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

Example 6 with Spatial

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

the class TextureAtlas method makeAtlasBatch.

/**
     * Creates one geometry out of the given root spatial and merges all single
     * textures into one texture of the given size.
     * @param spat The root spatial of the scene to batch
     * @param mgr An assetmanager that can be used to create the material.
     * @param atlasSize A size for the atlas texture, it has to be large enough to hold all single textures.
     * @return A new geometry that uses the generated texture atlas and merges all meshes of the root spatial, null if the atlas cannot be created because not all textures fit.
     */
public static Geometry makeAtlasBatch(Spatial spat, AssetManager mgr, int atlasSize) {
    List<Geometry> geometries = new ArrayList<Geometry>();
    GeometryBatchFactory.gatherGeoms(spat, geometries);
    TextureAtlas atlas = createAtlas(spat, atlasSize);
    if (atlas == null) {
        return null;
    }
    Geometry geom = new Geometry();
    Mesh mesh = new Mesh();
    GeometryBatchFactory.mergeGeometries(geometries, mesh);
    applyAtlasCoords(geometries, mesh, atlas);
    mesh.updateCounts();
    mesh.updateBound();
    geom.setMesh(mesh);
    Material mat = new Material(mgr, "Common/MatDefs/Light/Lighting.j3md");
    Texture diffuseMap = atlas.getAtlasTexture("DiffuseMap");
    Texture normalMap = atlas.getAtlasTexture("NormalMap");
    Texture specularMap = atlas.getAtlasTexture("SpecularMap");
    if (diffuseMap != null) {
        mat.setTexture("DiffuseMap", diffuseMap);
    }
    if (normalMap != null) {
        mat.setTexture("NormalMap", normalMap);
    }
    if (specularMap != null) {
        mat.setTexture("SpecularMap", specularMap);
    }
    mat.setFloat("Shininess", 16.0f);
    geom.setMaterial(mat);
    return geom;
}

Example 7 with Spatial

use of com.jme3.scene.Spatial 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 8 with Spatial

use of com.jme3.scene.Spatial 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);
        }
    }
}

Example 9 with Spatial

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

the class ObjectHelper method isParent.

/**
     * Checks if the first given OMA points to a parent of the second one.
     * The parent need not to be the direct one. This method should be called when we are sure
     * that both of the features are alred loaded because it does not check it.
     * The OMA's should point to a spatials, otherwise the function will throw ClassCastException.
     * @param supposedParentOMA
     *            the OMA of the node that we suppose might be a parent of the second one
     * @param spatialOMA
     *            the OMA of the scene's node
     * @return <b>true</b> if the first given OMA points to a parent of the second one and <b>false</b> otherwise
     */
public boolean isParent(Long supposedParentOMA, Long spatialOMA) {
    Spatial supposedParent = (Spatial) blenderContext.getLoadedFeature(supposedParentOMA, LoadedDataType.FEATURE);
    Spatial spatial = (Spatial) blenderContext.getLoadedFeature(spatialOMA, LoadedDataType.FEATURE);
    Spatial parent = spatial.getParent();
    while (parent != null) {
        if (parent.equals(supposedParent)) {
            return true;
        }
        parent = parent.getParent();
    }
    return false;
}

Example 10 with Spatial

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

the class CombinedTexture method generateSkyTexture.

/**
     * Generates a texture that will be used by the sky spatial.
     * The result texture has 6 layers. Every image in each layer has equal size and its shape is a square.
     * The size of each image is the maximum size (width or height) of the textures given.
     * The default sky generated texture size is used (this value is set in the BlenderKey) if no picture textures
     * are present or their sizes is lower than the generated texture size.
     * The textures of lower sizes are properly scaled.
     * All the textures are mixed into one and put as layers in the result texture.
     * 
     * @param horizontalColor
     *            the horizon color
     * @param zenithColor
     *            the zenith color
     * @param blenderContext
     *            the blender context
     * @return texture for the sky
     */
public TextureCubeMap generateSkyTexture(ColorRGBA horizontalColor, ColorRGBA zenithColor, BlenderContext blenderContext) {
    LOGGER.log(Level.FINE, "Preparing sky texture from {0} applied textures.", textureDatas.size());
    LOGGER.fine("Computing the texture size.");
    int size = -1;
    for (TextureData textureData : textureDatas) {
        if (textureData.texture instanceof Texture2D) {
            size = Math.max(textureData.texture.getImage().getWidth(), size);
            size = Math.max(textureData.texture.getImage().getHeight(), size);
        }
    }
    if (size < 0) {
        size = blenderContext.getBlenderKey().getSkyGeneratedTextureSize();
    }
    LOGGER.log(Level.FINE, "The sky texture size will be: {0}x{0}.", size);
    TextureCubeMap result = null;
    for (TextureData textureData : textureDatas) {
        TextureCubeMap texture = null;
        if (textureData.texture instanceof GeneratedTexture) {
            texture = ((GeneratedTexture) textureData.texture).generateSkyTexture(size, horizontalColor, zenithColor, blenderContext);
        } else {
            // first create a grayscale version of the image
            Image image = textureData.texture.getImage();
            if (image.getWidth() != image.getHeight() || image.getWidth() != size) {
                image = ImageUtils.resizeTo(image, size, size);
            }
            Image grayscaleImage = ImageUtils.convertToGrayscaleTexture(image);
            // add the sky colors to the image
            PixelInputOutput sourcePixelIO = PixelIOFactory.getPixelIO(grayscaleImage.getFormat());
            PixelInputOutput targetPixelIO = PixelIOFactory.getPixelIO(image.getFormat());
            TexturePixel texturePixel = new TexturePixel();
            for (int x = 0; x < image.getWidth(); ++x) {
                for (int y = 0; y < image.getHeight(); ++y) {
                    sourcePixelIO.read(grayscaleImage, 0, texturePixel, x, y);
                    // no matter which factor we use here, in grayscale they are all equal
                    texturePixel.intensity = texturePixel.red;
                    ImageUtils.color(texturePixel, horizontalColor, zenithColor);
                    targetPixelIO.write(image, 0, texturePixel, x, y);
                }
            }
            // create the cubemap texture from the coloured image
            ByteBuffer sourceData = image.getData(0);
            ArrayList<ByteBuffer> data = new ArrayList<ByteBuffer>(6);
            for (int i = 0; i < 6; ++i) {
                data.add(BufferUtils.clone(sourceData));
            }
            texture = new TextureCubeMap(new Image(image.getFormat(), image.getWidth(), image.getHeight(), 6, data, ColorSpace.Linear));
        }
        if (result == null) {
            result = texture;
        } else {
            ImageUtils.mix(result.getImage(), texture.getImage());
        }
    }
    return result;
}