armory/blender/arm/logicnode/transform/LN_quaternion.py

import bpy
from bpy.props import *
from bpy.types import Node, NodeSocket
from arm.logicnode.arm_nodes import *

class QuaternionNode(ArmLogicTreeNode):
    '''Quaternion node'''
    bl_idname = 'LNQuaternionNode'
    bl_label = 'Quaternion'
    bl_icon = 'NONE'

    def init(self, context):
        self.add_input('NodeSocketFloat', 'X')
        self.add_input('NodeSocketFloat', 'Y')
        self.add_input('NodeSocketFloat', 'Z')
        self.add_input('NodeSocketFloat', 'W', default_value=1.0)

        self.add_output('NodeSocketVector', 'Quaternion')
        self.add_output('NodeSocketVector', 'XYZ')
        self.add_output('NodeSocketFloat', 'W')

add_node(QuaternionNode, category=MODULE_AS_CATEGORY, section='quaternions')