Examples with ObjectHelper com.jme3.scene.plugins.blender.objects.ObjectHelper used on opensource projects

Example 1 with ObjectHelper

use of com.jme3.scene.plugins.blender.objects.ObjectHelper in project jmonkeyengine by jMonkeyEngine.

the class MirrorModifier method apply.

@Override
public void apply(Node node, BlenderContext blenderContext) {
    if (invalid) {
        LOGGER.log(Level.WARNING, "Mirror modifier is invalid! Cannot be applied to: {0}", node.getName());
    } else {
        TemporalMesh temporalMesh = this.getTemporalMesh(node);
        if (temporalMesh != null) {
            LOGGER.log(Level.FINE, "Applying mirror modifier to: {0}", temporalMesh);
            Vector3f mirrorPlaneCenter = new Vector3f();
            if (pMirrorObject.isNotNull()) {
                Structure objectStructure;
                try {
                    objectStructure = pMirrorObject.fetchData().get(0);
                    ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
                    Node object = (Node) objectHelper.toObject(objectStructure, blenderContext);
                    if (object != null) {
                        // compute the mirror object coordinates in node's local space
                        mirrorPlaneCenter = this.getWorldMatrix(node).invertLocal().mult(object.getWorldTranslation());
                    }
                } catch (BlenderFileException e) {
                    LOGGER.log(Level.SEVERE, "Cannot load mirror''s reference object. Cause: {0}", e.getLocalizedMessage());
                    LOGGER.log(Level.SEVERE, "Mirror modifier will not be applied to node named: {0}", node.getName());
                    return;
                }
            }
            LOGGER.finest("Allocating temporal variables.");
            float d;
            Vector3f mirrorPlaneNormal = new Vector3f();
            Vector3f shiftVector = new Vector3f();
            LOGGER.fine("Mirroring mesh.");
            for (int mirrorIndex = 0; mirrorIndex < 3; ++mirrorIndex) {
                if (isMirrored[mirrorIndex]) {
                    boolean mirrorAtPoint0 = mirrorPlaneCenter.get(mirrorIndex) == 0;
                    if (!mirrorAtPoint0) {
                        // compute mirror's plane normal vector in node's space
                        mirrorPlaneNormal.set(0, 0, 0).set(mirrorIndex, Math.signum(mirrorPlaneCenter.get(mirrorIndex)));
                    }
                    TemporalMesh mirror = temporalMesh.clone();
                    for (int i = 0; i < mirror.getVertexCount(); ++i) {
                        Vector3f vertex = mirror.getVertices().get(i);
                        Vector3f normal = mirror.getNormals().get(i);
                        if (mirrorAtPoint0) {
                            d = Math.abs(vertex.get(mirrorIndex));
                            shiftVector.set(0, 0, 0).set(mirrorIndex, -vertex.get(mirrorIndex));
                        } else {
                            d = this.computeDistanceFromPlane(vertex, mirrorPlaneCenter, mirrorPlaneNormal);
                            mirrorPlaneNormal.mult(d, shiftVector);
                        }
                        if (merge && d <= tolerance) {
                            vertex.addLocal(shiftVector);
                            normal.set(mirrorIndex, 0);
                            temporalMesh.getVertices().get(i).addLocal(shiftVector);
                            temporalMesh.getNormals().get(i).set(mirrorIndex, 0);
                        } else {
                            vertex.addLocal(shiftVector.multLocal(2));
                            normal.set(mirrorIndex, -normal.get(mirrorIndex));
                        }
                    }
                    // flipping the indexes
                    for (Face face : mirror.getFaces()) {
                        face.flipIndexes();
                    }
                    for (Edge edge : mirror.getEdges()) {
                        edge.flipIndexes();
                    }
                    Collections.reverse(mirror.getPoints());
                    if (mirrorU || mirrorV) {
                        for (Face face : mirror.getFaces()) {
                            face.flipUV(mirrorU, mirrorV);
                        }
                    }
                    temporalMesh.append(mirror);
                }
            }
        } else {
            LOGGER.log(Level.WARNING, "Cannot find temporal mesh for node: {0}. The modifier will NOT be applied!", node);
        }
    }
}

Example 2 with ObjectHelper

use of com.jme3.scene.plugins.blender.objects.ObjectHelper in project jmonkeyengine by jMonkeyEngine.

the class ArrayModifier method apply.

