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automation.go
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automation.go
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package definitions
import (
"fmt"
. "github.com/bspaans/bleep/sequencer/automations"
)
type AutomationDef struct {
BackAndForth *[]int `json:"back_and_forth,omitempty" yaml:"back_and_forth,omitempty"`
Cycle *[]int `json:"cycle,omitempty" yaml:"cycle,omitempty"`
Range *RangeDef `json:"range,omitempty" yaml:"range,omitempty"`
Sweep *RangeDef `json:"sweep,omitempty" yaml:"sweep,omitempty"`
FadeIn *RangeDef `json:"fade_in,omitempty" yaml:"fade_in,omitempty"`
Random *RandomDef `json:"random,omitempty" yaml:"random,omitempty"`
Register *int `json:"register,omitempty" yaml:"register,omitempty"`
Transpose *IntTransposeDef `json:"transpose,omitempty" yaml:"transpose,omitempty"`
IntConstant *IntConstantDef `json:"int_constant,omitempty" yaml:"int_constant,omitempty"`
NoteConstant *IntConstantDef `json:"note_constant,omitempty" yaml:"note_constant,omitempty"`
}
func (a *AutomationDef) GetAutomation() (IntAutomation, error) {
if a.BackAndForth != nil {
return IntBackAndForthAutomation(*a.BackAndForth), nil
} else if a.Cycle != nil {
return IntCycleAutomation(*a.Cycle), nil
} else if a.Range != nil {
return IntRangeAutomation(a.Range.From, a.Range.To, a.Range.Step), nil
} else if a.Sweep != nil {
return IntSweepAutomation(a.Sweep.From, a.Sweep.To, a.Sweep.ChangeEvery, a.Sweep.Step), nil
} else if a.FadeIn != nil {
return IntFadeInAutomation(a.FadeIn.From, a.FadeIn.To, a.FadeIn.ChangeEvery), nil
} else if a.Register != nil {
return IntRegisterAutomation(*a.Register), nil
} else if a.Random != nil {
return IntRandomAutomation(a.Random.Min, a.Random.Max), nil
} else if a.IntConstant != nil {
return IntIdAutomation(a.IntConstant.Value), nil
} else if a.NoteConstant != nil {
return IntIdAutomation(a.NoteConstant.Value), nil
} else if a.Transpose != nil {
automation, err := a.Transpose.AutomationDef.GetAutomation()
if err != nil {
return nil, err
}
return IntTransposeAutomation(a.Transpose.Transpose, automation), nil
}
return nil, fmt.Errorf("Missing automation")
}
type RandomDef struct {
Max int `json:"min" yaml:"min"`
Min int `json:"max" yaml:"max"`
}
type RangeDef struct {
From int `json:"from" yaml:"from"`
To int `json:"to" yaml:"to"`
Step int `json:"step" yaml:"step"`
ChangeEvery int `json:"change_every" yaml:"change_every"`
}
type IntTransposeDef struct {
Transpose int `json:"value" yaml:"value"`
AutomationDef `json:",inline" yaml:",inline"`
}
type IntConstantDef struct {
Value int `json:"value" yaml:"value"`
}