Examples with Bone com.jme3.animation.Bone used on opensource projects

Example 11 with Bone

use of com.jme3.animation.Bone in project jmonkeyengine by jMonkeyEngine.

the class SkeletonLoader method startElement.

public void startElement(String uri, String localName, String qName, Attributes attribs) throws SAXException {
    if (qName.equals("position") || qName.equals("translate")) {
        position = SAXUtil.parseVector3(attribs);
    } else if (qName.equals("rotation") || qName.equals("rotate")) {
        angle = SAXUtil.parseFloat(attribs.getValue("angle"));
    } else if (qName.equals("axis")) {
        assert elementStack.peek().equals("rotation") || elementStack.peek().equals("rotate");
        axis = SAXUtil.parseVector3(attribs);
    } else if (qName.equals("scale")) {
        scale = SAXUtil.parseVector3(attribs);
    } else if (qName.equals("keyframe")) {
        assert elementStack.peek().equals("keyframes");
        time = SAXUtil.parseFloat(attribs.getValue("time"));
    } else if (qName.equals("keyframes")) {
        assert elementStack.peek().equals("track");
    } else if (qName.equals("track")) {
        assert elementStack.peek().equals("tracks");
        String boneName = SAXUtil.parseString(attribs.getValue("bone"));
        Bone bone = nameToBone.get(boneName);
        int index = skeleton.getBoneIndex(bone);
        track = new BoneTrack(index);
    } else if (qName.equals("boneparent")) {
        assert elementStack.peek().equals("bonehierarchy");
        String boneName = attribs.getValue("bone");
        String parentName = attribs.getValue("parent");
        Bone bone = nameToBone.get(boneName);
        Bone parent = nameToBone.get(parentName);
        parent.addChild(bone);
    } else if (qName.equals("bone")) {
        assert elementStack.peek().equals("bones");
        // insert bone into indexed map
        bone = new Bone(attribs.getValue("name"));
        int id = SAXUtil.parseInt(attribs.getValue("id"));
        indexToBone.put(id, bone);
        nameToBone.put(bone.getName(), bone);
    } else if (qName.equals("tracks")) {
        assert elementStack.peek().equals("animation");
        tracks.clear();
    } else if (qName.equals("animation")) {
        assert elementStack.peek().equals("animations");
        String name = SAXUtil.parseString(attribs.getValue("name"));
        float length = SAXUtil.parseFloat(attribs.getValue("length"));
        animation = new Animation(name, length);
    } else if (qName.equals("bonehierarchy")) {
        assert elementStack.peek().equals("skeleton");
    } else if (qName.equals("animations")) {
        assert elementStack.peek().equals("skeleton");
        animations = new ArrayList<Animation>();
    } else if (qName.equals("bones")) {
        assert elementStack.peek().equals("skeleton");
    } else if (qName.equals("skeleton")) {
        assert elementStack.size() == 0;
    }
    elementStack.add(qName);
}

Example 12 with Bone

use of com.jme3.animation.Bone in project jmonkeyengine by jMonkeyEngine.

the class IrUtils method convertIrMeshToJmeMesh.

