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package jme3test.terrain;
import com.jme3.app.SimpleApplication;
import com.jme3.bounding.BoundingBox;
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.light.PointLight;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.scene.Geometry;
import com.jme3.scene.Spatial;
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 com.jme3.util.SkyFactory;
import com.jme3.scene.Node;
import com.jme3.scene.debug.Arrow;
/**
* Uses the terrain's lighting texture with normal maps and lights.
*
* @author bowens
*/
public class TerrainTestAdvanced extends SimpleApplication {
private TerrainQuad terrain;
Material matTerrain;
Material matWire;
boolean wireframe = false;
boolean triPlanar = false;
boolean wardiso = false;
boolean minnaert = false;
protected BitmapText hintText;
PointLight pl;
Geometry lightMdl;
private float grassScale = 64;
private float dirtScale = 16;
private float rockScale = 128;
public static void main(String[] args) {
TerrainTestAdvanced app = new TerrainTestAdvanced();
app.start();
}
@Override
public void initialize() {
super.initialize();
loadHintText();
}
@Override
public void simpleInitApp() {
setupKeys();
// 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.setFloat("Shininess", 0.0f);
// ALPHA map (for splat textures)
matTerrain.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alpha1.png"));
matTerrain.setTexture("AlphaMap_1", assetManager.loadTexture("Textures/Terrain/splat/alpha2.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_1", grass);
//matTerrain.setFloat("DiffuseMap_1_scale", grassScale);
// DIRT texture
Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
dirt.setWrap(WrapMode.Repeat);
matTerrain.setTexture("DiffuseMap", dirt);
matTerrain.setFloat("DiffuseMap_0_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);
// BRICK texture
Texture brick = assetManager.loadTexture("Textures/Terrain/BrickWall/BrickWall.jpg");
brick.setWrap(WrapMode.Repeat);
//matTerrain.setTexture("DiffuseMap_3", brick);
//matTerrain.setFloat("DiffuseMap_3_scale", rockScale);
// RIVER ROCK texture
Texture riverRock = assetManager.loadTexture("Textures/Terrain/Pond/Pond.jpg");
riverRock.setWrap(WrapMode.Repeat);
//matTerrain.setTexture("DiffuseMap_4", riverRock);
//matTerrain.setFloat("DiffuseMap_4_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);
//matTerrain.setTexture("NormalMap_4", normalMap2);
// WIREFRAME material
matWire = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
matWire.getAdditionalRenderState().setWireframe(true);
matWire.setColor("Color", ColorRGBA.Green);
//createSky();
// CREATE HEIGHTMAP
AbstractHeightMap heightmap = null;
try {
heightmap = new ImageBasedHeightMap(heightMapImage.getImage(), 0.5f);
heightmap.load();
heightmap.smooth(0.9f, 1);
} catch (Exception e) {
e.printStackTrace();
}
/*
* Here we create the actual terrain. The tiles will be 65x65, and the total size of the
* terrain will be 513x513. It uses the heightmap we created to generate the height values.
*/
/**
* Optimal terrain patch size is 65 (64x64).
* The total size is up to you. At 1025 it ran fine for me (200+FPS), however at
* size=2049, it got really slow. But that is a jump from 2 million to 8 million triangles...
