Examples with Pointer com.jme3.scene.plugins.blender.file.Pointer used on opensource projects

Example 26 with Pointer

use of com.jme3.scene.plugins.blender.file.Pointer in project jmonkeyengine by jMonkeyEngine.

the class ObjectHelper method toObject.

/**
     * This method reads the given structure and createn an object that
     * represents the data.
     * 
     * @param objectStructure
     *            the object's structure
     * @param blenderContext
     *            the blender context
     * @return blener's object representation or null if its type is excluded from loading
     * @throws BlenderFileException
     *             an exception is thrown when the given data is inapropriate
     */
public Object toObject(Structure objectStructure, BlenderContext blenderContext) throws BlenderFileException {
    Object loadedResult = blenderContext.getLoadedFeature(objectStructure.getOldMemoryAddress(), LoadedDataType.FEATURE);
    if (loadedResult != null) {
        return loadedResult;
    }
    LOGGER.fine("Loading blender object.");
    if ("ID".equals(objectStructure.getType())) {
        Node object = (Node) this.loadLibrary(objectStructure);
        if (object.getParent() != null) {
            LOGGER.log(Level.FINEST, "Detaching object {0}, loaded from external file, from its parent.", object);
            object.getParent().detachChild(object);
        }
        return object;
    }
    int type = ((Number) objectStructure.getFieldValue("type")).intValue();
    ObjectType objectType = ObjectType.valueOf(type);
    LOGGER.log(Level.FINE, "Type of the object: {0}.", objectType);
    int lay = ((Number) objectStructure.getFieldValue("lay")).intValue();
    if ((lay & blenderContext.getBlenderKey().getLayersToLoad()) == 0) {
        LOGGER.fine("The layer this object is located in is not included in loading.");
        return null;
    }
    blenderContext.pushParent(objectStructure);
    String name = objectStructure.getName();
    LOGGER.log(Level.FINE, "Loading obejct: {0}", name);
    int restrictflag = ((Number) objectStructure.getFieldValue("restrictflag")).intValue();
    boolean visible = (restrictflag & 0x01) != 0;
    Pointer pParent = (Pointer) objectStructure.getFieldValue("parent");
    Object parent = blenderContext.getLoadedFeature(pParent.getOldMemoryAddress(), LoadedDataType.FEATURE);
    if (parent == null && pParent.isNotNull()) {
        Structure parentStructure = pParent.fetchData().get(0);
        parent = this.toObject(parentStructure, blenderContext);
    }
    Transform t = this.getTransformation(objectStructure, blenderContext);
    LOGGER.log(Level.FINE, "Importing object of type: {0}", objectType);
    Node result = null;
    try {
        switch(objectType) {
            case LATTICE:
            case METABALL:
            case TEXT:
            case WAVE:
                LOGGER.log(Level.WARNING, "{0} type is not supported but the node will be returned in order to keep parent - child relationship.", objectType);
            case EMPTY:
            case ARMATURE:
                // need to use an empty node to properly create
                // parent-children relationships between nodes
                result = new Node(name);
                break;
            case MESH:
                result = new Node(name);
                MeshHelper meshHelper = blenderContext.getHelper(MeshHelper.class);
                Pointer pMesh = (Pointer) objectStructure.getFieldValue("data");
                List<Structure> meshesArray = pMesh.fetchData();
                TemporalMesh temporalMesh = meshHelper.toTemporalMesh(meshesArray.get(0), blenderContext);
                if (temporalMesh != null) {
                    result.attachChild(temporalMesh);
                }
                break;
            case SURF:
            case CURVE:
                result = new Node(name);
                Pointer pCurve = (Pointer) objectStructure.getFieldValue("data");
                if (pCurve.isNotNull()) {
                    CurvesHelper curvesHelper = blenderContext.getHelper(CurvesHelper.class);
                    Structure curveData = pCurve.fetchData().get(0);
                    TemporalMesh curvesTemporalMesh = curvesHelper.toCurve(curveData, blenderContext);
                    if (curvesTemporalMesh != null) {
                        result.attachChild(curvesTemporalMesh);
                    }
                }
                break;
            case LAMP:
                Pointer pLamp = (Pointer) objectStructure.getFieldValue("data");
                if (pLamp.isNotNull()) {
                    LightHelper lightHelper = blenderContext.getHelper(LightHelper.class);
