dataClassifier.py 文件源码

def basicFeatureExtractorPacman(state):
    """
    A basic feature extraction function.

    You should return a util.Counter() of features
    for each (state, action) pair along with a list of the legal actions

    ##
    """
    features = util.Counter()
    for action in state.getLegalActions():
        successor = state.generateSuccessor(0, action)
        foodCount = successor.getFood().count()
        featureCounter = util.Counter()
        featureCounter['foodCount'] = foodCount
        features[action] = featureCounter
    return features, state.getLegalActions()