feat: Implement enemy spawning and movement logic in the level manager

managers/level_manager.gd

@@ -3,6 +3,8 @@
 # Responsible for generating, painting, and initializing the level, as well as providing pathfinding and coordinate helpers.
 extends Node
 
+const ENEMY_SCENE_PATH: String = "res://scenes/actors/enemy.tscn"
+
 # The source of truth for the current level's layout (MapData resource).
 var _data: MapData
 # The TileMapLayer node where the map is visually rendered.
@@ -18,8 +20,8 @@ var _pathfinding: PathfindingHandler = PathfindingHandler.new()
 # 1. Generates the map data.
 # 2. Paints the map visually.
 # 3. Builds the navigation graph for AI/pathfinding.
-# 4. Spawns the player at the correct location.
-func initialize(settings: MapSettings, layer: TileMapLayer, player: CharacterBody2D) -> void:
+ # 4. Spawns the player at the correct location.
+func initialize(settings: MapSettings, layer: TileMapLayer, player: Player) -> void:
 	_layer = layer
 
 	# 1. Generate the abstract map data (rooms, corridors, etc.).
@@ -38,6 +40,19 @@ func initialize(settings: MapSettings, layer: TileMapLayer, player: CharacterBod
 	# Uses the TileMapLayer to convert grid coordinates to world pixel positions.
 	player.position = _layer.map_to_local(_data.spawn_point)
 
+	# 5. Spawn one enemy per room, skipping the player's spawn room (index 0).
+	var enemy_scene := load(ENEMY_SCENE_PATH) as PackedScene
+	var world_node := player.get_parent()
+	for i in range(1, _data.rooms.size()):
+		var enemy_instance = enemy_scene.instantiate()
+		var enemy = enemy_instance as Enemy
+		if enemy == null:
+			push_error("Failed to cast enemy instance to Enemy at room index %d" % i)
+			continue
+		enemy._player = player
+		world_node.add_child(enemy)
+		enemy.position = _layer.map_to_local(_data.rooms[i].get_center())
+
 # Public API for other systems (like AI) to query the navigation grid.
 # Encapsulates the PathfindingHandler so callers don't need to know about it directly.
 func find_path(from: Vector2i, to: Vector2i) -> Array[Vector2i]: