Source code for game.ui.info_popup

"""Information popup system."""

import pygame
import time
from ..utils.constants import *



class InfoPopup:
    """Manages information popups and messages."""
    
    def __init__(self):
        pygame.font.init()


        self.font = pygame.font.Font(None, 28)



        self.messages = []  # List of (message, end_time) tuples

    


    def show_message(self, message, duration):
        """Show a message for a specified duration."""
        end_time = time.time() + duration
        
        # Remove duplicate messages
        self.messages = [(msg, end) for msg, end in self.messages if msg != message]
        
        # Add new message
        self.messages.append((message, end_time))
        
        # Keep only the 3 most recent messages
        if len(self.messages) > 3:
            self.messages = self.messages[-3:]

    


    def clear_messages(self):
        """Clear all messages."""
        self.messages = []

    


    def update(self, dt):
        """Update popup system."""
        current_time = time.time()
        self.messages = [(msg, end) for msg, end in self.messages if end > current_time]

    


    def render(self, screen):
        """Render active popups."""
        current_time = time.time()
        
        for i, (message, end_time) in enumerate(self.messages):
            if end_time > current_time:
                # Calculate fade effect
                remaining_time = end_time - current_time
                alpha = min(255, int(remaining_time * 255))
                
                # Render message background
                text_surface = self.font.render(message, True, (255, 255, 255))
                text_rect = text_surface.get_rect()
                
                # Position messages vertically
                y_offset = 150 + i * 40
                text_rect.center = (SCREEN_WIDTH // 2, y_offset)
                
                # Background rectangle
                bg_rect = text_rect.inflate(20, 10)
                bg_surface = pygame.Surface((bg_rect.width, bg_rect.height))
                bg_surface.set_alpha(alpha // 2)
                bg_surface.fill((0, 0, 0))
                
                # Render background and text
                screen.blit(bg_surface, bg_rect.topleft)
                
                # Apply alpha to text
                text_surface.set_alpha(alpha)
                screen.blit(text_surface, text_rect)