                    List<Structure> lampsArray = pLamp.fetchData();
                    Light light = lightHelper.toLight(lampsArray.get(0), blenderContext);
                    if (light == null) {
                        // probably some light type is not supported, just create a node so that we can maintain child-parent relationship for nodes
                        result = new Node(name);
                    } else {
                        result = new LightNode(name, light);
                    }
                }
                break;
            case CAMERA:
                Pointer pCamera = (Pointer) objectStructure.getFieldValue("data");
                if (pCamera.isNotNull()) {
                    CameraHelper cameraHelper = blenderContext.getHelper(CameraHelper.class);
                    List<Structure> camerasArray = pCamera.fetchData();
                    Camera camera = cameraHelper.toCamera(camerasArray.get(0), blenderContext);
                    if (camera == null) {
                        // just create a node so that we can maintain child-parent relationship for nodes
                        result = new Node(name);
                    } else {
                        result = new CameraNode(name, camera);
                    }
                }
                break;
            default:
                LOGGER.log(Level.WARNING, "Unsupported object type: {0}", type);
        }
        if (result != null) {
            LOGGER.fine("Storing loaded feature in blender context and applying markers (those will be removed before the final result is released).");
            Long oma = objectStructure.getOldMemoryAddress();
            blenderContext.addLoadedFeatures(oma, LoadedDataType.STRUCTURE, objectStructure);
            blenderContext.addLoadedFeatures(oma, LoadedDataType.FEATURE, result);
            blenderContext.addMarker(OMA_MARKER, result, objectStructure.getOldMemoryAddress());
            if (objectType == ObjectType.ARMATURE) {
                blenderContext.addMarker(ARMATURE_NODE_MARKER, result, Boolean.TRUE);
            }
            result.setLocalTransform(t);
            result.setCullHint(visible ? CullHint.Always : CullHint.Inherit);
            if (parent instanceof Node) {
                ((Node) parent).attachChild(result);
            }
            LOGGER.fine("Reading and applying object's modifiers.");
            ModifierHelper modifierHelper = blenderContext.getHelper(ModifierHelper.class);
            Collection<Modifier> modifiers = modifierHelper.readModifiers(objectStructure, blenderContext);
            for (Modifier modifier : modifiers) {
                modifier.apply(result, blenderContext);
            }
            if (result.getChildren() != null && result.getChildren().size() > 0) {
                if (result.getChildren().size() == 1 && result.getChild(0) instanceof TemporalMesh) {
                    LOGGER.fine("Converting temporal mesh into jme geometries.");
                    ((TemporalMesh) result.getChild(0)).toGeometries();
                }
                LOGGER.fine("Applying proper scale to the geometries.");
                for (Spatial child : result.getChildren()) {
                    if (child instanceof Geometry) {
                        this.flipMeshIfRequired((Geometry) child, child.getWorldScale());
                    }
                }
            }
            // I prefer do compute bounding box here than read it from the file
            result.updateModelBound();
            LOGGER.fine("Applying animations to the object if such are defined.");
            AnimationHelper animationHelper = blenderContext.getHelper(AnimationHelper.class);
            animationHelper.applyAnimations(result, blenderContext.getBlenderKey().getAnimationMatchMethod());
            LOGGER.fine("Loading constraints connected with this object.");
            ConstraintHelper constraintHelper = blenderContext.getHelper(ConstraintHelper.class);
            constraintHelper.loadConstraints(objectStructure, blenderContext);
            LOGGER.fine("Loading custom properties.");
            if (blenderContext.getBlenderKey().isLoadObjectProperties()) {
                Properties properties = this.loadProperties(objectStructure, blenderContext);
                // each value and set it to Spatial
                if (properties != null && properties.getValue() != null) {
                    this.applyProperties(result, properties);
                }
            }
        }
    } finally {
        blenderContext.popParent();
    }
    return result;
}

Example 27 with Pointer

use of com.jme3.scene.plugins.blender.file.Pointer in project jmonkeyengine by jMonkeyEngine.

the class Properties method load.

