356c3b55cc
git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8930 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
439 lines
17 KiB
Java
439 lines
17 KiB
Java
/*
|
|
* Copyright (c) 2009-2010 jMonkeyEngine
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
package jme3test.terrain;
|
|
|
|
import com.jme3.app.SimpleApplication;
|
|
import com.jme3.collision.CollisionResult;
|
|
import com.jme3.collision.CollisionResults;
|
|
import com.jme3.font.BitmapText;
|
|
import com.jme3.input.KeyInput;
|
|
import com.jme3.input.MouseInput;
|
|
import com.jme3.input.controls.ActionListener;
|
|
import com.jme3.input.controls.KeyTrigger;
|
|
import com.jme3.input.controls.MouseButtonTrigger;
|
|
import com.jme3.light.AmbientLight;
|
|
import com.jme3.light.DirectionalLight;
|
|
import com.jme3.material.Material;
|
|
import com.jme3.material.RenderState.BlendMode;
|
|
import com.jme3.math.ColorRGBA;
|
|
import com.jme3.math.Ray;
|
|
import com.jme3.math.Vector2f;
|
|
import com.jme3.math.Vector3f;
|
|
import com.jme3.scene.Geometry;
|
|
import com.jme3.scene.debug.Arrow;
|
|
import com.jme3.scene.shape.Sphere;
|
|
import com.jme3.terrain.geomipmap.TerrainGrid;
|
|
import com.jme3.terrain.geomipmap.TerrainLodControl;
|
|
import com.jme3.terrain.geomipmap.TerrainQuad;
|
|
import com.jme3.terrain.geomipmap.lodcalc.DistanceLodCalculator;
|
|
import com.jme3.terrain.heightmap.AbstractHeightMap;
|
|
import com.jme3.terrain.heightmap.FractalHeightMapGrid;
|
|
import com.jme3.terrain.heightmap.ImageBasedHeightMap;
|
|
import com.jme3.texture.Texture;
|
|
import com.jme3.texture.Texture.WrapMode;
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
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;
|
|
|
|
/**
|
|
*
|
|
* @author Brent Owens
|
|
*/
|
|
public class TerrainTestModifyHeight extends SimpleApplication {
|
|
|
|
private TerrainQuad terrain;
|
|
Material matTerrain;
|
|
Material matWire;
|
|
boolean wireframe = true;
|
|
boolean triPlanar = false;
|
|
boolean wardiso = false;
|
|
boolean minnaert = false;
|
|
protected BitmapText hintText;
|
|
private float grassScale = 64;
|
|
private float dirtScale = 16;
|
|
private float rockScale = 128;
|
|
|
|
private boolean raiseTerrain = false;
|
|
private boolean lowerTerrain = false;
|
|
|
|
private Geometry marker;
|
|
private Geometry markerNormal;
|
|
|
|
public static void main(String[] args) {
|
|
TerrainTestModifyHeight app = new TerrainTestModifyHeight();
|
|
app.start();
|
|
}
|
|
|
|
@Override
|
|
public void simpleUpdate(float tpf){
|
|
Vector3f intersection = getWorldIntersection();
|
|
updateHintText(intersection);
|
|
|
|
if (raiseTerrain){
|
|
|
|
if (intersection != null) {
|
|
adjustHeight(intersection, 64, tpf * 60);
|
|
}
|
|
}else if (lowerTerrain){
|
|
if (intersection != null) {
|
|
adjustHeight(intersection, 64, -tpf * 60);
|
|
}
|
|
}
|
|
|
|
if (terrain != null && intersection != null) {
|
|
float h = terrain.getHeight(new Vector2f(intersection.x, intersection.z));
|
|
Vector3f tl = terrain.getWorldTranslation();
|
|
marker.setLocalTranslation(tl.add(new Vector3f(intersection.x, h, intersection.z)) );
|
|
markerNormal.setLocalTranslation(tl.add(new Vector3f(intersection.x, h, intersection.z)) );
|
|
|
|
Vector3f normal = terrain.getNormal(new Vector2f(intersection.x, intersection.z));
|
|
((Arrow)markerNormal.getMesh()).setArrowExtent(normal);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void simpleInitApp() {
