I was wondering if it was possible to make a secondary fire weapon that needs to charge up before firing. If it was primary fire all that I can think of is that weap 1 fires, does no damage, and doesn't allow other weapons to fire. Then after weap 1 finishes its burst and goes into burst reload, weap 2 fires. I don't know if you can do that with secondary fire though...
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"Hey look! A Pola-(boom)"-my thoughts when entering Nila'Mjolnir.