way too many changes to list, oops. big rewrite.

ladder.gd

@@ -0,0 +1,11 @@
+class_name Ladder extends Area3D
+
+
+func _on_body_entered(body: Node3D) -> void:
+	if body is Hero:
+		body.movement.enable_climbing()
+
+
+func _on_body_exited(body: Node3D) -> void:
+	if body is Hero:
+		body.movement.disable_climbing()