示例#1
0
        public void EnvToSecs(bool sustainIsGain)
        {
            // EG times need to be converted from timecents to seconds.
            // Pin very short EG segments.  Timecents don't get to zero, and our EG is
            // happier with zero values.
            Delay   = (Delay < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Delay));
            Attack  = (Attack < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Attack));
            Release = (Release < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Release));

            // If we have dynamic hold or decay times depending on key number we need
            // to keep the values in timecents so we can calculate it during startNote
            if (KeynumToHold == 0)
            {
                Hold = (Hold < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Hold));
            }

            if (KeynumToDecay == 0)
            {
                Decay = (Decay < -11950.0f ? 0.0f : SynthHelper.Timecents2Secs(Decay));
            }

            if (Sustain < 0.0f)
            {
                Sustain = 0.0f;
            }
            else if (sustainIsGain)
            {
                Sustain = SynthHelper.DecibelsToGain(-Sustain / 10.0f);
            }
            else
            {
                Sustain = 1.0f - (Sustain / 1000.0f);
            }
        }