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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.36 by root, Sat Apr 15 23:24:59 2006 UTC vs.
Revision 1.183 by root, Mon Jul 7 08:02:17 2008 UTC

1=head1 NAME 1=head1 NAME
2 2
3CFClient - undocumented utility garbage for our crossfire client 3DC - undocumented utility garbage for our deliantra client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use CFClient; 7 use DC;
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 DC;
16
17use Carp ();
16 18
17BEGIN { 19BEGIN {
18 $VERSION = '0.1'; 20 $VERSION = '0.9973';
19 21
20 use XSLoader; 22 use XSLoader;
21 XSLoader::load "CFClient", $VERSION; 23 XSLoader::load "Deliantra::Client", $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]), "DC::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 DC::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) = DC::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 DC::_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 DC::_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): " . DC::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 $msg, "\n";
141}
142
143package DC;
49 144
50sub find_rcfile($) { 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 $path = "$_/Deliantra/Client/private/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 $::CFG = decode_json $CFG;
73
74 close CFG;
75} 166}
76 167
77sub write_cfg { 168sub write_cfg {
78 my ($file) = @_; 169 my $file = "$Deliantra::VARDIR/client.cf";
79 170
80 open CFG, ">$file" 171 $::CFG->{VERSION} = $::VERSION;
172
173 open my $fh, ">:utf8", $file
81 or return; 174 or return;
82 175 print $fh JSON::XS->new->utf8->pretty->encode ($::CFG);
83 {
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} 176}
92 177
93mkdir "$Crossfire::VARDIR/pclient", 0777; 178sub http_proxy {
179 my @proxy = win32_proxy_info;
94 180
95our $DB_ENV = new BerkeleyDB::Env 181 if (@proxy) {
96 -Home => "$Crossfire::VARDIR/pclient", 182 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
97 -Cachesize => 1_000_000, 183 } elsif (exists $ENV{http_proxy}) {
98 -ErrFile => "/proc/self/fd/2", 184 $ENV{http_proxy}
99 -ErrPrefix => "DATABASE", 185 } else {
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: $BerkeleyDB::Error";
103
104sub db_table($) {
105 new CFClient::Database
106 -Env => $DB_ENV,
107 -Filename => "database",
108 -Subname => $_[0],
109 -Flags => DB_CREATE | DB_UPGRADE,
110 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
111}
112
113package CFClient::Database;
114
115our @ISA = BerkeleyDB::Btree::;
116
117sub get($$) {
118 my $data;
119
120 $_[0]->db_get ($_[1], $data) == 0
121 ? $data
122 : (); 186 ()
187 }
123} 188}
124 189
125my %DB_SYNC; 190sub set_proxy {
191 my $proxy = http_proxy
192 or return;
126 193
127sub put($$$) { 194 $ENV{http_proxy} = $proxy;
128 my ($db, $key, $data) = @_; 195}
129 196
130 $db->db_put ($key => $data); 197sub lwp_useragent {
131 198 require LWP::UserAgent;
132 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
133 199
134} 200 DC::set_proxy;
135 201
136package CFClient::Texture; 202 my $ua = LWP::UserAgent->new (
137 203 agent => "deliantra $VERSION",
138use strict; 204 keep_alive => 1,
139 205 env_proxy => 1,
140use Scalar::Util; 206 timeout => 30,
141
142use SDL::OpenGL;
143
144my %TEXTURES;
145
146sub new {
147 my ($class, %data) = @_;
148
149 my $self = bless {
150 internalformat => GL_RGBA,
151 format => GL_RGBA,
152 type => GL_UNSIGNED_BYTE,
153 %data,
154 }, $class;
155
156 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
157
158 $self->upload;
159
160 $self
161}
162
163sub new_from_image {
164 my ($class, $image, %arg) = @_;
165
166 $class->new (image => $image, %arg)
167}
168
169sub new_from_file {
170 my ($class, $path) = @_;
