Examples of com.jme3.scene.plugins.blender.file.Pointer.fetchData()

Package com.jme3.scene.plugins.blender.file

Class com.jme3.scene.plugins.blender.file.Pointer

Examples of com.jme3.scene.plugins.blender.file.Pointer.fetchData()

com.jme3.scene.plugins.blender.file.Pointer.fetchData()
This method fetches the data stored under the given address. @return the data read from the file @throws BlenderFileException this exception is thrown when the blend file structure is somehow invalid or corrupted

        // reading influence ipos for the constraints
        AnimationHelper animationHelper = blenderContext.getHelper(AnimationHelper.class);
        Map<String, Map<String, Ipo>> constraintsIpos = new HashMap<String, Map<String, Ipo>>();
        Pointer pActions = (Pointer) objectStructure.getFieldValue("action");
        if (pActions.isNotNull()) {
            List<Structure> actions = pActions.fetchData();
            for (Structure action : actions) {
                Structure chanbase = (Structure) action.getFieldValue("chanbase");
                List<Structure> actionChannels = chanbase.evaluateListBase();
                for (Structure actionChannel : actionChannels) {
                    Map<String, Ipo> ipos = new HashMap<String, Ipo>();

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                    List<Structure> constraintChannels = constChannels.evaluateListBase();
                    for (Structure constraintChannel : constraintChannels) {
                        Pointer pIpo = (Pointer) constraintChannel.getFieldValue("ipo");
                        if (pIpo.isNotNull()) {
                            String constraintName = constraintChannel.getFieldValue("name").toString();
                            Ipo ipo = animationHelper.fromIpoStructure(pIpo.fetchData().get(0), blenderContext);
                            ipos.put(constraintName, ipo);
                        }
                    }
                    String actionName = actionChannel.getFieldValue("name").toString();
                    constraintsIpos.put(actionName, ipos);

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        }


        // loading constraints connected with the object's bones
        Pointer pPose = (Pointer) objectStructure.getFieldValue("pose");
        if (pPose.isNotNull()) {
            List<Structure> poseChannels = ((Structure) pPose.fetchData().get(0).getFieldValue("chanbase")).evaluateListBase();
            for (Structure poseChannel : poseChannels) {
                List<Constraint> constraintsList = new ArrayList<Constraint>();
                Long boneOMA = Long.valueOf(((Pointer) poseChannel.getFieldValue("bone")).getOldMemoryAddress());


                // the name is read directly from structure because bone might

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        // loading constraints connected with the object itself
        List<Structure> constraints = ((Structure) objectStructure.getFieldValue("constraints")).evaluateListBase();
        if (constraints != null && constraints.size() > 0) {
            Pointer pData = (Pointer) objectStructure.getFieldValue("data");
            String dataType = pData.isNotNull() ? pData.fetchData().get(0).getType() : null;
            List<Constraint> constraintsList = new ArrayList<Constraint>(constraints.size());


            for (Structure constraint : constraints) {
                String constraintName = constraint.getFieldValue("name").toString();
                String objectName = objectStructure.getName();

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    public Constraint(Structure constraintStructure, Long ownerOMA, Ipo influenceIpo, BlenderContext blenderContext) throws BlenderFileException {
        this.blenderContext = blenderContext;
        name = constraintStructure.getFieldValue("name").toString();
        Pointer pData = (Pointer) constraintStructure.getFieldValue("data");
        if (pData.isNotNull()) {
            Structure data = pData.fetchData().get(0);
            constraintDefinition = ConstraintDefinitionFactory.createConstraintDefinition(data, ownerOMA, blenderContext);
            Pointer pTar = (Pointer) data.getFieldValue("tar");
            if (pTar != null && pTar.isNotNull()) {
                targetOMA = pTar.getOldMemoryAddress();
                targetSpace = Space.valueOf(((Number) constraintStructure.getFieldValue("tarspace")).byteValue());

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        ByteBuffer indicesData = BufferUtils.createByteBuffer(vertexListSize * MAXIMUM_WEIGHTS_PER_VERTEX);


        if (pDvert.isNotNull()) {// assigning weights and bone indices
            boolean warnAboutTooManyVertexWeights = false;
            // dverts.size() = verticesAmount (one dvert per vertex in blender)
            List<Structure> dverts = pDvert.fetchData();
            int vertexIndex = 0;
            // use tree map to sort weights from the lowest to the highest ones
            TreeMap<Float, Integer> weightToIndexMap = new TreeMap<Float, Integer>();


            for (Structure dvert : dverts) {

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                    int totweight = ((Number) dvert.getFieldValue("totweight")).intValue();
                    Pointer pDW = (Pointer) dvert.getFieldValue("dw");
                    if (totweight > 0 && groupToBoneIndexMap != null) {
                        weightToIndexMap.clear();
                        int weightIndex = 0;
                        List<Structure> dw = pDW.fetchData();
                        for (Structure deformWeight : dw) {
                            Integer boneIndex = groupToBoneIndexMap.get(((Number) deformWeight.getFieldValue("def_nr")).intValue());
                            float weight = ((Number) deformWeight.getFieldValue("weight")).floatValue();
                            // boneIndex == null: it here means that we came
                            // accross group that has no bone attached to, so

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                    break;
                case 2:// FITCURVE
                    Pointer pCurveOb = (Pointer) modifierStructure.getFieldValue("curve_ob");
                    float length = 0;
                    if (pCurveOb.isNotNull()) {
                        Structure curveStructure = pCurveOb.fetchData().get(0);
                        ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
                        Node curveObject = (Node) objectHelper.toObject(curveStructure, blenderContext);
                        Set<Number> referencesToCurveLengths = new HashSet<Number>(curveObject.getChildren().size());
                        for (Spatial spatial : curveObject.getChildren()) {
                            if (spatial instanceof Geometry) {

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    public ParticlesModifier(Structure modifierStructure, BlenderContext blenderContext) throws BlenderFileException {
        if (this.validate(modifierStructure, blenderContext)) {
            Pointer pParticleSystem = (Pointer) modifierStructure.getFieldValue("psys");
            if (pParticleSystem.isNotNull()) {
                ParticlesHelper particlesHelper = blenderContext.getHelper(ParticlesHelper.class);
                Structure particleSystem = pParticleSystem.fetchData().get(0);
                particleEmitter = particlesHelper.toParticleEmitter(particleSystem);
            }
        }
    }

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    public ArmatureModifier(Structure objectStructure, Structure modifierStructure, BlenderContext blenderContext) throws BlenderFileException {
        Structure meshStructure = ((Pointer) objectStructure.getFieldValue("data")).fetchData().get(0);
        if (this.validate(modifierStructure, blenderContext)) {
            Pointer pArmatureObject = (Pointer) modifierStructure.getFieldValue("object");
            if (pArmatureObject.isNotNull()) {
                armatureObject = pArmatureObject.fetchData().get(0);


                // load skeleton
                Structure armatureStructure = ((Pointer) armatureObject.getFieldValue("data")).fetchData().get(0);
                List<Structure> bonebase = ((Structure) armatureStructure.getFieldValue("bonebase")).evaluateListBase();
                List<Bone> bonesList = new ArrayList<Bone>();

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