*/
terrain = new TerrainQuad("terrain", 65, 513, heightmap.getHeightMap());//, new LodPerspectiveCalculatorFactory(getCamera(), 4)); // add this in to see it use entropy for LOD calculations
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.setModelBound(new BoundingBox());
terrain.updateModelBound();
terrain.setLocalTranslation(0, -100, 0);
terrain.setLocalScale(1f, 1f, 1f);
rootNode.attachChild(terrain);
Material debugMat = assetManager.loadMaterial("Common/Materials/VertexColor.j3m");
//terrain.generateDebugTangents(debugMat);
DirectionalLight light = new DirectionalLight();
light.setDirection((new Vector3f(-0.5f, -0.5f, -0.5f)).normalize());
rootNode.addLight(light);
cam.setLocation(new Vector3f(0, 10, -10));
cam.lookAtDirection(new Vector3f(0, -1.5f, -1).normalizeLocal(), Vector3f.UNIT_Y);
flyCam.setMoveSpeed(400);
rootNode.attachChild(createAxisMarker(20));
}
public void loadHintText() {
hintText = new BitmapText(guiFont, false);
hintText.setSize(guiFont.getCharSet().getRenderedSize());
hintText.setLocalTranslation(0, getCamera().getHeight(), 0);
hintText.setText("Hit T to switch to wireframe, P to switch to tri-planar texturing");
guiNode.attachChild(hintText);
}
private void setupKeys() {
flyCam.setMoveSpeed(50);
inputManager.addMapping("wireframe", new KeyTrigger(KeyInput.KEY_T));
inputManager.addListener(actionListener, "wireframe");
inputManager.addMapping("triPlanar", new KeyTrigger(KeyInput.KEY_P));
inputManager.addListener(actionListener, "triPlanar");
inputManager.addMapping("WardIso", new KeyTrigger(KeyInput.KEY_9));
inputManager.addListener(actionListener, "WardIso");
inputManager.addMapping("Minnaert", new KeyTrigger(KeyInput.KEY_0));
inputManager.addListener(actionListener, "Minnaert");
}
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("triPlanar") && !pressed) {
triPlanar = !triPlanar;
if (triPlanar) {
matTerrain.setBoolean("useTriPlanarMapping", true);
// planar textures don't use the mesh's texture coordinates but real world coordinates,
// so we need to convert these texture coordinate scales into real world scales so it looks
// the same when we switch to/from tr-planar mode
matTerrain.setFloat("DiffuseMap_0_scale", 1f / (float) (512f / grassScale));
matTerrain.setFloat("DiffuseMap_1_scale", 1f / (float) (512f / dirtScale));
matTerrain.setFloat("DiffuseMap_2_scale", 1f / (float) (512f / rockScale));
matTerrain.setFloat("DiffuseMap_3_scale", 1f / (float) (512f / rockScale));
matTerrain.setFloat("DiffuseMap_4_scale", 1f / (float) (512f / rockScale));
} else {
matTerrain.setBoolean("useTriPlanarMapping", false);
matTerrain.setFloat("DiffuseMap_0_scale", grassScale);
matTerrain.setFloat("DiffuseMap_1_scale", dirtScale);
matTerrain.setFloat("DiffuseMap_2_scale", rockScale);
matTerrain.setFloat("DiffuseMap_3_scale", rockScale);
matTerrain.setFloat("DiffuseMap_4_scale", rockScale);
}
}
}
};
private void createSky() {
Texture west = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_west.jpg");
Texture east = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_east.jpg");
Texture north = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_north.jpg");
Texture south = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_south.jpg");
Texture up = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_up.jpg");
Texture down = assetManager.loadTexture("Textures/Sky/Lagoon/lagoon_down.jpg");
Spatial sky = SkyFactory.createSky(assetManager, west, east, north, south, up, down);
rootNode.attachChild(sky);
}
protected Node createAxisMarker(float arrowSize) {
Material redMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
redMat.getAdditionalRenderState().setWireframe(true);
redMat.setColor("Color", ColorRGBA.Red);
Material greenMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
greenMat.getAdditionalRenderState().setWireframe(true);
greenMat.setColor("Color", ColorRGBA.Green);
Material blueMat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
blueMat.getAdditionalRenderState().setWireframe(true);
blueMat.setColor("Color", ColorRGBA.Blue);
Node axis = new Node();
// create arrows
Geometry arrowX = new Geometry("arrowX", new Arrow(new Vector3f(arrowSize, 0, 0)));
arrowX.setMaterial(redMat);
Geometry arrowY = new Geometry("arrowY", new Arrow(new Vector3f(0, arrowSize, 0)));
arrowY.setMaterial(greenMat);
Geometry arrowZ = new Geometry("arrowZ", new Arrow(new Vector3f(0, 0, arrowSize)));
arrowZ.setMaterial(blueMat);
axis.attachChild(arrowX);
axis.attachChild(arrowY);
axis.attachChild(arrowZ);
//axis.setModelBound(new BoundingBox());
return axis;
}
}