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

Example 41 with Pointer

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

the class MeshHelper method loadVerticesGroups.

/**
     * Loads all vertices groups.
     * @param meshStructure
     *            the mesh structure
     * @return a list of vertex groups for every vertex in the mesh
     * @throws BlenderFileException
     *             an exception is thrown when problems with blend file occur
     */
public List<Map<String, Float>> loadVerticesGroups(Structure meshStructure) throws BlenderFileException {
    LOGGER.log(Level.FINE, "Loading vertices groups from mesh: {0}.", meshStructure.getName());
    List<Map<String, Float>> result = new ArrayList<Map<String, Float>>();
    Structure parent = blenderContext.peekParent();
    if (parent != null) {
        // the mesh might be saved without its parent (it is then unused)
        Structure defbase = (Structure) parent.getFieldValue("defbase");
        List<String> groupNames = new ArrayList<String>();
        List<Structure> defs = defbase.evaluateListBase();
        for (Structure def : defs) {
            groupNames.add(def.getFieldValue("name").toString());
        }
        // dvert = DeformVERTices
        Pointer pDvert = (Pointer) meshStructure.getFieldValue("dvert");
        if (pDvert.isNotNull()) {
            // assigning weights and bone indices
            List<Structure> dverts = pDvert.fetchData();
            for (Structure dvert : dverts) {
                Map<String, Float> weightsForVertex = new HashMap<String, Float>();
                Pointer pDW = (Pointer) dvert.getFieldValue("dw");
                if (pDW.isNotNull()) {
                    List<Structure> dw = pDW.fetchData();
                    for (Structure deformWeight : dw) {
                        int groupIndex = ((Number) deformWeight.getFieldValue("def_nr")).intValue();
                        float weight = ((Number) deformWeight.getFieldValue("weight")).floatValue();
                        String groupName = groupNames.get(groupIndex);
                        weightsForVertex.put(groupName, weight);
                    }
                }
                result.add(weightsForVertex);
            }
        }
    }
    return result;
}

Example 42 with Pointer

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

the class Modifier method validate.

protected boolean validate(Structure modifierStructure, BlenderContext blenderContext) {
    Structure modifierData = (Structure) modifierStructure.getFieldValue("modifier");
    Pointer pError = (Pointer) modifierData.getFieldValue("error");
    invalid = pError.isNotNull();
    return !invalid;
}

Example 43 with Pointer

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

the class Edge method loadAll.

/**
     * The method loads all edges from the given mesh structure that does not belong to any face.
     * @param meshStructure
     *            the mesh structure
     * @param temporalMesh
     *            the owner of the edges
     * @return all edges without faces
     * @throws BlenderFileException
     *             an exception is thrown when problems with file reading occur
     */
public static List<Edge> loadAll(Structure meshStructure, TemporalMesh temporalMesh) throws BlenderFileException {
    LOGGER.log(Level.FINE, "Loading all edges that do not belong to any face from mesh: {0}", meshStructure.getName());
    List<Edge> result = new ArrayList<Edge>();
    Pointer pMEdge = (Pointer) meshStructure.getFieldValue("medge");
    if (pMEdge.isNotNull()) {
        List<Structure> edges = pMEdge.fetchData();
        for (Structure edge : edges) {
            int flag = ((Number) edge.getFieldValue("flag")).intValue();
            int v1 = ((Number) edge.getFieldValue("v1")).intValue();
            int v2 = ((Number) edge.getFieldValue("v2")).intValue();
            // I do not know why, but blender stores (possibly only sometimes) crease as negative values and shows positive in the editor
            float crease = Math.abs(((Number) edge.getFieldValue("crease")).floatValue());
            boolean edgeInFace = (flag & Edge.FLAG_EDGE_NOT_IN_FACE) == 0;
            result.add(new Edge(v1, v2, crease, edgeInFace, temporalMesh));
        }
    }
    LOGGER.log(Level.FINE, "Loaded {0} edges.", result.size());
    return result;
}

Example 44 with Pointer

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

the class TGALoader method load.

