Examples of com.jme3.scene.plugins.blender.file.FileBlockHeader

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

Examples of com.jme3.scene.plugins.blender.file.FileBlockHeader

com.jme3.scene.plugins.blender.file.FileBlockHeader
A class that holds the header data of a file block. The file block itself is not implemented. This class holds its start position in the stream and using this the structure can fill itself with the proper data. @author Marcin Roguski

        if (path.startsWith(File.separator)) {
          relPath = path.substring(1);
        } else {
          relPath = path;
        }
        Node model = (Node) assetManager.loadModel(relPath);
        if (model == null) {
          assetLogger.modelFinished();
          logger.log(Level.SEVERE, "Couldn't load model "+path);
          return null;
        }
        Geometry modelGeom = (Geometry) model.getChild(0);


        try {
          // trows an Exception if lod is not supported
          modelGeom.setLodLevel(0);

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     * @param obj the path to the object.
     **/
    public Node loadNode(String obj){
  Node node = new Node();
  try{
            Spatial spatial = assetManager.loadModel(obj);
            //Material mat = new Material(assetManager, "Common/MatDefs/Misc/ShowNormals.j3md");
            //spatial.setMaterial(mat);
            node.attachChild(spatial);


      node.setModelBound(new BoundingSphere());

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        app.start();
    }


    @Override
    public void simpleInitApp() {
        Spatial teapot = assetManager.loadModel("Models/Teapot/Teapot.obj");
       
        teapot.setLocalScale(2f);
        Material mat = new Material(assetManager, "Common/MatDefs/Light/Lighting.j3md");
        mat.setFloat("m_Shininess", 32f);
        mat.setBoolean("m_UseMaterialColors", true);


        mat.setColor("m_Ambient",  ColorRGBA.Black);
        mat.setColor("m_Diffuse",  ColorRGBA.Green);
        mat.setColor("m_Specular", ColorRGBA.Red);
        
        teapot.setMaterial(mat);
        rootNode.attachChild(teapot);


        lightMdl = new Geometry("Light", new Sphere(10, 10, 0.1f));
        lightMdl.setMaterial(assetManager.loadMaterial("Common/Materials/RedColor.j3m"));
        lightMdl.getMesh().setStatic();

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        try {
          // trows an Exception if lod is not supported
          modelGeom.setLodLevel(0);


          LodControl control = new LodControl();
          modelGeom.addControl(control);
        } catch (Exception e) {}
        assetLogger.modelFinished();
        camNode.detachAllChildren();
        camNode.attachChild(model);

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            // adding object's offset
            float[] objectOffset = new float[] { 0.0f, 0.0f, 0.0f };
            Pointer pOffsetObject = (Pointer) modifierData.get("offsetob");
            if (pOffsetObject != null) {
                FileBlockHeader offsetObjectBlock = blenderContext.getFileBlock(pOffsetObject.getOldMemoryAddress());
                ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
                try {// we take the structure in case the object was not yet loaded
                    Structure offsetStructure = offsetObjectBlock.getStructure(blenderContext);
                    Vector3f translation = objectHelper.getTransformation(offsetStructure, blenderContext).getTranslation();
                    objectOffset[0] = translation.x;
                    objectOffset[1] = translation.y;
                    objectOffset[2] = translation.z;
                } catch (BlenderFileException e) {
                    LOGGER.log(Level.WARNING, "Problems in blender file structure! Object offset cannot be applied! The problem: {0}", e.getMessage());
                }
            }
    
            // getting start and end caps
            Node[] caps = new Node[] { null, null };
            Pointer[] pCaps = new Pointer[] { (Pointer) modifierData.get("startcap"), (Pointer) modifierData.get("endcap") };
            for (int i = 0; i < pCaps.length; ++i) {
                if (pCaps[i] != null) {
                    caps[i] = (Node) blenderContext.getLoadedFeature(pCaps[i].getOldMemoryAddress(), LoadedFeatureDataType.LOADED_FEATURE);
                    if (caps[i] != null) {
                        caps[i] = (Node) caps[i].clone();
                    } else {
                        FileBlockHeader capBlock = blenderContext.getFileBlock(pOffsetObject.getOldMemoryAddress());
                        try {// we take the structure in case the object was not yet loaded
                            Structure capStructure = capBlock.getStructure(blenderContext);
                            ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
                            caps[i] = (Node) objectHelper.toObject(capStructure, blenderContext);
                            if (caps[i] == null) {
                                LOGGER.log(Level.WARNING, "Cap object ''{0}'' couldn''t be loaded!", capStructure.getName());
                            }

