textDisplay.py

import time

try:
    import pacman
except:
    pass

DRAW_EVERY = 1
SLEEP_TIME = 0  # This can be overwritten by __init__
DISPLAY_MOVES = False
QUIET = False  # Supresses output


class NullGraphics:
    def initialize(self, state, isBlue=False):
        pass

    def update(self, state):
        pass

    def checkNullDisplay(self):
        return True

    def pause(self):
        time.sleep(SLEEP_TIME)

    def draw(self, state):
        print(state)

    def updateDistributions(self, dist):
        pass

    def finish(self):
        pass


class PacmanGraphics:
    def __init__(self, speed=None):
        if speed != None:
            global SLEEP_TIME
            SLEEP_TIME = speed

    def initialize(self, state, isBlue=False):
        self.draw(state)
        self.pause()
        self.turn = 0
        self.agentCounter = 0

    def update(self, state):
        numAgents = len(state.agentStates)
        self.agentCounter = (self.agentCounter + 1) % numAgents
        if self.agentCounter == 0:
            self.turn += 1
            if DISPLAY_MOVES:
                ghosts = [
                    pacman.nearestPoint(state.getGhostPosition(i))
                    for i in range(1, numAgents)
                ]
                print(
                    "%4d) P: %-8s"
                    % (self.turn, str(pacman.nearestPoint(state.getPacmanPosition()))),
                    "| Score: %-5d" % state.score,
                    "| Ghosts:",
                    ghosts,
                )
            if self.turn % DRAW_EVERY == 0:
                self.draw(state)
                self.pause()
        if state._win or state._lose:
            self.draw(state)

    def pause(self):
        time.sleep(SLEEP_TIME)

    def draw(self, state):
        print(state)

    def finish(self):
        pass