Add main menu screen

core/src/Klooni.gwt.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE module PUBLIC "-//Google Inc.//DTD Google Web Toolkit trunk//EN" "http://google-web-toolkit.googlecode.com/svn/trunk/distro-source/core/src/gwt-module.dtd">
+<module>
+	<source path="io/github/lonamiwebs/klooni" />
+</module>

core/src/io/github/lonamiwebs/klooni/Klooni.java

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+package io.github.lonamiwebs.klooni;
+
+import com.badlogic.gdx.Game;
+import com.badlogic.gdx.scenes.scene2d.ui.Skin;
+
+import io.github.lonamiwebs.klooni.screens.MainMenuScreen;
+
+public class Klooni extends Game {
+
+    public static Skin skin;
+
+    @Override
+    public void create() {
+        //skin = new Skin(Gdx.files.internal("skin/craftacular-ui.json"));
+        setScreen(new MainMenuScreen(this));
+    }
+
+    @Override
+    public void render() {
+        super.render();
+    }
+
+    @Override
+    public void dispose() {
+        super.dispose();
+    }
+}

core/src/io/github/lonamiwebs/klooni/screens/MainMenuScreen.java

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+package io.github.lonamiwebs.klooni.screens;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Screen;
+import com.badlogic.gdx.graphics.Color;
+import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.Texture;
+import com.badlogic.gdx.graphics.g2d.NinePatch;
+import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.scenes.scene2d.Actor;
+import com.badlogic.gdx.scenes.scene2d.Stage;
+import com.badlogic.gdx.scenes.scene2d.ui.ImageButton;
+import com.badlogic.gdx.scenes.scene2d.ui.Skin;
+import com.badlogic.gdx.scenes.scene2d.ui.Table;
+import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
+
+import io.github.lonamiwebs.klooni.Klooni;
+
+public class MainMenuScreen implements Screen {
+    private Klooni game;
+
+    Skin skin;
+    Stage stage;
+    SpriteBatch batch;
+
+    public MainMenuScreen(Klooni aGame) {
+        game = aGame;
+
+        batch = new SpriteBatch();
+        stage = new Stage();
+        skin = new Skin(Gdx.files.internal("skin/uiskin.json"));
+
+        Table table = new Table();
+        table.setFillParent(true);
+        stage.addActor(table);
+
+        skin.add("button_up", new NinePatch(new Texture(
+                Gdx.files.internal("ui/button_up.png")), 28, 28, 28, 28));
+
+        skin.add("button_down", new NinePatch(new Texture(
+                Gdx.files.internal("ui/button_down.png")), 28, 28, 28, 28));
+
+        skin.add("play_texture", new Texture(Gdx.files.internal("ui/play.png")));
+        skin.add("star_texture", new Texture(Gdx.files.internal("ui/star.png")));
+        skin.add("stats_texture", new Texture(Gdx.files.internal("ui/stats.png")));
+        skin.add("palette_texture", new Texture(Gdx.files.internal("ui/palette.png")));
+
+        // Play button
+        ImageButton.ImageButtonStyle playStyle = new ImageButton.ImageButtonStyle(
+                skin.newDrawable("button_up", Color.GREEN), skin.newDrawable("button_down", Color.GREEN),
+                null, skin.getDrawable("play_texture"), null, null);
+
+        final ImageButton playButton = new ImageButton(playStyle);
+        table.add(playButton).colspan(3).fill().space(16);
+
+        playButton.addListener(new ChangeListener() {
+            public void changed (ChangeEvent event, Actor actor) {
+                System.out.println("Clicked! Is checked: " + playButton.isChecked());
+            }
+        });
+
+        table.row();
+
+        // Star button (on GitHub)
+        ImageButton.ImageButtonStyle starStyle = new ImageButton.ImageButtonStyle(
+                skin.newDrawable("button_up", Color.YELLOW), skin.newDrawable("button_down", Color.YELLOW),
+                null, skin.getDrawable("star_texture"), null, null);
+
+        final ImageButton starButton = new ImageButton(starStyle);
+        table.add(starButton).space(16);
+
+        // Stats button (high scores)
+        ImageButton.ImageButtonStyle statsStyle = new ImageButton.ImageButtonStyle(
+                skin.newDrawable("button_up", Color.BLUE), skin.newDrawable("button_down", Color.BLUE),
+                null, skin.getDrawable("stats_texture"), null, null);
+
+        final ImageButton statsButton = new ImageButton(statsStyle);
+        table.add(statsButton).space(16);
+
+        // Palette button (buy colors)
+        ImageButton.ImageButtonStyle paletteStyle = new ImageButton.ImageButtonStyle(
+                skin.newDrawable("button_up", Color.FIREBRICK), skin.newDrawable("button_down", Color.FIREBRICK),
+                null, skin.getDrawable("palette_texture"), null, null);
+
+        final ImageButton paletteButton = new ImageButton(paletteStyle);
+        table.add(paletteButton).space(16);
+    }
+
+    @Override
+    public void show() {
+        Gdx.input.setInputProcessor(stage);
+    }
+
+    private static final float minDelta = 1/30f;
+
+    @Override
+    public void render(float delta) {
+        Gdx.gl.glClearColor(0.9f, 0.9f, 0.7f, 1);
+        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+        stage.act(Math.min(Gdx.graphics.getDeltaTime(), minDelta));
+        stage.draw();
+    }
+
+    @Override
+    public void resize(int width, int height) {
+        stage.getViewport().update(width, height, true);
+    }
+
+    @Override
+    public void pause() {
+
+    }
+
+    @Override
+    public void resume() {
+
+    }
+
+    @Override
+    public void hide() {
+
+    }
+
+    @Override
+    public void dispose() {
+        stage.dispose();
+        skin.dispose();
+    }
+}