weapon system rework

scripts/weapon_system/gun/idle_state.gd

@@ -0,0 +1,26 @@
+extends WeaponState
+
+@export var emptyable: bool
+
+func enter() -> void:
+	machine.animation_player.play(with_morphems("idle"))
+
+func exit() -> void:
+	pass
+
+func _input(event: InputEvent) -> void:
+	if not machine.is_multiplayer_authority(): return
+	
+	if event.is_action_pressed("plr_reload"):
+		init_reload()
+
+func use_begin() -> void:
+	transition.emit("Shoot")
+
+func init_reload():
+	if machine.ammo == machine.max_ammo:
+		return
+	transition.emit("Reload")
+
+func with_morphems(animation):
+	return machine.animation_prefix + (animation+"_empty") if emptyable and machine.ammo == 0 else animation