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package Session; |
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# Dobrica Pavlinusic, <dpavlin@rot13.org> 08/05/07 14:27:15 CEST |
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use strict; |
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use warnings; |
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use Carp qw/confess/; |
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use Data::Dump qw/dump/; |
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use File::Slurp; |
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use base qw/Class::Accessor/; |
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#__PACKAGE__->mk_accessors(qw()); |
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=head1 NAME |
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Session - save or load emulator interactive session |
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=cut |
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=head1 FUNCTIONS |
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=head2 record_session |
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$self->record_session( 'name', $value ); |
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=cut |
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sub record_session { |
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my $self = shift; |
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my $name = shift || confess "need name"; |
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my $t = $self->app->ticks; |
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$self->append_to_file('session.pl', "\$s->{$t}->{'$name'} = ", dump( @_ ),";\n"); |
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} |
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=head2 load_session |
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$self->load_session( '/path/to/session.pl' ); |
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=cut |
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my $s; |
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my @timeline; |
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sub load_session { |
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my $self = shift; |
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my $path = shift || confess "no path?"; |
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if ( ! -r $path ) { |
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warn "WARNING: can't open session $path: $!\n"; |
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return; |
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} |
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eval read_file( $path ); |
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warn "session = ",dump( $s ); |
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@timeline = sort { $a <=> $b } keys %$s; |
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my ( $from, $to ) = @timeline[0,-1]; |
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printf "loaded session %.2f-%.2fs with %d events\n", $from / 1000, $to / 1000, $#timeline + 1; |
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} |
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=head2 session_event |
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my $v = $self->session_event('key_pressed'); |
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=cut |
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sub session_event { |
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my $self = shift; |
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return unless @timeline; |
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my $name = shift || confess "no name?"; |
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my $t = $self->app->ticks; |
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# do we have events to trigger? |
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return if ( $t < $timeline[0] ); |
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my $e_t = $timeline[0]; |
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# do we have next event and should we take it? |
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if ( $#timeline > 0 && $t > $timeline[1] ) { |
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shift @timeline; |
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$e_t = $timeline[0]; |
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warn "session_event $e_t $name ",dump( $s->{$e_t}->{$name} )," left ", $#timeline+1, " events\n"; |
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} |
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return $s->{$e_t}->{$name}; |
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} |
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=head1 SEE ALSO |
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L<VRac> |
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=cut |
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1; |