100 lines
3.0 KiB
CoffeeScript
100 lines
3.0 KiB
CoffeeScript
window.Nurikabe = class Nurikabe
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constructor: (@board) ->
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@grid = document.createElement 'div'
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@grid.classList.add 'game-container'
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@board.appendChild @grid
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buttons_div = document.createElement 'div'
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buttons = {check: 'Check', reset: 'Reset', newgame: 'New game', help: '?'}
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for k,v of buttons
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button = document.createElement 'button'
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button.innerHTML = v
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button.classList.add k
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buttons_div.appendChild button
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@board.appendChild buttons_div
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@board.querySelector('.check').addEventListener('click', @check.bind(this))
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@board.querySelector('.reset').addEventListener('click', @reset.bind(this))
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check: ->
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errors = @errors()
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if errors.length == 0
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alert 'Congratulations!'
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else
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alert errors.map((el) -> el.message).join()
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errors: ->
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solution = @toArray()
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errors = []
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processed_cells = []
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black_stream = new Nikoli.Stream(solution)
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white_walls = []
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for i in [0...solution.length]
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row = solution[i]
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for j in [0...row.length]
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cell = solution[i][j]
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if cell < 0
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if black_stream.empty()
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black_stream.calculate({x: i, y: j})
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else if !black_stream.include({x: i, y: j})
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errors.push {row: i, column: j, message: 'The stream must be continuous'}
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else if cell > 0
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if white_walls.some((wall) -> wall.include({x: i, y: j}))
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errors.push {row: i, column: j, message: 'Each wall must contain exactly one numbered cell.'}
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else
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wall = new Nikoli.Stream(solution)
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wall.calculate({x: i, y: j})
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if wall.length() != cell
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errors.push {row: i, column: j, message: 'Each numbered cell is a wall cell, the number in it is the number of cells in that wall.'}
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white_walls.push(wall)
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errors
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generate: (game, solution = false) ->
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@game = game if game?
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@grid.innerHTML = @game.map((row) ->
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'<div class="grid-row">' + row.map((cell) ->
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if cell <= 0
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color_class = 'black' if solution && cell == -1
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"<div class=\"grid-cell empty #{color_class}\"> </div>"
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else
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"<div class=\"grid-cell white\">#{cell}</div>"
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).join('') + '</div>'
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).join('')
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for cell in board.querySelectorAll('.empty')
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cell.addEventListener 'click', ((evenment) => @toggle evenment.target), false
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return
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reset: ->
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@generate()
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toggle: (cell) ->
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if cell.classList.contains 'black'
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cell.classList.remove 'black'
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cell.classList.add 'white'
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else if cell.classList.contains 'white'
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cell.classList.remove 'white'
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else
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cell.classList.add 'black'
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toArray: ->
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[].map.call @grid.querySelectorAll('.grid-row'), (row) ->
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[].map.call row.querySelectorAll('.grid-cell'), (cell) ->
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if cell.classList.contains('empty')
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if cell.classList.contains('black')
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-1
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else
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0
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else
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parseInt(cell.innerHTML)
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