public AnalyticADSREnvelope(
IAnalyticStream stream,
double timeToPeak,
double timeToSustain,
double sustainAmplitude,
double sustainDecayTime,
double releaseDecayTime)
: base(stream)
{
this.sustainAmplitude = sustainAmplitude;
sustainDecaySamples = (int)(SamplingRate * sustainDecayTime);
releaseDecaySamples = (int)(SamplingRate * releaseDecayTime);
attackUpSamples = (int)(SamplingRate * timeToPeak);
attackUpEndSample = attackUpSamples;
attackDownSamples = (int)(SamplingRate * timeToSustain);
attackDownEndSample = attackUpEndSample + attackDownSamples;
sustainEndSample = int.MaxValue;
attackUpGrowthRate = Math.Pow(1.0 / ENVELOPE_CUTOFF, 1.0 / attackUpSamples);
attackDownDecayRate = Math.Pow(sustainAmplitude, 1.0 / attackDownSamples);
sustainDecayRate = Math.Exp(-1.0 / sustainDecaySamples);
releaseDecayRate = Math.Exp(-1.0 / releaseDecaySamples);
immediateDecayRate = Math.Pow(ENVELOPE_CUTOFF, 1 / (SamplingRate * 0.01));
//Start at a small envelope for exponential growth
currentEnvelope = ENVELOPE_CUTOFF;
envelopeState = EnvelopeState.AttackUp;
}
/// <summary>
/// Start the channel.
/// </summary>
/// <param name="noteDuration">Note duration.</param>
private void Start(int noteDuration) {
State = EnvelopeState.Attack;
Velocity = -92544;
_pos = 0;
_prevLeft = _prevRight = 0;
NoteDuration = noteDuration;
}
/// <summary>
/// Calculate the coefficient of a particular segment.
/// </summary>
/// <param name="state">The envelope state.</param>
/// <param name="time">The envelope time.</param>
private void CalcCoef(EnvelopeState state, float time)
{
double numSamples = ATKSettings.SampleRate * (time * 0.001); // It would have to be casted as double anyway
switch (state)
{
case EnvelopeState.ATTACK:
this.attackCoef = Math.Exp(-Math.Log((1.0 + this.attackTCO) / this.attackTCO) / numSamples);
this.attackOffset = (1.0 + this.attackTCO) * (1.0 - this.attackCoef);
break;
case EnvelopeState.DECAY:
this.decayCoef = Math.Exp(-Math.Log((1.0 + this.attackTCO) / this.attackTCO) / numSamples);
this.decayOffset = (this.SustainLevel - this.decayTCO) * (1.0 - this.decayCoef);
break;
case EnvelopeState.RELEASE:
this.releaseCoef = Math.Exp(-Math.Log((1.0 + this.attackTCO) / this.attackTCO) / numSamples);
this.releaseOffset = -this.releaseTCO * (1.0 - this.releaseCoef);
break;
default:
Trace.TraceWarning("[ATK] Coefficient not calculated. " + state + " is not a proper envelope state.");
break;
}
}
/// <summary>
/// Step the envelope.