/**
     * <code>loadImage</code> is a manual image loader which is entirely
     * independent of AWT. OUT: RGB888 or RGBA8888 Image object
     * 
     * 
    
     * @param in
     *            InputStream of an uncompressed 24b RGB or 32b RGBA TGA
     * @param flip
     *            Flip the image vertically
     * @return <code>Image</code> object that contains the
     *         image, either as a RGB888 or RGBA8888
     * @throws java.io.IOException
     */
public static Image load(InputStream in, boolean flip) throws IOException {
    boolean flipH = false;
    // open a stream to the file
    DataInputStream dis = new DataInputStream(new BufferedInputStream(in));
    // ---------- Start Reading the TGA header ---------- //
    // length of the image id (1 byte)
    int idLength = dis.readUnsignedByte();
    // Type of color map (if any) included with the image
    // 0 - no color map data is included
    // 1 - a color map is included
    int colorMapType = dis.readUnsignedByte();
    // Type of image being read:
    int imageType = dis.readUnsignedByte();
    // Read Color Map Specification (5 bytes)
    // Index of first color map entry (if we want to use it, uncomment and remove extra read.)
    //        short cMapStart = flipEndian(dis.readShort());
    dis.readShort();
    // number of entries in the color map
    short cMapLength = flipEndian(dis.readShort());
    // number of bits per color map entry
    int cMapDepth = dis.readUnsignedByte();
    // Read Image Specification (10 bytes)
    // horizontal coordinate of lower left corner of image. (if we want to use it, uncomment and remove extra read.)
    //        int xOffset = flipEndian(dis.readShort());
    dis.readShort();
    // vertical coordinate of lower left corner of image. (if we want to use it, uncomment and remove extra read.)
    //        int yOffset = flipEndian(dis.readShort());
    dis.readShort();
    // width of image - in pixels
    int width = flipEndian(dis.readShort());
    // height of image - in pixels
    int height = flipEndian(dis.readShort());
    // bits per pixel in image.
    int pixelDepth = dis.readUnsignedByte();
    int imageDescriptor = dis.readUnsignedByte();
    if (// bit 5 : if 1, flip top/bottom ordering
    (imageDescriptor & 32) != 0) {
        flip = !flip;
    }
    if (// bit 4 : if 1, flip left/right ordering
    (imageDescriptor & 16) != 0) {
        flipH = !flipH;
    }
    // Skip image ID
    if (idLength > 0) {
        dis.skip(idLength);
    }
    ColorMapEntry[] cMapEntries = null;
    if (colorMapType != 0) {
        // read the color map.
        int bytesInColorMap = (cMapDepth * cMapLength) >> 3;
        int bitsPerColor = Math.min(cMapDepth / 3, 8);
        byte[] cMapData = new byte[bytesInColorMap];
        dis.read(cMapData);
        // table if this is declared a color mapped image.
        if (imageType == TYPE_COLORMAPPED || imageType == TYPE_COLORMAPPED_RLE) {
            cMapEntries = new ColorMapEntry[cMapLength];
            int alphaSize = cMapDepth - (3 * bitsPerColor);
            float scalar = 255f / (FastMath.pow(2, bitsPerColor) - 1);
            float alphaScalar = 255f / (FastMath.pow(2, alphaSize) - 1);
            for (int i = 0; i < cMapLength; i++) {
                ColorMapEntry entry = new ColorMapEntry();
                int offset = cMapDepth * i;
                entry.red = (byte) (int) (getBitsAsByte(cMapData, offset, bitsPerColor) * scalar);
                entry.green = (byte) (int) (getBitsAsByte(cMapData, offset + bitsPerColor, bitsPerColor) * scalar);
                entry.blue = (byte) (int) (getBitsAsByte(cMapData, offset + (2 * bitsPerColor), bitsPerColor) * scalar);
                if (alphaSize <= 0) {
                    entry.alpha = (byte) 255;
                } else {
                    entry.alpha = (byte) (int) (getBitsAsByte(cMapData, offset + (3 * bitsPerColor), alphaSize) * alphaScalar);
                }
                cMapEntries[i] = entry;
            }
        }
    }
    // Allocate image data array
    Format format;
    byte[] rawData = null;
    int dl;
    if (pixelDepth == 32) {
        rawData = new byte[width * height * 4];
        dl = 4;
    } else {
        rawData = new byte[width * height * 3];
        dl = 3;
    }
    int rawDataIndex = 0;
    if (imageType == TYPE_TRUECOLOR) {
        byte red = 0;
        byte green = 0;
        byte blue = 0;
        byte alpha = 0;
        // just make a seperate loop for each.
        if (pixelDepth == 16) {
            byte[] data = new byte[2];
            float scalar = 255f / 31f;
            for (int i = 0; i <= (height - 1); i++) {
                if (!flip) {
                    rawDataIndex = (height - 1 - i) * width * dl;
                }
                for (int j = 0; j < width; j++) {
                    data[1] = dis.readByte();
                    data[0] = dis.readByte();
                    rawData[rawDataIndex++] = (byte) (int) (getBitsAsByte(data, 1, 5) * scalar);
                    rawData[rawDataIndex++] = (byte) (int) (getBitsAsByte(data, 6, 5) * scalar);
                    rawData[rawDataIndex++] = (byte) (int) (getBitsAsByte(data, 11, 5) * scalar);
                    if (dl == 4) {
                        // create an alpha channel
                        alpha = getBitsAsByte(data, 0, 1);
