/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package meshviewer;

import javafx.animation.Animation;
import javafx.animation.KeyFrame;
import javafx.animation.KeyValue;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.*;
import javafx.scene.input.KeyEvent;
import javafx.scene.paint.Color;
import javafx.scene.paint.PhongMaterial;
import javafx.scene.shape.*;
import javafx.scene.transform.Rotate;
import javafx.stage.Stage;
import javafx.util.Duration;

public class DepthBufferTest extends Application {

    double anchorX, anchorY, anchorAngle;
    Group root;
    PointLight pointLight1, pointLight2;
    Shape3D meshViews[];
    PhongMaterial materialArr[];
    private Timeline timeline;

    private Group buildScene() {

        materialArr = new PhongMaterial[]{
            new PhongMaterial(Color.RED),
            new PhongMaterial(Color.YELLOW),
            new PhongMaterial(Color.BLUE)
        };

        meshViews = new Shape3D[]{
            new Cylinder(75, 200),
            new Cylinder(75, 200),
            new Cylinder(75, 200)
        };

        for (int i = 0; i < 3; i++) {
            meshViews[i].setMaterial(materialArr[i]);
            meshViews[i].setDrawMode(DrawMode.FILL);
            meshViews[i].setCullFace(CullFace.BACK);
        };

        meshViews[0].setTranslateX(500);
        meshViews[0].setTranslateY(400);

        meshViews[1].setTranslateX(600);
        meshViews[1].setTranslateY(500);

        meshViews[2].setTranslateX(700);
        meshViews[2].setTranslateY(600);

        pointLight1 = new PointLight(Color.ANTIQUEWHITE);
        pointLight1.setTranslateX(150);
        pointLight1.setTranslateY(-100);
        pointLight1.setTranslateZ(-1000);

        pointLight2 = new PointLight(Color.ANTIQUEWHITE);
        pointLight2.setTranslateX(-150);
        pointLight2.setTranslateY(-1000);
        pointLight2.setTranslateZ(1000);

        root = new Group();
//        root.getChildren().addAll(meshViews[0], meshViews[1], meshViews[2], pointLight1, pointLight2, rect);
        root.getChildren().addAll(meshViews[0], meshViews[1], meshViews[2], pointLight1, pointLight2);
        root.setTranslateZ(200);
        root.setRotationAxis(Rotate.Y_AXIS);

        root.setOnKeyTyped(new EventHandler<KeyEvent>() {
            @Override public void handle(KeyEvent e) {
                switch (e.getCharacter()) {
                    case "p":
                        if (timeline.getStatus() == Animation.Status.RUNNING) {
                            timeline.pause();
                        } else {
                            timeline.play();
                        }
                        break;
                }
            }
        });
        return root;
    }

    private PerspectiveCamera addCamera() {
        PerspectiveCamera perspectiveCamera = new PerspectiveCamera(false);
        return perspectiveCamera;
    }

    static final boolean depthBuffer = true;
    static final boolean useSubScene = true;

    @Override
    public void start(Stage primaryStage) {
        Group mainGroup = buildScene();
        Group root = new Group();
        if (useSubScene) {
            SubScene subScene = new SubScene(mainGroup, 800, 800, depthBuffer, depthBuffer);
            subScene.setCamera(addCamera());
            subScene.setFill(Color.PURPLE);
            root.getChildren().add(subScene);
        } else {
            root.getChildren().add(mainGroup);
        }
        Scene scene = new Scene(root, 1000, 1000, depthBuffer);
        scene.setFill(Color.rgb(10, 10, 40));
        scene.setCamera(addCamera());
        primaryStage.setTitle("Simple Depth Test Viewer");
        primaryStage.setScene(scene);
        primaryStage.show();

        mainGroup.requestFocus();
        KeyValue kv = new KeyValue (mainGroup.rotateProperty(), Float.valueOf(-360));
        KeyFrame kf = new KeyFrame(Duration.seconds(4), kv);
        timeline = new Timeline(kf);
        timeline.setCycleCount(Timeline.INDEFINITE);
//        timeline.play();
    }

    public static void main(String[] args) {
        System.setProperty("prism.dirtyopts", "false");
        launch(args);
    }
}