1 files changed, 48 insertions, 3 deletions
diff --git a/src/hydrorollcore/rule.py b/src/hydrorollcore/rule.py
index a1b07cb9..127ed805 100644
--- a/src/hydrorollcore/rule.py
+++ b/src/hydrorollcore/rule.py
@@ -1,7 +1,8 @@
 from abc import ABCMeta, abstractmethod
 from enum import Enum
+from .exceptions import HydroError
 
-__all__ = ["RuleLoadType", "Rule"]
+__all__ = ["RuleLoadType", "Result", "Dice", "Rule"]
 
 
 class RuleLoadType(Enum):
@@ -13,6 +14,50 @@ class RuleLoadType(Enum):
     CLASS = "class"
 
 
+class Result(metaclass=ABCMeta):
+    """规则检定结果基类"""
+
+    event: str
+    status: bool
+    exception: HydroError | None = None
+
+    def __init__(self, event: str, status: bool, exception: HydroError | None) -> None:
+        self.event = event
+        self.status = status
+        self.exception = exception
+
+    def ok(self):
+        """规则执行期间是否产生异常"""
+        return isinstance(self.exception, HydroError)
+
+
+class Dice(metaclass=ABCMeta):
+    """掷骰基类"""
+
+    roll_string: str
+    db: str
+    outcome: int
+
+    def __repr__(self) -> str:
+        return f'<HydroDice "{self.db.upper()}">'
+
+    def __str__(self) -> str:
+        return self.db.upper()
+
+    def __int__(self) -> int:
+        return self.outcome
+
+    @abstractmethod
+    def parse(self) -> "Dice":
+        """解析传入的掷骰字符串`roll_string`，返回一个`Dice`对象"""
+        raise NotImplementedError
+
+    @abstractmethod
+    def roll(self) -> int:
+        """掷骰方法，返回掷骰结果"""
+        raise NotImplementedError
+
+
 class Rule(metaclass=ABCMeta):
     """规则基类"""
 
@@ -20,9 +65,9 @@ class Rule(metaclass=ABCMeta):
     priority: int = 0
 
     @abstractmethod
-    def __init__(self):
+    def __init__(self) -> None:
         raise NotImplementedError
 
     @abstractmethod
-    async def run(self):
+    def check(self, dice: Dice) -> Result:
         raise NotImplementedError