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();
}
@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() {
/** 1. Create terrain material and load four textures into it. */
mat_terrain = new Material(assetManager, "Common/MatDefs/Terrain/Terrain.j3md");
/** 1.1) Add ALPHA map (for red-blue-green coded splat textures) */
mat_terrain.setTexture(
"Alpha", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
/** 1.2) Add GRASS texture into the red layer (Tex1). */
Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
grass.setWrap(WrapMode.Repeat);
mat_terrain.setTexture("Tex1", grass);
mat_terrain.setFloat("Tex1Scale", 64f);
/** 1.3) Add DIRT texture into the green layer (Tex2) */
Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
dirt.setWrap(WrapMode.Repeat);
mat_terrain.setTexture("Tex2", dirt);
mat_terrain.setFloat("Tex2Scale", 32f);
/** 1.4) Add ROAD texture into the blue layer (Tex3) */
Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
rock.setWrap(WrapMode.Repeat);
mat_terrain.setTexture("Tex3", rock);
mat_terrain.setFloat("Tex3Scale", 128f);
/** 2. Create the height map */
AbstractHeightMap heightmap = null;
Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
heightmap = new ImageBasedHeightMap(heightMapImage.getImage());
heightmap.load();
/**
* 3. We have prepared material and heightmap. Now we create the actual terrain: 3.1) Create a
* TerrainQuad and name it "my terrain". 3.2) A good value for terrain tiles is 64x64 -- so we
* supply 64+1=65. 3.3) We prepared a heightmap of size 512x512 -- so we supply 512+1=513. 3.4)
* As LOD step scale we supply Vector3f(1,1,1). 3.5) We supply the prepared heightmap itself.
*/
int patchSize = 65;
terrain = new TerrainQuad("my terrain", patchSize, 513, heightmap.getHeightMap());
/** 4. We give the terrain its material, position & scale it, and attach it. */
terrain.setMaterial(mat_terrain);
terrain.setLocalTranslation(0, -100, 0);
terrain.setLocalScale(2f, 1f, 2f);
rootNode.attachChild(terrain);
/** 5. The LOD (level of detail) depends on were the camera is: */
TerrainLodControl control = new TerrainLodControl(terrain, getCamera());
terrain.addControl(control);
inputManager.removeListener(flyCam);
final RTSCam rtsCam = new RTSCam(cam, rootNode);
rtsCam.registerWithInput(inputManager);
rtsCam.setCenter(new Vector3f(0, 5f, 0));
}
public Terrain(MonkeyWar war) {
/** 1. Create terrain material and load four textures into it. */
material = new Material(war.getAssetManager(), "Common/MatDefs/Terrain/Terrain.j3md");
/** 1.1) Add ALPHA map (for red-blue-green coded splat textures) */
material.setTexture(
"Alpha", war.getAssetManager().loadTexture("Textures/Terrain/splat/alphamap.png"));
/** 1.2) Add GRASS texture into the red layer (Tex1). */
Texture grass = war.getAssetManager().loadTexture("Textures/Terrain/splat/grass.jpg");
grass.setWrap(WrapMode.Repeat);
material.setTexture("Tex1", grass);
material.setFloat("Tex1Scale", 64f);
/** 1.3) Add DIRT texture into the green layer (Tex2) */
Texture dirt = war.getAssetManager().loadTexture("Textures/Terrain/splat/dirt.jpg");
dirt.setWrap(WrapMode.Repeat);
material.setTexture("Tex2", dirt);
material.setFloat("Tex2Scale", 32f);
/** 1.4) Add ROAD texture into the blue layer (Tex3) */
Texture rock = war.getAssetManager().loadTexture("Textures/Terrain/splat/road.jpg");
rock.setWrap(WrapMode.Repeat);
material.setTexture("Tex3", rock);
material.setFloat("Tex3Scale", 128f);
/** 2. Create the height map */
AbstractHeightMap heightmap = null;
Texture heightMapImage =
war.getAssetManager().loadTexture("Textures/Terrain/splat/mountains512.png");
heightmap = new ImageBasedHeightMap(heightMapImage.getImage());
heightmap.load();
/**
* 3. We have prepared material and heightmap. Now we create the actual terrain: 3.1) Create a
* TerrainQuad and name it "my terrain". 3.2) A good value for terrain tiles is 64x64 -- so we
* supply 64+1=65. 3.3) We prepared a heightmap of size 512x512 -- so we supply 512+1=513. 3.4)
* As LOD step scale we supply Vector3f(1,1,1). 3.5) We supply the prepared heightmap itself.
