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package GCE::ArchRef; |
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=head1 NAME |
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|
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GCE::ArchRef - a intelligent reference to an arch instance on/in the map |
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|
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=head1 SYNOPSIS |
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|
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GCE::ArchRef->new (arch => <hashref>, cb => <changecb>) |
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|
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=over 4 |
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|
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=cut |
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|
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use Storable qw/dclone/; |
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use Crossfire; |
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use Carp; |
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use GCE::Util; |
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|
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sub getarch { |
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my ($ar) = @_; |
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|
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if (ref $ar eq 'GCE::ArchRef') { |
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return $ar->{arch} |
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} else { |
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return $ar |
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} |
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} |
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|
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sub new { |
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my $class = shift; |
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my $self = { @_ }; |
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bless $self, $class; |
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|
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unless (defined $self->{arch}) { |
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Carp::confess ("arch not defined when making new ArchRef") |
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} |
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unless (defined $Crossfire::ARCH{$self->getarch->{_name}}) { |
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Carp::confess ("archetype not defined") |
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} |
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|
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return $self; |
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} |
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|
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sub type { |
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my ($self) = @_; |
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Crossfire::arch_attr $self->getarch; |
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} |
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|
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sub archetype { |
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my ($self) = @_; |
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|
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$Crossfire::ARCH{$self->getarch->{_name}}; |
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} |
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|
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sub longname { |
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my ($self) = @_; |
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|
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my $name = $self->get ('_name'); |
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my $rname = $self->get ('name'); |
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my $t = $self->type; |
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|
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$name . ($rname ? " - $rname" : "") . " ($t->{name})" |
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} |
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|
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sub field_value_is_default { |
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my ($self, $key, $val) = @_; |
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my $al_arch = $self->archetype; |
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|
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# XXX: Was '... and $val', does this fix problems? |
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(defined $al_arch->{$key} and $al_arch->{$key} ne $val) |
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|| (not (defined $al_arch->{$key}) and $val) |
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} |
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|
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sub add_inv { |
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my ($self, $arch) = @_; |
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push @{$self->{arch}->{inventory}}, dclone (getarch $arch); |
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|
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$self->{cb}->($self) |
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if defined $self->{cb}; |
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|
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$self->exec_change_cbs (qw/inventory/); |
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} |
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|
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sub swap_inv { |
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my ($self, $swapidx, $ownidx) = @_; |
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my $inv = $self->getarch->{inventory}; |
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|
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($inv->[$swapidx], $inv->[$ownidx]) |
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= ($inv->[$ownidx], $inv->[$swapidx]); |
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|
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$self->{cb}->($self) |
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if defined $self->{cb}; |
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|
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$self->exec_change_cbs (qw/inventory/); |
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} |
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|
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sub get_inv_refs { |
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my ($self) = @_; |
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|
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my $cb = sub { |
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$self->{cb}->($self) |
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if defined $self->{cb}; |
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|
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$self->exec_change_cbs (qw/inventory/); |
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}; |
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|
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[ map { GCE::ArchRef->new (arch => $_, cb => $cb) } @{$self->get ('inventory') || []} ] |
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} |
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|
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sub replace_inv { |
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my ($self, $idx, $new) = @_; |
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splice @{$self->getarch->{'inventory'}}, $idx, 1, $new; |
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|
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$self->{cb}->($self) |
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if defined $self->{cb}; |
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|
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$self->exec_change_cbs (qw/inventory/); |
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} |
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|
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sub remove_inv { |
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my ($self, $idx) = @_; |
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splice @{$self->getarch->{'inventory'}}, $idx, 1; |
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|
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$self->{cb}->($self) |
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if defined $self->{cb}; |
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|
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$self->exec_change_cbs (qw/inventory/); |
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} |
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|
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sub reset_to_defaults { |
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my ($self) = @_; |
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|
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my $arch = $self->getarch; |
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for (keys %$arch) { |
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delete $arch->{$_} if $_ ne '_name' |
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} |
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|
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$self->{cb}->($self) |
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if defined $self->{cb}; |
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|
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$self->exec_change_cbs; |
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} |
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|
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sub get { |
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my ($self, $key) = @_; |
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$self->getarch->{$key} |
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} |
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|
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sub get_or_default { |
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my ($self, $key) = @_; |
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def ($self->get ($key), $self->archetype->{$key}) |
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} |
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|
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sub set_silent { |
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my ($self, $key, $value) = @_; |
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|
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my $arch = $self->getarch; |
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my $al_arch = $self->archetype; #$Crossfire::ARCH{$arch->{_name}}; |
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|
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if (ref $value) { |
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$arch->{$key} = $value; |
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|
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} else { |
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if (not defined $al_arch->{$key}) { |
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if (not defined $value) { |
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# try to normalize |
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delete $arch->{$key}; |
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} else { |
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# try to normalize |
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$arch->{$key} = $value; |
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} |
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} else { |
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if ($al_arch->{$key} ne $value) { |
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$arch->{$key} = $value; |
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} else { |
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# try to normalize |
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delete $arch->{$key}; |
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} |
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} |
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} |
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|
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$self->{cb}->($arch) |
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if defined $self->{cb}; |
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} |
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|
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sub set { |
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my ($self, $key, $value) = @_; |
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$self->set_silent ($key, $value); |
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|
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$self->exec_change_cbs ($key); |
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} |
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|
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sub remove_on_change { |
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my ($self, $key) = @_; |
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delete $self->{change_cbs}->{$key}; |
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} |
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|
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sub add_on_change { |
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my ($self, $key, $cb) = @_; |
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$self->{change_cbs}->{$key} = $cb; |
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} |
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|
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sub exec_change_cbs { |
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my ($self, @a) = @_; |
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$_->($self, @a) for (values %{$self->{change_cbs}}); |
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} |
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|
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=head1 AUTHOR |
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|
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Marc Lehmann <schmorp@schmorp.de> |
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http://home.schmorp.de/ |
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|
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Robin Redeker <elmex@ta-sa.org> |
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http://www.ta-sa.org/ |
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|
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=cut |
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1; |
