TitleStage.java

package net.fe;

import java.util.List;

import org.lwjgl.input.Keyboard;
import org.newdawn.slick.Color;
import org.newdawn.slick.opengl.Texture;

import chu.engine.Game;
import chu.engine.KeyboardEvent;
import chu.engine.Stage;
import chu.engine.anim.AudioPlayer;
import chu.engine.anim.Renderer;
import chu.engine.anim.Transform;

public class TitleStage extends Stage{
	private float alpha;
	private float dAlpha;
	private float counter;
	private Texture title;
	public TitleStage(){
		super("main_theme");
		dAlpha = 0.9f;
		title = FEResources.getTexture("title");
	}
	@Override
	public void beginStep() {
		List<KeyboardEvent> keys = Game.getKeys();
		for(KeyboardEvent ke : keys) {
			if(ke.state) {
				if(ke.key == Keyboard.KEY_RETURN){
					counter += Game.getDeltaSeconds();
					AudioPlayer.playAudio("start", 1, 1);
				}					
			}
		}
	}

	@Override
	public void onStep() {
		alpha += dAlpha * Game.getDeltaSeconds();
		if(alpha > 0.4){
			alpha = 0.4f;
			dAlpha *= -1;
		}
		if(alpha < 0){
			alpha = 0f;
			dAlpha *= -1;
		}
		if(counter > 0){
			counter += Game.getDeltaSeconds();
			if(counter >= 1.3f){
				FEMultiplayer.setCurrentStage(FEMultiplayer.connect);
			}
		}
	}

	@Override
	public void endStep() {
		
	}
	
	public void render(){
		Renderer.render(title, 0, 0, 1, 1, 0, 0, 480, 320, 1);
		Transform t = new Transform();
		t.setScale(2, 2);
		t.setColor(new Color(1-alpha,1,1-alpha,1));
		if(counter * 20 % 2 < 1)
			Renderer.drawString("default_med", "Press Enter", 189, 230, 0, t);
	}
	
}