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package jme3test.light;
import com.jme3.app.SimpleApplication;
import com.jme3.font.BitmapText;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.AnalogListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.light.AmbientLight;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.material.RenderState;
import com.jme3.math.ColorRGBA;
import com.jme3.math.FastMath;
import com.jme3.math.Quaternion;
import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f;
import com.jme3.post.FilterPostProcessor;
import com.jme3.post.ssao.SSAOFilter;
import com.jme3.renderer.queue.RenderQueue.ShadowMode;
import com.jme3.scene.Geometry;
import com.jme3.scene.Spatial;
import com.jme3.scene.shape.Box;
import com.jme3.scene.shape.Sphere;
import com.jme3.shadow.DirectionalLightShadowFilter;
import com.jme3.shadow.DirectionalLightShadowRenderer;
import com.jme3.shadow.EdgeFilteringMode;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture.WrapMode;
import com.jme3.util.SkyFactory;
import com.jme3.util.TangentBinormalGenerator;
public class TestDirectionalLightShadow extends SimpleApplication implements ActionListener, AnalogListener {
public static final int SHADOWMAP_SIZE = 1024;
private Spatial[] obj;
private Material[] mat;
private DirectionalLightShadowRenderer dlsr;
private DirectionalLightShadowFilter dlsf;
private Geometry ground;
private Material matGroundU;
private Material matGroundL;
private AmbientLight al;
public static void main(String[] args) {
TestDirectionalLightShadow app = new TestDirectionalLightShadow();
app.start();
}
private float frustumSize = 100;
public void onAnalog(String name, float value, float tpf) {
if (cam.isParallelProjection()) {
// Instead of moving closer/farther to object, we zoom in/out.
if (name.equals("Size-")) {
frustumSize += 5f * tpf;
} else {
frustumSize -= 5f * tpf;
}
float aspect = (float) cam.getWidth() / cam.getHeight();
cam.setFrustum(-1000, 1000, -aspect * frustumSize, aspect * frustumSize, frustumSize, -frustumSize);
}
}
public void loadScene() {
obj = new Spatial[2];
// Setup first view
mat = new Material[2];
mat[0] = assetManager.loadMaterial("Common/Materials/RedColor.j3m");
mat[1] = assetManager.loadMaterial("Textures/Terrain/Pond/Pond.j3m");
mat[1].setBoolean("UseMaterialColors", true);
mat[1].setColor("Ambient", ColorRGBA.White);
mat[1].setColor("Diffuse", ColorRGBA.White.clone());
obj[0] = new Geometry("sphere", new Sphere(30, 30, 2));
obj[0].setShadowMode(ShadowMode.CastAndReceive);
obj[1] = new Geometry("cube", new Box(1.0f, 1.0f, 1.0f));
obj[1].setShadowMode(ShadowMode.CastAndReceive);
TangentBinormalGenerator.generate(obj[1]);
TangentBinormalGenerator.generate(obj[0]);
Spatial t = obj[0].clone(false);
t.setLocalScale(10f);
t.setMaterial(mat[1]);
rootNode.attachChild(t);
t.setLocalTranslation(0, 25, 0);
for (int i = 0; i < 60; i++) {
t = obj[FastMath.nextRandomInt(0, obj.length - 1)].clone(false);
t.setLocalScale(FastMath.nextRandomFloat() * 10f);
t.setMaterial(mat[FastMath.nextRandomInt(0, mat.length - 1)]);
rootNode.attachChild(t);
t.setLocalTranslation(FastMath.nextRandomFloat() * 200f, FastMath.nextRandomFloat() * 30f + 20, 30f * (i + 2f));
}
Box b = new Box(1000, 2, 1000);
b.scaleTextureCoordinates(new Vector2f(10, 10));
ground = new Geometry("soil", b);
ground.setLocalTranslation(0, 10, 550);
matGroundU = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
matGroundU.setColor("Color", ColorRGBA.Green);
matGroundL = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
grass.setWrap(WrapMode.Repeat);
