File Coverage

blib/lib/Games/Board/Grid.pm

Criterion	Covered	Total	%
statement	42	43	97.6
branch	7	10	70.0
condition	6	6	100.0
subroutine	12	13	92.3
pod	7	7	100.0
total	74	79	93.6

use strict;
use warnings;

package Games::Board::Grid;
{
  $Games::Board::Grid::VERSION = '1.013';
}
use parent qw(Games::Board);
# ABSTRACT: a grid-shaped gameboard

use Carp;



sub new {
  my ($class, %args) = @_;

  croak "no size given to construct grid" unless $args{size};

  $args{size} = [ ($args{size}) x 2 ] unless ref $args{size};

  my $board = { size => $args{size} };
  bless $board => $class;
  $board->init;
}


sub init {
  my $board = shift;

  $board->{spaces} = {};

  for my $x (0 .. ($board->{size}[0] - 1)) {
  for my $y (0 .. ($board->{size}[1] - 1)) {
    my $id = $board->index2id([$x,$y]);
    $board->{spaces}{$id} = Games::Board::Grid::Space->new(id => $id, board => $board);
  }
  }

  $board;
}


sub size { (shift)->{size} }


sub id2index { [ split(/ /,$_[1]) ] }


sub index2id { join(q{ }, @{$_[1]}) }


sub space {
  my $board = shift;
  my $id    = shift;

  return $board->{spaces}{$id};
}


sub add_space { croak "spaces can't be added to grid board" }


package Games::Board::Grid::Space;
{
  $Games::Board::Grid::Space::VERSION = '1.013';
}
use parent qw(Games::Board::Space);

sub dir_id {
  my ($self, $dir) = @_;
  return unless ref $dir eq 'ARRAY';

  my $pos = $self->board->id2index($self->id);

  my $newpos = [
    $pos->[0] + $dir->[0],
    $pos->[1] + $dir->[1]
  ];

  return if $newpos->[0] < 0 or $newpos->[1] < 0;
  return
    if $newpos->[0] >= $self->board->size->[0]
    or $newpos->[1] >= $self->board->size->[1];
  return $self->board->index2id($newpos);
}

"Family fun night!";

__END__