/**
     * Convert IrMesh to jME3 mesh.
     */
public static Mesh convertIrMeshToJmeMesh(IrMesh mesh) {
    Map<IrVertex, Integer> vertexToVertexIndex = new HashMap<IrVertex, Integer>();
    List<IrVertex> vertices = new ArrayList<IrVertex>();
    List<Integer> indexes = new ArrayList<Integer>();
    int vertexIndex = 0;
    for (IrPolygon polygon : mesh.polygons) {
        if (polygon.vertices.length != 3) {
            throw new UnsupportedOperationException("IrMesh must be triangulated first");
        }
        for (IrVertex vertex : polygon.vertices) {
            // Is this vertex already indexed?
            Integer existingIndex = vertexToVertexIndex.get(vertex);
            if (existingIndex == null) {
                // Not indexed yet, allocate index.
                indexes.add(vertexIndex);
                vertexToVertexIndex.put(vertex, vertexIndex);
                vertices.add(vertex);
                vertexIndex++;
            } else {
                // Index already allocated for this vertex, reuse it.
                indexes.add(existingIndex);
            }
        }
    }
    Mesh jmeMesh = new Mesh();
    jmeMesh.setMode(Mesh.Mode.Triangles);
    FloatBuffer posBuf = null;
    FloatBuffer normBuf = null;
    FloatBuffer tangBuf = null;
    FloatBuffer uv0Buf = null;
    FloatBuffer uv1Buf = null;
    ByteBuffer colorBuf = null;
    ByteBuffer boneIndices = null;
    FloatBuffer boneWeights = null;
    IndexBuffer indexBuf = null;
    IrVertex inspectionVertex = vertices.get(0);
    if (inspectionVertex.pos != null) {
        posBuf = BufferUtils.createVector3Buffer(vertices.size());
        jmeMesh.setBuffer(VertexBuffer.Type.Position, 3, posBuf);
    }
    if (inspectionVertex.norm != null) {
        normBuf = BufferUtils.createVector3Buffer(vertices.size());
        jmeMesh.setBuffer(VertexBuffer.Type.Normal, 3, normBuf);
    }
    if (inspectionVertex.tang4d != null) {
        tangBuf = BufferUtils.createFloatBuffer(vertices.size() * 4);
        jmeMesh.setBuffer(VertexBuffer.Type.Tangent, 4, tangBuf);
    }
    if (inspectionVertex.tang != null || inspectionVertex.bitang != null) {
        throw new IllegalStateException("Mesh is using 3D tangents, must be converted to 4D tangents first.");
    }
    if (inspectionVertex.uv0 != null) {
        uv0Buf = BufferUtils.createVector2Buffer(vertices.size());
        jmeMesh.setBuffer(VertexBuffer.Type.TexCoord, 2, uv0Buf);
    }
    if (inspectionVertex.uv1 != null) {
        uv1Buf = BufferUtils.createVector2Buffer(vertices.size());
        jmeMesh.setBuffer(VertexBuffer.Type.TexCoord2, 2, uv1Buf);
    }
    if (inspectionVertex.color != null) {
        colorBuf = BufferUtils.createByteBuffer(vertices.size() * 4);
        jmeMesh.setBuffer(VertexBuffer.Type.Color, 4, colorBuf);
        jmeMesh.getBuffer(VertexBuffer.Type.Color).setNormalized(true);
    }
    if (inspectionVertex.boneWeightsIndices != null) {
        boneIndices = BufferUtils.createByteBuffer(vertices.size() * 4);
        boneWeights = BufferUtils.createFloatBuffer(vertices.size() * 4);
        jmeMesh.setBuffer(VertexBuffer.Type.BoneIndex, 4, boneIndices);
        jmeMesh.setBuffer(VertexBuffer.Type.BoneWeight, 4, boneWeights);
        //creating empty buffers for HW skinning 
        //the buffers will be setup if ever used.
        VertexBuffer weightsHW = new VertexBuffer(VertexBuffer.Type.HWBoneWeight);
        VertexBuffer indicesHW = new VertexBuffer(VertexBuffer.Type.HWBoneIndex);
        //setting usage to cpuOnly so that the buffer is not send empty to the GPU
        indicesHW.setUsage(VertexBuffer.Usage.CpuOnly);
        weightsHW.setUsage(VertexBuffer.Usage.CpuOnly);
        jmeMesh.setBuffer(weightsHW);
        jmeMesh.setBuffer(indicesHW);
    }
    if (vertices.size() >= 65536) {
        // too many verticies: use intbuffer instead of shortbuffer
        IntBuffer ib = BufferUtils.createIntBuffer(indexes.size());
        jmeMesh.setBuffer(VertexBuffer.Type.Index, 3, ib);
        indexBuf = new IndexIntBuffer(ib);
    } else {
        ShortBuffer sb = BufferUtils.createShortBuffer(indexes.size());
        jmeMesh.setBuffer(VertexBuffer.Type.Index, 3, sb);
        indexBuf = new IndexShortBuffer(sb);
    }
    jmeMesh.setStatic();
    int maxBonesPerVertex = -1;
    for (IrVertex vertex : vertices) {
        if (posBuf != null) {
            posBuf.put(vertex.pos.x).put(vertex.pos.y).put(vertex.pos.z);
        }
        if (normBuf != null) {
            normBuf.put(vertex.norm.x).put(vertex.norm.y).put(vertex.norm.z);
        }
        if (tangBuf != null) {
            tangBuf.put(vertex.tang4d.x).put(vertex.tang4d.y).put(vertex.tang4d.z).put(vertex.tang4d.w);
        }
        if (uv0Buf != null) {
            uv0Buf.put(vertex.uv0.x).put(vertex.uv0.y);
        }
        if (uv1Buf != null) {
            uv1Buf.put(vertex.uv1.x).put(vertex.uv1.y);
        }
        if (colorBuf != null) {
            colorBuf.putInt(vertex.color.asIntABGR());
        }
        if (boneIndices != null) {
            if (vertex.boneWeightsIndices != null) {
                if (vertex.boneWeightsIndices.length > 4) {
                    throw new UnsupportedOperationException("Mesh uses more than 4 weights per bone. " + "Call trimBoneWeights() to allieviate this");
                }
                for (int i = 0; i < vertex.boneWeightsIndices.length; i++) {
                    boneIndices.put((byte) (vertex.boneWeightsIndices[i].boneIndex & 0xFF));
                    boneWeights.put(vertex.boneWeightsIndices[i].boneWeight);
                }
                for (int i = 0; i < 4 - vertex.boneWeightsIndices.length; i++) {
                    boneIndices.put((byte) 0);
                    boneWeights.put(0f);
                }
            } else {
                boneIndices.putInt(0);
                boneWeights.put(0f).put(0f).put(0f).put(0f);
            }
            maxBonesPerVertex = Math.max(maxBonesPerVertex, vertex.boneWeightsIndices.length);
        }
    }
    for (int i = 0; i < indexes.size(); i++) {
        indexBuf.put(i, indexes.get(i));
    }
    jmeMesh.updateCounts();
    jmeMesh.updateBound();
    if (boneIndices != null) {
        jmeMesh.setMaxNumWeights(maxBonesPerVertex);
        jmeMesh.prepareForAnim(true);
        jmeMesh.generateBindPose(true);
    }
    return jmeMesh;
}

