import java.nio.file.Path
import kotlin.io.path.createDirectories

// Run beneath the live study box. The scene remains editable after recording.
val study = lab
check(study.availability.ready) { study.availability.reason }
check(!study.recording) { "A recording is already running" }
val folder = Path.of("build/opendlssnr-study/clip").toAbsolutePath().also { it.createDirectories() }
val controls = study.controls.copy()
val grade = study.grade.toString()
val previousTime = study.time
val previousAnimate = study.animate
study.recording = true
study.animate = false
frames {
    try {
        for (i in 0 until 180) {
            check(study.controls == controls && study.grade.toString() == grade) {
                "Controls changed during capture; record again"
            }
            study.time = i / 30f
            val saved = study.saveFrame(folder.resolve("frame-%03d.png".format(i)))
            while (!saved.isDone) frame()
            saved.join()
            if (i % 30 == 0) println("Recorded $i / 180")
        }
        println("NR STUDY RECORD DONE: 180 frames at 30 fps, 2304 × 832; $folder")
    } finally {
        study.time = previousTime
        study.animate = previousAnimate
        study.recording = false
    }
}