## Installation
1. Download and upload to *ROOT_PATH/includes/libs/opbe/* all [OPBE files](https://github.com/jstar88/opbe/archive/master.zip) .
You should see something like *ROOT_PATH/includes/libs/opbe/index.php*.
(Remember to rename opbe-master to opbe)
Alternatively, you can open a terminal and do:
```
cd ROOT_PATH/includes/libs/
sudo git clone https://github.com/jstar88/opbe.git
```
2. Make sure the correct OPBE path,defined in the implementation file as:
```php
require (ROOT_PATH . 'includes'.DIRECTORY_SEPARATOR.'libs'.DIRECTORY_SEPARATOR.'opbe'.DIRECTORY_SEPARATOR.'utils'.DIRECTORY_SEPARATOR.'includer.php');
```
3. Replace default 2Moons's *ROOT_PATH/includes/classes/missions/calculateAttack.php* with the one above
Alternatively, you can open a terminal and do:
```
cd ROOT_PATH/includes/libs/opbe
sudo cp implementations/2Moons/1_6_1/calculateAttack.php ROOT_PATH/includes/classes/missions/
```
4. Updating:
You can use filezilla.
Alternatively, you can open a terminal and do:
```
cd ROOT_PATH/includes/libs/opbe
sudo git pull
sudo cp implementations/2Moons/1_6_1/calculateAttack.php ROOT_PATH/includes/classes/missions/
```
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