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10 changed files with 317 additions and 123 deletions

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@ -0,0 +1,50 @@
"""
Module to test the GPIO input on the Raspberry Pi.
"""
from collections import deque
from pocket_friends.game_files.io.gpio_handler import Constants, GPIOHandler
def button_test():
"""
GPIO button test. Checks for a GPIO input and prints it out, simple as that.
"""
running = True
# Exit code used to quit the button test.
exit_code = deque()
for button in ['j_d', 'j_d', 'j_u', 'j_u', 'j_d', 'j_d', 'j_u', 'j_u', 'a', 'a', 'b']:
exit_code.append(button)
# Input log to check for quitting out of the button test.
input_log = deque()
GPIOHandler.setup()
def log(pressed_button):
"""
Logs the pressed button into the input log.
:param pressed_button:
"""
input_log.append(pressed_button)
if len(input_log) > len(exit_code): # Don't let the input log exceed the length of the exit code.
input_log.popleft()
def check_exit():
"""
Check if the input log and the exit code are the same. If they are, quit the button test.
"""
nonlocal running
if exit_code == input_log:
running = False
while running:
for button in Constants.buttons:
code = Constants.buttons.get(button)
if GPIOHandler.get_press(code): # If a button is pressed, print it out and do a quit check.
print('event: {0}'.format(button))
log(button)
check_exit()
GPIOHandler.teardown()

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@ -1,19 +0,0 @@
import os
import sys
import pygame
def reboot_system():
os.system('sudo reboot')
def shutdown_system():
os.system('sudo shutdown now')
def update():
os.system('bash ~/update.sh')
sys.exit(1)
def restart_app():
sys.exit(1)

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@ -1,53 +1,152 @@
"""
Development menu for the hardware on Raspberry Pi. NOTE: THIS DOES NOTHING ON A COMPUTER!
"""
import pocket_friends.game_files.game
import importlib.util
import os
import pygame
from pocket_friends.elements import surface
from pocket_friends.development.sprites import FunctionSelector
import pocket_friends.development.dev as dev
import time
from .button_test import button_test
from .menus import Menu
from pocket_friends.game_files.io.gpio_handler import GPIOHandler, Constants
dev_functions = {
'Restart': 'reboot_system',
'Shutdown': 'shutdown_system',
'Update': 'update',
'Re-open App': 'restart_app'
}
try:
importlib.util.find_spec('RPi.GPIO')
import RPi.GPIO as GPIO
except ImportError:
import pocket_friends.game_files.io.fake_gpio as GPIO
# Global variable to keep track of the current menu.
menu = 'main'
class Surface(surface.GameSurface):
def __init__(self, game_res, resources_dir, game_fps, **kwargs):
super().__init__(game_res, resources_dir, game_fps)
self.frames = 1
self.game_fps = game_fps
self.delay = 1
self.font = pygame.font.Font(resources_dir + '/fonts/5Pts5.ttf', 10)
self.bg = pygame.image.load(self.resource_dir + '/images/dev_menu/dev_bg.png').convert_alpha()
def run_button_test():
"""
Runs the GPIO button test.
"""
GPIOHandler.teardown()
button_test()
GPIOHandler.setup()
functions = []
for key in dev_functions.keys():
functions.append(key)
self.function_selector = FunctionSelector(resources_dir, game_res, functions)
def clear_screen():
"""
Clears the screen.
"""
print("\n" * 20)
def execute(self):
executing_function = getattr(dev, dev_functions.get(self.function_selector.get_function()))
executing_function()
def start_game():
"""
Cleans the GPIO and starts the hardware.
"""
GPIOHandler.teardown()
pocket_friends.game_files.game.main()
pygame.quit()
GPIOHandler.setup()
def update(self):
self.preprocess()
text = self.font.render('f: {0}'.format(self.frames), False, (128, 128, 128))
self.blit(text, (3, 68))
self.function_selector.draw(self)
def quit_menu():
"""
Quits the menu.
"""
exit(0)
self.frames += 1
self.frames %= self.game_fps
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
self.function_selector.scroll_up()
if event.key == pygame.K_DOWN:
self.function_selector.scroll_down()
if event.key == pygame.K_a:
self.execute()
if event.key == pygame.K_b:
self.running = False
def quit_with_error():
"""
Quits the menu with error code 3.
"""
exit(3)
def change_menu(new_menu):
"""
Changes the global menu variable for the dev menu
:param new_menu: the menu to change to
"""
global menu
menu = new_menu
clear_screen()
print('...')
time.sleep(0.75)
def shutdown():
"""
Shuts down the linux system.
"""
os.system('sudo shutdown now')
def restart():
"""
Restarts the linux system.
"""
os.system('sudo reboot')
def main():
"""
Starts the dev menu.
"""
# The following defines all of the options in the various different menus.
main_menu = Menu('Pocket Friends Dev Menu')
main_menu.add_option(Menu.Option('Start Game', start_game))
main_menu.add_option(Menu.Option('Button Test', run_button_test))
main_menu.add_option(Menu.Option('Restart Dev Menu', quit_with_error))
main_menu.add_option(Menu.Option('Shutdown Pi', change_menu, 'shutdown'))
main_menu.add_option(Menu.Option('Restart Pi', change_menu, 'restart'))
main_menu.add_option(Menu.Option('Quit Dev Menu', change_menu, 'quit'))
shutdown_confirm = Menu('Are you sure you want to shutdown?')
shutdown_confirm.add_option(Menu.Option('No', change_menu, 'main'))
shutdown_confirm.add_option(Menu.Option('Yes', shutdown))
restart_confirm = Menu('Are you sure you want to restart?')
restart_confirm.add_option(Menu.Option('No', change_menu, 'main'))
restart_confirm.add_option(Menu.Option('Yes', restart))
quit_confirm = Menu('Are you sure you want to exit?')
quit_confirm.add_option(Menu.Option('No', change_menu, 'main'))
quit_confirm.add_option(Menu.Option('Yes', quit_menu))
GPIOHandler.setup()
def menu_handler(current_menu):
"""
Draws the menu and handles the GPIO inputs
:param current_menu: the current menu being drawn on the screen
"""
current_menu.draw_menu()
while True: # Main GPIO input loop
# Limits how often the program checks for a GPIO input. Eases CPU usage.
time.sleep(0.125)
if GPIOHandler.get_press(Constants.buttons.get('j_d')):
current_menu.select_next()
break
if GPIOHandler.get_press(Constants.buttons.get('j_u')):
current_menu.select_prev()
break
if GPIOHandler.get_press(Constants.buttons.get('a')):
current_menu.run_selection()
break
while True: # Loop for drawing the menus.
while menu == 'main':
menu_handler(main_menu)
while menu == 'shutdown':
menu_handler(shutdown_confirm)
while menu == 'restart':
menu_handler(restart_confirm)
while menu == 'quit':
menu_handler(quit_confirm)

