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/cvs/deliantra/Deliantra-Client/DC.pm
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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 1.136 by root, Sat Dec 9 02:21:24 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", $VERSION;
22} 24}
23 25
24package Crossfire::Client::Texture; 26use utf8;
25 27
28use AnyEvent ();
29use BerkeleyDB;
30use Pod::POM ();
26use Scalar::Util; 31use Scalar::Util ();
32use File::Path ();
33use Storable (); # finally
27 34
28use SDL::OpenGL; 35BEGIN {
36 use Crossfire::Protocol::Base ();
37 *to_json = \&Crossfire::Protocol::Base::to_json;
38 *from_json = \&Crossfire::Protocol::Base::from_json;
39}
29 40
30my @textures; 41=item guard { BLOCK }
31 42
32sub new_from_file { 43Returns an object that executes the given block as soon as it is destroyed.
33 my ($class, $path) = @_;
34 44
35 open my $fh, "<:raw", $path 45=cut
36 or die "$path: $!"; 46
47sub guard(&) {
48 bless \(my $cb = $_[0]), "CFPlus::Guard"
49}
50
51sub CFPlus::Guard::DESTROY {
52 ${$_[0]}->()
53}
54
55=item shorten $string[, $maxlength]
56
57=cut
58
59sub shorten($;$) {
60 my ($str, $len) = @_;
61 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
62 $str
63}
64
65sub asxml($) {
66 local $_ = $_[0];
67
68 s/&/&amp;/g;
69 s/>/&gt;/g;
70 s/</&lt;/g;
71
72 $_
73}
74
75sub socketpipe() {
76 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
77 or die "cannot establish bidiretcional pipe: $!\n";
78
79 ($fh1, $fh2)
80}
81
82sub background(&;&) {
83 my ($bg, $cb) = @_;
84
85 my ($fh_r, $fh_w) = CFPlus::socketpipe;
86
87 my $pid = fork;
88
89 if (defined $pid && !$pid) {
90 local $SIG{__DIE__};
91
92 open STDOUT, ">&", $fh_w;
93 open STDERR, ">&", $fh_w;
94 close $fh_r;
95 close $fh_w;
96
97 $| = 1;
98
99 eval { $bg->() };
100
101 if ($@) {
102 my $msg = $@;
103 $msg =~ s/\n+/\n/;
104 warn "FATAL: $msg";
105 CFPlus::_exit 1;
106 }
107
108 # win32 is fucked up, of course. exit will clean stuff up,
109 # which destroys our database etc. _exit will exit ALL
110 # forked processes, because of the dreaded fork emulation.
111 CFPlus::_exit 0;
112 }
113
114 close $fh_w;
115
116 my $buffer;
117
118 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
119 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
120 undef $w;
121 $cb->();
122 return;
123 }
124
125 while ($buffer =~ s/^(.*)\n//) {
126 my $line = $1;
127 $line =~ s/\s+$//;
128 utf8::decode $line;
129 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
130 $cb->(from_json $1);
131 } else {
132 ::message ({
133 markup => "background($pid): " . CFPlus::asxml $line,
134 });
135 }
136 }
137 });
138}
139
140sub background_msg {
141 my ($msg) = @_;
142
143 $msg = "\x{e877}json_msg " . to_json $msg;
144 $msg =~ s/\n//g;
145 utf8::encode $msg;
146 print $msg, "\n";
147}
148
149package CFPlus::Database;
150
151our @ISA = BerkeleyDB::Btree::;
152
153sub get($$) {
154 my $data;
155
156 $_[0]->db_get ($_[1], $data) == 0
157 ? $data
158 : ()
159}
160
161my %DB_SYNC;
162
163sub put($$$) {
164 my ($db, $key, $data) = @_;
165
166 my $hkey = $db + 0;
167 Scalar::Util::weaken $db;
168 $DB_SYNC{$hkey} ||= AnyEvent->timer (after => 5, cb => sub {
169 delete $DB_SYNC{$hkey};
170 $db->db_sync if $db;
171 });
172
173 $db->db_put ($key => $data)
174}
175
176package CFPlus;
177
178sub find_rcfile($) {
179 my $path;
180
181 for (grep !ref, @INC) {
182 $path = "$_/CFPlus/resources/$_[0]";
183 return $path if -r $path;
184 }
185
186 die "FATAL: can't find required file $_[0]\n";
187}
188
