some ui polish and project cleanup

Scripts/Resources/level_specs.gd

@@ -4,4 +4,4 @@ class_name LevelSpecs extends Resource
 @export var allowed_cards: Array[Card]
 @export var waves: Array[WaveConfig]
 @export var points_blocked: Array[int]
-@export var zone_scene: PackedScene
+@export var zone: ZoneConfig

Scripts/enemy_spawner.gd

@@ -97,7 +97,7 @@ func create_path() -> void:
 
 
 func update_path() -> void:
-	if type != Data.EnemyType.LAND:
+	if type != Data.EnemyType.LAND or !flow_field.nodes:
 		return
 	path.curve = Curve3D.new()
 	var node: FlowNode = flow_field.get_closest_traversable_point(global_position)

Scripts/game.gd

@@ -94,7 +94,7 @@ func spawn_level(scene: PackedScene) -> void:
 	var flow_field: FlowField = FlowField.new()
 	level.flow_field = flow_field
 	level.add_child(flow_field)
-	flow_field.load_from_data(FlowFieldTool.load_flow_field_from_disc(level.data_path))
+	flow_field.load_from_data(FlowFieldTool.load_flow_field_from_disc(level_specs.zone.flow_field_data_path))
 	level.load_flow_field()
 	level.game_manager = self
 	for x: EnemySpawner in level.enemy_spawns:
@@ -324,7 +324,7 @@ func setup() -> void:
 	connected_players_nodes.clear()
 	
 	#Spawn new stuff
-	spawn_level(level_specs.zone_scene)
+	spawn_level(level_specs.zone.scene)
 	
 	#Set starting parameters
 	game_active = false

Scripts/level.gd

@@ -10,9 +10,7 @@ extends Node3D
 @export var cinematic_cam: CinematicCamManager
 @export var printer: CardPrinter
 @export var shop: ShopStand
-@export var obstacle_scenes: Array[PackedScene]
 @export var obstacles: Array[PackedScene]
-@export var data_path: String
 var walls: Dictionary[FlowNode, TowerBase] = {}
 var wall_id: int = 0
 var tower_base_scene: PackedScene = load("res://Scenes/TowerBase/tower_base.tscn")