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package cf; |
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|
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use Symbol; |
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use List::Util; |
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use Storable; |
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|
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use Event; |
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$Event::Eval = 1; # no idea why this is required, but it is |
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|
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use strict; |
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|
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our %COMMAND; |
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our @EVENT; |
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our %PROP_TYPE; |
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our %PROP_IDX; |
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|
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BEGIN { |
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@EVENT = map lc, @EVENT; |
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|
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*CORE::GLOBAL::warn = sub { |
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my $msg = join "", @_; |
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$msg .= "\n" |
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unless $msg =~ /\n$/; |
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|
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print STDERR "cfperl: $msg"; |
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LOG llevError, "cfperl: $msg"; |
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}; |
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} |
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|
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my %ignore_set = (MAP_PROP_PATH => 1); # I hate the plug-in api. Deeply! |
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|
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# generate property mutators |
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sub prop_gen { |
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my ($prefix, $class) = @_; |
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|
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no strict 'refs'; |
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|
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for my $prop (keys %PROP_TYPE) { |
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$prop =~ /^\Q$prefix\E_(.*$)/ or next; |
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my $sub = lc $1; |
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|
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my $type = $PROP_TYPE{$prop}; |
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my $idx = $PROP_IDX {$prop}; |
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|
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*{"$class\::get_$sub"} = *{"$class\::$sub"} = sub { |
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$_[0]->get_property ($type, $idx) |
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}; |
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|
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*{"$class\::set_$sub"} = sub { |
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$_[0]->set_property ($type, $idx, $_[1]); |
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} unless $ignore_set{$prop}; |
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} |
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} |
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|
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# auto-generate most of the API |
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|
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prop_gen OBJECT_PROP => "cf::object"; |
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# CFAPI_OBJECT_ANIMATION? |
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prop_gen PLAYER_PROP => "cf::object::player"; |
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|
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prop_gen MAP_PROP => "cf::map"; |
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prop_gen ARCH_PROP => "cf::arch"; |
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|
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# guessed hierarchies |
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|
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@cf::object::player::ISA = 'cf::object'; |
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@cf::object::map::ISA = 'cf::object'; |
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|
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$Event::DIED = sub { |
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warn "error in event callback: @_"; |
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}; |
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|
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my %ext_pkg; |
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my @exts; |
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my @hook; |
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my %command; |
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my %extcmd; |
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|
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sub inject_event { |
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my $extension = shift; |
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my $event_code = shift; |
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|
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my $cb = $hook[$event_code]{$extension} |
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or return; |
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|
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&$cb |
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} |
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|
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sub inject_global_event { |
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my $event = shift; |
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|
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my $cb = $hook[$event] |
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or return; |
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|
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List::Util::max map &$_, values %$cb |
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} |
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|
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sub inject_command { |
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my ($name, $obj, $params) = @_; |
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|
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for my $cmd (@{ $command{$name} }) { |
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$cmd->[1]->($obj, $params); |
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} |
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|
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-1 |
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} |
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|
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sub register_command { |
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my ($name, $time, $cb) = @_; |
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|
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my $caller = caller; |
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#warn "registering command '$name/$time' to '$caller'"; |
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|
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push @{ $command{$name} }, [$time, $cb, $caller]; |
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$COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} }; |
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} |
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|
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sub register_extcmd { |
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my ($name, $cb) = @_; |
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|
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my $caller = caller; |
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#warn "registering extcmd '$name' to '$caller'"; |
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|
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$extcmd{$name} = [$cb, $caller]; |
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} |
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|
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sub register { |
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my ($base, $pkg) = @_; |
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|
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for my $idx (0 .. $#EVENT) { |
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if (my $ref = $pkg->can ("on_$EVENT[$idx]")) { |
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#warn "registering $EVENT[$idx] hook to '$pkg'\n"; |
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$hook[$idx]{$base} = $ref; |
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} |
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} |
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} |
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|
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sub load_extension { |
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my ($path) = @_; |
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|
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$path =~ /([^\/\\]+)\.ext$/ or die "$path"; |
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my $base = $1; |
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my $pkg = $1; |
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$pkg =~ s/[^[:word:]]/_/g; |
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$pkg = "cf::ext::$pkg"; |
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|
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warn "loading '$path' into '$pkg'\n"; |
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|
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open my $fh, "<:utf8", $path |
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or die "$path: $!"; |
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|
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my $source = |
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"package $pkg; use strict; use utf8;\n" |
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. "#line 1 \"$path\"\n{\n" |
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. (do { local $/; <$fh> }) |
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. "\n};\n1"; |
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|
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eval $source |
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or die "$path: $@"; |
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|
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push @exts, $pkg; |
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$ext_pkg{$base} = $pkg; |
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|
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# no strict 'refs'; |
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# @{"$pkg\::ISA"} = cf::ext::; |
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|
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register $base, $pkg; |
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} |
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|
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sub unload_extension { |
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my ($pkg) = @_; |
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|
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warn "removing extension $pkg\n"; |
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|
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# remove hooks |
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for my $idx (0 .. $#EVENT) { |
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delete $hook[$idx]{$pkg}; |
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} |
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|