/// </summary>
public void StepEnvelope()
{
switch (State)
{
case EnvelopeState.Attack: {
Velocity = _attack * Velocity / 0xFF;
if (Velocity == 0)
{
State = EnvelopeState.Decay;
}
break;
}
case EnvelopeState.Decay: {
Velocity -= _decay;
if (Velocity <= _sustain)
{
State = EnvelopeState.Sustain;
Velocity = _sustain;
}
break;
}
case EnvelopeState.Release: {
Velocity -= _release;
if (Velocity < -92544)
{
Velocity = -92544;
}
break;
}
}
}
/// <summary>
/// 現在のエンベロープの状態に基づき、エンベロープ値を出力します。
/// </summary>
/// <param name="time">エンベロープの開始時間値。</param>
/// <param name="envelopes">出力が格納される実数の配列。</param>
/// <param name="offset">代入が開始される配列のインデックス。</param>
/// <param name="count">代入される実数値の数。</param>
public void Generate(int time, float[] envelopes, int count)
{
float res;
for (int i = 0; i < count; i++, time++)
{
if (this.State == EnvelopeState.Attack)
{
res = (time < this.attackTime) ? time * this.da :
(time < this.t2) ? 1.0f :
(time < this.t3) ? 1.0f - (time - this.t2) * this.dd : this.sustainLevel;
}
else if (this.State == EnvelopeState.Release)
{
if (time < this.t5)
{
res = this.sustainLevel - (time - this.releaseStartTime) * this.dr;
}
else
{
res = 0.0f;
this.state = EnvelopeState.Silence;
}
}
else
{
res = 0.0f;
}
envelopes[i] = res;
}
}
public override void Seek(int position)
{
position = GeneralMath.Clamp(position, 0, ChannelSamples);
stream.Seek(position);
this.position = position;
if (position < attackUpEndSample)
{
envelopeState = EnvelopeState.AttackUp;
currentEnvelope = ENVELOPE_CUTOFF * Math.Pow(1.0 / ENVELOPE_CUTOFF, position / (double)attackUpSamples);
}
else if (position < attackDownEndSample)
{
envelopeState = EnvelopeState.AttackDown;
currentEnvelope = Math.Pow(sustainAmplitude, (position - attackUpEndSample) / (double)attackDownSamples);
}
else if (position < sustainEndSample)
{
envelopeState = EnvelopeState.Sustain;
currentEnvelope = sustainAmplitude * Math.Pow(sustainDecayRate, (position - attackDownEndSample));
}
else
{
envelopeState = EnvelopeState.Released;
currentEnvelope = sustainAmplitude *
Math.Pow(sustainDecayRate, sustainEndSample - attackDownEndSample) *
Math.Pow(releaseDecayRate, position - sustainEndSample);
}
}
public virtual void Release()
{
if (State < EnvelopeState.Releasing)
{
State = EnvelopeState.Releasing;
}
}
public void UpdateEnvelope()
{
switch (CurrentEnvelopeState)
{
case EnvelopeState.Attack:
{
var envelopeTime = (GetCurrentMs() - EnvelopeStartTime) / (float)AttackMs;
if (envelopeTime >= 1)
{
envelopeTime = 1;
CurrentEnvelopeState = EnvelopeState.Decay;
EnvelopeStartTime = GetCurrentMs();
}
CurrentEnvelopeValue = AttackResponse.Evaluate(envelopeTime);
break;
}
case EnvelopeState.Decay:
{
var envelopeTime = (GetCurrentMs() - EnvelopeStartTime) / (float)DecayMs;
if (envelopeTime >= 1)
{
envelopeTime = 1;
CurrentEnvelopeState = EnvelopeState.Off;
EnvelopeStartTime = 0;
}
CurrentEnvelopeValue = DecayResponse.Evaluate(envelopeTime);
break;
}
}
CurveIntensity = CurrentEnvelopeValue * IntensityMultiplier;
}
public SampleSourceWithADSR(ISampleSource sampleSource, SoundVoice voice, VoiceADSREnvelope envelope)
{
this.sampleSource = sampleSource;
this.voice = voice;
envelopeState = new EnvelopeState(envelope);
tracing = sceSasCore.log.TraceEnabled;
}
public void SetEnvelopePhase7_2074ED8()
{
if (State != EnvelopeState.Zero)
{
UpdateEnvelopePlan(0, release);
State = EnvelopeState.Seven;
}
}
void Start(int noteLength)
{
State = EnvelopeState.Attack;
Velocity = -92544;
pos = 0;
prevLeft = prevRight = 0;
NoteLength = noteLength;
}
public void Stop()
{
State = EnvelopeState.Dead;
if (Owner != null)
{
