Rogue: Savage Rats, a retro-themed dungeon crawler
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
rogue-savage-rats/src/mightypork/rogue/screens/LoadingOverlay.java

117 lines
2.7 KiB

package mightypork.rogue.screens;
import mightypork.gamecore.core.AppAccess;
import mightypork.gamecore.gui.AlignX;
import mightypork.gamecore.gui.components.painters.QuadPainter;
import mightypork.gamecore.gui.components.painters.TextPainter;
import mightypork.gamecore.gui.screens.Overlay;
import mightypork.gamecore.resources.Res;
import mightypork.gamecore.util.Utils;
import mightypork.gamecore.util.math.Easing;
import mightypork.gamecore.util.math.color.pal.PAL16;
import mightypork.gamecore.util.math.color.pal.RGB;
import mightypork.gamecore.util.math.constraints.num.Num;
import mightypork.gamecore.util.math.constraints.num.mutable.NumAnimated;
import mightypork.gamecore.util.math.constraints.rect.Rect;
import mightypork.gamecore.util.math.timing.TimedTask;
import mightypork.gamecore.util.strings.StringProvider;
/**
* Overlay with blue background and loading-info text, that accompanies an async
* task.
*
* @author MightyPork
*/
public class LoadingOverlay extends Overlay {
private static final double T_IN = 0.5;
private static final double T_OUT = 1;
private final NumAnimated alpha = new NumAnimated(0);
private final StringProvider msgStrProv = new StringProvider() {
@Override
public String getString()
{
return msg == null ? "" : msg;
}
};
private boolean busy;
private String msg;
private Runnable task;
private final TimedTask tt = new TimedTask() {
@Override
public void run()
{
Utils.runAsThread(new Runnable() {
@Override
public void run()
{
task.run();
alpha.setEasing(Easing.SINE_OUT);
alpha.fadeOut(T_OUT);
busy = false;
}
});
}
};
public LoadingOverlay(AppAccess app)
{
super(app);
final QuadPainter qp = new QuadPainter(PAL16.SEABLUE);
qp.setRect(root);
root.add(qp);
updated.add(alpha);
updated.add(tt);
Rect textRect = root.shrink(Num.ZERO, root.height().perc(48));
textRect = textRect.moveY(root.height().perc(-10));
final TextPainter tp = new TextPainter(Res.getFont("thick"), AlignX.CENTER, RGB.WHITE, msgStrProv);
tp.setRect(textRect);
tp.setShadow(RGB.BLACK_60, tp.height().mul(1 / 8D).toVectXY());
root.add(tp);
setAlpha(alpha);
}
@Override
public int getZIndex()
{
return 10001; // not too high, so app can put something on top
}
/**
* Show for a task
*
* @param message task description
* @param task task
*/
public void show(String message, Runnable task)
{
if (busy) throw new IllegalStateException("Loader is busy with another task.");
this.msg = message;
this.task = task;
this.busy = true;
alpha.setEasing(Easing.SINE_IN);
alpha.fadeIn(T_IN);
tt.start(T_IN);
}
}