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Fix: the new way to add physics to terrainGrid is to use the listener interface, see updated tests

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new heightmaps are provided for TerrainGridTest

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@7836 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
3.0
ant..om 14 years ago
parent 4eeab63f9f
commit 07e096ae71
4 changed files with 170 additions and 94 deletions
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  1. BIN
      engine/mountains.zip
  2. 73
      engine/src/terrain/com/jme3/terrain/geomipmap/TerrainGrid.java
  3. 37
      engine/src/test/jme3test/terrain/TerrainFractalGridTest.java
  4. 40
      engine/src/test/jme3test/terrain/TerrainGridTest.java

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engine/mountains.zip
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73
engine/src/terrain/com/jme3/terrain/geomipmap/TerrainGrid.java
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@ -106,6 +106,7 @@ public class TerrainGrid extends TerrainQuad {
final TerrainQuad newQuad = q;
// back on the OpenGL thread:
getControl(UpdateControl.class).enqueue(new Callable() {
public Object call() throws Exception {
attachQuadAt(newQuad, quadrant, temp);
return null;
@ -123,14 +124,15 @@ public class TerrainGrid extends TerrainQuad {
}
private int getQuadrant(int quadIndex) {
if (quadIndex == 9)
if (quadIndex == 9) {
return 1;
else if (quadIndex == 5)
} else if (quadIndex == 5) {
return 2;
else if (quadIndex == 10)
} else if (quadIndex == 10) {
return 3;
else if (quadIndex == 6)
} else if (quadIndex == 6) {
return 4;
}
return 0; // error
}
@ -190,6 +192,7 @@ public class TerrainGrid extends TerrainQuad {
for (TerrainGridListener l : this.listeners.values()) {
l.gridMoved(camCell);
}
updatePhysics();
}
@Override
@ -205,6 +208,7 @@ public class TerrainGrid extends TerrainQuad {
for (TerrainGridListener l : this.listeners.values()) {
l.gridMoved(camCell);
}
updatePhysics();
}
super.update(locations);
@ -250,7 +254,7 @@ public class TerrainGrid extends TerrainQuad {
updateModelBound();
}
private void updateChildrens(Vector3f cam) {
public void updatePhysics() {
RigidBodyControl control = getControl(RigidBodyControl.class);
if (control != null) {
this.space = control.getPhysicsSpace();
@ -261,22 +265,29 @@ public class TerrainGrid extends TerrainQuad {
for (int i = 0; i < 4; i++) {
int collisionGroupsCollideWith = control.getCollideWithGroups();
int collisionGroups = control.getCollisionGroup();
quadControls[i] = new RigidBodyControl(new HeightfieldCollisionShape(new float[quadSize * quadSize], getLocalScale()), 0);
TerrainQuad q = getQuad(i + 1);
quadControls[i] = new RigidBodyControl(new HeightfieldCollisionShape(q == null ? new float[quadSize * quadSize] : q.getHeightMap(), getLocalScale()), 0);
quadControls[i].setCollideWithGroups(collisionGroupsCollideWith);
quadControls[i].setCollisionGroup(collisionGroups);
//quadControls[i].setPhysicsSpace(space);
//this.addControl(quadControls[i]);
//space.add(quadControls[i]);
if (q != null) {
getQuad(i + 1).addControl(quadControls[i]);
space.add(quadControls[i]);
}
}
}
}
private void updateChildrens(Vector3f cam) {
//TerrainQuad q1 = cache.get(cam.add(quadIndex[9]));
//TerrainQuad q2 = cache.get(cam.add(quadIndex[5]));
//TerrainQuad q3 = cache.get(cam.add(quadIndex[10]));
//TerrainQuad q4 = cache.get(cam.add(quadIndex[6]));
// ---------------------------------------------------
// what does this block do?
// LRU cache is used, so elements that need to remain
// should be touched.
// ---------------------------------------------------
int dx = 0;
int dy = 0;
@ -309,8 +320,9 @@ public class TerrainGrid extends TerrainQuad {
// ---------------------------------------------------
// ---------------------------------------------------
if (executor == null)
if (executor == null) {
executor = createExecutorService();
}
executor.submit(new UpdateQuadCache(cam));
@ -372,11 +384,50 @@ public class TerrainGrid extends TerrainQuad {
@Override
public void adjustHeight(List<Vector2f> xz, List<Float> height) {
Vector3f currentGridLocation = getCurrentCell().mult(getLocalScale()).multLocal(quadSize - 1);
for ( Vector2f vect : xz )
{
for (Vector2f vect : xz) {
vect.x -= currentGridLocation.x;
vect.y -= currentGridLocation.z;
}
super.adjustHeight(xz, height);
}
@Override
protected TerrainQuad findDownQuad() {
if (quadrant == 1) {
return cache.get(currentCell.add(quadIndex[13]));
} else if (quadrant == 3) {
return cache.get(currentCell.add(quadIndex[14]));
}
return null;
}
@Override
protected TerrainQuad findLeftQuad() {
if (quadrant == 1) {
return cache.get(currentCell.add(quadIndex[8]));
} else if (quadrant == 2) {
return cache.get(currentCell.add(quadIndex[4]));
}
return null;
}
@Override
protected TerrainQuad findRightQuad() {
if (quadrant == 3) {
return cache.get(currentCell.add(quadIndex[11]));
} else if (quadrant == 4) {
return cache.get(currentCell.add(quadIndex[7]));
}
return null;
}
@Override
protected TerrainQuad findTopQuad() {
if (quadrant == 2) {
return cache.get(currentCell.add(quadIndex[1]));
} else if (quadrant == 4) {
return cache.get(currentCell.add(quadIndex[2]));
}
return null;
}
}

