pocket-friends/pocket_friends/game_files/game.py

import pygame
import os
from pathlib import Path
import pocket_friends

import importlib

from pocket_friends.game_files.io import gpio_handler

valid_surfaces = [
    'title',
    'egg_select',
    'selection_info',
    'error_screen'
]
surface_modules = {}

for module in valid_surfaces:
    surface_modules[module] = importlib.import_module('pocket_friends.game_files.surfaces.{0}'.format(module))

# FPS for the entire game to run at.
game_fps = 16
# The resolution the game is rendered at.
game_res = 80
script_dir = os.path.dirname(os.path.abspath(__file__))
save_dir = os.path.join(Path.home(), '.pocket_friends')
resources_dir = script_dir + '/resources'
starting_surface = 'title'

# Makes Pygame draw on the display of the RPi.
os.environ["SDL_FBDEV"] = "/dev/fb1"


def game(windowed=False):
    """
    Starts the game.
    """

    pygame.init()

    # Hide the cursor for the Pi display.
    pygame.mouse.set_visible(False)

    # The game is normally rendered at 80 pixels and upscaled from there. If changing displays, change the
    # screen_size to reflect what the resolution of the new display is.
    screen_size = 240

    window = pygame.display.set_mode((screen_size, screen_size))
    surface = pygame.Surface((game_res, game_res))

    # Only really useful for PCs. Does nothing on the Raspberry Pi.
    pygame.display.set_caption('Pocket Friends {0}'.format(pocket_friends.__version__))

    # Add an icon to the pygame window.
    icon = pygame.image.load(resources_dir + '/icon/icon.png').convert_alpha()
    pygame.display.set_icon(icon)

    clock = pygame.time.Clock()

    running = True

    #surface = surface_modules.get(starting_surface).Surface((game_res, game_res), resources_dir, game_fps)
    surface.fill((255, 0, 0))

    # Default game state when the game first starts.
    running = True

    while running:
        #surface.update()
        surface.fill((255, 0, 0))
        frame = pygame.transform.scale(surface, (screen_size, screen_size))
        window.blit(frame, frame.get_rect())

        #if not surface.running:
        #    next_surface = surface.next_surface
        #    additional_args = surface.additional_args
        #    if next_surface not in valid_surfaces:
        #        next_surface = 'error_screen'
        #    surface = surface_modules.get(next_surface).Surface((game_res, game_res), resources_dir,
        #                                                        game_fps, **additional_args)
        pygame.display.flip()


def main(windowed=False):
    """
    Calls the game() function to start the game.
    """
    game(windowed)

    pygame.quit()