class Menu(State):
## initialize both the main and settings menu
#
# @param self the object pointer
# @param game_opts the game's command line options
def __init__(self, game_opts):
# initialize the state
State.__init__(self, 'menu')
## the game's command line options
self.game_opts = game_opts
## the screen surface
self.screen = pygame.display.get_surface()
## flag to control the settings menu's loop
self.menu_settings_running = None
## flag to control the main menu's loop
self.menu_main_running = True
# enable key repeat for the menu
pygame.key.set_repeat(MENU_KEY_DEL, MENU_KEY_INT)
## set the main menu's background
self.menu_main_bg = graphics.load_image(
constants.FILES['graphics']['menu']['main']['bg'][0])[0]
## set the settings menu's background
self.menu_settings_bg = graphics.load_image(
constants.FILES['graphics']['menu']['share']['bg'][0])[0]
## set the settings menu's background box
self.menu_box_bg = graphics.load_image(
constants.FILES['graphics']['menu']['settings']['box'][0])[0]
## set the window frame
self.window_frame = graphics.load_image(
constants.FILES['graphics']['menu']['share']['frame'][0])[0]
## set the mouse cursor
self.mouse_cursor = graphics.load_image(
constants.FILES['graphics']['menu']['share']['cursor'][0])[0]
## set the sound when a menu option is entered
self.select_option_snd = sound_mixer.load_sound(
constants.FILES['sounds']['menu']['share']['sel'][0])
## create the main menu - string, callback function
self.menu_main = KezMenu(self.game_opts,
['Play' , self._play_option],
['Settings' , self._settings_option],
['Credits' , self._credits_option],
['Quit' , self._quit_option])
# set the position of the main menu
self.menu_main.set_position(MENU_MAIN_POS_X, MENU_MAIN_POS_Y)
# set the main menu's font
self.menu_main.set_font(graphics.load_font(
constants.FILES['fonts']['menu']['share'][0], 30))
# set the main menu's highlight color
self.menu_main.set_highlight_color(pygame.Color('brown'))
## create the settings menu - string, callback function
self.menu_settings = KezMenu(self.game_opts,
['Fullscreen' , self._toggle_fullscreen_option],
['Sounds' , self._toggle_sounds_option],
['Music' , self._toggle_music_option],
['Back' , self._back_option])
# disable the menu graphic for focused options
self.menu_settings.toggle_image()
# set the settings menu's font
self.menu_settings.set_font(graphics.load_font(
constants.FILES['fonts']['menu']['share'][0], 25))
# set the position of the settings menu
self.menu_settings.center_at(constants.SCREEN_WIDTH / 2.0,
constants.SCREEN_HEIGHT / 2.0)
# set the settings menu's highlight color
self.menu_settings.set_highlight_color(pygame.Color('orange'))
## the animated sprite group
self.anim_sprites = pygame.sprite.RenderUpdates()
# vertical sprite sample
self.anim_sprites.add(VertAnimSprite(
constants.FILES['graphics']['menu']['share']['anim'][0],
[0, 0], ANIM_SPRITE_SPEED))
# horizontal sprite sample
self.anim_sprites.add(HorAnimSprite(
constants.FILES['graphics']['menu']['share']['anim'][1],
[0, 0], ANIM_SPRITE_SPEED))
## create clock and track time
self.clock = pygame.time.Clock()
## what to do when the main menu is enabled
#
# @param self the object pointer
def do_actions(self):
# display & update screen, get all the events
while self.menu_main_running:
# draw the background
self.screen.blit(self.menu_main_bg, (0, 0))
# count time passed in seconds
time_passed_seconds = get_time_sec(self.clock.tick(50))
# animate the sprites
self.anim_sprites.update(time_passed_seconds)
rectlist = self.anim_sprites.draw(self.screen)
# draw the main menu
self.menu_main.draw(self.screen)
# draw the custom mouse cursor
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
# draw the frame of the window
self.screen.blit(self.window_frame, (0, 0))
# display the screen surface
pygame.display.update()
# clear the sprites
self.anim_sprites.clear(self.screen, self.menu_main_bg)
# get all the events
events = pygame.event.get()
# ......... and update the main menu
# which needs access to those events
self.menu_main.update(events)
# main menu event loop
for e in events:
# quit when the close button is pressed
if e.type == pygame.QUIT:
self._quit_option()
# handle keyboard keys
elif e.type == pygame.KEYDOWN:
# play the sound if there was a menu key shortcut
if self.game_opts.sound:
if e.key in (pygame.K_p, pygame.K_s, pygame.K_c):
sound_mixer.play_sound(
self.select_option_snd, 0.2)
# when user presses escape or 'q'uit key
if e.key in (pygame.K_ESCAPE, pygame.K_q):
