Class: Swint::Game

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

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ Game

Returns a new instance of Game.



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# File 'lib/swint/game.rb', line 10

def initialize(config)
  @config = config
  @robots = Hash.new
  @map = Swint::Map.new.load_from_xml(File.new(config.map).read)
  config.robots.each do |r|
    puts "connecting to robot: #{r}" if config.visual
    @robots[@robots.size+1] = Swint::XmlrpcRobot.new(r, @map.start) if r.is_a?(String)
    @robots[@robots.size+1] = Swint::ClassRobot.new(r, @map.start) if r.is_a?(Class)
  end
  @result = Result.new(@robots)
  @game_end = false
end

Instance Method Details

#hex_distance(pos1, pos2) ⇒ Object

might fail when map is rotated



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# File 'lib/swint/game.rb', line 148

def hex_distance(pos1, pos2) # might fail when map is rotated
  x, y = pos2.add(pos1.collect { |e| -e })
  a = 0
  a = (x==y) ? 2 : 1 if ((x < 0) && (y < 0)) || ((x > 0) && (y > 0))
  [x.abs, y.abs].max + a
end

#measure ⇒ Object 



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# File 'lib/swint/game.rb', line 142

def measure
  t = Time.now.to_f
  yield
  Time.now.to_f - t
end

#run ⇒ Object 



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# File 'lib/swint/game.rb', line 23

def run
  system "clear" if @config.visual
  counter = 0
  @result.start = Time.now
  until @game_end
    counter += 1
    no_robot_left = true
    @robots.to_a.shuffle.each do |robot|
      k, r = robot
      r.speed.times do |step|
        if !@game_end
          answer = :do_nothing
          dt = measure { answer = r.next(@map) } if r.has_energy?
          case answer
            
          when :move_to
            no_robot_left = false
            if r.use_energy?
              dir = nil
              dt += measure { dir = r.move }
              npos = r.pos.add(DIRV[dir])
              nstate = @map.state_of_field(npos)
              if nstate==:goal
                @robots.each { |key, b| b.end_game( (b==r) ? 'winner' : 'looser' ) }
                @result.winner = k
                @game_end = true
              end
              if [:free, :energy, :start].include?(nstate)
                f, p = @map.fields[npos], @map.fields[r.pos]
                r.restore if f.state==:energy
                p.robot = false
                f.robot = true
                r.pos = npos
              end
            end
            
          when :push_object
            no_robot_left = false
            if r.use_energy?
              dir = nil
              dt += measure { dir = r.push }
              opos = r.pos.add(DIRV[dir])
              ppos = opos.add(DIRV[dir])
              ostate = @map.state_of_field(opos)
              pstate = @map.state_of_field(ppos)
              
              if pstate==:free || pstate==:energy
                if ostate==:object
                  if r.power >= @map.fields[opos].weight
                    @map.fields[ppos].weight = @map.fields[opos].weight
                    @map.fields[opos].weight = 0
                  end
                end
                if ostate==:robot
                  rob = @robots.values.select { |ro| ro.pos==opos }.first
                  if r.power >= rob.weight
                    rob.pos = ppos
                    rob.restore if pstate==:energy
                    @map.fields[opos].robot = false
                    @map.fields[ppos].robot = true
                  end
                end
              end
              
            end

          when :shout
            no_robot_left = false
            dt += measure { msg = r.shout }
            @robots.each do |rid, rob|
              next if rid==k
              rob.listen(msg) if hex_distance(r.pos, rob.pos) <= r.voice * 10
            end
            
          end
          
          @result.step(k, dt || 0)
          # end of step
          visualize(counter, step) if @config.visual && @config.step
          
        end
        
      end
      
      # end of robot
      
    end
    
    # end of turn
    visualize(counter) if @config.visual && !@config.step
    
    if no_robot_left
      @robots.each { |k, b| b.end_game('looser') }
      @game_end = true
    end
    
  end
  
  # end of game
  @result.rounds = counter
  @result.end = Time.now
  @result
  
end

#visualize(round, step = nil) ⇒ Object 



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# File 'lib/swint/game.rb', line 128

def visualize(round, step=nil)
  system "tput cup 0 0"
  print "ROUND: #{round}"
  print " | STEP: #{step}" if step
  puts
  flags = {}
  @robots.each do |k, r|
    puts "%s. [% 2s/% 2s] %s" % [k, r.energy_left, r.energy, r]
    flags.merge!(r.flags) if !@game_end && @config.test
  end
  @map.print_map(@robots, flags)
  gets if @config.wait
end