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151 lines
2.4 KiB
151 lines
2.4 KiB
package mightypork.gamecore.gui.screens.impl;
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import mightypork.gamecore.gui.screens.Screen;
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import mightypork.gamecore.gui.screens.ScreenLayer;
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import mightypork.utils.annotations.Stub;
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import mightypork.utils.math.animation.Easing;
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import mightypork.utils.math.animation.NumAnimated;
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import mightypork.utils.math.timing.TimedTask;
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/**
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* Layer that smoothly appears/disappears when shown/hidden
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*
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* @author Ondřej Hruška (MightyPork)
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*/
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public abstract class FadingLayer extends ScreenLayer {
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private final NumAnimated numa;
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private final TimedTask hideTimer = new TimedTask() {
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@Override
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public void run()
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{
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FadingLayer.super.hide();
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fadingOut = false;
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onHideFinished();
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}
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};
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private final TimedTask showTimer = new TimedTask() {
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@Override
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public void run()
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{
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fadingIn = false;
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onShowFinished();
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}
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};
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private boolean fadingIn = false;
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private boolean fadingOut = false;
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/**
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* Create with default fading time and effect
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*
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* @param screen
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*/
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public FadingLayer(Screen screen) {
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this(screen, new NumAnimated(1, Easing.QUADRATIC_OUT, 0.3));
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}
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/**
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* @param screen
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* @param easingAnim the animation num
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*/
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public FadingLayer(Screen screen, NumAnimated easingAnim) {
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super(screen);
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numa = easingAnim;
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updated.add(numa);
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updated.add(hideTimer);
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updated.add(showTimer);
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setAlpha(numa);
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}
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/**
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* Called after the fade-out was completed
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*/
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@Stub
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protected void onHideFinished()
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{
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}
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/**
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* Called after the fade-in was completed
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*/
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@Stub
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protected void onShowFinished()
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{
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}
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/**
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* Show with fading
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*/
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@Override
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public void show()
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{
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if (fadingIn) return;
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if (!isVisible() || fadingOut) {
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super.show();
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numa.fadeIn();
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hideTimer.stop();
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showTimer.start(numa.getDefaultDuration());
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fadingOut = false;
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fadingIn = true;
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}
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}
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/**
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* Hide without fading
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*/
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public void hideImmediate()
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{
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hideTimer.stop();
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numa.setTo(0);
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super.hide();
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onHideFinished();
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}
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/**
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* Show without fading
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*/
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public void showImmediate()
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{
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hideTimer.stop();
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numa.setTo(1);
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super.show();
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onShowFinished();
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}
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/**
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* Hide with fading
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*/
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@Override
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public void hide()
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{
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if (fadingOut) return;
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if (isVisible()) {
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numa.fadeOut();
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hideTimer.start(numa.getDefaultDuration());
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fadingOut = true;
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fadingIn = false;
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}
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}
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}
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