--- deliantra/Deliantra-Client/DC.pm	2006/04/06 15:30:09	1.1
+++ deliantra/Deliantra-Client/DC.pm	2006/11/20 16:41:46	1.129
@@ -1,10 +1,10 @@
 =head1 NAME
 
-Crossfire::Client - undocumented utility garbage for our crossfire client
+CFPlus - undocumented utility garbage for our crossfire client
 
 =head1 SYNOPSIS
 
- use Crossfire::Client;
+ use CFPlus;
 
 =head1 DESCRIPTION
 
@@ -12,14 +12,494 @@
 
 =cut
 
-package Crossfire::Client;
+package CFPlus;
+
+use Carp ();
+
+BEGIN {
+   $VERSION = '0.96';
+
+   use XSLoader;
+   XSLoader::load "CFPlus", $VERSION;
+}
+
+use utf8;
+
+use AnyEvent ();
+use BerkeleyDB;
+use Pod::POM ();
+use Scalar::Util ();
+use Storable (); # finally
 
 BEGIN {
-   $VERSION = '0.1';
-   @ISA = qw(Exporter);
+   use Crossfire::Protocol::Base ();
+   *to_json   = \&Crossfire::Protocol::Base::to_json;
+   *from_json = \&Crossfire::Protocol::Base::from_json;
+}
+
+=item guard { BLOCK }
+
+Returns an object that executes the given block as soon as it is destroyed.
+
+=cut
+
+sub guard(&) {
+   bless \(my $cb = $_[0]), "CFPlus::Guard"
+}
+
+sub CFPlus::Guard::DESTROY {
+   ${$_[0]}->()
+}
+
+sub asxml($) {
+   local $_ = $_[0];
+
+   s/&/&/g;
+   s/>/>/g;
+   s/</&lt;/g;
+
+   $_
+}
+
+sub socketpipe() {
+   socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
+      or die "cannot establish bidiretcional pipe: $!\n";
+
+   ($fh1, $fh2)
+}
+
+sub background(&;&) {
+   my ($bg, $cb) = @_;
+
+   my ($fh_r, $fh_w) = CFPlus::socketpipe;
+
+   my $pid = fork;
+
+   if (defined $pid && !$pid) {
+      local $SIG{__DIE__};
+
+      open STDOUT, ">&", $fh_w;
+      open STDERR, ">&", $fh_w;
+      close $fh_r;
+      close $fh_w;
+
+      $| = 1;
+
+      eval { $bg->() };
+
+      if ($@) {
+         my $msg = $@;
+         $msg =~ s/\n+/\n/;
+         warn "FATAL: $msg";
+         CFPlus::_exit 1;
+      }
+
+      # win32 is fucked up, of course. exit will clean stuff up,
+      # which destroys our database etc. _exit will exit ALL
+      # forked processes, because of the dreaded fork emulation.
+      CFPlus::_exit 0;
+   }
+
+   close $fh_w;
+
+   my $buffer;
+
+   my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
+      unless (sysread $fh_r, $buffer, 4096, length $buffer) {
+         undef $w;
+         $cb->();
+         return;
+      }
+
+      while ($buffer =~ s/^(.*)\n//) {
+         my $line = $1;
+         $line =~ s/\s+$//;
+         utf8::decode $line;
+         if ($line =~ /^\x{e877}json_msg (.*)$/s) {
+            $cb->(from_json $1);
+         } else {
+            ::message ({
+               markup => "background($pid): " . CFPlus::asxml $line,
+            });
+         }
+      }
+   });
+}
+
+sub background_msg {
+   my ($msg) = @_;
+
+   $msg = "\x{e877}json_msg " . to_json $msg;
+   $msg =~ s/\n//g;
+   utf8::encode $msg;
+   print $msg, "\n";
+}
+
+package CFPlus::Database;
+
+our @ISA = BerkeleyDB::Btree::;
+
+sub get($$) {
+   my $data;
+
+   $_[0]->db_get ($_[1], $data) == 0
+      ? $data
+      : ()
+}
+
+my %DB_SYNC;
+
+sub put($$$) {
+   my ($db, $key, $data) = @_;
+
+   my $hkey = $db + 0;
+   Scalar::Util::weaken $db;
+   $DB_SYNC{$hkey} ||= AnyEvent->timer (after => 5, cb => sub {
+      delete $DB_SYNC{$hkey};
+      $db->db_sync if $db;
+   });
+
+   $db->db_put ($key => $data)
+}
+
+package CFPlus;
+
+sub find_rcfile($) {
+   my $path;
