def on_new_game(self):
debugger(
"Display: mGamestateChangeListener: on_new_game: Redrawing background"
)
self.parent.randomise_background()
self.parent.draw_background()
self.parent.hud = NewGameHUD(self.parent.display)
def state_controls(self, event):
if event.key in self.START_KEYS:
debugger("NewGameState: state_controls: Pressed a START key")
self.state_instance.current_state = FlappyFlyingState(
self.flappy, self.pipes, self.ground)
return True # state has changed, do not call state_update
return False
def on_flappy_flying(self):
debugger(
"Display: mGamestateChangeListener: on_flappy_flying: Redrawing background"
)
self.parent.draw_background()
self.parent.hud = FlappyFlyingHUD(self.parent.display,
self.parent.background)
def __init__(self, scale_pos_x, scale_pos_y):
super(Flappy, self).__init__()
self.display_width = Assets.get().display_width
self.display_height = Assets.get().display_height
self.default_position = (int(scale_pos_x * self.display_width),
int(scale_pos_y * self.display_height))
debugger("Flappy: __init__: default_position = {}".format(
self.default_position))
# scaling physics with display resolution
self.ACCELERATION *= self.display_height
self.MAX_VELOCITY *= self.display_height
self.JUMP_VELOCITY *= self.display_height
self.IDLE_ANIMATION_MAX_Y *= self.display_height
self.IDLE_ANIMATION_SPEED *= self.display_height
# loading flappy assets
self.FLAPPY_UP_IMAGE = Assets.get().FLAPPY_UP_IMAGE
self.FLAPPY_IMAGES = Assets.get().FLAPPY_IMAGES
# the actual image that gets rendered and collision detection mask
self.image = self.FLAPPY_IMAGES[0]
self.rect = self.image.get_rect()
self.hitmask = get_alpha_hitmask(self.image, self.rect)
# setting Flappy's default values
self.position = self.default_position
self.velocity = 0
self.idle_direction = -1
self.animation_ms = 0
self.flappy_flap_listeners = list()
def update(self, delta_t):
'''
The central Gamestate class will call this method
in order to update the individual state.
'''
drawables = list()
for event in pygame.event.get():
if not hasattr(event, 'key') or event.type is not pygame.KEYDOWN:
continue
# these controls apply to all states that subclass the template
elif event.key in self.QUIT_KEYS:
debugger("GamestateTemplate: update: Pressed a QUIT key")
self.state_instance.quit()
else:
# update controls specific to the individial state
# the stop flag is used to avoid drawing if the state changes
stop = self.state_controls(event)
if stop:
return drawables
# update the individual state
drawables = self.state_update(delta_t)
return drawables
def current_state(self, new_state):
self._current_state = new_state
if isinstance(new_state, IntroState):
debugger(
"Gamestate: current_state.setter: Setting state to IntroState")
self.call_gamestate_change_listeners_on_intro()
elif isinstance(new_state, NewGameState):
debugger(
"Gamestate: current_state.setter: Setting state to NewGameState"
)
self.call_gamestate_change_listeners_on_new_game()
elif isinstance(new_state, FlappyFlyingState):
debugger(
"Gamestate: current_state.setter: Setting state to FlappyFlyingState"
)
self.call_gamestate_change_listeners_on_flappy_flying()
elif isinstance(new_state, GameOverState):
debugger(
"Gamestate: current_state.setter: Setting state to GameOverState"
)
self.call_gamestate_change_listeners_on_game_over(
self.current_state.score)
else:
debugger(
"FATAL ERROR: Gamestate: current_state.setter: Given state is not valid!",
fatal=True)
def get_ground_under_flappy(self):
'''
This method returns the Ground object that is directly under Flappy.
It is called by FlappyFlyingState in its update_state method.
