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72 lines
1.2 KiB
72 lines
1.2 KiB
package mightypork.rogue.gui.screens;
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import java.util.LinkedList;
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import mightypork.rogue.AppAccess;
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import mightypork.utils.control.interf.Updateable;
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public abstract class LayeredScreen extends Screen {
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private final LinkedList<ScreenLayer> layers = new LinkedList<ScreenLayer>();
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public LayeredScreen(AppAccess app) {
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super(app);
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}
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@Override
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protected abstract void deinitScreen();
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@Override
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protected abstract void onScreenEnter();
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@Override
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protected abstract void onScreenLeave();
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@Override
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protected final void renderScreen()
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{
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for (ScreenLayer layer : layers) {
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layer.render();
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}
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}
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/**
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* Update screen. Layers should implement {@link Updateable} to receive
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* updates directly from bus.
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*/
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@Override
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protected abstract void updateScreen(double delta);
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/**
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* Add a layer to the screen.
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*
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* @param layer
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*/
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protected final void addLayer(ScreenLayer layer)
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{
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this.layers.add(layer); // will be rendered from last to first
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addChildClient(layer); // connect to bus
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}
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/**
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* Remove a layer
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*
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* @param layer
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*/
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protected final void removeLayer(ScreenLayer layer)
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{
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this.layers.remove(layer);
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removeChildClient(layer);
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}
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}
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