/// <summary>
/// Get low beta data by channel.
/// </summary>
public double GetLowBetaData(Channel_t channel)
{
if (_bandpowerBuff == null)
{
return(0);
}
else
{
return(_bandpowerBuff.BetalLPower(channel));
}
}
public int GetChanIndex(Channel_t chan)
{
int chanIndex = _devChannels.IndexOf(chan);
if (chanIndex == -1)
{
return(-1); // TODO: return error
}
// UnityEngine.Debug.Log("GetChanIndex" + chanIndex);
return((int)chanIndex);
}
public static string ChannelToString(Channel_t chan)
{
foreach (KeyValuePair <Channel_t, string> kvp in list)
{
if (kvp.Key == chan)
{
return(kvp.Value);
}
}
return("CHAN_UNKNOWN");
}
//=== Motion data ===
/// <summary>
/// Get motion data by channel.
/// </summary>
public double[] GetMotionData(Channel_t chan)
{
if (_motionBuff == null)
{
return(null);
}
else
{
return(_motionBuff.GetData(chan));
}
}
/// <summary>
/// Get alpha data by channel.
/// </summary>
public double GetAlphaData(Channel_t channel)
{
if (_bandpowerBuff == null)
{
return(0);
}
else
{
return(_bandpowerBuff.AlphaPower(channel));
}
}
/// <summary>
/// Get EEG data by channel.
/// </summary>
public double[] GetEEGData(Channel_t chan)
{
if (_eegBuff == null)
{
return(null);
}
else
{
return(_eegBuff.GetData(chan));
}
}
// S_Init (void)
public void Initialise( )
{
Host.Cvars.BgmVolume = Host.CVars.Add("bgmvolume", 1f, ClientVariableFlags.Archive); // = { "bgmvolume", "1", true };
Host.Cvars.Volume = Host.CVars.Add("volume", 0.7f, ClientVariableFlags.Archive); // = { "volume", "0.7", true };
Host.Cvars.NoSound = Host.CVars.Add("nosound", false); // = { "nosound", "0" };
Host.Cvars.Precache = Host.CVars.Add("precache", true); // = { "precache", "1" };
Host.Cvars.LoadAs8bit = Host.CVars.Add("loadas8bit", false); // = { "loadas8bit", "0" };
Host.Cvars.BgmBuffer = Host.CVars.Add("bgmbuffer", 4096f); // = { "bgmbuffer", "4096" };
Host.Cvars.AmbientLevel = Host.CVars.Add("ambient_level", 0.3f); // = { "ambient_level", "0.3" };
Host.Cvars.AmbientFade = Host.CVars.Add("ambient_fade", 100f); // = { "ambient_fade", "100" };
Host.Cvars.NoExtraUpdate = Host.CVars.Add("snd_noextraupdate", false); // = { "snd_noextraupdate", "0" };
Host.Cvars.Show = Host.CVars.Add("snd_show", false); // = { "snd_show", "0" };
Host.Cvars.MixAhead = Host.CVars.Add("_snd_mixahead", 0.1f, ClientVariableFlags.Archive); // = { "_snd_mixahead", "0.1", true };
Host.Console.Print("\nSound Initialization\n");
if (CommandLine.HasParam("-nosound"))
{
return;
}
for (var i = 0; i < _Channels.Length; i++)
{
_Channels[i] = new Channel_t( );
}
Host.Commands.Add("play", Play);
Host.Commands.Add("playvol", PlayVol);
Host.Commands.Add("stopsound", StopAllSoundsCmd);
Host.Commands.Add("soundlist", SoundList);
Host.Commands.Add("soundinfo", SoundInfo_f);
_IsInitialized = true;
Startup( );
InitScaletable( );
_NumSfx = 0;
Host.Console.Print("Sound sampling rate: {0}\n", _shm.speed);
// provides a tick sound until washed clean
_AmbientSfx[AmbientDef.AMBIENT_WATER] = PrecacheSound("ambience/water1.wav");
_AmbientSfx[AmbientDef.AMBIENT_SKY] = PrecacheSound("ambience/wind2.wav");
StopAllSounds(true);
}
/// <summary>
/// Get contact quality by channel.
/// </summary>
public double GetContactQuality(Channel_t channel)
{
if (_devBuff == null)
{
return(0);
}
else
{
double result = _devBuff.GetContactQuality(channel);
if (result < 0)
{
result = 0;
}
return(result);
}
}
// SND_Spatialize
private void Spatialize(Channel_t ch)
{
// anything coming from the view entity will allways be full volume
if (ch.entnum == Host.Client.cl.viewentity)
{
ch.leftvol = ch.master_vol;
ch.rightvol = ch.master_vol;
return;
}
// calculate stereo seperation and distance attenuation
var snd = ch.sfx;
var source_vec = ch.origin - _ListenerOrigin;
var dist = MathLib.Normalize(ref source_vec) * ch.dist_mult;
var dot = Vector3.Dot(_ListenerRight, source_vec);
Single rscale, lscale;
if (_shm.channels == 1)
{
rscale = 1.0f;
lscale = 1.0f;
}
else
{
rscale = 1.0f + dot;
lscale = 1.0f - dot;
}
// add in distance effect
var scale = (1.0f - dist) * rscale;
ch.rightvol = ( Int32 )(ch.master_vol * scale);
if (ch.rightvol < 0)
{
ch.rightvol = 0;
}
scale = (1.0f - dist) * lscale;
ch.leftvol = ( Int32 )(ch.master_vol * scale);
if (ch.leftvol < 0)
{
ch.leftvol = 0;
}
}
// return -1 if the moment there is no battery come.
