[libGDX] हम Android के लिए एक पूर्ण खेल लिख रहे हैं। भाग २

 package ru.habrahabr.songs_of_the_space.managers; import ru.habrahabr.songs_of_the_space.MyGame; import ru.habrahabr.songs_of_the_space.objects.GamePreferences; import ru.habrahabr.songs_of_the_space.objects.Level; import ru.habrahabr.songs_of_the_space.objects.PlayStage; import ru.habrahabr.songs_of_the_space.objects.PlayStage.OnHardKeyListener; import ru.habrahabr.songs_of_the_space.objects.Star; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Input.Keys; import com.badlogic.gdx.Screen; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.g2d.TextureAtlas; import com.badlogic.gdx.scenes.scene2d.InputEvent; import com.badlogic.gdx.scenes.scene2d.Touchable; import com.badlogic.gdx.scenes.scene2d.ui.Label; import com.badlogic.gdx.scenes.scene2d.ui.Label.LabelStyle; import com.badlogic.gdx.scenes.scene2d.ui.Skin; import com.badlogic.gdx.scenes.scene2d.ui.Table; import com.badlogic.gdx.scenes.scene2d.ui.TextButton; import com.badlogic.gdx.scenes.scene2d.ui.TextButton.TextButtonStyle; import com.badlogic.gdx.scenes.scene2d.utils.ClickListener; import com.badlogic.gdx.utils.Array; import com.badlogic.gdx.utils.viewport.ScreenViewport; public class PlayScreen implements Screen { final MyGame game; private GamePreferences pref; private Level level; private String sL, nL; private Array<Star> stars; private PlayStage stage; private Table table, table2; public PlayScreen(final MyGame gam, String strLevel, String strNextLevel) { game = gam; this.sL = strLevel; this.nL = strNextLevel; stage = new PlayStage(new ScreenViewport()); stage.addActor(game.background); //   pref = new GamePreferences(); level = new Level(strLevel); stars = level.getStars(); level.setCurrentNote(0); for (final Star s : stars) { stage.addActor(s); //    ()   } LabelStyle labelStyle = new LabelStyle(); labelStyle.font = game.font; // Skin  ,       Skin skin = new Skin(); TextureAtlas buttonAtlas = new TextureAtlas(Gdx.files.internal("images/game/images.pack")); skin.addRegions(buttonAtlas); TextButtonStyle textButtonStyle = new TextButtonStyle(); textButtonStyle.font = game.font; textButtonStyle.up = skin.getDrawable("button-up"); textButtonStyle.down = skin.getDrawable("button-down"); textButtonStyle.checked = skin.getDrawable("button-up"); //      ,        table = new Table(); table.padTop(20); table.center().top(); table.setFillParent(true); // label     Label label = new Label(game.langStr.get("Constellation"), labelStyle); table.add(label); table.row().padBottom(30); label = new Label(game.langStr.get("level_" + strLevel), labelStyle); table.add(label); table.setVisible(false); stage.addActor(table); table2 = new Table(); table2.center().bottom(); table2.setFillParent(true); table2.row().colspan(2).padBottom(30); label = new Label(game.langStr.get("YouWin"), labelStyle); table2.add(label).bottom(); table2.row().padBottom(20); TextButton button = new TextButton(game.langStr.get("Again"), textButtonStyle); //         () //  ,  ,    button.addListener(new ClickListener() { @Override public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) { Gdx.input.vibrate(20); return true; }; @Override public void touchUp(InputEvent event, float x, float y, int pointer, int button) { game.setScreen(new PlayScreen(game, sL, nL)); dispose(); }; }); table2.add(button); //          button = new TextButton(game.langStr.get("Levels"), textButtonStyle); button.addListener(new ClickListener() { @Override public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) { Gdx.input.vibrate(20); return true; }; @Override public void touchUp(InputEvent event, float x, float y, int pointer, int button) { game.setScreen(new LevelScreen(game)); dispose(); }; }); table2.add(button); table2.setVisible(false); stage.addActor(table2); Gdx.input.setInputProcessor(stage); Gdx.input.setCatchBackKey(true); stage.setHardKeyListener(new OnHardKeyListener() { @Override public void onHardKey(int keyCode, int state) { if (keyCode == Keys.BACK && state == 1){ game.setScreen(new LevelScreen(game)); } } }); } @Override public void render(float delta) { //        Gdx.gl.glClearColor(0, 0, 0, 1); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); //      act()    ,      (  ,   ) stage.act(delta); stage.draw(); level.playStars(); //   ,      , label'   if (level.isWin()) { table.setVisible(true); table2.setVisible(true); pref.setLevel(nL); //    .  . for (Star s : stars) { s.setTouchable(Touchable.disabled); //          } } } @Override public void resize(int width, int height) {} @Override public void show() {} @Override public void hide() {} @Override public void pause() {} @Override public void resume() {} //        MyGame @Override public void dispose() { stage.dispose(); game.dispose(); } } 

