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

Example 1 with Skeleton

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

the class BoneTrack method setTime.

/**
     * 
     * Modify the bone which this track modifies in the skeleton to contain
     * the correct animation transforms for a given time.
     * The transforms can be interpolated in some method from the keyframes.
     *
     * @param time the current time of the animation
     * @param weight the weight of the animation
     * @param control
     * @param channel
     * @param vars
     */
public void setTime(float time, float weight, AnimControl control, AnimChannel channel, TempVars vars) {
    BitSet affectedBones = channel.getAffectedBones();
    if (affectedBones != null && !affectedBones.get(targetBoneIndex)) {
        return;
    }
    Bone target = control.getSkeleton().getBone(targetBoneIndex);
    Vector3f tempV = vars.vect1;
    Vector3f tempS = vars.vect2;
    Quaternion tempQ = vars.quat1;
    Vector3f tempV2 = vars.vect3;
    Vector3f tempS2 = vars.vect4;
    Quaternion tempQ2 = vars.quat2;
    int lastFrame = times.length - 1;
    if (time < 0 || lastFrame == 0) {
        rotations.get(0, tempQ);
        translations.get(0, tempV);
        if (scales != null) {
            scales.get(0, tempS);
        }
    } else if (time >= times[lastFrame]) {
        rotations.get(lastFrame, tempQ);
        translations.get(lastFrame, tempV);
        if (scales != null) {
            scales.get(lastFrame, tempS);
        }
    } else {
        int startFrame = 0;
        int endFrame = 1;
        // use lastFrame so we never overflow the array
        int i;
        for (i = 0; i < lastFrame && times[i] < time; i++) {
            startFrame = i;
            endFrame = i + 1;
        }
        float blend = (time - times[startFrame]) / (times[endFrame] - times[startFrame]);
        rotations.get(startFrame, tempQ);
        translations.get(startFrame, tempV);
        if (scales != null) {
            scales.get(startFrame, tempS);
        }
        rotations.get(endFrame, tempQ2);
        translations.get(endFrame, tempV2);
        if (scales != null) {
            scales.get(endFrame, tempS2);
        }
        tempQ.nlerp(tempQ2, blend);
        tempV.interpolateLocal(tempV2, blend);
        tempS.interpolateLocal(tempS2, blend);
    }
    //        if (weight != 1f) {
    target.blendAnimTransforms(tempV, tempQ, scales != null ? tempS : null, weight);
//        } else {
//            target.setAnimTransforms(tempV, tempQ, scales != null ? tempS : null);
//        }
}

Example 2 with Skeleton

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

the class SkeletonControl method cloneFields.

@Override
public void cloneFields(Cloner cloner, Object original) {
    super.cloneFields(cloner, original);
    this.skeleton = cloner.clone(skeleton);
    // If the targets were cloned then this will clone them.  If the targets
    // were shared then this will share them.
    this.targets = cloner.clone(targets);
    // Not automatic set cloning yet
    Set<Material> newMaterials = new HashSet<Material>();
    for (Material m : this.materials) {
        Material mClone = cloner.clone(m);
        newMaterials.add(mClone);
        if (mClone != m) {
            // Material was really cloned so clear the bone matrices in case
            // this is hardware skinned.  This allows a local version to be
            // used and will be reset on the material.  Really this just avoids
            // the 'safety' check in controlRenderHardware().  Right now material
            // doesn't clone itself with the cloner (and doesn't clone its parameters)
            // else this would be unnecessary.
            MatParam boneMatrices = mClone.getParam("BoneMatrices");
            // parameter.
            if (boneMatrices != null) {
                mClone.clearParam("BoneMatrices");
            }
        }
    }
    this.materials = newMaterials;
}

Example 3 with Skeleton

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

the class AnimControl method controlUpdate.

/**
     * Internal use only.
     */
@Override
protected void controlUpdate(float tpf) {
    if (skeleton != null) {
        // reset skeleton to bind pose
        skeleton.reset();
    }
    TempVars vars = TempVars.get();
    for (int i = 0; i < channels.size(); i++) {
        channels.get(i).update(tpf, vars);
    }
    vars.release();
    if (skeleton != null) {
        skeleton.updateWorldVectors();
    }
}

Example 4 with Skeleton

use of com.jme3.animation.Skeleton 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 5 with Skeleton

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

the class ArmatureModifier method postMeshCreationApply.

@Override
public void postMeshCreationApply(Node node, BlenderContext blenderContext) {
    LOGGER.fine("Applying armature modifier after mesh has been created.");
    AnimationHelper animationHelper = blenderContext.getHelper(AnimationHelper.class);
    animationHelper.applyAnimations(node, skeleton, blenderContext.getBlenderKey().getAnimationMatchMethod());
    node.updateModelBound();
}