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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.38 by root, Mon Apr 17 06:50:26 2006 UTC vs.
Revision 1.137 by root, Sat Dec 9 21:26:45 2006 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
26use utf8;
27
24use AnyEvent; 28use AnyEvent ();
25use BerkeleyDB; 29use BerkeleyDB;
26use SDL::OpenGL; 30use Pod::POM ();
31use File::Path ();
32use Storable (); # finally
27 33
28our %GL_EXT; 34BEGIN {
29our $GL_VERSION; 35 use Crossfire::Protocol::Base ();
30 36 *to_json = \&Crossfire::Protocol::Base::to_json;
31our $GL_NPOT; 37 *from_json = \&Crossfire::Protocol::Base::from_json;
32
33sub gl_init {
34 $GL_VERSION = gl_version * 1;
35 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
36
37 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
38
39 glEnable GL_TEXTURE_2D;
40 glEnable GL_COLOR_MATERIAL;
41 glShadeModel GL_FLAT;
42 glDisable GL_DEPTH_TEST;
43 glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
44
45 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
46
47 CFClient::Texture::restore_state ();
48} 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 => $data)
173}
174
175package CFPlus;
49 176
50sub find_rcfile($) { 177sub find_rcfile($) {
51 my $path; 178 my $path;
52 179
53 for (@INC) { 180 for (grep !ref, @INC) {
54 $path = "$_/CFClient/resources/$_[0]"; 181 $path = "$_/CFPlus/resources/$_[0]";
55 return $path if -r $path; 182 return $path if -r $path;
56 } 183 }
57 184
58 die "FATAL: can't find required file $_[0]\n"; 185 die "FATAL: can't find required file $_[0]\n";
59} 186}
60 187
61sub read_cfg { 188sub read_cfg {
62 my ($file) = @_; 189 my ($file) = @_;
63 190
64 open CFG, $file 191 open my $fh, $file
65 or return; 192 or return;
66 193
67 my $CFG;
68
69 local $/; 194 local $/;
70 $CFG = eval <CFG>; 195 my $CFG = <$fh>;
71 196
72 $::CFG = $CFG; 197 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
73 198 require YAML;
74 close CFG; 199 utf8::decode $CFG;
200 $::CFG = YAML::Load ($CFG);
201 } elsif ($CFG =~ /^\{/) {
202 $::CFG = from_json $CFG;
203 } else {
204 $::CFG = eval $CFG; ## todo comaptibility cruft
205 }
75} 206}
76 207
77sub write_cfg { 208sub write_cfg {
78 my ($file) = @_; 209 my ($file) = @_;
79 210
80 open CFG, ">$file" 211 $::CFG->{VERSION} = $::VERSION;
212
213 open my $fh, ">:utf8", $file
81 or return; 214 or return;
215 print $fh to_json $::CFG;
216}
82 217
83 { 218sub http_proxy {
84 require Data::Dumper; 219 my @proxy = win32_proxy_info;
85 local $Data::Dumper::Purity = 1; 220
86 $::CFG->{VERSION} = $::VERSION; 221 if (@proxy) {
87 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]); 222 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
223 } elsif (exists $ENV{http_proxy}) {
224 $ENV{http_proxy}
225 } else {
226 ()
88 } 227 }
89
90 close CFG;
91} 228}
92 229
93mkdir "$Crossfire::VARDIR/pclient", 0777; 230sub set_proxy {
231 my $proxy = http_proxy
232 or return;
94 233
95our $DB_ENV = new BerkeleyDB::Env 234 $ENV{http_proxy} = $proxy;
96 -Home => "$Crossfire::VARDIR/pclient", 235}
97 -Cachesize => 1_000_000, 236
98 -ErrFile => "/proc/self/fd/2", 237sub lwp_useragent {
99 -ErrPrefix => "DATABASE", 238 require LWP::UserAgent;
100 -Verbose => 1, 239
101 -Flags => DB_CREATE | DB_JOINENV | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN, 240 CFPlus::set_proxy;
102 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error"; 241
242 my $ua = LWP::UserAgent->new (
243 agent => "cfplus $VERSION",
244 keep_alive => 1,
245 env_proxy => 1,
246 timeout => 30,
247 );
248}
249
250sub lwp_check($) {
251 my ($res) = @_;
252
253 $res->is_error
254 and die $res->status_line;
255
256 $res
257}
258
259our $DB_ENV;
260our $DB_STATE;
103 261
104sub db_table($) { 262sub db_table($) {
105 my ($table) = @_; 263 my ($table) = @_;
106 264
107 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge; 265 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
108 266
109 new CFClient::Database 267 new CFPlus::Database
110 -Env => $DB_ENV, 268 -Env => $DB_ENV,
111 -Filename => $table, 269 -Filename => $table,
112# -Filename => "database", 270# -Filename => "database",
113# -Subname => $table, 271# -Subname => $table,
272 -Property => DB_CHKSUM,
114 -Flags => DB_CREATE | DB_UPGRADE, 273 -Flags => DB_CREATE | DB_UPGRADE,
115 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"; 274 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"
116} 275}
117 276
118package CFClient::Database; 277our $DB_HOME = "$Crossfire::VARDIR/cfplus";
119 278
