package jme3test.terrain;
import com.jme3.app.SimpleApplication;
import com.jme3.app.state.ScreenshotAppState;
import com.jme3.asset.plugins.HttpZipLocator;
import com.jme3.asset.plugins.ZipLocator;
import com.jme3.bullet.BulletAppState;
import com.jme3.bullet.collision.shapes.CapsuleCollisionShape;
import com.jme3.bullet.collision.shapes.HeightfieldCollisionShape;
import com.jme3.bullet.control.CharacterControl;
import com.jme3.bullet.control.RigidBodyControl;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.light.AmbientLight;
import com.jme3.light.DirectionalLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Node;
import com.jme3.scene.Spatial;
import com.jme3.scene.debug.Arrow;
import com.jme3.terrain.geomipmap.TerrainGrid;
import com.jme3.terrain.geomipmap.TerrainGridListener;
import com.jme3.terrain.geomipmap.TerrainGridLodControl;
import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.geomipmap.TerrainQuad;
import com.jme3.terrain.geomipmap.grid.FractalTileLoader;
import com.jme3.terrain.geomipmap.lodcalc.DistanceLodCalculator;
import com.jme3.terrain.noise.ShaderUtils;
import com.jme3.terrain.noise.basis.FilteredBasis;
import com.jme3.terrain.noise.filter.IterativeFilter;
import com.jme3.terrain.noise.filter.OptimizedErode;
import com.jme3.terrain.noise.filter.PerturbFilter;
import com.jme3.terrain.noise.filter.SmoothFilter;
import com.jme3.terrain.noise.fractal.FractalSum;
import com.jme3.terrain.noise.modulator.NoiseModulator;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture.WrapMode;
import java.io.File;
public class TerrainGridAlphaMapTest extends SimpleApplication {
private TerrainGrid terrain;
private float grassScale = 64;
private float dirtScale = 16;
private float rockScale = 128;
private boolean usePhysics = false;
public static void main(final String[] args) {
TerrainGridAlphaMapTest app = new TerrainGridAlphaMapTest();
app.start();
}
private CharacterControl player3;
private FractalSum base;
private PerturbFilter perturb;
private OptimizedErode therm;
private SmoothFilter smooth;
private IterativeFilter iterate;
private Material material;
private Material matWire;
@Override
public void simpleInitApp() {
DirectionalLight sun = new DirectionalLight();
sun.setColor(ColorRGBA.White);
sun.setDirection(new Vector3f(-1, -1, -1).normalizeLocal());
rootNode.addLight(sun);
AmbientLight al = new AmbientLight();
al.setColor(ColorRGBA.White.mult(1.3f));
rootNode.addLight(al);
File file = new File("TerrainGridTestData.zip");
if (!file.exists()) {
assetManager.registerLocator("https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/jmonkeyengine/TerrainGridTestData.zip", HttpZipLocator.class);
} else {
assetManager.registerLocator("TerrainGridTestData.zip", ZipLocator.class);
}
this.flyCam.setMoveSpeed(100f);
ScreenshotAppState state = new ScreenshotAppState();
this.stateManager.attach(state);
// TERRAIN TEXTURE material
material = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
material.setBoolean("useTriPlanarMapping", false);
//material.setBoolean("isTerrainGrid", true);
material.setFloat("Shininess", 0.0f);
// GRASS texture
Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
grass.setWrap(WrapMode.Repeat);
material.setTexture("DiffuseMap", grass);
material.setFloat("DiffuseMap_0_scale", grassScale);
// DIRT texture
Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
dirt.setWrap(WrapMode.Repeat);
material.setTexture("DiffuseMap_1", dirt);
material.setFloat("DiffuseMap_1_scale", dirtScale);
// ROCK texture
Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
rock.setWrap(WrapMode.Repeat);
material.setTexture("DiffuseMap_2", rock);
