Examples with GLTFNode org.terasology.engine.rendering.gltf.model.GLTFNode used on opensource projects

Example 1 with GLTFNode

use of org.terasology.engine.rendering.gltf.model.GLTFNode in project Terasology by MovingBlocks.

the class GLTFCommonFormat method loadBones.

protected List<Bone> loadBones(GLTF gltf, GLTFSkin skin, List<byte[]> loadedBuffers) {
    List<Bone> bones = new ArrayList<>();
    TIntIntMap boneToJoint = new TIntIntHashMap();
    List<Matrix4f> inverseMats = loadInverseMats(skin.getInverseBindMatrices(), skin.getJoints().size(), gltf, loadedBuffers);
    for (int i = 0; i < skin.getJoints().size(); i++) {
        int nodeIndex = skin.getJoints().get(i);
        GLTFNode node = gltf.getNodes().get(nodeIndex);
        Vector3f position = new Vector3f();
        Quaternionf rotation = new Quaternionf();
        Vector3f scale = new Vector3f(1, 1, 1);
        if (node.getTranslation() != null) {
            position.set(node.getTranslation());
        }
        if (node.getRotation() != null) {
            rotation.set(node.getRotation());
        }
        if (node.getScale() != null) {
            scale.set(node.getScale());
        }
        String boneName = node.getName();
        if (Strings.isNullOrEmpty(boneName)) {
            boneName = "bone_" + i;
        }
        Bone bone = new Bone(i, boneName, new Matrix4f().translationRotateScale(position, rotation, scale));
        bone.setInverseBindMatrix(inverseMats.get(i));
        bones.add(bone);
        boneToJoint.put(nodeIndex, i);
    }
    for (int i = 0; i < skin.getJoints().size(); i++) {
        int nodeIndex = skin.getJoints().get(i);
        GLTFNode node = gltf.getNodes().get(nodeIndex);
        Bone bone = bones.get(i);
        TIntIterator iterator = node.getChildren().iterator();
        while (iterator.hasNext()) {
            bone.addChild(bones.get(boneToJoint.get(iterator.next())));
        }
    }
    return bones;
}

Example 2 with GLTFNode

use of org.terasology.engine.rendering.gltf.model.GLTFNode in project Terasology by MovingBlocks.

the class GLTFMeshFormat method getMatrix.

private Matrix4f getMatrix(GLTF gltf, int nodeIndex) {
    Matrix4f transform = new Matrix4f();
    if (nodeIndex != -1) {
        GLTFNode node = gltf.getNodes().get(nodeIndex);
        if (node.getMatrix() == null) {
            Vector3f position = new Vector3f();
            Quaternionf rotation = new Quaternionf();
            Vector3f scale = new Vector3f(1, 1, 1);
            if (node.getTranslation() != null) {
                position.set(node.getTranslation());
            }
            if (node.getRotation() != null) {
                rotation.set(node.getRotation());
            }
            if (node.getScale() != null) {
                scale.set(node.getScale());
            }
            transform.translationRotateScale(position, rotation, scale);
        } else {
            transform.set(node.getMatrix());
        }
        int parentNodeIndex = getParentNode(gltf, nodeIndex);
        Matrix4f parentTransform = getMatrix(gltf, parentNodeIndex);
        // Must be multiplied in the right order
        parentTransform.mul(transform);
        transform.set(parentTransform);
    }
    return transform;
}