Owner.Channels.Remove(this);
}
Owner = null;
}
/// <summary>
/// このインスタンスにおけるすべてのパラメータを既定値に戻します。
/// </summary>
public void Reset()
{
this.attackTime = (int)(0.05f * this.samplingFreq);
this.peakTime = (int)(0.0f * this.samplingFreq);
this.decayTime = (int)(0.0f * this.samplingFreq);
this.sustainLevel = 1.0f;
this.releaseTime = (int)(0.05f * this.samplingFreq);
this.state = EnvelopeState.Silence;
}
public Envelope(EnvelopeState <TMessage> state)
{
SubscriberKey = state.SubscriberKey;
_id = state.Id;
_retriesRemaining = state.RetriesRemaining;
_message = state.Message;
RetryPolicy = state.RetryPolicyState.GetRetryPolicy();
AcknowledgmentId = state.AcknowledgmentId;
}
public ADSREnvelope(
IBGCStream stream,
double timeToPeak,
double timeToSustain,
double timeToRelease,
double sustainAmplitude,
double sustainDecayTime,
double releaseDecayTime)
: base(stream)
{
Debug.Assert(stream.Channels == 1);
Debug.Assert(timeToPeak >= 0.0);
Debug.Assert(timeToSustain >= 0.0);
Debug.Assert(timeToRelease >= 0.0);
Debug.Assert(sustainDecayTime >= 0.0);
Debug.Assert(releaseDecayTime >= 0.0);
this.sustainAmplitude = sustainAmplitude;
sustainDecaySamples = (int)(SamplingRate * sustainDecayTime);
releaseDecaySamples = (int)(SamplingRate * releaseDecayTime);
attackUpSamples = (int)(SamplingRate * timeToPeak);
attackUpEndSample = attackUpSamples;
attackDownSamples = (int)(SamplingRate * timeToSustain);
attackDownEndSample = attackUpEndSample + attackDownSamples;
int sustainSamples = (int)(SamplingRate * timeToRelease);
sustainEndSample = attackDownEndSample + sustainSamples;
attackUpGrowthRate = Math.Pow(1.0 / ENVELOPE_CUTOFF, 1.0 / attackUpSamples);
attackDownDecayRate = Math.Pow(sustainAmplitude, 1.0 / attackDownSamples);
sustainDecayRate = Math.Exp(-1.0 / sustainDecaySamples);
releaseDecayRate = Math.Exp(-1.0 / releaseDecaySamples);
immediateDecayRate = Math.Pow(ENVELOPE_CUTOFF, 1 / (SamplingRate * 0.01));
//Start at a small envelope for exponential growth
currentEnvelope = ENVELOPE_CUTOFF;
envelopeState = EnvelopeState.AttackUp;
double releaseBeginAmplitude = sustainAmplitude * Math.Pow(sustainDecayRate, sustainSamples);
if (releaseBeginAmplitude < ENVELOPE_CUTOFF)
{
ChannelSamples = attackDownEndSample + (int)Math.Ceiling(
Math.Log(ENVELOPE_CUTOFF / sustainAmplitude) / Math.Log(sustainDecayRate));
}
else
{
ChannelSamples = sustainEndSample + (int)Math.Ceiling(
Math.Log(ENVELOPE_CUTOFF / releaseBeginAmplitude) / Math.Log(releaseDecayRate));
}
}
/// <summary>
/// エンベロープの状態をアタック状態に変更します。
/// </summary>
public void Attack()
{
this.state = EnvelopeState.Attack;
//precalc
this.t2 = this.attackTime + this.peakTime;
this.t3 = t2 + this.decayTime;
this.da = 1.0f / this.attackTime;
this.dd = (1.0f - this.sustainLevel) / this.decayTime;
}
public void StartEnvelope()
{
// Start time = current time in Ms
EnvelopeStartTime = GetCurrentMs();
// set state to attack
CurrentEnvelopeState = EnvelopeState.Attack;
Trigger = false;
}
/// <summary>
/// エンベロープの状態をアタック状態に変更します。
/// </summary>
public void Attack()
{
this.state = EnvelopeState.Attack;
//precalc
this.t2 = this.attackTime + this.peakTime;
this.t3 = t2 + this.decayTime;
this.da = 1.0f / this.attackTime;
this.dd = (1.0f - this.sustainLevel) / this.decayTime;
}
/// <summary>
/// Trigger the gate
/// </summary>
/// <param name="gate">If true, enter attack phase, if false enter release phase (unless already idle)</param>
public void Gate(bool gate)
{
if (gate)
{
state = EnvelopeState.Attack;
}
else if (state != EnvelopeState.Idle)
{
state = EnvelopeState.Release;
}
}
/// <summary>
/// Controls the activation of the envelope.