|
|
loadHintText();
|
|
initCrossHairs();
|
|
setupKeys();
|
|
|
|
createMarker();
|
|
|
|
// WIREFRAME material
|
|
matWire = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
|
|
matWire.getAdditionalRenderState().setWireframe(true);
|
|
matWire.setColor("Color", ColorRGBA.Green);
|
|
|
|
createTerrain();
|
|
//createTerrainGrid();
|
|
|
|
DirectionalLight light = new DirectionalLight();
|
|
light.setDirection((new Vector3f(-0.5f, -1f, -0.5f)).normalize());
|
|
rootNode.addLight(light);
|
|
|
|
AmbientLight ambLight = new AmbientLight();
|
|
ambLight.setColor(new ColorRGBA(1f, 1f, 0.8f, 0.2f));
|
|
rootNode.addLight(ambLight);
|
|
|
|
cam.setLocation(new Vector3f(0, 256, 0));
|
|
cam.lookAtDirection(new Vector3f(0, -1f, 0).normalizeLocal(), Vector3f.UNIT_X);
|
|
}
|
|
|
|
public void loadHintText() {
|
|
hintText = new BitmapText(guiFont, false);
|
|
hintText.setLocalTranslation(0, getCamera().getHeight(), 0);
|
|
hintText.setText("Hit 1 to raise terrain, hit 2 to lower terrain");
|
|
guiNode.attachChild(hintText);
|
|
}
|
|
|
|
public void updateHintText(Vector3f target) {
|
|
int x = (int) getCamera().getLocation().x;
|
|
int y = (int) getCamera().getLocation().y;
|
|
int z = (int) getCamera().getLocation().z;
|
|
String targetText = "";
|
|
if (target!= null)
|
|
targetText = " intersect: "+target.toString();
|
|
hintText.setText("Press left mouse button to raise terrain, press right mouse button to lower terrain. " + x + "," + y + "," + z+targetText);
|
|
}
|
|
|
|
protected void initCrossHairs() {
|
|
BitmapText ch = new BitmapText(guiFont, false);
|
|
ch.setSize(guiFont.getCharSet().getRenderedSize() * 2);
|
|
ch.setText("+"); // crosshairs
|
|
ch.setLocalTranslation( // center
|
|
settings.getWidth() / 2 - guiFont.getCharSet().getRenderedSize() / 3 * 2,
|
|
settings.getHeight() / 2 + ch.getLineHeight() / 2, 0);
|
|
guiNode.attachChild(ch);
|
|
}
|
|
|
|
private void setupKeys() {
|
|
flyCam.setMoveSpeed(100);
|
|
inputManager.addMapping("wireframe", new KeyTrigger(KeyInput.KEY_T));
|
|
inputManager.addListener(actionListener, "wireframe");
|
|
inputManager.addMapping("Raise", new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
|
|
inputManager.addListener(actionListener, "Raise");
|
|
inputManager.addMapping("Lower", new MouseButtonTrigger(MouseInput.BUTTON_RIGHT));
|
|
inputManager.addListener(actionListener, "Lower");
|
|
}
|
|
private ActionListener actionListener = new ActionListener() {
|
|
|
|
public void onAction(String name, boolean pressed, float tpf) {
|
|
if (name.equals("wireframe") && !pressed) {
|
|
wireframe = !wireframe;
|
|
if (!wireframe) {
|
|
terrain.setMaterial(matWire);
|
|
} else {
|
|
terrain.setMaterial(matTerrain);
|
|
}
|
|
} else if (name.equals("Raise")) {
|
|
raiseTerrain = pressed;
|
|
} else if (name.equals("Lower")) {
|
|
lowerTerrain = pressed;
|
|
}
|
|
}
|
|
};
|
|
|
|
private void adjustHeight(Vector3f loc, float radius, float height) {
|
|
|
|
// offset it by radius because in the loop we iterate through 2 radii
|
|
int radiusStepsX = (int) (radius / terrain.getLocalScale().x);
|
|
int radiusStepsZ = (int) (radius / terrain.getLocalScale().z);
|
|
|
|
float xStepAmount = terrain.getLocalScale().x;
|
|
float zStepAmount = terrain.getLocalScale().z;
|
|
long start = System.currentTimeMillis();
|
|
List<Vector2f> locs = new ArrayList<Vector2f>();
|
|
List<Float> heights = new ArrayList<Float>();
|
|
|
|