 package ru.habrahabr.songs_of_the_space.objects; import java.io.IOException; import java.util.HashMap; import java.util.Map; import com.badlogic.gdx.Application.ApplicationType; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.files.FileHandle; import com.badlogic.gdx.utils.Array; import com.badlogic.gdx.utils.XmlReader; import com.badlogic.gdx.utils.XmlReader.Element; public class XMLparse { private Array<Star> stars = new Array<Star>(); private Array<Note> notes = new Array<Note>(); private Map<String, Array<String>> starsPos = new HashMap<String, Array<String>>(); //        .    ?    ! public HashMap<String, String> XMLparseLangs(String lang) { HashMap<String, String> langs = new HashMap<String, String>(); try { Element root = new XmlReader().parse(Gdx.files.internal("xml/langs.xml")); Array<Element> xml_langs = root.getChildrenByName("lang"); for (Element el : xml_langs) { if (el.getAttribute("key").equals(lang)) { Array<Element> xml_strings = el.getChildrenByName("string"); for (Element e : xml_strings) { langs.put(e.getAttribute("key"), e.getText()); } } else if (el.getAttribute("key").equals("en")) { Array<Element> xml_strings = el.getChildrenByName("string"); for (Element e : xml_strings) { langs.put(e.getAttribute("key"), e.getText()); } } } } catch (IOException e) { e.printStackTrace(); } return langs; } //      public Array<Star> XMLparseStars() { try { Element root = new XmlReader().parse(Gdx.files.internal("xml/stars.xml")); Array<Element> xml_stars = root.getChildrenByName("star"); for (Element el : xml_stars) { Star star = new Star( el.getAttribute("files"), el.getAttribute("files") ); stars.add(star); } } catch (IOException e) { e.printStackTrace(); } return this.stars; } //     public Array<String> XMLparseLevels() { Array<String> levels = new Array<String>(); Array<Integer> int_levels = new Array<Integer>(); FileHandle dirHandle; if (Gdx.app.getType() == ApplicationType.Android) { dirHandle = Gdx.files.internal("xml/levels"); } else { //  ,   libGDX -        Desktop  dirHandle = Gdx.files.internal(System.getProperty("user.dir") + "/assets/xml/levels"); } for (FileHandle entry : dirHandle.list()) { levels.add(entry.name().split(".xml")[0]); } for (int i = 0; i < levels.size; i++) { int_levels.add(Integer.parseInt(levels.get(i))); } int_levels.sort(); levels.clear(); for (int i = 0; i < int_levels.size; i++) { levels.add(String.valueOf(int_levels.get(i))); } return levels; } //   public Array<Note> XMLparseNotes(String strLevel) { try { Element root = new XmlReader().parse(Gdx.files.internal("xml/levels/" + strLevel + ".xml")).getChildByName("notes"); Array<Element> xml_notes = root.getChildrenByName("note"); for (Element el : xml_notes) { Note note = new Note(); note.setNote(el.getText()); note.setDelay(el.getAttribute("delay")); this.notes.add(note); } } catch (IOException e) { e.printStackTrace(); } return this.notes; } //    .  ,       ,        ,      public Map<String, Array<String>> getPos(String strLevel) { try { Element root = new XmlReader().parse(Gdx.files.internal("xml/levels/" + strLevel + ".xml")).getChildByName("positions"); Array<Element> xml_pos = root.getChildrenByName("position"); for (Element el : xml_pos) { Array<String> xy = new Array<String>(); xy.add(el.getAttribute("x")); xy.add(el.getAttribute("y")); this.starsPos.put(el.getAttribute("note"), xy); } } catch (IOException e) { e.printStackTrace(); } return this.starsPos; } } 

