137 lines
4.1 KiB
Python
137 lines
4.1 KiB
Python
import json
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import pygame
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from src.settings import HIGHSCORE_COLOR_FONT, HIGHSCORE_COLOR_TABLE
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class Highscore:
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def __init__(self):
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# fix path to json file with highscores
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self.path = "src/highscore.json"
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self.font_title = pygame.font.SysFont("Arial", 28, bold=True)
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self.font_score = pygame.font.SysFont("Arial", 18, bold=True)
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# check if file already exists, otherwise create it
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try:
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with open(self.path, "r") as f:
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pass
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except FileNotFoundError:
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self.save_scores([])
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def load_scores(self):
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"""
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Will load the highscore json file.
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:return: All scores form json file.
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"""
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with open(self.path, "r") as f:
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return json.load(f)
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def save_scores(self, scores):
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"""
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Write score data into json file. File will be overwritten.
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:param scores: Scores to store in json highscore file.
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:return: None.
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"""
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# save scores to file
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with open(self.path, "w") as file:
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json.dump(scores, file, indent=4)
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def add_score(self, player_name, score_ects, time_survived, won):
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"""
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Add a new score to the list of existing scores from highscore file. The
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number of entries is limited to 50.
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:param player_name: Name of the player.
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:param score_ects: Scored ECTS in game.
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:param time_survived: Time survived in game.
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:param won: Game won/lose.
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:return: None.
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"""
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# load existing scores from file
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scores = self.load_scores()
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# assign values from new score and append to existing scores
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new_score = {
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"name": player_name,
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"ects": score_ects,
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"time": time_survived,
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"won": won
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}
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scores.append(new_score)
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# sort by ects descending
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scores.sort(key=lambda score: score["ects"], reverse=True)
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# keep only top 50 elements
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scores = scores[:50]
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self.save_scores(scores)
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def get_top_scores(self):
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"""
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Get top 5 scores from highscore file.
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:return: Return top 5 scores as list.
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"""
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scores = self.load_scores()
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scores.sort(key=lambda score: score["ects"], reverse=True)
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return scores[:5]
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def get_top_scores_formatted(self):
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"""
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Get top 5 scores from highscore file in nice format.
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:return: Return top 5 scores as formatted string in list.
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"""
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top_scores = self.get_top_scores()
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formatted_scores = []
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for index, score in enumerate(top_scores):
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result = "PASSED" if score["won"] else "FAILED"
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line = (
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f"{index + 1}. {score['name']} | "
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f"ECTS: {score['ects']} | "
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f"Time: {score['time']} | "
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f"Result: {result}"
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)
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formatted_scores.append(line)
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return formatted_scores
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def draw(self, screen, x, y):
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# draw box background
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box_rect = pygame.Rect(x, y, 500, 300)
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pygame.draw.rect(screen, HIGHSCORE_COLOR_TABLE, box_rect, border_radius=12)
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pygame.draw.rect(screen, HIGHSCORE_COLOR_TABLE, box_rect, border_radius=12)
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# title
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title = self.font_title.render(
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"ECTS Leaderboard",
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True,
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HIGHSCORE_COLOR_FONT
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)
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screen.blit(title, (x + 20, y + 20))
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# Get highscore lines
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highscore_lines = self.get_top_scores_formatted()
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if len(highscore_lines) == 0:
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no_scores_text = self.font_score.render(
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"No students ranked yet.",
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True,
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HIGHSCORE_COLOR_FONT
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)
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screen.blit(no_scores_text, (x + 20, y + 70))
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return
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# Draw scores
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score_y = y + 70
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for line in highscore_lines:
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score_text = self.font_score.render(
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line,
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True,
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HIGHSCORE_COLOR_FONT
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)
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screen.blit(score_text, (x + 20, score_y))
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score_y += 35
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