37
engine/src/test/jme3test/terrain/TerrainFractalGridTest.java
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@ -15,9 +15,11 @@ import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f;
import com.jme3.renderer.Camera;
import com.jme3.terrain.geomipmap.TerrainGrid;
import com.jme3.terrain.geomipmap.TerrainGridListener;
import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.heightmap.FractalHeightMapGrid;
import com.jme3.texture.Texture;
@ -39,6 +41,7 @@ public class TerrainFractalGridTest extends SimpleApplication {
private float dirtScale = 16;
private float rockScale = 128;
private boolean usePhysics = true;
private boolean physicsAdded = false;
public static void main(final String[] args) {
TerrainFractalGridTest app = new TerrainFractalGridTest();
@ -132,12 +135,11 @@ public class TerrainFractalGridTest extends SimpleApplication {
ground.addPreFilter(this.iterate);
this.terrain = new TerrainGrid("terrain", 65, 257, new FractalHeightMapGrid(ground, null, 256f));
this.terrain = new TerrainGrid("terrain", 65, 257, new FractalHeightMapGrid(ground, "D:\\work5\\temp", 256f));
this.terrain.setMaterial(this.mat_terrain);
this.terrain.setLocalTranslation(0, 0, 0);
this.terrain.setLocalScale(2f, 1f, 2f);
this.terrain.initialize(Vector3f.ZERO);
this.rootNode.attachChild(this.terrain);
List<Camera> cameras = new ArrayList<Camera>();
@ -145,28 +147,40 @@ public class TerrainFractalGridTest extends SimpleApplication {
TerrainLodControl control = new TerrainLodControl(this.terrain, cameras);
this.terrain.addControl(control);
BulletAppState bulletAppState = new BulletAppState();
final BulletAppState bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState);
this.getCamera().setLocation(new Vector3f(0, 256, 0));
this.getCamera().setLocation(new Vector3f(0, 0, 0));
this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
if (usePhysics) {
terrain.addListener("physicsStartListener", new TerrainGridListener() {
public void gridMoved(Vector3f newCenter) {
terrain.removeListener("physicsStartListener");
RigidBodyControl body = new RigidBodyControl(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()), 0);
terrain.addControl(body);
bulletAppState.getPhysicsSpace().add(terrain);
CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1);
this.player3 = new CharacterControl(capsuleShape, 0.5f);
this.player3.setJumpSpeed(20);
this.player3.setFallSpeed(30);
this.player3.setGravity(30);
player3 = new CharacterControl(capsuleShape, 0.5f);
player3.setJumpSpeed(20);
player3.setFallSpeed(10);
player3.setGravity(10);
player3.setPhysicsLocation(new Vector3f(cam.getLocation().x, 256, cam.getLocation().z));
this.player3.setPhysicsLocation(new Vector3f(0, 256, 0));
bulletAppState.getPhysicsSpace().add(player3);
physicsAdded = true;
}
bulletAppState.getPhysicsSpace().add(this.player3);
public Material tileLoaded(Material material, Vector3f cell) {
return material;
}
});
}
this.terrain.initialize(cam.getLocation());
this.initKeys();
}
@ -183,7 +197,6 @@ public class TerrainFractalGridTest extends SimpleApplication {
this.inputManager.addListener(this.actionListener, "Downs");
this.inputManager.addListener(this.actionListener, "Jumps");
}
private boolean left;
private boolean right;
private boolean up;
@ -241,7 +254,7 @@ public class TerrainFractalGridTest extends SimpleApplication {
this.walkDirection.addLocal(camDir.negate());
}
if (usePhysics) {
if (usePhysics && physicsAdded) {
this.player3.setWalkDirection(this.walkDirection);
this.cam.setLocation(this.player3.getPhysicsLocation());
}