self._quit_option()
# when user presses 'p'lay key
elif e.key == pygame.K_p:
self._play_option()
# when user presses 's'ettings key
elif e.key == pygame.K_s:
self._settings_option()
# when user presses 'c'redits key
elif e.key == pygame.K_c:
self._credits_option()
## entry point for main menu's settings option
#
# @param self the object pointer
def _settings_option(self):
# each time we enter in settings
# sub menu, set the flag to true
self.menu_settings_running = True
# decrease the alpha of animated sprites
for s in self.anim_sprites:
s.image.set_alpha(ANIM_SPRITE_ALPHA)
# display & update screen, get all the events
while self.menu_settings_running:
# draw the background
self.screen.blit(self.menu_settings_bg, (0, 0))
# draw the main menu
self.menu_main.draw(self.screen)
# count time passed in seconds
time_passed_seconds = get_time_sec(self.clock.tick(50))
# animate the sprites
self.anim_sprites.update(time_passed_seconds)
rectlist = self.anim_sprites.draw(self.screen)
# draw settings menu background box
self.screen.blit(self.menu_box_bg, (
(constants.SCREEN_WIDTH - self.menu_box_bg.get_width()) / 2.0,
(constants.SCREEN_HEIGHT - self.menu_box_bg.get_height()) / 2.0))
# draw the settings menu
self.menu_settings.draw(self.screen)
# draw the custom mouse cursor
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
# draw the frame of the window
self.screen.blit(self.window_frame, (0, 0))
# display the screen surface
pygame.display.update()
# clear the sprites
self.anim_sprites.clear(self.screen, self.menu_main_bg)
# get all the events
events = pygame.event.get()
# ..... and update the settings menu
# which needs access to those events
self.menu_settings.update(events)
# settings menu event loop
for e in events:
# quit when the close button is pressed
if e.type == pygame.QUIT:
self._back_option()
self._quit_option()
# handle keyboard keys
elif e.type == pygame.KEYDOWN:
# play the sound if there was a menu key shortcut
if self.game_opts.sound:
if e.key in (pygame.K_f, pygame.K_s, pygame.K_m,
pygame.K_b, pygame.K_ESCAPE):
sound_mixer.play_sound(
self.select_option_snd, 0.2)
# when user presses escape key or 'b'ack key
if e.key in (pygame.K_ESCAPE, pygame.K_b):
self._back_option()
# when user presses 'f'ullscreen key
elif e.key == pygame.K_f:
self._toggle_fullscreen_option()
# when user presses 's'ounds key
elif e.key == pygame.K_s:
self._toggle_sounds_option()
# when user presses 'm'usic key
elif e.key == pygame.K_m:
self._toggle_music_option()
# restore the alpha of the animated sprites
for s in self.anim_sprites:
s.image.set_alpha(255)
## entry point for main menu's new game option
#
# @param self the object pointer
def _play_option(self):
if self.game_opts.verbose:
print 'Start a new game.'
## entry point for main menu's credits option
#
# @param self the object pointer
def _credits_option(self):
# get the path of the filename
fullname = file_path(
constants.FILES['texts']['menu']['credits']['text'][0],
constants.TEXTS_DIR)
# if credits text file exists and is readable
if os.access(fullname, os.F_OK) and os.access(fullname, os.R_OK):
if self.game_opts.verbose:
print 'Go to the credits screen.'
# create the credits screen
c = Credits(self.screen,
self.game_opts,
self.window_frame,
self.menu_settings_bg,
self.select_option_snd,
fullname)
# run the credits screen
if not c.run():
# quit if the close button is
# pressed (inside the credits)
self._quit_option()
else:
print ''.join(["Couldn't text file: ", fullname])
## entry point for main menu's quit option
#
# @param self the object pointer
def _quit_option(self):
if self.game_opts.verbose:
print 'Exit the game!'
# perform safe exit
safe_exit()
## entry point for settings menu's toggle fullscreen option
#
# @param self the object pointer
def _toggle_fullscreen_option(self):
self.game_opts.fullscreen = not self.game_opts.fullscreen
if self.game_opts.verbose:
print 'Toggle fullscreen!'
# store the position of the mouse cursor
mouse_position = pygame.mouse.get_pos()
# toggle the fullscreen <-> window mode
pygame.display.set_mode(
(constants.SCREEN_WIDTH, constants.SCREEN_HEIGHT),
pygame.FULLSCREEN if self.game_opts.fullscreen else 0)
# update the mouse cursor position
pygame.mouse.set_pos(mouse_position)
## entry point for settings menu's toggle sounds option
#
# @param self the object pointer
def _toggle_sounds_option(self):
self.game_opts.sound = not self.game_opts.sound
if self.game_opts.verbose:
print 'Toggle sounds!'
