def parseG1MS(currentPosition,bs):
	jointDataOffset = bs.read('I')[0]
	conditionNumber = bs.read('H')[0]
	bs.read('H')[0] #unknown
	jointCount = bs.read('H')[0]
	jointIndicesCount = bs.read('H')[0]
	bs.read('I') #unknown, last UShort always at 0 ?
	if(debug):
		print("Skeleton with " + str(jointCount) + " bones and " + str(jointIndicesCount) + " indices")

	if(conditionNumber != 0):
		bs.seek(currentPosition + jointDataOffset)
		for i in range(jointCount):
			#read data
			bs.read('3f') #scale
			parentID=bs.read('i')[0]
			quaternionRotation=bs.read('4f')
			position=bs.read('3f')
			bs.read('f')
			#prepare bone transform
			boneMatrixTransform=NoeQuat(quaternionRotation).toMat43().inverse()
			boneMatrixTransform[3] = NoeVec3(position)
			#create the bone
			bone = NoeBone(i, 'bone_'+str(i),boneMatrixTransform,None,parentID)
			#add it to the bone list
			boneList.append(bone)
	#space change
	for bone in boneList:
		parentId = bone.parentIndex
		if parentId != -1:
			bone.setMatrix(bone.getMatrix()*boneList[parentId].getMatrix())
	return 1