Engine Update : Weapon and Ability pickup, UI and ammo / reload

Here is an engine update! Video first, explanations later :

Changelog / Additions:

- Weapon Pickups : Minigun and Pistol
- Ability Pickups: Melee
- Weapon Shake when shooting
- Ammo / Reload
- HUD to show health and ammo
- Added centerpiece to the map

HUD tutorial found here

Ammo tutorial found here

Camera shake tutorial found here

Image 1. Setting the default weapon and weapon variables

Image 2. Pickup script

Image 3. Reloading script that changes reload time and reload amount depending on weapon

Image 4. Weapon functionality

Image 5. Weapon Enabler / Displayer