A complete 3D game development suite written purely in Java.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
jmonkeyengine/engine/src/test/jme3test/terrain/TerrainFractalGridTest.java

274 lines
11 KiB

package jme3test.terrain;
import com.jme3.terrain.geomipmap.TerrainQuad;
import com.jme3.app.SimpleApplication;
import com.jme3.app.state.ScreenshotAppState;
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.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.terrain.geomipmap.TerrainGrid;
import com.jme3.terrain.geomipmap.TerrainGridListener;
import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.geomipmap.grid.FractalTileLoader;
import com.jme3.terrain.geomipmap.lodcalc.DistanceLodCalculator;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture.WrapMode;
import org.novyon.noise.ShaderUtils;
import org.novyon.noise.basis.FilteredBasis;
import org.novyon.noise.filter.IterativeFilter;
import org.novyon.noise.filter.OptimizedErode;
import org.novyon.noise.filter.PerturbFilter;
import org.novyon.noise.filter.SmoothFilter;
import org.novyon.noise.fractal.FractalSum;
import org.novyon.noise.modulator.NoiseModulator;
public class TerrainFractalGridTest extends SimpleApplication {
private Material mat_terrain;
private TerrainGrid terrain;
private float grassScale = 64;
private float dirtScale = 16;
private float rockScale = 128;
private boolean usePhysics = true;
public static void main(final String[] args) {
TerrainFractalGridTest app = new TerrainFractalGridTest();
app.start();
}
private CharacterControl player3;
private FractalSum base;
private PerturbFilter perturb;
private OptimizedErode therm;
private SmoothFilter smooth;
private IterativeFilter iterate;
@Override
public void simpleInitApp() {
this.flyCam.setMoveSpeed(100f);
ScreenshotAppState state = new ScreenshotAppState();
this.stateManager.attach(state);
// TERRAIN TEXTURE material
this.mat_terrain = new Material(this.assetManager, "Common/MatDefs/Terrain/HeightBasedTerrain.j3md");
// Parameters to material:
// regionXColorMap: X = 1..4 the texture that should be appliad to state X
// regionX: a Vector3f containing the following information:
// regionX.x: the start height of the region
// regionX.y: the end height of the region
// regionX.z: the texture scale for the region
// it might not be the most elegant way for storing these 3 values, but it packs the data nicely :)
// slopeColorMap: the texture to be used for cliffs, and steep mountain sites
// slopeTileFactor: the texture scale for slopes
// terrainSize: the total size of the terrain (used for scaling the texture)
// GRASS texture
Texture grass = this.assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
grass.setWrap(WrapMode.Repeat);
this.mat_terrain.setTexture("region1ColorMap", grass);
this.mat_terrain.setVector3("region1", new Vector3f(15, 200, this.grassScale));
// DIRT texture
Texture dirt = this.assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
dirt.setWrap(WrapMode.Repeat);
this.mat_terrain.setTexture("region2ColorMap", dirt);
this.mat_terrain.setVector3("region2", new Vector3f(0, 20, this.dirtScale));
// ROCK texture
Texture rock = this.assetManager.loadTexture("Textures/Terrain/Rock2/rock.jpg");
rock.setWrap(WrapMode.Repeat);
this.mat_terrain.setTexture("region3ColorMap", rock);
this.mat_terrain.setVector3("region3", new Vector3f(198, 260, this.rockScale));
this.mat_terrain.setTexture("region4ColorMap", rock);
this.mat_terrain.setVector3("region4", new Vector3f(198, 260, this.rockScale));
this.mat_terrain.setTexture("slopeColorMap", rock);
this.mat_terrain.setFloat("slopeTileFactor", 32);
this.mat_terrain.setFloat("terrainSize", 513);
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, 129, new FractalTileLoader(ground, null, 256f));
this.terrain.setMaterial(this.mat_terrain);
this.terrain.setLocalTranslation(0, 0, 0);
this.terrain.setLocalScale(2f, 1f, 2f);
this.rootNode.attachChild(this.terrain);
TerrainLodControl control = new TerrainLodControl(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, 300, 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, 512, cam.getLocation().z));
bulletAppState.getPhysicsSpace().add(player3);
terrain.addListener("physicsStartListener", new TerrainGridListener() {
public void gridMoved(Vector3f newCenter) {
}
public Material tileLoaded(Material material, Vector3f cell) {
return material;
}
public void tileAttached(Vector3f cell, TerrainQuad quad) {
//uncomment to create data for TerrainQuadGridTest
// try {
// BinaryExporter.getInstance().save(quad, new File("/Users/normenhansen/Documents/Code/jme3/engine/src/test-data/TerrainGrid/"
// + "testgrid_" + Math.round(cell.x) + "_" + Math.round(cell.y) + "_" + Math.round(cell.z) + ".j3o"));
// } catch (IOException ex) {
// Logger.getLogger(TerrainFractalGridTest.class.getName()).log(Level.SEVERE, null, ex);
// }
//workaround for bugged test j3o's
quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
bulletAppState.getPhysicsSpace().add(quad);
}
public void tileDetached(Vector3f cell, TerrainQuad quad) {
bulletAppState.getPhysicsSpace().remove(quad);
quad.removeControl(RigidBodyControl.class);
}
});
}
this.terrain.initialize(cam.getLocation());
this.initKeys();
}
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) {
TerrainFractalGridTest.this.left = true;
} else {
TerrainFractalGridTest.this.left = false;
}
} else if (name.equals("Rights")) {
if (keyPressed) {
TerrainFractalGridTest.this.right = true;
} else {
TerrainFractalGridTest.this.right = false;
}
} else if (name.equals("Ups")) {
if (keyPressed) {
TerrainFractalGridTest.this.up = true;
} else {
TerrainFractalGridTest.this.up = false;
}
} else if (name.equals("Downs")) {
if (keyPressed) {
TerrainFractalGridTest.this.down = true;
} else {
TerrainFractalGridTest.this.down = false;
}
} else if (name.equals("Jumps")) {
if (usePhysics) {
TerrainFractalGridTest.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());
}
}
}