/**
     * This method loads the property from the belnder file.
     * @param idPropertyStructure
     *            the ID structure constining the property
     * @param blenderContext
     *            the blender context
     * @throws BlenderFileException
     *             an exception is thrown when the belnder file is somehow invalid
     */
public void load(Structure idPropertyStructure, BlenderContext blenderContext) throws BlenderFileException {
    name = idPropertyStructure.getFieldValue("name").toString();
    if (name == null || name.length() == 0) {
        name = DEFAULT_NAME;
    }
    subType = ((Number) idPropertyStructure.getFieldValue("subtype")).intValue();
    type = ((Number) idPropertyStructure.getFieldValue("type")).intValue();
    // reading the data
    Structure data = (Structure) idPropertyStructure.getFieldValue("data");
    int len = ((Number) idPropertyStructure.getFieldValue("len")).intValue();
    switch(type) {
        case IDP_STRING:
            {
                Pointer pointer = (Pointer) data.getFieldValue("pointer");
                BlenderInputStream bis = blenderContext.getInputStream();
                FileBlockHeader dataFileBlock = blenderContext.getFileBlock(pointer.getOldMemoryAddress());
                bis.setPosition(dataFileBlock.getBlockPosition());
                value = bis.readString();
                break;
            }
        case IDP_INT:
            int intValue = ((Number) data.getFieldValue("val")).intValue();
            value = Integer.valueOf(intValue);
            break;
        case IDP_FLOAT:
            int floatValue = ((Number) data.getFieldValue("val")).intValue();
            value = Float.valueOf(Float.intBitsToFloat(floatValue));
            break;
        case IDP_ARRAY:
            {
                Pointer pointer = (Pointer) data.getFieldValue("pointer");
                BlenderInputStream bis = blenderContext.getInputStream();
                FileBlockHeader dataFileBlock = blenderContext.getFileBlock(pointer.getOldMemoryAddress());
                bis.setPosition(dataFileBlock.getBlockPosition());
                int elementAmount = dataFileBlock.getSize();
                switch(subType) {
                    case IDP_INT:
                        elementAmount /= 4;
                        int[] intList = new int[elementAmount];
                        for (int i = 0; i < elementAmount; ++i) {
                            intList[i] = bis.readInt();
                        }
                        value = intList;
                        break;
                    case IDP_FLOAT:
                        elementAmount /= 4;
                        float[] floatList = new float[elementAmount];
                        for (int i = 0; i < elementAmount; ++i) {
                            floatList[i] = bis.readFloat();
                        }
                        value = floatList;
                        break;
                    case IDP_DOUBLE:
                        elementAmount /= 8;
                        double[] doubleList = new double[elementAmount];
                        for (int i = 0; i < elementAmount; ++i) {
                            doubleList[i] = bis.readDouble();
                        }
                        value = doubleList;
                        break;
                    default:
                        throw new IllegalStateException("Invalid array subtype: " + subType);
                }
            }
        case IDP_GROUP:
            Structure group = (Structure) data.getFieldValue("group");
            List<Structure> dataList = group.evaluateListBase();
            List<Properties> subProperties = new ArrayList<Properties>(len);
            for (Structure d : dataList) {
                Properties properties = new Properties();
                properties.load(d, blenderContext);
                subProperties.add(properties);
            }
            value = subProperties;
            break;
        case IDP_DOUBLE:
            int doublePart1 = ((Number) data.getFieldValue("val")).intValue();
            int doublePart2 = ((Number) data.getFieldValue("val2")).intValue();
            long doubleVal = (long) doublePart2 << 32 | doublePart1;
            value = Double.valueOf(Double.longBitsToDouble(doubleVal));
            break;
        case IDP_IDPARRAY:
            {
                Pointer pointer = (Pointer) data.getFieldValue("pointer");
                List<Structure> arrays = pointer.fetchData();
                List<Object> result = new ArrayList<Object>(arrays.size());
                Properties temp = new Properties();
                for (Structure array : arrays) {
                    temp.load(array, blenderContext);
                    result.add(temp.value);
                }
                value = result;
                break;
            }
        case IDP_NUMTYPES:
            throw new UnsupportedOperationException();
        // return null;
        default:
            throw new IllegalStateException("Unknown custom property type: " + type);
    }
    this.completeLoading();
}

Example 28 with Pointer

use of com.jme3.scene.plugins.blender.file.Pointer in project jmonkeyengine by jMonkeyEngine.

the class CurvesTemporalMesh method loadBevelObject.

