def step_wait()

in coinrun/coinrunenv.py [0:0]


    def step_wait(self):
        self.buf_rew = np.zeros_like(self.buf_rew)
        self.buf_done = np.zeros_like(self.buf_done)

        lib.vec_wait(
            self.handle,
            self.buf_rgb,
            self.buf_render_rgb,
            self.buf_rew,
            self.buf_done)

        obs_frames = self.buf_rgb

        if Config.USE_BLACK_WHITE:
            obs_frames = np.mean(obs_frames, axis=-1).astype(np.uint8)[...,None]

        return obs_frames, self.buf_rew, self.buf_done, self.dummy_info