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      1 /*
      2  * Copyright (c) 2009-2010 jMonkeyEngine
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  * * Redistributions of source code must retain the above copyright
     10  *   notice, this list of conditions and the following disclaimer.
     11  *
     12  * * Redistributions in binary form must reproduce the above copyright
     13  *   notice, this list of conditions and the following disclaimer in the
     14  *   documentation and/or other materials provided with the distribution.
     15  *
     16  * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
     17  *   may be used to endorse or promote products derived from this software
     18  *   without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     25  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     26  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     27  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     28  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     29  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 package jme3test.bullet;
     33 
     34 import com.jme3.animation.AnimChannel;
     35 import com.jme3.animation.AnimControl;
     36 import com.jme3.animation.AnimEventListener;
     37 import com.jme3.animation.LoopMode;
     38 import com.jme3.app.SimpleApplication;
     39 import com.jme3.bullet.BulletAppState;
     40 import com.jme3.bullet.PhysicsSpace;
     41 import com.jme3.bullet.collision.PhysicsCollisionEvent;
     42 import com.jme3.bullet.collision.PhysicsCollisionListener;
     43 import com.jme3.bullet.collision.shapes.CapsuleCollisionShape;
     44 import com.jme3.bullet.collision.shapes.SphereCollisionShape;
     45 import com.jme3.bullet.control.CharacterControl;
     46 import com.jme3.bullet.control.RigidBodyControl;
     47 import com.jme3.bullet.util.CollisionShapeFactory;
     48 import com.jme3.effect.ParticleEmitter;
     49 import com.jme3.effect.ParticleMesh.Type;
     50 import com.jme3.effect.shapes.EmitterSphereShape;
     51 import com.jme3.input.ChaseCamera;
     52 import com.jme3.input.KeyInput;
     53 import com.jme3.input.controls.ActionListener;
     54 import com.jme3.input.controls.KeyTrigger;
     55 import com.jme3.light.DirectionalLight;
     56 import com.jme3.material.Material;
     57 import com.jme3.math.ColorRGBA;
     58 import com.jme3.math.Vector2f;
     59 import com.jme3.math.Vector3f;
     60 import com.jme3.post.FilterPostProcessor;
     61 import com.jme3.post.filters.BloomFilter;
     62 import com.jme3.renderer.Camera;
     63 import com.jme3.renderer.queue.RenderQueue.ShadowMode;
     64 import com.jme3.scene.Geometry;
     65 import com.jme3.scene.Node;
     66 import com.jme3.scene.Spatial;
     67 import com.jme3.scene.shape.Box;
     68 import com.jme3.scene.shape.Sphere;
     69 import com.jme3.scene.shape.Sphere.TextureMode;
     70 import com.jme3.terrain.geomipmap.TerrainLodControl;
     71 import com.jme3.terrain.geomipmap.TerrainQuad;
     72 import com.jme3.terrain.heightmap.AbstractHeightMap;
     73 import com.jme3.terrain.heightmap.ImageBasedHeightMap;
     74 import com.jme3.texture.Texture;
     75 import com.jme3.texture.Texture.WrapMode;
     76 import com.jme3.util.SkyFactory;
     77 import java.util.ArrayList;
     78 import java.util.List;
     79 
     80 /**
     81  * A walking animated character followed by a 3rd person camera on a terrain with LOD.
     82  * @author normenhansen
     83  */
     84 public class TestWalkingChar extends SimpleApplication implements ActionListener, PhysicsCollisionListener, AnimEventListener {
     85 
     86     private BulletAppState bulletAppState;
     87     //character
     88     CharacterControl character;
     89     Node model;
     90     //temp vectors
     91     Vector3f walkDirection = new Vector3f();
     92     //terrain
     93     TerrainQuad terrain;
     94     RigidBodyControl terrainPhysicsNode;
     95     //Materials
     96     Material matRock;
     97     Material matBullet;
     98     //animation
     99     AnimChannel animationChannel;
    100     AnimChannel shootingChannel;
    101     AnimControl animationControl;
    102     float airTime = 0;
    103     //camera
    104     boolean left = false, right = false, up = false, down = false;
    105     ChaseCamera chaseCam;
    106     //bullet
    107     Sphere bullet;
    108     SphereCollisionShape bulletCollisionShape;
    109     //explosion
    110     ParticleEmitter effect;
    111     //brick wall
    112     Box brick;
    113     float bLength = 0.8f;
    114     float bWidth = 0.4f;
    115     float bHeight = 0.4f;
    116     FilterPostProcessor fpp;
    117 
    118     public static void main(String[] args) {
    119         TestWalkingChar app = new TestWalkingChar();
    120         app.start();
    121     }
    122 
    123     @Override