+
+   for (grep !ref, @INC) {
+      $path = "$_/CFPlus/resources/$_[0]";
+      return $path if -r $path;
+   }
+
+   die "FATAL: can't find required file $_[0]\n";
+}
+
+sub read_cfg {
+   my ($file) = @_;
+
+   open my $fh, $file
+      or return;
+
+   local $/;
+   my $CFG = <$fh>;
+
+   if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
+      require YAML;
+      utf8::decode $CFG;
+      $::CFG = YAML::Load ($CFG);
+   } elsif ($CFG =~ /^\{/) {
+      $::CFG = from_json $CFG;
+   } else {
+      $::CFG = eval $CFG; ## todo comaptibility cruft
+   }
+}
+
+sub write_cfg {
+   my ($file) = @_;
+
+   $::CFG->{VERSION} = $::VERSION;
+
+   open my $fh, ">:utf8", $file
+      or return;
+   print $fh to_json $::CFG;
+}
+
+sub http_proxy {
+   my @proxy = win32_proxy_info;
+
+   if (@proxy) {
+      "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
+   } elsif (exists $ENV{http_proxy}) {
+      $ENV{http_proxy}
+   } else {
+     ()
+   }
+}
+
+sub set_proxy {
+   my $proxy = http_proxy
+      or return;
+
+   $ENV{http_proxy} = $proxy;
+}
+
+sub lwp_useragent {
+   require LWP::UserAgent;
+   
+   CFPlus::set_proxy;
+
+   my $ua = LWP::UserAgent->new (
+      agent      => "cfplus $VERSION",
+      keep_alive => 1,
+      env_proxy  => 1,
+      timeout    => 30,
+   );
+}
+
+sub lwp_check($) {
+   my ($res) = @_;
+
+   $res->is_error
+      and die $res->status_line;
+
+   $res
+}
+
+our $DB_ENV;
+our $DB_STATE;
+
+sub db_table($) {
+   my ($table) = @_;
+
+   $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
+
+   new CFPlus::Database
+      -Env      => $DB_ENV,
+      -Filename => $table,
+#      -Filename => "database",
+#      -Subname  => $table,
+      -Property => DB_CHKSUM,
+      -Flags    => DB_CREATE | DB_UPGRADE,
+         or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"
+}
+
+{
+   use strict;
+
+   mkdir "$Crossfire::VARDIR/cfplus", 0777;
+   my $recover = $BerkeleyDB::db_version >= 4.4 
+                 ? eval "DB_REGISTER | DB_RECOVER"
+                 : 0;
+
+   $DB_ENV = new BerkeleyDB::Env
+                    -Home => "$Crossfire::VARDIR/cfplus",
+                    -Cachesize => 1_000_000,
+                    -ErrFile => "$Crossfire::VARDIR/cfplus/errorlog.txt",
+#                 -ErrPrefix => "DATABASE",
+                    -Verbose => 1,
+                    -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | $recover,
+                    -SetFlags => DB_AUTO_COMMIT | DB_LOG_AUTOREMOVE,
+                       or die "unable to create/open database home $Crossfire::VARDIR/cfplus: $BerkeleyDB::Error";
+
+   $DB_STATE = db_table "state";
+}
+
+package CFPlus::Layout;
+
+$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
+   reset_glyph_cache;
+};
+
+package CFPlus::Item;
+
+use strict;
+use Crossfire::Protocol::Constants;
+
+my $last_enter_count = 1;
+
+sub desc_string {
+   my ($self) = @_;
+
+   my $desc =
+      $self->{nrof} < 2
+         ? $self->{name}
+         : "$self->{nrof} × $self->{name_pl}";
+
+   $self->{flags} & F_OPEN
+      and $desc .= " (open)";
+   $self->{flags} & F_APPLIED
+      and $desc .= " (applied)";
+   $self->{flags} & F_UNPAID
+      and $desc .= " (unpaid)";
+   $self->{flags} & F_MAGIC
+      and $desc .= " (magic)";
+   $self->{flags} & F_CURSED
+      and $desc .= " (cursed)";
+   $self->{flags} & F_DAMNED
