Class: Battlefield

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(width, height, timeout, seed, with_toolboxes, with_mines, merge, write_config) ⇒ Battlefield

Returns a new instance of Battlefield.



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# File 'lib/battlefield.rb', line 25

def initialize width, height, timeout, seed, with_toolboxes, with_mines, merge, write_config
  filename = "rrobots.yml"
  @config = Configuration::new
  @path_prefix = gem_path('config')
  config_sources  = [@path_prefix]
  config_sources.push "." if merge and File::exist?('./rrobots.yml') 
  config_sources.each do |filepath|
    file = YAML::load(File.open("#{filepath}/#{filename}")) 
    file.extend(Configuration_accessors)
    [:game, :toolboxes, :robots, :bullets, :battlefield].each do |accessor|
      @config.send(accessor).merge(file.send(accessor))
    end
  end
  
  @config.write_config if write_config
  @width = (width != self.config.battlefield[:width]) ? width : self.config.battlefield[:width]
  @height = (height != self.config.battlefield[:height]) ? height : self.config.battlefield[:height]
  @seed = seed
  @time = 0
  @robots = []
  @toolboxes = []
  @mines = []
  @with_mines = (self.config.mines[:with_mines] != with_mines)? with_mines : self.config.mines[:with_mines]
  @with_toolboxes = (self.config.toolboxes[:with_toolboxes] != with_toolboxes)? with_toolboxes : self.config.toolboxes[:with_toolboxes]
  @teams = Hash.new{|h,k| h[k] = [] }
  @bullets = []
  @explosions = []
  @timeout = timeout
  @game_over = false
  srand @seed
end

Instance Attribute Details

#bullets ⇒ Object (readonly)

Returns the value of attribute bullets.



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# File 'lib/battlefield.rb', line 13

def bullets
  @bullets
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/battlefield.rb', line 23

def config
  @config
end

#explosions ⇒ Object (readonly)

Returns the value of attribute explosions.



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# File 'lib/battlefield.rb', line 14

def explosions
  @explosions
end

#game_over ⇒ Object (readonly)

Returns the value of attribute game_over.



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# File 'lib/battlefield.rb', line 20

def game_over
  @game_over
end

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/battlefield.rb', line 10

def height
  @height
end

#mines ⇒ Object (readonly)

Returns the value of attribute mines.



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# File 'lib/battlefield.rb', line 16

def mines
  @mines
end

#robots ⇒ Object (readonly)

Returns the value of attribute robots.



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# File 'lib/battlefield.rb', line 11

def robots
  @robots
end

#seed ⇒ Object (readonly)

Returns the value of attribute seed.



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# File 'lib/battlefield.rb', line 18

def seed
  @seed
end

#teams ⇒ Object (readonly)

Returns the value of attribute teams.



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# File 'lib/battlefield.rb', line 12

def teams
  @teams
end

#time ⇒ Object (readonly)

Returns the value of attribute time.



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# File 'lib/battlefield.rb', line 17

def time
  @time
end

#timeout ⇒ Object (readonly)

how many ticks the match can go before ending.



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# File 'lib/battlefield.rb', line 19

def timeout
  @timeout
end

#toolboxes ⇒ Object (readonly)

Returns the value of attribute toolboxes.



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# File 'lib/battlefield.rb', line 15

def toolboxes
  @toolboxes
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/battlefield.rb', line 9

def width
  @width
end

#with_mines ⇒ Object (readonly)

Returns the value of attribute with_mines.



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# File 'lib/battlefield.rb', line 22

def with_mines
  @with_mines
end

#with_toolboxes ⇒ Object (readonly)

Returns the value of attribute with_toolboxes.



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# File 'lib/battlefield.rb', line 21

def with_toolboxes
  @with_toolboxes
end

Instance Method Details

#<<(object) ⇒ Object 



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# File 'lib/battlefield.rb', line 57

def << object
  case object
  when RobotRunner
    @robots << object
    @teams[object.team] << object
  when Bullet
    @bullets << object
  when Explosion
    @explosions << object
  when Toolbox
    @toolboxes << object 
  when Mine
    @mines << object
  end
end

#spawning_toolboxes ⇒ Object 



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# File 'lib/battlefield.rb', line 114

def spawning_toolboxes
    if rand(self.config.toolboxes[:spawning_chances]) == 10 and !self.game_over then 
      x = rand(self.width).to_i
      y = rand(self.height).to_i
      toolbox = Toolbox.new(self, x, y, 0, self.config.toolboxes[:energy_heal_points]) 
      self << toolbox
    end
end

#state ⇒ Object 



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# File 'lib/battlefield.rb', line 106

def state
  {:explosions => explosions.map{|e| e.state},
   :bullets => bullets.map{|b| b.state},
   :toolboxes => toolboxes.map{|t| t.state},
   :mines => mines.map{|m| m.state},
   :robots => robots.map{|r| r.state}}
end

#tick ⇒ Object 



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# File 'lib/battlefield.rb', line 73

def tick
  explosions.delete_if{|explosion| explosion.dead}
  explosions.each{|explosion| explosion.tick}

  toolboxes.delete_if{|toolbox| toolbox.dead}
  toolboxes.each{|toolbox| toolbox.tick}

  mines.delete_if{|mine| mine.dead}
  mines.each{|mine| mine.tick}

  bullets.delete_if{|bullet| bullet.dead}
  bullets.each{|bullet| bullet.tick}
  
  spawning_toolboxes if with_toolboxes

  robots.each do |robot|
    begin
      robot.send :internal_tick unless robot.dead
    rescue Exception => bang
      puts I18n.t('battlefield.robot_made_an_exception', :robot => robot)
      puts "#{bang.class}: #{bang}", bang.backtrace
      robot.instance_eval{@energy = -1}
    end
  end

  @time += 1
  live_robots = robots.find_all{|robot| !robot.dead}
  @game_over = (  (@time >= timeout) or # timeout reached
                  (live_robots.length == 0) or # no robots alive, draw game
                  (live_robots.all?{|r| r.team == live_robots.first.team})) # all other teams are dead
  not @game_over
end