'''
for ground in self.ground_list:
# TODO: better way of using flappy's position (.. > s.d_w * 0.2)
if ground.position[0] + Assets.get().GROUND_IMAGE.get_width(
) / 2.0 > self.display_width * 0.2:
return ground
debugger("FATAL ERROR: GroundManager: get_ground_under_flappy:" \
" Did not find any ground under Flappy!", fatal=True)
def run(self):
debugger("Gameloop: run: Starting gameloop")
while self.gamestate.is_running:
# get the elapsed time since last tick and cap the fps
delta_t_ms = self.clock.tick(self.FRAMES_PER_SECOND)
delta_t_sec = delta_t_ms / 1000.0
fps = self.clock.get_fps()
drawables = self.gamestate.update(delta_t_sec)
self.display.update(drawables, fps)
debugger("Gameloop: run: Exiting gameloop")
def __init__(self, pipes, score):
super(GameOverState, self).__init__()
self.pipes = pipes
self.score = score
self.pipes.reset_pipes()
try:
# TODO: track best score as well
track_data('updater-flappy-judoka-score', {'score': score})
except:
logger.warn("Tracking the users score failed!")
debugger(
"ERROR: GameOverState: __init__: Tracking the users score failed!"
)
def update_difficulty(self):
self.difficulty_counter += 1
if self.difficulty_counter == self.DIFFICULTY_CHANGE:
self.difficulty_counter = 0
# increase the difficulty by making the spacing between the pipes smaller
if self.pipe_spacing_x > self.PIPE_MIN_SPACING_X:
self.pipe_spacing_x -= self.PIPE_SPACING_DECREASE
self.pipe_spacing_y -= self.PIPE_SPACING_DECREASE
debugger(
"PipeManager: update_difficulty: Making spacing smaller X = {}, Y = {}"
.format(self.pipe_spacing_x, self.pipe_spacing_y))
else:
debugger(
"PipeManager: update_difficulty: Highest difficulty reached! WOOHOO! Keep going!"
)
def setup(self):
'''
This method is called by the Gameloop in order to initialise the Sound class.
It provides the implementation of the state change listener
such that it can play various sounds specific to state transitions.
'''
# check that the platform supports sound playback
# if it doesn't, then it won't implement any listeners
initialised = pygame.mixer.get_init()
if initialised:
debugger("Sound: __init__: Mixer is available and is initialised:" \
" frequency = {}, format = {}, channels = {}"
.format(initialised[0], initialised[1], initialised[2]))
Gamestate.get().add_gamestate_change_listener(self.mGamestateChangeListener(self))
else:
debugger("Sound: __init__: Mixer is not available! Game will not have sounds!")
def load(self):
debugger("Assets: load: Loading all game assets")
self.FLAPPY_UP_IMAGE = load_image('flappy-up.png', colorkey=None, alpha=True)
self.FLAPPY_MIDDLE_IMAGE = load_image('flappy-middle.png', colorkey=None, alpha=True)
self.FLAPPY_DOWN_IMAGE = load_image('flappy-down.png', colorkey=None, alpha=True)
self.PIPE_TOP_IMAGE = load_image('yellow-cable-top.png')
self.PIPE_BODY_IMAGE = load_image('yellow-cable-body.png')
self.BACKGROUND_DAY_COLOR = (49, 64, 70)
self.BACKGROUND_DAY_IMAGE = load_image('background.png')
self.GROUND_IMAGE = load_image('ground.png')
# sounds downloaded under CCO License from http://www.freesound.org/
# some of these have been edited to fit the game
self.GAME_OVER_SOUND = load_sound('game-over.wav')
self.START_GAME_SOUND = load_sound('game-start.wav')
self.FLAPPY_FLAP_SOUND = load_sound('jump.wav')
self.GAINED_POINT_SOUND = load_sound('point.wav')
def update(self, delta_t):
'''
This method updates the entire pipe "system" and is called
by each individual game state when appropriate.
It calls the update for each Pipe and moves the first two pipes to
the back when they fall off the display to the left.
