Class: Gingham::MoveSimulator

Inherits:
Object
  • Object
show all
Defined in:
lib/gingham/move_simulator.rb

Class Method Summary collapse

Class Method Details

.next_step(current_step_index, actors) ⇒ Object 



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# File 'lib/gingham/move_simulator.rb', line 4

def next_step(current_step_index, actors)
  actors.each do |actor|
    actor.move_status = Gingham::MoveStatus::FINISHED unless actor.move_steps[current_step_index + 1]
  end

  grouped = actors.reject{ |actor| actor.move_end? }.group_by{ |actor| actor.move_steps[current_step_index + 1].cell }
  grouped.each do |goal, group|
    if actors.map{ |a| a.waypoint.cell }.include? goal
      # ゴール地点に誰かいる場合

      # 方向転換の場合、ゴール地点に自分自身がいることになることに注意

      winner = actors.select{ |a| a.waypoint.cell == goal }.first
      losers = group.reject{ |actor| actor.object_id == winner.object_id }
      all_in_goal = [winner, losers].flatten.compact
    else
      # ゴール地点に誰もいない場合

      max_weight = group.map(&:weight).max
      winner = group.select{ |actor| actor.weight == max_weight }.sample
      winner.waypoint = winner.move_steps[current_step_index + 1]
      winner.move_status = Gingham::MoveStatus::DEFAULT
      losers = group.reject{ |actor| actor.object_id == winner.object_id }
      all_in_goal = [winner, losers].flatten.compact
    end

    if all_in_goal.map(&:team_id).uniq.size == 1
      # 全員同じチームの場合

      losers.each do |loser|
        loser.move_status = Gingham::MoveStatus::STAY
        # 足踏みステップを挿入

        loser.move_steps = loser.move_steps.insert(current_step_index, loser.move_steps[current_step_index])
      end
    else
      # 敵チームを含んでいる場合

      winner.move_steps = winner.move_steps[0..(current_step_index + 1)]
      winner.move_status = Gingham::MoveStatus::STOPPED
      losers.each do |loser|
        loser.move_status = Gingham::MoveStatus::STOPPED
        loser.move_steps = loser.move_steps[0..current_step_index] # 以降のmove_stepsを削除

      end
    end
  end
  actors
end

.record(actors) ⇒ Object 



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# File 'lib/gingham/move_simulator.rb', line 47

def record(actors)
  all_moved = actors.select(&:move_end?).size == actors.size
  all_stayed = actors.reject(&:move_end?).map(&:move_status).uniq.first == Gingham::MoveStatus::STAY

  index = 0
  records = [MoveFrame.new(index, actors)]
  until all_moved || all_stayed
    actors = self.next_step(index, actors)
    index += 1
    records << MoveFrame.new(index, actors)

    all_moved = actors.select(&:move_end?).size == actors.size
    all_stayed = actors.reject(&:move_end?).map(&:move_status).uniq.first == Gingham::MoveStatus::STAY
  end

  records
end