Cinema 4D JMC2OBJ Texture Loader

fixTextures(doc){
    var mat = doc->GetFirstMaterial();
    if(!mat)
        return;
    doc->StartUndo();
        var i = 1;
    while(mat){
        var oldname = mat->GetName();

        var oldnameGEN = tostring(oldname) + ".png";
        var channel, bc;

        mat->SetBit(BIT_ACTIVE);

        mat->SetChannelState(CHANNEL_COLOR, TRUE);
        //mat->SetChannelState(CHANNEL_BUMP, TRUE);
        mat->SetChannelState(CHANNEL_BUMP, FALSE);
        mat->SetChannelState(CHANNEL_ALPHA, TRUE);
        mat->SetChannelState(CHANNEL_SPECULAR, TRUE);

        mat#MATERIAL_COLOR_COLOR = vector(1,1,1);

        channel = mat->GetChannel(CHANNEL_COLOR);
        bc = channel->GetContainer();
        bc->SetData(CH_TEXTURE, oldnameGEN);
        bc->SetData(CH_INTERPOLATION, 0);
        channel->SetContainer(bc);

        //channel = mat->GetChannel(CHANNEL_BUMP);
        //bc = channel->GetContainer();
        //bc->SetData(CH_TEXTURE, oldnameGEN);
        //bc->SetData(CH_INTERPOLATION, 0);
        //channel->SetContainer(bc);

        channel = mat->GetChannel(CHANNEL_ALPHA);
        bc = channel->GetContainer();
        bc->SetData(CH_TEXTURE, oldnameGEN);
        bc->SetData(CH_INTERPOLATION, 0);
        channel->SetContainer(bc);

        channel = mat->GetChannel(CHANNEL_SPECULAR);
        bc = channel->GetContainer();
        bc->SetData(CH_TEXTURE, oldnameGEN);
        bc->SetData(CH_INTERPOLATION, 0);
        channel->SetContainer(bc);

        mat = mat->GetNext();
        i++;
    }
    doc->EndUndo();

}
main(doc,op)
{
    fixTextures(doc);
}