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lib/AI/Pathfinding/SMAstar.pm  view on Meta::CPAN

package AI::Pathfinding::SMAstar;

use 5.006000;
use strict;
use warnings;

require Exporter;

our @ISA = qw(Exporter);

# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.

# This allows declaration	use AI::Pathfinding::SMAstar ':all';
# If you do not need this, moving things directly into @EXPORT or @EXPORT_OK
# will save memory.
our %EXPORT_TAGS = ( 'all' => [ qw(
	
) ] );

our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );

our @EXPORT = qw(
	
);

our $VERSION = '0.07';

use AI::Pathfinding::SMAstar::PriorityQueue;
use AI::Pathfinding::SMAstar::Path;
use Scalar::Util;
use Carp;

my $DEBUG = 0;


##################################################
# SMAstar constructor 
##################################################
sub new {
    my $invocant = shift;
    my $class   = ref($invocant) || $invocant;
    my $self = { 
     
	_priority_queue => AI::Pathfinding::SMAstar::PriorityQueue->new(),
	_state_eval_func => undef,	
	_state_goal_p_func => undef,
	_state_num_successors_func => undef,
	_state_successors_iterator => undef,
	_show_prog_func => undef,
	_state_get_data_func => undef,


	@_, # attribute override
    };
    return bless $self, $class;
}


sub state_eval_func {
    my $self = shift;
    if (@_) { $self->{_state_eval_func} = shift }
    return $self->{_state_eval_func};
}

sub state_goal_p_func {
    my $self = shift;
    if (@_) { $self->{_state_goal_p_func} = shift }
    return $self->{_state_goal_p_func};    
}

sub state_num_successors_func {