 <?xml version="1.0"?> <langs> <lang key="en"> <string key="Play">Play</string> <string key="Exit">Exit</string> <string key="Again">Again</string> <string key="Levels">Levels</string> <string key="YouWin">You win!</string> <string key="Constellation">Constellation</string> <!-- Levels --> <string key="level_1">Canes Venatici</string> <string key="level_2">Triangulum</string> <string key="level_3">Equuleus</string> <string key="level_4">Apus</string> <string key="level_5">Sagitta</string> <string key="level_6">Musca</string> <string key="level_7">Ursa Minor</string> <string key="level_8">Orion</string> <string key="level_9">Ursa Major</string> <string key="level_10">Eridanus</string> <string key="level_11">Lacerta</string> </lang> <lang key="ru"> <string key="Play"></string> <string key="Exit"></string> <string key="Again"></string> <string key="Levels"></string> <string key="YouWin"> !</string> <string key="Constellation"></string> <!-- Levels --> <string key="level_1"> </string> <string key="level_2"></string> <string key="level_3"> </string> <string key="level_4"> </string> <string key="level_5"></string> <string key="level_6"></string> <string key="level_7"> </string> <string key="level_8"></string> <string key="level_9"> </string> <string key="level_10"></string> <string key="level_11"></string> </lang> </langs> 

 <?xml version="1.0"?> <stars> <star files="c5" /> <star files="c#5" /> <star files="d5" /> <star files="d#5" /> <star files="e5" /> <star files="f5" /> <star files="f#5" /> <star files="g5" /> <star files="g#5" /> <star files="a5" /> <star files="a#5" /> <star files="b5" /> <star files="c6" /> <star files="c#6" /> <star files="d6" /> <star files="d#6" /> <star files="e6" /> <star files="f6" /> <star files="f#6" /> <star files="g6" /> <star files="g#6" /> <star files="a6" /> <star files="a#6" /> <star files="b6" /> </stars> 

 <?xml version="1.0"?> <level> <notes> <note delay="0.02f">d5</note> <note delay="0.05f">a6</note> <note delay="0.05f">d6</note> <note delay="0.05f">f#6</note> <note delay="0.02f">e5</note> <note delay="0.05f">a6</note> <note delay="0.05f">c#6</note> <note delay="0.05f">e6</note> <note delay="0.02f">d6</note> <note delay="0.05f">f#6</note> <note delay="0.05f">a6</note> <note delay="0.05f">d5</note> </notes> <positions> <position note="d5" x="5" y="35" /> <position note="a6" x="20" y="43" /> <position note="d6" x="40" y="50" /> <position note="f#6" x="55" y="45" /> <position note="e5" x="67" y="37" /> <position note="c#6" x="77" y="47" /> <position note="e6" x="90" y="50" /> </positions> </level> 

 package ru.habrahabr.songs_of_the_space.managers; import ru.habrahabr.songs_of_the_space.MyGame; import com.badlogic.gdx.Gdx; import com.badlogic.gdx.Screen; import com.badlogic.gdx.audio.Sound; import com.badlogic.gdx.graphics.GL20; import com.badlogic.gdx.graphics.g2d.TextureAtlas; import com.badlogic.gdx.scenes.scene2d.Stage; import com.badlogic.gdx.scenes.scene2d.ui.Label; import com.badlogic.gdx.scenes.scene2d.ui.Label.LabelStyle; import com.badlogic.gdx.scenes.scene2d.ui.Table; import com.badlogic.gdx.utils.viewport.ScreenViewport; public class LoaderScreen implements Screen { private MyGame game; private Stage stage; private Table table; private LabelStyle labelStyle; private Label label; public LoaderScreen(MyGame gam) { game = gam; //     game.manager.load("some/sounds", Sound.class); game.manager.load("some/textureatlas.pack", TextureAtlas.class); stage = new Stage(new ScreenViewport()); stage.addActor(game.background); game.getHandler().showAds(false); labelStyle = new LabelStyle(); labelStyle.font = game.levels; table = new Table(); table.setFillParent(true); label = new Label(game.langStr.get("Loading"), labelStyle); table.add(label); stage.addActor(table); } @Override public void render(float delta) { Gdx.gl.glClearColor(0, 0, 0, 1); Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT); stage.act(delta); stage.draw(); if (game.manager.update()) { game.setScreen(new MainMenuScreen(game)); dispose(); } } 

 game.manager.get("some/file.png", TextureAtlas.class); //  TextureAtlas     .           

बूट स्क्रीन

 java -cp gdx.jar:extensions/gdx-tools/gdx-tools.jar com.badlogic.gdx.tools.texturepacker.TexturePacker inputDir [outputDir] [packFileName] 

 starsAtlas = manager.get("images/stars/stars.pack", TextureAtlas.class); //    starsAtlas.findRegion("star1"), 

 Skin.get(String, Class<?>);