@Override
public void apply(Node node, BlenderContext blenderContext) {
    if (invalid) {
        LOGGER.log(Level.WARNING, "Array modifier is invalid! Cannot be applied to: {0}", node.getName());
    } else {
        TemporalMesh temporalMesh = this.getTemporalMesh(node);
        if (temporalMesh != null) {
            LOGGER.log(Level.FINE, "Applying array modifier to: {0}", temporalMesh);
            if (offset == null) {
                // the node will be repeated several times in the same place
                offset = new float[] { 0.0f, 0.0f, 0.0f };
            }
            if (scale == null) {
                // the node will be repeated several times in the same place
                scale = new float[] { 0.0f, 0.0f, 0.0f };
            } else {
                // getting bounding box
                temporalMesh.updateModelBound();
                BoundingVolume boundingVolume = temporalMesh.getWorldBound();
                if (boundingVolume instanceof BoundingBox) {
                    scale[0] *= ((BoundingBox) boundingVolume).getXExtent() * 2.0f;
                    scale[1] *= ((BoundingBox) boundingVolume).getYExtent() * 2.0f;
                    scale[2] *= ((BoundingBox) boundingVolume).getZExtent() * 2.0f;
                } else if (boundingVolume instanceof BoundingSphere) {
                    float radius = ((BoundingSphere) boundingVolume).getRadius();
                    scale[0] *= radius * 2.0f;
                    scale[1] *= radius * 2.0f;
                    scale[2] *= radius * 2.0f;
                } else {
                    throw new IllegalStateException("Unknown bounding volume type: " + boundingVolume.getClass().getName());
                }
            }
            // adding object's offset
            float[] objectOffset = new float[] { 0.0f, 0.0f, 0.0f };
            if (pOffsetObject != null && pOffsetObject.isNotNull()) {
                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
            MeshHelper meshHelper = blenderContext.getHelper(MeshHelper.class);
            TemporalMesh[] caps = new TemporalMesh[] { null, null };
            Pointer[] pCaps = new Pointer[] { pStartCap, pEndCap };
            for (int i = 0; i < pCaps.length; ++i) {
                if (pCaps[i].isNotNull()) {
                    FileBlockHeader capBlock = blenderContext.getFileBlock(pCaps[i].getOldMemoryAddress());
                    try {
                        // we take the structure in case the object was not yet loaded
                        Structure capStructure = capBlock.getStructure(blenderContext);
                        Pointer pMesh = (Pointer) capStructure.getFieldValue("data");
                        List<Structure> meshesArray = pMesh.fetchData();
                        caps[i] = meshHelper.toTemporalMesh(meshesArray.get(0), blenderContext);
                    } catch (BlenderFileException e) {
                        LOGGER.log(Level.WARNING, "Problems in blender file structure! Cap object cannot be applied! The problem: {0}", e.getMessage());
                    }
                }
            }
            Vector3f translationVector = new Vector3f(offset[0] + scale[0] + objectOffset[0], offset[1] + scale[1] + objectOffset[1], offset[2] + scale[2] + objectOffset[2]);
            if (blenderContext.getBlenderKey().isFixUpAxis()) {
                float y = translationVector.y;
                translationVector.y = translationVector.z;
                translationVector.z = y == 0 ? 0 : -y;
            }
            // getting/calculating repeats amount
            int count = 0;
            if (fittype == 0) {
                // Fixed count
                count = this.count - 1;
            } else if (fittype == 1) {
                // Fixed length
                float length = this.length;
                if (translationVector.length() > 0.0f) {
                    count = (int) (length / translationVector.length()) - 1;
                }
            } else if (fittype == 2) {
                // Fit curve
                throw new IllegalStateException("Fit curve should be transformed to Fixed Length array type!");
            } else {
                throw new IllegalStateException("Unknown fit type: " + fittype);
            }
            // adding translated nodes and caps
            Vector3f totalTranslation = new Vector3f(translationVector);
            if (count > 0) {
                TemporalMesh originalMesh = temporalMesh.clone();
                for (int i = 0; i < count; ++i) {
                    TemporalMesh clone = originalMesh.clone();
                    for (Vector3f v : clone.getVertices()) {
                        v.addLocal(totalTranslation);
                    }
                    temporalMesh.append(clone);
                    totalTranslation.addLocal(translationVector);
                }
            }
            if (caps[0] != null) {
                translationVector.multLocal(-1);
                TemporalMesh capsClone = caps[0].clone();
                for (Vector3f v : capsClone.getVertices()) {
                    v.addLocal(translationVector);
                }
                temporalMesh.append(capsClone);
            }
            if (caps[1] != null) {
                TemporalMesh capsClone = caps[1].clone();
                for (Vector3f v : capsClone.getVertices()) {
                    v.addLocal(totalTranslation);
                }
                temporalMesh.append(capsClone);
            }
        } else {
            LOGGER.log(Level.WARNING, "Cannot find temporal mesh for node: {0}. The modifier will NOT be applied!", node);
        }
    }
}

