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feat: first draft of "EnvelopExp" unit (in ASM)

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This commit is contained in:
qm210
2024-10-21 22:45:46 +02:00
parent da83478733
commit f4742cb02d
6 changed files with 220 additions and 25 deletions
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17
patch.go
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@ -157,6 +157,15 @@ var UnitTypes = map[string]([]UnitParameter){
{Name: "sustain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return engineeringTime(math.Pow(2, 24*float64(v)/128) / 44100) }},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
"envelopexp": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "attack", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return engineeringTime(math.Pow(2, 24*float64(v)/128) / 44100) }},
{Name: "exp_attack", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: envelopExpDisplayFunc},
{Name: "decay", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return engineeringTime(math.Pow(2, 24*float64(v)/128) / 44100) }},
{Name: "exp_decay", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: envelopExpDisplayFunc},
{Name: "sustain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
{Name: "release", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true, DisplayFunc: func(v int) (string, string) { return engineeringTime(math.Pow(2, 24*float64(v)/128) / 44100) }},
{Name: "gain", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true}},
"noise": []UnitParameter{
{Name: "stereo", MinValue: 0, MaxValue: 1, CanSet: true, CanModulate: false},
{Name: "shape", MinValue: 0, MaxValue: 128, CanSet: true, CanModulate: true},
@ -317,7 +326,7 @@ func (u *Unit) StackChange() int {
switch u.Type {
case "addp", "mulp", "pop", "out", "outaux", "aux":
return -1 - u.Parameters["stereo"]
case "envelope", "oscillator", "push", "noise", "receive", "loadnote", "loadval", "in", "compressor":
case "envelope", "envelopexp", "oscillator", "push", "noise", "receive", "loadnote", "loadval", "in", "compressor":
return 1 + u.Parameters["stereo"]
case "pan":
return 1 - u.Parameters["stereo"]
@ -337,7 +346,7 @@ func (u *Unit) StackNeed() int {
return 0
}
switch u.Type {
case "", "envelope", "oscillator", "noise", "receive", "loadnote", "loadval", "in":
case "", "envelope", "envelopexp", "oscillator", "noise", "receive", "loadnote", "loadval", "in":
return 0
case "mulp", "mul", "add", "addp", "xch":
return 2 * (1 + u.Parameters["stereo"])
@ -460,3 +469,7 @@ func (p Patch) FindUnit(id int) (instrIndex int, unitIndex int, err error) {
}
return 0, 0, fmt.Errorf("could not find a unit with id %v", id)
}
func envelopExpDisplayFunc(v int) (string, string) {
return fmt.Sprintf("= %.3f", math.Pow(2, float64(v-64)/32)), ""
}