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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.61 by root, Wed May 24 21:49:58 2006 UTC vs.
Revision 1.140 by root, Fri Apr 6 07:45:33 2007 UTC

1=head1 NAME 1=head1 NAME
2 2
3CFClient - 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 CFClient; 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 CFClient; 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 "CFClient", $VERSION; 23 XSLoader::load "CFPlus", $VERSION;
22} 24}
23 25
24use Carp (); 26use utf8;
27
25use AnyEvent (); 28use AnyEvent ();
26use BerkeleyDB; 29use Pod::POM ();
30use File::Path ();
31use Storable (); # finally
27 32
28use CFClient::OpenGL; 33BEGIN {
29 34 use Crossfire::Protocol::Base ();
30our %GL_EXT; 35 *to_json = \&Crossfire::Protocol::Base::to_json;
31our $GL_VERSION; 36 *from_json = \&Crossfire::Protocol::Base::from_json;
32
33our $GL_NPOT;
34our $GL_DEBUG = 1;
35
36sub gl_init {
37 $GL_VERSION = gl_version * 1;
38 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
39
40 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
41 $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right...
42
43 glDisable GL_COLOR_MATERIAL;
44 glShadeModel GL_FLAT;
45 glDisable GL_DITHER;
46 glDisable GL_DEPTH_TEST;
47 glDepthMask 0;
48 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
49
50 CFClient::Texture::restore_state ();
51} 37}
52 38
53sub gl_check { 39=item guard { BLOCK }
54 return unless $GL_DEBUG;
55 40
56 if (my $error = glGetError) { 41Returns an object that executes the given block as soon as it is destroyed.
57 my ($format, @args) = @_; 42
58 Carp::cluck sprintf "opengl error %x while $format", $error, @args; 43=cut
44
45sub guard(&) {
46 bless \(my $cb = $_[0]), "CFPlus::Guard"
47}
48
49sub CFPlus::Guard::DESTROY {
50 ${$_[0]}->()
51}
52
53=item shorten $string[, $maxlength]
54
55=cut
56
57sub shorten($;$) {
58 my ($str, $len) = @_;
59 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
60 $str
61}
62
63sub asxml($) {
64 local $_ = $_[0];
65
66 s/&/&amp;/g;
67 s/>/&gt;/g;
68 s/</&lt;/g;
69
70 $_
71}
72
73sub socketpipe() {
74 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
75 or die "cannot establish bidirectional pipe: $!\n";
76
77 ($fh1, $fh2)
78}
79
80sub background(&;&) {
81 my ($bg, $cb) = @_;
82
83 my ($fh_r, $fh_w) = CFPlus::socketpipe;
84
85 my $pid = fork;
86
87 if (defined $pid && !$pid) {
88 local $SIG{__DIE__};
89
90 open STDOUT, ">&", $fh_w;
91 open STDERR, ">&", $fh_w;
92 close $fh_r;
93 close $fh_w;
94
95 $| = 1;
96
97 eval { $bg->() };
98
99 if ($@) {
100 my $msg = $@;
101 $msg =~ s/\n+/\n/;
102 warn "FATAL: $msg";
103 CFPlus::_exit 1;
104 }
105
106 # win32 is fucked up, of course. exit will clean stuff up,
107 # which destroys our database etc. _exit will exit ALL
108 # forked processes, because of the dreaded fork emulation.
109 CFPlus::_exit 0;
110 }
111
112 close $fh_w;
113
114 my $buffer;
115
116 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
117 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
118 undef $w;
119 $cb->();
120 return;
121 }
122
123 while ($buffer =~ s/^(.*)\n//) {
124 my $line = $1;
125 $line =~ s/\s+$//;
126 utf8::decode $line;
127 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
128 $cb->(JSON::XS->new->allow_nonref->decode ($1));
129 } else {
130 ::message ({
131 markup => "background($pid): " . CFPlus::asxml $line,
132 });
133 }
134 }
59 } 135 });
60} 136}
137
138sub background_msg {
139 my ($msg) = @_;
140
141 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg);
142 $msg =~ s/\n//g;
143 utf8::encode $msg;
144 print $msg, "\n";
145}
146
147package CFPlus;
61 148
62sub find_rcfile($) { 149sub find_rcfile($) {
63 my $path; 150 my $path;
64 151
65 for (grep !ref, @INC) { 152 for (grep !ref, @INC) {
66 $path = "$_/CFClient/resources/$_[0]"; 153 $path = "$_/CFPlus/resources/$_[0]";
67 return $path if -r $path; 154 return $path if -r $path;
68 } 155 }
69 156
70 die "FATAL: can't find required file $_[0]\n"; 157 die "FATAL: can't find required file $_[0]\n";
71} 158}
72 159
73sub read_cfg { 160sub read_cfg {
74 my ($file) = @_; 161 my ($file) = @_;
75 162
76 open CFG, $file 163 open my $fh, $file
77 or return; 164 or return;
78 165
79 my $CFG;
80
81 local $/; 166 local $/;
82 $CFG = eval <CFG>; 167 my $CFG = <$fh>;
83 168
