samples/elaborate/battleship/model/cell.rb
# Copyright (c) 2007-2024 Andy Maleh
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
class Battleship
module Model
class Cell
attr_reader :grid, :row_index, :column_index
attr_accessor :hit, :ship, :ship_index
alias hit? hit
def initialize(grid, row_index, column_index)
@grid = grid
@row_index = row_index
@column_index = column_index
end
def reset!
self.hit = nil
self.ship = nil
self.ship_index = nil
end
# Places ship horizontally so that its top left cell is self,
# automatically figuring out the rest of the cells
def place_ship!(ship)
begin
old_ship_top_left_cell = ship.top_left_cell
old_ship_orientation = ship.orientation
ship.top_left_cell = self
if old_ship_top_left_cell
ship.cells(old_ship_orientation).each(&:reset!)
ship.length.times do |index|
if ship.orientation == :horizontal
old_cell = grid.cell_rows[old_ship_top_left_cell.row_index][old_ship_top_left_cell.column_index + index]
else
old_cell = grid.cell_rows[old_ship_top_left_cell.row_index + index][old_ship_top_left_cell.column_index]
end
old_cell.reset!
end
end
ship.length.times do |index|
if ship.orientation == :horizontal
cell = grid.cell_rows[row_index][column_index + index]
else
cell = grid.cell_rows[row_index + index][column_index]
end
cell.ship = ship
cell.ship_index = index
end
rescue => e
Glimmer::Config.logger.debug(e.full_message)
end
end
def hit=(value)
@hit = value
ship&.sunk = true if ship&.all_cells_hit?
grid.game.over = grid.game.opposite_player(grid.player) if grid.game.started? && grid.game.ship_collections[grid.player].ships.values.map(&:sunk).all?
end
def to_s
"#{(Grid::ROW_ALPHABETS[row_index])}#{(column_index + 1)}"
end
end
end
end