Skip to content

Commit

Permalink
putting the insides of SDLx::Controller back in
Browse files Browse the repository at this point in the history
  • Loading branch information
@garu
garu committed Dec 30, 2010
1 parent ebfaed5 commit e350231
Showing 1 changed file with 85 additions and 104 deletions.
189 changes: 85 additions & 104 deletions lib/SDLx/Controller.pm
View file
Expand Up @@ -9,192 +9,173 @@ use SDL::Events;
use SDL::Video;
use SDLx::Controller::Interface;
use SDLx::Controller::State;
use Scalar::Util 'refaddr';

# inside out, so this can work as the superclass of another
# SDL::Surface subclass
my %_dt;
my %_min_t;
my %_current_time;
my %_stop;
my %_event;
my %_event_handlers;
my %_move_handlers;
my %_show_handlers;

sub new {
my ($self, %args) = @_;
if(ref $self) {
bless $self, ref $self;
}
else {
my $a;
$self = bless \$a, $self;
}

my $ref = refaddr $self;

$_dt{ $ref } = defined $args{dt} ? $args{dt} : 0.1;
$_min_t{ $ref } = defined $args{min_t} ? $args{min_t} : 1 / 60;
# $_current_time{ $ref } = $args{current_time} || 0; #no point
$_stop{ $ref } = $args{stop};
$_event{ $ref } = $args{event} || SDL::Event->new();
$_event_handlers{ $ref } = $args{event_handlers};
$_move_handlers{ $ref } = $args{move_handlers};
$_show_handlers{ $ref } = $args{show_handlers};
my ($class, %args) = @_;

my $self = bless {
dt => $args{dt} || 0.1,
min_t => $args{min_t} || 1 / 60,
stop => $args{stop},
event => $args{event} || SDL::Event->new(),
event_handlers => $args{event_handlers},
move_handlers => $args{move_handlers},
show_handlers => $args{show_handlers},
}, ref($class) || $class;

return $self;
}

sub DESTROY {
my $self = shift;
my $ref = refaddr $self;

delete $_dt{ $ref};
delete $_min_t{ $ref};
delete $_current_time{ $ref};
delete $_stop{ $ref};
delete $_event{ $ref};
delete $_event_handlers{ $ref};
delete $_move_handlers{ $ref};
delete $_show_handlers{ $ref};
}

sub run {
my ($self) = @_;
my $ref = refaddr $self;
my $dt = $_dt{ $ref };
my $min_t = $_min_t{ $ref };
my $t = 0.0;
my ($self) = @_;
my $dt = $self->{dt};
my $min_t = $self->{min_t};
my $t = 0.0;

#Allows us to do stop and run
$_stop{ $ref } = 0;
$self->{stop} = 0;

$_current_time{ $ref } = Time::HiRes::time;
while ( !$_stop{ $ref } ) {
$self->_event($ref);
$self->{current_time} = Time::HiRes::time;
while ( !$self->{stop} ) {
$self->_event();

my $new_time = Time::HiRes::time;
my $delta_time = $new_time - $_current_time{ $ref };
my $delta_time = $new_time - $self->{current_time};
next if $delta_time < $min_t;
$_current_time{ $ref} = $new_time;

$self->{current_time} = $new_time;
my $delta_copy = $delta_time;

while ( $delta_copy > $dt ) {
$self->_move( $ref, 1, $t ); #a full move
$self->_move( 1, $t ); # a full move
$delta_copy -= $dt;
$t += $dt;
}
my $step = $delta_copy / $dt;
$self->_move( $ref, $step, $t ); #a partial move
$self->_move( $step, $t ); # a partial move
$t += $dt * $step;

$self->_show( $ref, $delta_time );
$self->_show( $delta_time );

$dt = $_dt{ $ref}; #these can change
$min_t = $_min_t{ $ref}; #during the cycle
$dt = $self->{dt}; # these can change
$min_t = $self->{min_t}; # during the cycle
}

}

sub pause {
my ($self, $callback) = @_;
my $ref = refaddr $self;
$callback ||= sub {1};
$callback ||= sub { 1 };
my $event = SDL::Event->new();

while(1) {
SDL::Events::wait_event($event) or Carp::confess("pause failed waiting for an event");
if($callback->($event, $self)) {
$_current_time{ $ref} = Time::HiRes::time; #so run doesn't catch up with the time paused
last;
SDL::Events::wait_event( $event )
or Carp::confess "pause failed waiting for an event";

