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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 1.165 by root, Tue Dec 25 19:23:11 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 = '0.9961';
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 Pod::POM ();
26use SDL::OpenGL; 30use File::Path ();
31use Storable (); # finally
32use Fcntl ();
33use JSON::XS qw(encode_json decode_json);
27 34
28our %GL_EXT; 35=item guard { BLOCK }
29our $GL_VERSION;
30 36
31our $GL_NPOT; 37Returns an object that executes the given block as soon as it is destroyed.
32 38
33sub gl_init { 39=cut
34 $GL_VERSION = gl_version * 1;
35 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
36 40
37 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; 41sub guard(&) {
38 42 bless \(my $cb = $_[0]), "CFPlus::Guard"
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} 43}
44
45sub CFPlus::Guard::DESTROY {
46 ${$_[0]}->()
47}
48
49=item shorten $string[, $maxlength]
50
51=cut
52
53sub shorten($;$) {
54 my ($str, $len) = @_;
55 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
56 $str
57}
58
59sub asxml($) {
60 local $_ = $_[0];
61
62 s/&/&amp;/g;
63 s/>/&gt;/g;
64 s/</&lt;/g;
65
66 $_
67}
68
69sub socketpipe() {
70 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
71 or die "cannot establish bidirectional pipe: $!\n";
72
73 ($fh1, $fh2)
74}
75
76sub background(&;&) {
77 my ($bg, $cb) = @_;
78
79 my ($fh_r, $fh_w) = CFPlus::socketpipe;
80
81 my $pid = fork;
82
83 if (defined $pid && !$pid) {
84 local $SIG{__DIE__};
85
86 open STDOUT, ">&", $fh_w;
87 open STDERR, ">&", $fh_w;
88 close $fh_r;
89 close $fh_w;
90
91 $| = 1;
92
93 eval { $bg->() };
94
95 if ($@) {
96 my $msg = $@;
97 $msg =~ s/\n+/\n/;
98 warn "FATAL: $msg";
99 CFPlus::_exit 1;
100 }
101
102 # win32 is fucked up, of course. exit will clean stuff up,
103 # which destroys our database etc. _exit will exit ALL
104 # forked processes, because of the dreaded fork emulation.
105 CFPlus::_exit 0;
106 }
107
108 close $fh_w;
109
110 my $buffer;
111
112 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
113 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
114 undef $w;
115 $cb->();
116 return;
117 }
118
119 while ($buffer =~ s/^(.*)\n//) {
120 my $line = $1;
121 $line =~ s/\s+$//;
122 utf8::decode $line;
123 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
124 $cb->(JSON::XS->new->allow_nonref->decode ($1));
125 } else {
126 ::message ({
127 markup => "background($pid): " . CFPlus::asxml $line,
128 });
129 }
130 }
131 });
132}
133
134sub background_msg {
135 my ($msg) = @_;
136
137 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg);
138 $msg =~ s/\n//g;
139 utf8::encode $msg;
140 print $msg, "\n";
141}
142
143package CFPlus;
49 144
50sub find_rcfile($) { 145sub find_rcfile($) {
51 my $path; 146 my $path;
52 147
53 for (@INC) { 148 for (grep !ref, @INC) {
54 $path = "$_/CFClient/resources/$_[0]"; 149 $path = "$_/CFPlus/resources/$_[0]";
55 return $path if -r $path; 150 return $path if -r $path;
56 } 151 }
57 152
58 die "FATAL: can't find required file $_[0]\n"; 153 die "FATAL: can't find required file $_[0]\n";
59} 154}
60 155
61sub read_cfg { 156sub read_cfg {
62 my ($file) = @_; 157 my ($file) = @_;
63 158
64 open CFG, $file 159 open my $fh, $file
65 or return; 160 or return;
66 161
67 my $CFG;
68
69 local $/; 162 local $/;
70 $CFG = eval <CFG>; 163 my $CFG = <$fh>;
71 164
72 $::CFG = $CFG; 165 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
73 166 require YAML;
74 close CFG; 167 utf8::decode $CFG;
168 $::CFG = YAML::Load ($CFG);
169 } elsif ($CFG =~ /^\{/) {
170 $::CFG = decode_json $CFG;
171 } else {
172 $::CFG = eval $CFG; ## todo comaptibility cruft
173 }
75} 174}
76 175
77sub write_cfg { 176sub write_cfg {
78 my ($file) = @_; 177 my ($file) = @_;
79 178
