| /* |
| * 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.export.Savable; |
| import com.jme3.export.binary.BinaryExporter; |
| import com.jme3.export.binary.BinaryImporter; |
| import com.jme3.font.BitmapText; |
| 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.scene.Node; |
| import com.jme3.terrain.Terrain; |
| 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.ImageBasedHeightMap; |
| import com.jme3.texture.Texture; |
| import com.jme3.texture.Texture.WrapMode; |
| import java.io.*; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * Saves and loads terrain. |
| * |
| * @author Brent Owens |
| */ |
| public class TerrainTestReadWrite extends SimpleApplication { |
| |
| private Terrain terrain; |
| protected BitmapText hintText; |
| private float grassScale = 64; |
| private float dirtScale = 16; |
| private float rockScale = 128; |
| private Material matTerrain; |
| private Material matWire; |
| |
| public static void main(String[] args) { |
| TerrainTestReadWrite app = new TerrainTestReadWrite(); |
| app.start(); |
| //testHeightmapBuilding(); |
| } |
| |
| @Override |
| public void initialize() { |
| super.initialize(); |
| |
| loadHintText(); |
| } |
| |
| @Override |
| public void simpleInitApp() { |
| |
| |
| createControls(); |
| createMap(); |
| } |
| |
| private void createMap() { |
| 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")); |
| |
| // HEIGHTMAP image (for the terrain heightmap) |
| Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.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); |
| |
| |
| Texture normalMap0 = assetManager.loadTexture("Textures/Terrain/splat/grass_normal.jpg"); |
| normalMap0.setWrap(WrapMode.Repeat); |
| Texture normalMap1 = assetManager.loadTexture("Textures/Terrain/splat/dirt_normal.png"); |
| normalMap1.setWrap(WrapMode.Repeat); |
| Texture normalMap2 = assetManager.loadTexture("Textures/Terrain/splat/road_normal.png"); |
| normalMap2.setWrap(WrapMode.Repeat); |
| matTerrain.setTexture("NormalMap", normalMap0); |
| matTerrain.setTexture("NormalMap_1", normalMap2); |
| matTerrain.setTexture("NormalMap_2", normalMap2); |
| |
| matWire = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md"); |
| matWire.getAdditionalRenderState().setWireframe(true); |
| matWire.setColor("Color", ColorRGBA.Green); |
| |
| |
| // CREATE HEIGHTMAP |
| AbstractHeightMap heightmap = null; |
| try { |
| heightmap = new ImageBasedHeightMap(heightMapImage.getImage(), 1f); |
| heightmap.load(); |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| |
| if (new File("terrainsave.jme").exists()) { |
| loadTerrain(); |
| } else { |
| // create the terrain as normal, and give it a control for LOD management |
| TerrainQuad terrainQuad = new TerrainQuad("terrain", 65, 129, heightmap.getHeightMap());//, new LodPerspectiveCalculatorFactory(getCamera(), 4)); // add this in to see it use entropy for LOD calculations |
| TerrainLodControl control = new TerrainLodControl(terrainQuad, getCamera()); |
| control.setLodCalculator( new DistanceLodCalculator(65, 2.7f) ); // patch size, and a multiplier |
| terrainQuad.addControl(control); |
| terrainQuad.setMaterial(matTerrain); |
| terrainQuad.setLocalTranslation(0, -100, 0); |
| terrainQuad.setLocalScale(4f, 0.25f, 4f); |
| rootNode.attachChild(terrainQuad); |
| |
| this.terrain = terrainQuad; |
| } |
| |
| DirectionalLight light = new DirectionalLight(); |
| light.setDirection((new Vector3f(-0.5f, -1f, -0.5f)).normalize()); |
| rootNode.addLight(light); |
| } |
| |
| /** |
| * Create the save and load actions and add them to the input listener |
| */ |
| private void createControls() { |
| flyCam.setMoveSpeed(50); |
| cam.setLocation(new Vector3f(0, 100, 0)); |
| |
| inputManager.addMapping("save", new KeyTrigger(KeyInput.KEY_T)); |
| inputManager.addListener(saveActionListener, "save"); |
| |
| inputManager.addMapping("load", new KeyTrigger(KeyInput.KEY_Y)); |
| inputManager.addListener(loadActionListener, "load"); |
| |
| inputManager.addMapping("clone", new KeyTrigger(KeyInput.KEY_C)); |
| inputManager.addListener(cloneActionListener, "clone"); |
| } |
| |
| public void loadHintText() { |
| hintText = new BitmapText(guiFont, false); |
| hintText.setSize(guiFont.getCharSet().getRenderedSize()); |
