add circulation manager

src/classes/avatar/inventory_mixin.py

@@ -136,6 +136,9 @@ class InventoryMixin:
         """
         from src.classes.prices import prices
         
+        # 记录流转
+        self.world.circulation.add_weapon(weapon)
+
         total = int(prices.get_weapon_price(weapon) * self._get_sell_multiplier())
         self.magic_stone = self.magic_stone + total
         return total
@@ -147,6 +150,9 @@ class InventoryMixin:
         """
         from src.classes.prices import prices
         
+        # 记录流转
+        self.world.circulation.add_auxiliary(auxiliary)
+
         total = int(prices.get_auxiliary_price(auxiliary) * self._get_sell_multiplier())
         self.magic_stone = self.magic_stone + total
         return total

src/classes/circulation.py

@@ -0,0 +1,71 @@
+from __future__ import annotations
+from typing import Dict, List, TYPE_CHECKING
+import copy
+
+if TYPE_CHECKING:
+    from src.classes.weapon import Weapon
+    from src.classes.auxiliary import Auxiliary
+
+
+class CirculationManager:
+    """
+    出世物品流通管理器
+    记录所有从角色身上流出的贵重物品（出售、死亡掉落且未被夺取等）
+    用于后续拍卖会等玩法的物品池
+    """
+    
+    def __init__(self):
+        # 存储被卖出的法宝
+        self.sold_weapons: List[Weapon] = []
+        # 存储被卖出的宝物
+        self.sold_auxiliaries: List[Auxiliary] = []
+        
+    def add_weapon(self, weapon: "Weapon") -> None:
+        """记录一件流出的兵器"""
+        if weapon is None:
+            return
+        # 使用深拷贝存储，防止外部修改影响记录
+        # 注意：这里假设 weapon 对象是可以被 copy 的
+        self.sold_weapons.append(copy.deepcopy(weapon))
+        
+    def add_auxiliary(self, auxiliary: "Auxiliary") -> None:
+        """记录一件流出的辅助装备"""
+        if auxiliary is None:
+            return
+        self.sold_auxiliaries.append(copy.deepcopy(auxiliary))
+        
+    def to_save_dict(self) -> dict:
+        """序列化为字典以便存档"""
+        return {
+            "weapons": [self._item_to_dict(w) for w in self.sold_weapons],
+            "auxiliaries": [self._item_to_dict(a) for a in self.sold_auxiliaries]
+        }
+    
+    def load_from_dict(self, data: dict) -> None:
+        """从字典恢复数据"""
+        from src.classes.weapon import weapons_by_id
+        from src.classes.auxiliary import auxiliaries_by_id
+        
+        self.sold_weapons = []
+        for w_data in data.get("weapons", []):
+            w_id = w_data.get("id")
+            if w_id in weapons_by_id:
+                weapon = copy.copy(weapons_by_id[w_id])
+                weapon.special_data = w_data.get("special_data", {})
+                self.sold_weapons.append(weapon)
+                
+        self.sold_auxiliaries = []
+        for a_data in data.get("auxiliaries", []):
+            a_id = a_data.get("id")
+            if a_id in auxiliaries_by_id:
+                auxiliary = copy.copy(auxiliaries_by_id[a_id])
+                auxiliary.special_data = a_data.get("special_data", {})
+                self.sold_auxiliaries.append(auxiliary)
+
+    def _item_to_dict(self, item) -> dict:
+        """将物品对象转换为简略的存储格式"""
+        return {
+            "id": item.id,
+            "special_data": getattr(item, "special_data", {})
+        }
+

src/classes/world.py

@@ -5,6 +5,7 @@ from src.classes.map import Map
 from src.classes.calendar import Year, Month, MonthStamp
 from src.classes.avatar_manager import AvatarManager
 from src.classes.event_manager import EventManager
+from src.classes.circulation import CirculationManager
 
 if TYPE_CHECKING:
     from src.classes.avatar import Avatar
@@ -22,6 +23,8 @@ class World():
     current_phenomenon: Optional["CelestialPhenomenon"] = None
     # 天地灵机开始年份（用于计算持续时间）
     phenomenon_start_year: int = 0
+    # 出世物品流通管理器
+    circulation: CirculationManager = field(default_factory=CirculationManager)
 
     def get_info(self, detailed: bool = False, avatar: Optional["Avatar"] = None) -> dict:
         """