                        if (alpha == 1) {
                            alpha = (byte) 255;
                        }
                        rawData[rawDataIndex++] = alpha;
                    }
                }
            }
            format = dl == 4 ? Format.RGBA8 : Format.RGB8;
        } else if (pixelDepth == 24) {
            for (int y = 0; y < height; y++) {
                if (!flip) {
                    rawDataIndex = (height - 1 - y) * width * dl;
                } else {
                    rawDataIndex = y * width * dl;
                }
                dis.readFully(rawData, rawDataIndex, width * dl);
            //                    for (int x = 0; x < width; x++) {
            //read scanline
            //                        blue = dis.readByte();
            //                        green = dis.readByte();
            //                        red = dis.readByte();
            //                        rawData[rawDataIndex++] = red;
            //                        rawData[rawDataIndex++] = green;
            //                        rawData[rawDataIndex++] = blue;
            //                    }
            }
            format = Format.BGR8;
        } else if (pixelDepth == 32) {
            for (int i = 0; i <= (height - 1); i++) {
                if (!flip) {
                    rawDataIndex = (height - 1 - i) * width * dl;
                }
                for (int j = 0; j < width; j++) {
                    blue = dis.readByte();
                    green = dis.readByte();
                    red = dis.readByte();
                    alpha = dis.readByte();
                    rawData[rawDataIndex++] = red;
                    rawData[rawDataIndex++] = green;
                    rawData[rawDataIndex++] = blue;
                    rawData[rawDataIndex++] = alpha;
                }
            }
            format = Format.RGBA8;
        } else {
            throw new IOException("Unsupported TGA true color depth: " + pixelDepth);
        }
    } else if (imageType == TYPE_TRUECOLOR_RLE) {
        byte red = 0;
        byte green = 0;
        byte blue = 0;
        byte alpha = 0;
        // just make a seperate loop for each.
        if (pixelDepth == 32) {
            for (int i = 0; i <= (height - 1); ++i) {
                if (!flip) {
                    rawDataIndex = (height - 1 - i) * width * dl;
                }
                for (int j = 0; j < width; ++j) {
                    // Get the number of pixels the next chunk covers (either packed or unpacked)
                    int count = dis.readByte();
                    if ((count & 0x80) != 0) {
                        // Its an RLE packed block - use the following 1 pixel for the next <count> pixels
                        count &= 0x07f;
                        j += count;
                        blue = dis.readByte();
                        green = dis.readByte();
                        red = dis.readByte();
                        alpha = dis.readByte();
                        while (count-- >= 0) {
                            rawData[rawDataIndex++] = red;
                            rawData[rawDataIndex++] = green;
                            rawData[rawDataIndex++] = blue;
                            rawData[rawDataIndex++] = alpha;
                        }
                    } else {
                        // Its not RLE packed, but the next <count> pixels are raw.
                        j += count;
                        while (count-- >= 0) {
                            blue = dis.readByte();
                            green = dis.readByte();
                            red = dis.readByte();
                            alpha = dis.readByte();
                            rawData[rawDataIndex++] = red;
                            rawData[rawDataIndex++] = green;
                            rawData[rawDataIndex++] = blue;
                            rawData[rawDataIndex++] = alpha;
                        }
                    }
                }
            }
            format = Format.RGBA8;
        } else if (pixelDepth == 24) {
            for (int i = 0; i <= (height - 1); i++) {
                if (!flip) {
                    rawDataIndex = (height - 1 - i) * width * dl;
                }
                for (int j = 0; j < width; ++j) {
                    // Get the number of pixels the next chunk covers (either packed or unpacked)
                    int count = dis.readByte();
                    if ((count & 0x80) != 0) {
                        // Its an RLE packed block - use the following 1 pixel for the next <count> pixels
                        count &= 0x07f;
                        j += count;
                        blue = dis.readByte();
                        green = dis.readByte();
                        red = dis.readByte();
                        while (count-- >= 0) {
                            rawData[rawDataIndex++] = red;
                            rawData[rawDataIndex++] = green;
                            rawData[rawDataIndex++] = blue;
                        }
                    } else {
                        // Its not RLE packed, but the next <count> pixels are raw.
                        j += count;
                        while (count-- >= 0) {
