adds basic arm control flow system

scripts/arm.gd

@@ -1,6 +1,6 @@
 extends Node3D
 
-@export var key: Key
+@export var action: StringName
 
 
 # Called when the node enters the scene tree for the first time.
@@ -11,3 +11,12 @@ func _ready() -> void:
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
 	pass
+
+
+func _arm_enabled(arm):
+	print_debug("enabled!")
+	pass
+
+func _arm_disabled(arm):
+	print_debug("disabled!")
+	pass

scripts/body.gd

@@ -2,12 +2,20 @@ extends Node3D
 
 @export var arms: Array[Node]
 
+signal arm_enabled(arm)
+signal arm_disabled(arm)
+
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	pass # Replace with function body.
-
+	for arm in arms:
+		arm_enabled.connect(arm.arm_enabled)
+		arm_disabled.connect(arm.arm_disabled)
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
+func _physics_process(delta: float) -> void:
+	for arm in arms:
+		if Input.is_action_just_pressed(arm.action):
+			arm_enabled.emit(arm)
+		if Input.is_action_just_released(arm.action):
+			arm_disabled.emit(arm)