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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.30 by root, Wed Apr 12 21:35:10 2006 UTC vs.
Revision 1.139 by root, Sun Apr 1 15:08:14 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 SDL::OpenGL; 26use utf8;
25 27
26our %GL_EXT; 28use AnyEvent ();
27our $GL_VERSION; 29use BerkeleyDB;
30use Pod::POM ();
31use File::Path ();
32use Storable (); # finally
28 33
29our $GL_NPOT; 34BEGIN {
30 35 use Crossfire::Protocol::Base ();
31sub gl_init { 36 *to_json = \&Crossfire::Protocol::Base::to_json;
32 $GL_VERSION = gl_version * 1; 37 *from_json = \&Crossfire::Protocol::Base::from_json;
33 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
34
35 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
36
37 glEnable GL_TEXTURE_2D;
38 glEnable GL_COLOR_MATERIAL;
39 glShadeModel GL_FLAT;
40 glDisable GL_DEPTH_TEST;
41 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
42
43 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
44
45 CFClient::Texture::restore_state ();
46} 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 => $data)
173}
174
175package CFPlus;
47 176
48sub find_rcfile($) { 177sub find_rcfile($) {
49 my $path; 178 my $path;
50 179
51 for (@INC) { 180 for (grep !ref, @INC) {
52 $path = "$_/CFClient/resources/$_[0]"; 181 $path = "$_/CFPlus/resources/$_[0]";
53 return $path if -r $path; 182 return $path if -r $path;
54 } 183 }
55 184
56 die "FATAL: can't find required file $_[0]\n"; 185 die "FATAL: can't find required file $_[0]\n";
57} 186}
58 187
59sub read_cfg { 188sub read_cfg {
60 my ($file) = @_; 189 my ($file) = @_;
61 190
62 open CFG, $file 191 open my $fh, $file
63 or return; 192 or return;
64 193
65 my $CFG;
66
67 local $/; 194 local $/;
68 $CFG = eval <CFG>; 195 my $CFG = <$fh>;
69 196
70 $::CFG = $CFG; 197 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
71 198 require YAML;
72 close CFG; 199 utf8::decode $CFG;
200 $::CFG = YAML::Load ($CFG);
201 } elsif ($CFG =~ /^\{/) {
202 $::CFG = from_json $CFG;
203 } else {
204 $::CFG = eval $CFG; ## todo comaptibility cruft
205 }
73} 206}
74 207
75sub write_cfg { 208sub write_cfg {
76 my ($file) = @_; 209 my ($file) = @_;
77 210
78 open CFG, ">$file" 211 $::CFG->{VERSION} = $::VERSION;
212
213 open my $fh, ">:utf8", $file
79 or return; 214 or return;
215 print $fh to_json $::CFG;
216}
80 217
81 { 218sub http_proxy {
82 require Data::Dumper; 219 my @proxy = win32_proxy_info;
83 local $Data::Dumper::Purity = 1; 220
84 $::CFG->{VERSION} = $::VERSION; 221 if (@proxy) {
85 print CFG Data::Dumper->Dump ([$::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 ()
86 } 227 }
87
88 close CFG;
89} 228}
90 229
91package CFClient::Texture; 230sub set_proxy {
231 my $proxy = http_proxy
232 or return;
92 233
93use strict; 234 $ENV{http_proxy} = $proxy;
94
95use Scalar::Util;
96
97use SDL::OpenGL;
98
99my @textures;
100
101sub new {
102 my ($class, %data) = @_;
103
104 my $self = bless {
105 internalformat => GL_RGBA,
106 format => GL_RGBA,
107 type => GL_UNSIGNED_BYTE,
108 %data,
109 }, $class;
110
111 push @textures, $self;
112 Scalar::Util::weaken $textures[-1];
113
114 $self->upload;
115
116 $self
117} 235}
118 236
119sub new_from_image { 237sub lwp_useragent {
120 my ($class, $image) = @_; 238 require LWP::UserAgent;
121
122 $class->new (image => $image)
123}
124
125sub new_from_file {
126 my ($class, $path) = @_;
127
128 open my $fh, "<:raw", $path
129 or die "$path: $!";
130
131 local $/;
132 $class->new_from_image (<$fh>)
133}
134
135#sub new_from_surface {
