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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.3 by root, Fri Apr 7 18:20:13 2006 UTC vs.
Revision 1.137 by root, Sat Dec 9 21:26:45 2006 UTC

1=head1 NAME 1=head1 NAME
2 2
3Crossfire::Client - undocumented utility garbage for our crossfire client 3CFPlus - undocumented utility garbage for our crossfire client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use Crossfire::Client; 7 use CFPlus;
8 8
9=head1 DESCRIPTION 9=head1 DESCRIPTION
10 10
11=over 4 11=over 4
12 12
13=cut 13=cut
14 14
15package Crossfire::Client; 15package CFPlus;
16
17use Carp ();
16 18
17BEGIN { 19BEGIN {
18 $VERSION = '0.1'; 20 $VERSION = '0.97';
19 21
20 use XSLoader; 22 use XSLoader;
21 XSLoader::load "Crossfire::Client", $VERSION; 23 XSLoader::load "CFPlus", $VERSION;
22} 24}
23 25
24package Crossfire::Client::Texture; 26use utf8;
25 27
26use Scalar::Util; 28use AnyEvent ();
29use BerkeleyDB;
30use Pod::POM ();
31use File::Path ();
32use Storable (); # finally
27 33
28use SDL::OpenGL; 34BEGIN {
35 use Crossfire::Protocol::Base ();
36 *to_json = \&Crossfire::Protocol::Base::to_json;
37 *from_json = \&Crossfire::Protocol::Base::from_json;
38}
29 39
30my @textures; 40=item guard { BLOCK }
31 41
32sub new_from_file { 42Returns an object that executes the given block as soon as it is destroyed.
33 my ($class, $path) = @_;
34 43
35 open my $fh, "<:raw", $path 44=cut
36 or die "$path: $!"; 45
46sub guard(&) {
47 bless \(my $cb = $_[0]), "CFPlus::Guard"
48}
49
50sub CFPlus::Guard::DESTROY {
51 ${$_[0]}->()
52}
53
54=item shorten $string[, $maxlength]
55
56=cut
57
58sub shorten($;$) {
59 my ($str, $len) = @_;
60 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
61 $str
62}
63
64sub asxml($) {
65 local $_ = $_[0];
66
67 s/&/&amp;/g;
68 s/>/&gt;/g;
69 s/</&lt;/g;
70
71 $_
72}
73
74sub socketpipe() {
75 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
76 or die "cannot establish bidiretcional pipe: $!\n";
77
78 ($fh1, $fh2)
79}
80
81sub background(&;&) {
82 my ($bg, $cb) = @_;
83
84 my ($fh_r, $fh_w) = CFPlus::socketpipe;
85
86 my $pid = fork;
87
88 if (defined $pid && !$pid) {
89 local $SIG{__DIE__};
90
91 open STDOUT, ">&", $fh_w;
92 open STDERR, ">&", $fh_w;
93 close $fh_r;
94 close $fh_w;
95
96 $| = 1;
97
98 eval { $bg->() };
99
100 if ($@) {
101 my $msg = $@;
102 $msg =~ s/\n+/\n/;
103 warn "FATAL: $msg";
104 CFPlus::_exit 1;
105 }
106
107 # win32 is fucked up, of course. exit will clean stuff up,
108 # which destroys our database etc. _exit will exit ALL
109 # forked processes, because of the dreaded fork emulation.
110 CFPlus::_exit 0;
111 }
112
113 close $fh_w;
114
115 my $buffer;
116
117 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
118 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
119 undef $w;
120 $cb->();
121 return;
122 }
123
124 while ($buffer =~ s/^(.*)\n//) {
125 my $line = $1;
126 $line =~ s/\s+$//;
127 utf8::decode $line;
128 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
129 $cb->(from_json $1);
130 } else {
131 ::message ({
132 markup => "background($pid): " . CFPlus::asxml $line,
133 });
134 }
135 }
136 });
137}
138
139sub background_msg {
140 my ($msg) = @_;
141
142 $msg = "\x{e877}json_msg " . to_json $msg;
143 $msg =~ s/\n//g;
144 utf8::encode $msg;
145 print $msg, "\n";
146}
147
148package CFPlus::Database;
149
150our @ISA = BerkeleyDB::Btree::;
151
152sub get($$) {
153 my $data;
154
155 $_[0]->db_get ($_[1], $data) == 0
156 ? $data
157 : ()
158}
159
160my %DB_SYNC;
161
162sub put($$$) {
163 my ($db, $key, $data) = @_;
164
165 my $hkey = $db + 0;
166 CFPlus::weaken $db;
167 $DB_SYNC{$hkey} ||= AnyEvent->timer (after => 5, cb => sub {
168 delete $DB_SYNC{$hkey};
169 $db->db_sync if $db;
170 });
171
172 $db->db_put ($key => $data)
173}
174
175package CFPlus;
176
177sub find_rcfile($) {
178 my $path;
179
180 for (grep !ref, @INC) {
181 $path = "$_/CFPlus/resources/$_[0]";
182 return $path if -r $path;
183 }
184
185 die "FATAL: can't find required file $_[0]\n";
186}
