--- deliantra/server/lib/cf.pm	2006/07/19 08:50:42	1.22
+++ deliantra/server/lib/cf.pm	2006/07/19 22:19:19	1.23
@@ -3,6 +3,9 @@
 use Symbol;
 use List::Util;
 use Storable;
+use Opcode;
+use Safe;
+use Safe::Hole;
 
 use Event;
 $Event::Eval = 1; # no idea why this is required, but it is
@@ -162,7 +165,7 @@
    $ext_pkg{$base} = $pkg;
 
 #   no strict 'refs';
-#   @{"$pkg\::ISA"} = cf::ext::;
+#   @{"$pkg\::ISA"} = ext::;
 
    register $base, $pkg;
 }
@@ -352,17 +355,70 @@
 #############################################################################
 # core extensions - in perl
 
+=item cf::player::exists $login
+
+Returns true when the given account exists.
+
+=cut
+
+sub cf::player::exists($) {
+   cf::player::find $_[0]
+      or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
+}
+
 # rough implementation of a future "reply" method that works
 # with dialog boxes.
-sub cf::object::player::reply($$;$) {
-   my ($self, $msg, $flags) = @_;
+sub cf::object::player::reply($$$;$) {
+   my ($self, $npc, $msg, $flags) = @_;
+
+   $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
 
-   $flags = cf::NDI_WHITE unless @_ >= 3;
+   $msg = $npc->name . " says: $msg" if $npc;
 
    $self->message ($msg, $flags);
 }
 
 #############################################################################
+# map scripting support
+
+our $safe = new Safe "ext";
+our $safe_hole = new Safe::Hole;
+
+$SIG{FPE} = 'IGNORE';
+
+$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));
+
+# here we would export the classes and methods available to script code
+#@ext::cf::object::player::ISA = @cf::object::player::ISA;
+#@ext::cf::object::map::ISA    = @cf::object::map::ISA;
+
+sub safe_eval($;@) {
+   my ($code, %vars) = @_;
+
+   my $qcode = $code;
+   $qcode =~ s/"/‟/g; # not allowed in #line filenames
+   $qcode =~ s/\n/\\n/g;
+
+   local $_;
+   local @ext::cf::_safe_eval_args = values %vars;
+
+   $safe->reval (
+      "do {\n"
+      . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
+      . "#line 0 \"{$qcode}\"\n"
+      . $code
+      . "\n}"
+   )
+}
+
+sub register_script_function {
+   my ($fun, $cb) = @_;
+
+   no strict 'refs';
+   *{"ext::$fun"} = $safe_hole->wrap ($cb);
+}
+
+#############################################################################
 # initialisation
 
 register "<global>", __PACKAGE__;