+      and $desc .= " (damned)";
+   $self->{flags} & F_LOCKED
+      and $desc .= " *";
+
+   $desc
+}
+
+sub weight_string {
+   my ($self) = @_;
+
+   my $weight = ($self->{nrof} || 1) * $self->{weight};
+
+   $weight < 0 ? "?" : $weight * 0.001
+}
+
+sub do_n_dialog {
+   my ($cb) = @_;
+
+   my $w = new CFPlus::UI::Toplevel
+      on_delete => sub { $_[0]->destroy; 1 },
+      has_close_button => 1,
+   ;
+
+   $w->add (my $vb = new CFPlus::UI::VBox x => "center", y => "center");
+   $vb->add (new CFPlus::UI::Label text => "Enter item count:");
+   $vb->add (my $entry = new CFPlus::UI::Entry
+      text => $last_enter_count,
+      on_activate => sub {
+         my ($entry) = @_;
+         $last_enter_count = $entry->get_text;
+         $cb->($last_enter_count);
+         $w->hide;
+         $w->destroy;
+
+         0
+      },
+      on_escape => sub { $w->destroy; 1 },
+   );
+   $entry->grab_focus;
+   $w->show;
+}
+
+sub update_widgets {
+   my ($self) = @_;
+
+   # necessary to avoid cyclic references
+   Scalar::Util::weaken $self;
+
+   my $button_cb = sub {
+      my (undef, $ev, $x, $y) = @_;
+
+      my $targ = $::CONN->{player}{tag};
+
+      if ($self->{container} == $::CONN->{player}{tag}) {
+         $targ = $::CONN->{open_container};
+      }
+
+      if (($ev->{mod} & CFPlus::KMOD_SHIFT) && $ev->{button} == 1) {
+         $::CONN->send ("move $targ $self->{tag} 0")
+            if $targ || !($self->{flags} & F_LOCKED);
+      } elsif (($ev->{mod} & CFPlus::KMOD_SHIFT) && $ev->{button} == 2) {
+         $self->{flags} & F_LOCKED
+            ? $::CONN->send ("lock " . pack "CN", 0, $self->{tag})
+            : $::CONN->send ("lock " . pack "CN", 1, $self->{tag})
+      } elsif ($ev->{button} == 1) {
+         $::CONN->send ("examine $self->{tag}");
+      } elsif ($ev->{button} == 2) {
+         $::CONN->send ("apply $self->{tag}");
+      } elsif ($ev->{button} == 3) {
+         my $move_prefix = $::CONN->{open_container} ? 'put' : 'drop';
+         if ($self->{container} == $::CONN->{open_container}) {
+            $move_prefix = "take";
+         }
+
+         my @menu_items = (
+            ["examine", sub { $::CONN->send ("examine $self->{tag}") }],
+            ["mark",    sub { $::CONN->send ("mark ". pack "N", $self->{tag}) }],
+            ["ignite/thaw",  # first try of an easier use of flint&steel
+               sub {
+                  $::CONN->send ("mark ". pack "N", $self->{tag});
+                  $::CONN->send ("command apply flint and steel");
+               }
+            ],
+            ["inscribe",  # first try of an easier use of flint&steel
+               sub {
+                  &::open_string_query ("Text to inscribe", sub {
+                     my ($entry, $txt) = @_;
+                     $::CONN->send ("mark ". pack "N", $self->{tag});
+                     $::CONN->send ("command use_skill inscription $txt");
+                  });
+               }
+            ],
+            ["rename",  # first try of an easier use of flint&steel
+               sub {
+                  &::open_string_query ("Rename item to:", sub {
+                     my ($entry, $txt) = @_;
+                     $::CONN->send ("mark ". pack "N", $self->{tag});
+                     $::CONN->send ("command rename to <$txt>");
+                  }, $self->{name},