## entry point for settings menu's toggle music option
#
# @param self the object pointer
def _toggle_music_option(self):
if self.game_opts.verbose:
print 'Toggle music!'
self.game_opts.music = not self.game_opts.music
if self.game_opts.music:
pygame.mixer.music.unpause()
else:
pygame.mixer.music.pause()
## entry point for settings menu's back option
#
# @param self the object pointer
def _back_option(self):
self.menu_settings_running = False
if self.game_opts.verbose:
print 'Go back to main menu!'
class Menu(State):
def __init__(self, game_opts):
State.__init__(self, constants.SCENES['menu'])
self.game_opts = game_opts
self.screen = pygame.display.get_surface()
self.menu_settings_running = None
self.menu_main_running = True
pygame.key.set_repeat(MENU_KEY_DEL, MENU_KEY_INT)
self.menu_main_bg = ResourceManager().getImage(
constants.FILES['graphics']['menu']['main']['bg'][0])
self.menu_settings_bg = ResourceManager().getImage(
constants.FILES['graphics']['menu']['share']['bg'][0])
self.menu_box_bg = ResourceManager().getImage(
constants.FILES['graphics']['menu']['settings']['box'][0])
self.window_frame = ResourceManager().getImage(
constants.FILES['graphics']['menu']['share']['frame'][0])
self.mouse_cursor = ResourceManager().getImage(
constants.FILES['graphics']['menu']['share']['cursor'][0])
self.select_option_snd = sound_mixer.load_sound(
constants.FILES['sounds']['menu']['share']['sel'][0])
# create the main menu - string, callback function
self.menu_main = KezMenu(self.game_opts,
['Play' , self._play_option],
['Settings' , self._settings_option],
['Credits' , self._credits_option],
['Quit' , self._quit_option])
self.menu_main.set_position(MENU_MAIN_POS_X, MENU_MAIN_POS_Y)
self.menu_main.set_font(graphics.load_font(
constants.FILES['fonts']['menu']['share'][0], MAIN_FONT_SIZE))
self.menu_main.set_highlight_color(MAIN_FOCUS_COLOR)
# create the settings menu - string, callback function
self.menu_settings = KezMenu(self.game_opts,
['Fullscreen' , self._toggle_fullscreen_option],
['Sounds' , self._toggle_sounds_option],
['Music' , self._toggle_music_option],
['Back' , self._back_option])
# disable the menu graphic for focused options
self.menu_settings.toggle_image()
self.menu_settings.set_font(graphics.load_font(
constants.FILES['fonts']['menu']['share'][0], MENU_FONT_SIZE))
self.menu_settings.center_at(constants.SCREEN_WIDTH / 2.0,
constants.SCREEN_HEIGHT / 2.0)
self.menu_settings.set_highlight_color(SETTINGS_FOCUS_COLOR)
self.sprites = pygame.sprite.LayeredUpdates()
sprites_number = len(constants.FILES['graphics']['menu']['share']['anim'])
sprite_area = self.screen.get_rect()
sprite_limiter = LimiterFactory().getInstance('Default')
for i in range(sprites_number):
sprite = MenuSprite(constants.FILES['graphics']['menu']['share']['anim'][i],
(sprite_area.center), i, MAX_ALPHA, False, SPRITE_SPEED,
sprite_area, 'Random')
sprite.limiter = sprite_limiter
self.sprites.add(sprite)
self.clock = pygame.time.Clock()
def do_actions(self):
while self.menu_main_running:
bg = self.screen.blit(self.menu_main_bg, (0, 0))
time_passed_seconds = get_time_sec(self.clock.tick(MENU_CLOCK_TICK))
self.sprites.update(time_passed_seconds)
self.sprites.draw(self.screen)
self.menu_main.draw(self.screen)
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
fr = self.screen.blit(self.window_frame, (0, 0))
need_update = (bg, fr)
pygame.display.update(need_update)
events = pygame.event.get()
self.menu_main.update(events)
for e in events:
if e.type == pygame.QUIT:
self._quit_option()
elif e.type == pygame.KEYDOWN:
if self.game_opts.sound:
if e.key in (pygame.K_p, pygame.K_s, pygame.K_c):
sound_mixer.play_sound(
self.select_option_snd, SOUND_VOL)
if e.key in (pygame.K_ESCAPE, pygame.K_q):
self._quit_option()
elif e.key == pygame.K_p:
self._play_option()
elif e.key == pygame.K_s:
self._settings_option()
elif e.key == pygame.K_c:
self._credits_option()
# TODO eliminate this duplicate code
def _settings_option(self):
'''Entry point for main menu's settings option.'''
