/**
* This method creates an ipo object used for interpolation calculations.
*
* @param ipoStructure the structure with ipo definition
* @param blenderContext the blender context
* @return the ipo object
* @throws BlenderFileException this exception is thrown when the blender file is somehow
* corrupted
*/
public Ipo fromIpoStructure(Structure ipoStructure, BlenderContext blenderContext)
throws BlenderFileException {
Structure curvebase = (Structure) ipoStructure.getFieldValue("curve");
// preparing bezier curves
Ipo result = null;
List<Structure> curves = curvebase.evaluateListBase(); // IpoCurve
if (curves.size() > 0) {
BezierCurve[] bezierCurves = new BezierCurve[curves.size()];
int frame = 0;
for (Structure curve : curves) {
Pointer pBezTriple = (Pointer) curve.getFieldValue("bezt");
List<Structure> bezTriples = pBezTriple.fetchData();
int type = ((Number) curve.getFieldValue("adrcode")).intValue();
bezierCurves[frame++] = new BezierCurve(type, bezTriples, 2);
}
curves.clear();
result = new Ipo(bezierCurves, fixUpAxis, blenderContext.getBlenderVersion());
Long ipoOma = ipoStructure.getOldMemoryAddress();
blenderContext.addLoadedFeatures(ipoOma, LoadedDataType.STRUCTURE, ipoStructure);
blenderContext.addLoadedFeatures(ipoOma, LoadedDataType.FEATURE, result);
}
return result;
}
/**
* 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 boneOMAs the map between bone and its old memory address
* @param blenderContext the blender context
* @return newly created bone
*/
public Bone buildBone(List<Bone> bones, Map<Bone, Long> boneOMAs, BlenderContext blenderContext) {
Long boneOMA = boneStructure.getOldMemoryAddress();
bone = new Bone(boneName);
bones.add(bone);
boneOMAs.put(bone, boneOMA);
blenderContext.addLoadedFeatures(boneOMA, boneName, boneStructure, bone);
Matrix4f pose = this.restMatrix.clone();
ObjectHelper objectHelper = blenderContext.getHelper(ObjectHelper.class);
Vector3f poseLocation = pose.toTranslationVector();
Quaternion rotation = pose.toRotationQuat();
Vector3f scale = objectHelper.getScale(pose);
bone.setBindTransforms(poseLocation, rotation, scale);
for (BoneContext child : children) {
bone.addChild(child.buildBone(bones, boneOMAs, blenderContext));
}
this.computePoseTransform();
return bone;
}