Class: Astromapper::Svg

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

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ Svg

Returns a new instance of Svg.



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# File 'lib/astromapper/svg.rb', line 6

def initialize(filename)
  @rows     = 40
  @columns  = 32
  @source_filename = filename
  sectorname = filename.gsub(File.extname(filename), '')
  @svg_filename    = sectorname + '.svg'
  @side    = 40
  @factor  = 1.732
  @height  = (@side * @factor * (@rows + 0.5)).ceil
  @width   = (@side * (@columns * 1.5 + 0.5)).ceil
  @mark    = 13
  @zones   = []
  @volumes = []
  # @routes  = {}
  @routes = []
  @slopes = {}
  @name = config['name']

  @hex = {
    :side_h => (@side * (@factor / 2)).tweak,
    :side_w => (@side / 2).tweak,
    :width  => @side
  }
end

Instance Method Details

#build_routes ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 55

def build_routes
  routes = ["<g class='routes'>"]
  keys = @volumes.map do |v|
    v[0..3]
  end.sort
  @slopes = {}
  paths = {
    "0"  => (-4..4).to_a,
    "1"  => (-3..3).to_a,
    "2"  => (-3..3).to_a,
    "3"  => (-2..2).to_a,
    "4"  => (-2..2).to_a,
  }
  keys.each do |k|
    x = k[0..1].to_i
    y = k[2..3].to_i
    @slopes[k] = []
    paths.keys.each do |pk|
      [pk.to_i, pk.to_i * -1].each do |m|
        paths[pk].each do |n|
          x1 = (x + m)
          y1 = (y + n)
          c = "%02d%02d" % [x1, y1]
          k = "%02d%02d" % [x, y]
          puts "#{k}:#{c} (#{x}, #{y}) (#{x1}, #{y1}) / (#{pk}:#{paths[pk].inspect}):(#{m}:#{n})"
          routes << calc_route(keys,x,x1,y,y1)
        end
      end
    end
  end
  routes << "</g>"
  routes.compact.join("\n")
end

#calc_route(keys, x, x1, y, y1) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 33

def calc_route(keys,x,x1,y,y1)
  route = nil
  c = "%02d%02d" % [x1, y1]
  k = "%02d%02d" % [x, y]
  # puts "#{k}:#{c} (#{x}, #{y}) (#{x1}, #{y1})"
  # Calcuate Route Distance
  d = Math.sqrt((x - x1)**2 + (y - y1)**2).round(0)
  return route if d == 0

  # Calculate Route Slope to avoid slope collisions
  s = ((x1 - x) == 0) ? 0 :  ((y1 - y) / (x1 - x))
  # return route if (@slopes[k].include?(s))

  if (keys.include?(c) and !@routes.include?("#{k}#{c}"))
    a = center_of(k)
    b = center_of(c)
    @slopes[k] << s
    @routes << "#{c}#{k}" # reverse look-up.
    route = "<!-- #{k} > #{c} --><line class='line#{d}' x1='#{a[0]}' y1='#{a[1]}' x2='#{b[0]}' y2='#{b[1]}' />"
  end
  return route
end

#center_of(locx) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 191

def center_of(locx)
  column = locx[0..1].to_i
  row    = locx[2..3].to_i
  x      = @side + ((column - 1) * @side * 1.5) # 40 + ((COL - 1) * 60 )
  y      = (row - 1) * @side * @factor + (@side * @factor / (1 + (column % 2)))
  return [x.tweak,y.tweak]
end

#config ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 3

def config
  Astromapper.config
end

#consulate(c) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 323

def consulate(c);
    return "<!-- Consulate --><text class='symbol' x='#{(c[0]-(@side/1.5)).to_i}' y='#{(c[1]+(@side/7)).to_i}'>\u2691</text>\n"
end

#convert ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 88

def convert
  from_file

  svg = []
  svg << header
  svg << tract_marks
  svg << hex_grid
  svg << build_routes
  svg << @volumes.map {|v| world(v) }
  svg << volumes
  svg << frame
  svg << footer
  File.open(@svg_filename,'w').write(svg.flatten.join("\n"))
end

#draw_belt(c) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 262

def draw_belt(c)
  output = "    <g class='belt'>\n"
  7.times do
    x = c[0] + Random.rand(@side/3) - @side/6
    y = c[1] + Random.rand(@side/3) - @side/6
    output += "      <circle class='belt' cx='#{x.to_i}' cy='#{y.to_i}' r='#{(@side/15).tweak}' />\n"
  end
  output + "    </g>\n"
end

#draw_planet(c, w) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 258

def draw_planet(c,w)
  k = (w[3] == '0') ? 'Desert' : 'Planet'
   "    <circle class='planet' cx='#{c[0].to_i}' cy='#{c[1].to_i}' r='#{(@side/7).to_i}' />\n"
end

