feat: welcome screen

2 files changed, 220 insertions, 8 deletions

diff --git a/core/src/kz/ilotterytea/maxon/screens/WelcomeScreen.java b/core/src/kz/ilotterytea/maxon/screens/WelcomeScreen.java
new file mode 100644
index 0000000..34c75fd
--- /dev/null
+++ b/core/src/kz/ilotterytea/maxon/screens/WelcomeScreen.java
@@ -0,0 +1,218 @@
+package kz.ilotterytea.maxon.screens;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Screen;
+import com.badlogic.gdx.graphics.*;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.math.Intersector;
+import com.badlogic.gdx.math.Vector3;
+import com.badlogic.gdx.math.collision.BoundingBox;
+import com.badlogic.gdx.math.collision.Ray;
+import com.badlogic.gdx.scenes.scene2d.Action;
+import com.badlogic.gdx.scenes.scene2d.Stage;
+import com.badlogic.gdx.scenes.scene2d.actions.Actions;
+import com.badlogic.gdx.scenes.scene2d.actions.RepeatAction;
+import com.badlogic.gdx.scenes.scene2d.ui.Image;
+import com.badlogic.gdx.scenes.scene2d.ui.Label;
+import com.badlogic.gdx.scenes.scene2d.ui.Skin;
+import com.badlogic.gdx.scenes.scene2d.ui.Table;
+import com.badlogic.gdx.utils.Align;
+import com.badlogic.gdx.utils.viewport.ScreenViewport;
+import kz.ilotterytea.maxon.MaxonGame;
+import kz.ilotterytea.maxon.player.MaxonSavegame;
+import net.mgsx.gltf.scene3d.attributes.PBRCubemapAttribute;
+import net.mgsx.gltf.scene3d.attributes.PBRTextureAttribute;
+import net.mgsx.gltf.scene3d.lights.DirectionalShadowLight;
+import net.mgsx.gltf.scene3d.lights.PointLightEx;
+import net.mgsx.gltf.scene3d.scene.Scene;
+import net.mgsx.gltf.scene3d.scene.SceneAsset;
+import net.mgsx.gltf.scene3d.scene.SceneManager;
+import net.mgsx.gltf.scene3d.utils.IBLBuilder;
+
+import java.io.IOException;
+
+public class WelcomeScreen implements Screen {
+    private final MaxonGame game = MaxonGame.getInstance();
+
+    private Stage stage;
+
+    private PerspectiveCamera camera;
+    private SceneManager sceneManager;
+
+    private Image tintImage;
+
+    private BoundingBox collisionBox;
+
+    private boolean boxOpened = false;
+
+    @Override
+    public void show() {
+        // Setting up the scene
+        sceneManager = new SceneManager();
+
+        SceneAsset sceneAsset = game.assetManager.get("models/scenes/living_room.glb", SceneAsset.class);
+        Scene scene = new Scene(sceneAsset.scene);
+        sceneManager.addScene(scene);
+
+        SceneAsset boxAsset = game.assetManager.get("models/props/box.glb", SceneAsset.class);
+        Scene box = new Scene(boxAsset.scene);
+        box.modelInstance.transform.setTranslation(new Vector3(2.0f, 0.25f, 1.0f));
+        box.modelInstance.transform.rotate(Vector3.Y, 45);
+        box.modelInstance.transform.scale(2.0f, 2.0f, 2.0f);
+        sceneManager.addScene(box);
+
+        collisionBox = new BoundingBox(
+                new Vector3(-1f, 0.25f, -0.35f),
+                new Vector3(1f, 2.08f, 0.8f)
+        );
+
+        // Setting up 3D view
+        this.camera = new PerspectiveCamera(60f, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
+        camera.near = 1f;
+        camera.far = 300f;
+        camera.position.set(-3f, 2f, -0.3f);
+        camera.rotate(256f, 0f, 1f, 0f);
+
+        camera.update();
+
+        sceneManager.setCamera(camera);
+
+        // Setting up the lights
+        DirectionalShadowLight light = new DirectionalShadowLight(1024, 1024, 60f, 60f, 1f, 300f);
+        light.set(new Color(0xdcccffff), -1f, -0.8f, -0.2f);
+        light.intensity = 5f;
+        sceneManager.environment.add(light);
+        sceneManager.environment.shadowMap = light;
+
+        PointLightEx windowLight = new PointLightEx();
+        windowLight.set(Color.BLUE, new Vector3(-1.1f, 7.3f, 0.5f), 80f, 100f);
+
+        PointLightEx boxLight = new PointLightEx();
+        boxLight.set(Color.WHITE, new Vector3(-3f, 4f, -0.3f), 50f, 50f);
+
+        sceneManager.environment.add(windowLight, boxLight);
+
+        IBLBuilder iblBuilder = IBLBuilder.createOutdoor(light);
+        Cubemap diffuseCubemap = iblBuilder.buildIrradianceMap(256);
+        Cubemap specularCubemap = iblBuilder.buildRadianceMap(10);
+        iblBuilder.dispose();
+
+        Texture brdfLUT = new Texture(Gdx.files.classpath("net/mgsx/gltf/shaders/brdfLUT.png"));
+
+        sceneManager.setAmbientLight(1f);
+        sceneManager.environment.set(new PBRTextureAttribute(PBRTextureAttribute.BRDFLUTTexture, brdfLUT));
+        sceneManager.environment.set(PBRCubemapAttribute.createSpecularEnv(specularCubemap));
+        sceneManager.environment.set(PBRCubemapAttribute.createDiffuseEnv(diffuseCubemap));
+
+        // Setting up 2D UI
+        stage = new Stage(new ScreenViewport());
