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lib/AI/Pathfinding/OptimizeMultiple/DataInputObj.pm  view on Meta::CPAN

package AI::Pathfinding::OptimizeMultiple::DataInputObj;
$AI::Pathfinding::OptimizeMultiple::DataInputObj::VERSION = '0.0.17';
use strict;
use warnings;

use 5.012;

use MooX qw/late/;

use File::Path qw(mkpath);

use AI::Pathfinding::OptimizeMultiple::Scan ();

use PDL              (qw( pdl ));
use PDL::IO::FastRaw (qw( readfraw writefraw ));

has start_board => ( isa => 'Int', is => 'ro', required => 1 );
has num_boards  => ( isa => 'Int', is => 'ro', required => 1 );
has selected_scans => (
    isa      => 'ArrayRef',
    is       => 'ro',
    required => 1,
    default  => sub {
        my ($self) = @_;

        return $self->_calc_selected_scan_list();
    },
    lazy => 1,
);

has _scan_ids_to_indexes => (
    isa     => 'HashRef[Int]',
    is      => 'ro',
    lazy    => 1,
    default => sub {
        my ($self) = @_;

        my $scan_ids = $self->get_scan_ids_aref;
        return +{ map { $scan_ids->[$_] => $_ } 0 .. $#$scan_ids };
    },
);

sub _slurp
{
    my $filename = shift;

    open my $in, "<", $filename
        or die "Could not open $filename";

    binmode $in;
    local $/;
    my $content = <$in>;
    close($in);
    return $content;
}

sub _read_text_ints_file
{
    my $self = shift;

    my $filename = shift;

    my $text = _slurp($filename);

    return [ split( /[\n\r]+/, $text ) ];
}

# Number of selected scans.
sub _num_sel_scans
{
    my $self = shift;

    return scalar( @{ $self->selected_scans() } );
}

sub _gen_initial_scans_tensor
{
    my $self       = shift;
    my $extra_dims = shift || [];

    return zeroes( $self->num_boards(), $self->_num_sel_scans, @$extra_dims );
}

sub _should_update
{
    my ( $self, $src_path, $dest_path ) = @_;

    my @orig_stat = stat($src_path);
    my @proc_stat = stat($dest_path);

    return ( ( !@proc_stat ) || ( $orig_stat[9] > $proc_stat[9] ) );
}

# Number of numbers in the header of the solutions' iteration counts
my $NUM_NUMBERS_IN_HEADER = 3;

my $HEADER_START_BOARD_IDX  = 0;
my $HEADER_NUM_BOARDS       = 1;
my $HEADER_ITERATIONS_LIMIT = 2;

sub _get_scans_data_helper
{
    my $self = shift;

    my $selected_scans = $self->selected_scans();

    my $start_board = $self->start_board();

    my $scans_data      = {};
    my $scans_lens_data = {};