Class: Swint::Map

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Map

Returns a new instance of Map.



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# File 'lib/swint/map.rb', line 12

def initialize
  @min, @max = [0, 0], [0, 0] # THIS IS AN ASUMPTION!
  @fields = Hash.new(:outside)
end

Instance Attribute Details

#fields ⇒ Object (readonly)

Returns the value of attribute fields.



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

def fields
  @fields
end

#start ⇒ Object (readonly)

Returns the value of attribute start.



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

def start
  @start
end

Instance Method Details

#draw_map(robots, flags) ⇒ Object 



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# File 'lib/swint/map.rb', line 55

def draw_map(robots, flags)
  output = []
  for y in @min[1]..@max[1]
    line = ''
    line += ' '*(y)
    for x in @min[0]..@max[0]
      s = state_of_field([x, y])
      c = s!=:robot ? CHAR[state_of_field([x, y])] : robotkey_at(robots, [x, y]).to_s
      pstr = [x, y].add(@start.collect { |s| -s })*'x'
      c = flags[pstr] if flags[pstr]
      line += c+' '
    end
    output << line
  end
  output.join("\n")+"\n"
end

#load_from_xml(xml) ⇒ Object 



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# File 'lib/swint/map.rb', line 17

def load_from_xml(xml)
  doc = REXML::Document.new(xml)
  doc.elements.each('map/field') do |e|
    v = e.attribute('v').value.to_i
    u = e.attribute('u').value.to_i
    s = e.attribute('state').value.to_sym
    w = nil
    if s==:object
      w = e.attribute('weight').value.to_i
      s = :free
    end
    f = Swint::Field.new(s, [u, v], w)
    @fields[f.pos] = f
    @min[0] = u if u < @min[0]
    @min[1] = v if v < @min[1]
    @max[0] = u if u > @max[0]
    @max[1] = v if v > @max[1]
    if s==:start
      @start = [u, v] 
      # f.robot = true # HACK!
    end
  end
  self
end

#print_map(robots, flags) ⇒ Object 



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# File 'lib/swint/map.rb', line 47

def print_map(robots, flags)
  w = ((@max[0]-@min[0])*2+(@max[1]-@min[1]))
  border = '='*(w+6)
  puts border
  print draw_map(robots, flags)
  puts border
end

#robotkey_at(robots, pos) ⇒ Object 



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# File 'lib/swint/map.rb', line 72

def robotkey_at(robots, pos)
  robots.each { |k, r| return k if r.pos==pos }
end

#state_of_field(pos) ⇒ Object 



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# File 'lib/swint/map.rb', line 42

def state_of_field(pos)
  v = @fields[pos]
  v.is_a?(Symbol) ? v : v.state
end