added machine item slots so ican start building gameplay

GameShit/PlayerController/ControllerSystem/Highlight.gd

@@ -0,0 +1,21 @@
+extends RayCast3D
+
+# Keep track of what we were just looking at
+var current_target: Object = null
+
+func _physics_process(_delta: float) -> void:
+	if is_colliding():
+		var collider = get_collider()
+		if current_target != collider:
+			_clear_current_highlight()
+			current_target = collider
+			if current_target.has_method("startHighlight"):
+				current_target.startHighlight()
+	else:
+		_clear_current_highlight()
+
+func _clear_current_highlight() -> void:
+	if current_target != null:
+		if current_target.has_method("stopHighlight"):
+			current_target.stopHighlight()
+		current_target = null