Examples with Node com.jme3.scene.Node used on opensource projects

Example 11 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class GeometryBatchFactory method alignBuffers.

/**
     * Will ensure that all the geometries' meshes of the n sub graph have the 
     * same types of buffers
     * @param n the node to gather geometries from
     * @param option the align options 
     * @see AlignOption
     * 
     * Very experimental for now.
     */
public static void alignBuffers(Node n, AlignOption option) {
    List<Geometry> geoms = new ArrayList<Geometry>();
    gatherGeoms(n, geoms);
    //gather buffer types
    Map<VertexBuffer.Type, VertexBuffer> types = new EnumMap<VertexBuffer.Type, VertexBuffer>(VertexBuffer.Type.class);
    Map<VertexBuffer.Type, Integer> typesCount = new EnumMap<VertexBuffer.Type, Integer>(VertexBuffer.Type.class);
    for (Geometry geom : geoms) {
        for (VertexBuffer buffer : geom.getMesh().getBufferList()) {
            if (types.get(buffer.getBufferType()) == null) {
                types.put(buffer.getBufferType(), buffer);
                logger.log(Level.FINE, buffer.getBufferType().toString());
            }
            Integer count = typesCount.get(buffer.getBufferType());
            if (count == null) {
                count = 0;
            }
            count++;
            typesCount.put(buffer.getBufferType(), count);
        }
    }
    switch(option) {
        case RemoveUnalignedBuffers:
            for (Geometry geom : geoms) {
                for (VertexBuffer buffer : geom.getMesh().getBufferList()) {
                    Integer count = typesCount.get(buffer.getBufferType());
                    if (count != null && count < geoms.size()) {
                        geom.getMesh().clearBuffer(buffer.getBufferType());
                        logger.log(Level.FINE, "removing {0} from {1}", new Object[] { buffer.getBufferType(), geom.getName() });
                    }
                }
            }
            break;
        case CreateMissingBuffers:
            for (Geometry geom : geoms) {
                for (VertexBuffer.Type type : types.keySet()) {
                    if (geom.getMesh().getBuffer(type) == null) {
                        VertexBuffer vb = new VertexBuffer(type);
                        Buffer b;
                        switch(type) {
                            case Index:
                            case BoneIndex:
                            case HWBoneIndex:
                                b = BufferUtils.createIntBuffer(geom.getMesh().getVertexCount() * types.get(type).getNumComponents());
                                break;
                            case InterleavedData:
                                b = BufferUtils.createByteBuffer(geom.getMesh().getVertexCount() * types.get(type).getNumComponents());
                                break;
                            default:
                                b = BufferUtils.createFloatBuffer(geom.getMesh().getVertexCount() * types.get(type).getNumComponents());
                        }
                        vb.setupData(types.get(type).getUsage(), types.get(type).getNumComponents(), types.get(type).getFormat(), b);
                        geom.getMesh().setBuffer(vb);
                        logger.log(Level.FINE, "geom {0} misses buffer {1}. Creating", new Object[] { geom.getName(), type });
                    }
                }
            }
            break;
    }
}

Example 12 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class TextureAtlas method createAtlas.

/**
     * Create a texture atlas for the given root node, containing DiffuseMap, NormalMap and SpecularMap.
     * @param root The rootNode to create the atlas for.
     * @param atlasSize The size of the atlas (width and height).
     * @return Null if the atlas cannot be created because not all textures fit.
     */
public static TextureAtlas createAtlas(Spatial root, int atlasSize) {
    List<Geometry> geometries = new ArrayList<Geometry>();
    GeometryBatchFactory.gatherGeoms(root, geometries);
    TextureAtlas atlas = new TextureAtlas(atlasSize, atlasSize);
    for (Geometry geometry : geometries) {
        if (!atlas.addGeometry(geometry)) {
            logger.log(Level.WARNING, "Texture atlas size too small, cannot add all textures");
            return null;
        }
    }
    return atlas;
}

Example 13 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class LightSortTest method testSceneGraphSort.

@Test
public void testSceneGraphSort() {
    Node n = new Node("node");
    Geometry g = new Geometry("geom", new Mesh());
    SpotLight spot = new SpotLight(Vector3f.ZERO, Vector3f.UNIT_X);
    PointLight point = new PointLight(Vector3f.UNIT_X);
    DirectionalLight directional = new DirectionalLight(Vector3f.UNIT_X);
    AmbientLight ambient = new AmbientLight();
    // Some lights are on the node
    n.addLight(spot);
    n.addLight(point);
    // .. and some on the geometry.
    g.addLight(directional);
    g.addLight(ambient);
    n.attachChild(g);
    n.updateGeometricState();
    LightList list = g.getWorldLightList();
    // check the sorting (when geom is at 0,0,0)
    assert list.get(0) instanceof AmbientLight;
    assert list.get(1) instanceof DirectionalLight;
    assert list.get(2) instanceof SpotLight;
    assert list.get(3) instanceof PointLight;
    // move the geometry closer to the point light
    g.setLocalTranslation(Vector3f.UNIT_X);
    n.updateGeometricState();
    assert list.get(0) instanceof AmbientLight;
    assert list.get(1) instanceof DirectionalLight;
    assert list.get(2) instanceof PointLight;
    assert list.get(3) instanceof SpotLight;
// now move the point light away from the geometry
// and the spot light closer
// XXX: doesn't work! jME can't detect that the light moved!
//        point.setPosition(Vector3f.ZERO);
//        spot.setPosition(Vector3f.UNIT_X);
//        n.updateGeometricState();
//        
//        assert list.get(0) instanceof AmbientLight;
//        assert list.get(1) instanceof DirectionalLight;
//        assert list.get(2) instanceof SpotLight;
//        assert list.get(3) instanceof PointLight;
}

Example 14 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class FbxBindPose method fromElement.