'''
# call the update function of every Pipe sprite
for pipe in self.pipes_list:
pipe.update(delta_t)
# if the first two pipes fall off the screen completely
if self.pipes_list[0].position[0] < -self.pipe_width / 2:
debugger("PipeManager: update: A pipe object fell off the screen")
# remove the first pipes (by X) top/bottom
first_top_pipe = self.pipes_list.pop(0)
first_bottom_pipe = self.pipes_list.pop(0)
# calculate X to move first pipes to last, equally spaced
# when the top/bottom pipes are moved to the back, randomize Y positions
new_last_pipe_x = self.pipes_list[-1].position[
0] + self.pipe_spacing_x + self.pipe_width
new_last_pipe_top_y, new_last_pipe_bottom_y = self.randomize_pipe_y_positions(
)
# first pipe (by X) becomes the last
first_top_pipe.position = (new_last_pipe_x, new_last_pipe_top_y)
first_bottom_pipe.position = (new_last_pipe_x,
new_last_pipe_bottom_y)
# add the pipes to the end of the list
self.pipes_list.append(first_top_pipe)
self.pipes_list.append(first_bottom_pipe)
self.update_difficulty()
def __init__(self):
self.display_width = Assets.get().display_width
self.display_height = Assets.get().display_height
# scaling ground position with display resolution
self.GROUND_Y *= self.display_height
debugger("GroundManager: __init__: GROUND_Y = {}".format(
self.GROUND_Y))
self.ground_width = Assets.get().GROUND_IMAGE.get_width()
debugger("GroundManager: __init__: ground_width = {}".format(
self.ground_width))
# calculate the number of ground sprites needed and generate them
self.no_of_grounds = self.display_width / self.ground_width + 2
debugger("GroundManager: __init__: no_of_grounds = {}".format(
self.no_of_grounds))
self.ground_list = self.generate_ground()
self.ground_group = pygame.sprite.RenderUpdates(self.ground_list)
def __init__(self):
self.display_width = Assets.get().display_width
self.display_height = Assets.get().display_height
# scaling parameters with display resolution
self.PIPE_INIT_X = int(self.PIPE_INIT_X * self.display_width)
self.PIPE_MIN_SPACING_X = int(self.PIPE_MIN_SPACING_X *
self.display_height)
self.PIPE_MIN_SPACING_Y = int(self.PIPE_MIN_SPACING_Y *
self.display_height)
self.PIPE_MAX_SPACING_X = int(self.PIPE_MAX_SPACING_X *
self.display_height)
self.PIPE_MAX_SPACING_Y = int(self.PIPE_MAX_SPACING_Y *
self.display_height)
self.PIPE_SPACING_DECREASE = int(self.PIPE_SPACING_DECREASE *
self.display_height)
self.pipe_spacing_x = self.PIPE_MAX_SPACING_X
self.pipe_spacing_y = self.PIPE_MAX_SPACING_Y
self.pipe_width, self.pipe_height = Assets.get(
).PIPE_BOTTOM_IMAGE.get_size()
debugger(
"PipeManager: __init__: pipe_width = {}, pipe_height = {}".format(
self.pipe_width, self.pipe_height))
# initialising parameters for randomizing top/bottom pipe y positions
self.rand_from = int(self.display_height * self.SPACING_FROM_Y)
self.rand_to = int(self.display_height * self.SPACING_TO_Y)
debugger("PipeManager: __init__: (rand_from, rand_to) = {}".format(
(self.rand_from, self.rand_to)))
# calculate the number of pipes needed and generate them
self.no_of_pipes = self.display_width / (self.pipe_width +
self.PIPE_MIN_SPACING_X) + 2
debugger("PipeManager: __init__: no_of_pipes = {}".format(
self.no_of_pipes))
self.pipes_list = self.generate_pipes()
self.pipes_group = pygame.sprite.RenderUpdates(self.pipes_list)
self.difficulty_counter = self.no_of_pipes
def __init__(self):
# if the resolution was not changed through cmdline args, use the default scaling
if self.WIDTH < 1 and self.HEIGHT < 1:
monitor_info = pygame.display.Info()
debugger("Display: __init__: Monitor resolution is {}x{}".format(
monitor_info.current_w, monitor_info.current_h))
self.WIDTH = int(self.WIDTH * monitor_info.current_w)
self.HEIGHT = int(self.HEIGHT * monitor_info.current_h)
# TODO: remove this if font sizes in HUDs are scaled
if self.HEIGHT < 400:
debugger(
"WARNING: flappy-judoka: main: Height resolution is below the recommended value 400!"
