MainMenuScreen.java

package com.tacoid.superflu;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.GL10;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.Stage;
import com.badlogic.gdx.scenes.scene2d.ui.Image;

public class MainMenuScreen implements Screen {
	private static final int VIRTUAL_WIDTH = 1024;
	private static final int VIRTUAL_HEIGHT = 576;
	private static MainMenuScreen instance = null;
	
	private Stage stage;
	private final SuperFlu superflu;
	
	private MainMenuScreen() {
		this.superflu = SuperFlu.getInstance();
		stage = new Stage(Gdx.graphics.getWidth(), Gdx.graphics.getHeight(), false);
		
		Texture backgroundTexture = superflu.manager.get("images/fond_carte.png", Texture.class);
		TextureRegion backgroundTextureRegion = new TextureRegion(backgroundTexture, VIRTUAL_WIDTH, VIRTUAL_HEIGHT);
		Image imgBackground = new Image(backgroundTextureRegion);
		imgBackground.touchable = false;
		stage.addActor(imgBackground);
		
		Texture titleTexture = superflu.manager.get("images/superflu.png", Texture.class);
		TextureRegion titleTextureRegion = new TextureRegion(titleTexture, 815, 175);
		Image imgTitle = new Image(titleTextureRegion);
		imgTitle.touchable = false;
		imgTitle.x = 105;
		imgTitle.y = 360;
		stage.addActor(imgTitle);
		
		stage.addActor(new PlayMonoActor());
		stage.addActor(new PlayMultiActor());
		stage.addActor(new HelpActor());
		stage.addActor(new ExitActor());
		stage.addActor(new OptionsActor());
		stage.addActor(new AboutActor());
	}
	

	private class PlayMonoActor extends Actor {

		private TextureRegion region;

		public PlayMonoActor() {
			Texture texture = superflu.manager.get("images/mono.png", Texture.class);
			region = new TextureRegion(texture, 336, 80);
			x = 344;
			y = 248;
			width = 336;
			height = 80;
		}
		
		@Override
		public void draw(SpriteBatch batch, float alpha) {
			batch.draw(region, x, y);
		}

		@Override
		public Actor hit(float x, float y) {
			return x >= 0 && x <= width && y >= 0 && y <= height ? this : null;
		}
		
		@Override
		public boolean touchDown(float x, float y, int pointer) {
			superflu.setScreen(GameScreen.getInstance());
			return true;
		}
	}
	
	private class PlayMultiActor extends Actor {

		private TextureRegion region;

		public PlayMultiActor() {
			Texture texture = superflu.manager.get("images/multi.png", Texture.class);
			region = new TextureRegion(texture, 368, 80);
			x = 345;
			y = 151;
			width = 368;
			height = 80;
		}
		
		@Override
		public void draw(SpriteBatch batch, float alpha) {
			batch.draw(region, x, y);
		}

		@Override
		public Actor hit(float x, float y) {
			return x >= 0 && x <= width && y >= 0 && y <= height ? this : null;
		}
		
		@Override
		public boolean touchDown(float x, float y, int pointer) {
			superflu.setScreen(GameScreen.getInstance());
			return true;
		}
	}
	
	private class HelpActor extends Actor {

		private TextureRegion region;

		public HelpActor() {
			Texture texture = superflu.manager.get("images/aide.png", Texture.class);
			region = new TextureRegion(texture, 239, 80);
			x = 345;
			y = 54;
			width = 239;
			height = 80;
		}
		
		@Override
		public void draw(SpriteBatch batch, float alpha) {
			batch.draw(region, x, y);
		}

		@Override
		public Actor hit(float x, float y) {
			return x >= 0 && x <= width && y >= 0 && y <= height ? this : null;
		}
		
		@Override
		public boolean touchDown(float x, float y, int pointer) {
			superflu.setScreen(HelpScreen.getInstance());
			return true;
		}
	}
	
	
	private class ExitActor extends MenuIcon {
		
		public ExitActor() {
			super("images/exit.png", "Quitter", 48, 48);
			x = 900;
			y = 40;
		}
		
		@Override
		public boolean touchDown(float x, float y, int pointer) {
			Gdx.app.exit();
			return true;
		}
	}
	
	private class OptionsActor extends MenuIcon {
		
		public OptionsActor() {
			super("images/options.png", "Options", 48, 48);
			x = 900;
			y = 100;
		}
		
		@Override
		public boolean touchDown(float x, float y, int pointer) {
			//superflu.setScreen(OptionScreen.getInstance());
			return true;
		}
	}
	
	private class AboutActor extends MenuIcon {
		
		public AboutActor() {
			super("images/about.png", "À propos", 48, 48);
			x = 900;
			y = 160;
		}
		
		@Override
		public boolean touchDown(float x, float y, int pointer) {
			superflu.setScreen(AboutScreen.getInstance());
			return true;
		}
	}
	
	
	@Override
	public void dispose() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void hide() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void pause() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void render(float delta) {
		Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
		stage.act(delta);
		stage.draw();
	}

	@Override
	public void resize(int arg0, int arg1) {
		stage.setViewport(VIRTUAL_WIDTH, VIRTUAL_HEIGHT, false);
		stage.getCamera().position.set(VIRTUAL_WIDTH/2, VIRTUAL_HEIGHT/2, 0);
	}

	@Override
	public void resume() {
		// TODO Auto-generated method stub
	}

	@Override
	public void show() {
		Gdx.input.setInputProcessor(stage);
	}

	public static MainMenuScreen getInstance() {
		if (instance == null) {
			instance = new MainMenuScreen();
		}
		return instance;
	}

}