84 $::CFG = $CFG; 169 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
85 170 require YAML;
86 close CFG; 171 utf8::decode $CFG;
172 $::CFG = YAML::Load ($CFG);
173 } elsif ($CFG =~ /^\{/) {
174 $::CFG = from_json $CFG;
175 } else {
176 $::CFG = eval $CFG; ## todo comaptibility cruft
177 }
87} 178}
88 179
89sub write_cfg { 180sub write_cfg {
90 my ($file) = @_; 181 my ($file) = @_;
91 182
92 open CFG, ">$file" 183 $::CFG->{VERSION} = $::VERSION;
184
185 open my $fh, ">:utf8", $file
93 or return; 186 or return;
187 print $fh to_json $::CFG;
188}
94 189
190sub http_proxy {
191 my @proxy = win32_proxy_info;
192
193 if (@proxy) {
194 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
195 } elsif (exists $ENV{http_proxy}) {
196 $ENV{http_proxy}
197 } else {
198 ()
95 { 199 }
96 require Data::Dumper;
97 local $Data::Dumper::Purity = 1;
98 $::CFG->{VERSION} = $::VERSION;
99 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
100 }
101
102 close CFG;
103} 200}
104 201
105mkdir "$Crossfire::VARDIR/pclient", 0777; 202sub set_proxy {
203 my $proxy = http_proxy
204 or return;
106 205
107our $DB_ENV = new BerkeleyDB::Env 206 $ENV{http_proxy} = $proxy;
108 -Home => "$Crossfire::VARDIR/pclient", 207}
109 -Cachesize => 1_000_000,
110 -ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
111# -ErrPrefix => "DATABASE",
112 -Verbose => 1,
113 -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
114 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
115 208
116sub db_table($) { 209sub lwp_useragent {
117 my ($table) = @_; 210 require LWP::UserAgent;
118
119 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
120 211
121 new CFClient::Database 212 CFPlus::set_proxy;
122 -Env => $DB_ENV,
123 -Filename => $table,
124# -Filename => "database",
125# -Subname => $table,
126 -Property => DB_CHKSUM,
127 -Flags => DB_CREATE | DB_UPGRADE,
128 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
129}
130 213
131sub pod_to_pango($) { 214 my $ua = LWP::UserAgent->new (
215 agent => "cfplus $VERSION",
216 keep_alive => 1,
217 env_proxy => 1,
218 timeout => 30,
219 );
220}
221
222sub lwp_check($) {
132 my ($pom) = @_; 223 my ($res) = @_;
133 224
134 $pom->present ("CFClient::PodToPango") 225 $res->is_error
135} 226 and die $res->status_line;
136 227
137sub pod_to_pango_list($) { 228 $res
138 my ($pom) = @_;
139
140 [
141 map s/^(\s*)// && [40 * length $1, length $_ ? $_ : " "],
142 split /\n/, $pom->present ("CFClient::PodToPango")
143 ]
144} 229}
145 230
146package CFClient::PodToPango; 231package CFPlus::Layout;
147 232
148use base Pod::POM::View::Text; 233$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
149 234 reset_glyph_cache;
150our $indent = 0;
151
152*view_seq_code =
153*view_seq_bold = sub { "<b>$_[1]</b>" };
154*view_seq_italic = sub { "<i>$_[1]</i>" };
155*view_seq_space =
156*view_seq_link =
157*view_seq_index = sub { CFClient::UI::Label::escape ($_[1]) };
158
159sub view_seq_text {
160 my $text = $_[1];
161 $text =~ s/\s+/ /g;
162 CFClient::UI::Label::escape ($text)
163}
164
165sub view_item {
166 ("\t" x ($indent / 4))
167 . $_[1]->title->present ($_[0])
168 . "\n"
169 . $_[1]->content->present ($_[0])
170}
171
172sub view_verbatim {
173 (join "",
174 map +("\t" x ($indent / 2)) . "$_\n",
175 split /\n/, CFClient::UI::Label::escape ($_[1]))
176 . "\n"
177}
178
179sub view_textblock {
180 ("\t" x ($indent / 2)) . "$_[1]\n\n"
181}
182
183sub view_head1 {
184 "<span foreground='#ffff00' size='x-large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
185 . $_[1]->content->present ($_[0])
186}; 235};
187
188sub view_head2 {
189 "<span foreground='#ccccff' size='large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
190 . $_[1]->content->present ($_[0])
191};
192
193sub view_over {
194 local $indent = $indent + $_[1]->indent;
195 $_[1]->content->present ($_[0])
196}
197
198package CFClient::Database;
199
200our @ISA = BerkeleyDB::Btree::;
201
202sub get($$) {
203 my $data;
204
205 $_[0]->db_get ($_[1], $data) == 0
206 ? $data
207 : ()
208}
209
210my %DB_SYNC;
211
212sub put($$$) {
213 my ($db, $key, $data) = @_;
214
215 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
216
217 $db->db_put ($key => $data)
218}
219
220package CFClient::Texture;
221
222use strict;
223
224use Scalar::Util;
225
226use CFClient::OpenGL;
227
228my %TEXTURES;
229
230sub new {
