WarpPI/src/org/warp/picalculator/gui/screens/LoadingScreen.java

package org.warp.picalculator.gui.screens;

import static org.warp.picalculator.gui.DisplayManager.colore;
import static org.warp.picalculator.gui.DisplayManager.fonts;

import org.warp.picalculator.Main;
import org.warp.picalculator.device.Keyboard.Key;
import org.warp.picalculator.gui.DisplayManager;
import org.warp.picalculator.gui.GraphicUtils;

public class LoadingScreen extends Screen {

	public float endLoading;
	boolean mustRefresh = true;
	public float loadingTextTranslation = 0.0f;
	private boolean loading;
	private static final String titleString = "Andrea Cavalli's Algebraic Calculator";

	public LoadingScreen() {
		super();
		canBeInHistory = false;
	}

	@Override
	public void created() throws InterruptedException {
		endLoading = 0;
	}

	@Override
	public void init() throws InterruptedException {}

	@Override
	public void beforeRender(float dt) {
		loadingTextTranslation = GraphicUtils.sinDeg(endLoading * 90f) * 10f;

		endLoading += dt;
		if (endLoading >= 5f) {
			loading = false;
			DisplayManager.INSTANCE.setScreen(new MathInputScreen());
		}
		mustRefresh = true;
	}

	@Override
	public void render() {
		DisplayManager.guiSkin.use(DisplayManager.engine);
		DisplayManager.renderer.glColor3i(255, 255, 255);
		DisplayManager.renderer.glFillRect(Main.screenSize[0]/2f-80, Main.screenSize[1]/2f-64, 160, 48, 0, 32, 160, 48);
		DisplayManager.renderer.glFillRect(Main.screenSize[0]/2f-24, Main.screenSize[1]/2f-loadingTextTranslation, 48, 48, 160, 32, 48, 48);

		DisplayManager.renderer.glFillRect(Main.screenSize[0]-224, Main.screenSize[1]-48, 224, 48, 0, 80, 224, 48);
		DisplayManager.renderer.glFillRect(Main.screenSize[0]-160-24-224, Main.screenSize[1]-48, 160, 48, 224, 80, 160, 48);

	}

	@Override
	public boolean mustBeRefreshed() {
		if (mustRefresh) {
			mustRefresh = false;
			return true;
		} else {
			return false;
		}
	}

	@Override
	public boolean keyPressed(Key k) {
		return false;
	}

	@Override
	public boolean keyReleased(Key k) {
		return false;
	}

}