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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.21 by root, Tue Apr 11 13:05:11 2006 UTC vs.
Revision 1.139 by root, Sun Apr 1 15:08:14 2007 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
24our %GL_EXT; 26use utf8;
25our $GL_VERSION;
26 27
27our $GL_NPOT; 28use AnyEvent ();
29use BerkeleyDB;
30use Pod::POM ();
31use File::Path ();
32use Storable (); # finally
28 33
29sub gl_init { 34BEGIN {
30 $GL_VERSION = gl_version * 1; 35 use Crossfire::Protocol::Base ();
31 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; 36 *to_json = \&Crossfire::Protocol::Base::to_json;
32 37 *from_json = \&Crossfire::Protocol::Base::from_json;
33 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
34
35 Crossfire::Client::Texture::restore_state ();
36} 38}
39
40=item guard { BLOCK }
41
42Returns an object that executes the given block as soon as it is destroyed.
43
44=cut
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->(JSON::XS->new->allow_nonref->decode ($1));
130 } else {
131 ::message ({
132 markup => "background($pid): " . CFPlus::asxml $line,
133 });
134 }
135 }
136 });
137}
138
139sub background_msg {
140 my ($msg) = @_;
141
142 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($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 => 30, cb => sub {
168 delete $DB_SYNC{$hkey};
169 $db->db_sync if $db;
170 });
171
172 $db->db_put ($key => $data)
173}
174
175package CFPlus;
37 176
38sub find_rcfile($) { 177sub find_rcfile($) {
39 my $path; 178 my $path;
40 179
41 for (@INC) { 180 for (grep !ref, @INC) {
42 $path = "$_/Crossfire/resources/$_[0]"; 181 $path = "$_/CFPlus/resources/$_[0]";
43 return $path if -r $path; 182 return $path if -r $path;
44 } 183 }
45 184
46 die "FATAL: can't find required file $_[0]\n"; 185 die "FATAL: can't find required file $_[0]\n";
47} 186}
48 187
49sub read_cfg { 188sub read_cfg {
50 my ($file) = @_; 189 my ($file) = @_;
51 190
52 open CFG, $file 191 open my $fh, $file
53 or return; 192 or return;
54 193
55 my $CFG;
56
57 local $/; 194 local $/;
58 $CFG = eval <CFG>; 195 my $CFG = <$fh>;
59 196
60 $::CFG = $CFG; 197 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
61 198 require YAML;
62 close CFG; 199 utf8::decode $CFG;
200 $::CFG = YAML::Load ($CFG);
201 } elsif ($CFG =~ /^\{/) {
202 $::CFG = from_json $CFG;
203 } else {
204 $::CFG = eval $CFG; ## todo comaptibility cruft
205 }
63} 206}
64 207
65sub write_cfg { 208sub write_cfg {
66 my ($file) = @_; 209 my ($file) = @_;
67 210
68 open CFG, ">$file" 211 $::CFG->{VERSION} = $::VERSION;
212
213 open my $fh, ">:utf8", $file
69 or return; 214 or return;
215 print $fh to_json $::CFG;
216}
70 217
71 { 218sub http_proxy {
72 require Data::Dumper; 219 my @proxy = win32_proxy_info;
73 local $Data::Dumper::Purity = 1; 220
74 $::CFG->{VERSION} = $::VERSION; 221 if (@proxy) {
75 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]); 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 ()
76 } 227 }
77
78 close CFG;
79} 228}
80 229
81package Crossfire::Client::Texture; 230sub set_proxy {
231 my $proxy = http_proxy
232 or return;
82 233
83use Scalar::Util; 234 $ENV{http_proxy} = $proxy;
84
85use SDL::OpenGL;
86
87my @textures;
88
89sub new {
90 my ($class, %data) = @_;
91
92 my $self = bless {
93 internalformat => GL_RGBA,
94 format => GL_RGBA,
95 %data,
96 }, $class;
97
98 push @textures, $self;
99 Scalar::Util::weaken $textures[-1];
100
101 $self->upload;
102
103 $self
104} 235}
105 236
106sub new_from_image { 237sub lwp_useragent {
107 my ($class, $image) = @_; 238 require LWP::UserAgent;
108
109 $class->new (image => $image)
110}
111
112sub new_from_file {
113 my ($class, $path) = @_;
114
115 open my $fh, "<:raw", $path
116 or die "$path: $!";
117
118 local $/;
119 $class->new_from_image (<$fh>)
