Python Ball.changeGameState方法代码示例

# 需要导入模块: from ball import Ball [as 别名]
# 或者: from ball.Ball import changeGameState [as 别名]
class GameStateImpl(game_state_base.GameStateBase):
    __instance = None

    def __new__(cls):
        """Override the instantiation of this class. We're creating a singleton yeah"""
        return None

    def __init__(self):
        """ This shouldn't run.. We call __init__ on the __instance member"""
        #super(GameStateImpl, self).__init__()
        #self.SetName("Playing State")
        #print "GAMESTATE Playing State __init__ running (creating data members and method functions)"
        pass

    def Init(self, engineRef, takeWith=None):
		# Snag some vital object refs from the engine object
        self.game_size = engineRef.game_size
        self.screen_size = engineRef.screen_size
        self.cell_size = engineRef.cell_size
        self.surface_bg = engineRef.surface_bg
        self.game_viewport = engineRef.game_viewport
        self.bg_col = engineRef.bg_col
        self.mixer = engineRef.mixer

        # TODO perhaps move the loading of this config to the main game engine. Then, simply pass a reference to the config object into this function, rather than doing the loading here
        # Load config file
        with open(os.path.normpath(engineRef.exepath + '/../data/config/settings.json'), 'r+') as fd:
            cfgFromFile = json.load(fd)
        config = dot_access_dict.DotAccessDict(cfgFromFile)

        with open(os.path.normpath(engineRef.exepath + '/../data/scores/highscores.json'), 'r') as fd:
            highScores = json.load(fd)

        self.vital_stats = GameplayStats(config, highScores)
        # TODO - Fix Gameplaystats. Right now, it's a patchwork object that takes some items that were loaded in from a cfg file, but others that are hard-coded. The patchwork is an artifact of the patchwork design/implementation of this game (I'm adding things as I figure out how to, heh)

        self.ball = Ball()
        self.ball._accumulator_s[1] = 0.0
        self.ball.setPosition(32, 0) # Position is given in coordinates on the 64x64 grid. Actual screen coordinates are calculated from grid coordinates
        self.ball.setSpeed(0,1)
        self.ball.setMaxSpeed(1,1)
        self.ball.changeGameState(BallGameState.FREEFALL)
        #print "Changing ball game state to FREEFALL"

        self._eventQueue = MessageQueue() # Event queue, e.g. user key/button presses, system events
        self._eventQueue.Initialize(64)

        self.mm = DisplayMessageManager()

        self.rm = RowManager()
        self.rm.initLevel(self.vital_stats.initialRowSpacing, self.vital_stats.initialRowUpdateDelay, self.cell_size) 

        self.displayMsgScore = DisplayMessage()
        self.displayMsgScore.create(txtStr="Score: ", position=[66, 5], color=(192,192,192))

        self.displayMsgTries = DisplayMessage()
        self.displayMsgTries.create(txtStr="Tries: ", position=[66, 10], color=(192,192,192))
    
        self.displayMsgLevel = DisplayMessage()
        self.displayMsgLevel.create(txtStr="Level: ", position=[66, 20], color=(192,192,192))

        self.displayMsgCrushed = DisplayMessage()
        self.displayMsgCrushed.create(txtStr="Crushed :-(", position=[66, 30], color=(192,192,192))
    
        self.displayMsgGameOver = DisplayMessage()
        self.displayMsgGameOver.create(txtStr="GameOver :-(", position=[66, 32], color=(192,192,192))

        # Register Event Listeners
        self._eventQueue.RegisterListener('ball', self.ball.controlState, 'PlayerControl')
        self._eventQueue.RegisterListener('rowmgr', self.rm, 'Difficulty')
        self._eventQueue.RegisterListener('mixer', self.mixer, 'PlaySfx')
        self._eventQueue.RegisterListener('engine', engineRef, 'Application') # Register the game engine to listen to messages with topic, "Application"

        # Initialize sound effects
        # TODO make a class or some other smarter way to manage loading the sound effects
        self.mixer.addSfxFileToMap('gap'        , os.path.normpath(engineRef.exepath + '/../asset/audio/gap.wav'))
        self.mixer.addSfxFileToMap('crushed'    , os.path.normpath(engineRef.exepath + '/../asset/audio/explosion2.wav'))
        self.mixer.addSfxFileToMap('levelUp'    , os.path.normpath(engineRef.exepath + '/../asset/audio/powerup2.wav'))
        self.mixer.loadSfxFiles()
        self.mixer.setSfxVolume(config['mixer.sfxVol'] / 10.0)  # TODO Design a way to avoid hard-coding the config keys here
        # A note on dependencies: setSfxVolume has to come after sound effects are loaded. That is because Pygame sets sfx levels per Sound object; the sounds must be loaded to set their volume
        # Music volume, on the other hand, appears to be configurable at any time

        # Add music files to mapping
        # NOTE: We could have initialized the playing state music files in the main menu (along with the main menu music), because the mixer object is shared across all gamestates. But, we're initializing them here because they logically belong to this gamestate
        self.mixer.addMusicFileToMap('level'    , os.path.normpath(engineRef.exepath + '/../asset/audio/gameplay_music_01.ogg'))
        self.mixer.addMusicFileToMap('gameOver' , os.path.normpath(engineRef.exepath + '/../asset/audio/gameover.ogg'))
        self.mixer.setMusicVolume(config['mixer.musicVol'] / 10.0)  # TODO Design a way to avoid hard-coding the config keys here

        self.mixer.loadMusicFile('level')
        self.mixer.playMusic(repeatMode=sound_and_music.SoundNMusicMixer.REPEAT_TRACK)   # TODO revisit music playback. Maybe make a few songs to randomly shuffle?


    def Cleanup(self):
        # NOTE this class is a port from a C++ class. Because Python is garbage-collected, Cleanup() is probably not necessary here. But it's included for completeness
        #print "GAMESTATE Playing State cleaning up."
        pass

    @staticmethod
    def Instance():
#.........这里部分代码省略.........