# each time we enter in settings
# sub menu, set the flag to true
self.menu_settings_running = True
for s in self.sprites:
s.alpha = SPRITE_ALPHA
while self.menu_settings_running:
bg = self.screen.blit(self.menu_settings_bg, (0, 0))
self.menu_main.draw(self.screen)
time_passed_seconds = get_time_sec(self.clock.tick(MENU_CLOCK_TICK))
self.sprites.update(time_passed_seconds)
self.sprites.draw(self.screen)
menu_bg = self.screen.blit(self.menu_box_bg, (
(constants.SCREEN_WIDTH - self.menu_box_bg.get_width()) / 2.0,
(constants.SCREEN_HEIGHT - self.menu_box_bg.get_height()) / 2.0))
self.menu_settings.draw(self.screen)
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
fr = self.screen.blit(self.window_frame, (0, 0))
need_update = (bg, menu_bg, fr)
pygame.display.update(need_update)
events = pygame.event.get()
self.menu_settings.update(events)
for e in events:
if e.type == pygame.QUIT:
self._back_option()
self._quit_option()
elif e.type == pygame.KEYDOWN:
if self.game_opts.sound:
if e.key in (pygame.K_f, pygame.K_s, pygame.K_m,
pygame.K_b, pygame.K_ESCAPE):
sound_mixer.play_sound(
self.select_option_snd, SOUND_VOL)
if e.key in (pygame.K_ESCAPE, pygame.K_b):
self._back_option()
elif e.key == pygame.K_f:
self._toggle_fullscreen_option()
elif e.key == pygame.K_s:
self._toggle_sounds_option()
elif e.key == pygame.K_m:
self._toggle_music_option()
for s in self.sprites:
s.alpha = MAX_ALPHA
def _play_option(self):
if self.game_opts.verbose:
print('Start a new game.')
self.menu_main_running = False
def check_conditions(self):
if not self.menu_main_running:
return constants.SCENES['level_one']
return None
## entry point for main menu's credits option
#
# @param self the object pointer
def _credits_option(self):
fullname = file_path(
constants.FILES['texts']['menu']['credits']['text'][0],
constants.TEXTS_DIR)
if os.access(fullname, os.F_OK) and os.access(fullname, os.R_OK):
if self.game_opts.verbose:
print('Go to the credits screen.')
c = Credits(self.screen,
self.game_opts,
self.window_frame,
self.menu_settings_bg,
self.select_option_snd,
fullname)
if not c.run():
# quit if the close button is
# pressed (inside the credits)
self._quit_option()
else:
path = os.path.basename(__file__)
print("{0}: couldn't read text file: {1}".format(path, fullname))
raise SystemExit
def _quit_option(self):
if self.game_opts.verbose:
print('Exit the game!')
# perform safe exit
safe_exit()
def _toggle_fullscreen_option(self):
self.game_opts.fullscreen = not self.game_opts.fullscreen
if self.game_opts.verbose:
print('Toggle fullscreen!')
mouse_position = pygame.mouse.get_pos()
pygame.display.set_mode(
(constants.SCREEN_WIDTH, constants.SCREEN_HEIGHT),
pygame.FULLSCREEN if self.game_opts.fullscreen else 0)
pygame.mouse.set_pos(mouse_position)
def _toggle_sounds_option(self):
self.game_opts.sound = not self.game_opts.sound
if self.game_opts.verbose:
print('Toggle sounds!')
def _toggle_music_option(self):
if self.game_opts.verbose:
print('Toggle music!')
self.game_opts.music = not self.game_opts.music
if self.game_opts.music:
pygame.mixer.music.unpause()
else:
pygame.mixer.music.pause()
def _back_option(self):
self.menu_settings_running = False
if self.game_opts.verbose:
print('Go back to main menu!')
class Menu(State):
## initialize both the main and settings menu
#
# @param self the object pointer
# @param game_opts the game's command line options
def __init__(self, game_opts):
# initialize the state
State.__init__(self, constants.SCENES['menu'])
## the game's command line options
self.game_opts = game_opts
## the screen surface
self.screen = pygame.display.get_surface()
## flag to control the settings menu's loop
self.menu_settings_running = None
## flag to control the main menu's loop
self.menu_main_running = True
# enable key repeat for the menu
pygame.key.set_repeat(MENU_KEY_DEL, MENU_KEY_INT)
## set the main menu's background
self.menu_main_bg = graphics.load_image(
constants.FILES['graphics']['menu']['main']['bg'][0])[0]
## set the settings menu's background
self.menu_settings_bg = graphics.load_image(
constants.FILES['graphics']['menu']['share']['bg'][0])[0]
## set the settings menu's background box
self.menu_box_bg = graphics.load_image(
constants.FILES['graphics']['menu']['settings']['box'][0])[0]
## set the window frame
self.window_frame = graphics.load_image(
constants.FILES['graphics']['menu']['share']['frame'][0])[0]
## set the mouse cursor
self.mouse_cursor = graphics.load_image(
constants.FILES['graphics']['menu']['share']['cursor'][0])[0]
## set the sound when a menu option is entered
self.select_option_snd = sound_mixer.load_sound(
constants.FILES['sounds']['menu']['share']['sel'][0])
## create the main menu - string, callback function
self.menu_main = KezMenu(self.game_opts, ['Play', self._play_option],
['Settings', self._settings_option],
['Credits', self._credits_option],
['Quit', self._quit_option])
# set the position of the main menu
self.menu_main.set_position(MENU_MAIN_POS_X, MENU_MAIN_POS_Y)
# set the main menu's font
self.menu_main.set_font(
graphics.load_font(constants.FILES['fonts']['menu']['share'][0],
MAIN_FONT_SIZE))
# set the main menu's highlight color
self.menu_main.set_highlight_color(MAIN_FOCUS_COLOR)
## create the settings menu - string, callback function
self.menu_settings = KezMenu(