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# remove commands |
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for my $name (keys %command) { |
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my @cb = grep $_->[2] ne $pkg, @{ $command{$name} }; |
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|
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if (@cb) { |
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$command{$name} = \@cb; |
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$COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb; |
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} else { |
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delete $command{$name}; |
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delete $COMMAND{"$name\000"}; |
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} |
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} |
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|
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# remove extcmds |
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for my $name (grep $extcmd{$_}[1] eq $pkg, keys %extcmd) { |
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delete $extcmd{$name}; |
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} |
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|
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Symbol::delete_package $pkg; |
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} |
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|
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sub load_extensions { |
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my $LIBDIR = maps_directory "perl"; |
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|
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for my $ext (<$LIBDIR/*.ext>) { |
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next unless -r $ext; |
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eval { |
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load_extension $ext; |
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1 |
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} or warn "$ext not loaded: $@"; |
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} |
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} |
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|
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register_command "perl-reload", 0, sub { |
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my ($who, $arg) = @_; |
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|
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if ($who->flag (FLAG_WIZ)) { |
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$who->message ("reloading..."); |
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|
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warn "reloading...\n"; |
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eval { |
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$_->cancel for Event::all_watchers; |
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|
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unload_extension $_ for @exts; |
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delete $INC{"cf.pm"}; |
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|
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# don't, removes xs symbols, too |
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#Symbol::delete_package $pkg; |
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|
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require cf; |
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}; |
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warn $@ if $@; |
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$who->message ($@) if $@; |
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warn "reloaded\n"; |
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|
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$who->message ("reloaded"); |
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} else { |
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$who->message ("Intruder Alert!"); |
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} |
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}; |
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|
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############################################################################# |
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# extcmd framework, basically convert ext <id> <pkg> arg1 args |
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# into pkg::->on_extcmd_arg1 (...) while shortcutting a few |
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|
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sub on_extcmd { |
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my ($pl, $buf) = @_; |
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|
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my ($type) = $buf =~ s/^(\S+) // ? $1 : ""; |
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|
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$extcmd{$type}[0]->($pl, $buf) |
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if $extcmd{$type}; |
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} |
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|
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############################################################################# |
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# load/save/clean perl data associated with a map |
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|
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*on_mapclean = sub { |
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my ($map) = @_; |
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|
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my $path = $map->tmpname; |
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defined $path or return; |
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|
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unlink "$path.cfperl"; |
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}; |
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|
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*on_mapin = |
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*on_mapload = sub { |
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my ($map) = @_; |
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|
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my $path = $map->tmpname; |
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$path = $map->path unless defined $path; |
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|
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open my $fh, "<:raw", "$path.cfperl" |
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or return; # no perl data |
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|
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my $data = Storable::thaw do { local $/; <$fh> }; |
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|
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$data->{version} <= 1 |
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or return; # too new |
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|
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$map->_set_obs ($data->{obs}); |
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}; |
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|
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*on_mapout = sub { |
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my ($map) = @_; |
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|
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my $path = $map->tmpname; |
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$path = $map->path unless defined $path; |
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|
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my $obs = $map->_get_obs; |
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|
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if (defined $obs) { |
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open my $fh, ">:raw", "$path.cfperl" |
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or die "$path.cfperl: $!"; |
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|
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stat $path; |
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|
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print $fh Storable::nfreeze { |
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size => (stat _)[7], |
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time => (stat _)[9], |
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version => 1, |
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obs => $obs, |
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}; |
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|
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chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g* |
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} else { |
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unlink "$path.cfperl"; |
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} |
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}; |
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|
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############################################################################# |
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# load/save perl data associated with player->ob objects |
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|
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*on_player_load = sub { |
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my ($ob, $path) = @_; |
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|
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if (open my $fh, "<:raw", "$path.cfperl") { |
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|
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#d##TODO#remove |
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|
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my $data = Storable::thaw do { local $/; <$fh> }; |
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|
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$data->{version} <= 1 |
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or return; # too new |
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|
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%$ob = %{$data->{ob}}; |
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return; |
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} |
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|
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for my $o ($ob, $ob->inv) { |
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if (my $value = $o->get_ob_key_value ("_perl_data")) { |
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$o->set_ob_key_value ("_perl_data"); |
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|
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%$o = %{ Storable::thaw pack "H*", $value }; |
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} |
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} |
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}; |
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|
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*on_player_save = sub { |
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my ($ob, $path) = @_; |
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|
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$_->set_ob_key_value (_perl_data => unpack "H*", Storable::nfreeze $_) |
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for grep %$_, $ob, $ob->inv; |
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|
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unlink "$path.cfperl";#d##TODO#remove |
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}; |
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|
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register "<global>", __PACKAGE__; |
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|
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unshift @INC, maps_directory "perl"; |
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|
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load_extensions; |
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|
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1 |
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|