/**
     * The method loads the bevel object that sould be applied to curve. It can either be another curve or a generated one
     * based on the bevel generating parameters in blender.
     * @param curveStructure
     *            the structure with the curve's data (the curve being loaded, NOT the bevel curve)
     * @return the curve's bevel object
     * @throws BlenderFileException
     *             an exception is thrown when problems with reading occur
     */
@SuppressWarnings("unchecked")
private CurvesTemporalMesh loadBevelObject(Structure curveStructure) throws BlenderFileException {
    CurvesTemporalMesh bevelObject = null;
    Pointer pBevelObject = (Pointer) curveStructure.getFieldValue("bevobj");
    boolean cyclic = false;
    if (pBevelObject.isNotNull()) {
        Structure bevelObjectStructure = pBevelObject.fetchData().get(0);
        DynamicArray<Number> scaleArray = (DynamicArray<Number>) bevelObjectStructure.getFieldValue("size");
        Vector3f scale = blenderContext.getBlenderKey().isFixUpAxis() ? new Vector3f(scaleArray.get(0).floatValue(), scaleArray.get(1).floatValue(), scaleArray.get(2).floatValue()) : new Vector3f(scaleArray.get(0).floatValue(), scaleArray.get(2).floatValue(), scaleArray.get(1).floatValue());
        Pointer pBevelStructure = (Pointer) bevelObjectStructure.getFieldValue("data");
        Structure bevelStructure = pBevelStructure.fetchData().get(0);
        bevelObject = new CurvesTemporalMesh(bevelStructure, scale, false, blenderContext);
        // transforming the bezier lines from plane XZ to plane YZ
        for (BezierLine bl : bevelObject.beziers) {
            for (Vector3f v : bl.vertices) {
                // casting the bezier curve orthogonally on the plane XZ (making Y = 0) and then moving the plane XZ to ZY in a way that:
                // -Z => +Y and +X => +Z and +Y => +X (but because casting would make Y = 0, then we simply set X = 0)
                v.y = -v.z;
                v.z = v.x;
                v.x = 0;
            }
            // bevel curves should not have repeated the first vertex at the end when they are cyclic (this is handled differently)
            if (bl.isCyclic()) {
                bl.removeLastVertex();
            }
        }
    } else {
        // this option is inactive in blender when there is no bevel object applied
        fillCaps = false;
        int bevResol = ((Number) curveStructure.getFieldValue("bevresol")).intValue();
        float extrude = ((Number) curveStructure.getFieldValue("ext1")).floatValue();
        float bevelDepth = ((Number) curveStructure.getFieldValue("ext2")).floatValue();
        float offset = ((Number) curveStructure.getFieldValue("offset", 0)).floatValue();
        if (offset != 0) {
            // TODO: add support for offset parameter
            LOGGER.warning("Offset parameter not yet supported.");
        }
        Curve bevelCurve = null;
        if (bevelDepth > 0.0f) {
            float handlerLength = bevelDepth / 2.0f;
            cyclic = !isFront && !isBack;
            List<Vector3f> conrtolPoints = new ArrayList<Vector3f>();
            // when neither fron and back face is selected all version behave the same and draw full bevel around the curve
            if (cyclic || blenderContext.getBlenderVersion() < 253) {
                conrtolPoints.add(new Vector3f(0, -extrude - bevelDepth, 0));
                conrtolPoints.add(new Vector3f(0, -extrude - bevelDepth, -handlerLength));
                conrtolPoints.add(new Vector3f(0, -extrude - handlerLength, -bevelDepth));
                conrtolPoints.add(new Vector3f(0, -extrude, -bevelDepth));
                conrtolPoints.add(new Vector3f(0, -extrude + handlerLength, -bevelDepth));
                if (extrude > 0) {
                    conrtolPoints.add(new Vector3f(0, extrude - handlerLength, -bevelDepth));
                    conrtolPoints.add(new Vector3f(0, extrude, -bevelDepth));
                    conrtolPoints.add(new Vector3f(0, extrude + handlerLength, -bevelDepth));
                }
                conrtolPoints.add(new Vector3f(0, extrude + bevelDepth, -handlerLength));
                conrtolPoints.add(new Vector3f(0, extrude + bevelDepth, 0));
                if (cyclic) {
                    conrtolPoints.add(new Vector3f(0, extrude + bevelDepth, handlerLength));
