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musicplayer: album-playlist transition

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This commit is contained in:
minjaesong
2024-01-05 13:58:13 +09:00
parent 1e135e43f9
commit 23df3ac02b
1 changed files with 47 additions and 37 deletions
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70
MusicPlayer/src/net/torvald/terrarum/musicplayer/gui/MusicPlayer.kt
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@@ -70,16 +70,16 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
private val transitionOngoing
get() = transitionAkku < TRANSITION_LENGTH
private var currentListMode: Int? = null // 0: album, 1: playlist
private var currentListModeNext: Int? = null // 0: album, 1: playlist
private var currentListMode = 0 // 0: album, 1: playlist
private var currentListModeNext = 0 // 0: album, 1: playlist
private var listModeTransitionAkku = 0f
private var currentListTransitionRequest: Int? = null // 0: album, 1: playlist
private val listModeTransitionOngoing
get() = listModeTransitionAkku < LIST_MODE_TRANS_LENGTH
private val TRANSITION_LENGTH = 0.6f
private val LIST_MODE_TRANS_LENGTH = 0.3f
private val TRANSITION_LENGTH = 0.45f
private val LIST_MODE_TRANS_LENGTH = 0.15f
private val colourBack = Color(0xffffff_99.toInt())
@@ -187,6 +187,11 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
transitionAkku = 0f
transitionRequest = null
}
if (currentListTransitionRequest != null) {
currentListModeNext = currentListTransitionRequest!!
listModeTransitionAkku = 0f
currentListTransitionRequest = null
}
// actually do transition
if (transitionAkku <= TRANSITION_LENGTH) {
@@ -203,6 +208,20 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
setFinalWidthHeight()
}
}
if (listModeTransitionAkku <= LIST_MODE_TRANS_LENGTH) {
listViewPanelScroll = FastMath.interpolateLinear(listModeTransitionAkku / LIST_MODE_TRANS_LENGTH, currentListMode.toFloat(), currentListModeNext.toFloat())
listModeTransitionAkku += delta
// printdbg(this, "On transition... ($transitionAkku / $TRANSITION_LENGTH); width = $width")
if (listModeTransitionAkku >= LIST_MODE_TRANS_LENGTH) {
currentListMode = currentListModeNext!!
listViewPanelScroll = currentListMode.toFloat()
// printdbg(this, "Transition complete: nameLengthOld=${nameLengthOld} -> ${nameLength}")
}
}
// scroll music title
if (mode > MODE_IDLE) {
@@ -582,11 +601,12 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
batch.color = Color.WHITE
TEST_LIST_TRANSITION_PERCENTAGE = (TEST_LIST_TRANSITION_PERCENTAGE + frameDelta / 2f) % 1f
// TEST CODE
listViewPanelScroll = currentListMode.toFloat()
}
private val widthForList = 320
private val hwidthForList = widthForList / 2
private val hwidthForList = widthForList / 2f
private val PLAYLIST_LEFT_GAP = METERS_WIDTH.toInt() + maskOffWidth
private val PLAYLIST_NAME_LEN = widthForList
@@ -596,43 +616,34 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
private val playListAnimAkku = FloatArray(PLAYLIST_LINES) // how many control buttons?
private val playListAnimLength = 0.16f
private var TEST_LIST_TRANSITION_PERCENTAGE = 0f // 0: show albums, 1: show playlist, anything inbetween: transition ongoing
private var listViewPanelScroll = 0f // 0: show albums, 1: show playlist, anything inbetween: transition ongoing
private fun drawList(camera: OrthographicCamera, delta: Float, batch: SpriteBatch, x: Float, y: Float) {
val (alpha, reverse) = /*if (mode < MODE_SHOW_LIST && modeNext == MODE_SHOW_LIST)
val alphaLeft = (1f - listViewPanelScroll).pow(2f)
val alphaRight = listViewPanelScroll.pow(2f)
var (drawAlpha, reverse) = if (mode < MODE_SHOW_LIST && modeNext == MODE_SHOW_LIST)
(transitionAkku / TRANSITION_LENGTH).let { if (it.isNaN()) 0f else it } to false
else if (mode == MODE_SHOW_LIST && modeNext < MODE_SHOW_LIST)
(transitionAkku / TRANSITION_LENGTH).let { if (it.isNaN()) 0f else it } to true
else if (mode >= MODE_SHOW_LIST)
1f to false
else
0f to false*/
TEST_LIST_TRANSITION_PERCENTAGE to false
0f to false
drawAlpha = drawAlpha.coerceIn(0f, 1f).organicOvershoot().coerceAtMost(1f)
drawAlpha = 0.75f * (if (reverse) 1f - drawAlpha else drawAlpha).pow(3f)
val anchorX = Toolkit.hdrawWidthf - width / 2
if (alpha > 0f) {
val alpha0 = alpha.coerceIn(0f, 1f).organicOvershoot().coerceAtMost(1f)
val posXLeft = FastMath.interpolateLinear(listViewPanelScroll, 0f, -hwidthForList)
val posXRight = FastMath.interpolateLinear(listViewPanelScroll, hwidthForList, 0f)
// TODO draw album/playlist
val (offX2, alpha2) = /*if (listModeTransitionOngoing) {
if (currentListModeNext == 0)
hwidthForList - hwidthForList * (listModeTransitionAkku / LIST_MODE_TRANS_LENGTH) to (listModeTransitionAkku / LIST_MODE_TRANS_LENGTH)
else
-hwidthForList * (listModeTransitionAkku / LIST_MODE_TRANS_LENGTH) to 1f - (listModeTransitionAkku / LIST_MODE_TRANS_LENGTH)
}
else {
0f to 0f
}*/
hwidthForList - hwidthForList * TEST_LIST_TRANSITION_PERCENTAGE to 1f - TEST_LIST_TRANSITION_PERCENTAGE
val offX1 = offX2 - hwidthForList
val alpha1 = 1f - alpha2
val drawAlpha = 0.75f * (if (reverse) 1f - alpha0 else alpha0).pow(3f)// + (playListAnimAkku[i].pow(2f) * 1.2f)
// assuming both view has the same list dimension
drawAlbumList(camera, delta, batch, (anchorX + offX2).roundToFloat(), (y + 5).roundToFloat(), drawAlpha * alpha1, width / (widthForList + METERS_WIDTH + maskOffWidth))
drawPlayList(camera, delta, batch, (anchorX + offX1).roundToFloat(), (y + 5).roundToFloat(), drawAlpha * alpha2, width / (widthForList + METERS_WIDTH + maskOffWidth))
drawAlbumList(camera, delta, batch, (anchorX + posXLeft).roundToFloat(), (y + 5).roundToFloat(), drawAlpha * alphaLeft, width / (widthForList + METERS_WIDTH + maskOffWidth))
drawPlayList(camera, delta, batch, (anchorX + posXRight).roundToFloat(), (y + 5).roundToFloat(), drawAlpha * alphaRight, width / (widthForList + METERS_WIDTH + maskOffWidth))
// update playListAnimAkku
for (i in playListAnimAkku.indices) {
@@ -642,7 +653,6 @@ class MusicPlayer(private val ingame: TerrarumIngame) : UICanvas() {
playListAnimAkku[i] = (playListAnimAkku[i] - (delta / playListAnimLength)).coerceIn(0f, 1f)
}
}
}
private val widthForMouseUp = (nameStrMaxLen + METERS_WIDTH + maskOffWidth).toInt()