*/
int patchSize = 65;
quad = new TerrainQuad("my terrain", patchSize, 513, heightmap.getHeightMap());
/** 4. We give the terrain its material, position & scale it, and attach it. */
quad.setMaterial(material);
quad.setLocalScale(2f, 1f, 2f);
Terrain.node.attachChild(quad);
/** 5. The LOD (level of detail) depends on were the camera is: */
TerrainLodControl lod = new TerrainLodControl(quad, war.getCamera());
quad.addControl(lod);
/** ATTACH THE TERRAIN CONTROL TO THE TERRAIN */
quad.addControl(this);
}
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);
matTerrain.setFloat("Shininess", 0);
// 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);
}
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;
}
}
public void loadTerrain() {
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;
}
InputStream fis =
game.getGameApplication()
.getAssetManager()
.locateAsset(new AssetKey("Scenes/" + map + "/terrainsave.jme"))
.openStream();
BinaryImporter imp = BinaryImporter.getInstance();
imp.setAssetManager(assetManager);
terrain = (TerrainQuad) imp.load(new BufferedInputStream(fis));
terrain.setShadowMode(ShadowMode.CastAndReceive);
clickableNode.attachChild((Node) terrain);
float duration = (System.currentTimeMillis() - start) / 1000.0f;
System.out.println("Load took " + duration + " seconds");
} catch (Exception e) {
}
}
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;
}
@Override
public void simpleInitApp() {
/** Set up Physics */
bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState);
// bulletAppState.getPhysicsSpace().enableDebug(assetManager);
flyCam.setMoveSpeed(100);
setUpKeys();
/** 1. Create terrain material and load four textures into it. */
mat_terrain = new Material(assetManager, "Common/MatDefs/Terrain/Terrain.j3md");
/** 1.1) Add ALPHA map (for red-blue-green coded splat textures) */
mat_terrain.setTexture(
"Alpha", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
/** 1.2) Add GRASS texture into the red layer (Tex1). */
Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
grass.setWrap(WrapMode.Repeat);
mat_terrain.setTexture("Tex1", grass);
mat_terrain.setFloat("Tex1Scale", 64f);
/** 1.3) Add DIRT texture into the green layer (Tex2) */
Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
dirt.setWrap(WrapMode.Repeat);
mat_terrain.setTexture("Tex2", dirt);
mat_terrain.setFloat("Tex2Scale", 32f);
/** 1.4) Add ROAD texture into the blue layer (Tex3) */
Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
rock.setWrap(WrapMode.Repeat);
mat_terrain.setTexture("Tex3", rock);
mat_terrain.setFloat("Tex3Scale", 128f);
/** 2. Create the height map */
AbstractHeightMap heightmap = null;
Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
heightmap = new ImageBasedHeightMap(heightMapImage.getImage());
heightmap.load();
/**
* 3. We have prepared material and heightmap. Now we create the actual terrain: 3.1) Create a
* TerrainQuad and name it "my terrain". 3.2) A good value for terrain tiles is 64x64 -- so we
* supply 64+1=65. 3.3) We prepared a heightmap of size 512x512 -- so we supply 512+1=513. 3.4)
* As LOD step scale we supply Vector3f(1,1,1). 3.5) We supply the prepared heightmap itself.
