Class: RTanque::Bot

Inherits:
Object
  • Object
show all
Extended by:
NormalizedAttr
Includes:
Movable
Defined in:
lib/rtanque/bot.rb,
lib/rtanque/bot/brain.rb,
lib/rtanque/bot/radar.rb,
lib/rtanque/bot/turret.rb,
lib/rtanque/bot/command.rb,
lib/rtanque/bot/sensors.rb,
lib/rtanque/bot/brain_helper.rb

Defined Under Namespace

Modules: BrainHelper Classes: Brain, Command, Radar, Sensors, Turret

Constant Summary collapse

HEALTH_REDUCTION_ON_EXCEPTION = 
Configuration.bot.health_reduction_on_exception
RADIUS = 
Configuration.bot.radius
MAX_GUN_ENERGY = 
Configuration.bot.gun_energy_max
GUN_ENERGY_FACTOR = 
Configuration.bot.gun_energy_factor

Constants included from NormalizedAttr

NormalizedAttr::MAX_DELTA

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from NormalizedAttr

attr_normalized, normalized_attrs

Methods included from Movable

#arena=, #bound_to_arena, #heading, #heading=, #position, #position=, #speed, #speed=, #update_position

Constructor Details

#initialize(arena, brain_klass = Brain) ⇒ Bot

Returns a new instance of Bot.



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# File 'lib/rtanque/bot.rb', line 26

def initialize(arena, brain_klass = Brain)
  @arena = arena
  @brain = brain_klass.new(self.arena)
  @ticks = 0
  self.health = self.class::MAX_HEALTH
  self.speed = 0
  self.fire_power = nil
  self.heading = Heading.new
  self.position = Point.new(0, 0, self.arena)
  @radar = Radar.new(self, self.heading.clone)
  @turret = Turret.new(self.heading.clone)
end

Instance Attribute Details

#arena ⇒ Object (readonly)

Returns the value of attribute arena.



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# File 'lib/rtanque/bot.rb', line 9

def arena
  @arena
end

#brain ⇒ Object (readonly)

Returns the value of attribute brain.



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# File 'lib/rtanque/bot.rb', line 9

def brain
  @brain
end

#fire_power ⇒ Object

Returns the value of attribute fire_power.



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# File 'lib/rtanque/bot.rb', line 9

def fire_power
  @fire_power
end

#gui_window ⇒ Object

Returns the value of attribute gui_window.



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# File 'lib/rtanque/bot.rb', line 10

def gui_window
  @gui_window
end

#gun_energy ⇒ Object (readonly)

Returns the value of attribute gun_energy.



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# File 'lib/rtanque/bot.rb', line 9

def gun_energy
  @gun_energy
end

#health ⇒ Object

Returns the value of attribute health.



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# File 'lib/rtanque/bot.rb', line 9

def health
  @health
end

#radar ⇒ Object (readonly)

Returns the value of attribute radar.



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# File 'lib/rtanque/bot.rb', line 9

def radar
  @radar
end

#ticks ⇒ Object (readonly)

Returns the value of attribute ticks.



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# File 'lib/rtanque/bot.rb', line 9

def ticks
  @ticks
end

#turret ⇒ Object (readonly)

Returns the value of attribute turret.



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# File 'lib/rtanque/bot.rb', line 9

def turret
  @turret
end

Class Method Details

.new_random_location(*args) ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 16

def self.new_random_location(*args)
  self.new(*args).tap do |bot|
    rand_heading = Heading.rand
    bot.position = Point.rand(bot.arena)
    bot.heading = rand_heading
    bot.radar.heading = rand_heading
    bot.turret.heading = rand_heading
  end
end

Instance Method Details

#adjust_fire_power ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 51

def adjust_fire_power
  @gun_energy ||= MAX_GUN_ENERGY
  if @gun_energy <= 0
    self.fire_power = 0
  else
    @gun_energy -= (self.fire_power**RTanque::Shell::RATIO) * GUN_ENERGY_FACTOR
  end
  @gun_energy += 1
  @gun_energy = MAX_GUN_ENERGY if @gun_energy > MAX_GUN_ENERGY
end

#dead? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rtanque/bot.rb', line 70

def dead?
  self.health <= self.class::MIN_HEALTH
end

#execute_command(command) ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 94

def execute_command(command)
  self.fire_power = self.normalize_fire_power(self.fire_power, command.fire_power)
  self.speed = self.normalize_speed(self.speed, command.speed)
  self.heading = self.normalize_heading(self.heading, command.heading)
  self.radar.heading = self.radar.normalize_heading(self.radar.heading, command.radar_heading)
  self.turret.heading = self.turret.normalize_heading(self.turret.heading, command.turret_heading)
end

#fire(power) ⇒ Object

Command provide output from the Brain about the current state of the Match

They are made available to Brain via RTanque::Bot::Brain#command

All values are bound. Setting an out-of-bounds value will result in it being set to the max/min allowed value.

Parameters:



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# File 'lib/rtanque/bot/command.rb', line 17

Command = Struct.new(:speed, :heading, :radar_heading, :turret_heading, :fire_power) do
  def fire(power = 3)
    self.fire_power = power
  end
end

#firing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rtanque/bot.rb', line 62

def firing?
  self.fire_power && self.fire_power > 0
end

#name ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 39

def name
  @name ||= self.brain.class.const_defined?(:NAME) ? self.brain.class.const_get(:NAME) : [self.brain.class.name, self.object_id].join(':')
end

#reduce_health(reduce_by) ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 66

def reduce_health(reduce_by)
  self.health -= reduce_by
end

#sensors ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 102

def sensors
  Sensors.new do |sensors|
    sensors.ticks = self.ticks
    sensors.health = self.health
    sensors.speed = self.speed
    sensors.position = self.position
    sensors.heading = self.heading
    sensors.radar = self.radar.to_enum
    sensors.radar_heading = self.radar.heading
    sensors.gun_energy = self.gun_energy
    sensors.turret_heading = self.turret.heading
    sensors.gui_window = self.gui_window
  end
end

#tick ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 74

def tick
  @ticks += 1
  self.tick_brain
  self.adjust_fire_power
  super
end

#tick_brain ⇒ Object 



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# File 'lib/rtanque/bot.rb', line 81

def tick_brain
  begin
    self.execute_command(self.brain.tick(self.sensors))
  rescue Exception => brain_error
    if Configuration.raise_brain_tick_errors
      raise brain_error
    else
      puts brain_error
      self.reduce_health(HEALTH_REDUCTION_ON_EXCEPTION)
    end
  end
end