136# my ($class, $surface) = @_;
137#
138# $surface->rgba;
139#
140# $class->new (
141# data => $surface->pixels,
142# w => $surface->width,
143# h => $surface->height,
144# )
145#}
146
147sub new_from_layout {
148 my ($class, $layout) = @_;
149
150 my ($w, $h, $data) = $layout->render;
151
152 $class->new (
153 w => $w,
154 h => $h,
155 data => $data,
156 internalformat => GL_ALPHA4,
157 format => GL_ALPHA,
158 type => GL_UNSIGNED_BYTE,
159 )
160}
161
162sub new_from_opengl {
163 my ($class, $w, $h, $cb) = @_;
164
165 $class->new (w => $w, h => $h, render_cb => $cb)
166}
167
168sub topot {
169 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
170}
171
172sub upload {
173 my ($self) = @_;
174
175 return unless $GL_VERSION;
176
177 my $data;
178
179 if (exists $self->{data}) {
180 $data = $self->{data};
181
182 } elsif (exists $self->{render_cb}) {
183 glViewport 0, 0, $self->{w}, $self->{h};
184 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
185 glMatrixMode GL_PROJECTION;
186 glLoadIdentity;
187 glMatrixMode GL_MODELVIEW;
188 glLoadIdentity;
189 glClear GL_COLOR_BUFFER_BIT;
190 $self->{render_cb}->($self, $self->{w}, $self->{h});
191
192 } else {
193 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
194 = CFClient::load_image_inline $self->{image};
195 }
196
197 my ($tw, $th) = @$self{qw(w h)};
198
199 unless ($tw && $th) {
200 $tw = $th = 1;
201 $data = "\x00" x 64;
202 }
203
204 unless ($GL_NPOT) {
205 # TODO: does not work for zero-sized textures
206 $tw = topot $tw;
207 $th = topot $th;
208
209 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
210 my $bpp = (length $data) / ($self->{w} * $self->{h});
211 $data = pack "(a" . ($tw * $bpp) . ")*",
212 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
213 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
214 }
215 }
216
217 $self->{s} = $self->{w} / $tw;
218 $self->{t} = $self->{h} / $th;
219
220 $self->{name} ||= (glGenTextures 1)->[0];
221
222 glBindTexture GL_TEXTURE_2D, $self->{name};
223
224 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
225 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
226 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
227 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
228 239
229 if (defined $data) { 240 CFPlus::set_proxy;
230 glTexImage2D GL_TEXTURE_2D, 0, 241
231 $self->{internalformat}, 242 my $ua = LWP::UserAgent->new (
232 $tw, $th, # need to pad texture first 243 agent => "cfplus $VERSION",
233 0, 244 keep_alive => 1,
234 $self->{format}, 245 env_proxy => 1,
235 $self->{type}, 246 timeout => 30,
236 $data; 247 );
237 glGetError and die; 248}
238 } else { 249
239 glCopyTexImage2D GL_TEXTURE_2D, 0, 250sub lwp_check($) {
240 $self->{internalformat}, 251 my ($res) = @_;
241 0, 0, 252
242 $tw, $th, 253 $res->is_error
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"
243 0; 285 : 0;
244 glGetError and die; 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 $DB_STATE = db_table "state";
298
245 } 299 1
246} 300}
247 301
248sub DESTROY { 302unless (eval { open_db }) {
249 my ($self) = @_; 303 File::Path::rmtree $DB_HOME;
250 304 open_db;
251 return unless exists $self->{name};
252
253 glDeleteTextures delete $self->{name};
254} 305}
255 306
256sub restore_state{ 307package CFPlus::Layout;
257 $_->upload 308
258 for grep $_, @textures; 309$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
310 reset_glyph_cache;
259}; 311};
260 312
2611; 3131;
262 314
263=back 315=back

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