public bool InitializeAlcDevice(string deviceName)
{
ReleaseResources(true);
DebugConsole.NewMessage($"Attempting to open ALC device \"{deviceName}\"");
alcDevice = IntPtr.Zero;
int alcError = Al.NoError;
for (int i = 0; i < 3; i++)
{
alcDevice = Alc.OpenDevice(deviceName);
if (alcDevice == IntPtr.Zero)
{
alcError = Alc.GetError(IntPtr.Zero);
DebugConsole.NewMessage($"ALC device initialization attempt #{i + 1} failed: device is null (error code {Alc.GetErrorString(alcError)})");
if (!string.IsNullOrEmpty(deviceName))
{
deviceName = null;
DebugConsole.NewMessage($"Switching to default device...");
}
}
else
{
alcError = Alc.GetError(alcDevice);
if (alcError != Alc.NoError)
{
DebugConsole.NewMessage($"ALC device initialization attempt #{i + 1} failed: error code {Alc.GetErrorString(alcError)}");
bool closed = Alc.CloseDevice(alcDevice);
if (!closed)
{
DebugConsole.NewMessage($"Failed to close ALC device");
}
alcDevice = IntPtr.Zero;
}
else
{
break;
}
}
}
if (alcDevice == IntPtr.Zero)
{
DebugConsole.ThrowError("ALC device creation failed too many times!");
Disabled = true;
return(false);
}
CanDetectDisconnect = Alc.IsExtensionPresent(alcDevice, "ALC_EXT_disconnect");
alcError = Alc.GetError(alcDevice);
if (alcError != Alc.NoError)
{
DebugConsole.ThrowError("Error determining if disconnect can be detected: " + alcError.ToString() + ". Disabling audio playback...");
Disabled = true;
return(false);
}
Disconnected = false;
int[] alcContextAttrs = new int[] { };
alcContext = Alc.CreateContext(alcDevice, alcContextAttrs);
if (alcContext == null)
{
DebugConsole.ThrowError("Failed to create an ALC context! (error code: " + Alc.GetError(alcDevice).ToString() + "). Disabling audio playback...");
Disabled = true;
return(false);
}
if (!Alc.MakeContextCurrent(alcContext))
{
DebugConsole.ThrowError("Failed to assign the current ALC context! (error code: " + Alc.GetError(alcDevice).ToString() + "). Disabling audio playback...");
Disabled = true;
return(false);
}
alcError = Alc.GetError(alcDevice);
if (alcError != Alc.NoError)
{
DebugConsole.ThrowError("Error after assigning ALC context: " + Alc.GetErrorString(alcError) + ". Disabling audio playback...");
Disabled = true;
return(false);
}
Al.DistanceModel(Al.LinearDistanceClamped);
int alError = Al.GetError();
if (alError != Al.NoError)
{
DebugConsole.ThrowError("Error setting distance model: " + Al.GetErrorString(alError) + ". Disabling audio playback...");
Disabled = true;
return(false);
}
sourcePools[(int)SourcePoolIndex.Default] = new SoundSourcePool(SOURCE_COUNT);
sourcePools[(int)SourcePoolIndex.Voice] = new SoundSourcePool(16);
ReloadSounds();
Disabled = false;
return(true);
}
public SoundManager()
{
loadedSounds = new List <Sound>();
streamingThread = null;
categoryModifiers = null;
int alcError = Alc.NoError;
string deviceName = Alc.GetString(IntPtr.Zero, Alc.DefaultDeviceSpecifier);
DebugConsole.NewMessage($"Attempting to open ALC device \"{deviceName}\"");
alcDevice = IntPtr.Zero;
for (int i = 0; i < 3; i++)
{
alcDevice = Alc.OpenDevice(deviceName);
if (alcDevice == IntPtr.Zero)
{
DebugConsole.NewMessage($"ALC device initialization attempt #{i + 1} failed: device is null");
}
else
{
alcError = Alc.GetError(alcDevice);
if (alcError != Alc.NoError)
{
DebugConsole.NewMessage($"ALC device initialization attempt #{i + 1} failed: error code {Alc.GetErrorString(alcError)}");
bool closed = Alc.CloseDevice(alcDevice);
if (!closed)
{
DebugConsole.NewMessage($"Failed to close ALC device");
}
alcDevice = IntPtr.Zero;
}
}
}
if (alcDevice == IntPtr.Zero)
{
DebugConsole.ThrowError("ALC device creation failed too many times!");
Disabled = true;
return;
}
int[] alcContextAttrs = new int[] { };
alcContext = Alc.CreateContext(alcDevice, alcContextAttrs);
if (alcContext == null)
{
DebugConsole.ThrowError("Failed to create an ALC context! (error code: " + Alc.GetError(alcDevice).ToString() + "). Disabling audio playback...");
Disabled = true;
return;
}
if (!Alc.MakeContextCurrent(alcContext))
{
DebugConsole.ThrowError("Failed to assign the current ALC context! (error code: " + Alc.GetError(alcDevice).ToString() + "). Disabling audio playback...");
Disabled = true;
return;
}
alcError = Alc.GetError(alcDevice);
if (alcError != Alc.NoError)
{
DebugConsole.ThrowError("Error after assigning ALC context: " + Alc.GetErrorString(alcError) + ". Disabling audio playback...");
Disabled = true;
return;
}
sourcePools = new SoundSourcePool[2];
sourcePools[(int)SourcePoolIndex.Default] = new SoundSourcePool(SOURCE_COUNT);
playingChannels[(int)SourcePoolIndex.Default] = new SoundChannel[SOURCE_COUNT];
sourcePools[(int)SourcePoolIndex.Voice] = new SoundSourcePool(16);
playingChannels[(int)SourcePoolIndex.Voice] = new SoundChannel[16];
Al.DistanceModel(Al.LinearDistanceClamped);
int alError = Al.GetError();
if (alError != Al.NoError)
{
DebugConsole.ThrowError("Error setting distance model: " + Al.GetErrorString(alError) + ". Disabling audio playback...");
Disabled = true;
return;
}
ListenerPosition = Vector3.Zero;
ListenerTargetVector = new Vector3(0.0f, 0.0f, 1.0f);
ListenerUpVector = new Vector3(0.0f, -1.0f, 0.0f);
CompressionDynamicRangeGain = 1.0f;
}