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@ -0,0 +1,120 @@
"""
Menu class to help with drawing menus on screen
"""
class Menu:
"""
Menu class. Creates a menu with text to display and options
"""
def __init__(self, menu_text=''):
self._menu_text = menu_text
self._options = []
self._selection = 0
def add_option(self, option):
"""
Adds an option to the menu. Only allows instances of Menu.Option
:param option:
"""
if not isinstance(option, Menu.Option):
raise TypeError('option must be an instance of Menu.Option')
else:
self._options.append(option)
def get_option(self, index):
"""
Gets an option object given the index of the option. Raises IndexError if given
index is out of bounds.
:param index: the index of the option
:return: the option object
"""
try:
return self._options[index]
except IndexError as ex:
raise IndexError('option index out of range') from ex
def select_next(self):
"""
Selects the next option in the list. Wraps around to the first option if
the last option is currently selected.
"""
self._selection += 1
if self._selection >= len(self._options):
self._selection = 0
def select_prev(self):
"""
Selects the previous option in the list. Wraps around to the last option if
the first option is currently selected.
"""
self._selection -= 1
if self._selection < 0:
if len(self._options) > 0:
self._selection = len(self._options) - 1
else:
self._selection = 0
def run_selection(self, *args, **kwargs):
"""
Runs the function that the currently selected option object points to.
:param args: arguments to be passed to the function
:param kwargs: keyword arguments to be passed to the function
"""
try:
return self._options[self._selection].preprocess(*args, **kwargs)
except IndexError as ex:
raise Exception('menu has no options, cannot run a non-existent option') from ex
def draw_menu(self):
"""
Draws the menu on screen with a leading 20 blank lines.
"""
print('\n' * 20)
print(self._menu_text + '\n')
for option in self._options:
selection_char = '>'
if self._options.index(option) != self._selection:
selection_char = ' '
print('{0} {1}'.format(selection_char, option.get_text()))
class Option:
"""
Class that defines options for the Menu class.
"""
def __init__(self, option_text='', function=None, *args, **kwargs):
self._option_text = option_text
self._function = function
self._default_args = args
self._default_kwargs = kwargs
def get_text(self):
"""
Returns the text to be displayed by the option
:return: the option text
"""
return self._option_text
def run(self, *args, **kwargs):
"""
Runs the function that the option object points to. Returns None if
there is no function or the given function is not valid.
:param args: arguments to be passed to the function
:param kwargs: keyword arguments to be passed to the function
:return: the return value of the function (if any)
"""
if len(args) == 0:
args = self._default_args
if len(kwargs) == 0:
kwargs = self._default_kwargs
try:
return self._function(*args, **kwargs)
except TypeError:
return None