Example 3 with ObjectHelper

use of com.jme3.scene.plugins.blender.objects.ObjectHelper in project jmonkeyengine by jMonkeyEngine.

the class BlenderLoader method toScene.

/**
     * This method converts the given structure to a scene node.
     * @param structure
     *            structure of a scene
     *            @param blenderContext the blender context
     * @return scene's node
     * @throws BlenderFileException
     *             an exception throw when problems with blender file occur
     */
private Node toScene(Structure structure, BlenderContext blenderContext) throws BlenderFileException {
    ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
    Node result = new Node(structure.getName());
    List<Structure> base = ((Structure) structure.getFieldValue("base")).evaluateListBase();
    for (Structure b : base) {
        Pointer pObject = (Pointer) b.getFieldValue("object");
        if (pObject.isNotNull()) {
            Structure objectStructure = pObject.fetchData().get(0);
            Object object = objectHelper.toObject(objectStructure, blenderContext);
            if (object instanceof LightNode) {
                // FIXME: check if this is needed !!!
                result.addLight(((LightNode) object).getLight());
                result.attachChild((LightNode) object);
            } else if (object instanceof Node) {
                if (LOGGER.isLoggable(Level.FINE)) {
                    LOGGER.log(Level.FINE, "{0}: {1}--> {2}", new Object[] { ((Node) object).getName(), ((Node) object).getLocalTranslation().toString(), ((Node) object).getParent() == null ? "null" : ((Node) object).getParent().getName() });
                }
                if (((Node) object).getParent() == null) {
                    result.attachChild((Spatial) object);
                }
            }
        }
    }
    return result;
}

Example 4 with ObjectHelper

use of com.jme3.scene.plugins.blender.objects.ObjectHelper in project jmonkeyengine by jMonkeyEngine.

the class BlenderLoader method load.

