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dmx_tester.go
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/
dmx_tester.go
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package eltee
import (
"github.com/eyethereal/go-config"
)
type DmxScene struct {
data []byte
start_channel int
}
func NewDmxScene(node *config.AclNode) *DmxScene {
scene := &DmxScene{}
list := node.ChildAsIntList("data")
scene.data = make([]byte, len(list))
for i := 0; i < len(list); i++ {
scene.data[i] = byte(list[i])
}
scene.start_channel = node.ChildAsInt("start_channel")
return scene
}
type DmxTester struct {
scenes map[string]*DmxScene
toRun string
}
func NewDmxTester(node *config.AclNode) *DmxTester {
tester := &DmxTester{
scenes: make(map[string]*DmxScene),
}
scNode := node.Child("scenes")
scNode.ForEachOrderedChild(func(name string, n *config.AclNode) {
scene := NewDmxScene(n)
tester.scenes[name] = scene
})
tester.toRun = node.ChildAsString("run")
return tester
}
func (tester *DmxTester) HasTest() bool {
if tester.toRun == "" {
return false
}
return tester.scenes[tester.toRun] != nil
}
func (tester *DmxTester) UpdateFrame(frame []byte) {
scene := tester.scenes[tester.toRun]
if scene == nil {
return
}
chIx := scene.start_channel
if chIx > 0 {
// Adjust to 0 offset
chIx--
}
for i := 0; i < len(scene.data); i++ {
frame[chIx] = scene.data[i]
chIx++
}
}