matGroundL.setTexture("DiffuseMap", grass);
ground.setMaterial(matGroundL);
ground.setShadowMode(ShadowMode.CastAndReceive);
rootNode.attachChild(ground);
l = new DirectionalLight();
//l.setDirection(new Vector3f(0.5973172f, -0.16583486f, 0.7846725f).normalizeLocal());
l.setDirection(new Vector3f(-1, -1, -1));
rootNode.addLight(l);
al = new AmbientLight();
al.setColor(ColorRGBA.White.mult(0.02f));
rootNode.addLight(al);
Spatial sky = SkyFactory.createSky(assetManager, "Scenes/Beach/FullskiesSunset0068.dds", false);
sky.setLocalScale(350);
rootNode.attachChild(sky);
}
DirectionalLight l;
@Override
public void simpleInitApp() {
// put the camera in a bad position
// cam.setLocation(new Vector3f(65.25412f, 44.38738f, 9.087874f));
// cam.setRotation(new Quaternion(0.078139365f, 0.050241485f, -0.003942559f, 0.9956679f));
cam.setLocation(new Vector3f(3.3720117f, 42.838284f, -83.43792f));
cam.setRotation(new Quaternion(0.13833192f, -0.08969371f, 0.012581267f, 0.9862358f));
flyCam.setMoveSpeed(100);
loadScene();
dlsr = new DirectionalLightShadowRenderer(assetManager, SHADOWMAP_SIZE, 3);
dlsr.setLight(l);
dlsr.setLambda(0.55f);
dlsr.setShadowIntensity(0.8f);
dlsr.setEdgeFilteringMode(EdgeFilteringMode.Nearest);
dlsr.displayDebug();
viewPort.addProcessor(dlsr);
dlsf = new DirectionalLightShadowFilter(assetManager, SHADOWMAP_SIZE, 3);
dlsf.setLight(l);
dlsf.setLambda(0.55f);
dlsf.setShadowIntensity(0.8f);
dlsf.setEdgeFilteringMode(EdgeFilteringMode.Nearest);
dlsf.setEnabled(false);
FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
fpp.addFilter(dlsf);
viewPort.addProcessor(fpp);
initInputs();
}
private void initInputs() {
inputManager.addMapping("ThicknessUp", new KeyTrigger(KeyInput.KEY_Y));
inputManager.addMapping("ThicknessDown", new KeyTrigger(KeyInput.KEY_H));
inputManager.addMapping("lambdaUp", new KeyTrigger(KeyInput.KEY_U));
inputManager.addMapping("lambdaDown", new KeyTrigger(KeyInput.KEY_J));
inputManager.addMapping("switchGroundMat", new KeyTrigger(KeyInput.KEY_M));
inputManager.addMapping("debug", new KeyTrigger(KeyInput.KEY_X));
inputManager.addMapping("stabilize", new KeyTrigger(KeyInput.KEY_B));
inputManager.addMapping("distance", new KeyTrigger(KeyInput.KEY_N));
inputManager.addMapping("up", new KeyTrigger(KeyInput.KEY_NUMPAD8));
inputManager.addMapping("down", new KeyTrigger(KeyInput.KEY_NUMPAD2));
inputManager.addMapping("right", new KeyTrigger(KeyInput.KEY_NUMPAD6));
inputManager.addMapping("left", new KeyTrigger(KeyInput.KEY_NUMPAD4));
inputManager.addMapping("fwd", new KeyTrigger(KeyInput.KEY_PGUP));
inputManager.addMapping("back", new KeyTrigger(KeyInput.KEY_PGDN));
inputManager.addMapping("pp", new KeyTrigger(KeyInput.KEY_P));
inputManager.addMapping("backShadows", new KeyTrigger(KeyInput.KEY_K));
inputManager.addListener(this, "lambdaUp", "lambdaDown", "ThicknessUp", "ThicknessDown",
"switchGroundMat", "debug", "up", "down", "right", "left", "fwd", "back", "pp", "stabilize", "distance", "ShadowUp", "ShadowDown", "backShadows");
ShadowTestUIManager uiMan = new ShadowTestUIManager(assetManager, dlsr, dlsf, guiNode, inputManager, viewPort);
inputManager.addListener(this, "Size+", "Size-");
inputManager.addMapping("Size+", new KeyTrigger(KeyInput.KEY_W));
inputManager.addMapping("Size-", new KeyTrigger(KeyInput.KEY_S));
shadowStabilizationText = new BitmapText(guiFont, false);
shadowStabilizationText.setSize(guiFont.getCharSet().getRenderedSize() * 0.75f);
shadowStabilizationText.setText("(b:on/off) Shadow stabilization : " + dlsr.isEnabledStabilization());
shadowStabilizationText.setLocalTranslation(10, viewPort.getCamera().getHeight() - 100, 0);
