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.DirectionalLight;
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.TerrainGridLodControl;
import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.geomipmap.TerrainQuad;
import com.jme3.terrain.geomipmap.grid.ImageTileLoader;
import com.jme3.terrain.geomipmap.lodcalc.DistanceLodCalculator;
import com.jme3.terrain.heightmap.Namer;
import com.jme3.texture.Texture;
import com.jme3.texture.Texture.WrapMode;
import java.io.File;
public class TerrainGridTest extends SimpleApplication {
private Material mat_terrain;
private TerrainGrid terrain;
private float grassScale = 64;
private float dirtScale = 16;
private float rockScale = 128;
private boolean usePhysics = false;
private boolean physicsAdded = false;
public static void main(final String[] args) {
TerrainGridTest app = new TerrainGridTest();
app.start();
}
private CharacterControl player3;
@Override
public void simpleInitApp() {
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
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(88, 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, 90, 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", 129);
this.terrain = new TerrainGrid("terrain", 65, 257, new ImageTileLoader(assetManager, new Namer() {
public String getName(int x, int y) {
return "Scenes/TerrainMountains/terrain_" + x + "_" + y + ".png";
}
}));
this.terrain.setMaterial(mat_terrain);
this.terrain.setLocalTranslation(0, 0, 0);
this.terrain.setLocalScale(1f, 1f, 1f);
this.rootNode.attachChild(this.terrain);
TerrainLodControl control = new TerrainGridLodControl(this.terrain, getCamera());
control.setLodCalculator( new DistanceLodCalculator(65, 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, 400, 0));
this.getCamera().lookAt(new Vector3f(0,0,0), Vector3f.UNIT_Y);
this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
DirectionalLight light = new DirectionalLight();
light.setDirection((new Vector3f(-0.5f, -1f, -0.5f)).normalize());
rootNode.addLight(light);
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) {
while(quad.getControl(RigidBodyControl.class)!=null){
quad.removeControl(RigidBodyControl.class);
}
quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
bulletAppState.getPhysicsSpace().add(quad);
}
public void tileDetached(Vector3f cell, TerrainQuad quad) {
if (quad.getControl(RigidBodyControl.class) != null) {
bulletAppState.getPhysicsSpace().remove(quad);
quad.removeControl(RigidBodyControl.class);
}
}
});
}
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) {
TerrainGridTest.this.left = true;
} else {
TerrainGridTest.this.left = false;
}
} else if (name.equals("Rights")) {
if (keyPressed) {
TerrainGridTest.this.right = true;
} else {
TerrainGridTest.this.right = false;
}
} else if (name.equals("Ups")) {
if (keyPressed) {
TerrainGridTest.this.up = true;
} else {
TerrainGridTest.this.up = false;
}
} else if (name.equals("Downs")) {
if (keyPressed) {
TerrainGridTest.this.down = true;
} else {
TerrainGridTest.this.down = false;
}
} else if (name.equals("Jumps")) {
TerrainGridTest.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());
}
}
}