self.game_opts, ['Fullscreen', self._toggle_fullscreen_option],
['Sounds', self._toggle_sounds_option],
['Music', self._toggle_music_option], ['Back', self._back_option])
# disable the menu graphic for focused options
self.menu_settings.toggle_image()
# set the settings menu's font
self.menu_settings.set_font(
graphics.load_font(constants.FILES['fonts']['menu']['share'][0],
MENU_FONT_SIZE))
# set the position of the settings menu
self.menu_settings.center_at(constants.SCREEN_WIDTH / 2.0,
constants.SCREEN_HEIGHT / 2.0)
# set the settings menu's highlight color
self.menu_settings.set_highlight_color(SETTINGS_FOCUS_COLOR)
## the animated sprite group
self.anim_sprites = pygame.sprite.RenderUpdates()
# create the animated sprites
sprite_num = len(constants.FILES['graphics']['menu']['share']['anim'])
sprite_fact = SpriteFactory()
for i in range(sprite_num):
# create the "right" type of animated sprite using the factory
r_sprite = sprite_fact.create_anim_sprite(
i, constants.FILES['graphics']['menu']['share']['anim'][i],
ANIM_SPRITE_SPEED)
self.anim_sprites.add(r_sprite)
## create clock and track time
self.clock = pygame.time.Clock()
## what to do when the main menu is enabled
#
# @param self the object pointer
def do_actions(self):
# display & update screen, get all the events
while self.menu_main_running:
# draw the background
bg = self.screen.blit(self.menu_main_bg, (0, 0))
# count time passed in seconds
time_passed_seconds = get_time_sec(
self.clock.tick(MENU_CLOCK_TICK))
# animate the sprites
self.anim_sprites.update(time_passed_seconds)
# rectlist = self.anim_sprites.draw(self.screen)
self.anim_sprites.draw(self.screen)
# draw the main menu
self.menu_main.draw(self.screen)
# draw the custom mouse cursor
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
# draw the frame of the window
fr = self.screen.blit(self.window_frame, (0, 0))
need_update = (bg, fr)
# display the screen surface
pygame.display.update(need_update)
# get all the events
events = pygame.event.get()
# ......... and update the main menu
# which needs access to those events
self.menu_main.update(events)
# main menu event loop
for e in events:
# quit when the close button is pressed
if e.type == pygame.QUIT:
self._quit_option()
# handle keyboard keys
elif e.type == pygame.KEYDOWN:
# play the sound if there was a menu key shortcut
if self.game_opts.sound:
if e.key in (pygame.K_p, pygame.K_s, pygame.K_c):
sound_mixer.play_sound(self.select_option_snd,
SOUND_VOL)
# when user presses escape or 'q'uit key
if e.key in (pygame.K_ESCAPE, pygame.K_q):
self._quit_option()
# when user presses 'p'lay key
elif e.key == pygame.K_p:
self._play_option()
# when user presses 's'ettings key
elif e.key == pygame.K_s:
self._settings_option()
# when user presses 'c'redits key
elif e.key == pygame.K_c:
self._credits_option()
## entry point for main menu's settings option
#
# @param self the object pointer
def _settings_option(self):
# each time we enter in settings
# sub menu, set the flag to true
self.menu_settings_running = True
# decrease the alpha of animated sprites
for s in self.anim_sprites:
s.image.set_alpha(ANIM_SPRITE_ALPHA)
# display & update screen, get all the events
while self.menu_settings_running:
# draw the background
bg = self.screen.blit(self.menu_settings_bg, (0, 0))
# draw the main menu
self.menu_main.draw(self.screen)
# count time passed in seconds
time_passed_seconds = get_time_sec(
self.clock.tick(MENU_CLOCK_TICK))
# animate the sprites
self.anim_sprites.update(time_passed_seconds)
self.anim_sprites.draw(self.screen)
# draw settings menu background box
menu_bg = self.screen.blit(
self.menu_box_bg,
((constants.SCREEN_WIDTH - self.menu_box_bg.get_width()) / 2.0,
(constants.SCREEN_HEIGHT - self.menu_box_bg.get_height()) /
2.0))
# draw the settings menu
self.menu_settings.draw(self.screen)
# draw the custom mouse cursor
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
# draw the frame of the window
fr = self.screen.blit(self.window_frame, (0, 0))
need_update = (bg, menu_bg, fr)
# display the screen surface
pygame.display.update(need_update)
# get all the events
events = pygame.event.get()
# ..... and update the settings menu
# which needs access to those events
self.menu_settings.update(events)
# settings menu event loop
for e in events:
# quit when the close button is pressed
if e.type == pygame.QUIT:
self._back_option()
self._quit_option()
# handle keyboard keys
elif e.type == pygame.KEYDOWN:
# play the sound if there was a menu key shortcut
if self.game_opts.sound:
if e.key in (pygame.K_f, pygame.K_s, pygame.K_m,
pygame.K_b, pygame.K_ESCAPE):
sound_mixer.play_sound(self.select_option_snd,
SOUND_VOL)
# when user presses escape key or 'b'ack key
if e.key in (pygame.K_ESCAPE, pygame.K_b):
self._back_option()
# when user presses 'f'ullscreen key
elif e.key == pygame.K_f:
self._toggle_fullscreen_option()
# when user presses 's'ounds key
elif e.key == pygame.K_s:
self._toggle_sounds_option()
# when user presses 'm'usic key
elif e.key == pygame.K_m:
self._toggle_music_option()
# restore the alpha of the animated sprites
for s in self.anim_sprites:
s.image.set_alpha(MAX_ALPHA)
## entry point for main menu's new game option
#
# @param self the object pointer
def _play_option(self):
if self.game_opts.verbose:
print('Start a new game.')