/// </summary>
/// <param name="isActive">If true, sets the envelope to attack. If false, sets the envelope to release.</param>
public void Gate(bool isActive)
{
if (isActive)
{
State = EnvelopeState.Attack;
}
else if (State != EnvelopeState.Idle)
{
State = EnvelopeState.Release;
}
}
/// <summary>
/// エンベロープの状態をリリース状態に変更します。
/// </summary>
/// <param name="time">リリースが開始された時間値。</param>
public void Release(int time)
{
if (this.state == EnvelopeState.Attack)
{
this.state = EnvelopeState.Release;
this.releaseStartTime = time;
//precalc
this.t5 = time + this.releaseTime;
this.dr = this.sustainLevel / this.releaseTime;
}
}
public void TriggerRelease(bool immediate = false)
{
if (immediate)
{
envelopeState = EnvelopeState.ImmediateRelease;
}
else
{
if (envelopeState != EnvelopeState.ImmediateRelease)
{
envelopeState = EnvelopeState.Released;
}
}
}
/// <summary>
/// Генерация нового значения огибающей.
/// </summary>
/// <returns></returns>
public double Process()
{
switch (state)
{
case EnvelopeState.Idle:
break;
case EnvelopeState.Attack:
currValue = attackBase + currValue * attackCoef;
if (currValue >= 1f)
{
currValue = 1f;
if (decayCoef != 0)
{
state = EnvelopeState.Decay;
}
else
{
state = EnvelopeState.Sustain;
}
}
break;
case EnvelopeState.Decay:
currValue = decayBase + currValue * decayCoef;
if (currValue <= sustainLevel)
{
currValue = sustainLevel;
state = EnvelopeState.Sustain;
}
break;
case EnvelopeState.Sustain:
currValue = sustainLevel;
break;
case EnvelopeState.Release:
currValue = releaseBase + currValue * releaseCoef;
if (currValue <= 0)
{
currValue = 0;
state = EnvelopeState.Idle;
OnSoundStop();
}
break;
}
return(currValue);
}
/// <summary>
/// Update is called every frame by the shake.
/// </summary>
public void Update(float deltaTime)
{
if (IsFinished)
{
return;
}
if (state == EnvelopeState.Increase)
{
if (pars.attack > 0)
{
amplitude += deltaTime * pars.attack;
}
if (amplitude > targetAmplitude || pars.attack <= 0)
{
amplitude = targetAmplitude;
state = EnvelopeState.Sustain;
if (controlMode == EnvelopeControlMode.Auto)
{
sustainEndTime = Time.time + pars.sustain;
}
}
}
else
{
if (state == EnvelopeState.Decrease)
{
if (pars.decay > 0)
{
amplitude -= deltaTime * pars.decay;
}
if (amplitude < targetAmplitude || pars.decay <= 0)
{
amplitude = targetAmplitude;
state = EnvelopeState.Sustain;
}
}
else
{
if (controlMode == EnvelopeControlMode.Auto && Time.time > sustainEndTime)
{
SetTarget(0);
}
}
}
amplitude = Mathf.Clamp01(amplitude);
Intensity = Power.Evaluate(amplitude, pars.degree);
}
/// <summary>
/// Метод, начинающий стадию атаки.