                            blue = dis.readByte();
                            green = dis.readByte();
                            red = dis.readByte();
                            rawData[rawDataIndex++] = red;
                            rawData[rawDataIndex++] = green;
                            rawData[rawDataIndex++] = blue;
                        }
                    }
                }
            }
            format = Format.RGB8;
        } else if (pixelDepth == 16) {
            byte[] data = new byte[2];
            float scalar = 255f / 31f;
            for (int i = 0; i <= (height - 1); i++) {
                if (!flip) {
                    rawDataIndex = (height - 1 - i) * width * dl;
                }
                for (int j = 0; j < width; j++) {
                    // Get the number of pixels the next chunk covers (either packed or unpacked)
                    int count = dis.readByte();
                    if ((count & 0x80) != 0) {
                        // Its an RLE packed block - use the following 1 pixel for the next <count> pixels
                        count &= 0x07f;
                        j += count;
                        data[1] = dis.readByte();
                        data[0] = dis.readByte();
                        blue = (byte) (int) (getBitsAsByte(data, 1, 5) * scalar);
                        green = (byte) (int) (getBitsAsByte(data, 6, 5) * scalar);
                        red = (byte) (int) (getBitsAsByte(data, 11, 5) * scalar);
                        while (count-- >= 0) {
                            rawData[rawDataIndex++] = red;
                            rawData[rawDataIndex++] = green;
                            rawData[rawDataIndex++] = blue;
                        }
                    } else {
                        // Its not RLE packed, but the next <count> pixels are raw.
                        j += count;
                        while (count-- >= 0) {
                            data[1] = dis.readByte();
                            data[0] = dis.readByte();
                            blue = (byte) (int) (getBitsAsByte(data, 1, 5) * scalar);
                            green = (byte) (int) (getBitsAsByte(data, 6, 5) * scalar);
                            red = (byte) (int) (getBitsAsByte(data, 11, 5) * scalar);
                            rawData[rawDataIndex++] = red;
                            rawData[rawDataIndex++] = green;
                            rawData[rawDataIndex++] = blue;
                        }
                    }
                }
            }
            format = Format.RGB8;
        } else {
            throw new IOException("Unsupported TGA true color depth: " + pixelDepth);
        }
    } else if (imageType == TYPE_COLORMAPPED) {
        int bytesPerIndex = pixelDepth / 8;
        if (bytesPerIndex == 1) {
            for (int i = 0; i <= (height - 1); i++) {
                if (!flip) {
                    rawDataIndex = (height - 1 - i) * width * dl;
                }
                for (int j = 0; j < width; j++) {
                    int index = dis.readUnsignedByte();
                    if (index >= cMapEntries.length || index < 0) {
                        throw new IOException("TGA: Invalid color map entry referenced: " + index);
                    }
                    ColorMapEntry entry = cMapEntries[index];
                    rawData[rawDataIndex++] = entry.blue;
                    rawData[rawDataIndex++] = entry.green;
                    rawData[rawDataIndex++] = entry.red;
                    if (dl == 4) {
                        rawData[rawDataIndex++] = entry.alpha;
                    }
                }
            }
        } else if (bytesPerIndex == 2) {
            for (int i = 0; i <= (height - 1); i++) {
                if (!flip) {
                    rawDataIndex = (height - 1 - i) * width * dl;
                }
                for (int j = 0; j < width; j++) {
                    int index = flipEndian(dis.readShort());
                    if (index >= cMapEntries.length || index < 0) {
                        throw new IOException("TGA: Invalid color map entry referenced: " + index);
                    }
                    ColorMapEntry entry = cMapEntries[index];
                    rawData[rawDataIndex++] = entry.blue;
                    rawData[rawDataIndex++] = entry.green;
                    rawData[rawDataIndex++] = entry.red;
                    if (dl == 4) {
                        rawData[rawDataIndex++] = entry.alpha;
                    }
                }
            }
        } else {
            throw new IOException("TGA: unknown colormap indexing size used: " + bytesPerIndex);
        }
        format = dl == 4 ? Format.RGBA8 : Format.RGB8;
    } else {
        throw new IOException("Monochrome and RLE colormapped images are not supported");
    }
    in.close();
    // Get a pointer to the image memory
    ByteBuffer scratch = BufferUtils.createByteBuffer(rawData.length);
    scratch.clear();
    scratch.put(rawData);
    scratch.rewind();
    // Create the Image object
    Image textureImage = new Image();
    textureImage.setFormat(format);
    textureImage.setWidth(width);
    textureImage.setHeight(height);
    textureImage.setData(scratch);
    return textureImage;
}

