AL10.AL_GAIN, 1.0f);
// We do NOT use automatic attenuation! XNA does not do this!
AL10.alDistanceModel(AL10.AL_NONE);
EFX.alGenFilters(1, out INTERNAL_alFilter);
}
public static void Initialize()
{
// Populate the device lists
PlaybackDevice.PopulateDeviceList();
if (PlaybackDevice.Devices.Count == 0)
{
throw new AudioException("There are no audio playback devices available");
}
LDEBUG("Available audio playback devices:");
foreach (var dev in PlaybackDevice.Devices)
{
LDEBUG($" {dev.Identifier}");
}
// Open the default playback device
Device = ALC10.alcOpenDevice(PlaybackDevice.Devices[0].Identifier);
ALUtils.CheckALCError();
if (Device == IntPtr.Zero)
{
throw new AudioException("Unable to open default audio playback device");
}
// Create the al context and set it as active
Context = ALC10.alcCreateContext(Device, new int[2] {
0, 0
}); // Two 0s tell OpenAL no special attribs
ALUtils.CheckALCError();
if (Context == IntPtr.Zero)
{
throw new AudioException("Unable to create audio context");
}
ALC10.alcMakeContextCurrent(Context);
ALUtils.CheckALCError();
// Generate audio sources
AL10.alGenSources(MAX_SOURCE_COUNT, s_allSources);
ALUtils.CheckALError("unable to generate audio sources");
foreach (var src in s_allSources)
{
s_availableSources.Push(src);
}
// Report
LINFO("Started OpenAL audio engine.");
LINFO($" Device: {PlaybackDevice.Devices[0].Identifier}.");
}
private OpenALDevice()
{
alDevice = ALC10.alcOpenDevice(string.Empty);
if (CheckALCError("Could not open AL device") || alDevice == IntPtr.Zero)
{
throw new Exception("Could not open audio device!");
}
int[] attribute = new int[0];
alContext = ALC10.alcCreateContext(alDevice, attribute);
if (CheckALCError("Could not create OpenAL context") || alContext == IntPtr.Zero)
{
Dispose();
throw new Exception("Could not create OpenAL context");
}
ALC10.alcMakeContextCurrent(alContext);
if (CheckALCError("Could not make OpenAL context current"))
{
Dispose();
throw new Exception("Could not make OpenAL context current");
}
float[] ori = new float[]
{
0.0f, 0.0f, -1.0f, 0.0f, 1.0f, 0.0f
};
AL10.alListenerfv(AL10.AL_ORIENTATION, ori);
AL10.alListener3f(AL10.AL_POSITION, 0.0f, 0.0f, 0.0f);
AL10.alListener3f(AL10.AL_VELOCITY, 0.0f, 0.0f, 0.0f);
AL10.alListenerf(AL10.AL_GAIN, 1.0f);
// We do NOT use automatic attenuation! XNA does not do this!
AL10.alDistanceModel(AL10.AL_NONE);
instancePool = new List <SoundEffectInstance>();
dynamicInstancePool = new List <DynamicSoundEffectInstance>();
}
/// <summary>
/// Create a managed wrapper for the specified audio playback device.
/// Available devices can be queried with <see cref="GetDevices"/>.
/// </summary>
/// <param name="deviceName">Name of the device.</param>
/// <exception cref="Exception">If opening the device or creating the context fails.</exception>
private AlDevice(string deviceName)
{
Name = deviceName ?? DefaultDeviceName;
_handle = ALC10.alcOpenDevice(deviceName);
if (_handle == IntPtr.Zero)
{
throw new Exception("Failed to open device.");
}
_contexts = new List <AlContext>();
_buffers = new List <uint>();
var ctxHandle = ALC10.alcCreateContext(_handle, new int[0]);
if (ctxHandle == IntPtr.Zero)
{
ALC10.alcCloseDevice(_handle);
throw new Exception("Failed to create context.");
}
var ctx = new AlContext(this, ctxHandle);
_contexts.Add(ctx);
}