#footer ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 102

def footer
  return "</svg>"
end

#frame(k = 'Frame') ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 271

def frame(k='Frame')
  style = k.to_sym
  z = 0; w = @width.to_i - 0; h = @height.to_i - z;
  "    <polyline class='frame' points='#{z},#{z} #{w},#{z} #{w},#{h} #{z},#{h} #{z},#{z}' />"
end

#from_file ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 30

def from_file
  File.open(@source_filename,'r').readlines.each { |line| @volumes << line if /^\d{4}/.match(line) }
end

#gas_giant(c) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 311

def gas_giant(c)
  x = (c[0]+(@side/1.8)).tweak; y = (c[1]+(@side/3)).tweak;
  return<<-GIANT
  <g class='gas-giant'><!-- Has Gas Giant -->
    <ellipse cx='#{x.to_i}' cy='#{y.to_i}' rx='#{(@side/(@mark * 0.5)).to_i}' ry='#{(@side/@mark * 0.3).tweak}' />
    <circle cx='#{x.to_i}' cy='#{y.to_i}' r='#{(@side/(@mark * 1.2)).to_i}' />
  </g>
  GIANT
end

#header ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 105

def header
  return<<-EOS
<?xml version="1.0" standalone="no"?>
  <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg width="#{@width}px" height="#{@height}px" version="1.1" xmlns="http://www.w3.org/2000/svg">
  <desc>Subsector Map Grid</desc>
  <style>
svg {
  fill: #FFF;
}
text {
  text-anchor: middle;
  fill: #567;
  font: 8px sans-serif;
}
text.tract {
  text-anchor: left;
  fill: #eed;
  font: 120px sans-serif;
}
text.namestamp {
  font-size: 13px;
}
text.symbol {
  font-size: 14px;
  fill: #222;
}
g.volumes text {
  fill: #DDD;
}
line {
  opacity: 0.5;
  stroke-linecap: round;
}
line.line1 {
  stroke: #666;
  stroke-width:4;
}
line.line2 {
  stroke: #69C;
  stroke-width:3;
}
line.line3 {
  stroke: #C96;
  stroke-width:2;
  stroke-dasharray: 5, 5, 1, 5;
}
line.line4 {
  stroke: #C66;
  stroke-width:1;
  stroke-dasharray: 2,6;
}
polyline {
  fill: none;
  stroke: #DDD;
  stroke-width: 1;
}
g.gas-giant {
  stroke: #034;
}
g.gas-giant circle {
  fill:   #034;
  stroke: #034;
  stroke-width:1;
}
g.gas-giant ellipse {
  stroke: #034;
  stroke-width: 1;
}
circle {
  fill: #222;
  stroke: #fff;
  stroke-width: 1;
}
.zone {
  fill: none;
  stroke: #B90;
  stroke-width: 3;
  stroke-dasharray: 3,6;
  stroke-linecap: round;
}
  </style>
  <rect width='#{@width}' height='#{@height}' />
  EOS
end

#hex_grid ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 334

def hex_grid; (@rows * 3 + 2).times.map { |j| hex_row((j/2).floor, (j % 2 != 0)) };
end

#hex_row(row, top = false) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 339

def hex_row(row, top=false)
  ly = (row * 2 * @hex[:side_h]) + @hex[:side_h]
  points = []
  x = 0; y = 0
  (@columns/2).ceil.times do |j|
    x = j * @side * 3
    y = ly
    points << "#{x.to_i},#{y.to_i}"

    x += @hex[:side_w]
    y = (top) ? y - @hex[:side_h] : y + @hex[:side_h]
    points << "#{x.to_i},#{y.to_i}"

    x += @hex[:width]
    points << "#{x.to_i},#{y.to_i}"

    x += @hex[:side_w]
    y = (top) ? y + @hex[:side_h] : y - @hex[:side_h]
    points << "#{x.to_i},#{y.to_i}"

    x += @hex[:width]
    points << "#{x.to_i},#{y.to_i}"
  end
  x += @hex[:side_w]
  y = (top) ? y - @hex[:side_h] : y + @hex[:side_h]
  points << "#{x.to_i},#{y.to_i}"
  "    <polyline points='#{points.join(' ')}' />"
end

#namestamp ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 336

def namestamp
  return "<text class='namestamp' x='30' y='2800'>#{@name}</text>"
end

#navy_base(c) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 330

def navy_base(c);
  return "<!-- Navy Base --><text class='symbol' x='#{c[0]-(@side/1.8)}' y='#{c[1]-(@side/6)}'>\u2693</text>\n"
  '<!-- NB -->' +polygon(c[0]-(@side/1.8), c[1]-(@side/3.7), @side/(@mark/2), @side/@mark, 5);
end

#pirates(c) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 320

def pirates(c);
    return "<!-- Pirates --><text class='symbol' x='#{(c[0]-(@side/3.1)).to_i}' y='#{(c[1]+(@side/7)).to_i}'>\u2620</text>\n"
end

