Class: Board::ConnectNChecker

Inherits:
Object
  • Object
show all
Defined in:
lib/command_four/board.rb

Instance Method Summary collapse

Constructor Details

#initialize(board, connect_n, col_idx, row_idx) ⇒ ConnectNChecker

Returns a new instance of ConnectNChecker.



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# File 'lib/command_four/board.rb', line 81

def initialize(board, connect_n, col_idx, row_idx)
  @col_idx = col_idx
  @row_idx = row_idx
  @cur_color = board[col_idx][row_idx]
  @width = board.length
  @height = board[0].length
  @board = board
  @connect_n = connect_n
  @winning_cells = []
end

Instance Method Details

#check ⇒ Object 



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# File 'lib/command_four/board.rb', line 92

def check
  if check_horizontal || check_vertical || check_left_diag || check_right_diag
    GameState.new(true, @winning_cells)
  else
    GameState.new(false, [])
  end
end

#check_horizontal ⇒ Object 



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# File 'lib/command_four/board.rb', line 100

def check_horizontal
  @winning_cells = []
  total_count = get_right_count + get_left_count
  total_count >= @connect_n
end

#check_left_diag ⇒ Object 



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# File 'lib/command_four/board.rb', line 112

def check_left_diag
  @winning_cells = []
  total_count = get_up_left_count + get_down_left_count
  total_count >= @connect_n
end

#check_right_diag ⇒ Object 



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# File 'lib/command_four/board.rb', line 118

def check_right_diag
  @winning_cells = []
  total_count = get_up_right_count + get_down_right_count
  total_count >= @connect_n
end

#check_vertical ⇒ Object 



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# File 'lib/command_four/board.rb', line 106

def check_vertical
  @winning_cells = []
  total_count = get_up_count + get_down_count
  total_count >= @connect_n
end

#get_down_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 157

def get_down_count
  consecutive_count = 0
  cur_row_idx = @row_idx - 1
  while cur_row_idx >= 0 && consecutive_count <= @connect_n && @board[@col_idx][cur_row_idx] == @cur_color
    @winning_cells.push([@col_idx, cur_row_idx])
    cur_row_idx -= 1
    consecutive_count += 1
  end
  consecutive_count
end

#get_down_left_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 181

def get_down_left_count
  consecutive_count = 0
  cur_row_idx = @row_idx - 1
  cur_col_idx = @col_idx + 1
  while cur_row_idx >= 0 && cur_col_idx < @width && consecutive_count <= @connect_n && @board[cur_col_idx][cur_row_idx] == @cur_color
    @winning_cells.push([cur_col_idx, cur_row_idx])
    cur_row_idx -= 1
    cur_col_idx += 1
    consecutive_count += 1
  end
  consecutive_count
end

#get_down_right_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 207

def get_down_right_count
  consecutive_count = 0
  cur_row_idx = @row_idx - 1
  cur_col_idx = @col_idx - 1
  while cur_row_idx >= 0 && cur_col_idx >= 0 && consecutive_count <= @connect_n && @board[cur_col_idx][cur_row_idx] == @cur_color
    @winning_cells.push([cur_col_idx, cur_row_idx])
    cur_row_idx -= 1
    cur_col_idx -= 1
    consecutive_count += 1
  end
  consecutive_count
end

#get_left_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 135

def get_left_count
  consecutive_count = 0
  cur_col_idx = @col_idx - 1
  while cur_col_idx >= 0 && consecutive_count <= @connect_n && @board[cur_col_idx][@row_idx] == @cur_color
    @winning_cells.push([cur_col_idx, @row_idx])
    cur_col_idx -= 1
    consecutive_count += 1
  end
  consecutive_count
end

#get_right_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 124

def get_right_count
  consecutive_count = 0
  cur_col_idx = @col_idx
  while cur_col_idx < @width && consecutive_count <= @connect_n && @board[cur_col_idx][@row_idx] == @cur_color
    @winning_cells.push([cur_col_idx, @row_idx])
    cur_col_idx += 1
    consecutive_count += 1
  end
  consecutive_count
end

#get_up_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 146

def get_up_count
  consecutive_count = 0
  cur_row_idx = @row_idx
  while cur_row_idx < @height && consecutive_count <= @connect_n && @board[@col_idx][cur_row_idx] == @cur_color
    @winning_cells.push([@col_idx, cur_row_idx])
    cur_row_idx += 1
    consecutive_count += 1
  end
  consecutive_count
end

#get_up_left_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 168

def get_up_left_count
  consecutive_count = 0
  cur_row_idx = @row_idx
  cur_col_idx = @col_idx
  while cur_row_idx < @height && cur_col_idx >= 0 && consecutive_count <= @connect_n && @board[cur_col_idx][cur_row_idx] == @cur_color
    @winning_cells.push([cur_col_idx, cur_row_idx])
    cur_row_idx += 1
    cur_col_idx -= 1
    consecutive_count += 1
  end
  consecutive_count
end

#get_up_right_count ⇒ Object 



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# File 'lib/command_four/board.rb', line 194

def get_up_right_count
  consecutive_count = 0
  cur_row_idx = @row_idx
  cur_col_idx = @col_idx
  while cur_row_idx < @height && cur_col_idx < @width && consecutive_count <= @connect_n && @board[cur_col_idx][cur_row_idx] == @cur_color
    @winning_cells.push([cur_col_idx, cur_row_idx])
    cur_row_idx += 1
    cur_col_idx += 1
    consecutive_count += 1
  end
  consecutive_count
end