ChangeC4DBitmapToOctaneBitmap

import c4d
#-- Graphos
# visit graphos.fr
ID_C4D_BITMAP = 5833
ID_OCTANE_BITMAP = 1029508

def getLinkedData(shader):
    buffer = []

    bc = shader.GetDataInstance()
    for i in xrange(0,len(bc)):
        index = bc.GetIndexId(i)
        linked = bc.GetLink(index,doc,c4d.Xbase)
        if linked:
            buffer.append([index,shader,linked])
    return buffer

def changeTexture(id,currentShader,enfantShader):
    if enfantShader.CheckType(ID_C4D_BITMAP):
        currentPath = enfantShader[c4d.BITMAPSHADER_FILENAME]
        enfantShader.Remove()

        imageTexture = c4d.BaseShader(ID_OCTANE_BITMAP)
        imageTexture[c4d.IMAGETEXTURE_FILE] = currentPath
        currentShader[id] = imageTexture
        currentShader.InsertShader(imageTexture)

        currentShader.Message(c4d.MSG_UPDATE)
        c4d.EventAdd()

def searchInShader(shader):
    shaderList = getLinkedData(shader)

    for i in shaderList:
        changeTexture(i[0],i[1],i[2])
        searchInShader(i[2])

def main():
    matList = doc.GetActiveMaterials()
    for mat in matList:
        searchInShader(mat)

if __name__=='__main__':
    main()