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/cvs/deliantra/Deliantra-Client/DC.pm
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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.18 by root, Mon Apr 10 11:55:16 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}
25
26use utf8;
27
28use AnyEvent ();
29use BerkeleyDB;
30use Pod::POM ();
31use File::Path ();
32use Storable (); # finally
33
34BEGIN {
35 use Crossfire::Protocol::Base ();
36 *to_json = \&Crossfire::Protocol::Base::to_json;
37 *from_json = \&Crossfire::Protocol::Base::from_json;
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->(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 => $data)
173}
174
175package CFPlus;
23 176
24sub find_rcfile($) { 177sub find_rcfile($) {
25 my $path; 178 my $path;
26 179
27 for (@INC) { 180 for (grep !ref, @INC) {
28 $path = "$_/Crossfire/resources/$_[0]"; 181 $path = "$_/CFPlus/resources/$_[0]";
29 return $path if -r $path; 182 return $path if -r $path;
30 } 183 }
31 184
32 die "FATAL: can't find required file $_[0]\n"; 185 die "FATAL: can't find required file $_[0]\n";
33} 186}
34 187
35sub read_cfg { 188sub read_cfg {
36 my ($file) = @_; 189 my ($file) = @_;
37 190
38 open CFG, $file 191 open my $fh, $file
39 or return; 192 or return;
40 193
41 my $CFG;
42
43 local $/; 194 local $/;
44 $CFG = eval <CFG>; 195 my $CFG = <$fh>;
45 196
46 $::CFG = $CFG; 197 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
47 198 require YAML;
48 close CFG; 199 utf8::decode $CFG;
200 $::CFG = YAML::Load ($CFG);
201 } elsif ($CFG =~ /^\{/) {
202 $::CFG = from_json $CFG;
203 } else {
204 $::CFG = eval $CFG; ## todo comaptibility cruft
205 }
49} 206}
50 207
51sub write_cfg { 208sub write_cfg {
52 my ($file) = @_; 209 my ($file) = @_;
53 210
54 open CFG, ">$file" 211 $::CFG->{VERSION} = $::VERSION;
212
213 open my $fh, ">:utf8", $file
55 or return; 214 or return;
215 print $fh to_json $::CFG;
216}
56 217
57 { 218sub http_proxy {
58 require Data::Dumper; 219 my @proxy = win32_proxy_info;
59 local $Data::Dumper::Purity = 1; 220
60 $::CFG->{VERSION} = $::VERSION; 221 if (@proxy) {
61 print CFG Data::Dumper->Dump ([$::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 ()
62 } 227 }
63
64 close CFG;
65} 228}
66 229
67package Crossfire::Client::Texture; 230sub set_proxy {
231 my $proxy = http_proxy
232 or return;
68 233
69use Scalar::Util; 234 $ENV{http_proxy} = $proxy;
70
71use SDL::OpenGL;
72
73my @textures;
74
75sub new {
76 my ($class, %data) = @_;
77
78 my $self = bless {
79 internalformat => GL_RGBA,
80 format => GL_RGBA,
81 %data,
82 }, $class;
83
84 push @textures, $self;
85 Scalar::Util::weaken $textures[-1];
86
87 $self->upload;
88
89 $self
90} 235}
91 236
92sub new_from_image { 237sub lwp_useragent {
93 my ($class, $image) = @_; 238 require LWP::UserAgent;
94
95 $class->new (image => $image)
96}
97
98sub new_from_file {
99 my ($class, $path) = @_;
100
101 open my $fh, "<:raw", $path
102 or die "$path: $!";
103
104 local $/;
105 $class->new_from_image (<$fh>)
106}
107
108#sub new_from_surface {
109# my ($class, $surface) = @_;
110#
111# $surface->rgba;
112#
113# $class->new (
114# data => $surface->pixels,
115# width => $surface->width,
116# height => $surface->height,
117# )
118#}
119
120sub new_from_text {
121 my ($class, $text, $height) = @_;
122
123 my ($w, $h, $data) = Crossfire::Client::font_render $text, $height;
124
125 $class->new (
126 width => $w,
127 height => $h,
128 data => $data,
129 internalformat => GL_ALPHA4,
130 format => GL_ALPHA,
131 )
132}
133
134sub new_from_opengl {
135 my ($class, $w, $h, $cb) = @_;
136
137 $class->new (width => $w, height => $h, rendercb => $cb)
138}
139
140sub upload {
141 my ($self) = @_;
142
143 return unless $SDL::App::USING_OPENGL;
144
145 my $data;
146
147 if (exists $self->{data}) {
148 $data = $self->{data};
149 } elsif (exists $self->{rendercb}) {
150 glViewport 0, 0, $self->{width}, $self->{height};
151 glMatrixMode GL_PROJECTION;
152 glLoadIdentity;
153 glOrtho 0, $self->{width}, 0, $self->{height}, -10000, 10000;
154 glMatrixMode GL_MODELVIEW;
155 glPushmatrix;
156 glLoadIdentity;
157 glClear GL_COLOR_BUFFER_BIT;
158
159 $self->{rendercb}->($self, $self->{width}, $self->{height});
160 } else {
161 my $pb = new Gtk2::Gdk::PixbufLoader;
162 $pb->write ($self->{image});
163 $pb->close;
164
165 $pb = $pb->get_pixbuf;
166 $pb = $pb->add_alpha (0, 0, 0, 0);
167
168 $self->{width} = $pb->get_width;
169 $self->{height} = $pb->get_height;
170
171 $data = $pb->get_pixels;
172 }
173
174 ($self->{name}) = @{glGenTextures 1};
175
176 glBindTexture GL_TEXTURE_2D, $self->{name};
177
178 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
179 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;#_MIPMAP_LINEAR;
180 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
181 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
182 239
183 glGetError; 240 CFPlus::set_proxy;
184 if (defined $data) { 241
185 glTexImage2D GL_TEXTURE_2D, 0, 242 my $ua = LWP::UserAgent->new (
186 $self->{internalformat}, 243 agent => "cfplus $VERSION",
187 $self->{width}, $self->{height}, 244 keep_alive => 1,
188 0, 245 env_proxy => 1,
189 $self->{format}, 246 timeout => 30,
190 GL_UNSIGNED_BYTE, 247 );
191 $data; 248}
192 glGetError and die; 249
193 } else { 250sub lwp_check($) {
194 glCopyTexImage2D GL_TEXTURE_2D, 0, 251 my ($res) = @_;
195 $self->{internalformat}, 252
196 0, 0, 253 $res->is_error
197 $self->{width}, $self->{height}, 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"
198 0; 285 : 0;
199 glPopmatrix; 286
287 $DB_ENV = new BerkeleyDB::Env
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";
296
297 $DB_STATE = db_table "state";
298
200 } 299 1
201} 300}
202 301
203sub DESTROY { 302unless (eval { open_db }) {
204 my ($self) = @_; 303 File::Path::rmtree $DB_HOME;
205 304 open_db;
206 return unless exists $self->{name};
207
208 glDeleteTextures delete $self->{name};
209} 305}
210 306
211push @::GL_INIT, sub { 307package CFPlus::Layout;
212 $_->upload 308
213 for grep $_, @textures; 309$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
310 reset_glyph_cache;
214}; 311};
215 312
2161; 3131;
217 314
218=back 315=back

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