gamemap.rb

WIDTH = 80
HEIGHT = 25

def show_map(map)
  map.each do |row|
    row.each do |cell|
      print cell
    end
    puts ''
  end
end

def fill_map(map)
  map.each_with_index do |row, i|
    row.each_with_index do |f, j|
      roll = rand(100)
      if roll > 65
        cell = '▩'  # Wall
      elsif roll < 2
        cell = '!'  # Quest
      elsif roll < 7
        cell = '@'  # Enemy
      else
        cell = ' '
      end
      map[i][j] = cell  #"#{cell}"
    end
  end
  map[0][0] = '%'
  map[HEIGHT-1][WIDTH-1] = '*'
end

map = Array.new(HEIGHT) { Array.new(WIDTH) { '.' } }
fill_map(map)
show_map(map)