/// </summary>
public void TriggerAttack()
{
if (attackCoef != 0)
{
currValue = 0;
state = EnvelopeState.Attack;
}
else if (decayCoef != 0)
{
currValue = 1;
state = EnvelopeState.Decay;
}
else
{
state = EnvelopeState.Sustain;
}
}
public override void Release()
{
if (State < EnvelopeState.Releasing)
{
if (_adsr.R == 0)
{
_velocity = 0;
Stop();
}
else if (_velocity == 0)
{
Stop();
}
else
{
_nextState = EnvelopeState.Releasing;
}
}
}
private int StateEndSample(EnvelopeState state)
{
switch (state)
{
case EnvelopeState.AttackUp: return(attackUpEndSample);
case EnvelopeState.AttackDown: return(attackDownEndSample);
case EnvelopeState.Sustain: return(sustainEndSample);
case EnvelopeState.Released: return(int.MaxValue);
case EnvelopeState.ImmediateRelease: return(int.MaxValue);
default:
Debug.LogError($"Unexpected EnvelopeState: {state}");
goto case EnvelopeState.ImmediateRelease;
}
}
private double EnvelopeRate(EnvelopeState state)
{
switch (state)
{
case EnvelopeState.AttackUp: return(attackUpGrowthRate);
case EnvelopeState.AttackDown: return(attackDownDecayRate);
case EnvelopeState.Sustain: return(sustainDecayRate);
case EnvelopeState.Released: return(releaseDecayRate);
case EnvelopeState.ImmediateRelease: return(immediateDecayRate);
default:
Debug.LogError($"Unexpected EnvelopeState: {state}");
goto case EnvelopeState.ImmediateRelease;
}
}
private void DetermineEnvelopeStartingPoint()
{
State = EnvelopeState.Two; // This isn't actually placed in this func
bool atLeastOneThingIsValid = CMDB1___sub_2074CA0(); // Neither is this
if (atLeastOneThingIsValid)
{
if (attack != 0)
{
velocity = attackVolume << 23;
State = EnvelopeState.Hold;
UpdateEnvelopePlan(0x7F, attack);
}
else
{
velocity = 0x7F << 23;
if (hold != 0)
{
UpdateEnvelopePlan(0x7F, hold);
State = EnvelopeState.Decay;
}
else if (decay != 0)
{
UpdateEnvelopePlan(sustain, decay);
State = EnvelopeState.Decay2;
}
else
{
UpdateEnvelopePlan(0, release);
State = EnvelopeState.Six;
}
}
// Unk1E = 1
}
else if (State != EnvelopeState.One) // What should it be?
{
State = EnvelopeState.Zero;
velocity = 0x7F << 23;
}
}
/// <summary>
/// Read the next volume multiplier from the envelope generator
/// </summary>
/// <returns>A volume multiplier</returns>
public float Process()
{
switch (state)
{
case EnvelopeState.Idle:
break;
case EnvelopeState.Attack:
output = attackBase + output * attackCoef;
if (output >= 1.0f)
{
output = 1.0f;
state = EnvelopeState.Decay;
}
break;
case EnvelopeState.Decay:
output = decayBase + output * decayCoef;
if (output <= sustainLevel)
{
output = sustainLevel;
state = EnvelopeState.Sustain;
}
break;
case EnvelopeState.Sustain:
break;
case EnvelopeState.Release:
output = releaseBase + output * releaseCoef;
if (output <= 0.0)
{
output = 0.0f;
state = EnvelopeState.Idle;
}
break;
}
return(output);
}
// Returns whether the note is active or not
public virtual bool TickNote()
{
if (State < EnvelopeState.Releasing)
{
if (Note.Duration > 0)
{
Note.Duration--;
if (Note.Duration == 0)
{
State = EnvelopeState.Releasing;
return(false);
}
return(true);
}
else
{
return(true);
}
}
else
{
return(false);
}
}
/// <summary>
/// エンベロープの状態をリリース状態に変更します。
/// </summary>
/// <param name="time">リリースが開始された時間値。</param>
public void Release(int time)
{
if (this.state == EnvelopeState.Attack)
{
this.state = EnvelopeState.Release;
this.releaseStartTime = time;
//precalc