*/
terrain = new TerrainQuad("my terrain", 65, 513, heightmap.getHeightMap());
/** 4. We give the terrain its material, position & scale it, and attach it. */
terrain.setMaterial(mat_terrain);
terrain.setLocalTranslation(0, -100, 0);
terrain.setLocalScale(2f, 1f, 2f);
rootNode.attachChild(terrain);
/** 5. The LOD (level of detail) depends on were the camera is: */
List<Camera> cameras = new ArrayList<Camera>();
cameras.add(getCamera());
TerrainLodControl control = new TerrainLodControl(terrain, cameras);
terrain.addControl(control);
/** 6. Add physics: */
/* We set up collision detection for the scene by creating a static
* RigidBodyControl with mass zero.*/
terrain.addControl(new RigidBodyControl(0));
// We set up collision detection for the player by creating
// a capsule collision shape and a CharacterControl.
// The CharacterControl offers extra settings for
// size, stepheight, jumping, falling, and gravity.
// We also put the player in its starting position.
CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(1.5f, 6f, 1);
player = new CharacterControl(capsuleShape, 0.05f);
player.setJumpSpeed(20);
player.setFallSpeed(30);
player.setGravity(30);
player.setPhysicsLocation(new Vector3f(-10, 10, 10));
// We attach the scene and the player to the rootnode and the physics space,
// to make them appear in the game world.
bulletAppState.getPhysicsSpace().add(terrain);
bulletAppState.getPhysicsSpace().add(player);
}
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);
}
/** Business logic */
public static MotionPath createMotionPath(
TerrainQuad terrain, Cell[][] cells, Cell from, Cell to, Creature creature)
throws NoReachablePathException {
if (creature instanceof AirborneCreature) {
AirborneCreature airCreature = (AirborneCreature) creature;
airCreature.takeOff();
}
if (!to.creatureAllowed(creature)) {
throw new NoReachablePathException();
}
MotionPath motionPath = new MotionPath();
/** Different for air creatures */
if (creature instanceof AirborneCreature) {
// Add take off waypoint
Vector3f takeOffWayPoint =
new Vector3f(
from.getWorldCoordinates().x, airCreatureHeight, from.getWorldCoordinates().z);
motionPath.addWayPoint(creature.getModel().getLocalTranslation());
motionPath.addWayPoint(takeOffWayPoint);
int numSteps = 100;
float diffX = (to.getWorldCoordinates().x - from.getWorldCoordinates().x) / (float) numSteps;
float diffZ = (to.getWorldCoordinates().z - from.getWorldCoordinates().z) / (float) numSteps;
for (int i = 0; i < numSteps; i++) {
float x = from.getWorldCoordinates().x + i * diffX;
float z = from.getWorldCoordinates().z + i * diffZ;
// float y = terrain.getHeight(new Vector2f(x, z)) + airCreatureHeight;
motionPath.addWayPoint(new Vector3f(x, airCreatureHeight, z));
}
} else {
List<Cell> findPath = findPath(cells, from, to, creature);
Cell previousCell = null;
for (Cell cell : findPath) {
if (previousCell != null) {
// Smoothen path
int numParts = 5;
float xDiff =
(cell.getWorldCoordinates().x - previousCell.getWorldCoordinates().x)
/ (float) numParts;
float zDiff =
(cell.getWorldCoordinates().z - previousCell.getWorldCoordinates().z)
/ (float) numParts;
for (int i = 0; i < numParts; i++) {
float x = previousCell.getWorldCoordinates().x + i * xDiff;
float z = previousCell.getWorldCoordinates().z + i * zDiff;
Vector3f part = null;
if (creature instanceof SeaCreature) {
System.out.println("test");
part = new Vector3f(x, 0, z);
} else {
part = new Vector3f(x, terrain.getHeight(new Vector2f(x, z)) - 100, z);
}
motionPath.addWayPoint(part);
}
}
if (creature instanceof SeaCreature) {
Vector3f old = cell.getWorldCoordinates();
motionPath.addWayPoint(
new Vector3f(old.x, creature.getModel().getLocalTranslation().y, old.z));
} else {
motionPath.addWayPoint(cell.getWorldCoordinates());
}
previousCell = cell;
}
}
motionPath.setCycle(false);
return motionPath;
}