231 my ($class, %data) = @_;
232
233 my $self = bless {
234 internalformat => GL_RGBA,
235 format => GL_RGBA,
236 type => GL_UNSIGNED_BYTE,
237 %data,
238 }, $class;
239
240 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
241
242 $self->upload;
243
244 $self
245}
246
247sub new_from_image {
248 my ($class, $image, %arg) = @_;
249
250 $class->new (image => $image, %arg)
251}
252
253sub new_from_file {
254 my ($class, $path, %arg) = @_;
255
256 open my $fh, "<:raw", $path
257 or die "$path: $!";
258
259 local $/;
260 $class->new_from_image (<$fh>, %arg)
261}
262
263#sub new_from_surface {
264# my ($class, $surface) = @_;
265#
266# $surface->rgba;
267#
268# $class->new (
269# data => $surface->pixels,
270# w => $surface->width,
271# h => $surface->height,
272# )
273#}
274
275sub new_from_layout {
276 my ($class, $layout, %arg) = @_;
277
278 my ($w, $h, $data, $format, $internalformat) = $layout->render;
279
280 $class->new (
281 w => $w,
282 h => $h,
283 data => $data,
284 format => $format,
285 internalformat => $format,
286 type => GL_UNSIGNED_BYTE,
287 %arg,
288 )
289}
290
291sub new_from_opengl {
292 my ($class, $w, $h, $cb) = @_;
293
294 $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
295}
296
297sub topot {
298 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
299}
300
301sub upload {
302 my ($self) = @_;
303
304 return unless $GL_VERSION;
305
306 my $data;
307
308 if (exists $self->{data}) {
309 $data = $self->{data};
310
311 } elsif (exists $self->{render_cb}) {
312 glViewport 0, 0, $self->{w}, $self->{h};
313 glMatrixMode GL_PROJECTION;
314 glLoadIdentity;
315 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
316 glMatrixMode GL_MODELVIEW;
317 glLoadIdentity;
318 $self->{render_cb}->($self, $self->{w}, $self->{h});
319
320 } else {
321 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
322 = CFClient::load_image_inline $self->{image};
323 }
324
325 my ($tw, $th) = @$self{qw(w h)};
326
327 unless ($tw > 0 && $th > 0) {
328 $tw = $th = 1;
329 $data = "\x00" x 64;
330 }
331
332 $self->{minified} = [CFClient::average $tw, $th, $data]
333 if $self->{minify};
334
335 unless ($GL_NPOT) {
336 # TODO: does not work for zero-sized textures
337 $tw = topot $tw;
338 $th = topot $th;
339
340 if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
341 my $bpp = (length $data) / ($self->{w} * $self->{h});
342 $data = pack "(a" . ($tw * $bpp) . ")*",
343 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
344 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
345 }
346 }
347
348 $self->{s} = $self->{w} / $tw;
349 $self->{t} = $self->{h} / $th;
350
351 $self->{name} ||= glGenTexture;
352
353 glBindTexture GL_TEXTURE_2D, $self->{name};
354
355 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
356 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
357
358 if ($::FAST) {
359 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
360 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
361 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
362 # alternatively check for 0x8191
363 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
364 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
365 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
366 } else {
367 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
368 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
369 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
370 }
371
372 glGetError;
373
374 if (defined $data) {
375 glTexImage2D GL_TEXTURE_2D, 0,
376 $self->{internalformat},
377 $tw, $th,
378 0,
379 $self->{format},
380 $self->{type},
381 $data;
382 CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
383 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
384 } else {
385 glCopyTexImage2D GL_TEXTURE_2D, 0,
386 $self->{internalformat},
387 0, 0,
388 $tw, $th,
389 0;
390 CFClient::gl_check "copying to texture %dx%d if=%x",
391 $tw, $th, $self->{internalformat};
392 }
393
394 glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side
395}
396
397sub DESTROY {
398 my ($self) = @_;
399
400 delete $TEXTURES{$self+0};
401
402 glDeleteTexture delete $self->{name}
403 if $self->{name};
404}
405
406sub restore_state {
407 $_->upload
408 for values %TEXTURES;
409}
410 236
4111; 2371;
412 238
413=back 239=back
414 240

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