for (int z = -radiusStepsZ; z < radiusStepsZ; z++) {
|
|
for (int x = -radiusStepsX; x < radiusStepsX; x++) {
|
|
|
|
float locX = loc.x + (x * xStepAmount);
|
|
float locZ = loc.z + (z * zStepAmount);
|
|
|
|
if (isInRadius(locX - loc.x, locZ - loc.z, radius)) {
|
|
// see if it is in the radius of the tool
|
|
float h = calculateHeight(radius, height, locX - loc.x, locZ - loc.z);
|
|
locs.add(new Vector2f(locX, locZ));
|
|
heights.add(h);
|
|
}
|
|
}
|
|
}
|
|
|
|
terrain.adjustHeight(locs, heights);
|
|
//System.out.println("Modified "+locs.size()+" points, took: " + (System.currentTimeMillis() - start)+" ms");
|
|
terrain.updateModelBound();
|
|
}
|
|
|
|
private boolean isInRadius(float x, float y, float radius) {
|
|
Vector2f point = new Vector2f(x, y);
|
|
// return true if the distance is less than equal to the radius
|
|
return point.length() <= radius;
|
|
}
|
|
|
|
private float calculateHeight(float radius, float heightFactor, float x, float z) {
|
|
// find percentage for each 'unit' in radius
|
|
Vector2f point = new Vector2f(x, z);
|
|
float val = point.length() / radius;
|
|
val = 1 - val;
|
|
if (val <= 0) {
|
|
val = 0;
|
|
}
|
|
return heightFactor * val;
|
|
}
|
|
|
|
private Vector3f getWorldIntersection() {
|
|
Vector3f origin = cam.getWorldCoordinates(new Vector2f(settings.getWidth() / 2, settings.getHeight() / 2), 0.0f);
|
|
Vector3f direction = cam.getWorldCoordinates(new Vector2f(settings.getWidth() / 2, settings.getHeight() / 2), 0.3f);
|
|
direction.subtractLocal(origin).normalizeLocal();
|
|
|
|
Ray ray = new Ray(origin, direction);
|
|
CollisionResults results = new CollisionResults();
|
|
int numCollisions = terrain.collideWith(ray, results);
|
|
if (numCollisions > 0) {
|
|
CollisionResult hit = results.getClosestCollision();
|
|
return hit.getContactPoint();
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private void createTerrain() {
|
|
// First, we load up our textures and the heightmap texture for the terrain
|
|
|
|
// TERRAIN TEXTURE material
|
|
matTerrain = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
|
|
matTerrain.setBoolean("useTriPlanarMapping", false);
|
|
matTerrain.setBoolean("WardIso", true);
|
|
|
|
// ALPHA map (for splat textures)
|
|
matTerrain.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
|
|
|
|
// GRASS texture
|
|
Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
|
|
grass.setWrap(WrapMode.Repeat);
|
|
matTerrain.setTexture("DiffuseMap", grass);
|
|
matTerrain.setFloat("DiffuseMap_0_scale", grassScale);
|
|
|
|
// DIRT texture
|
|
Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
|
|
dirt.setWrap(WrapMode.Repeat);
|
|
matTerrain.setTexture("DiffuseMap_1", dirt);
|
|
matTerrain.setFloat("DiffuseMap_1_scale", dirtScale);
|
|
|
|
// ROCK texture
|
|
Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
|
|
rock.setWrap(WrapMode.Repeat);
|
|
matTerrain.setTexture("DiffuseMap_2", rock);
|
|
matTerrain.setFloat("DiffuseMap_2_scale", rockScale);
|
|
|
|
// HEIGHTMAP image (for the terrain heightmap)
|
|
Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
|
|
AbstractHeightMap heightmap = null;
|
|
try {
|
|
heightmap = new ImageBasedHeightMap(heightMapImage.getImage(), 0.5f);
|
|
heightmap.load();
|
|
heightmap.smooth(0.9f, 1);
|
|
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
|
|
// CREATE THE TERRAIN
|
|
terrain = new TerrainQuad("terrain", 65, 513, heightmap.getHeightMap());
|
|
