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+package jme3test.terrain;
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+
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+import com.jme3.app.SimpleApplication;
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+import com.jme3.app.state.ScreenshotAppState;
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+import com.jme3.asset.plugins.HttpZipLocator;
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+import com.jme3.asset.plugins.ZipLocator;
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+import com.jme3.bullet.BulletAppState;
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+import com.jme3.bullet.collision.shapes.CapsuleCollisionShape;
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+import com.jme3.bullet.collision.shapes.HeightfieldCollisionShape;
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+import com.jme3.bullet.control.CharacterControl;
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+import com.jme3.bullet.control.RigidBodyControl;
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+import com.jme3.input.KeyInput;
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+import com.jme3.input.controls.ActionListener;
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+import com.jme3.input.controls.KeyTrigger;
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+import com.jme3.material.Material;
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+import com.jme3.math.ColorRGBA;
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+import com.jme3.math.Vector3f;
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+import com.jme3.terrain.geomipmap.TerrainGrid;
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+import com.jme3.terrain.geomipmap.TerrainGridListener;
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+import com.jme3.terrain.geomipmap.TerrainLodControl;
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+import com.jme3.terrain.geomipmap.TerrainQuad;
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+import com.jme3.terrain.geomipmap.grid.AssetQuadGrid;
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+import com.jme3.terrain.geomipmap.lodcalc.DistanceLodCalculator;
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+import com.jme3.texture.Texture;
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+import com.jme3.texture.Texture.WrapMode;
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+import java.io.File;
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+
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+public class TerrainQuadGridTest extends SimpleApplication {
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+
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+ private Material mat_terrain;
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+ private TerrainGrid terrain;
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+ private float grassScale = 64;
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+ private float dirtScale = 16;
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+ private float rockScale = 128;
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+ private boolean usePhysics = true;
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+ private boolean physicsAdded = false;
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+
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+ public static void main(final String[] args) {
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+ TerrainQuadGridTest app = new TerrainQuadGridTest();
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+ app.start();
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+ }
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+ private CharacterControl player3;
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+
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+ @Override
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+ public void simpleInitApp() {
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+ File file = new File("mountains.zip");
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+ if (!file.exists()) {
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+ assetManager.registerLocator("http://jmonkeyengine.googlecode.com/files/mountains.zip", HttpZipLocator.class);
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+ } else {
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+ assetManager.registerLocator("mountains.zip", ZipLocator.class);
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+ }
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+
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+ this.flyCam.setMoveSpeed(100f);
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+ ScreenshotAppState state = new ScreenshotAppState();
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+ this.stateManager.attach(state);
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+
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+ // TERRAIN TEXTURE material
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+ this.mat_terrain = new Material(this.assetManager, "Common/MatDefs/Terrain/HeightBasedTerrain.j3md");
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+
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+ // Parameters to material:
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+ // regionXColorMap: X = 1..4 the texture that should be appliad to state X
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+ // regionX: a Vector3f containing the following information:
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+ // regionX.x: the start height of the region
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+ // regionX.y: the end height of the region
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+ // regionX.z: the texture scale for the region
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+ // it might not be the most elegant way for storing these 3 values, but it packs the data nicely :)
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+ // slopeColorMap: the texture to be used for cliffs, and steep mountain sites
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+ // slopeTileFactor: the texture scale for slopes
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+ // terrainSize: the total size of the terrain (used for scaling the texture)
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+ // GRASS texture
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+ Texture grass = this.assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
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+ grass.setWrap(WrapMode.Repeat);
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+ this.mat_terrain.setTexture("region1ColorMap", grass);
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+ this.mat_terrain.setVector3("region1", new Vector3f(88, 200, this.grassScale));
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+
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+ // DIRT texture
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+ Texture dirt = this.assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
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+ dirt.setWrap(WrapMode.Repeat);
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+ this.mat_terrain.setTexture("region2ColorMap", dirt);
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+ this.mat_terrain.setVector3("region2", new Vector3f(0, 90, this.dirtScale));
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+
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+ // ROCK texture
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+ Texture rock = this.assetManager.loadTexture("Textures/Terrain/Rock2/rock.jpg");
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+ rock.setWrap(WrapMode.Repeat);
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+ this.mat_terrain.setTexture("region3ColorMap", rock);
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+ this.mat_terrain.setVector3("region3", new Vector3f(198, 260, this.rockScale));
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+
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+ this.mat_terrain.setTexture("region4ColorMap", rock);
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+ this.mat_terrain.setVector3("region4", new Vector3f(198, 260, this.rockScale));
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+
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+ this.mat_terrain.setTexture("slopeColorMap", rock);
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+ this.mat_terrain.setFloat("slopeTileFactor", 32);
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+
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+ this.mat_terrain.setFloat("terrainSize", 129);
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+//quad.getHeightMap(), terrain.getLocalScale()), 0
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+ AssetQuadGrid grid = new AssetQuadGrid(assetManager, "testgrid", "TerrainGrid");
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+ this.terrain = new TerrainGrid("terrain", 33, 129, grid);
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+
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+ this.terrain.setMaterial(this.mat_terrain);
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+ this.terrain.setLocalTranslation(0, 0, 0);
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+ this.terrain.setLocalScale(2f, 1f, 2f);
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+ this.rootNode.attachChild(this.terrain);
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+
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+ TerrainLodControl control = new TerrainLodControl(this.terrain, getCamera());
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+ control.setLodCalculator( new DistanceLodCalculator(65, 2.7f) ); // patch size, and a multiplier
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+ this.terrain.addControl(control);