#polygon(x, y, sx, sy, sides = 4) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 307

def polygon(x, y, sx, sy, sides=4)
  polygon = star_coords(sx, sy, sides).map { |c| "#{(x + c[0]).to_i},#{(y.tweak+c[1]).to_i}" }
  "    <polygon points='#{polygon.join(' ')}' />\n"
end

#scout_base(c) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 326

def scout_base(c);
    return "<!-- Scout Base --><text class='symbol' x='#{(c[0]-(@side/1.8)).to_i}' y='#{(c[1]+(@side/2.4)).to_i}'>\u269C</text>\n"
  '<!-- SB -->' + polygon(c[0]-(@side/1.8),c[1]+(@side/3.7), @side/(@mark/2), @side/@mark, 3);
end

#star_coords(r1, r2, points) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 198

def star_coords(r1,r2,points)
  pangle = 2*@@pi/points
  sangle = @@pi/points
  oangle = @@pi/-2
  coords = []
  points.times do |j|
    coords << [r1 * Math::cos(pangle * j + oangle), r1 * Math::sin(pangle * j + oangle)]
    coords << [r2 * Math::cos((pangle * j) + sangle + oangle), r2 * Math::sin((pangle * j) + sangle + oangle)]
  end
  return coords
end

#stars(c, stars) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 247

def stars(c,stars)
  output = ''
  x = (c[0]+(@side/1.8)).tweak + 2
  y = (c[1]-(@side/3)).tweak + 3
  stars.split('/').each do |star|
    output += "    <text x='#{x.to_i}' y='#{y.to_i}'>#{star[0..1].strip}</text>\n"
    x += 3
    y += 7
  end
  output
end

#tract_marks ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 276

def tract_marks
  height = (@height / 4).floor
  width  = (@width / 4).ceil
  # width -= 2

  output = ''
  letters = ('A'..'P').to_a
  5.times do |r|
    h1 = ((height.floor * r) - (8*r)).to_i; h2 = (h1 + height - 8).to_i
    w2 = 0
    4.times do |c|
      w1 = w2.to_i; w2 += (width - [-4,4,5,-4][c]).to_i
      output += "    <text class='tract' x='#{w1 + 70}' y='#{h1 + 110}'>#{letters.shift}</text>\n"
      output += "    <polyline class='tract' points='#{w1},#{h1} #{w2},#{h1} #{w2},#{h2} #{w1},#{h2} #{w1},#{h1}' />\n"
      # raise output
    end
  end
  output += namestamp
  return output
end

#volumes ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 296

def volumes
  output = "<g class='volumes'>"
  (@rows+2).times do |r|
    (@columns+1).times do |c|
      x = @side + ((c-1) * @side * 1.5)
      y = (c % 2 == 1) ? (r-1) * @side * @factor + (0.2 * @side) : (r-1) * @side * @factor + @hex[:side_h]+ (0.2 * @side)
      output += "<text x='#{x.to_i}' y='#{y.to_i}'>%02d%02d</text>\n" % [c,r]
    end
  end
  output += "</g>"
end

#world(volume) ⇒ Object 



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# File 'lib/astromapper/svg.rb', line 209

def world(volume)
  # TAB 0 - World Details
  # 0. Location
  # 1. UWP
  # 2. Temp
  # 3. NSG (Features)
  # 4. Travel Zone
  # TAB 1 - Trade Codes
  # TAB 2 - Factions
  # TAB 3 - Name
  #1101 A505223-B  ..G.. »·IC,Lo,Va       »N,O,N   »·G0V  »Omivarium
  details, trades, factions, star, name = volume.split(/\t/)

  locx, uwp, temp, nsg, zone = details.split(/\s+/)

  spaceport = uwp[0]
  size      = uwp[1]
  c         = center_of(locx) # get Location's x,y Coordinates
  curve = @side / 2

  output =  "<!-- Volume: #{volume.strip.gsub(/\t/,' // ')} -->\n"
  output +=  (size == '0') ? draw_belt(c) : draw_planet(c,uwp)
  output += "    <text class='spaceport' x='#{c[0].to_i}' y='#{(c[1] + @side / 2).to_i}'>#{spaceport.strip}</text>\n"
  output += "    <text x='#{c[0].to_i}' y='#{(c[1]+(@side/1.3)).to_i}'>#{uwp.strip}</text>\n"
  output += "    <text x='#{c[0].to_i}' y='#{(c[1]-(@side/2.1)).to_i}'>#{name.strip}</text>\n"
  unless zone == '..'
    style = zone + '_zone'
    output += "    <path class='zone' d='M #{(c[0] - curve/2).to_i} #{(c[1] - (curve/1.4)).to_i} a #{curve} #{curve} 0 1 0 20 0' />\n"
  end
  output += navy_base(c)  if nsg.include?('N')
  output += scout_base(c) if nsg.include?('S')
  output += gas_giant(c)  if nsg.include?('G')
  output += consulate(c)  if nsg.include?('C')
  output += pirates(c)    if nsg.include?('P')
  output += stars(c,star)
  output

end