com.jme3.terrain.geomipmap.TerrainLodControl Java Examples

@Override
protected Sheet createSheet() {
    Sheet sheet = super.createSheet();
    Sheet.Set set = Sheet.createPropertiesSet();
    set.setDisplayName("TerrainLodControl");
    set.setName(TerrainLodControl.class.getName());
    TerrainLodControl obj = terrainLodControl;
    if (obj == null) {
        return sheet;
    }
    
    set.put(makeProperty(obj, boolean.class, "isEnabled", "setEnabled", "Enabled"));

    sheet.put(set);
    return sheet;

}
 

/**
 * Re-attach the camera to the LOD control.
 * Called when the scene is opened and will only
 * update the control if there is already a terrain present in
 * the scene.
 */
public static void enableLodControl(Camera camera, Node rootNode) {
    
    Terrain terrain = (Terrain) findTerrain(rootNode);
    if (terrain == null)
        return;
    
    TerrainLodControl control = ((Spatial)terrain).getControl(TerrainLodControl.class);
    if (control != null) {
        control.setCamera(camera);
    }
}
 

public JmeTerrainLodControl(TerrainLodControl control, Children children) {
    super(children);
    getLookupContents().add(control);
    getLookupContents().add(this);
    this.terrainLodControl = control;
    setName("TerrainLodControl");
}
 

@Override
public org.openide.nodes.Node[] createNodes(Object key, DataObject key2, boolean cookie) {
    TerrainLodControlChildren children = new TerrainLodControlChildren((TerrainLodControl) key);
    children.setReadOnly(cookie);
    children.setDataObject(key2);
    return new org.openide.nodes.Node[]{new JmeTerrainLodControl((TerrainLodControl) key, children).setReadOnly(cookie)};
}
 

public JmeDistanceLodCalculator(TerrainLodControl lodControl, DistanceLodCalculator lodCalculator, DataObject dataObject) {
    super(Children.LEAF);
    this.lodControl=lodControl;
    this.lodCalculator = lodCalculator;
    this.dataObject = dataObject;
    getLookupContents().add(lodCalculator);
    getLookupContents().add(this);
    setName("DistanceLodCalculator");
}
 

@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, 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 TerrainGridLodControl(this.terrain, this.getCamera());
    control.setLodCalculator(new DistanceLodCalculator(33, 2.7f)); // patch size, and a multiplier
    this.terrain.addControl(control);



    this.getCamera().setLocation(new Vector3f(0, 300, 0));
    cam.setRotation(new Quaternion(0.51176f, -0.14f, 0.085f, 0.84336f));

    this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));

    
}
 

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 FractalTileLoader(ground, 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);
}
 

@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, 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 TerrainGridLodControl(this.terrain, this.getCamera());
    control.setLodCalculator(new DistanceLodCalculator(33, 2.7f)); // patch size, and a multiplier
    this.terrain.addControl(control);



    this.getCamera().setLocation(new Vector3f(0, 300, 0));

    this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));

    
}
 

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 FractalTileLoader(ground, 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);
}
 

protected Spatial doCreateTerrain(Node parent,
                                   int totalSize,
                                   int patchSize,
                                   int alphaTextureSize,
                                   float[] heightmapData,
                                   String sceneName,
                                   org.openide.nodes.Node selectedNode) throws IOException
   {
       final ProjectAssetManager manager = selectedNode.getLookup().lookup(ProjectAssetManager.class);
       
       Terrain terrain = new TerrainQuad("terrain-"+sceneName, patchSize, totalSize, heightmapData); //TODO make this pluggable for different Terrain implementations
       com.jme3.material.Material mat = new com.jme3.material.Material(manager, "Common/MatDefs/Terrain/TerrainLighting.j3md");

       String assetFolder = "";
       if (manager != null && manager instanceof ProjectAssetManager)
           assetFolder = ((ProjectAssetManager)manager).getAssetFolderName();

       // write out 3 alpha blend images
       for (int i=0; i<TerrainEditorController.NUM_ALPHA_TEXTURES; i++) {
           BufferedImage alphaBlend = new BufferedImage(alphaTextureSize, alphaTextureSize, BufferedImage.TYPE_INT_ARGB);
           if (i == 0) {
               // the first alpha level should be opaque so we see the first texture over the whole terrain
               for (int h=0; h<alphaTextureSize; h++)
                   for (int w=0; w<alphaTextureSize; w++)
                       alphaBlend.setRGB(w, h, 0x00FF0000);//argb
           }
           File alphaFolder = new File(assetFolder+"/Textures/terrain-alpha/");
           if (!alphaFolder.exists())
               alphaFolder.mkdir();
           String alphaBlendFileName = "/Textures/terrain-alpha/"+sceneName+"-"+((Node)terrain).getName()+"-alphablend"+i+".png";
           File alphaImageFile = new File(assetFolder+alphaBlendFileName);
           ImageIO.write(alphaBlend, "png", alphaImageFile);
           Texture tex = manager.loadAsset(new TextureKey(alphaBlendFileName, false));
           if (i == 0)
               mat.setTexture("AlphaMap", tex);
           else if (i == 1)
               mat.setTexture("AlphaMap_1", tex);
           else if (i == 2)
               mat.setTexture("AlphaMap_2", tex);
       }
       
       Texture defaultTexture = manager.loadTexture(TerrainEditorController.DEFAULT_TERRAIN_TEXTURE);
       
       // copy the default texture to the assets folder if it doesn't exist there yet
       String dirtTextureName = "/Textures/dirt.jpg";
       File dirtTextureFile = new File(assetFolder+dirtTextureName);
       if (!dirtTextureFile.exists()) {
           BufferedImage bi = ImageToAwt.convert(defaultTexture.getImage(), false, true, 0);
           ImageIO.write(bi, "jpg", dirtTextureFile);
       }
       // give the first layer default texture
       Texture dirtTexture = manager.loadTexture(dirtTextureName);
       dirtTexture.setWrap(WrapMode.Repeat);
       mat.setTexture("DiffuseMap", dirtTexture);
       mat.setFloat("DiffuseMap_0_scale", TerrainEditorController.DEFAULT_TEXTURE_SCALE);
       mat.setBoolean("WardIso", true);

       ((Node)terrain).setMaterial(mat);
       ((Node)terrain).setModelBound(new BoundingBox());
       ((Node)terrain).updateModelBound();
       ((Node)terrain).setLocalTranslation(0, 0, 0);
       ((Node)terrain).setLocalScale(1f, 1f, 1f);

       // add the lod control
       TerrainLodControl control = new TerrainLodControl(terrain, SceneApplication.getApplication().getCamera());
       control.setLodCalculator(new DistanceLodCalculator(patchSize, 2.7f));
((Node)terrain).addControl(control);

       parent.attachChild((Node)terrain);

       //setNeedsSave(true);
       //addSpatialUndo(parent, (Node)terrain, jmeNodeParent);
       
       return (Spatial)terrain;
   }
 

public Class getExplorerObjectClass() {
    return TerrainLodControl.class;
}
 

public TerrainLodControlChildren(TerrainLodControl control) {
    this.control = control;
}