From 7682480a5fa2445a2b9e634f25d37122af2baf82 Mon Sep 17 00:00:00 2001
From: Joywayer <joywayer@163.com>
Date: Tue, 21 Jul 2026 11:45:32 +0800
Subject: [PATCH] =?UTF-8?q?feat(meta):=20=E5=95=86=E5=BA=97=E6=B1=A0?=
 =?UTF-8?q?=E6=8C=89=20unlock=5Fcost/=E5=B7=B2=E8=A7=A3=E9=94=81=E9=97=A8?=
 =?UTF-8?q?=E6=8E=A7=EF=BC=88=5Favailable=5Fpool=EF=BC=89?=
MIME-Version: 1.0
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---
 scripts/autoloads/shop_manager.gd | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/scripts/autoloads/shop_manager.gd b/scripts/autoloads/shop_manager.gd
index 6c75d4b..3d34f27 100644
--- a/scripts/autoloads/shop_manager.gd
+++ b/scripts/autoloads/shop_manager.gd
@@ -30,11 +30,17 @@ func open_shop(seed_override: int = -1) -> void:
 	_refresh_slots()
 	EventBus.emit(EventID.SHOP_OPENED, {"seed": _shop_seed})
 
-func _refresh_slots() -> void:
-	# 纯数据驱动池：SpellRegistry（data/spells.json）中可购买（shop_cost>0）的法术
-	var pool: Array = SpellRegistry.get_all_ids().filter(func(id):
+## 商店可抽池：shop_cost>0 且（未门控 unlock_cost==0 或 已解锁）
+func _available_pool() -> Array:
+	return SpellRegistry.get_all_ids().filter(func(id):
 		var s: SpellNode = SpellRegistry.get_spell(id)
-		return s != null and int(s.meta.get("shop_cost", 0)) > 0)
+		if s == null or int(s.meta.get("shop_cost", 0)) <= 0:
+			return false
+		var uc: int = int(s.meta.get("unlock_cost", 0))
+		return uc == 0 or MetaProgress.is_unlocked(id))
+
+func _refresh_slots() -> void:
+	var pool: Array = _available_pool()
 	current_slots.clear()
 	for _i in SLOT_COUNT:
 		if pool.is_empty():