| hintText.setLocalTranslation(0, getCamera().getHeight(), 0); |
| hintText.setText("Hit T to save, and Y to load"); |
| guiNode.attachChild(hintText); |
| } |
| private ActionListener saveActionListener = new ActionListener() { |
| |
| public void onAction(String name, boolean pressed, float tpf) { |
| if (name.equals("save") && !pressed) { |
| |
| FileOutputStream fos = null; |
| try { |
| long start = System.currentTimeMillis(); |
| fos = new FileOutputStream(new File("terrainsave.jme")); |
| |
| // we just use the exporter and pass in the terrain |
| BinaryExporter.getInstance().save((Savable)terrain, new BufferedOutputStream(fos)); |
| |
| fos.flush(); |
| float duration = (System.currentTimeMillis() - start) / 1000.0f; |
| System.out.println("Save took " + duration + " seconds"); |
| } catch (IOException ex) { |
| Logger.getLogger(TerrainTestReadWrite.class.getName()).log(Level.SEVERE, null, ex); |
| } finally { |
| try { |
| if (fos != null) { |
| fos.close(); |
| } |
| } catch (IOException e) { |
| Logger.getLogger(TerrainTestReadWrite.class.getName()).log(Level.SEVERE, null, e); |
| } |
| } |
| } |
| } |
| }; |
| |
| private void loadTerrain() { |
| FileInputStream fis = null; |
| try { |
| long start = System.currentTimeMillis(); |
| // remove the existing terrain and detach it from the root node. |
| if (terrain != null) { |
| Node existingTerrain = (Node)terrain; |
| existingTerrain.removeFromParent(); |
| existingTerrain.removeControl(TerrainLodControl.class); |
| existingTerrain.detachAllChildren(); |
| terrain = null; |
| } |
| |
| // import the saved terrain, and attach it back to the root node |
| File f = new File("terrainsave.jme"); |
| fis = new FileInputStream(f); |
| BinaryImporter imp = BinaryImporter.getInstance(); |
| imp.setAssetManager(assetManager); |
| terrain = (TerrainQuad) imp.load(new BufferedInputStream(fis)); |
| rootNode.attachChild((Node)terrain); |
| |
| float duration = (System.currentTimeMillis() - start) / 1000.0f; |
| System.out.println("Load took " + duration + " seconds"); |
| |
| // now we have to add back the camera to the LOD control |
| TerrainLodControl lodControl = ((Node)terrain).getControl(TerrainLodControl.class); |
| if (lodControl != null) |
| lodControl.setCamera(getCamera()); |
| |
| } catch (IOException ex) { |
| Logger.getLogger(TerrainTestReadWrite.class.getName()).log(Level.SEVERE, null, ex); |
| } finally { |
| try { |
| if (fis != null) { |
| fis.close(); |
| } |
| } catch (IOException ex) { |
| Logger.getLogger(TerrainTestReadWrite.class.getName()).log(Level.SEVERE, null, ex); |
| } |
| } |
| } |
| private ActionListener loadActionListener = new ActionListener() { |
| |
| public void onAction(String name, boolean pressed, float tpf) { |
| if (name.equals("load") && !pressed) { |
| loadTerrain(); |
| } |
| } |
| }; |
| private ActionListener cloneActionListener = new ActionListener() { |
| |
| public void onAction(String name, boolean pressed, float tpf) { |
| if (name.equals("clone") && !pressed) { |
| |
| Terrain clone = (Terrain) ((Node)terrain).clone(); |
| ((Node)terrain).removeFromParent(); |
| terrain = clone; |
| getRootNode().attachChild((Node)terrain); |
| } |
| } |
| }; |
| |
| // no junit tests, so this has to be hand-tested: |
| private static void testHeightmapBuilding() { |
| int s = 9; |
| int b = 3; |
| float[] hm = new float[s * s]; |
| for (int i = 0; i < s; i++) { |
| for (int j = 0; j < s; j++) { |
| hm[(i * s) + j] = i * j; |
| } |
| } |
| |
| for (int i = 0; i < s; i++) { |
| for (int j = 0; j < s; j++) { |
| System.out.print(hm[i * s + j] + " "); |
| } |
| System.out.println(""); |
| } |
| |
| TerrainQuad terrain = new TerrainQuad("terrain", b, s, hm); |
| float[] hm2 = terrain.getHeightMap(); |
| boolean failed = false; |
| for (int i = 0; i < s * s; i++) { |
| if (hm[i] != hm2[i]) { |
| failed = true; |
| } |
| } |
| |
| System.out.println(""); |
| if (failed) { |
| System.out.println("Terrain heightmap building FAILED!!!"); |
| for (int i = 0; i < s; i++) { |
| for (int j = 0; j < s; j++) { |
| System.out.print(hm2[i * s + j] + " "); |
| } |
| System.out.println(""); |
| } |
| } else { |
| System.out.println("Terrain heightmap building PASSED"); |
| } |
| } |
| } |
