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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.20 by root, Mon Apr 10 22:16:33 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
24our %GL_EXT; 26use utf8;
25our $GL_VERSION;
26 27
27our $GL_NPOT; 28use AnyEvent ();
29use BerkeleyDB;
30use Pod::POM ();
31use Scalar::Util ();
32use File::Path ();
33use Storable (); # finally
28 34
29sub gl_init { 35BEGIN {
30 $GL_VERSION = gl_version * 1; 36 use Crossfire::Protocol::Base ();
31 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; 37 *to_json = \&Crossfire::Protocol::Base::to_json;
32 38 *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} 39}
40
41=item guard { BLOCK }
42
43Returns an object that executes the given block as soon as it is destroyed.
44
45=cut
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 => $data)
174}
175
176package CFPlus;
37 177
38sub find_rcfile($) { 178sub find_rcfile($) {
39 my $path; 179 my $path;
40 180
41 for (@INC) { 181 for (grep !ref, @INC) {
42 $path = "$_/Crossfire/resources/$_[0]"; 182 $path = "$_/CFPlus/resources/$_[0]";
43 return $path if -r $path; 183 return $path if -r $path;
44 } 184 }
45 185
46 die "FATAL: can't find required file $_[0]\n"; 186 die "FATAL: can't find required file $_[0]\n";
47} 187}
48 188
49sub read_cfg { 189sub read_cfg {
50 my ($file) = @_; 190 my ($file) = @_;
51 191
52 open CFG, $file 192 open my $fh, $file
53 or return; 193 or return;
54 194
55 my $CFG;
56
57 local $/; 195 local $/;
58 $CFG = eval <CFG>; 196 my $CFG = <$fh>;
59 197
60 $::CFG = $CFG; 198 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
61 199 require YAML;
62 close CFG; 200 utf8::decode $CFG;
201 $::CFG = YAML::Load ($CFG);
202 } elsif ($CFG =~ /^\{/) {
203 $::CFG = from_json $CFG;
204 } else {
205 $::CFG = eval $CFG; ## todo comaptibility cruft
206 }
63} 207}
64 208
65sub write_cfg { 209sub write_cfg {
66 my ($file) = @_; 210 my ($file) = @_;
67 211
68 open CFG, ">$file" 212 $::CFG->{VERSION} = $::VERSION;
213
214 open my $fh, ">:utf8", $file
69 or return; 215 or return;
216 print $fh to_json $::CFG;
217}
70 218
71 { 219sub http_proxy {
72 require Data::Dumper; 220 my @proxy = win32_proxy_info;
73 local $Data::Dumper::Purity = 1; 221
74 $::CFG->{VERSION} = $::VERSION; 222 if (@proxy) {
75 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]); 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 ()
76 } 228 }
77
78 close CFG;
79} 229}
80 230
81package Crossfire::Client::Texture; 231sub set_proxy {
232 my $proxy = http_proxy
233 or return;
82 234
83use Scalar::Util; 235 $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 $self
104} 236}
105 237
106sub new_from_image { 238sub lwp_useragent {
107 my ($class, $image) = @_; 239 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 => $surface->height,
131# )
132#}
133
134sub new_from_text {
135 my ($class, $text, $height) = @_;
136
137 my ($w, $h, $data) = Crossfire::Client::font_render $text, $height;
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;
217 240
218 glGetError; 241 CFPlus::set_proxy;
219 if (defined $data) { 242
220 glTexImage2D GL_TEXTURE_2D, 0, 243 my $ua = LWP::UserAgent->new (
221 $self->{internalformat}, 244 agent => "cfplus $VERSION",
222 $tw, $th, # need to pad texture first 245 keep_alive => 1,
223 0, 246 env_proxy => 1,
224 $self->{format}, 247 timeout => 30,
225 GL_UNSIGNED_BYTE, 248 );
226 $data; 249}
227 glGetError and die; 250
228 } else { 251sub lwp_check($) {
229 glCopyTexImage2D GL_TEXTURE_2D, 0, 252 my ($res) = @_;
230 $self->{internalformat}, 253
231 0, 0, 254 $res->is_error
232 $tw, $th, 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"
233 0; 286 : 0;
234 glPopmatrix; 287
288 $DB_ENV = new BerkeleyDB::Env
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";
297
298 $DB_STATE = db_table "state";
299
235 } 300 1
236} 301}
237 302
238sub DESTROY { 303unless (eval { open_db }) {
239 my ($self) = @_; 304 File::Path::rmtree $DB_HOME;
240 305 open_db;
241 return unless exists $self->{name};
242
243 glDeleteTextures delete $self->{name};
244} 306}
245 307
246sub restore_state{ 308package CFPlus::Layout;
247 $_->upload 309
248 for grep $_, @textures; 310$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
311 reset_glyph_cache;
249}; 312};
250 313
2511; 3141;
252 315
253=back 316=back

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