guiNode.attachChild(shadowStabilizationText);
shadowZfarText = new BitmapText(guiFont, false);
shadowZfarText.setSize(guiFont.getCharSet().getRenderedSize() * 0.75f);
shadowZfarText.setText("(n:on/off) Shadow extend to 500 and fade to 50 : " + (dlsr.getShadowZExtend() > 0));
shadowZfarText.setLocalTranslation(10, viewPort.getCamera().getHeight() - 120, 0);
guiNode.attachChild(shadowZfarText);
}
private BitmapText shadowStabilizationText;
private BitmapText shadowZfarText;
public void onAction(String name, boolean keyPressed, float tpf) {
if (name.equals("pp") && keyPressed) {
if (cam.isParallelProjection()) {
cam.setFrustumPerspective(45, (float) cam.getWidth() / cam.getHeight(), 1, 1000);
} else {
cam.setParallelProjection(true);
float aspect = (float) cam.getWidth() / cam.getHeight();
cam.setFrustum(-1000, 1000, -aspect * frustumSize, aspect * frustumSize, frustumSize, -frustumSize);
}
}
if (name.equals("lambdaUp") && keyPressed) {
dlsr.setLambda(dlsr.getLambda() + 0.01f);
dlsf.setLambda(dlsr.getLambda() + 0.01f);
System.out.println("Lambda : " + dlsr.getLambda());
} else if (name.equals("lambdaDown") && keyPressed) {
dlsr.setLambda(dlsr.getLambda() - 0.01f);
dlsf.setLambda(dlsr.getLambda() - 0.01f);
System.out.println("Lambda : " + dlsr.getLambda());
}
if ((name.equals("ShadowUp") || name.equals("ShadowDown")) && keyPressed) {
al.setColor(ColorRGBA.White.mult((1 - dlsr.getShadowIntensity()) * 0.2f));
}
if (name.equals("debug") && keyPressed) {
dlsr.displayFrustum();
}
if (name.equals("backShadows") && keyPressed) {
dlsr.setRenderBackFacesShadows(!dlsr.isRenderBackFacesShadows());
dlsf.setRenderBackFacesShadows(!dlsf.isRenderBackFacesShadows());
}
if (name.equals("stabilize") && keyPressed) {
dlsr.setEnabledStabilization(!dlsr.isEnabledStabilization());
dlsf.setEnabledStabilization(!dlsf.isEnabledStabilization());
shadowStabilizationText.setText("(b:on/off) Shadow stabilization : " + dlsr.isEnabledStabilization());
}
if (name.equals("distance") && keyPressed) {
if (dlsr.getShadowZExtend() > 0) {
dlsr.setShadowZExtend(0);
dlsr.setShadowZFadeLength(0);
dlsf.setShadowZExtend(0);
dlsf.setShadowZFadeLength(0);
} else {
dlsr.setShadowZExtend(500);
dlsr.setShadowZFadeLength(50);
dlsf.setShadowZExtend(500);
dlsf.setShadowZFadeLength(50);
}
shadowZfarText.setText("(n:on/off) Shadow extend to 500 and fade to 50 : " + (dlsr.getShadowZExtend() > 0));
}
if (name.equals("switchGroundMat") && keyPressed) {
if (ground.getMaterial() == matGroundL) {
ground.setMaterial(matGroundU);
} else {
ground.setMaterial(matGroundL);
}
}
if (name.equals("up")) {
up = keyPressed;
}
if (name.equals("down")) {
down = keyPressed;
}
if (name.equals("right")) {
right = keyPressed;
}
if (name.equals("left")) {
left = keyPressed;
}
if (name.equals("fwd")) {
fwd = keyPressed;
}
if (name.equals("back")) {
back = keyPressed;
}
}
boolean up = false;
boolean down = false;
boolean left = false;
boolean right = false;
boolean fwd = false;
boolean back = false;
float time = 0;
float s = 1f;
@Override
public void simpleUpdate(float tpf) {
if (up) {
Vector3f v = l.getDirection();
v.y += tpf / s;
setDir(v);
}
if (down) {
Vector3f v = l.getDirection();
v.y -= tpf / s;
setDir(v);
}
if (right) {
Vector3f v = l.getDirection();
v.x += tpf / s;
setDir(v);
}
if (left) {
Vector3f v = l.getDirection();
v.x -= tpf / s;
setDir(v);
}
if (fwd) {
Vector3f v = l.getDirection();
v.z += tpf / s;
setDir(v);
}
if (back) {
Vector3f v = l.getDirection();
v.z -= tpf / s;
setDir(v);
}
}
private void setDir(Vector3f v) {
l.setDirection(v);
}
}