RTanque-jfoy-0.0.1

RTanque-jfoy-0.0.1

class Jfoy < RTanque::Bot::Brain
  NAME = 'jfoy'
  include RTanque::Bot::BrainHelper

  # Plagiarized entirely from
  # sample_bots/seek_and_destroy.rb

  TURRET_FIRE_RANGE = RTanque::Heading::ONE_DEGREE * 5.0

  def tick!
    @desired_heading ||= nil
    @last_known_heading ||= nil

    if (lock = self.get_radar_lock)
      self.destroy_lock(lock)
      @desired_heading = nil
    else
      self.seek_lock
    end
  end

  def destroy_lock(reflection)
    @last_known_heading = reflection.heading
    command.heading = reflection.heading + ( RTanque::Heading::HALF_ANGLE / 2.0 )
    command.radar_heading = reflection.heading
    command.turret_heading = reflection.heading
    command.speed = reflection.distance > 200 ? MAX_BOT_SPEED : MAX_BOT_SPEED / 2.0
    if (reflection.heading.delta(sensors.turret_heading)).abs < TURRET_FIRE_RANGE
      command.fire(reflection.distance > 200 ? MAX_FIRE_POWER : MIN_FIRE_POWER)
    end
  end

  def seek_lock
    if sensors.position.on_wall?
      @desired_heading = sensors.heading + RTanque::Heading::HALF_ANGLE
    end
    command.radar_heading = seek_radar_heading(sensors.radar_heading)
    command.speed = 1
    if @desired_heading
      command.heading = @desired_heading
      command.turret_heading = @desired_heading
    end
  end

  def seek_radar_heading(radar_heading)
    command.radar_heading = radar_heading + MAX_RADAR_ROTATION
##     if !@was_locked and !@brackets
##       command.radar_heading = radar_heading + MAX_RADAR_ROTATION
##     elsif @was_locked
##       @was_locked = nil
##       @brackets = [ @last_known_heading - RTanque::Heading::EIGHTH_ANGLE, @last_known_heading + RTanque::Heading::EIGHTH_ANGLE ]
##       command.radar_heading = @brackets.first
##     elsif radar_heading == @brackets.first
##       command.radar_heading = @brackets.last
##     elsif radar_heading == @brackets.last
##       @brackets = @brackets.map {|b| b * 1.5}
##       command.radar_heading = @brackets.first
##     else
##       command.radar_heading = radar_heading + RTanque::Heading::EIGHTH_ANGLE
##     end

  end

  def get_radar_lock
    @locked_on ||= nil
    lock = if @locked_on
      sensors.radar.find { |reflection| reflection.name == @locked_on } || sensors.radar.first
    else
      sensors.radar.first
    end
    @was_locked = true if @locked_on
    @locked_on = lock.name if lock
    lock
  end
end