Class: Mjai::Manue::Player::Scene

Inherits:
Object
  • Object
show all
Defined in:
lib/mjai/manue/player.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ Scene

Returns a new instance of Scene.



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# File 'lib/mjai/manue/player.rb', line 20

def initialize(params)
  
  visible_set = params[:visible_set]
  context = params[:context]
  hora_prob_estimator = params[:hora_prob_estimator]
  num_remain_turns = params[:num_remain_turns]
  current_shanten_analysis = params[:current_shanten_analysis]
  furos = params[:furos]
  sutehai_cands = params[:sutehai_cands]
  score_type = params[:score_type]
  @player = params[:player]
  
  tehais = current_shanten_analysis.pais
  scene = hora_prob_estimator.get_scene({
      :visible_set => visible_set,
      :num_remain_turns => num_remain_turns,
      :current_shanten => current_shanten_analysis.shanten,
  })
  
  @evals = {}
  for pai in sutehai_cands
    #p [:pai, pai]
    eval = DahaiEval.new()
    if pai
      idx = tehais.index(pai)
      remains = tehais.dup()
      remains.delete_at(idx)
      shanten_analysis = ShantenAnalysis.new(
          remains, current_shanten_analysis.shanten, [:normal])
      eval.cheapness = pai.type == "t" ? 5 : (5 - pai.number).abs
    else
      remains = tehais
      shanten_analysis = current_shanten_analysis
    end
    # TODO Reuse shanten_analysis
    eval.prob_info = scene.get_tehais(remains)
    eval.points_estimate = HoraPointsEstimate.new({
        :shanten_analysis => shanten_analysis,
        :furos => furos,
        :context => context,
    })
    eval.expected_points =
        eval.points_estimate.average_points * eval.prob_info.hora_prob
    case score_type
      when :expected_points
        eval.score =
            [eval.expected_points, eval.prob_info.progress_prob, eval.cheapness]
      when :progress_prob
        eval.score = [eval.prob_info.progress_prob, eval.cheapness]
      else
        raise("unknown score_type")
    end
    if eval.prob_info.progress_prob > 0.0
      # log("%s: ept=%d ppr=%.3f hpr=%.3f apt=%d (%s)\n" % [
      #     pai,
      #     eval.expected_points,
      #     eval.prob_info.progress_prob,
      #     eval.prob_info.hora_prob,
      #     eval.points_estimate.average_points,
      #     eval.points_estimate.yaku_debug_str,
      # ])
    end
    @evals[pai] = eval
  end
  
  max_score = @evals.values.map(){ |e| e.score }.max
  @best_dahais = @evals.keys.select(){ |pai| @evals[pai].score == max_score }
  @best_dahai = @best_dahais[rand(@best_dahais.size)]
  
end

Instance Attribute Details

#best_dahai ⇒ Object (readonly)

Returns the value of attribute best_dahai.



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# File 'lib/mjai/manue/player.rb', line 91

def best_dahai
  @best_dahai
end

#best_dahais ⇒ Object (readonly)

Returns the value of attribute best_dahais.



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# File 'lib/mjai/manue/player.rb', line 91

def best_dahais
  @best_dahais
end

#evals ⇒ Object (readonly)

Returns the value of attribute evals.



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# File 'lib/mjai/manue/player.rb', line 91

def evals
  @evals
end

Instance Method Details

#log(text) ⇒ Object 



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# File 'lib/mjai/manue/player.rb', line 93

def log(text)
  if @player
    @player.log(text)
  else
    print(text)
  end
end