class Mineswiper::Board

Constants

MINE_PERCENTAGE
OFFSETS
SIZE

Attributes

all_indices[R]
grid[RW]
lost[R]
savegame[RW]
won[R]

Public Class Methods

new(grid=Array.new(SIZE) { Array.new(SIZE) }) click to toggle source
# File lib/mineswiper/board.rb, line 12
def initialize(grid=Array.new(SIZE) { Array.new(SIZE) })
  @grid = grid
  @lost = false
  @won = false
  @all_indices = []
end

Public Instance Methods

assign_bomb_counts() click to toggle source
# File lib/mineswiper/board.rb, line 45
def assign_bomb_counts
  @all_indices.each do |pos|
    count_adjacent_bombs(pos)
  end
  return true
end
count_adjacent_bombs(pos) click to toggle source
# File lib/mineswiper/board.rb, line 60
def count_adjacent_bombs(pos)
  row, col = pos
  neighbors = find_neighbers(pos)
  neighbors.each do |neighbor|
    row2, col2 = neighbor
    if @grid[row2][col2].bomb?
      @grid[row][col].adj_bombs += 1
    end
  end
end
eval_move(pos) click to toggle source
# File lib/mineswiper/board.rb, line 118
def eval_move(pos)
  x, y = pos
  if grid[x][y].bomb
    @lost = true
  else
    reveal_titles(pos)
  end
end
find_neighbers(pos) click to toggle source
# File lib/mineswiper/board.rb, line 71
def find_neighbers(pos)
  row, col = pos
  neighbors = []
  OFFSETS.each do |pos|
    drow, dcol = [pos[0]+row, pos[1]+col]
    unless out_of_bounds?([drow, dcol])
      neighbors << [drow, dcol]
    end
  end
  neighbors
end
flag_pos(pos) click to toggle source
# File lib/mineswiper/board.rb, line 97
def flag_pos(pos)
  x, y = pos
  tile = @grid[x][y]
  return if tile.hidden == false
  tile.flagged? ? tile.flag = false : tile.flag_it
end
get_indices() click to toggle source
# File lib/mineswiper/board.rb, line 52
def get_indices
  (0...SIZE).each do |row|
    (0...SIZE).each do |col|
      @all_indices << [row, col]
    end
  end
end
in_bounds?(pos) click to toggle source
# File lib/mineswiper/board.rb, line 139
def in_bounds?(pos)
  pos.all? { |x| x.between?(0, SIZE-1) }
end
lost?() click to toggle source
# File lib/mineswiper/board.rb, line 104
def lost?
  @lost
end
make_random_tiles(pos) click to toggle source
# File lib/mineswiper/board.rb, line 35
def make_random_tiles(pos)
  bomb_status = title_roll
  Tile.new(pos, bomb_status)
end
out_of_bounds?(pos) click to toggle source
# File lib/mineswiper/board.rb, line 83
def out_of_bounds?(pos)
  drow, dcol = pos
  [drow, dcol].any? { |el| el < 0 || (el > (SIZE - 1))}
end
parse_input(input) click to toggle source
# File lib/mineswiper/board.rb, line 88
def parse_input(input)
  return if input == nil
  if input.include?(:flag)
    flag_pos(input[1])
  else
    eval_move(input)
  end
end
populate_mines() click to toggle source
# File lib/mineswiper/board.rb, line 25
def populate_mines
  # vals = [:bomb]
  @grid.each_index do |row|
    @grid[row].each_index do |column|
      @grid[row][column] = make_random_tiles([row, column])
    end
  end
  return true
end
prepared_board() click to toggle source
# File lib/mineswiper/board.rb, line 19
def prepared_board
  populate_mines
  get_indices
  assign_bomb_counts
end
reveal_titles(pos) click to toggle source
# File lib/mineswiper/board.rb, line 127
def reveal_titles(pos)
  x, y = pos
  return if grid[x][y].flagged?
  grid[x][y].hidden = false
  return if grid[x][y].adj_bombs > 0
  neighbors = find_neighbers([x, y])
  neighbors.each do |neighbor_pos|
    x, y = neighbor_pos
    reveal_titles(neighbor_pos) unless grid[x][y].hidden == false || grid[x][y].bomb
  end
end
title_roll() click to toggle source
# File lib/mineswiper/board.rb, line 40
def title_roll
  roll = rand(100)
  roll <= MINE_PERCENTAGE
end
won?() click to toggle source
# File lib/mineswiper/board.rb, line 108
def won?
  @all_indices.each do |tile|
    x, y = tile
    if grid[x][y].hidden == true && grid[x][y].bomb == false
      return false
    end
  end
  return true
end