toMia_1

# toMIA_converter  v1
# cwisbg.com
# Convert to MIA material
from pymel.core import *
sl = selected()
attrList = ("color","normalCamera","specularColor")
miaList = ("diffuse", "overall_bump","refl_gloss")
def getCons(s):# Get Connections, retuns array of connections
    connections = listConnections(s,c=1)
    x = 0
    connectionsArray = []
    connectionsArray2 = []
    connectionsArray3= []
    for a in connections:
        sgCheck = nodeType(a[1])
        if sgCheck == "shadingEngine":
            matSG = a
        c = connectionInfo(a[0], sfd=1)
        if c:
            connectionsArray.append(a[0])
            connectionsArray2.append(a[1])
            connectionsArray3.append(c)
        x+=1
    return connectionsArray,connectionsArray2, connectionsArray3, matSG[1]
for s in sl:
    con,con1, con2, matSG = getCons(s)# Connect blinn to Newly created MIA
    nwMatCheck = ls('{0}_mia'.format(s))
    if not nwMatCheck: # Check if theres a material already
        nwMat = shadingNode('mia_material_x_passes',asShader=1,n='{0}_mia'.format(s))
    else:
        nwMat = nwMatCheck
    i = 0
    for c in con:
        testCon = connectionInfo("{0}.{1}".format(nwMat,miaList[i]),sfd=1)
        if not testCon:
            if i == 2:
                connectAttr("{0}.outAlpha".format(con1[i]),"{0}.{1}".format(nwMat,miaList[i]))
            else:
                connectAttr(con2[i],"{0}.{1}".format(nwMat,miaList[i]))
        i+=1
    # Connect material to current materials Mental Ray Shading Engine
    connectAttr("{0}.message".format(nwMat), "{0}.miMaterialShader".format(matSG), f=1)
    connectAttr("{0}.message".format(nwMat), "{0}.miShadowShader".format(matSG), f=1)
    connectAttr("{0}.message".format(nwMat), "{0}.miPhotonShader".format(matSG), f=1)
print "done"