86 lines
2.5 KiB
CoffeeScript
86 lines
2.5 KiB
CoffeeScript
class Nikoli.Nurikabe extends Nikoli.Game
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constructor: (@board, @name = 'nurikabe') ->
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super @board, @name
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errors: ->
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solution = @toArray()
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errors = []
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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 = new Nikoli.NurikabeCell(i, j, solution)
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if cell.value < 0
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if black_stream.empty()
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black_stream.calculate(cell)
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else if !black_stream.include(cell)
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errors.push {row: i, column: j, message: 'The stream must be continuous'}
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if cell.isPool()
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errors.push {row: i, column: j, message: 'There must be no pools.'}
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else if cell.value > 0
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if white_walls.some((wall) -> wall.include(cell))
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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(cell)
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if wall.length() != cell.value
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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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super game, solution, Nikoli.NurikabeCell
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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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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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class Nikoli.NurikabeCell extends Nikoli.Cell
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create: (value, solution = false) ->
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cell = super
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if value <= 0
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cell.classList.add 'empty'
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cell.classList.add 'black' if solution && value == -1
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else
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cell.classList.add 'white'
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cell.innerHTML = value
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cell
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isPool: ->
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[
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new NurikabeCell(@row, @column + 1, @game),
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new NurikabeCell(@row + 1, @column, @game),
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new NurikabeCell(@row + 1, @column + 1, @game),
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].every (cell) => cell.valid(@value)
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