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+
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+ final BulletAppState bulletAppState = new BulletAppState();
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+ stateManager.attach(bulletAppState);
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+
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+ this.getCamera().setLocation(new Vector3f(0, 256, 0));
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+
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+ this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
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+
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+ if (usePhysics) {
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+ CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1);
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+ player3 = new CharacterControl(capsuleShape, 0.5f);
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+ player3.setJumpSpeed(20);
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+ player3.setFallSpeed(10);
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+ player3.setGravity(10);
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+
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+ player3.setPhysicsLocation(new Vector3f(cam.getLocation().x, 256, cam.getLocation().z));
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+
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+ bulletAppState.getPhysicsSpace().add(player3);
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+
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+ terrain.addListener("physicsStartListener", new TerrainGridListener() {
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+
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+ public void gridMoved(Vector3f newCenter) {
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+ }
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+
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+ public Material tileLoaded(Material material, Vector3f cell) {
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+ return material;
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+ }
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+
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+ public void tileAttached(Vector3f cell, TerrainQuad quad) {
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+ quad.addControl(new RigidBodyControl(new HeightfieldCollisionShape(quad.getHeightMap(), terrain.getLocalScale()), 0));
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+ bulletAppState.getPhysicsSpace().add(quad);
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+ }
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+
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+ public void tileDetached(Vector3f cell, TerrainQuad quad) {
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+ bulletAppState.getPhysicsSpace().remove(quad);
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+ quad.removeControl(RigidBodyControl.class);
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+ }
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+
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+ });
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+ }
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+ this.terrain.initialize(cam.getLocation());
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+ this.initKeys();
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+ }
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+
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+ private void initKeys() {
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+ // You can map one or several inputs to one named action
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+ this.inputManager.addMapping("Lefts", new KeyTrigger(KeyInput.KEY_A));
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+ this.inputManager.addMapping("Rights", new KeyTrigger(KeyInput.KEY_D));
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+ this.inputManager.addMapping("Ups", new KeyTrigger(KeyInput.KEY_W));
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+ this.inputManager.addMapping("Downs", new KeyTrigger(KeyInput.KEY_S));
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+ this.inputManager.addMapping("Jumps", new KeyTrigger(KeyInput.KEY_SPACE));
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+ this.inputManager.addListener(this.actionListener, "Lefts");
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+ this.inputManager.addListener(this.actionListener, "Rights");
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+ this.inputManager.addListener(this.actionListener, "Ups");
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+ this.inputManager.addListener(this.actionListener, "Downs");
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+ this.inputManager.addListener(this.actionListener, "Jumps");
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+ }
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+ private boolean left;
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+ private boolean right;
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+ private boolean up;
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+ private boolean down;
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+ private final ActionListener actionListener = new ActionListener() {
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+
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+ @Override
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+ public void onAction(final String name, final boolean keyPressed, final float tpf) {
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+ if (name.equals("Lefts")) {
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+ if (keyPressed) {
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+ TerrainQuadGridTest.this.left = true;
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+ } else {
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+ TerrainQuadGridTest.this.left = false;
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+ }
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+ } else if (name.equals("Rights")) {
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+ if (keyPressed) {
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+ TerrainQuadGridTest.this.right = true;
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+ } else {
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+ TerrainQuadGridTest.this.right = false;
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+ }
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+ } else if (name.equals("Ups")) {
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+ if (keyPressed) {
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+ TerrainQuadGridTest.this.up = true;
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+ } else {
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+ TerrainQuadGridTest.this.up = false;
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+ }
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+ } else if (name.equals("Downs")) {
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+ if (keyPressed) {
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+ TerrainQuadGridTest.this.down = true;
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+ } else {
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+ TerrainQuadGridTest.this.down = false;
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+ }
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+ } else if (name.equals("Jumps")) {
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+ TerrainQuadGridTest.this.player3.jump();
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+ }
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+ }
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+ };
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+ private final Vector3f walkDirection = new Vector3f();
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+
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+ @Override
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+ public void simpleUpdate(final float tpf) {
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+ Vector3f camDir = this.cam.getDirection().clone().multLocal(0.6f);
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+ Vector3f camLeft = this.cam.getLeft().clone().multLocal(0.4f);
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+ this.walkDirection.set(0, 0, 0);
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+ if (this.left) {
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+ this.walkDirection.addLocal(camLeft);
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+ }
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+ if (this.right) {
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+ this.walkDirection.addLocal(camLeft.negate());
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+ }
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+ if (this.up) {
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+ this.walkDirection.addLocal(camDir);
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+ }
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+ if (this.down) {
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+ this.walkDirection.addLocal(camDir.negate());
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+ }
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+
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+ if (usePhysics) {
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+ this.player3.setWalkDirection(this.walkDirection);
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+ this.cam.setLocation(this.player3.getPhysicsLocation());
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+ }
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+ }
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+}
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nor..67