SagePay integration Opencart 2.0?

Hello,
I have been trying to find a solution for days. I am currently using a modified version of OpenCart 2.0 where SagePay has been removed from standard payment option. If I am correct OpenCart 2.0 should come with SagePay integrated right? So what i did is download the original OpenCart 2.0 files and replace every payment files by the original ones. But whatever i do SagePay doesn't appear in my payment list. My guest is i am missing a file somewhere. Can somebody help me?

Files that i have copied from the original OpenCart 2.0 to my Opencart.
admin\controller\payment\sagepay_direct.php, sagepay_server.php, sagepay_us.php
admin\language\english\payment\sagepay_direct.php, sagepay_server.php, sagepay_us.php
admin\model\payment\sagepay_direct.php, sagepay_server.php
admin\view\template\payment\sagepay_direct.tpl, sagepay_direct_order.tpl, sagepay_server.tpl, sagepay_server_order.tpl, sagepay_us.tpl
catalog\controller\payment\sagepay_direct.php, sagepay_server.php, sagepay_us.php
catalog\language\english\payment\sagepay_direct.php, sagepay_server.php, sagepay_us.php
catalog\model\payment\sagepay_direct.php, sagepay_server.php, sagepay_us.php
catalog\view\theme\default\template\payment\sagepay_direct.tpl, sagepay_server.tpl, sagepay_us.tpl

with OC2 there is only SagePay Direct and SagePay Server, no sagepay form for OC2

i use worldpay, but there is no worldpay gateway for OC2, its just the new worldpay online, which isnt usable when trying to purchase via mobile - i have been speaking to worldpay and they are making some code changes over the next 4 weeks, so they say, but even then im not sure that will sort it

basically, at the moment im stuffed!