游戏可以运行

card_game/battlefield.py

@@ -79,12 +79,17 @@ class Battlefield:
 
     def resolve_attack(self, attacker, defender):
         dead = []
+        owner = self._get_unit_owner(attacker)
+        if owner:
+            attack_cost = owner.get_attack_cost(attacker)
+            if owner.provisions < attack_cost:
+                return dead
+            owner.provisions -= attack_cost
         atk = attacker.get_effective_attack()
 
         if "siege" in attacker.abilities and defender == "capital":
             atk *= 2
 
-        owner = self._get_unit_owner(attacker)
         if (owner and owner.faction_id == "han"
                 and attacker.unit_type == "archer" and defender == "capital"):
             atk += 1