189sub read_cfg {
190 my ($file) = @_;
191
192 open my $fh, $file
193 or return;
37 194
38 local $/; 195 local $/;
39 $class->new_from_data (<$fh>) 196 my $CFG = <$fh>;
40}
41 197
42sub new_from_image { 198 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
43 my ($class, $image) = @_; 199 require YAML;
44 200 utf8::decode $CFG;
45 my $self = bless { 201 $::CFG = YAML::Load ($CFG);
46 image => $data, 202 } elsif ($CFG =~ /^\{/) {
47 }; 203 $::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 { 204 } else {
67 my $pb = new Gtk2::Gdk::PixbufLoader; 205 $::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, $pb->get_height);
75 } 206 }
207}
76 208
77 ($self->{name}) = @{glGenTextures 1}; 209sub write_cfg {
210 my ($file) = @_;
78 211
79 glBindTexture GL_TEXTURE_2D, $self->{name}; 212 $::CFG->{VERSION} = $::VERSION;
80 213
81 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR; 214 open my $fh, ">:utf8", $file
82 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR; 215 or return;
83 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; 216 print $fh to_json $::CFG;
84 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; 217}
218
219sub http_proxy {
220 my @proxy = win32_proxy_info;
221
222 if (@proxy) {
223 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
224 } elsif (exists $ENV{http_proxy}) {
225 $ENV{http_proxy}
226 } else {
227 ()
228 }
229}
230
231sub set_proxy {
232 my $proxy = http_proxy
233 or return;
234
235 $ENV{http_proxy} = $proxy;
236}
237
238sub lwp_useragent {
239 require LWP::UserAgent;
85 240
86 glTexImage2D GL_TEXTURE_2D, 0, 241 CFPlus::set_proxy;
87 GL_RGBA8, 242
88 $width, $height, 243 my $ua = LWP::UserAgent->new (
244 agent => "cfplus $VERSION",
245 keep_alive => 1,
246 env_proxy => 1,
247 timeout => 30,
248 );
249}
250
251sub lwp_check($) {
252 my ($res) = @_;
253
254 $res->is_error
255 and die $res->status_line;
256
257 $res
258}
259
260our $DB_ENV;
261our $DB_STATE;
262
263sub db_table($) {
264 my ($table) = @_;
265
266 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
267
268 new CFPlus::Database
269 -Env => $DB_ENV,
270 -Filename => $table,
271# -Filename => "database",
272# -Subname => $table,
273 -Property => DB_CHKSUM,
274 -Flags => DB_CREATE | DB_UPGRADE,
275 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"
276}
277
278our $DB_HOME = "$Crossfire::VARDIR/cfplus";
279
280sub open_db {
281 use strict;
282
283 mkdir $DB_HOME, 0777;
284 my $recover = $BerkeleyDB::db_version >= 4.4
285 ? eval "DB_REGISTER | DB_RECOVER"
89 0, 286 : 0;
90 GL_RGBA,
91 GL_UNSIGNED_BYTE,
92 $data;
93}
94 287
95sub DESTROY { 288 $DB_ENV = new BerkeleyDB::Env
96 my ($self) = @_; 289 -Home => $DB_HOME,
290 -Cachesize => 1_000_000,
291 -ErrFile => "$DB_HOME/errorlog.txt",
292# -ErrPrefix => "DATABASE",
293 -Verbose => 1,
294 -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN | $recover,
295 -SetFlags => DB_AUTO_COMMIT | DB_LOG_AUTOREMOVE,
296 or die "unable to create/open database home $DB_HOME: $BerkeleyDB::Error";
97 297
98 return unless exists $self->{name}; 298 $DB_STATE = db_table "state";
99 299
100 glDeleteTextures delete $self->{name}; 300 1
101} 301}
102 302
103push @::GLINIT, sub { 303unless (eval { open_db }) {
104 $_->upload 304 File::Path::rmtree $DB_HOME;
105 for grep $_, @textures; 305 open_db;
306}
307
308package CFPlus::Layout;
309
310$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
311 reset_glyph_cache;
106}; 312};
107 313
1081; 3141;
109 315
110=back 316=back

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