40 lines
1.2 KiB
GDScript
40 lines
1.2 KiB
GDScript
## ConfigMgr — JSON 配置加载器（Autoload: ConfigMgr）
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## 权威来源：architecture_design.md §2 数据层
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extends Node
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var _cache: Dictionary = {} # { file_path: String → Dictionary }
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## 加载 JSON 配置文件（带缓存）
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func load_json(path: String) -> Dictionary:
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if _cache.has(path):
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return _cache[path]
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if not FileAccess.file_exists(path):
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push_warning("ConfigMgr: 文件不存在 %s" % path)
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return {}
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var text: String = FileAccess.get_file_as_string(path)
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var parsed = JSON.parse_string(text)
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if parsed == null:
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push_error("ConfigMgr: JSON 解析失败 %s" % path)
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return {}
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if parsed is Dictionary:
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_cache[path] = parsed
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return parsed
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push_error("ConfigMgr: JSON 根节点不是 Dictionary %s" % path)
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return {}
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## 查询键值（支持点号路径，如 "enemies.basic.hp"）
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func get_value(path: String, key: String, default_val = null):
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var data: Dictionary = load_json(path)
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var keys: PackedStringArray = key.split(".")
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var node = data
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for k in keys:
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if node is Dictionary and node.has(k):
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node = node[k]
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else:
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return default_val
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return node
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## 清除缓存（热重载时调用）
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func clear_cache() -> void:
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_cache.clear()
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