2

game_stats.py

@@ -0,0 +1,25 @@
+import json
+
+class GameStats():
+    """跟踪游戏的统计信息"""
+
+    def __init__(self, ai_settings):
+        """初始化统计信息"""
+        self.ai_settings = ai_settings
+        self.game_active = False
+
+        self.reset_stats()
+
+
+    def reset_stats(self):
+        """初始化在游戏运行期间可能变化的信息"""
+        self.ships_left = self.ai_settings.ship_limit
+        self.score = 0
+        self.level = 1
+        self.power = 0
+
+        # 提取历史得分信息
+        scorefilename = 'scores.json'
+        with open(scorefilename) as f:
+            self.scores_data = json.load(f)
+        self.high_score = int(self.scores_data[0]['score'])