                    conrtolPoints.add(new Vector3f(0, extrude + handlerLength, bevelDepth));
                    conrtolPoints.add(new Vector3f(0, extrude, bevelDepth));
                    conrtolPoints.add(new Vector3f(0, extrude - handlerLength, bevelDepth));
                    if (extrude > 0) {
                        conrtolPoints.add(new Vector3f(0, -extrude + handlerLength, bevelDepth));
                        conrtolPoints.add(new Vector3f(0, -extrude, bevelDepth));
                        conrtolPoints.add(new Vector3f(0, -extrude - handlerLength, bevelDepth));
                    }
                    conrtolPoints.add(new Vector3f(0, -extrude - bevelDepth, handlerLength));
                    conrtolPoints.add(new Vector3f(0, -extrude - bevelDepth, 0));
                }
            } else {
                if (extrude > 0) {
                    if (isBack) {
                        conrtolPoints.add(new Vector3f(0, -extrude - bevelDepth, 0));
                        conrtolPoints.add(new Vector3f(0, -extrude - bevelDepth, -handlerLength));
                        conrtolPoints.add(new Vector3f(0, -extrude - handlerLength, -bevelDepth));
                    }
                    conrtolPoints.add(new Vector3f(0, -extrude, -bevelDepth));
                    conrtolPoints.add(new Vector3f(0, -extrude + handlerLength, -bevelDepth));
                    conrtolPoints.add(new Vector3f(0, extrude - handlerLength, -bevelDepth));
                    conrtolPoints.add(new Vector3f(0, extrude, -bevelDepth));
                    if (isFront) {
                        conrtolPoints.add(new Vector3f(0, extrude + handlerLength, -bevelDepth));
                        conrtolPoints.add(new Vector3f(0, extrude + bevelDepth, -handlerLength));
                        conrtolPoints.add(new Vector3f(0, extrude + bevelDepth, 0));
                    }
                } else {
                    if (isFront && isBack) {
                        conrtolPoints.add(new Vector3f(0, -bevelDepth, 0));
                        conrtolPoints.add(new Vector3f(0, -bevelDepth, -handlerLength));
                        conrtolPoints.add(new Vector3f(0, -handlerLength, -bevelDepth));
                        conrtolPoints.add(new Vector3f(0, 0, -bevelDepth));
                        conrtolPoints.add(new Vector3f(0, handlerLength, -bevelDepth));
                        conrtolPoints.add(new Vector3f(0, bevelDepth, -handlerLength));
                        conrtolPoints.add(new Vector3f(0, bevelDepth, 0));
                    } else {
                        if (isBack) {
                            conrtolPoints.add(new Vector3f(0, -bevelDepth, 0));
                            conrtolPoints.add(new Vector3f(0, -bevelDepth, -handlerLength));
                            conrtolPoints.add(new Vector3f(0, -handlerLength, -bevelDepth));
                            conrtolPoints.add(new Vector3f(0, 0, -bevelDepth));
                        } else {
                            conrtolPoints.add(new Vector3f(0, 0, -bevelDepth));
                            conrtolPoints.add(new Vector3f(0, handlerLength, -bevelDepth));
                            conrtolPoints.add(new Vector3f(0, bevelDepth, -handlerLength));
                            conrtolPoints.add(new Vector3f(0, bevelDepth, 0));
                        }
                    }
                }
            }
            bevelCurve = new Curve(new Spline(SplineType.Bezier, conrtolPoints, 0, false), bevResol);
        } else if (extrude > 0.0f) {
            Spline bevelSpline = new Spline(SplineType.Linear, new Vector3f[] { new Vector3f(0, extrude, 0), new Vector3f(0, -extrude, 0) }, 1, false);
            bevelCurve = new Curve(bevelSpline, bevResol);
        }
        if (bevelCurve != null) {
            bevelObject = new CurvesTemporalMesh(blenderContext);
            FloatBuffer vertsBuffer = (FloatBuffer) bevelCurve.getBuffer(Type.Position).getData();
            Vector3f[] verts = BufferUtils.getVector3Array(vertsBuffer);
            if (cyclic) {
                // get rid of the last vertex which is identical to the first one
                verts = Arrays.copyOf(verts, verts.length - 1);
            }
            bevelObject.beziers.add(new BezierLine(verts, 0, false, cyclic));
        }
    }
    return bevelObject;
}