    124     public void simpleInitApp() {
    125         bulletAppState = new BulletAppState();
    126         bulletAppState.setThreadingType(BulletAppState.ThreadingType.PARALLEL);
    127         stateManager.attach(bulletAppState);
    128         setupKeys();
    129         prepareBullet();
    130         prepareEffect();
    131         createLight();
    132         createSky();
    133         createTerrain();
    134         createWall();
    135         createCharacter();
    136         setupChaseCamera();
    137         setupAnimationController();
    138         setupFilter();
    139     }
    140 
    141     private void setupFilter() {
    142         FilterPostProcessor fpp = new FilterPostProcessor(assetManager);
    143         BloomFilter bloom = new BloomFilter(BloomFilter.GlowMode.Objects);
    144         fpp.addFilter(bloom);
    145         viewPort.addProcessor(fpp);
    146     }
    147 
    148     private PhysicsSpace getPhysicsSpace() {
    149         return bulletAppState.getPhysicsSpace();
    150     }
    151 
    152     private void setupKeys() {
    153         inputManager.addMapping("wireframe", new KeyTrigger(KeyInput.KEY_T));
    154         inputManager.addListener(this, "wireframe");
    155         inputManager.addMapping("CharLeft", new KeyTrigger(KeyInput.KEY_A));
    156         inputManager.addMapping("CharRight", new KeyTrigger(KeyInput.KEY_D));
    157         inputManager.addMapping("CharUp", new KeyTrigger(KeyInput.KEY_W));
    158         inputManager.addMapping("CharDown", new KeyTrigger(KeyInput.KEY_S));
    159         inputManager.addMapping("CharSpace", new KeyTrigger(KeyInput.KEY_RETURN));
    160         inputManager.addMapping("CharShoot", new KeyTrigger(KeyInput.KEY_SPACE));
    161         inputManager.addListener(this, "CharLeft");
    162         inputManager.addListener(this, "CharRight");
    163         inputManager.addListener(this, "CharUp");
    164         inputManager.addListener(this, "CharDown");
    165         inputManager.addListener(this, "CharSpace");
    166         inputManager.addListener(this, "CharShoot");
    167     }
    168 
    169     private void createWall() {
    170         float xOff = -144;
    171         float zOff = -40;
    172         float startpt = bLength / 4 - xOff;
    173         float height = 6.1f;
    174         brick = new Box(Vector3f.ZERO, bLength, bHeight, bWidth);
    175         brick.scaleTextureCoordinates(new Vector2f(1f, .5f));
    176         for (int j = 0; j < 15; j++) {
    177             for (int i = 0; i < 4; i++) {
    178                 Vector3f vt = new Vector3f(i * bLength * 2 + startpt, bHeight + height, zOff);
    179                 addBrick(vt);
    180             }
    181             startpt = -startpt;
    182             height += 1.01f * bHeight;
    183         }
    184     }
    185 
    186     private void addBrick(Vector3f ori) {
    187         Geometry reBoxg = new Geometry("brick", brick);
    188         reBoxg.setMaterial(matBullet);
    189         reBoxg.setLocalTranslation(ori);
    190         reBoxg.addControl(new RigidBodyControl(1.5f));
    191         reBoxg.setShadowMode(ShadowMode.CastAndReceive);
    192         this.rootNode.attachChild(reBoxg);
    193         this.getPhysicsSpace().add(reBoxg);
    194     }
    195 
    196     private void prepareBullet() {
    197         bullet = new Sphere(32, 32, 0.4f, true, false);
    198         bullet.setTextureMode(TextureMode.Projected);
    199         bulletCollisionShape = new SphereCollisionShape(0.4f);
    200         matBullet = new Material(getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
    201         matBullet.setColor("Color", ColorRGBA.Green);
    202         matBullet.setColor("m_GlowColor", ColorRGBA.Green);
    203         getPhysicsSpace().addCollisionListener(this);
    204     }
    205 
    206     private void prepareEffect() {
    207         int COUNT_FACTOR = 1;
    208         float COUNT_FACTOR_F = 1f;
    209         effect = new ParticleEmitter("Flame", Type.Triangle, 32 * COUNT_FACTOR);
    210         effect.setSelectRandomImage(true);
    211         effect.setStartColor(new ColorRGBA(1f, 0.4f, 0.05f, (float) (1f / COUNT_FACTOR_F)));
    212         effect.setEndColor(new ColorRGBA(.4f, .22f, .12f, 0f));
    213         effect.setStartSize(1.3f);
    214         effect.setEndSize(2f);
    215         effect.setShape(new EmitterSphereShape(Vector3f.ZERO, 1f));
    216         effect.setParticlesPerSec(0);
    217         effect.setGravity(0, -5, 0);
    218         effect.setLowLife(.4f);
    219         effect.setHighLife(.5f);
    220         effect.setInitialVelocity(new Vector3f(0, 7, 0));
    221         effect.setVelocityVariation(1f);
    222         effect.setImagesX(2);
    223         effect.setImagesY(2);
    224         Material mat = new Material(assetManager, "Common/MatDefs/Misc/Particle.j3md");