this.t5 = time + this.releaseTime;
this.dr = this.sustainLevel / this.releaseTime;
}
}
public override void Reset () {
base.Reset();
State = EnvelopeState.Off;
}
/// <summary>
/// エンベロープの状態をサイレンス状態に変更します。
/// </summary>
public void Silence()
{
this.state = EnvelopeState.Silence;
}
public override float Next () {
switch (state) {
case EnvelopeState.Off:
break;
case EnvelopeState.Attack:
phase += AudioProperties.Interval * attack;
output = Mathf.Lerp(0.0f, 1.0f, phase);
if (phase >= 1.0f) {
State = EnvelopeState.Decay;
}
break;
case EnvelopeState.Decay:
phase += AudioProperties.Interval * decay;
output = Mathf.Lerp(1.0f, sustain, phase);
if (phase >= 1.0f) {
State = EnvelopeState.Sustain;
}
break;
case EnvelopeState.Sustain:
output = sustain;
break;
case EnvelopeState.Release:
phase += AudioProperties.Interval * release;
output = Mathf.Lerp(releaseOutput, 0.0f, phase);
if (phase >= 1.0) {
State = EnvelopeState.Off;
}
break;
}
return output;
}
/// <summary>
/// Trigger the gate
/// </summary>
/// <param name="gate">If true, enter attack phase, if false enter release phase (unless already idle)</param>
public void Gate(bool gate)
{
if (gate)
state = EnvelopeState.Attack;
else if (state != EnvelopeState.Idle)
state = EnvelopeState.Release;
}
/// <summary>
/// Read the next volume multiplier from the envelope generator
/// </summary>
/// <returns>A volume multiplier</returns>
public float Process()
{
switch (state)
{
case EnvelopeState.Idle:
break;
case EnvelopeState.Attack:
output = attackBase + output * attackCoef;
if (output >= 1.0f)
{
output = 1.0f;
state = EnvelopeState.Decay;
}
break;
case EnvelopeState.Decay:
output = decayBase + output * decayCoef;
if (output <= sustainLevel)
{
output = sustainLevel;
state = EnvelopeState.Sustain;
}
break;
case EnvelopeState.Sustain:
break;
case EnvelopeState.Release:
output = releaseBase + output * releaseCoef;
if (output <= 0.0)
{
output = 0.0f;
state = EnvelopeState.Idle;
}
break;
}
return output;
}
/// <summary>
/// 現在のエンベロープの状態に基づき、エンベロープ値を出力します。
/// </summary>
/// <param name="time">エンベロープの開始時間値。</param>
/// <param name="envelopes">出力が格納される実数の配列。</param>
/// <param name="offset">代入が開始される配列のインデックス。</param>
/// <param name="count">代入される実数値の数。</param>
public void Generate(int time, float[] envelopes, int count)
{
float res;
for (int i = 0; i < count; i++, time++)
{
if (this.State == EnvelopeState.Attack)
res = (time < this.attackTime) ? time * this.da :
(time < this.t2) ? 1.0f :
(time < this.t3) ? 1.0f - (time - this.t2) * this.dd : this.sustainLevel;
else if (this.State == EnvelopeState.Release)
if (time < this.t5)
res = this.sustainLevel - (time - this.releaseStartTime) * this.dr;
else
{
res = 0.0f;
this.state = EnvelopeState.Silence;
}
else
res = 0.0f;
envelopes[i] = res;
}
}
/// <summary>
/// このインスタンスにおけるすべてのパラメータを既定値に戻します。
/// </summary>
public void Reset()
{
this.attackTime = (int)(0.05f * this.samplingFreq);
this.peakTime = (int)(0.0f * this.samplingFreq);
this.decayTime = (int)(0.0f * this.samplingFreq);
this.sustainLevel = 1.0f;
this.releaseTime = (int)(0.05f * this.samplingFreq);
this.state = EnvelopeState.Silence;
}
/// <summary>
/// Reset to idle state
/// </summary>
public void Reset()
{
state = EnvelopeState.Idle;
output = 0.0f;
}
public void Start () {
State = EnvelopeState.Attack;
}
public void Stop () {
if (State != EnvelopeState.Off) {
State = EnvelopeState.Release;
}
}