120our @ISA = BerkeleyDB::Btree::; 279sub open_db {
121
122sub get($$) {
123 my $data;
124
125 $_[0]->db_get ($_[1], $data) == 0
126 ? $data
127 : ()
128}
129
130my %DB_SYNC;
131
132sub put($$$) {
133 my ($db, $key, $data) = @_;
134
135 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
136
137 $db->db_put ($key => $data)
138}
139
140package CFClient::Texture;
141
142use strict; 280 use strict;
143 281
144use Scalar::Util; 282 mkdir $DB_HOME, 0777;
145 283 my $recover = $BerkeleyDB::db_version >= 4.4
146use SDL::OpenGL; 284 ? eval "DB_REGISTER | DB_RECOVER"
147
148my %TEXTURES;
149
150sub new {
151 my ($class, %data) = @_;
152
153 my $self = bless {
154 internalformat => GL_RGBA,
155 format => GL_RGBA,
156 type => GL_UNSIGNED_BYTE,
157 %data,
158 }, $class;
159
160 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
161
162 $self->upload;
163
164 $self
165}
166
167sub new_from_image {
168 my ($class, $image, %arg) = @_;
169
170 $class->new (image => $image, %arg)
171}
172
173sub new_from_file {
174 my ($class, $path) = @_;
175
176 open my $fh, "<:raw", $path
177 or die "$path: $!";
178
179 local $/;
180 $class->new_from_image (<$fh>)
181}
182
183#sub new_from_surface {
184# my ($class, $surface) = @_;
185#
186# $surface->rgba;
187#
188# $class->new (
189# data => $surface->pixels,
190# w => $surface->width,
191# h => $surface->height,
192# )
193#}
194
195sub new_from_layout {
196 my ($class, $layout) = @_;
197
198 my ($w, $h, $data) = $layout->render;
199
200 $class->new (
201 w => $w,
202 h => $h,
203 data => $data,
204 internalformat => GL_ALPHA4,
205 format => GL_ALPHA,
206 type => GL_UNSIGNED_BYTE,
207 )
208}
209
210sub new_from_opengl {
211 my ($class, $w, $h, $cb) = @_;
212
213 $class->new (w => $w, h => $h, render_cb => $cb)
214}
215
216sub topot {
217 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
218}
219
220sub upload {
221 my ($self) = @_;
222
223 return unless $GL_VERSION;
224
225 my $data;
226
227 if (exists $self->{data}) {
228 $data = $self->{data};
229
230 } elsif (exists $self->{render_cb}) {
231 glViewport 0, 0, $self->{w}, $self->{h};
232 glMatrixMode GL_PROJECTION;
233 glLoadIdentity;
234 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
235 glMatrixMode GL_MODELVIEW;
236 glLoadIdentity;
237 $self->{render_cb}->($self, $self->{w}, $self->{h});
238
239 } else {
240 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
241 = CFClient::load_image_inline $self->{image};
242 }
243
244 my ($tw, $th) = @$self{qw(w h)};
245
246 unless ($tw && $th) {
247 $tw = $th = 1;
248 $data = "\x00" x 64;
249 }
250
251 $self->{minified} = [CFClient::average $tw, $th, $data]
252 if $self->{minify};
253
254 unless ($GL_NPOT) {
255 # TODO: does not work for zero-sized textures
256 $tw = topot $tw;
257 $th = topot $th;
258
259 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
260 my $bpp = (length $data) / ($self->{w} * $self->{h});
261 $data = pack "(a" . ($tw * $bpp) . ")*",
262 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
263 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
264 }
265 }
266
267 $self->{s} = $self->{w} / $tw;
268 $self->{t} = $self->{h} / $th;
269
270 $self->{name} ||= (glGenTextures 1)->[0];
271
272 glBindTexture GL_TEXTURE_2D, $self->{name};
273
274 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
275 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
276 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
277 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
278
279 if (defined $data) {
280 glTexImage2D GL_TEXTURE_2D, 0,
281 $self->{internalformat},
282 $tw, $th, # need to pad texture first
283 0,
284 $self->{format},
285 $self->{type},
286 $data;
287 glGetError and die;
288 } else {
289 glCopyTexImage2D GL_TEXTURE_2D, 0,
290 $self->{internalformat},
291 0, 0,
292 $tw, $th,
293 0; 285 : 0;
294 glGetError and die "glCopyTexImage2D $tw,$th"; 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 $DB_STATE = db_table "state";
298
295 } 299 1
296} 300}
297 301
298sub DESTROY { 302unless (eval { open_db }) {
299 my ($self) = @_; 303 File::Path::rmtree $DB_HOME;
300 304 open_db;
301 delete $TEXTURES{$self+0};
302
303 glDeleteTextures delete $self->{name}
304 if $self->{name};
305} 305}
306 306
307sub restore_state{ 307package CFPlus::Layout;
308 $_->upload 308
309 for values %TEXTURES; 309$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
310 reset_glyph_cache;
310}; 311};
311 312
3121; 3131;
313 314
314=back 315=back

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