Example 45 with Pointer

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

the class VRMouseManager method update.

/**
     * Update the mouse manager. This method should not be called manually. 
     * The standard behavior for this method is to be called from the {@link VRViewManager#update(float) update method} of the attached {@link VRViewManager VR view manager}.
     * @param tpf the time per frame.
     */
protected void update(float tpf) {
    if (environment.getApplication().getInputManager().isCursorVisible()) {
        if (mouseImage.getParent() == null) {
            environment.getApplication().getGuiViewPort().attachScene(mouseImage);
            centerMouse();
            // the "real" mouse pointer should stay hidden
            if (environment.getApplication().getContext() instanceof LwjglWindow) {
                GLFW.glfwSetInputMode(((LwjglWindow) environment.getApplication().getContext()).getWindowHandle(), GLFW.GLFW_CURSOR, GLFW.GLFW_CURSOR_DISABLED);
            }
        }
        // handle mouse movements, which may be in addition to (or exclusive from) tracked movement
        MouseInput mi = environment.getApplication().getContext().getMouseInput();
        if (mi instanceof GlfwMouseInputVR) {
            if (recentCenterCount <= 0) {
                //Vector2f winratio = VRGuiManager.getCanvasToWindowRatio();
                // * winratio.x;
                cursorPos.x += ((GlfwMouseInputVR) mi).getLastDeltaX();
                // * winratio.y;
                cursorPos.y += ((GlfwMouseInputVR) mi).getLastDeltaY();
                if (cursorPos.x < 0f)
                    cursorPos.x = 0f;
                if (cursorPos.y < 0f)
                    cursorPos.y = 0f;
                if (cursorPos.x > environment.getVRGUIManager().getCanvasSize().x)
                    cursorPos.x = environment.getVRGUIManager().getCanvasSize().x;
                if (cursorPos.y > environment.getVRGUIManager().getCanvasSize().y)
                    cursorPos.y = environment.getVRGUIManager().getCanvasSize().y;
            } else
                recentCenterCount--;
            ((GlfwMouseInputVR) mi).clearDeltas();
        }
        // ok, update the cursor graphic position
        Vector2f currentPos = getCursorPosition();
        mouseImage.setLocalTranslation(currentPos.x, currentPos.y - ySize, environment.getVRGUIManager().getGuiDistance() + 1f);
        mouseImage.updateGeometricState();
    } else if (mouseImage.getParent() != null) {
        Node n = mouseImage.getParent();
        mouseImage.removeFromParent();
        if (n != null) {
            n.updateGeometricState();
        }
    }
}