public double GetContactQuality(Channel_t channel)
{
if (channel == Channel_t.CHAN_FLEX_CMS || channel == Channel_t.CHAN_FLEX_DRL)
{
return(0);
}
double[] chanData;
chanData = GetLatestDataFromBuffer(GetChanIndex(channel));
if (chanData != null)
{
return(chanData[0]);
}
else
{
return(-1);
}
}
// SND_PaintChannelFrom16
private void PaintChannelFrom16(Channel_t ch, SoundEffectCache_t sc, int count)
{
var leftvol = ch.leftvol;
var rightvol = ch.rightvol;
var sfx = sc.data;
var offset = ch.pos * 2; // sfx = (signed short *)sc->data + ch->pos;
for (var i = 0; i < count; i++)
{
int data = ( short )(( ushort )sfx[offset] + (( ushort )sfx[offset + 1] << 8)); // Uze: check is this is right!!!
var left = (data * leftvol) >> 8;
var right = (data * rightvol) >> 8;
this._PaintBuffer[i].left += left;
this._PaintBuffer[i].right += right;
offset += 2;
}
ch.pos += count;
}
// SND_PaintChannelFrom8
private void PaintChannelFrom8(Channel_t ch, SoundEffectCache_t sc, int count)
{
if (ch.leftvol > 255)
{
ch.leftvol = 255;
}
if (ch.rightvol > 255)
{
ch.rightvol = 255;
}
var lscale = ch.leftvol >> 3;
var rscale = ch.rightvol >> 3;
var sfx = sc.data;
var offset = ch.pos;
for (var i = 0; i < count; i++)
{
int data = sfx[offset + i];
this._PaintBuffer[i].left += this._ScaleTable[lscale, data];
this._PaintBuffer[i].right += this._ScaleTable[rscale, data];
}
ch.pos += count;
}
// void S_Update (vec3_t origin, vec3_t v_forward, vec3_t v_right, vec3_t v_up)
//
// Called once each time through the main loop
public void Update(ref Vector3 origin, ref Vector3 forward, ref Vector3 right, ref Vector3 up)
{
if (!_IsInitialized || (_SoundBlocked > 0))
{
return;
}
_ListenerOrigin = origin;
_ListenerForward = forward;
_ListenerRight = right;
_ListenerUp = up;
// update general area ambient sound sources
UpdateAmbientSounds( );
Channel_t combine = null;
// update spatialization for and dynamic sounds
//channel_t ch = channels + NUM_AMBIENTS;
for (var i = AmbientDef.NUM_AMBIENTS; i < _TotalChannels; i++)
{
var ch = _Channels[i];// channels + NUM_AMBIENTS;
if (ch.sfx == null)
{
continue;
}
Spatialize(ch); // respatialize channel
if (ch.leftvol == 0 && ch.rightvol == 0)
{
continue;
}
// try to combine static sounds with a previous channel of the same
// sound effect so we don't mix five torches every frame
if (i >= MAX_DYNAMIC_CHANNELS + AmbientDef.NUM_AMBIENTS)
{
// see if it can just use the last one
if (combine != null && combine.sfx == ch.sfx)
{
combine.leftvol += ch.leftvol;
combine.rightvol += ch.rightvol;
ch.leftvol = ch.rightvol = 0;
continue;
}
// search for one
combine = _Channels[MAX_DYNAMIC_CHANNELS + AmbientDef.NUM_AMBIENTS];// channels + MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;
Int32 j;
for (j = MAX_DYNAMIC_CHANNELS + AmbientDef.NUM_AMBIENTS; j < i; j++)
{
combine = _Channels[j];
if (combine.sfx == ch.sfx)
{
break;
}
}
if (j == _TotalChannels)
{
combine = null;
}
else
{
if (combine != ch)
{
combine.leftvol += ch.leftvol;
combine.rightvol += ch.rightvol;
ch.leftvol = ch.rightvol = 0;
}
continue;
}
}
}
//
// debugging output
//
if (Host.Cvars.Show.Get <Boolean>( ))
{
var total = 0;
for (var i = 0; i < _TotalChannels; i++)
{
var ch = _Channels[i];
if (ch.sfx != null && (ch.leftvol > 0 || ch.rightvol > 0))
{
total++;
}
}
Host.Console.Print("----({0})----\n", total);
}
// mix some sound
Update( );
}
