Tasks\TraversingRelationConstraint.py

# Copyright 2010 Autodesk, Inc.  All rights reserved.
# Use of this software is subject to the terms of the Autodesk license agreement 
# provided at the time of installation or download, or which otherwise accompanies
# this software in either electronic or hard copy form.
#
# Script description:
# This sample shows you how to traverse animation node connections in a relation constraint.
#
# Sample scene file this script works with: traversingRelationConstraint.fbx 
# 
# Topic: FBConstraintRelation, FBAnimationNode
 
from pyfbsdk import *
 
lCons = FBSystem().Scene.Constraints
#Going through the constraints in the scene
print("********************************************")
print("***These are the constraints in the scene***")
print("********************************************")
for lCon in lCons:   
    print("Constraint Name ->", lCon.Name)
    print("  Constraint Type ->", lCon.FbxGetObjectType() )
    print("  Constraint Sub Type ->", lCon.FbxGetObjectSubType() )
 
print    
for lCon in lCons:   
    if lCon.Is( FBConstraintRelation_TypeInfo() ):
        print("*************************************************")
        print("***These are the %d boxes in the %s Constraint***" % (len(lCon.Boxes), lCon.Name))
        print("*************************************************")
        for lBox in lCon.Boxes:
            lOut = 0
            lIn = 0
            lAnimationNodesOUT = lBox.AnimationNodeOutGet().Nodes
            for lAnimationNode in lAnimationNodesOUT:
                for i in range(lAnimationNode.GetDstCount()):
                    if lAnimationNode.GetDst(0) != None: 
                        #Workaround for why it's printing in nodes that aren't connected
                        if not lAnimationNode.GetDst(i).GetOwner().Name.startswith("Relation"):
                            lOut = 1
            #IN  Animation Nodes
            lAnimationNodesIN = lBox.AnimationNodeInGet().Nodes
            for lAnimationNode in lAnimationNodesIN:
                for i in range(lAnimationNode.GetSrcCount()):
                    if lAnimationNode.GetSrc(0) != None:
                        lIn = 1
            if lOut == 0 and lIn == 1:
                print("%s is a Receiver Box of type: %s, of sub type: %s" %( lBox.Name, lBox.FbxGetObjectType(), lBox.FbxGetObjectSubType() ) )
            elif lOut == 1 and lIn == 0:
                print("%s is a Sender Box of type: %s, of sub type: %s" %( lBox.Name, lBox.FbxGetObjectType(), lBox.FbxGetObjectSubType() ) )
            else:
                print("%s is a Function (operator) Box of type: %s, of sub type: %s" %( lBox.Name, lBox.FbxGetObjectType(), lBox.FbxGetObjectSubType() ) )
        print()
        print("**********************************************************************")
        print("***These are the connections between the boxes in the %s Constraint***" % lCon.Name)
        print("**********************************************************************")
        for lBox in lCon.Boxes:
            print("-------%s Box connected Animation Nodes-------" % lBox.Name)
            #OUT Animation Nodes
            #looks like we have an issue with Out Animation Nodes, I think it prints in nodes too :(
            lAnimationNodesOUT = lBox.AnimationNodeOutGet().Nodes
    
            for lAnimationNode in lAnimationNodesOUT:
                for i in range(lAnimationNode.GetDstCount()):
                    if lAnimationNode.GetDst(0) != None: 
                        #Workaround for why it's printing in nodes that aren't connected
                        if not lAnimationNode.GetDst(i).GetOwner().Name.startswith("Relation"):
                            print("OUT: %s (%s) > %s (%s) " % (lBox.Name, lAnimationNode.UserName, lAnimationNode.GetDst(i).GetOwner().Name, lAnimationNode.GetDst(i).UserName))
            
            #IN  Animation Nodes
            lAnimationNodesIN = lBox.AnimationNodeInGet().Nodes
            for lAnimationNode in lAnimationNodesIN:
                for i in range(lAnimationNode.GetSrcCount()):
                    if lAnimationNode.GetSrc(0) != None:
                        print("IN: %s (%s) > %s (%s) " % (lBox.Name, lAnimationNode.UserName, lAnimationNode.GetSrc(0).GetOwner().Name, lAnimationNode.GetSrc(0).UserName))
            print()