Add Recipemanager that loads recipes from YAML

addons/yaml/editor/file_system.gd

@@ -0,0 +1,93 @@
+@tool
+class_name YAMLFileSystem extends Node
+
+signal file_opened(path)
+signal file_saved(path)
+signal file_updated(path)
+signal file_closed(path)
+signal file_renamed(old_path, new_path)
+
+# Singleton pattern
+static var _instance: YAMLFileSystem
+static func get_singleton() -> YAMLFileSystem:
+	if not _instance:
+		_instance = YAMLFileSystem.new()
+		Engine.get_main_loop().root.call_deferred("add_child", _instance)
+	return _instance
+
+func _init() -> void:
+	if _instance != null:
+		push_error("YAMLFileSystem singleton already exists")
+		return
+	_instance = self
+	# Mark as persistent so it doesn't get destroyed on scene changes
+	process_mode = Node.PROCESS_MODE_ALWAYS
+
+# File operations with signals
+func save_file(path: String, content: String) -> Error:
+	var was_new_file = not file_exists(path)
+
+	var file := FileAccess.open(path, FileAccess.WRITE)
+	if not file:
+		return FileAccess.get_open_error()
+
+	file.store_string(content)
+	file_saved.emit(path)
+	file_updated.emit(path)
+
+	# If this was a new file, notify Godot's filesystem
+	if was_new_file:
+		call_deferred("_refresh_filesystem", path)
+
+	return OK
+
+func read_file(path: String) -> Variant:
+	var file := FileAccess.open(path, FileAccess.READ)
+	if not file:
+		return FileAccess.get_open_error()
+
+	return file.get_as_text()
+
+# Check if a file exists
+func file_exists(path: String) -> bool:
+	return FileAccess.file_exists(path)
+
+# Utility to check if a path is a YAML file
+func is_yaml_file(path: String) -> bool:
+	return path.get_extension().to_lower() in ["yaml", "yml"]
+
+# For external updates, allow code to manually trigger the signal
+func notify_file_updated(path: String) -> void:
+	file_updated.emit(path)
+
+# Called when a file is opened in the editor
+func notify_file_opened(path: String) -> void:
+	file_opened.emit(path)
+
+# Called when a file is closed in the editor
+func notify_file_closed(path: String) -> void:
+	file_closed.emit(path)
+
+# Called when a file is renamed (by the filesystem or editor)
+func notify_file_renamed(old_path: String, new_path: String) -> void:
+	file_renamed.emit(old_path, new_path)
+
+# Find a file by name in the filesystem
+func find_file_in_filesystem(dir: EditorFileSystemDirectory, filename: String) -> String:
+	# Check files in current directory
+	for i in range(dir.get_file_count()):
+		var file_path := dir.get_file_path(i)
+		if file_path.get_file() == filename:
+			return file_path
+
+	# Recursively check subdirectories
+	for i in range(dir.get_subdir_count()):
+		var subdir := dir.get_subdir(i)
+		var result := find_file_in_filesystem(subdir, filename)
+		if not result.is_empty():
+			return result
+
+	return ""
+
+func _refresh_filesystem(path: String) -> void:
+	EditorInterface.get_resource_filesystem().update_file(path)