@Override
public Spatial load(AssetInfo assetInfo) throws IOException {
    try {
        BlenderContext blenderContext = this.setup(assetInfo);
        AnimationHelper animationHelper = blenderContext.getHelper(AnimationHelper.class);
        animationHelper.loadAnimations();
        BlenderKey blenderKey = blenderContext.getBlenderKey();
        LoadedFeatures loadedFeatures = new LoadedFeatures();
        for (FileBlockHeader block : blenderContext.getBlocks()) {
            switch(block.getCode()) {
                case BLOCK_OB00:
                    ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
                    Node object = (Node) objectHelper.toObject(block.getStructure(blenderContext), blenderContext);
                    if (LOGGER.isLoggable(Level.FINE)) {
                        LOGGER.log(Level.FINE, "{0}: {1}--> {2}", new Object[] { object.getName(), object.getLocalTranslation().toString(), object.getParent() == null ? "null" : object.getParent().getName() });
                    }
                    if (object.getParent() == null) {
                        loadedFeatures.objects.add(object);
                    }
                    if (object instanceof LightNode && ((LightNode) object).getLight() != null) {
                        loadedFeatures.lights.add(((LightNode) object).getLight());
                    } else if (object instanceof CameraNode && ((CameraNode) object).getCamera() != null) {
                        loadedFeatures.cameras.add(((CameraNode) object).getCamera());
                    }
                    break;
                case // Scene
                BLOCK_SC00:
                    loadedFeatures.sceneBlocks.add(block);
                    break;
                case // Material
                BLOCK_MA00:
                    MaterialHelper materialHelper = blenderContext.getHelper(MaterialHelper.class);
                    MaterialContext materialContext = materialHelper.toMaterialContext(block.getStructure(blenderContext), blenderContext);
                    loadedFeatures.materials.add(materialContext);
                    break;
                case // Mesh
                BLOCK_ME00:
                    MeshHelper meshHelper = blenderContext.getHelper(MeshHelper.class);
                    TemporalMesh temporalMesh = meshHelper.toTemporalMesh(block.getStructure(blenderContext), blenderContext);
                    loadedFeatures.meshes.add(temporalMesh);
                    break;
                case // Image
                BLOCK_IM00:
                    TextureHelper textureHelper = blenderContext.getHelper(TextureHelper.class);
                    Texture image = textureHelper.loadImageAsTexture(block.getStructure(blenderContext), 0, blenderContext);
                    if (image != null && image.getImage() != null) {
                        // render results are stored as images but are not being loaded
                        loadedFeatures.images.add(image);
                    }
                    break;
                case BLOCK_TE00:
                    Structure textureStructure = block.getStructure(blenderContext);
                    int type = ((Number) textureStructure.getFieldValue("type")).intValue();
                    if (type == TextureHelper.TEX_IMAGE) {
                        TextureHelper texHelper = blenderContext.getHelper(TextureHelper.class);
                        Texture texture = texHelper.getTexture(textureStructure, null, blenderContext);
                        if (texture != null) {
                            // null is returned when texture has no image
                            loadedFeatures.textures.add(texture);
                        }
                    } else {
                        LOGGER.fine("Only image textures can be loaded as unlinked assets. Generated textures will be applied to an existing object.");
                    }
                    break;
                case // World
                BLOCK_WO00:
                    LandscapeHelper landscapeHelper = blenderContext.getHelper(LandscapeHelper.class);
                    Structure worldStructure = block.getStructure(blenderContext);
                    String worldName = worldStructure.getName();
                    if (blenderKey.getUsedWorld() == null || blenderKey.getUsedWorld().equals(worldName)) {
                        Light ambientLight = landscapeHelper.toAmbientLight(worldStructure);
                        if (ambientLight != null) {
                            loadedFeatures.objects.add(new LightNode(null, ambientLight));
                            loadedFeatures.lights.add(ambientLight);
                        }
                        loadedFeatures.sky = landscapeHelper.toSky(worldStructure);
                        loadedFeatures.backgroundColor = landscapeHelper.toBackgroundColor(worldStructure);
                        Filter fogFilter = landscapeHelper.toFog(worldStructure);
                        if (fogFilter != null) {
                            loadedFeatures.filters.add(landscapeHelper.toFog(worldStructure));
                        }
                    }
                    break;
                case BLOCK_AC00:
                    LOGGER.fine("Loading unlinked animations is not yet supported!");
                    break;
                default:
                    LOGGER.log(Level.FINEST, "Ommiting the block: {0}.", block.getCode());
            }
        }
        LOGGER.fine("Baking constraints after every feature is loaded.");
        ConstraintHelper constraintHelper = blenderContext.getHelper(ConstraintHelper.class);
        constraintHelper.bakeConstraints(blenderContext);
        LOGGER.fine("Loading scenes and attaching them to the root object.");
        for (FileBlockHeader sceneBlock : loadedFeatures.sceneBlocks) {
            loadedFeatures.scenes.add(this.toScene(sceneBlock.getStructure(blenderContext), blenderContext));
        }
        LOGGER.fine("Creating the root node of the model and applying loaded nodes of the scene and loaded features to it.");
        Node modelRoot = new Node(blenderKey.getName());
        for (Node scene : loadedFeatures.scenes) {
            modelRoot.attachChild(scene);
        }
        if (blenderKey.isLoadUnlinkedAssets()) {
            LOGGER.fine("Setting loaded content as user data in resulting sptaial.");
            Map<String, Map<String, Object>> linkedData = new HashMap<String, Map<String, Object>>();
            Map<String, Object> thisFileData = new HashMap<String, Object>();
            thisFileData.put("scenes", loadedFeatures.scenes == null ? new ArrayList<Object>() : loadedFeatures.scenes);
            thisFileData.put("objects", loadedFeatures.objects == null ? new ArrayList<Object>() : loadedFeatures.objects);
            thisFileData.put("meshes", loadedFeatures.meshes == null ? new ArrayList<Object>() : loadedFeatures.meshes);
            thisFileData.put("materials", loadedFeatures.materials == null ? new ArrayList<Object>() : loadedFeatures.materials);
            thisFileData.put("textures", loadedFeatures.textures == null ? new ArrayList<Object>() : loadedFeatures.textures);
            thisFileData.put("images", loadedFeatures.images == null ? new ArrayList<Object>() : loadedFeatures.images);
            thisFileData.put("animations", loadedFeatures.animations == null ? new ArrayList<Object>() : loadedFeatures.animations);
            thisFileData.put("cameras", loadedFeatures.cameras == null ? new ArrayList<Object>() : loadedFeatures.cameras);
            thisFileData.put("lights", loadedFeatures.lights == null ? new ArrayList<Object>() : loadedFeatures.lights);
            thisFileData.put("filters", loadedFeatures.filters == null ? new ArrayList<Object>() : loadedFeatures.filters);
            thisFileData.put("backgroundColor", loadedFeatures.backgroundColor);
            thisFileData.put("sky", loadedFeatures.sky);
            linkedData.put("this", thisFileData);
            linkedData.putAll(blenderContext.getLinkedFeatures());
            modelRoot.setUserData("linkedData", linkedData);
        }
        return modelRoot;
    } catch (BlenderFileException e) {
        throw new IOException(e.getLocalizedMessage(), e);
    } catch (Exception e) {
        throw new IOException("Unexpected importer exception occured: " + e.getLocalizedMessage(), e);
    } finally {
        this.clear(assetInfo);
    }
}

Example 5 with ObjectHelper

use of com.jme3.scene.plugins.blender.objects.ObjectHelper in project jmonkeyengine by jMonkeyEngine.

the class BoneContext method buildBone.

/**
     * This method builds the bone. It recursively builds the bone's children.
     * 
     * @param bones
     *            a list of bones where the newly created bone will be added
     * @param skeletonOwnerOma
     *            the spatial of the object that will own the skeleton
     * @param blenderContext
     *            the blender context
     * @return newly created bone
     */
public Bone buildBone(List<Bone> bones, Long skeletonOwnerOma, BlenderContext blenderContext) {
    this.skeletonOwnerOma = skeletonOwnerOma;
    Long boneOMA = boneStructure.getOldMemoryAddress();
    bone = new Bone(boneName);
    bones.add(bone);
    blenderContext.addLoadedFeatures(boneOMA, LoadedDataType.STRUCTURE, boneStructure);
    blenderContext.addLoadedFeatures(boneOMA, LoadedDataType.FEATURE, bone);
    ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
    Structure skeletonOwnerObjectStructure = (Structure) blenderContext.getLoadedFeature(skeletonOwnerOma, LoadedDataType.STRUCTURE);
    // I could load 'imat' here, but apparently in some older blenders there were bugs or unfinished functionalities that stored ZERO matrix in imat field
    // loading 'obmat' and inverting it makes us avoid errors in such cases
    Matrix4f invertedObjectOwnerGlobalMatrix = objectHelper.getMatrix(skeletonOwnerObjectStructure, "obmat", blenderContext.getBlenderKey().isFixUpAxis()).invertLocal();
    if (objectHelper.isParent(skeletonOwnerOma, armatureObjectOMA)) {
        boneMatrixInModelSpace = globalBoneMatrix.mult(invertedObjectOwnerGlobalMatrix);
    } else {
        boneMatrixInModelSpace = invertedObjectOwnerGlobalMatrix.mult(globalBoneMatrix);
    }
    Matrix4f boneLocalMatrix = parent == null ? boneMatrixInModelSpace : parent.boneMatrixInModelSpace.invert().multLocal(boneMatrixInModelSpace);
    Vector3f poseLocation = parent == null || !this.is(CONNECTED_TO_PARENT) ? boneLocalMatrix.toTranslationVector() : new Vector3f(0, parent.length, 0);
    Quaternion rotation = boneLocalMatrix.toRotationQuat().normalizeLocal();
    Vector3f scale = boneLocalMatrix.toScaleVector();
    bone.setBindTransforms(poseLocation, rotation, scale);
    for (BoneContext child : children) {
        bone.addChild(child.buildBone(bones, skeletonOwnerOma, blenderContext));
    }
    return bone;
}