# so run doesn't catch up with the time paused
if( $callback->($event, $self) ) {
$self->{current_time} = Time::HiRes::time;
last;
}
}
}

sub _event {
my ($self, $ref) = @_;
while ( SDL::Events::poll_event( $_event{ $ref} ) ) {
my ($self) = @_;

while ( SDL::Events::poll_event( $self->{event} ) ) {
SDL::Events::pump_events();
foreach my $event_handler ( @{ $_event_handlers{ $ref} } ) {
foreach my $event_handler ( @{ $self->{event_handlers} } ) {
next unless $event_handler;
$event_handler->( $_event{ $ref}, $self );
$event_handler->( $self->{event}, $self );
}
}
}

sub _move {
my ($self, $ref, $move_portion, $t) = @_;
foreach my $move_handler ( @{ $_move_handlers{ $ref} } ) {
my ($self, $move_portion, $t) = @_;

foreach my $move_handler ( @{ $self->{move_handlers} } ) {
next unless $move_handler;
$move_handler->( $move_portion, $self, $t );
}
}

sub _show {
my ($self, $ref, $delta_ticks) = @_;
foreach my $show_handler ( @{ $_show_handlers{ $ref} } ) {
my ($self, $delta_ticks) = @_;

foreach my $show_handler ( @{ $self->{show_handlers} } ) {
next unless $show_handler;
$show_handler->( $delta_ticks, $self );
}
}

sub stop { $_stop{ refaddr $_[0] } = 1 }
sub stop { $_[0]->{stop} = 1 }

sub _add_handler {
my ( $arr_ref, $handler ) = @_;

push @{$arr_ref}, $handler;
return $#{$arr_ref};
}

sub add_move_handler {
my $ref = refaddr $_[0];
$_[0]->remove_all_move_handlers if !$_move_handlers{ $ref };
return _add_handler( $_move_handlers{ $ref}, $_[1] );
my ($self, $handler) = @_;
$self->remove_all_move_handlers unless $self->{move_handlers};

return _add_handler( $self->{move_handlers}, $handler );
}

sub add_event_handler {
my $ref = refaddr $_[0];
my ($self, $handler) = @_;

Carp::confess 'SDLx::App or a Display (SDL::Video::get_video_mode) must be made'
unless SDL::Video::get_video_surface();
$_[0]->remove_all_event_handlers if !$_event_handlers{ $ref };
return _add_handler( $_event_handlers{ $ref}, $_[1] );

$self->remove_all_event_handlers unless $self->{event_handlers};

return _add_handler( $self->{event_handlers}, $handler );
}

sub add_show_handler {
my $ref = refaddr $_[0];
$_[0]->remove_all_show_handlers if !$_show_handlers{ $ref };
return _add_handler( $_show_handlers{ $ref}, $_[1] );
my ($self, $handler) = @_;

$self->remove_all_show_handlers unless $self->{show_handlers};

return _add_handler( $self->{show_handlers}, $handler );
}

sub _remove_handler {
my ( $arr_ref, $id ) = @_;

if ( ref $id ) {
($id) = grep {
$id eq $arr_ref->[$_]
} 0..$#{$arr_ref};

if ( !defined $id ) {
if ( not defined $id ) {
Carp::cluck("$id is not currently a handler of this type");
return;
}
}
elsif(!defined $arr_ref->[$id]) {
elsif( not defined $arr_ref->[$id]) {
Carp::cluck("$id is not currently a handler of this type");
return;
}
return delete( $arr_ref->[$id] );
}

sub remove_move_handler {
return _remove_handler( $_move_handlers{ refaddr $_[0] }, $_[1] );
return _remove_handler( $_[0]->{move_handlers}, $_[1] );
}

sub remove_event_handler {
return _remove_handler( $_event_handlers{ refaddr $_[0] }, $_[1] );
return _remove_handler( $_[0]->{event_handlers}, $_[1] );
}

sub remove_show_handler {
return _remove_handler( $_show_handlers{ refaddr $_[0] }, $_[1] );
return _remove_handler( $_[0]->{show_handlers}, $_[1] );
}

sub remove_all_handlers {
Expand All @@ -204,43 +185,43 @@ sub remove_all_handlers {
}

sub remove_all_move_handlers {
$_move_handlers{ refaddr $_[0] } = [];
$_[0]->{move_handlers} = [];
}

sub remove_all_event_handlers {
$_event_handlers{ refaddr $_[0] } = [];
$_[0]->{event_handlers} = [];
}

sub remove_all_show_handlers {
$_show_handlers{ refaddr $_[0] } = [];
$_[0]->{show_handlers} = [];
}

sub move_handlers { $_move_handlers{ refaddr $_[0] } }
sub event_handlers { $_event_handlers{ refaddr $_[0] } }
sub show_handlers { $_show_handlers{ refaddr $_[0] } }
sub move_handlers { $_[0]->{move_handlers} }
sub event_handlers { $_[0]->{event_handlers} }
sub show_handlers { $_[0]->{show_handlers} }

sub dt {
my ($self, $arg) = @_;
my $ref = refaddr $self;
$_dt{ $ref} = $arg if defined $arg;

$self->{dt} = $arg if defined $arg;

$_dt{ $ref};
return $self->{dt};
}

sub min_t {
my ($self, $arg) = @_;
my $ref = refaddr $self;
$_min_t{ $ref} = $arg if defined $arg;

$self->{min_t} = $arg if defined $arg;

$_min_t{ $ref};
return $self->{min_t};
}

sub current_time {
my ($self, $arg) = @_;
my $ref = refaddr $self;
$_current_time{ $ref} = $arg if defined $arg;

$self->{current_time} = $arg if defined $arg;

$_current_time{ $ref};
return $self->{current_time};
}

1; #not 42 man!
Expand Down

0 comments on commit e350231

Please sign in to comment.