80 open CFG, ">$file" 179 $::CFG->{VERSION} = $::VERSION;
180
181 open my $fh, ">:utf8", $file
81 or return; 182 or return;
183 print $fh encode_json $::CFG;
184}
82 185
186sub http_proxy {
187 my @proxy = win32_proxy_info;
188
189 if (@proxy) {
190 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
191 } elsif (exists $ENV{http_proxy}) {
192 $ENV{http_proxy}
193 } else {
194 ()
83 { 195 }
84 require Data::Dumper;
85 local $Data::Dumper::Purity = 1;
86 $::CFG->{VERSION} = $::VERSION;
87 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
88 }
89
90 close CFG;
91} 196}
92 197
93mkdir "$Crossfire::VARDIR/pclient", 0777; 198sub set_proxy {
199 my $proxy = http_proxy
200 or return;
94 201
95our $DB_ENV = new BerkeleyDB::Env 202 $ENV{http_proxy} = $proxy;
96 -Home => "$Crossfire::VARDIR/pclient", 203}
97 -Cachesize => 1_000_000,
98 -ErrFile => "/proc/self/fd/2",
99 -ErrPrefix => "DATABASE",
100 -Verbose => 1,
101 -Flags => DB_CREATE | DB_JOINENV | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
102 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
103 204
104sub db_table($) { 205sub lwp_useragent {
105 my ($table) = @_; 206 require LWP::UserAgent;
106
107 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
108 207
109 new CFClient::Database 208 CFPlus::set_proxy;
110 -Env => $DB_ENV,
111 -Filename => $table,
112# -Filename => "database",
113# -Subname => $table,
114 -Flags => DB_CREATE | DB_UPGRADE,
115 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
116}
117 209
118package CFClient::Database; 210 my $ua = LWP::UserAgent->new (
119 211 agent => "cfplus $VERSION",
120our @ISA = BerkeleyDB::Btree::; 212 keep_alive => 1,
121 213 env_proxy => 1,
122sub get($$) { 214 timeout => 30,
123 my $data;
124
125 $_[0]->db_get ($_[1], $data) == 0
126 ? $data
127 : ()
128}
129
130my %DB_SYNC;
131
132sub put($$$) {
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 => $data)
138}
139
140package CFClient::Texture;
141
142use strict;
143
144use Scalar::Util;
145
146use SDL::OpenGL;
147
148my %TEXTURES;
149
150sub new {
151 my ($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 => $data,
204 internalformat => GL_ALPHA4,
205 format => GL_ALPHA,
206 type => GL_UNSIGNED_BYTE,
207 ) 215 );
208} 216}
209 217
210sub new_from_opengl { 218sub lwp_check($) {
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) = @_; 219 my ($res) = @_;
222 220
223 return unless $GL_VERSION; 221 $res->is_error
222 and die $res->status_line;
224 223
225 my $data; 224 $res
225}
226 226
227 if (exists $self->{data}) { 227sub fh_nonblocking($$) {
228 $data = $self->{data}; 228 my ($fh, $nb) = @_;
229 229
230 } elsif (exists $self->{render_cb}) { 230 if ($^O eq "MSWin32") {
231 glViewport 0, 0, $self->{w}, $self->{h}; 231 $nb = (! ! $nb) + 0;
232 glMatrixMode GL_PROJECTION; 232 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
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}, $self->{h});
238
239 } else { 233 } else {
240 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) 234 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
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;
278 235 }
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;
294 glGetError and die "glCopyTexImage2D $tw,$th";
295 }
296}
297 236
298sub DESTROY {
299 my ($self) = @_;
300
301 delete $TEXTURES{$self+0};
302
303 glDeleteTextures delete $self->{name}
304 if $self->{name};
305} 237}
306 238
307sub restore_state{ 239package CFPlus::Layout;
308 $_->upload 240
309 for values %TEXTURES; 241$CFPlus::OpenGL::INIT_HOOK{"CFPlus::Layout"} = sub {
242 glyph_cache_restore;
243};
244
245$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
246 glyph_cache_backup;
310}; 247};
311 248
3121; 2491;
313 250
314=back 251=back

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