TerrainLodControl control = new TerrainLodControl(terrain, getCamera());
|
|
control.setLodCalculator( new DistanceLodCalculator(65, 2.7f) ); // patch size, and a multiplier
|
|
terrain.addControl(control);
|
|
terrain.setMaterial(matTerrain);
|
|
terrain.setLocalTranslation(0, -100, 0);
|
|
terrain.setLocalScale(2.5f, 0.5f, 2.5f);
|
|
rootNode.attachChild(terrain);
|
|
}
|
|
|
|
private void createTerrainGrid() {
|
|
|
|
// TERRAIN TEXTURE material
|
|
matTerrain = 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 = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
|
|
grass.setWrap(WrapMode.Repeat);
|
|
matTerrain.setTexture("region1ColorMap", grass);
|
|
matTerrain.setVector3("region1", new Vector3f(88, 200, this.grassScale));
|
|
|
|
// DIRT texture
|
|
Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
|
|
dirt.setWrap(WrapMode.Repeat);
|
|
matTerrain.setTexture("region2ColorMap", dirt);
|
|
matTerrain.setVector3("region2", new Vector3f(0, 90, this.dirtScale));
|
|
|
|
// ROCK texture
|
|
Texture rock = assetManager.loadTexture("Textures/Terrain/Rock2/rock.jpg");
|
|
rock.setWrap(WrapMode.Repeat);
|
|
matTerrain.setTexture("region3ColorMap", rock);
|
|
matTerrain.setVector3("region3", new Vector3f(198, 260, this.rockScale));
|
|
|
|
matTerrain.setTexture("region4ColorMap", rock);
|
|
matTerrain.setVector3("region4", new Vector3f(198, 260, this.rockScale));
|
|
|
|
matTerrain.setTexture("slopeColorMap", rock);
|
|
matTerrain.setFloat("slopeTileFactor", 32);
|
|
|
|
matTerrain.setFloat("terrainSize", 513);
|
|
|
|
FractalSum base = new FractalSum();
|
|
base.setRoughness(0.7f);
|
|
base.setFrequency(1.0f);
|
|
base.setAmplitude(1.0f);
|
|
base.setLacunarity(2.12f);
|
|
base.setOctaves(8);
|
|
base.setScale(0.02125f);
|
|
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(base);
|
|
|
|
PerturbFilter perturb = new PerturbFilter();
|
|
perturb.setMagnitude(0.119f);
|
|
|
|
OptimizedErode therm = new OptimizedErode();
|
|
therm.setRadius(5);
|
|
therm.setTalus(0.011f);
|
|
|
|
SmoothFilter smooth = new SmoothFilter();
|
|
smooth.setRadius(1);
|
|
smooth.setEffect(0.7f);
|
|
|
|
IterativeFilter iterate = new IterativeFilter();
|
|
iterate.addPreFilter(perturb);
|
|
iterate.addPostFilter(smooth);
|
|
iterate.setFilter(therm);
|
|
iterate.setIterations(1);
|
|
|
|
ground.addPreFilter(iterate);
|
|
|
|
this.terrain = new TerrainGrid("terrain", 65, 257, new FractalHeightMapGrid(ground, null, 256f));
|
|
|
|
|
|
terrain.setMaterial(matTerrain);
|
|
terrain.setLocalTranslation(0, 0, 0);
|
|
terrain.setLocalScale(2f, 1f, 2f);
|
|
|
|
rootNode.attachChild(this.terrain);
|
|
|
|
TerrainLodControl control = new TerrainLodControl(this.terrain, getCamera());
|
|
this.terrain.addControl(control);
|
|
}
|
|
|
|
private void createMarker() {
|
|
// collision marker
|
|
Sphere sphere = new Sphere(8, 8, 0.5f);
|
|
marker = new Geometry("Marker");
|
|
marker.setMesh(sphere);
|
|
|
|
Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
|
|
mat.setColor("Color", new ColorRGBA(251f/255f, 130f/255f, 0f, 0.6f));
|
|
mat.getAdditionalRenderState().setBlendMode(BlendMode.Alpha);
|
|
|
|
marker.setMaterial(mat);
|
|
rootNode.attachChild(marker);
|
|
|
|
|
|
// surface normal marker
|
|
Arrow arrow = new Arrow(new Vector3f(0,1,0));
|
|
markerNormal = new Geometry("MarkerNormal");
|
|
markerNormal.setMesh(arrow);
|
|
markerNormal.setMaterial(mat);
|
|
rootNode.attachChild(markerNormal);
|
|
}
|
|
}
|