    225         mat.setTexture("Texture", assetManager.loadTexture("Effects/Explosion/flame.png"));
    226         effect.setMaterial(mat);
    227 //        effect.setLocalScale(100);
    228         rootNode.attachChild(effect);
    229     }
    230 
    231     private void createLight() {
    232         Vector3f direction = new Vector3f(-0.1f, -0.7f, -1).normalizeLocal();
    233         DirectionalLight dl = new DirectionalLight();
    234         dl.setDirection(direction);
    235         dl.setColor(new ColorRGBA(1f, 1f, 1f, 1.0f));
    236         rootNode.addLight(dl);
    237     }
    238 
    239     private void createSky() {
    240         rootNode.attachChild(SkyFactory.createSky(assetManager, "Textures/Sky/Bright/BrightSky.dds", false));
    241     }
    242 
    243     private void createTerrain() {
    244         matRock = new Material(assetManager, "Common/MatDefs/Terrain/TerrainLighting.j3md");
    245         matRock.setBoolean("useTriPlanarMapping", false);
    246         matRock.setBoolean("WardIso", true);
    247         matRock.setTexture("AlphaMap", assetManager.loadTexture("Textures/Terrain/splat/alphamap.png"));
    248         Texture heightMapImage = assetManager.loadTexture("Textures/Terrain/splat/mountains512.png");
    249         Texture grass = assetManager.loadTexture("Textures/Terrain/splat/grass.jpg");
    250         grass.setWrap(WrapMode.Repeat);
    251         matRock.setTexture("DiffuseMap", grass);
    252         matRock.setFloat("DiffuseMap_0_scale", 64);
    253         Texture dirt = assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg");
    254         dirt.setWrap(WrapMode.Repeat);
    255         matRock.setTexture("DiffuseMap_1", dirt);
    256         matRock.setFloat("DiffuseMap_1_scale", 16);
    257         Texture rock = assetManager.loadTexture("Textures/Terrain/splat/road.jpg");
    258         rock.setWrap(WrapMode.Repeat);
    259         matRock.setTexture("DiffuseMap_2", rock);
    260         matRock.setFloat("DiffuseMap_2_scale", 128);
    261         Texture normalMap0 = assetManager.loadTexture("Textures/Terrain/splat/grass_normal.jpg");
    262         normalMap0.setWrap(WrapMode.Repeat);
    263         Texture normalMap1 = assetManager.loadTexture("Textures/Terrain/splat/dirt_normal.png");
    264         normalMap1.setWrap(WrapMode.Repeat);
    265         Texture normalMap2 = assetManager.loadTexture("Textures/Terrain/splat/road_normal.png");
    266         normalMap2.setWrap(WrapMode.Repeat);
    267         matRock.setTexture("NormalMap", normalMap0);
    268         matRock.setTexture("NormalMap_1", normalMap2);
    269         matRock.setTexture("NormalMap_2", normalMap2);
    270 
    271         AbstractHeightMap heightmap = null;
    272         try {
    273             heightmap = new ImageBasedHeightMap(heightMapImage.getImage(), 0.25f);
    274             heightmap.load();
    275 
    276         } catch (Exception e) {
    277             e.printStackTrace();
    278         }
    279 
    280         terrain = new TerrainQuad("terrain", 65, 513, heightmap.getHeightMap());
    281         List<Camera> cameras = new ArrayList<Camera>();
    282         cameras.add(getCamera());
    283         TerrainLodControl control = new TerrainLodControl(terrain, cameras);
    284         terrain.addControl(control);
    285         terrain.setMaterial(matRock);
    286         terrain.setLocalScale(new Vector3f(2, 2, 2));
    287 
    288         terrainPhysicsNode = new RigidBodyControl(CollisionShapeFactory.createMeshShape(terrain), 0);
    289         terrain.addControl(terrainPhysicsNode);
    290         rootNode.attachChild(terrain);
    291         getPhysicsSpace().add(terrainPhysicsNode);
    292     }
    293 
    294     private void createCharacter() {
    295         CapsuleCollisionShape capsule = new CapsuleCollisionShape(3f, 4f);
    296         character = new CharacterControl(capsule, 0.01f);
    297         model = (Node) assetManager.loadModel("Models/Oto/Oto.mesh.xml");
    298         //model.setLocalScale(0.5f);
    299         model.addControl(character);
    300         character.setPhysicsLocation(new Vector3f(-140, 15, -10));
    301         rootNode.attachChild(model);
    302         getPhysicsSpace().add(character);
    303     }
    304 
    305     private void setupChaseCamera() {
    306         flyCam.setEnabled(false);
    307         chaseCam = new ChaseCamera(cam, model, inputManager);
    308     }
    309 
    310     private void setupAnimationController() {
    311         animationControl = model.getControl(AnimControl.class);
    312         animationControl.addListener(this);
    313         animationChannel = animationControl.createChannel();
    314         shootingChannel = animationControl.createChannel();
    315         shootingChannel.addBone(animationControl.getSkeleton().getBone("uparm.right"));