material.setFloat("DiffuseMap_2_scale", rockScale);
// WIREFRAME material
matWire = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
matWire.getAdditionalRenderState().setWireframe(true);
matWire.setColor("Color", ColorRGBA.Green);
this.base = new FractalSum();
this.base.setRoughness(0.7f);
this.base.setFrequency(1.0f);
this.base.setAmplitude(1.0f);
this.base.setLacunarity(2.12f);
this.base.setOctaves(8);
this.base.setScale(0.02125f);
this.base.addModulator(new NoiseModulator() {
@Override
public float value(float... in) {
return ShaderUtils.clamp(in[0] * 0.5f + 0.5f, 0, 1);
}
});
FilteredBasis ground = new FilteredBasis(this.base);
this.perturb = new PerturbFilter();
this.perturb.setMagnitude(0.119f);
this.therm = new OptimizedErode();
this.therm.setRadius(5);
this.therm.setTalus(0.011f);
this.smooth = new SmoothFilter();
this.smooth.setRadius(1);
this.smooth.setEffect(0.7f);
this.iterate = new IterativeFilter();
this.iterate.addPreFilter(this.perturb);
this.iterate.addPostFilter(this.smooth);
this.iterate.setFilter(this.therm);
this.iterate.setIterations(1);
ground.addPreFilter(this.iterate);
this.terrain = new TerrainGrid("terrain", 33, 257, new FractalTileLoader(ground, 256));
this.terrain.setMaterial(this.material);
this.terrain.setLocalTranslation(0, 0, 0);
this.terrain.setLocalScale(2f, 1f, 2f);
this.rootNode.attachChild(this.terrain);
TerrainLodControl control = new TerrainGridLodControl(this.terrain, this.getCamera());
control.setLodCalculator( new DistanceLodCalculator(33, 2.7f) ); // patch size, and a multiplier
this.terrain.addControl(control);
final BulletAppState bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState);
this.getCamera().setLocation(new Vector3f(0, 256, 0));
this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
if (usePhysics) {
CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1);
player3 = new CharacterControl(capsuleShape, 0.5f);
player3.setJumpSpeed(20);
player3.setFallSpeed(10);
player3.setGravity(10);
player3.setPhysicsLocation(new Vector3f(cam.getLocation().x, 256, cam.getLocation().z));
bulletAppState.getPhysicsSpace().add(player3);
}
terrain.addListener(new TerrainGridListener() {
public void gridMoved(Vector3f newCenter) {
}
public void tileAttached(Vector3f cell, TerrainQuad quad) {
Texture alpha = null;
try {
alpha = assetManager.loadTexture("TerrainAlphaTest/alpha_" + (int)cell.x+ "_" + (int)cell.z + ".png");
} catch (Exception e) {
alpha = assetManager.loadTexture("TerrainAlphaTest/alpha_default.png");
}
quad.getMaterial().setTexture("AlphaMap", alpha);
if (usePhysics) {
quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
bulletAppState.getPhysicsSpace().add(quad);
}
updateMarkerElevations();
}
public void tileDetached(Vector3f cell, TerrainQuad quad) {
if (usePhysics) {
if (quad.getControl(RigidBodyControl.class) != null) {
bulletAppState.getPhysicsSpace().remove(quad);
quad.removeControl(RigidBodyControl.class);
}
}
updateMarkerElevations();
}
});
this.initKeys();
markers = new Node();
rootNode.attachChild(markers);
createMarkerPoints(1);
}
Node markers;
private void createMarkerPoints(float count) {
Node center = createAxisMarker(10);
markers.attachChild(center);
float xS = (count-1)*terrain.getTerrainSize() - (terrain.getTerrainSize()/2);
float zS = (count-1)*terrain.getTerrainSize() - (terrain.getTerrainSize()/2);
float xSi = xS;
float zSi = zS;
for (int x=0; x<count*2; x++) {
for (int z=0; z<count*2; z++) {
Node m = createAxisMarker(5);
m.setLocalTranslation(xSi, 0, zSi);
markers.attachChild(m);
zSi += terrain.getTerrainSize();
}
zSi = zS;
xSi += terrain.getTerrainSize();
}
}
