src/core/game_state.py - master - ap1k/PyGame_Practice

src/core/game_state.py
91 строка3 KB
Roman
The all game
27 май 2025, 15:26
27 май 2025, 15:264ea7de9
"""
GameState class - manages the state of the game
Implements the Singleton pattern to ensure only one state instance exists
"""
import json
import os

class GameState:
    """
    Game state manager implementing Singleton pattern
    Responsible for tracking game statistics and state
    """
    _instance = None
    
    def __new__(cls):
        if cls._instance is None:
            cls._instance = super(GameState, cls).__new__(cls)
            cls._instance._initialized = False
        return cls._instance
    
    def __init__(self):
        if self._initialized:
            return
            
        # Game statistics
        self.score = 0
        self.enemies_destroyed = 0
        self.time_played = 0
        self.current_weapon = 0  # Index of the current weapon
        
        # Game state flags
        self.game_over = False
        self.paused = False
        
        # Leaderboard
        self.leaderboard = []
        self.load_leaderboard()
        
        self._initialized = True
    
    def reset(self):
        """Reset the game state for a new game"""
        self.score = 0
        self.enemies_destroyed = 0
        self.time_played = 0
        self.current_weapon = 0
        self.game_over = False
        self.paused = False
    
    def load_leaderboard(self):
        """Load the leaderboard from a JSON file"""
        leaderboard_path = "leaderboard.json"
        if os.path.exists(leaderboard_path):
            try:
                with open(leaderboard_path, 'r') as f:
                    self.leaderboard = json.load(f)
            except (json.JSONDecodeError, IOError):
                # If there's an error loading the file, start with an empty leaderboard
                self.leaderboard = []
        else:
            # If the file doesn't exist, start with an empty leaderboard
            self.leaderboard = []
    
    def save_leaderboard(self):
        """Save the leaderboard to a JSON file"""
        leaderboard_path = "leaderboard.json"
        try:
            with open(leaderboard_path, 'w') as f:
                json.dump(self.leaderboard, f)
        except IOError:
            print("Error saving leaderboard")
    
    def add_to_leaderboard(self, player_name):
        """Add the current score to the leaderboard"""
        entry = {
            "name": player_name,
            "score": self.score,
            "enemies": self.enemies_destroyed,
            "time": self.time_played
        }
        
        # Add the entry and sort the leaderboard by score (descending)
        self.leaderboard.append(entry)
        self.leaderboard.sort(key=lambda x: x["score"], reverse=True)
        
        # Keep only the top 10 scores
        if len(self.leaderboard) > 10:
            self.leaderboard = self.leaderboard[:10]
        
        # Save the updated leaderboard
        self.save_leaderboard()