@Override
public void fromElement(FbxElement element) {
    super.fromElement(element);
    for (FbxElement child : element.children) {
        if (!child.id.equals("PoseNode")) {
            continue;
        }
        FbxId node = null;
        float[] matData = null;
        for (FbxElement e : child.children) {
            if (e.id.equals("Node")) {
                node = FbxId.create(e.properties.get(0));
            } else if (e.id.equals("Matrix")) {
                double[] matDataDoubles = (double[]) e.properties.get(0);
                if (matDataDoubles.length != 16) {
                    // corrupt
                    throw new UnsupportedOperationException("Bind pose matrix " + "must have 16 doubles, but it has " + matDataDoubles.length + ". Data is corrupt");
                }
                matData = new float[16];
                for (int i = 0; i < matDataDoubles.length; i++) {
                    matData[i] = (float) matDataDoubles[i];
                }
            }
        }
        if (node != null && matData != null) {
            Matrix4f matrix = new Matrix4f(matData);
            bindPose.put(node, matrix);
        }
    }
}

Example 15 with Node

use of com.jme3.scene.Node in project jmonkeyengine by jMonkeyEngine.

the class FbxLoader method constructAnimations.

private void constructAnimations() {
    // In FBX, animation are not attached to any root.
    // They are implicitly global.
    // So, we need to use hueristics to find which node(s) 
    // an animation is associated with, so we can create the AnimControl
    // in the appropriate location in the scene.
    Map<FbxToJmeTrack, FbxToJmeTrack> pairs = new HashMap<FbxToJmeTrack, FbxToJmeTrack>();
    for (FbxAnimStack stack : animStacks) {
        for (FbxAnimLayer layer : stack.getLayers()) {
            for (FbxAnimCurveNode curveNode : layer.getAnimationCurveNodes()) {
                for (Map.Entry<FbxNode, String> nodePropertyEntry : curveNode.getInfluencedNodeProperties().entrySet()) {
                    FbxToJmeTrack lookupPair = new FbxToJmeTrack();
                    lookupPair.animStack = stack;
                    lookupPair.animLayer = layer;
                    lookupPair.node = nodePropertyEntry.getKey();
                    // Find if this pair is already stored
                    FbxToJmeTrack storedPair = pairs.get(lookupPair);
                    if (storedPair == null) {
                        // If not, store it.
                        storedPair = lookupPair;
                        pairs.put(storedPair, storedPair);
                    }
                    String property = nodePropertyEntry.getValue();
                    storedPair.animCurves.put(property, curveNode);
                }
            }
        }
    }
    // At this point we can construct the animation for all pairs ...
    for (FbxToJmeTrack pair : pairs.values()) {
        String animName = pair.animStack.getName();
        float duration = pair.animStack.getDuration();
        System.out.println("ANIMATION: " + animName + ", duration = " + duration);
        System.out.println("NODE: " + pair.node.getName());
        duration = pair.getDuration();
        if (pair.node instanceof FbxLimbNode) {
            // Find the spatial that has the skeleton for this limb.
            FbxLimbNode limbNode = (FbxLimbNode) pair.node;
            Bone bone = limbNode.getJmeBone();
            Spatial jmeSpatial = limbNode.getSkeletonHolder().getJmeObject();
            Skeleton skeleton = limbNode.getSkeletonHolder().getJmeSkeleton();
            // Get the animation control (create if missing).
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl.getSkeleton() != skeleton) {
                throw new UnsupportedOperationException();
            }
            // Get the animation (create if missing).
            Animation anim = animControl.getAnim(animName);
            if (anim == null) {
                anim = new Animation(animName, duration);
                animControl.addAnim(anim);
            }
            // Find the bone index from the spatial's skeleton.
            int boneIndex = skeleton.getBoneIndex(bone);
            // Generate the bone track.
            BoneTrack bt = pair.toJmeBoneTrack(boneIndex, bone.getBindInverseTransform());
            // Add the bone track to the animation.
            anim.addTrack(bt);
        } else {
            // Create the spatial animation
            Animation anim = new Animation(animName, duration);
            anim.setTracks(new Track[] { pair.toJmeSpatialTrack() });
            // Get the animation control (create if missing).
            Spatial jmeSpatial = pair.node.getJmeObject();
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl == null) {
                animControl = new AnimControl(null);
                jmeSpatial.addControl(animControl);
            }
            // Add the spatial animation
            animControl.addAnim(anim);
        }
    }
}