171
172 open my $fh, "<:raw", $path
173 or die "$path: $!";
174
175 local $/;
176 $class->new_from_image (<$fh>)
177}
178
179#sub new_from_surface {
180# my ($class, $surface) = @_;
181#
182# $surface->rgba;
183#
184# $class->new (
185# data => $surface->pixels,
186# w => $surface->width,
187# h => $surface->height,
188# )
189#}
190
191sub new_from_layout {
192 my ($class, $layout) = @_;
193
194 my ($w, $h, $data) = $layout->render;
195
196 $class->new (
197 w => $w,
198 h => $h,
199 data => $data,
200 internalformat => GL_ALPHA4,
201 format => GL_ALPHA,
202 type => GL_UNSIGNED_BYTE,
203 ) 207 );
204} 208}
205 209
206sub new_from_opengl { 210sub lwp_check($) {
207 my ($class, $w, $h, $cb) = @_;
208
209 $class->new (w => $w, h => $h, render_cb => $cb)
210}
211
212sub topot {
213 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
214}
215
216sub upload {
217 my ($self) = @_; 211 my ($res) = @_;
218 212
219 return unless $GL_VERSION; 213 $res->is_error
214 and die $res->status_line;
220 215
221 my $data; 216 $res
217}
222 218
223 if (exists $self->{data}) { 219sub fh_nonblocking($$) {
224 $data = $self->{data}; 220 my ($fh, $nb) = @_;
225 221
226 } elsif (exists $self->{render_cb}) { 222 if ($^O eq "MSWin32") {
227 glViewport 0, 0, $self->{w}, $self->{h}; 223 $nb = (! ! $nb) + 0;
228 glMatrixMode GL_PROJECTION; 224 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
229 glLoadIdentity;
230 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
231 glMatrixMode GL_MODELVIEW;
232 glLoadIdentity;
233 $self->{render_cb}->($self, $self->{w}, $self->{h});
234
235 } else { 225 } else {
236 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) 226 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
237 = CFClient::load_image_inline $self->{image};
238 }
239
240 my ($tw, $th) = @$self{qw(w h)};
241
242 unless ($tw && $th) {
243 $tw = $th = 1;
244 $data = "\x00" x 64;
245 }
246
247 $self->{minified} = [CFClient::average $tw, $th, $data]
248 if $self->{minify};
249
250 unless ($GL_NPOT) {
251 # TODO: does not work for zero-sized textures
252 $tw = topot $tw;
253 $th = topot $th;
254
255 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
256 my $bpp = (length $data) / ($self->{w} * $self->{h});
257 $data = pack "(a" . ($tw * $bpp) . ")*",
258 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
259 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
260 }
261 }
262
263 $self->{s} = $self->{w} / $tw;
264 $self->{t} = $self->{h} / $th;
265
266 $self->{name} ||= (glGenTextures 1)->[0];
267
268 glBindTexture GL_TEXTURE_2D, $self->{name};
269
270 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
271 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
272 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
273 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
274 227 }
275 if (defined $data) {
276 glTexImage2D GL_TEXTURE_2D, 0,
277 $self->{internalformat},
278 $tw, $th, # need to pad texture first
279 0,
280 $self->{format},
281 $self->{type},
282 $data;
283 glGetError and die;
284 } else {
285 glCopyTexImage2D GL_TEXTURE_2D, 0,
286 $self->{internalformat},
287 0, 0,
288 $tw, $th,
289 0;
290 glGetError and die "glCopyTexImage2D $tw,$th";
291 }
292} 228}
293 229
294sub DESTROY { 230package DC::Layout;
295 my ($self) = @_;
296 231
297 delete $TEXTURES{$self+0}; 232$DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub {
233 glyph_cache_restore;
234};
298 235
299 glDeleteTextures delete $self->{name} 236$DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub {
300 if $self->{name}; 237 glyph_cache_backup;
301}
302
303sub restore_state{
304 $_->upload
305 for values %TEXTURES;
306}; 238};
307 239
3081; 2401;
309 241
310=back 242=back

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