)
self.display = pygame.display.set_mode((self.WIDTH, self.HEIGHT),
pygame.NOFRAME)
debugger("Display: __init__: Setting game resolution {}x{}".format(
self.WIDTH, self.HEIGHT))
# setting the window name (this is for the window manager to have a reference)
pygame.display.set_caption(self.GAME_TITLE)
# hiding mouse pointer when the game runs
pygame.mouse.set_visible(False)
# grabing all keyboard and mouse inputs, apps behind the game won't get input
pygame.event.set_grab(True)
# initialising and loading assets based on screen resolution
Assets(self.WIDTH, self.HEIGHT)
# compose and draw the background
self.randomise_background()
self.draw_background()
def on_flappy_flying(self):
debugger("Sound: mGamestateChangeListener: on_flappy_flying: Setting ScoreChangedListener and FlappyFlapListener")
Gamestate.get().current_state.flappy.add_flappy_flap_listener(self.parent.mFlappyFlapListener(self.parent))
Gamestate.get().current_state.add_score_changed_listener(self.parent.mScoreChangedListener(self.parent))
def state_controls(self, event):
if event.key in self.FLAP_KEYS:
debugger("FlappyFlyingState: state_controls: Pressed a FLAP key")
if not self.flappy_hit_pipe:
self.flappy.flap()
def on_game_over(self, score):
debugger(
"Display: mGamestateChangeListener: on_game_over: Redrawing background"
)
self.parent.draw_background()
self.parent.hud = GameOverHUD(self.parent.display, score)
def on_intro(self):
debugger(
"Display: mGamestateChangeListener: on_intro: Setting the IntroHUD"
)
self.parent.hud = IntroHUD(self.parent.display)
def add_score_changed_listener(self, listener):
if not isinstance(listener, self.ScoreChangedListener):
debugger("FATAL ERROR: PipeManager: add_score_changed_listener:" \
" Given listener is not an instance of ScoreChangedListener!", fatal=True)
self.score_changed_listeners.append(listener)
def on_score_changed(self, score):
debugger("Sound: mScoreChangedListener: on_score_changed: Playing gained_point_sound")
self.parent.gained_point_sound.play()
def on_flappy_flap(self):
debugger("Sound: mFlappyFlapListener: on_flappy_flap: Playing flappy_flap_sound")
self.parent.flappy_flap_sound.play()
def add_gamestate_change_listener(self, listener):
if not isinstance(listener, self.GamestateChangeListener):
debugger("FATAL ERROR: Gamestate: set_gamestate_change_listener:" \
" Given listener is not an instance of GamestateChangeListener!", fatal=True)
self.gamestate_change_listeners.append(listener)
def state_controls(self, event):
if event.key in self.START_KEYS:
debugger("GameOverState: state_controls: Pressed a START key")
self.state_instance.current_state = NewGameState(self.pipes)
return True # state has changed, do not call state_update
return False
def on_intro(self):
debugger("Sound: mGamestateChangeListener: on_intro: Playing start_game_sound")
self.parent.start_game_sound.play()
def get():
if not Gamestate._singleton_instance:
debugger(
"FATAL ERROR: Gamestate: get: Gamestate was not initialised!",
fatal=True)
return Gamestate._singleton_instance
def add_flappy_flap_listener(self, listener):
if not isinstance(listener, self.FlappyFlapListener):
debugger("FATAL ERROR: Flappy: add_flappy_flap_listener:" \
" Given listener is not an instance of FlappyFlapListener!", fatal=True)
self.flappy_flap_listeners.append(listener)
def on_game_over(self, score):
debugger("Sound: mGamestateChangeListener: on_game_over: Playing game_over_sound")
self.parent.game_over_sound.play()
def quit(self):
debugger("Gamestate: quit: Setting _is_running to False")
self._is_running = False