Example 29 with Pointer

use of com.jme3.scene.plugins.blender.file.Pointer in project jmonkeyengine by jMonkeyEngine.

the class CurvesTemporalMesh method loadBezierCurve.

/**
     * The methods loads the bezier curve from the given structure.
     * @param nurbStructure
     *            the structure containing a single curve definition
     * @param materialIndex
     *            the index of this segment's material
     * @throws BlenderFileException
     *             an exception is thrown when problems with reading occur
     */
private void loadBezierCurve(Structure nurbStructure, int materialIndex) throws BlenderFileException {
    Pointer pBezierTriple = (Pointer) nurbStructure.getFieldValue("bezt");
    if (pBezierTriple.isNotNull()) {
        int resolution = ((Number) nurbStructure.getFieldValue("resolu")).intValue();
        boolean cyclic = (((Number) nurbStructure.getFieldValue("flagu")).intValue() & 0x01) != 0;
        boolean smooth = (((Number) nurbStructure.getFieldValue("flag")).intValue() & FLAG_SMOOTH) != 0;
        // creating the curve object
        BezierCurve bezierCurve = new BezierCurve(0, pBezierTriple.fetchData(), 3, blenderContext.getBlenderKey().isFixUpAxis());
        List<Vector3f> controlPoints = bezierCurve.getControlPoints();
        if (cyclic) {
            // copy the first three points at the end
            for (int i = 0; i < 3; ++i) {
                controlPoints.add(controlPoints.get(i));
            }
        }
        // removing the first and last handles
        controlPoints.remove(0);
        controlPoints.remove(controlPoints.size() - 1);
        // creating curve
        Curve curve = new Curve(new Spline(SplineType.Bezier, controlPoints, 0, false), resolution);
        FloatBuffer vertsBuffer = (FloatBuffer) curve.getBuffer(Type.Position).getData();
        beziers.add(new BezierLine(BufferUtils.getVector3Array(vertsBuffer), materialIndex, smooth, cyclic));
    }
}

Example 30 with Pointer

use of com.jme3.scene.plugins.blender.file.Pointer in project jmonkeyengine by jMonkeyEngine.

the class Point method loadAll.

/**
     * Loads all points of the mesh that do not belong to any edge.
     * @param meshStructure
     *            the mesh structure
     * @return a list of points
     * @throws BlenderFileException
     *             an exception is thrown when problems with file reading occur
     */
public static List<Point> loadAll(Structure meshStructure) throws BlenderFileException {
    LOGGER.log(Level.FINE, "Loading all points that do not belong to any edge from mesh: {0}", meshStructure.getName());
    List<Point> result = new ArrayList<Point>();
    Pointer pMEdge = (Pointer) meshStructure.getFieldValue("medge");
    if (pMEdge.isNotNull()) {
        int count = ((Number) meshStructure.getFieldValue("totvert")).intValue();
        Set<Integer> unusedVertices = new HashSet<Integer>(count);
        for (int i = 0; i < count; ++i) {
            unusedVertices.add(i);
        }
        List<Structure> edges = pMEdge.fetchData();
        for (Structure edge : edges) {
            unusedVertices.remove(((Number) edge.getFieldValue("v1")).intValue());
            unusedVertices.remove(((Number) edge.getFieldValue("v2")).intValue());
        }
        for (Integer unusedIndex : unusedVertices) {
            result.add(new Point(unusedIndex));
        }
    }
    LOGGER.log(Level.FINE, "Loaded {0} points.", result.size());
    return result;
}