    316         shootingChannel.addBone(animationControl.getSkeleton().getBone("arm.right"));
    317         shootingChannel.addBone(animationControl.getSkeleton().getBone("hand.right"));
    318     }
    319 
    320     @Override
    321     public void simpleUpdate(float tpf) {
    322         Vector3f camDir = cam.getDirection().clone().multLocal(0.1f);
    323         Vector3f camLeft = cam.getLeft().clone().multLocal(0.1f);
    324         camDir.y = 0;
    325         camLeft.y = 0;
    326         walkDirection.set(0, 0, 0);
    327         if (left) {
    328             walkDirection.addLocal(camLeft);
    329         }
    330         if (right) {
    331             walkDirection.addLocal(camLeft.negate());
    332         }
    333         if (up) {
    334             walkDirection.addLocal(camDir);
    335         }
    336         if (down) {
    337             walkDirection.addLocal(camDir.negate());
    338         }
    339         if (!character.onGround()) {
    340             airTime = airTime + tpf;
    341         } else {
    342             airTime = 0;
    343         }
    344         if (walkDirection.length() == 0) {
    345             if (!"stand".equals(animationChannel.getAnimationName())) {
    346                 animationChannel.setAnim("stand", 1f);
    347             }
    348         } else {
    349             character.setViewDirection(walkDirection);
    350             if (airTime > .3f) {
    351                 if (!"stand".equals(animationChannel.getAnimationName())) {
    352                     animationChannel.setAnim("stand");
    353                 }
    354             } else if (!"Walk".equals(animationChannel.getAnimationName())) {
    355                 animationChannel.setAnim("Walk", 0.7f);
    356             }
    357         }
    358         character.setWalkDirection(walkDirection);
    359     }
    360 
    361     public void onAction(String binding, boolean value, float tpf) {
    362         if (binding.equals("CharLeft")) {
    363             if (value) {
    364                 left = true;
    365             } else {
    366                 left = false;
    367             }
    368         } else if (binding.equals("CharRight")) {
    369             if (value) {
    370                 right = true;
    371             } else {
    372                 right = false;
    373             }
    374         } else if (binding.equals("CharUp")) {
    375             if (value) {
    376                 up = true;
    377             } else {
    378                 up = false;
    379             }
    380         } else if (binding.equals("CharDown")) {
    381             if (value) {
    382                 down = true;
    383             } else {
    384                 down = false;
    385             }
    386         } else if (binding.equals("CharSpace")) {
    387             character.jump();
    388         } else if (binding.equals("CharShoot") && !value) {
    389             bulletControl();
    390         }
    391     }
    392 
    393     private void bulletControl() {
    394         shootingChannel.setAnim("Dodge", 0.1f);
    395         shootingChannel.setLoopMode(LoopMode.DontLoop);
    396         Geometry bulletg = new Geometry("bullet", bullet);
    397         bulletg.setMaterial(matBullet);
    398         bulletg.setShadowMode(ShadowMode.CastAndReceive);
    399         bulletg.setLocalTranslation(character.getPhysicsLocation().add(cam.getDirection().mult(5)));
    400         RigidBodyControl bulletControl = new BombControl(bulletCollisionShape, 1);
    401         bulletControl.setCcdMotionThreshold(0.1f);
    402         bulletControl.setLinearVelocity(cam.getDirection().mult(80));
    403         bulletg.addControl(bulletControl);
    404         rootNode.attachChild(bulletg);
    405         getPhysicsSpace().add(bulletControl);
    406     }
    407 
    408     public void collision(PhysicsCollisionEvent event) {
    409         if (event.getObjectA() instanceof BombControl) {
    410             final Spatial node = event.getNodeA();
    411             effect.killAllParticles();
    412             effect.setLocalTranslation(node.getLocalTranslation());
    413             effect.emitAllParticles();
    414         } else if (event.getObjectB() instanceof BombControl) {
    415             final Spatial node = event.getNodeB();
    416             effect.killAllParticles();
    417             effect.setLocalTranslation(node.getLocalTranslation());
    418             effect.emitAllParticles();
    419         }
    420     }
    421 
    422     public void onAnimCycleDone(AnimControl control, AnimChannel channel, String animName) {
    423         if (channel == shootingChannel) {
    424             channel.setAnim("stand");
    425         }
    426     }
    427 
    428     public void onAnimChange(AnimControl control, AnimChannel channel, String animName) {
    429     }
    430 }
    431