From e8d0c064402779bdd0af671fe3df3973fd7dcd87 Mon Sep 17 00:00:00 2001
From: Joywayer <joywayer@163.com>
Date: Tue, 21 Jul 2026 11:42:18 +0800
Subject: [PATCH] =?UTF-8?q?feat(meta):=20MetaProgress=20autoload=EF=BC=88?=
 =?UTF-8?q?=E7=A2=8E=E7=89=87+=E5=B7=B2=E8=A7=A3=E9=94=81+=E6=8C=81?=
 =?UTF-8?q?=E4=B9=85=E5=8C=96=20user://meta.json=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 project.godot                      |  1 +
 scripts/autoloads/meta_progress.gd | 55 ++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 scripts/autoloads/meta_progress.gd

diff --git a/project.godot b/project.godot
index a2b2449..5fd7194 100644
--- a/project.godot
+++ b/project.godot
@@ -50,6 +50,7 @@ DpsTracker="*res://scripts/autoloads/dps_tracker.gd"
 ZoneManager="*res://scripts/autoloads/zone_manager.gd"
 MinionManager="*res://scripts/autoloads/minion_manager.gd"
 EndlessRecords="*res://scripts/autoloads/endless_records.gd"
+MetaProgress="*res://scripts/autoloads/meta_progress.gd"
 Locale="*res://scripts/autoloads/locale_manager.gd"
 SettingsManager="*res://scripts/autoloads/settings_manager.gd"
 AudioManager="*res://scripts/autoloads/audio_manager.gd"
diff --git a/scripts/autoloads/meta_progress.gd b/scripts/autoloads/meta_progress.gd
new file mode 100644
index 0000000..23517d0
--- /dev/null
+++ b/scripts/autoloads/meta_progress.gd
@@ -0,0 +1,55 @@
+## MetaProgress — 全局元进展（Autoload: MetaProgress）
+## 以太碎片 + 已解锁法术，持久化 user://meta.json（死亡不重置）。
+extends Node
+
+const PATH: String = "user://meta.json"
+
+var aether: int = 0
+var unlocked: Array = []   # 已解锁法术 id (String)
+
+func _ready() -> void:
+	load_meta()
+
+func add_aether(n: int) -> void:
+	if n <= 0:
+		return
+	aether += n
+	save_meta()
+
+func is_unlocked(id: String) -> bool:
+	return id in unlocked
+
+## 已解锁 或 碎片不足 → false（不扣费）；否则扣费+记录+存档 → true
+func unlock(id: String, cost: int) -> bool:
+	if is_unlocked(id) or aether < cost:
+		return false
+	aether -= cost
+	unlocked.append(id)
+	save_meta()
+	return true
+
+func clear() -> void:
+	aether = 0
+	unlocked = []
+	if FileAccess.file_exists(PATH):
+		DirAccess.remove_absolute(ProjectSettings.globalize_path(PATH))
+
+func save_meta() -> void:
+	var f := FileAccess.open(PATH, FileAccess.WRITE)
+	if f:
+		f.store_string(JSON.stringify({"aether": aether, "unlocked": unlocked}))
+		f.close()
+
+func load_meta() -> void:
+	aether = 0
+	unlocked = []
+	if not FileAccess.file_exists(PATH):
+		return
+	var parsed = JSON.parse_string(FileAccess.get_file_as_string(PATH))
+	if not (parsed is Dictionary):
+		return
+	aether = int(parsed.get("aether", 0))
+	var u = parsed.get("unlocked", [])
+	if u is Array:
+		for id in u:
+			unlocked.append(String(id))