musicplayer: march thru playlist/working track-to-track transition

This commit is contained in:
minjaesong
2023-12-24 23:13:50 +09:00
parent a19c0608f1
commit 74e7e980b7
3 changed files with 103 additions and 43 deletions

View File

@@ -8,6 +8,7 @@ import com.badlogic.gdx.graphics.glutils.FrameBuffer
import com.jme3.math.FastMath
import net.torvald.reflection.extortField
import net.torvald.terrarum.*
import net.torvald.terrarum.App.printdbg
import net.torvald.terrarum.audio.*
import net.torvald.terrarum.modulebasegame.TerrarumIngame
import net.torvald.terrarum.ui.BasicDebugInfoWindow
@@ -52,6 +53,7 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
private var modeNext = MODE_IDLE
private var transitionAkku = 0f
private var transitionRequest: Int? = null
private var transitionOngoing = false
private var TRANSITION_LENGTH = 0.44444445f
@@ -67,31 +69,44 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
init {
setAsAlwaysVisible()
// test code
val diskJockeyingMode = "continuous" // must be read from the playlist.json
registerPlaylist(App.customDir + "/MusicShort", false, diskJockeyingMode)
}
fun registerPlaylist(path: String, shuffled: Boolean, diskJockeyingMode: String) {
ingame.musicGovernor.queueDirectory(path, shuffled, diskJockeyingMode)
ingame.musicGovernor.addMusicStartHook { music ->
setMusicName(music.name)
transitionRequest = MODE_NOW_PLAYING
}
ingame.musicGovernor.addMusicStopHook { music ->
setIntermission()
transitionRequest = MODE_IDLE
if (diskJockeyingMode == "intermittent") {
setIntermission()
transitionRequest = MODE_IDLE
}
}
}
private var renderFBOreq: String? = ""
private var renderFBOhistory: String? = ""
private var currentMusicName = ""
private var nameLength = 0
private var nameLengthOld = 0
private var nameOverflown = false
private fun setIntermission() {
renderFBOreq = ""
currentMusicName = ""
nameOverflown = false
}
private fun setMusicName(str: String) {
renderFBOreq = str
currentMusicName = str
nameLength = App.fontGameFBO.getWidth(str)
TRANSITION_LENGTH = 0.6666667f * (nameLength.coerceAtMost(nameStrMaxLen).toFloat() / nameStrMaxLen)
TRANSITION_LENGTH = 0.8f * ((nameLength.coerceAtMost(nameStrMaxLen).toFloat() - nameLengthOld).absoluteValue / nameStrMaxLen)
nameOverflown = (nameLength > nameStrMaxLen)
// printdbg(this, "setMusicName $str; strLen = $nameLengthOld -> $nameLength; overflown=$nameOverflown; transitionTime=$TRANSITION_LENGTH")
}
override fun updateUI(delta: Float) {
@@ -103,17 +118,17 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
}
// actually do transition
if (mode != modeNext) {
if (transitionAkku <= TRANSITION_LENGTH) {
makeTransition()
if (renderFBOhistory?.isNotBlank() == true) {
renderFBOreq = renderFBOhistory // continuously call the renderNameToFBO
}
transitionAkku += delta
if (transitionAkku > TRANSITION_LENGTH) {
// printdbg(this, "On transition... ($transitionAkku / $TRANSITION_LENGTH); width = $width")
if (transitionAkku >= TRANSITION_LENGTH) {
mode = modeNext
// printdbg(this, "Transition complete: nameLengthOld=${nameLengthOld} -> ${nameLength}")
nameLengthOld = nameLength
}
}
@@ -123,36 +138,43 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
private fun smoothstep(x: Float) = (x*x*(3f-2f*x)).coerceIn(0f, 1f)
private fun smootherstep(x: Float) = (x*x*x*(x*(6f*x-15f)+10f)).coerceIn(0f, 1f)
private fun setUIwidthFromTextWidth(textW: Int, percentage: Float) {
val zeroWidth = METERS_WIDTH
val maxWidth = (textW + METERS_WIDTH + maskOffWidth).roundToInt().toFloat()
private fun setUIwidthFromTextWidth(widthOld: Int, widthNew: Int, percentage: Float) {
val zeroWidth = if (widthOld == 0) METERS_WIDTH else (widthOld + METERS_WIDTH + maskOffWidth).roundToInt().toFloat()
val maxWidth = (widthNew + METERS_WIDTH + maskOffWidth).roundToInt().toFloat()
val step = smootherstep(percentage)
// printdbg(this, "setUIwidth: $zeroWidth -> $maxWidth; perc = $percentage")
width = FastMath.interpolateLinear(step, zeroWidth, maxWidth).roundToInt()
}
// changes ui width
private fun makeTransition() {
transitionDB[mode to modeNext]?.invoke(transitionAkku)
transitionDB[mode to modeNext].let {
if (it == null) throw NullPointerException("No transition for $mode -> $modeNext")
it.invoke(transitionAkku)
}
}
private val transitionDB = HashMap<Pair<Int, Int>, (Float) -> Unit>().also {
it[MODE_IDLE to MODE_IDLE] = { akku -> }
it[MODE_IDLE to MODE_NOW_PLAYING] = { akku ->
setUIwidthFromTextWidth(nameLength, akku / TRANSITION_LENGTH)
setUIwidthFromTextWidth(nameLengthOld, nameLength, akku / TRANSITION_LENGTH)
}
it[MODE_NOW_PLAYING to MODE_NOW_PLAYING] = { akku ->
setUIwidthFromTextWidth(nameLengthOld, nameLength, akku / TRANSITION_LENGTH)
}
it[MODE_NOW_PLAYING to MODE_IDLE] = { akku ->
setUIwidthFromTextWidth(nameLength, (1f - (akku / TRANSITION_LENGTH).coerceAtMost(1f)))
setUIwidthFromTextWidth(nameLengthOld, nameLength, akku / TRANSITION_LENGTH)
}
}
override fun renderUI(batch: SpriteBatch, camera: OrthographicCamera) {
if (renderFBOreq != null) {
batch.end()
renderFBOhistory = renderFBOreq?.substring(0)
renderNameToFBO(batch, camera, renderFBOreq!!, 0f..width.toFloat() - METERS_WIDTH.toInt() - maskOffWidth)
batch.begin()
renderFBOreq = null
}
batch.end()
renderNameToFBO(batch, camera, currentMusicName, 0f..width.toFloat() - METERS_WIDTH.toInt() - maskOffWidth)
batch.begin()
val posX = ((Toolkit.drawWidth - width) / 2).toFloat()
val posY = (App.scr.height - App.scr.tvSafeGraphicsHeight - height).toFloat()