40
engine/src/test/jme3test/terrain/TerrainGridTest.java
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@ -1,6 +1,5 @@
package jme3test.terrain;
import com.jme3.app.SimpleApplication;
import com.jme3.app.state.ScreenshotAppState;
import com.jme3.asset.plugins.HttpZipLocator;
@ -17,6 +16,7 @@ import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.math.Vector3f;
import com.jme3.terrain.geomipmap.TerrainGrid;
import com.jme3.terrain.geomipmap.TerrainGridListener;
import com.jme3.terrain.geomipmap.TerrainLodControl;
import com.jme3.terrain.heightmap.ImageBasedHeightMapGrid;
import com.jme3.terrain.heightmap.Namer;
@ -32,6 +32,7 @@ public class TerrainGridTest extends SimpleApplication {
private float dirtScale = 16;
private float rockScale = 128;
private boolean usePhysics = true;
private boolean physicsAdded = false;
public static void main(final String[] args) {
TerrainGridTest app = new TerrainGridTest();
@ -89,24 +90,24 @@ public class TerrainGridTest extends SimpleApplication {
this.mat_terrain.setTexture("slopeColorMap", rock);
this.mat_terrain.setFloat("slopeTileFactor", 32);
this.mat_terrain.setFloat("terrainSize", 513);
this.mat_terrain.setFloat("terrainSize", 129);
this.terrain = new TerrainGrid("terrain", 65, 257, new ImageBasedHeightMapGrid(assetManager, new Namer() {
this.terrain = new TerrainGrid("terrain", 65, 1025, new ImageBasedHeightMapGrid(assetManager, new Namer() {
public String getName(int x, int y) {
return "Scenes/TerrainMountains/mountains_" + (x * 512) + "_" + (y * 512) + ".png";
return "Scenes/TerrainMountains/terrain_" + x + "_" + y + ".png";
}
}));
this.terrain.setMaterial(this.mat_terrain);
this.terrain.setLocalTranslation(0, 0, 0);
this.terrain.setLocalScale(2f, 1f, 2f);
this.terrain.initialize(Vector3f.ZERO);
this.rootNode.attachChild(this.terrain);
TerrainLodControl control = new TerrainLodControl(this.terrain, getCamera());
this.terrain.addControl(control);
BulletAppState bulletAppState = new BulletAppState();
final BulletAppState bulletAppState = new BulletAppState();
stateManager.attach(bulletAppState);
this.getCamera().setLocation(new Vector3f(0, 256, 0));
@ -114,19 +115,31 @@ public class TerrainGridTest extends SimpleApplication {
this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f));
if (usePhysics) {
terrain.addListener("physicsStartListener", new TerrainGridListener() {
public void gridMoved(Vector3f newCenter) {
terrain.removeListener("physicsStartListener");
RigidBodyControl body = new RigidBodyControl(new HeightfieldCollisionShape(terrain.getHeightMap(), terrain.getLocalScale()), 0);
terrain.addControl(body);
bulletAppState.getPhysicsSpace().add(terrain);
CapsuleCollisionShape capsuleShape = new CapsuleCollisionShape(0.5f, 1.8f, 1);
this.player3 = new CharacterControl(capsuleShape, 0.5f);
this.player3.setJumpSpeed(20);
this.player3.setFallSpeed(30);
this.player3.setGravity(30);
player3 = new CharacterControl(capsuleShape, 0.5f);
player3.setJumpSpeed(20);
player3.setFallSpeed(30);
player3.setGravity(30);
player3.setPhysicsLocation(new Vector3f(cam.getLocation().x, 256, cam.getLocation().z));
this.player3.setPhysicsLocation(new Vector3f(0, 256, 0));
bulletAppState.getPhysicsSpace().add(player3);
physicsAdded = true;
}
bulletAppState.getPhysicsSpace().add(this.player3);
public Material tileLoaded(Material material, Vector3f cell) {
return material;
}
});
}
this.terrain.initialize(cam.getLocation());
this.initKeys();
}
@ -143,7 +156,6 @@ public class TerrainGridTest extends SimpleApplication {
this.inputManager.addListener(this.actionListener, "Downs");
this.inputManager.addListener(this.actionListener, "Jumps");
}
private boolean left;
private boolean right;
private boolean up;
@ -201,7 +213,7 @@ public class TerrainGridTest extends SimpleApplication {
this.walkDirection.addLocal(camDir.negate());
}
if (usePhysics) {
if (usePhysics && physicsAdded) {
this.player3.setWalkDirection(this.walkDirection);
this.cam.setLocation(this.player3.getPhysicsLocation());
}

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