Matcaps For Maya - Python

matcapsMaya.py

import os
import maya.cmds as cmds
import glob

def matCapShader():
    mainShader=cmds.shadingNode("surfaceShader",n="matCapShader",asShader=True)
    envBall=cmds.shadingNode("envBall",n="matCapBall",asTexture=True)
    placeTextureNode3D=cmds.shadingNode("place3dTexture",n="matCapTexturePlacer3d",asUtility=True)
    fileNode=cmds.shadingNode("file",n="matCapFile",asTexture=True)
    placeTextureNode2D=cmds.shadingNode("place2dTexture",n="matCapTexturePlacer2d",asUtility=True)
    
    cmds.connectAttr("%s.worldInverseMatrix"%placeTextureNode3D,"%s.placementMatrix"%envBall)
    cmds.connectAttr("%s.outColor"%envBall,"%s.outColor"%mainShader)
    
    cmds.connectAttr("%s.coverage"%placeTextureNode2D,"%s.coverage"%fileNode)
    cmds.connectAttr("%s.translateFrame"%placeTextureNode2D,"%s.translateFrame"%fileNode)
    cmds.connectAttr("%s.rotateFrame"%placeTextureNode2D,"%s.rotateFrame"%fileNode)
    cmds.connectAttr("%s.mirrorU"%placeTextureNode2D,"%s.mirrorU"%fileNode)
    cmds.connectAttr("%s.mirrorV"%placeTextureNode2D,"%s.mirrorV"%fileNode)
    cmds.connectAttr("%s.stagger"%placeTextureNode2D,"%s.stagger"%fileNode)
    cmds.connectAttr("%s.wrapU"%placeTextureNode2D,"%s.wrapU"%fileNode)
    cmds.connectAttr("%s.wrapV"%placeTextureNode2D,"%s.wrapV"%fileNode)
    cmds.connectAttr("%s.repeatUV"%placeTextureNode2D,"%s.repeatUV"%fileNode)
    cmds.connectAttr("%s.offset"%placeTextureNode2D,"%s.offset"%fileNode)
    cmds.connectAttr("%s.rotateUV"%placeTextureNode2D,"%s.rotateUV"%fileNode)
    cmds.connectAttr("%s.noiseUV"%placeTextureNode2D,"%s.noiseUV"%fileNode)
    cmds.connectAttr("%s.outUV"%placeTextureNode2D,"%s.uv"%fileNode)
    cmds.connectAttr("%s.outUvFilterSize"%placeTextureNode2D,"%s.uvFilterSize"%fileNode)
    cmds.connectAttr("%s.outColor"%fileNode,"%s.image"%envBall,force=True)
    
    cmds.setAttr("%s.filterType"%fileNode,0)
    cmds.setAttr("%s.eyeSpace"%envBall,1)
    return(mainShader,fileNode)


def assignShader():
    
    r=cmds.ls(sl=True)
    for i in r:
        cmds.hyperShade(a=shaderName)
      
def fetchFiles():
    path=cmds.textField(inputPath,q=True,text=True)
    os.chdir(path)
    files = glob.glob('*.*')
    cmds.textScrollList(matCapListBox,e=True,append=(files))
    
def changePreviewImage():
    mainPath=cmds.textField(inputPath,q=True,text=True)
    selectedIndex=cmds.textScrollList(matCapListBox,q=True,si=1)
    imagepath=mainPath+"\\"+selectedIndex[0]
    print imagepath
    cmds.setAttr("%s.fileTextureName"%fileName,str(imagepath),type="string")
    cmds.iconTextButton(matCapPreviewImage,e=True,image1=imagepath)


matcapList=[]
matcapWindow = cmds.window( title="Matcaps for Maya", iconName='Short Name', widthHeight=(505, 315),tlb=True,sizeable=False,bgc=(0.3,0.3,0.3) )

createShader=matCapShader()
fileName=createShader[1]
shaderName=createShader[0]

cmds.columnLayout( adjustableColumn=True )
cmds.iconTextStaticLabel( st='textOnly',l='MATCAPS FOR MAYA',h=30 )
cmds.separator(h=10)

cmds.rowColumnLayout(nc=3)
cmds.iconTextStaticLabel( st='textOnly',l='Path',w=50 )
inputPath=cmds.textField(w=350,bgc=(0.5,0.5,0.5))
cmds.button("Fetch Matcaps",w=100,c="fetchFiles()")
cmds.setParent("..")
cmds.separator(h=10)
cmds.rowColumnLayout(nc=2)

matCapListBox=cmds.textScrollList(append=(matcapList),sc="changePreviewImage()",w=300)
matCapPreviewImage=cmds.iconTextButton( style='iconOnly', image1=None,w=200,h=200)
cmds.setParent( '..' )
cmds.separator(h=10)
cmds.button("Assign Shader",w=250,c="assignShader()")

cmds.showWindow( matcapWindow )