level.py

import pygame
import json
import button

class Level(pygame.sprite.Sprite):
    def __init__(self, screen_width, screen_height, username):
        self.screen_width = screen_width
        self.screen_height = screen_height
        self.levels = ['1', '2', '3','4','5']
        self.level_selected = 0
        self.username = username
        self.scores = self.load_scores()

    def level_select(self, screen, menu_state):
        font = pygame.font.Font('fonts/SVN-Determination Sans.otf', 50)
        background_img = pygame.image.load('images/background2.png').convert()
        background_img = pygame.transform.scale(background_img, (self.screen_width, self.screen_height))
        thoat_img = pygame.image.load('images/btn_thoat.png').convert_alpha()
        thoat_button = button.Button(375, 500, thoat_img, 0.3)

        levelrun = True

        while levelrun:
            screen.blit(background_img, (0, 0))
            title = font.render("Chọn màn chơi", True, (255, 255, 255))
            screen.blit(title, (self.screen_width // 2 - title.get_width() // 2, 50))

            for i, level in enumerate(self.levels):
                score = self.scores.get(str(i), 0)
                level_text = font.render(f"Màn {level} - Điểm {score}", True, (255, 255, 255))
                level_rect = level_text.get_rect(center=(self.screen_width // 2, 150 + i * 60))
                screen.blit(level_text, level_rect)

                if i == self.level_selected:
                    pygame.draw.rect(screen, (176, 252, 248), level_rect.inflate(10, 10), 3)

            for event in pygame.event.get():
                if event.type == pygame.QUIT:
                    pygame.quit()
                if event.type == pygame.KEYDOWN:
                    if event.key == pygame.K_UP:
                        self.level_selected = (self.level_selected - 1) % len(self.levels)
                    if event.key == pygame.K_DOWN:
                        self.level_selected = (self.level_selected + 1) % len(self.levels)
                    if event.key == pygame.K_RETURN:
                        menu_state[0] = "start"
                        levelrun = False

            if thoat_button.draw(screen):
                menu_state[0] = "choose"
                levelrun = False

            pygame.display.update()

        return self.level_selected

    def load_scores(self):
        try:
            with open('user_data.json', 'r') as f:
                data = json.load(f)
                if self.username in data:
                    user_data = data[self.username]
                    return user_data.get('levels', {})
                else:
                    return {str(i): 0 for i in range(5)}
        except FileNotFoundError:
            return {str(i): 0 for i in range(5)}