187
188sub read_cfg {
189 my ($file) = @_;
190
191 open my $fh, $file
192 or return;
37 193
38 local $/; 194 local $/;
39 $class->new_from_data (<$fh>) 195 my $CFG = <$fh>;
40}
41 196
42sub new_from_image { 197 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
43 my ($class, $image) = @_; 198 require YAML;
44 199 utf8::decode $CFG;
45 my $self = bless { 200 $::CFG = YAML::Load ($CFG);
46 image => $data, 201 } elsif ($CFG =~ /^\{/) {
47 }; 202 $::CFG = from_json $CFG;
48
49 push @textures, $self;
50 Scalar::Util::weaken $textures[-1];
51
52 $self->upload;
53
54 $self
55}
56
57sub upload {
58 my ($self) = @_;
59
60 return unless $SDL::App::USING_OPENGL;
61
62 my ($data, $width, $height);
63
64 if (exists $self->{data}) {
65 ($data, $width, $height) = ($self->{data}, $self->{width}, $self->{height});
66 } else { 203 } else {
67 my $pb = new Gtk2::Gdk::PixbufLoader; 204 $::CFG = eval $CFG; ## todo comaptibility cruft
68 $pb->write ($self->{data});
69 $pb->close;
70
71 $pb = $pb->get_pixbuf;
72 $pb = $pb->add_alpha (0, 0, 0, 0);
73
74 ($data, $width, $height) = ($pb->get_pixels, $pb->get_width, $pb->get_height);
75 } 205 }
206}
76 207
77 ($self->{name}) = @{glGenTextures 1}; 208sub write_cfg {
209 my ($file) = @_;
78 210
79 glBindTexture GL_TEXTURE_2D, $self->{name}; 211 $::CFG->{VERSION} = $::VERSION;
80 212
81 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; 213 open my $fh, ">:utf8", $file
82 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR; 214 or return;
83 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; 215 print $fh to_json $::CFG;
84 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; 216}
217
218sub http_proxy {
219 my @proxy = win32_proxy_info;
220
221 if (@proxy) {
222 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
223 } elsif (exists $ENV{http_proxy}) {
224 $ENV{http_proxy}
225 } else {
226 ()
227 }
228}
229
230sub set_proxy {
231 my $proxy = http_proxy
232 or return;
233
234 $ENV{http_proxy} = $proxy;
235}
236
237sub lwp_useragent {
238 require LWP::UserAgent;
85 239
86 glTexImage2D GL_TEXTURE_2D, 0, 240 CFPlus::set_proxy;
87 GL_RGBA8, 241
88 $width, $height, 242 my $ua = LWP::UserAgent->new (
243 agent => "cfplus $VERSION",
244 keep_alive => 1,
245 env_proxy => 1,
246 timeout => 30,
247 );
248}
249
250sub lwp_check($) {
251 my ($res) = @_;
252
253 $res->is_error
254 and die $res->status_line;
255
256 $res
257}
258
259our $DB_ENV;
260our $DB_STATE;
261
262sub db_table($) {
263 my ($table) = @_;
264
265 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
266
267 new CFPlus::Database
268 -Env => $DB_ENV,
269 -Filename => $table,
270# -Filename => "database",
271# -Subname => $table,
272 -Property => DB_CHKSUM,
273 -Flags => DB_CREATE | DB_UPGRADE,
274 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"
275}
276
277our $DB_HOME = "$Crossfire::VARDIR/cfplus";
278
279sub open_db {
280 use strict;
281
282 mkdir $DB_HOME, 0777;
283 my $recover = $BerkeleyDB::db_version >= 4.4
284 ? eval "DB_REGISTER | DB_RECOVER"
89 0, 285 : 0;
90 GL_RGBA,
91 GL_UNSIGNED_BYTE,
92 $data;
93}
94 286
95sub DESTROY { 287 $DB_ENV = new BerkeleyDB::Env
96 my ($self) = @_; 288 -Home => $DB_HOME,
289 -Cachesize => 1_000_000,
290 -ErrFile => "$DB_HOME/errorlog.txt",
291# -ErrPrefix => "DATABASE",
292 -Verbose => 1,
293 -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | $recover,
294 -SetFlags => DB_AUTO_COMMIT | DB_LOG_AUTOREMOVE,
295 or die "unable to create/open database home $DB_HOME: $BerkeleyDB::Error";
97 296
98 return unless exists $self->{name}; 297 $DB_STATE = db_table "state";
99 298
100 glDeleteTextures delete $self->{name}; 299 1
101} 300}
102 301
103push @::GLINIT, sub { 302unless (eval { open_db }) {
104 $_->upload 303 File::Path::rmtree $DB_HOME;
105 for grep $_, @textures; 304 open_db;
305}
306
307package CFPlus::Layout;
308
309$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
310 reset_glyph_cache;
106}; 311};
107 312
1081; 3131;
109 314
110=back 315=back

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