cell_map.rb

MAP_MIN = 0
MAP_MAX = 3000
BLOCK_SIZE = 10
DEBUG = false
# [level1_rate, level2_rate, ...]
RATE = [
  25,
  20,
  15,
  11,
  9,
  6,
  5,
  4,
  3,
  2
]

# Check total rate is 100
raise "Error total rate. Should 100. But,current #{RATE.reduce(&:+) }" unless 100 == RATE.reduce(&:+)

@csv_str = ""
@current_id = 1

def convert_map
  debug_map = Array.new(BLOCK_SIZE).map{ Array.new(BLOCK_SIZE, 0) }
  RATE.each_with_index do |level_limit, level|
    used_level_num = 0
    loop do
      BLOCK_SIZE.times.sort_by{rand}.each do |block_x|
        BLOCK_SIZE.times.sort_by{rand}.each do |block_y|
          x = block_x
          y = block_y
          if (level_limit / 2) <= rand(level_limit) and 0 == debug_map[x][y]
            @csv_str += "#{@current_id}, #{level + 1}, #{x}, #{y}\n"
            used_level_num += 1
            debug_map[x][y] = {current_id: @current_id, level: level + 1, x: x, y: y}
            @current_id += 1
            break if used_level_num >= level_limit
          end
        end
        break if used_level_num >= level_limit
      end
      break if used_level_num >= level_limit
    end
  end
  debug_map
end

current_position_x = MAP_MIN
current_position_y = MAP_MIN
debug_map = Array.new(MAP_MAX).map{ Array.new(MAP_MAX, 0) }
((MAP_MAX/BLOCK_SIZE)).times.each do |x|
  ((MAP_MAX/BLOCK_SIZE)).times.each do |y|
    convert_map.each_with_index do |rows, row_x|
      current_x = row_x + current_position_x
      rows.each_with_index do |row, row_y|
        current_y = row_y + current_position_y
        debug_map[current_x][current_y] = {
          current_id: row[:current_id],
          level: row[:level],
          x: current_x,
          y: current_y
        }
      end
    end
    current_position_y += BLOCK_SIZE
  end
  current_position_x += BLOCK_SIZE
  current_position_y = MAP_MIN
end

if DEBUG
  line = ""
  debug_map.each do |x|
    x.each do |obj|
      line += "|#{obj[:level]}|"
    end
    p line
    line = ""
  end
else
  debug_map.each do |x|
    x.each do |obj|
      p "#{obj[:current_id]},#{obj[:level]},#{obj[:x]},#{obj[:y]}"
    end
  end
end