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#! perl # mandatory |
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|
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# this extension provides "environmental effects", |
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# meaning mostly background music and region messages right now. |
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|
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our %MUSIC_GROUP; |
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our %MUSIC_FACE_CACHE; # cleared by reload_facedata |
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|
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sub reload { |
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cf::trace "loading music config from $DATADIR/music\n"; |
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|
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0 < Coro::AIO::aio_load "$DATADIR/music", my $data |
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or die "$DATADIR/music $!"; |
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|
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my $conf = JSON::XS->new->utf8->relaxed->decode ($data); |
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%MUSIC_GROUP = %{ $conf->{group} }; |
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%MUSIC_FACE_CACHE = (); |
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} |
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|
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cf::post_init { |
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$_[0] ? cf::async { reload } : reload |
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}; |
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|
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sub parse_musiclist($) { |
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my ($list) = @_; |
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|
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return undef |
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unless defined $list; |
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|
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my @name = split /\s*,\s*/, $list; |
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my @face; |
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|
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while (@name) { |
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my $name = shift @name; |
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|
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if ($name =~ /^\@(.*)$/) { |
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my $group = $MUSIC_GROUP{$1} |
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or cf::error "music group $1 does not exist (referenced in '$list')"; |
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|
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unshift @name, @$group; |
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} else { |
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my $face = cf::face::find "music/$name" |
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or "unable to find music face $name (referenced in '$list')"; |
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|
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push @face, $face |
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if $face; |
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} |
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} |
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|
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# sort by size, smallest first, because it's the fastest to download... |
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[ sort { ($cf::face::SIZE[0][$a]) <=> ($cf::face::SIZE[0][$b]) } @face ] |
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} |
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|
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our %MUSIC_QUEUE; |
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|
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our $MUSIC_SCHEDULER = cf::async_ext { |
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$Coro::current->{desc} = "music scheduler"; |
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|
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while () { |
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for (keys %MUSIC_QUEUE) { |
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delete $MUSIC_QUEUE{$_}; |
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|
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cf::get_slot 0.01, -10, "music scheduler"; |
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|
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my $pl = cf::player::find_active $_ or next; |
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my $ob = $pl->ob; |
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my $ns = $pl->ns or next; |
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my $map = $ob->map; |
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my $rgn = $ob->region; |
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|
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my $id = join "\x00", $map->path, $rgn->name; |
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|
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my $faces = delete $ns->{music_play_once}; |
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$faces ||= $MUSIC_FACE_CACHE{$id} ||= do { |
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# 1. map-specific music info |
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parse_musiclist $map->{music} |
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or do { |
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# 2. fall back to region if no map-specific music |
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$rgn = $rgn->parent |
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while $rgn && !exists $rgn->{music}; |
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|
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parse_musiclist $rgn->{music} |
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} |
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; |
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}; |
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|
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$faces |
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or next; |
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|
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my $facestr = join ",", @$faces; |
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$ns->{current_music_faces} ne $facestr |
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or next; |
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|
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$ns->{current_music_faces} = $facestr; |
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|
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my $pri = 0; |
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$ns->send_face ($_, --$pri - 110) |
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for @$faces; |
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$ns->flush_fx; |
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|
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$ns->ext_msg (ambient_music => $faces); |
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} |
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Coro::schedule unless %MUSIC_QUEUE; |
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} |
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}; |
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|
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cf::player->attach ( |
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on_region_change => sub { |
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my ($pl, $new, $old) = @_; |
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|
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$pl->ob->message ("You are now " . $new->longname . ". H<Use whereami for more details.>", $new->longname); |
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|
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undef $MUSIC_QUEUE{$pl->ob->name}; |
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$MUSIC_SCHEDULER->ready; |
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}, |
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on_map_change => sub { |
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my ($pl, $new) = @_; |
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|
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undef $MUSIC_QUEUE{$pl->ob->name}; |
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$MUSIC_SCHEDULER->ready; |
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}, |
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); |
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|
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sub play_music_once { |
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my ($pl, $music) = @_; |
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|
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$pl->ns->{music_play_once} = parse_musiclist $music; |
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|
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undef $MUSIC_QUEUE{$pl->ob->name}; |
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$MUSIC_SCHEDULER->ready; |
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} |
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