Add two new Action Events

To bind the "1" and "2" keys

To weapon_1 and weapon_2

Attach a New Script to WeaponHandler

Add export variables for the weapons

Add an equip function to

loop through all the weapons

if a weapon is the active one

make it visible and enabled

otherwise make it invisible

and disabled

Add a function to switch weapons

if the action is weapon 1

call equip on weapon 1

keep matching the event

to the weapon to equip.

Choose the starting weapon 

By making one of the weapons

Start as invisible

In the Player Script

Select the WeaponHandler

In the Inspector

Assign the weapons