56 lines
1.4 KiB
GDScript
56 lines
1.4 KiB
GDScript
## MetaProgress — 全局元进展（Autoload: MetaProgress）
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## 以太碎片 + 已解锁法术，持久化 user://meta.json（死亡不重置）。
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extends Node
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const PATH: String = "user://meta.json"
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var aether: int = 0
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var unlocked: Array = [] # 已解锁法术 id (String)
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func _ready() -> void:
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load_meta()
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func add_aether(n: int) -> void:
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if n <= 0:
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return
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aether += n
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save_meta()
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func is_unlocked(id: String) -> bool:
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return id in unlocked
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## 已解锁 或 碎片不足 → false（不扣费）；否则扣费+记录+存档 → true
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func unlock(id: String, cost: int) -> bool:
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if is_unlocked(id) or aether < cost:
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return false
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aether -= cost
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unlocked.append(id)
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save_meta()
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return true
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func clear() -> void:
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aether = 0
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unlocked = []
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if FileAccess.file_exists(PATH):
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DirAccess.remove_absolute(ProjectSettings.globalize_path(PATH))
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func save_meta() -> void:
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var f := FileAccess.open(PATH, FileAccess.WRITE)
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if f:
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f.store_string(JSON.stringify({"aether": aether, "unlocked": unlocked}))
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f.close()
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func load_meta() -> void:
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aether = 0
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unlocked = []
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if not FileAccess.file_exists(PATH):
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return
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var parsed = JSON.parse_string(FileAccess.get_file_as_string(PATH))
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if not (parsed is Dictionary):
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return
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aether = int(parsed.get("aether", 0))
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var u = parsed.get("unlocked", [])
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if u is Array:
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for id in u:
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unlocked.append(String(id))
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