self.menu_main_running = False
## what should be satisfied for enabling the next scene
#
# @param self the object pointer
# @return the name of the next scene
def check_conditions(self):
# if the scene is finished, returns back
# to the caller the name of the next one
if not self.menu_main_running:
return constants.SCENES['level_one']
return None
## entry point for main menu's credits option
#
# @param self the object pointer
def _credits_option(self):
# get the path of the filename
fullname = file_path(
constants.FILES['texts']['menu']['credits']['text'][0],
constants.TEXTS_DIR)
# if credits text file exists and is readable
if os.access(fullname, os.F_OK) and os.access(fullname, os.R_OK):
if self.game_opts.verbose:
print('Go to the credits screen.')
# create the credits screen
c = Credits(self.screen, self.game_opts, self.window_frame,
self.menu_settings_bg, self.select_option_snd,
fullname)
# run the credits screen
if not c.run():
# quit if the close button is
# pressed (inside the credits)
self._quit_option()
else:
print((' '.join(("Couldn't read text file:", fullname))))
## entry point for main menu's quit option
#
# @param self the object pointer
def _quit_option(self):
if self.game_opts.verbose:
print('Exit the game!')
# perform safe exit
safe_exit()
## entry point for settings menu's toggle fullscreen option
#
# @param self the object pointer
def _toggle_fullscreen_option(self):
self.game_opts.fullscreen = not self.game_opts.fullscreen
if self.game_opts.verbose:
print('Toggle fullscreen!')
# store the position of the mouse cursor
mouse_position = pygame.mouse.get_pos()
# toggle the fullscreen <-> window mode
pygame.display.set_mode(
(constants.SCREEN_WIDTH, constants.SCREEN_HEIGHT),
pygame.FULLSCREEN if self.game_opts.fullscreen else 0)
# update the mouse cursor position
pygame.mouse.set_pos(mouse_position)
## entry point for settings menu's toggle sounds option
#
# @param self the object pointer
def _toggle_sounds_option(self):
self.game_opts.sound = not self.game_opts.sound
if self.game_opts.verbose:
print('Toggle sounds!')
## entry point for settings menu's toggle music option
#
# @param self the object pointer
def _toggle_music_option(self):
if self.game_opts.verbose:
print('Toggle music!')
self.game_opts.music = not self.game_opts.music
if self.game_opts.music:
pygame.mixer.music.unpause()
else:
pygame.mixer.music.pause()
## entry point for settings menu's back option
#
# @param self the object pointer
def _back_option(self):
self.menu_settings_running = False
if self.game_opts.verbose:
print('Go back to main menu!')
