shogi_server/pieceky.rb

   1 module ShogiServer
   2
   3 class PieceKY  < Piece
   4   def initialize(*arg)
   5     @point = 1
   6     @normal_moves = []
   7     @promoted_moves = [[0, +1], [+1, +1], [-1, +1], [+1, +0], [-1, +0], [0, -1]]
   8     @name = "KY"
   9     @promoted_name = "NY"
  10     super
  11   end
  12   def room_of_head?(x, y, name)
  13     if (name == "KY")
  14       if (@sente)
  15         return false if (y == 1)
  16       else
  17         return false if (y == 9)
  18       end
  19     end
  20     return true
  21   end
  22   def far_movable_grids
  23     grids = Array::new
  24     if (@promoted)
  25       return []
  26     else
  27       if (@sente)                 # up
  28         cand_x = @x
  29         cand_y = @y - 1
  30         while (jump_to?(cand_x, cand_y))
  31           grids.push([cand_x, cand_y])
  32           break if (! put_to?(cand_x, cand_y))
  33           cand_y = cand_y - 1
  34         end
  35       else                        # down
  36         cand_x = @x
  37         cand_y = @y + 1
  38         while (jump_to?(cand_x, cand_y))
  39           grids.push([cand_x, cand_y])
  40           break if (! put_to?(cand_x, cand_y))
  41           cand_y = cand_y + 1
  42         end
  43       end
  44       return grids
  45     end
  46   end
  47 end
  48
  49 end