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package ch.asynk.rustanddust.ui;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import ch.asynk.rustanddust.engine.util.IterableQueue;
import ch.asynk.rustanddust.engine.gfx.Animation;
public class LabelStack extends Label implements Animation
{
class MsgInfo
{
String text;
float duration;
Position position;
MsgInfo(String text, float duration, Position position)
{
this.text = text;
this.duration = duration;
this.position = position;
}
}
private float duration;
private float elapsed;
private IterableQueue<MsgInfo> queue;
public LabelStack(BitmapFont font, float padding)
{
super(font, padding);
this.visible = false;
this.queue = new IterableQueue<MsgInfo>(3);
}
public void pushWrite(String text, float duration, Position position)
{
if (visible)
queue.enqueue(new MsgInfo(text, duration, position));
else
write(text, duration, position);
}
public void write(String text, float duration, Position position)
{
this.position = position;
write(text, duration);
}
public void write(String text, float duration)
{
this.duration = duration;
this.visible = true;
this.elapsed = 0f;
write(text);
}
@Override
public boolean animate(float delta)
{
if (!visible) return false;
elapsed += delta;
if (elapsed >= duration) {
visible = false;
if (queue.size() > 0) {
MsgInfo info = queue.dequeue();
write(info.text, info.duration, info.position);
return true;
}
}
return false;
}
}
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