changed hand mechanics to discard to a new hand every round

PCs/FSM/fighting_state.gd

@@ -14,6 +14,8 @@ func enter_state() -> void:
 		hero.weapons[hero.equipped_weapon].current_energy = hero.weapons[hero.equipped_weapon].max_energy
 		#this had to be commented out coz the new energy bar thinks "energy changed" is "energy used"
 		#weapons[equipped_weapon].energy_changed.emit(weapons[equipped_weapon].current_energy)
+	for x: int in hero.hand.contents.size():
+		hero.discard_pile.add(hero.hand.remove_at(hero.hand.contents.size() - 1))
 	hero.weapon_swap_timer.start()
 	hero.hud.primary_duration.visible = false
 	hero.hud.secondary_duration.visible = false