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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 
main(String[] args)118     public static void main(String[] args) {
119         TestWalkingChar app = new TestWalkingChar();
120         app.start();
121     }
122 
123     @Override
simpleInitApp()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 
setupFilter()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 
getPhysicsSpace()148     private PhysicsSpace getPhysicsSpace() {
149         return bulletAppState.getPhysicsSpace();
150     }
151 
setupKeys()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 
createWall()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 
addBrick(Vector3f ori)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 
prepareBullet()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 
prepareEffect()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 
createLight()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 
createSky()239     private void createSky() {
240         rootNode.attachChild(SkyFactory.createSky(assetManager, "Textures/Sky/Bright/BrightSky.dds", false));
241     }
242 
createTerrain()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 
createCharacter()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 
setupChaseCamera()305     private void setupChaseCamera() {
306         flyCam.setEnabled(false);
307         chaseCam = new ChaseCamera(cam, model, inputManager);
308     }
309 
setupAnimationController()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
simpleUpdate(float tpf)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 
onAction(String binding, boolean value, float tpf)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 
bulletControl()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 
collision(PhysicsCollisionEvent event)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 
onAnimCycleDone(AnimControl control, AnimChannel channel, String animName)422     public void onAnimCycleDone(AnimControl control, AnimChannel channel, String animName) {
423         if (channel == shootingChannel) {
424             channel.setAnim("stand");
425         }
426     }
427 
onAnimChange(AnimControl control, AnimChannel channel, String animName)428     public void onAnimChange(AnimControl control, AnimChannel channel, String animName) {
429     }
430 }
431