Example 13 with Bone

use of com.jme3.animation.Bone in project jmonkeyengine by jMonkeyEngine.

the class FbxLimbNode method getJmeBone.

public Bone getJmeBone() {
    if (bone == null) {
        bone = new Bone(name);
        bone.setBindTransforms(jmeLocalBindPose.getTranslation(), jmeLocalBindPose.getRotation(), jmeLocalBindPose.getScale());
    }
    return bone;
}

Example 14 with Bone

use of com.jme3.animation.Bone in project jmonkeyengine by jMonkeyEngine.

the class FbxLoader method constructAnimations.

private void constructAnimations() {
    // In FBX, animation are not attached to any root.
    // They are implicitly global.
    // So, we need to use hueristics to find which node(s) 
    // an animation is associated with, so we can create the AnimControl
    // in the appropriate location in the scene.
    Map<FbxToJmeTrack, FbxToJmeTrack> pairs = new HashMap<FbxToJmeTrack, FbxToJmeTrack>();
    for (FbxAnimStack stack : animStacks) {
        for (FbxAnimLayer layer : stack.getLayers()) {
            for (FbxAnimCurveNode curveNode : layer.getAnimationCurveNodes()) {
                for (Map.Entry<FbxNode, String> nodePropertyEntry : curveNode.getInfluencedNodeProperties().entrySet()) {
                    FbxToJmeTrack lookupPair = new FbxToJmeTrack();
                    lookupPair.animStack = stack;
                    lookupPair.animLayer = layer;
                    lookupPair.node = nodePropertyEntry.getKey();
                    // Find if this pair is already stored
                    FbxToJmeTrack storedPair = pairs.get(lookupPair);
                    if (storedPair == null) {
                        // If not, store it.
                        storedPair = lookupPair;
                        pairs.put(storedPair, storedPair);
                    }
                    String property = nodePropertyEntry.getValue();
                    storedPair.animCurves.put(property, curveNode);
                }
            }
        }
    }
    // At this point we can construct the animation for all pairs ...
    for (FbxToJmeTrack pair : pairs.values()) {
        String animName = pair.animStack.getName();
        float duration = pair.animStack.getDuration();
        System.out.println("ANIMATION: " + animName + ", duration = " + duration);
        System.out.println("NODE: " + pair.node.getName());
        duration = pair.getDuration();
        if (pair.node instanceof FbxLimbNode) {
            // Find the spatial that has the skeleton for this limb.
            FbxLimbNode limbNode = (FbxLimbNode) pair.node;
            Bone bone = limbNode.getJmeBone();
            Spatial jmeSpatial = limbNode.getSkeletonHolder().getJmeObject();
            Skeleton skeleton = limbNode.getSkeletonHolder().getJmeSkeleton();
            // Get the animation control (create if missing).
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl.getSkeleton() != skeleton) {
                throw new UnsupportedOperationException();
            }
            // Get the animation (create if missing).
            Animation anim = animControl.getAnim(animName);
            if (anim == null) {
                anim = new Animation(animName, duration);
                animControl.addAnim(anim);
            }
            // Find the bone index from the spatial's skeleton.
            int boneIndex = skeleton.getBoneIndex(bone);
            // Generate the bone track.
            BoneTrack bt = pair.toJmeBoneTrack(boneIndex, bone.getBindInverseTransform());
            // Add the bone track to the animation.
            anim.addTrack(bt);
        } else {
            // Create the spatial animation
            Animation anim = new Animation(animName, duration);
            anim.setTracks(new Track[] { pair.toJmeSpatialTrack() });
            // Get the animation control (create if missing).
            Spatial jmeSpatial = pair.node.getJmeObject();
            AnimControl animControl = jmeSpatial.getControl(AnimControl.class);
            if (animControl == null) {
                animControl = new AnimControl(null);
                jmeSpatial.addControl(animControl);
            }
            // Add the spatial animation
            animControl.addAnim(anim);
        }
    }
}

Example 15 with Bone

use of com.jme3.animation.Bone in project jmonkeyengine by jMonkeyEngine.

the class MaskModifier method readBoneNames.

/**
     * Reads the names of the bones from the given bone base.
     * @param boneBase
     *            the list of bone base structures
     * @return a list of bones' names
     * @throws BlenderFileException
     *             is thrown if problems with reading the child bones' bases occur
     */
private List<String> readBoneNames(List<Structure> boneBase) throws BlenderFileException {
    List<String> result = new ArrayList<String>();
    for (Structure boneStructure : boneBase) {
        int flag = ((Number) boneStructure.getFieldValue("flag")).intValue();
        if ((flag & BoneContext.SELECTED) != 0) {
            result.add(boneStructure.getFieldValue("name").toString());
        }
        List<Structure> childbase = ((Structure) boneStructure.getFieldValue("childbase")).evaluateListBase();
        result.addAll(this.readBoneNames(childbase));
    }
    return result;
}