120}
121
122#sub new_from_surface {
123# my ($class, $surface) = @_;
124#
125# $surface->rgba;
126#
127# $class->new (
128# data => $surface->pixels,
129# width => $surface->width,
130# height => $surface->height,
131# )
132#}
133
134sub new_from_layout {
135 my ($class, $layout) = @_;
136
137 my ($w, $h, $data) = $layout->render;
138
139 $class->new (
140 width => $w,
141 height => $h,
142 data => $data,
143 internalformat => GL_ALPHA4,
144 format => GL_ALPHA,
145 )
146}
147
148sub new_from_opengl {
149 my ($class, $w, $h, $cb) = @_;
150
151 $class->new (width => $w, height => $h, rendercb => $cb)
152}
153
154sub topot {
155 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
156}
157
158sub upload {
159 my ($self) = @_;
160
161 return unless $SDL::App::USING_OPENGL;
162
163 my $data;
164
165 if (exists $self->{data}) {
166 $data = $self->{data};
167 } elsif (exists $self->{rendercb}) {
168 glViewport 0, 0, $self->{width}, $self->{height};
169 glMatrixMode GL_PROJECTION;
170 glLoadIdentity;
171 glOrtho 0, $self->{width}, 0, $self->{height}, -10000, 10000;
172 glMatrixMode GL_MODELVIEW;
173 glPushmatrix;
174 glLoadIdentity;
175 glClear GL_COLOR_BUFFER_BIT;
176
177 $self->{rendercb}->($self, $self->{width}, $self->{height});
178 } else {
179 my $pb = new Gtk2::Gdk::PixbufLoader;
180 $pb->write ($self->{image});
181 $pb->close;
182
183 $pb = $pb->get_pixbuf;
184 $pb = $pb->add_alpha (0, 0, 0, 0);
185
186 $self->{width} = $pb->get_width;
187 $self->{height} = $pb->get_height;
188
189 $data = $pb->get_pixels;
190 }
191
192 my ($tw, $th) = @$self{qw(width height)};
193
194 unless ($GL_NPOT) {
195 $tw = topot $tw;
196 $th = topot $th;
197
198 if (defined $data) {
199 my $bpp = (length $data) / ($self->{width} * $self->{height});
200 $data = pack "(a" . ($tw * $bpp) . ")*",
201 unpack "(a" . ($self->{width} * $bpp) . ")*", $data;
202 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{height});
203 }
204 }
205
206 $self->{s} = $self->{width} / $tw;
207 $self->{t} = $self->{height} / $th;
208
209 $self->{name} ||= (glGenTextures 1)->[0];
210
211 glBindTexture GL_TEXTURE_2D, $self->{name};
212
213 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
214 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;#_MIPMAP_LINEAR;
215 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
216 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
217 239
218 glGetError; 240 CFPlus::set_proxy;
219 if (defined $data) { 241
220 glTexImage2D GL_TEXTURE_2D, 0, 242 my $ua = LWP::UserAgent->new (
221 $self->{internalformat}, 243 agent => "cfplus $VERSION",
222 $tw, $th, # need to pad texture first 244 keep_alive => 1,
223 0, 245 env_proxy => 1,
224 $self->{format}, 246 timeout => 30,
225 GL_UNSIGNED_BYTE, 247 );
226 $data; 248}
227 glGetError and die; 249
228 } else { 250sub lwp_check($) {
229 glCopyTexImage2D GL_TEXTURE_2D, 0, 251 my ($res) = @_;
230 $self->{internalformat}, 252
231 0, 0, 253 $res->is_error
232 $tw, $th, 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"
233 0; 285 : 0;
234 glPopmatrix; 286
287 $DB_ENV = new BerkeleyDB::Env
288 -Home => $DB_HOME,
289 -Cachesize => 8_000_000,
290 -ErrFile => "$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";
296
297 $DB_STATE = db_table "state";
298
235 } 299 1
236} 300}
237 301
238sub DESTROY { 302unless (eval { open_db }) {
239 my ($self) = @_; 303 File::Path::rmtree $DB_HOME;
240 304 open_db;
241 return unless exists $self->{name};
242
243 glDeleteTextures delete $self->{name};
244} 305}
245 306
246sub restore_state{ 307package CFPlus::Layout;
247 $_->upload 308
248 for grep $_, @textures; 309$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
310 reset_glyph_cache;
249}; 311};
250 312
2511; 3131;
252 314
253=back 315=back

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