/*
 * Copyright (c) 2009-2020 jMonkeyEngine
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package jme3test.water;

import com.jme3.app.SimpleApplication;
import com.jme3.asset.plugins.HttpZipLocator;
import com.jme3.asset.plugins.ZipLocator;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.*;
import com.jme3.renderer.queue.RenderQueue.ShadowMode;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.Spatial;
import com.jme3.scene.shape.RectangleMesh;
import com.jme3.scene.shape.Sphere;
import com.jme3.util.SkyFactory;
import com.jme3.water.SimpleWaterProcessor;
import java.io.File;

public class TestSceneWater extends SimpleApplication {

    // set default for applets
    private static boolean useHttp = false;

    public static void main(String[] args) {
      
        TestSceneWater app = new TestSceneWater();
        app.start();
    }

    @Override
    public void simpleInitApp() {
        File file = new File("wildhouse.zip");
        if (!file.exists()) {
            useHttp = true;
        }
        
        this.flyCam.setMoveSpeed(10);
        Node mainScene=new Node();
        cam.setLocation(new Vector3f(-27.0f, 1.0f, 75.0f));
        cam.setRotation(new Quaternion(0.03f, 0.9f, 0f, 0.4f));

        // load sky
        mainScene.attachChild(SkyFactory.createSky(assetManager, 
                "Textures/Sky/Bright/BrightSky.dds", 
                SkyFactory.EnvMapType.CubeMap));

                
        // create the geometry and attach it
        // load the level from zip or http zip
        if (useHttp) {
            assetManager.registerLocator("https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/jmonkeyengine/wildhouse.zip", HttpZipLocator.class);
        } else {
            assetManager.registerLocator("wildhouse.zip", ZipLocator.class);
        }
        Spatial scene = assetManager.loadModel("main.scene");

        DirectionalLight sun = new DirectionalLight();
        Vector3f lightDir=new Vector3f(-0.37352666f, -0.50444174f, -0.7784704f);
        sun.setDirection(lightDir);
        sun.setColor(ColorRGBA.White.clone().multLocal(2));
        scene.addLight(sun);

        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
        mat.setTexture("ColorMap", assetManager.loadTexture("Interface/Logo/Monkey.jpg"));
           //add lightPos Geometry
        Sphere lite=new Sphere(8, 8, 3.0f);
        Geometry lightSphere=new Geometry("lightsphere", lite);
        lightSphere.setMaterial(mat);
        Vector3f lightPos=lightDir.multLocal(-400);
        lightSphere.setLocalTranslation(lightPos);
        rootNode.attachChild(lightSphere);


        SimpleWaterProcessor waterProcessor = new SimpleWaterProcessor(assetManager);
        waterProcessor.setReflectionScene(mainScene);
        waterProcessor.setDebug(false);
        waterProcessor.setLightPosition(lightPos);
        waterProcessor.setRefractionClippingOffset(1.0f);


        //setting the water plane
        Vector3f waterLocation=new Vector3f(0,-20,0);
        waterProcessor.setPlane(new Plane(Vector3f.UNIT_Y, waterLocation.dot(Vector3f.UNIT_Y)));
        WaterUI waterUi=new WaterUI(inputManager, waterProcessor);
        waterProcessor.setWaterColor(ColorRGBA.Brown);
        waterProcessor.setDebug(true);
        //lower render size for higher performance
//        waterProcessor.setRenderSize(128,128);
        //raise depth to see through water
//        waterProcessor.setWaterDepth(20);
        //lower the distortion scale if the waves appear too strong
//        waterProcessor.setDistortionScale(0.1f);
        //lower the speed of the waves if they are too fast
//        waterProcessor.setWaveSpeed(0.01f);

        RectangleMesh rect = new RectangleMesh(
                new Vector3f(-200, -20, 250),
                new Vector3f(200, -20, 250),
                new Vector3f(-200, -20, -150));

        //the texture coordinates define the general size of the waves
        rect.scaleTextureCoordinates(new Vector2f(6f, 6f));

        Geometry water = new Geometry("water", rect);
        water.setShadowMode(ShadowMode.Receive);
        water.setMaterial(waterProcessor.getMaterial());

        rootNode.attachChild(water);

        viewPort.addProcessor(waterProcessor);

        mainScene.attachChild(scene);
        rootNode.attachChild(mainScene);
    }
}