class Menu(State):
## initialize both the main and settings menu
#
# @param self the object pointer
# @param game_opts the game's command line options
def __init__(self, game_opts):
# initialize the state
State.__init__(self, constants.SCENES["menu"])
## the game's command line options
self.game_opts = game_opts
## the screen surface
self.screen = pygame.display.get_surface()
## flag to control the settings menu's loop
self.menu_settings_running = None
## flag to control the main menu's loop
self.menu_main_running = True
# enable key repeat for the menu
pygame.key.set_repeat(MENU_KEY_DEL, MENU_KEY_INT)
## set the main menu's background
self.menu_main_bg = graphics.load_image(constants.FILES["graphics"]["menu"]["main"]["bg"][0])[0]
## set the settings menu's background
self.menu_settings_bg = graphics.load_image(constants.FILES["graphics"]["menu"]["share"]["bg"][0])[0]
## set the settings menu's background box
self.menu_box_bg = graphics.load_image(constants.FILES["graphics"]["menu"]["settings"]["box"][0])[0]
## set the window frame
self.window_frame = graphics.load_image(constants.FILES["graphics"]["menu"]["share"]["frame"][0])[0]
## set the mouse cursor
self.mouse_cursor = graphics.load_image(constants.FILES["graphics"]["menu"]["share"]["cursor"][0])[0]
## set the sound when a menu option is entered
self.select_option_snd = sound_mixer.load_sound(constants.FILES["sounds"]["menu"]["share"]["sel"][0])
## create the main menu - string, callback function
self.menu_main = KezMenu(
self.game_opts,
["Play", self._play_option],
["Settings", self._settings_option],
["Credits", self._credits_option],
["Quit", self._quit_option],
)
# set the position of the main menu
self.menu_main.set_position(MENU_MAIN_POS_X, MENU_MAIN_POS_Y)
# set the main menu's font
self.menu_main.set_font(graphics.load_font(constants.FILES["fonts"]["menu"]["share"][0], MAIN_FONT_SIZE))
# set the main menu's highlight color
self.menu_main.set_highlight_color(MAIN_FOCUS_COLOR)
## create the settings menu - string, callback function
self.menu_settings = KezMenu(
self.game_opts,
["Fullscreen", self._toggle_fullscreen_option],
["Sounds", self._toggle_sounds_option],
["Music", self._toggle_music_option],
["Back", self._back_option],
)
# disable the menu graphic for focused options
self.menu_settings.toggle_image()
# set the settings menu's font
self.menu_settings.set_font(graphics.load_font(constants.FILES["fonts"]["menu"]["share"][0], MENU_FONT_SIZE))
# set the position of the settings menu
self.menu_settings.center_at(constants.SCREEN_WIDTH / 2.0, constants.SCREEN_HEIGHT / 2.0)
# set the settings menu's highlight color
self.menu_settings.set_highlight_color(SETTINGS_FOCUS_COLOR)
## the animated sprite group
self.anim_sprites = pygame.sprite.RenderUpdates()
# create the animated sprites
sprite_num = len(constants.FILES["graphics"]["menu"]["share"]["anim"])
sprite_fact = SpriteFactory()
for i in range(sprite_num):
# create the "right" type of animated sprite using the factory
r_sprite = sprite_fact.create_anim_sprite(
i, constants.FILES["graphics"]["menu"]["share"]["anim"][i], ANIM_SPRITE_SPEED
)
self.anim_sprites.add(r_sprite)
## create clock and track time
self.clock = pygame.time.Clock()
## what to do when the main menu is enabled
#
# @param self the object pointer
def do_actions(self):
# display & update screen, get all the events
while self.menu_main_running:
# draw the background
bg = self.screen.blit(self.menu_main_bg, (0, 0))
# count time passed in seconds
time_passed_seconds = get_time_sec(self.clock.tick(MENU_CLOCK_TICK))
# animate the sprites
self.anim_sprites.update(time_passed_seconds)
# rectlist = self.anim_sprites.draw(self.screen)
self.anim_sprites.draw(self.screen)
# draw the main menu
self.menu_main.draw(self.screen)
# draw the custom mouse cursor
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
# draw the frame of the window
fr = self.screen.blit(self.window_frame, (0, 0))
need_update = (bg, fr)
# display the screen surface
pygame.display.update(need_update)
# get all the events
events = pygame.event.get()
# ......... and update the main menu
# which needs access to those events
self.menu_main.update(events)
# main menu event loop
for e in events:
# quit when the close button is pressed
if e.type == pygame.QUIT:
self._quit_option()
# handle keyboard keys
elif e.type == pygame.KEYDOWN:
# play the sound if there was a menu key shortcut
if self.game_opts.sound:
if e.key in (pygame.K_p, pygame.K_s, pygame.K_c):
sound_mixer.play_sound(self.select_option_snd, SOUND_VOL)
# when user presses escape or 'q'uit key
if e.key in (pygame.K_ESCAPE, pygame.K_q):
self._quit_option()
# when user presses 'p'lay key
elif e.key == pygame.K_p:
self._play_option()
# when user presses 's'ettings key
elif e.key == pygame.K_s:
self._settings_option()
# when user presses 'c'redits key
elif e.key == pygame.K_c:
self._credits_option()
## entry point for main menu's settings option
#
# @param self the object pointer
def _settings_option(self):