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@ -1,34 +0,0 @@
import pygame
class FunctionSelector:
def __init__(self, resources_dir, game_res, functions):
self.font = pygame.font.Font(resources_dir + '/fonts/5Pts5.ttf', 10)
self.functions = functions
self.max_lines = 6 # Max number of lines to be shown on screen at a time.
self.offset = 0
self.game_res = game_res
self.selected = 0
self.max_index = len(self.functions) - 1
self.selector = pygame.image.load(resources_dir + '/images/dev_menu/selector.png').convert_alpha()
def draw(self, surface):
for i in range(self.max_index + 1):
text = self.font.render(self.functions[i], False, (0, 0, 0))
surface.blit(text, (8, (-3 + (i * 6))))
surface.blit(self.selector, (0, (self.selected * 6)))
def scroll_down(self):
self.selected += 1
if self.selected > self.max_index:
self.selected = self.max_index
def scroll_up(self):
self.selected -= 1
if self.selected < 0:
self.selected = 0
def get_function(self):
return self.functions[self.selected]

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@ -12,7 +12,6 @@ class GameSurface(pygame.Surface):
resource_dir (:obj:`str`): The path of the game's main resource directory.
game_fps (int): How many frames per second the game will run at.
additional_args (dict): Additional arguments to send to the next surface after halting.
bg (:obj:`pygame.Surface`): The background of the surface.
"""
def __init__(self, game_res, resources_dir, game_fps):
"""
@ -30,9 +29,8 @@ class GameSurface(pygame.Surface):
self.game_fps = game_fps
self._input_handler = InputHandler(self._clock)
self.additional_args = {}
self.dev_override = False
self.bg = pygame.image.load(self.resource_dir + '/images/bg.png').convert_alpha()
self._bg = pygame.image.load(self.resource_dir + '/images/bg.png').convert_alpha()
self.sprites = pygame.sprite.Group()
def preprocess(self):
@ -41,12 +39,8 @@ class GameSurface(pygame.Surface):
"""
self._clock.tick(self.game_fps)
self.blit(self.bg, (0, 0))
self.blit(self._bg, (0, 0))
self.sprites.update()
self.sprites.draw(self)
self._input_handler.update()
if self._input_handler.dev_found:
self.next_surface = 'dev_menu'
self.dev_override = True
self.running = False

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@ -3,8 +3,8 @@ import os
import pocket_friends
import importlib
valid_surfaces = [
'dev_menu',
'title',
'egg_select',
'selection_info',
@ -12,10 +12,9 @@ valid_surfaces = [
]
# Add all the surface modules to a dictionary for easy switching
surface_modules = {'dev_menu': importlib.import_module('pocket_friends.development.{0}'.format('dev_menu'))}
surface_modules = {}
for module in valid_surfaces:
if module != 'dev_menu':
surface_modules[module] = importlib.import_module('pocket_friends.surfaces.{0}'.format(module))
surface_modules[module] = importlib.import_module('pocket_friends.surfaces.{0}'.format(module))
starting_surface = 'title'
# FPS for the game to run at.
@ -64,13 +63,9 @@ def start_game(resolution=240):
window.blit(frame, frame.get_rect())
if not surface.running:
if surface.dev_override:
next_surface = 'dev_menu'
else:
next_surface = surface.next_surface
next_surface = surface.next_surface
additional_args = surface.additional_args
if next_surface not in valid_surfaces:
print(next)
next_surface = 'error_screen'
surface = surface_modules.get(next_surface).Surface((game_res, game_res), resources_dir,
game_fps, **additional_args)

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@ -1,5 +1,5 @@
import pygame
from collections import deque
class InputHandler:
"""
@ -24,12 +24,6 @@ class InputHandler:
self.clock = pygame_clock
self.tick_check = tick_check
self.last_input_tick = 0
self.dev_check = deque()
self.dev_code = deque()
for button in [pygame.K_DOWN, pygame.K_DOWN, pygame.K_UP, pygame.K_UP, pygame.K_DOWN, pygame.K_LEFT,
pygame.K_RIGHT, pygame.K_LEFT, pygame.K_a]:
self.dev_code.append(button)
self.dev_found = False
def create_event(self, pressed_button):
"""
@ -43,9 +37,6 @@ class InputHandler:
if pygame.time.get_ticks() - self.last_input_tick > self.clock.get_time() * 2:
pygame.event.post(pygame.event.Event(pygame.KEYDOWN, {'key': pressed_button}))
pygame.event.post(pygame.event.Event(pygame.KEYUP, {'key': pressed_button}))
self.dev_check.append(pressed_button)
if len(self.dev_check) > len(self.dev_code):
self.dev_check.popleft()
else:
pygame.event.post(pygame.event.Event(pygame.KEYDOWN, {'key': pressed_button}))
pygame.event.post(pygame.event.Event(pygame.KEYUP, {'key': pressed_button}))
@ -79,5 +70,3 @@ class InputHandler:
def update(self):
"""Run either the GPIO handler or the keyboard handler to check for input and create events."""
self.handle_keyboard()
if self.dev_code == self.dev_check:
self.dev_found = True

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