+        Skin skin = game.assetManager.get("sprites/gui/ui.skin", Skin.class);
+
+        Table table = new Table();
+        table.setFillParent(true);
+        table.align(Align.center | Align.bottom);
+
+        Table labelTable = new Table(skin);
+        labelTable.setBackground("bg");
+
+        Label label = new Label("Press the box to unpack...", skin);
+        labelTable.add(label).pad(25f, 35f, 25f, 35f);
+
+        labelTable.addAction(Actions.alpha(0.5f));
+        label.addAction(
+                Actions.repeat(
+                        RepeatAction.FOREVER,
+                        Actions.sequence(
+                                Actions.alpha(0.0f, 0.5f),
+                                Actions.delay(0.2f),
+                                Actions.alpha(1.0f, 0.5f),
+                                Actions.delay(0.2f)
+                        )
+                )
+        );
+
+        table.add(labelTable).padBottom(25f);
+
+        stage.addActor(table);
+
+        // Tint
+        TextureAtlas atlas = game.assetManager.get("sprites/gui/ui.atlas", TextureAtlas.class);
+        tintImage = new Image(atlas.findRegion("tile"));
+        tintImage.setFillParent(true);
+
+        tintImage.addAction(Actions.alpha(0.0f, 1.0f));
+
+        stage.addActor(tintImage);
+    }
+
+    @Override
+    public void render(float delta) {
+        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
+
+        sceneManager.update(delta);
+        sceneManager.render();
+
+        stage.act(delta);
+        stage.draw();
+
+        Ray ray = null;
+
+        if (Gdx.input.justTouched()) {
+            ray = camera.getPickRay(Gdx.input.getX(), Gdx.input.getY());
+        }
+
+        if (ray == null) {
+            return;
+        }
+
+        Vector3 intersection = new Vector3();
+
+        if (Intersector.intersectRayBounds(ray, collisionBox, intersection) && !boxOpened) {
+            boxOpened = true;
+            tintImage.addAction(
+                    Actions.sequence(
+                            Actions.alpha(1.0f, 0.5f),
+                            Actions.delay(1.0f),
+                            new Action() {
+                                @Override
+                                public boolean act(float delta) {
+                                    try {
+                                        game.setScreen(new GameScreen(game, new MaxonSavegame(), 0));
+                                    } catch (IOException | ClassNotFoundException e) {
+                                        throw new RuntimeException(e);
+                                    }
+                                    return true;
+                                }
+                            }
+                    )
+            );
+        }
+    }
+
+    @Override
+    public void resize(int width, int height) {
+        stage.getViewport().update(width, height, true);
+        sceneManager.updateViewport(width, height);
+    }
+
+    @Override
+    public void pause() {
+
+    }
+
+    @Override
+    public void resume() {
+
+    }
+
+    @Override
+    public void hide() {
+        dispose();
+    }
+
+    @Override
+    public void dispose() {
+        sceneManager.dispose();
+        stage.dispose();
+    }
+}
diff --git a/core/src/kz/ilotterytea/maxon/ui/SavegameWidget.java b/core/src/kz/ilotterytea/maxon/ui/SavegameWidget.java
index 04e7059..745602d 100644
--- a/core/src/kz/ilotterytea/maxon/ui/SavegameWidget.java
+++ b/core/src/kz/ilotterytea/maxon/ui/SavegameWidget.java
@@ -11,11 +11,9 @@ import com.badlogic.gdx.utils.Align;
 import com.badlogic.gdx.utils.Disposable;
 import kz.ilotterytea.maxon.MaxonGame;
 import kz.ilotterytea.maxon.player.MaxonSavegame;
-import kz.ilotterytea.maxon.screens.GameScreen;
+import kz.ilotterytea.maxon.screens.WelcomeScreen;
 import kz.ilotterytea.maxon.utils.formatters.NumberFormatter;
 
-import java.io.IOException;
-
 public class SavegameWidget extends Table implements Disposable {
     private final Skin skin;
     private MaxonSavegame savegame;
@@ -182,11 +180,7 @@ public class SavegameWidget extends Table implements Disposable {
                         new Action() {
                             @Override
                             public boolean act(float delta) {
-                                try {
-                                    game.setScreen(new GameScreen(game, savegame, 0));
-                                } catch (IOException | ClassNotFoundException e) {
-                                    throw new RuntimeException(e);
-                                }
+                                game.setScreen(new WelcomeScreen());
                                 return true;
                             }
                         }