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        // loading the knots
        List<Float>[] knots = new List[2];
        Pointer[] pKnots = new Pointer[] { (Pointer) nurb.getFieldValue("knotsu"), (Pointer) nurb.getFieldValue("knotsv") };
        for (int i = 0; i < knots.length; ++i) {
            if (pKnots[i].isNotNull()) {
                FileBlockHeader fileBlockHeader = blenderContext.getFileBlock(pKnots[i].getOldMemoryAddress());
                BlenderInputStream blenderInputStream = blenderContext.getInputStream();
                blenderInputStream.setPosition(fileBlockHeader.getBlockPosition());
                int knotsAmount = fileBlockHeader.getCount() * fileBlockHeader.getSize() / 4;
                knots[i] = new ArrayList<Float>(knotsAmount);
                for (int j = 0; j < knotsAmount; ++j) {
                    knots[i].add(Float.valueOf(blenderInputStream.readFloat()));
                }
            }

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    public int getCurveType(Structure structure, BlenderContext blenderContext) {
        // reading rna path first
        BlenderInputStream bis = blenderContext.getInputStream();
        int currentPosition = bis.getPosition();
        Pointer pRnaPath = (Pointer) structure.getFieldValue("rna_path");
        FileBlockHeader dataFileBlock = blenderContext.getFileBlock(pRnaPath.getOldMemoryAddress());
        bis.setPosition(dataFileBlock.getBlockPosition());
        String rnaPath = bis.readString();
        bis.setPosition(currentPosition);
        int arrayIndex = ((Number) structure.getFieldValue("array_index")).intValue();


        // determining the curve type

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                result = this.loadImageFromFile(texturePath, imaflag, blenderContext);
            } else {
                LOGGER.fine("Packed texture. Reading directly from the blend file!");
                Structure packedFile = pPackedFile.fetchData().get(0);
                Pointer pData = (Pointer) packedFile.getFieldValue("data");
                FileBlockHeader dataFileBlock = blenderContext.getFileBlock(pData.getOldMemoryAddress());
                blenderContext.getInputStream().setPosition(dataFileBlock.getBlockPosition());
                ImageLoader imageLoader = new ImageLoader();


                // Should the texture be flipped? It works for sinbad ..
                result = new Texture2D(imageLoader.loadImage(blenderContext.getInputStream(), dataFileBlock.getBlockPosition(), true));
            }
        } else {
            result = new Texture2D(im);
        }
        return result;

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        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) {

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        // opening stream
        BlenderInputStream inputStream = new BlenderInputStream(assetInfo.openStream());


        // reading blocks
        blocks = new ArrayList<FileBlockHeader>();
        FileBlockHeader fileBlock;
        blenderContext = new BlenderContext();
        blenderContext.setBlenderVersion(inputStream.getVersionNumber());
        blenderContext.setAssetManager(assetInfo.getManager());
        blenderContext.setInputStream(inputStream);
        blenderContext.setBlenderKey(blenderKey);


        // creating helpers
        blenderContext.putHelper(AnimationHelper.class, new AnimationHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(TextureHelper.class, new TextureHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(MeshHelper.class, new MeshHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(ObjectHelper.class, new ObjectHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(CurvesHelper.class, new CurvesHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(LightHelper.class, new LightHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(CameraHelper.class, new CameraHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(ModifierHelper.class, new ModifierHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(MaterialHelper.class, new MaterialHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(ConstraintHelper.class, new ConstraintHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(ParticlesHelper.class, new ParticlesHelper(inputStream.getVersionNumber(), blenderContext));
        blenderContext.putHelper(LandscapeHelper.class, new LandscapeHelper(inputStream.getVersionNumber(), blenderContext));
        
        // reading the blocks (dna block is automatically saved in the blender context when found)
        FileBlockHeader sceneFileBlock = null;
        do {
            fileBlock = new FileBlockHeader(inputStream, blenderContext);
            if (!fileBlock.isDnaBlock()) {
                blocks.add(fileBlock);
                // save the scene's file block
                if (fileBlock.getCode() == FileBlockHeader.BLOCK_SC00) {
                    sceneFileBlock = fileBlock;
                }
            }
        } while (!fileBlock.isLastBlock());
        if (sceneFileBlock != null) {
            blenderContext.setSceneStructure(sceneFileBlock.getStructure(blenderContext));
        }
    }

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