Rubywarrior epic intermediate AI solution

player.rb

class Player
  def decide_direction
    if (@warrior.listen.empty?) then
      @direction = @warrior.direction_of_stairs;
      return;
    end;
    @warrior.listen.each do |neighbour|
      @direction = @warrior.direction_of(neighbour);
      next if (@warrior.feel(@direction).stairs?);
      if (@ticking > 0) then
        if (neighbour.ticking?) then
          @direction_ticking = @direction;
          break; 
        else
          next
        end
      end
      if (@enemies > 0) then # если рядом есть враги, не отвлекаться на дальних
        next if (not @warrior.feel(@direction).enemy?);
      end
      return if (neighbour.enemy?);
      return if (neighbour.captive? and is_safe?);
    end

    if (@ticking > 0) then
      return if (@warrior.feel(@direction).empty?);
      if (@enemies > 1) then
        [:forward, :backward, :right, :left].each do |direction|
          next if direction == @direction;
          @direction = direction;
          return if (@warrior.feel(@direction).enemy?);
        end
      else
        return;
      end
    end

    [:forward, :backward, :right, :left].each do |direction|
      @direction = direction;
      return if (@warrior.feel(@direction).empty? and not @warrior.feel(@direction).stairs?);
    end
  end

  def decide_turn
# боец в безопасности - лечимся, но если только это необходимо
    if (is_safe? and need_heal?) then
      return @warrior.rest!;
    end
    if (@warrior.feel(@direction).enemy?) then
      if (@ticking > 0 and @enemies > 1 and @direction != @direction_ticking) then
        return @warrior.bind!(@direction);
      end
      if (@enemies > 1) then
        return @warrior.bind!(@direction);
      end
      if (@captives_front == 0 and @warrior.look.first.enemy? and @warrior.look[1].enemy?) then
        return @warrior.detonate! if (@enemies_total < 3 and @warrior.health > 4 );
        return @warrior.detonate! if (@enemies == 1 and @warrior.health > 10 );
      end
      return @warrior.attack!(@direction);
    end
    if (@warrior.feel(@direction).captive? and (@ticking > 0 or @enemies == 0)) then
      return @warrior.rescue!(@direction);
    end
    if (@warrior.feel(@direction).empty?) then
      return @warrior.walk!(@direction);
    end
  end
  
  def is_safe?
    return false if (@warrior.health < @health or @enemies > 0);
    return true;
  end
  
  def need_heal?
    return true if (@ticking == 0 and @warrior.health < @max_health);
    return true if (@warrior.health < 15 and @enemies_total > 2);
    return false;
  end

  def count_enemies()
    @enemies = 0;
    @enemies_front = 0;
    @enemies_total = 0;
    @captives = 0;
    @captives_front = 0;
    [:left, :right, :forward, :backward].each do |direction|
      if (@warrior.feel(direction).enemy?) then
        @enemies = @enemies + 1;
      end;
      if (@warrior.feel(direction).captive?) then
        @captives = @captives + 1;
      end
    end
    @warrior.listen.each do |neighbour|
      if (neighbour.enemy?) then
        @enemies_total = @enemies_total + 1;
      end
    end
    @warrior.look.each do |space|
      if (space.enemy?) then
        @enemies_front = @enemies_front + 1;
      end
      if (space.captive?) then
        @captives_front = @captives_front + 1;
      end
    end
  end

  def count_ticking()
    @ticking = 0;
    @warrior.listen.each do |neighbour|
      if (neighbour.ticking?) then @ticking = @ticking + 1 end;
    end
  end
  
  def play_turn(warrior)
    @warrior = warrior
    if (@max_health.nil?) then
      @max_health = warrior.health;
      @health = warrior.health;
    else
      if (@health > @max_health) then
        @max_health = @health;
      end
    end
    count_enemies();
    count_ticking();
    decide_direction();
    decide_turn();
    @health = warrior.health;
  end

end