TitleScreen.java

/*
 * Copyright 2012 Antti Kolehmainen
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.sturdyhelmetgames.dodgethecars.screen;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.math.Vector3;
import com.sturdyhelmetgames.dodgethecars.DodgeTheCarsGame;
import com.sturdyhelmetgames.dodgethecars.assets.Art;
import com.sturdyhelmetgames.dodgethecars.assets.Sound;
import com.sturdyhelmetgames.dodgethecars.events.EventCache;

/**
 * Title screen for game instructions.
 * 
 * @author Antti 26.6.2012
 * 
 */
public class TitleScreen extends TransitionScreen {

	private boolean changeScreen = false;

	public TitleScreen(DodgeTheCarsGame game) {
		super(game);
		Gdx.input.setInputProcessor(this);
		if (Sound.musicHappyGoLucky.isPlaying()) {
			Sound.musicHappyGoLucky.stop();
		}
	}

	@Override
	protected void updateScreen(float fixedStep) {
		super.updateScreen(fixedStep);

		// change screen if conditions are met
		if (changeScreen && screenTime > 4.99f) {
			game.setScreen(new GameScreen(game));
		}
	}

	@Override
	public void renderScreen(float delta) {
		spriteBatch.getProjectionMatrix().set(camera.combined);
		spriteBatch.begin();
		// draw title screen
		spriteBatch.draw(Art.titleScreenTexture, -24f, -39f, 48f, 55f);
		spriteBatch.end();

		renderFadeIn(delta);
		if (changeScreen) {
			renderFadeOut(delta);
		}
	}

	@Override
	public boolean touchDown(int screenX, int screenY, int pointer, int button) {
		final Vector3 position = new Vector3(screenX, screenY, 0f);
		camera.unproject(position);
		boolean touchedButton = false;
		if (position.x > 10f && position.x < 23f && position.y > -15f
				&& position.y < -10f) {
			touchedButton = true;
		}
		if (!touchedButton && changeScreen == false) {
			changeScreen = true;
			screenTime = 4f;
			return true;
		}
		return super.touchDown(screenX, screenY, pointer, button);
	}

	@Override
	public boolean touchUp(int screenX, int screenY, int pointer, int button) {
		final Vector3 position = new Vector3(screenX, screenY, 0f);
		camera.unproject(position);
		if (position.x > 10f && position.x < 23f && position.y > -15f
				&& position.y < -10f) {
			game.fireEvent(EventCache.openLeaderboard);
			return true;
		}
		return super.touchUp(screenX, screenY, pointer, button);
	}

	@Override
	public boolean keyDown(int keycode) {
		if (keycode == Keys.ESCAPE || keycode == Keys.ENTER) {
			changeScreen = true;
			screenTime = 4f;
			return true;
		}
		return false;
	}

}