scoreboard.py

import pygame.font
from pygame.sprite import Group 
from ship import Ship

class Scoreboard: 
    """ Class to report scoring details. """ 
    
    def __init__(self, ai_game):
        """ Initialize scrokeeping attributes. """ 
        self.ai_game = ai_game
        self.screen = ai_game.screen
        self.screen_rect = self.screen.get_rect()
        self.settings = ai_game.settings
        self.stats = ai_game.stats

        #font settings for scoring details. 
        self.text_color = (30,30,30)
        self.font = pygame.font.SysFont(None,48)

        #prepare the initial score image. 
        self.prep_score()
        self.prep_high_score()
        self.prep_level()
        self.prep_ships()


    def prep_score(self):
        """ Turn the score into a rendered image. """ 
        rounded_score = round(self.stats.score, -1)
        score_str = "{:,}".format(rounded_score)
        self.score_image = self.font.render(score_str, True, self.text_color, self.settings.bg_color)

        #Display the score at the top right of the screen. 
        self.score_rect = self.score_image.get_rect()
        self.score_rect.right = self.screen_rect.right - 20
        self.score_rect.top = 20


    def show_score(self): 
        """ Draw score, level and ships to the screen. """ 
        self.screen.blit(self.score_image, self.score_rect)
        #self.screen.blit(self.high_score_image, self.high_score_rect)
        self.screen.blit(self.level_image, self.level_rect)
        self.ships.draw(self.screen)


    def prep_high_score(self):
        """ Turn the high score into a rendered images. """ 
        high_score = round(self.stats.high_score, -1) 
        high_score_str = "{:,}".format(high_score)
        self.high_score_image = self.font.render(high_score_str, True, self.text_color, self.settings.bg_color)

        #center the high score at top of screen.. 
        self.high_score_rect =  self.high_score_image.get_rect()
        self.high_score_rect.centerx = self.screen_rect.centerx
        self.high_score_rect.top = self.screen_rect.top 

    def check_high_score(self):
        """ Check to see if there's a new high score. """ 
        if self.stats.score > self.stats.high_score: 
            self.stats.high_score = self.stats.score 
            self.prep_high_score()

    def prep_level(self): 
        """Turn the level into a rendered image. """ 
        level_str = str(self.stats.level)
        self.level_image = self.font.render(level_str, True, self.text_color, self.settings.bg_color)

        #positions the level below the score. 
        self.level_rect = self.level_image.get_rect()
        self.level_rect.right = self.score_rect.right
        self.level_rect.top = self.score_rect.bottom + 10


    def prep_ships(self):
        """Show how any ships are left. """ 
        self.ships = Group()
        for ship_number in range(self.stats.ships_left):
            ship = Ship(self.ai_game)
            ship.rect.x = 10 + ship_number * ship.rect.width
            ship.rect.y = 10 
            self.ships.add(ship)