private void updateMarkerElevations() {
for (Spatial s : markers.getChildren()) {
float h = terrain.getHeight(new Vector2f(s.getLocalTranslation().x, s.getLocalTranslation().z));
s.setLocalTranslation(s.getLocalTranslation().x, h+1, s.getLocalTranslation().z);
}
}
private void initKeys() {
// You can map one or several inputs to one named action
this.inputManager.addMapping("Lefts", new KeyTrigger(KeyInput.KEY_A));
this.inputManager.addMapping("Rights", new KeyTrigger(KeyInput.KEY_D));
this.inputManager.addMapping("Ups", new KeyTrigger(KeyInput.KEY_W));
this.inputManager.addMapping("Downs", new KeyTrigger(KeyInput.KEY_S));
this.inputManager.addMapping("Jumps", new KeyTrigger(KeyInput.KEY_SPACE));
this.inputManager.addListener(this.actionListener, "Lefts");
this.inputManager.addListener(this.actionListener, "Rights");
this.inputManager.addListener(this.actionListener, "Ups");
this.inputManager.addListener(this.actionListener, "Downs");
this.inputManager.addListener(this.actionListener, "Jumps");
}
private boolean left;
private boolean right;
private boolean up;
private boolean down;
private final ActionListener actionListener = new ActionListener() {
@Override
public void onAction(final String name, final boolean keyPressed, final float tpf) {
if (name.equals("Lefts")) {
if (keyPressed) {
TerrainGridAlphaMapTest.this.left = true;
} else {
TerrainGridAlphaMapTest.this.left = false;
}
} else if (name.equals("Rights")) {
if (keyPressed) {
TerrainGridAlphaMapTest.this.right = true;
} else {
TerrainGridAlphaMapTest.this.right = false;
}
} else if (name.equals("Ups")) {
if (keyPressed) {
TerrainGridAlphaMapTest.this.up = true;
} else {
TerrainGridAlphaMapTest.this.up = false;
}
} else if (name.equals("Downs")) {
if (keyPressed) {
TerrainGridAlphaMapTest.this.down = true;
} else {
TerrainGridAlphaMapTest.this.down = false;
}
} else if (name.equals("Jumps")) {
TerrainGridAlphaMapTest.this.player3.jump();
}
}
};
private final Vector3f walkDirection = new Vector3f();
@Override
public void simpleUpdate(final float tpf) {
Vector3f camDir = this.cam.getDirection().clone().multLocal(0.6f);
Vector3f camLeft = this.cam.getLeft().clone().multLocal(0.4f);
this.walkDirection.set(0, 0, 0);
if (this.left) {
this.walkDirection.addLocal(camLeft);
}
if (this.right) {
this.walkDirection.addLocal(camLeft.negate());
}
if (this.up) {
this.walkDirection.addLocal(camDir);
}
if (this.down) {
this.walkDirection.addLocal(camDir.negate());
}
if (usePhysics) {
this.player3.setWalkDirection(this.walkDirection);
this.cam.setLocation(this.player3.getPhysicsLocation());
}
}
protected Node createAxisMarker(float arrowSize) {
Material redMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
redMat.getAdditionalRenderState().setWireframe(true);
redMat.setColor("Color", ColorRGBA.Red);
Material greenMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
greenMat.getAdditionalRenderState().setWireframe(true);
greenMat.setColor("Color", ColorRGBA.Green);
Material blueMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
blueMat.getAdditionalRenderState().setWireframe(true);
blueMat.setColor("Color", ColorRGBA.Blue);
Node axis = new Node();
// create arrows
Geometry arrowX = new Geometry("arrowX", new Arrow(new Vector3f(arrowSize, 0, 0)));
arrowX.setMaterial(redMat);
Geometry arrowY = new Geometry("arrowY", new Arrow(new Vector3f(0, arrowSize, 0)));
arrowY.setMaterial(greenMat);
Geometry arrowZ = new Geometry("arrowZ", new Arrow(new Vector3f(0, 0, arrowSize)));
arrowZ.setMaterial(blueMat);
axis.attachChild(arrowX);
axis.attachChild(arrowY);
axis.attachChild(arrowZ);
//axis.setModelBound(new BoundingBox());
return axis;
}
}