feat(hotas): Refactor HOTAS to support variants

Mods/HOTAS/DeviceSlot.gd

@@ -0,0 +1,96 @@
+class_name DeviceSlot extends Node3D
+
+
+const StickDriver = preload("res://Mods/HOTAS/FlightStick/StickDriver.gd")
+
+@export
+var side: String = "left"
+
+var device_index: int = -1
+var axis_y: int = -1
+var axis_x: int = -1
+var axis_z: int = -1
+
+var invert_y: bool = false
+var invert_x: bool = false
+var invert_z: bool = false
+
+var device_node: StickDriver = StickDriver.new()
+
+# Moved off being reiniated every frame.
+# FIXME: De-duplicate this array from all over the place.
+# TODO: May need some simplification: 
+# Perhaps just 1-4 than medical terms that may be harder to wrap head around
+const _mediapipe_hand_landmark_names : Array = [
+	"wrist",
+
+	"thumb_cmc", # carpometacarpal
+	"thumb_mcp", # metacarpal
+	"thumb_ip", # interphalangeal
+	"thumb_tip", # tip
+
+	"index_finger_mcp",
+	"index_finger_pip", # proximal interphalangeal
+	"index_finger_dip", # distal interphalangeal
+	"index_finger_tip",
+
+	"middle_finger_mcp",
+	"middle_finger_pip",
+	"middle_finger_dip",
+	"middle_finger_tip",
+
+	"ring_finger_mcp",
+	"ring_finger_pip",
+	"ring_finger_dip",
+	"ring_finger_tip",
+
+	"pinky_finger_mcp",
+	"pinky_finger_pip",
+	"pinky_finger_dip",
+	"pinky_finger_tip",
+]
+
+func get_device_axis(axis_index: int, invert: bool) -> float:
+	if device_index == -1 || axis_index == -1:
+		return 0
+	var value = Input.get_joy_axis(device_index, axis_index)
+	if invert: 
+		return -value
+	return value 
+
+func get_device_vector() -> Vector3:
+	var x = get_device_axis(axis_x, invert_x)
+	var y = get_device_axis(axis_y, invert_y)
+	var z = get_device_axis(axis_z, invert_z)
+
+	return Vector3(x, y, z)
+
+func remove_children():
+	for child in self.get_children():
+		self.remove_child(child)
+		child.queue_free()
+
+func remove_device() -> void:
+	remove_children()
+	device_node = null
+
+func replace_device(new_node: StickDriver) -> void:
+	remove_device()
+	self.add_child(new_node)
+	device_node = new_node
+
+func animate(vec: Vector3, hand_tracker: Node3D, tracker_dict: Dictionary) -> void:
+	if device_index == -1 or device_node == null: return
+	device_node.set_animation(vec)
+
+	var device = get_child(0)
+	var wrist_position = device.find_child("hand")
+
+	if tracker_dict["hand_" + side]["active"] == false and device != null and wrist_position != null:
+		tracker_dict["hand_" + side]["active"] = true
+		tracker_dict["hand_" + side]["transform"] = wrist_position.global_transform
+
+		for tracker_name in _mediapipe_hand_landmark_names:
+			var tracker_node : Node3D = device.find_child(tracker_name)
+			if tracker_node:
+				tracker_dict["finger_positions"][side + "_" + tracker_name] = tracker_node.global_transform.origin

Mods/HOTAS/DeviceSlot.gd.uid

@@ -0,0 +1 @@
+uid://cw34v07h3wecw