+                  "If you input no name or erase the current custom name, the custom name will be unset");
+               }
+            ],
+            ["apply",   sub { $::CONN->send ("apply $self->{tag}") }],
+            (
+               $self->{flags} & F_LOCKED
+               ? (
+                  ["unlock", sub { $::CONN->send ("lock " . pack "CN", 0, $self->{tag}) }],
+                 )
+               : (
+                  ["lock",   sub { $::CONN->send ("lock " . pack "CN", 1, $self->{tag}) }],
+                  ["$move_prefix all",   sub { $::CONN->send ("move $targ $self->{tag} 0") }],
+                  ["$move_prefix &lt;n&gt;", 
+                     sub {
+                        do_n_dialog (sub { $::CONN->send ("move $targ $self->{tag} $_[0]") })
+                     }
+                  ]
+               )
+            ),
+         );
+
+         CFPlus::UI::Menu->new (items => \@menu_items)->popup ($ev);
+      }
+
+      1
+   };
+
+   my $tooltip_std = "<small>"
+                   . "Left click - examine item\n"
+                   . "Shift-Left click - " . ($self->{container} ? "move or drop" : "take") . " item\n"
+                   . "Middle click - apply\n"
+                   . "Shift-Middle click - lock/unlock\n"
+                   . "Right click - further options"
+                   . "</small>\n";
+
+   my $bg = $self->{flags} & F_CURSED ? [1  , 0  , 0, 0.5]
+          : $self->{flags} & F_MAGIC  ? [0.2, 0.2, 1, 0.5]
+          : undef;
+
+   $self->{face_widget} ||= new CFPlus::UI::Face 
+      can_events => 1,
+      can_hover  => 1,
+      anim       => $self->{anim},
+      animspeed  => $self->{animspeed}, # TODO# must be set at creation time
+      on_button_down => $button_cb,
+   ;
+   $self->{face_widget}{bg}        = $bg;
+   $self->{face_widget}{face}      = $self->{face};
+   $self->{face_widget}{anim}      = $self->{anim};
+   $self->{face_widget}{animspeed} = $self->{animspeed};
+   $self->{face_widget}->set_tooltip (
+      "<b>Face/Animation.</b>\n"
+    . "Item uses face #$self->{face}. "
+    . ($self->{animspeed} ? "Item uses animation #$self->{anim} at " . (1 / $self->{animspeed}) . "fps. " : "Item is not animated. ")
+    . "\n\n$tooltip_std"
+   );
+   
+   $self->{desc_widget} ||= new CFPlus::UI::Label
+      can_events => 1,
+      can_hover  => 1,
+      ellipsise  => 2,
+      align      => -1,
+      on_button_down => $button_cb,
+   ;
+   my $desc = CFPlus::Item::desc_string $self;
+   $self->{desc_widget}{bg} = $bg;
+   $self->{desc_widget}->set_text ($desc);
+   $self->{desc_widget}->set_tooltip ("<b>$desc</b>.\n$tooltip_std");
 
-   require XSLoader;
-   XSLoader::load "Crossfire::Client", $VERSION;
+   $self->{weight_widget} ||= new CFPlus::UI::Label
+      can_events => 1,
+      can_hover  => 1,
+      ellipsise  => 0,
+      align      => 0,
+      on_button_down => $button_cb,
+   ;
+   $self->{weight_widget}{bg} = $bg;
+   $self->{weight_widget}->set_text (CFPlus::Item::weight_string $self);
+   $self->{weight_widget}->set_tooltip (
+      "<b>Weight</b>.\n"
+    . ($self->{weight} >= 0 ? "One item weighs $self->{weight}g. " : "You have no idea how much this weighs. ")
+    . ($self->{nrof} ? "You have $self->{nrof} of it. " : "Item cannot stack with others of it's kind. ")
+    . "\n\n$tooltip_std"
+   );
 }
 
 1;