# each time we enter in settings
# sub menu, set the flag to true
self.menu_settings_running = True
# decrease the alpha of animated sprites
for s in self.anim_sprites:
s.image.set_alpha(ANIM_SPRITE_ALPHA)
# display & update screen, get all the events
while self.menu_settings_running:
# draw the background
bg = self.screen.blit(self.menu_settings_bg, (0, 0))
# draw the main menu
self.menu_main.draw(self.screen)
# count time passed in seconds
time_passed_seconds = get_time_sec(self.clock.tick(MENU_CLOCK_TICK))
# animate the sprites
self.anim_sprites.update(time_passed_seconds)
self.anim_sprites.draw(self.screen)
# draw settings menu background box
menu_bg = self.screen.blit(
self.menu_box_bg,
(
(constants.SCREEN_WIDTH - self.menu_box_bg.get_width()) / 2.0,
(constants.SCREEN_HEIGHT - self.menu_box_bg.get_height()) / 2.0,
),
)
# draw the settings menu
self.menu_settings.draw(self.screen)
# draw the custom mouse cursor
graphics.handle_mouse_cursor(self.mouse_cursor, self.screen)
# draw the frame of the window
fr = self.screen.blit(self.window_frame, (0, 0))
need_update = (bg, menu_bg, fr)
# display the screen surface
pygame.display.update(need_update)
# get all the events
events = pygame.event.get()
# ..... and update the settings menu
# which needs access to those events
self.menu_settings.update(events)
# settings menu event loop
for e in events:
# quit when the close button is pressed
if e.type == pygame.QUIT:
self._back_option()
self._quit_option()
# handle keyboard keys
elif e.type == pygame.KEYDOWN:
# play the sound if there was a menu key shortcut
if self.game_opts.sound:
if e.key in (pygame.K_f, pygame.K_s, pygame.K_m, pygame.K_b, pygame.K_ESCAPE):
sound_mixer.play_sound(self.select_option_snd, SOUND_VOL)
# when user presses escape key or 'b'ack key
if e.key in (pygame.K_ESCAPE, pygame.K_b):
self._back_option()
# when user presses 'f'ullscreen key
elif e.key == pygame.K_f:
self._toggle_fullscreen_option()
# when user presses 's'ounds key
elif e.key == pygame.K_s:
self._toggle_sounds_option()
# when user presses 'm'usic key
elif e.key == pygame.K_m:
self._toggle_music_option()
# restore the alpha of the animated sprites
for s in self.anim_sprites:
s.image.set_alpha(MAX_ALPHA)
## entry point for main menu's new game option
#
# @param self the object pointer
def _play_option(self):
if self.game_opts.verbose:
print("Start a new game.")
self.menu_main_running = False
## what should be satisfied for enabling the next scene
#
# @param self the object pointer
# @return the name of the next scene
def check_conditions(self):
# if the scene is finished, returns back
# to the caller the name of the next one
if not self.menu_main_running:
return constants.SCENES["level_one"]
return None
## entry point for main menu's credits option
#
# @param self the object pointer
def _credits_option(self):
# get the path of the filename
fullname = file_path(constants.FILES["texts"]["menu"]["credits"]["text"][0], constants.TEXTS_DIR)
# if credits text file exists and is readable
if os.access(fullname, os.F_OK) and os.access(fullname, os.R_OK):
if self.game_opts.verbose:
print("Go to the credits screen.")
# create the credits screen
c = Credits(
self.screen, self.game_opts, self.window_frame, self.menu_settings_bg, self.select_option_snd, fullname
)
# run the credits screen
if not c.run():
# quit if the close button is
# pressed (inside the credits)
self._quit_option()
else:
print((" ".join(("Couldn't read text file:", fullname))))
## entry point for main menu's quit option
#
# @param self the object pointer
def _quit_option(self):
if self.game_opts.verbose:
print("Exit the game!")
# perform safe exit
safe_exit()
## entry point for settings menu's toggle fullscreen option
#
# @param self the object pointer
def _toggle_fullscreen_option(self):
self.game_opts.fullscreen = not self.game_opts.fullscreen
if self.game_opts.verbose:
print("Toggle fullscreen!")
# store the position of the mouse cursor
mouse_position = pygame.mouse.get_pos()
# toggle the fullscreen <-> window mode
pygame.display.set_mode(
(constants.SCREEN_WIDTH, constants.SCREEN_HEIGHT), pygame.FULLSCREEN if self.game_opts.fullscreen else 0
)
# update the mouse cursor position
pygame.mouse.set_pos(mouse_position)
## entry point for settings menu's toggle sounds option
#
# @param self the object pointer
def _toggle_sounds_option(self):
self.game_opts.sound = not self.game_opts.sound
if self.game_opts.verbose:
print("Toggle sounds!")
## entry point for settings menu's toggle music option
#
# @param self the object pointer
def _toggle_music_option(self):
if self.game_opts.verbose:
print("Toggle music!")
self.game_opts.music = not self.game_opts.music
if self.game_opts.music:
pygame.mixer.music.unpause()
else:
pygame.mixer.music.pause()
## entry point for settings menu's back option
#
# @param self the object pointer
def _back_option(self):
self.menu_settings_running = False
if self.game_opts.verbose:
print("Go back to main menu!")