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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.34 by root, Sat Apr 15 21:16:49 2006 UTC vs.
Revision 1.143 by root, Mon Apr 16 20:35:28 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
26use utf8;
27
24use AnyEvent; 28use AnyEvent ();
25use BerkeleyDB; 29use Pod::POM ();
26use SDL::OpenGL; 30use File::Path ();
31use Storable (); # finally
32use Fcntl ();
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 bidirectional 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 $msg, "\n";
146}
147
148package CFPlus;
49 149
50sub find_rcfile($) { 150sub find_rcfile($) {
51 my $path; 151 my $path;
52 152
53 for (@INC) { 153 for (grep !ref, @INC) {
54 $path = "$_/CFClient/resources/$_[0]"; 154 $path = "$_/CFPlus/resources/$_[0]";
55 return $path if -r $path; 155 return $path if -r $path;
56 } 156 }
57 157
58 die "FATAL: can't find required file $_[0]\n"; 158 die "FATAL: can't find required file $_[0]\n";
59} 159}
60 160
61sub read_cfg { 161sub read_cfg {
62 my ($file) = @_; 162 my ($file) = @_;
63 163
64 open CFG, $file 164 open my $fh, $file
65 or return; 165 or return;
66 166
67 my $CFG;
68
69 local $/; 167 local $/;
70 $CFG = eval <CFG>; 168 my $CFG = <$fh>;
71 169
72 $::CFG = $CFG; 170 if ($CFG =~ /^---/) { ## TODO compatibility cruft, remove
73 171 require YAML;
74 close CFG; 172 utf8::decode $CFG;
173 $::CFG = YAML::Load ($CFG);
174 } elsif ($CFG =~ /^\{/) {
175 $::CFG = from_json $CFG;
176 } else {
177 $::CFG = eval $CFG; ## todo comaptibility cruft
178 }
75} 179}
76 180
77sub write_cfg { 181sub write_cfg {
78 my ($file) = @_; 182 my ($file) = @_;
79 183
80 open CFG, ">$file" 184 $::CFG->{VERSION} = $::VERSION;
185
186 open my $fh, ">:utf8", $file
81 or return; 187 or return;
82 188 print $fh to_json $::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} 189}
92 190
93mkdir "$Crossfire::VARDIR/pclient", 0777; 191sub http_proxy {
192 my @proxy = win32_proxy_info;
94 193
95our $DB_ENV = new BerkeleyDB::Env 194 if (@proxy) {
96 -Home => "$Crossfire::VARDIR/pclient", 195 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
97 -Cachesize => 1_000_000, 196 } elsif (exists $ENV{http_proxy}) {
98 -ErrFile => "/proc/self/fd/2", 197 $ENV{http_proxy}
99 -ErrPrefix => "DATABASE", 198 } 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($$) {
118 my $data;
119
120 $_[0]->db_get ($_[1], $data) == 0
121 ? $data
122 : (); 199 ()
200 }
123} 201}
124 202
125my %DB_SYNC; 203sub set_proxy {
204 my $proxy = http_proxy
205 or return;
126 206
127sub put($$$) { 207 $ENV{http_proxy} = $proxy;
128 my ($db, $key, $data) = @_; 208}
129 209
130 $db->db_put ($key => $data); 210sub lwp_useragent {
131 211 require LWP::UserAgent;
132 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
133 212
134} 213 CFPlus::set_proxy;
135 214
136package CFClient::Texture; 215 my $ua = LWP::UserAgent->new (
137 216 agent => "cfplus $VERSION",
138use strict; 217 keep_alive => 1,
139 218 env_proxy => 1,
140use Scalar::Util; 219 timeout => 30,
141
142use SDL::OpenGL;
143
144my @textures;
145
146sub new {
147 my ($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 push @textures, $self;
157 Scalar::Util::weaken $textures[-1];
158
159 $self->upload;
160
161 $self
162}
163
164sub new_from_image {
165 my ($class, $image, %arg) = @_;
166
167 $class->new (image => $image, %arg)
168}
169
170sub new_from_file {
171 my ($class, $path) = @_;
172
173 open my $fh, "<:raw", $path
174 or die "$path: $!";
175
176 local $/;
177 $class->new_from_image (<$fh>)
178}
179
180#sub new_from_surface {
181# my ($class, $surface) = @_;
182#
183# $surface->rgba;
184#
185# $class->new (
186# data => $surface->pixels,
187# w => $surface->width,
188# h => $surface->height,
189# )
190#}
191
192sub new_from_layout {
193 my ($class, $layout) = @_;
194
195 my ($w, $h, $data) = $layout->render;
196
197 $class->new (
198 w => $w,
199 h => $h,
200 data => $data,
201 internalformat => GL_ALPHA4,
202 format => GL_ALPHA,
203 type => GL_UNSIGNED_BYTE,
204 ) 220 );
205} 221}
206 222
207sub new_from_opengl { 223sub lwp_check($) {
208 my ($class, $w, $h, $cb) = @_;
209
210 $class->new (w => $w, h => $h, render_cb => $cb)
211}
212
213sub topot {
214 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
215}
216
217sub upload {
218 my ($self) = @_; 224 my ($res) = @_;
219 225
220 return unless $GL_VERSION; 226 $res->is_error
227 and die $res->status_line;
221 228
222 my $data; 229 $res
230}
223 231
224 if (exists $self->{data}) { 232sub fh_nonblocking($$) {
225 $data = $self->{data}; 233 my ($fh, $nb) = @_;
226 234
227 } elsif (exists $self->{render_cb}) { 235 if ($^O eq "MSWin32") {
228 glViewport 0, 0, $self->{w}, $self->{h}; 236 $nb = (! ! $nb) + 0;
229 glMatrixMode GL_PROJECTION; 237 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
230 glLoadIdentity;
231 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
232 glMatrixMode GL_MODELVIEW;
233 glLoadIdentity;
234 $self->{render_cb}->($self, $self->{w}, $self->{h});
235
236 } else { 238 } else {
237 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) 239 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
238 = CFClient::load_image_inline $self->{image};
239 }
240
241 my ($tw, $th) = @$self{qw(w h)};
242
243 unless ($tw && $th) {
244 $tw = $th = 1;
245 $data = "\x00" x 64;
246 }
247
248 $self->{minified} = [CFClient::average $tw, $th, $data]
249 if $self->{minify};
250
251 unless ($GL_NPOT) {
252 # TODO: does not work for zero-sized textures
253 $tw = topot $tw;
254 $th = topot $th;
255
256 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
257 my $bpp = (length $data) / ($self->{w} * $self->{h});
258 $data = pack "(a" . ($tw * $bpp) . ")*",
259 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
260 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
261 }
262 }
263
264 $self->{s} = $self->{w} / $tw;
265 $self->{t} = $self->{h} / $th;
266
267 $self->{name} ||= (glGenTextures 1)->[0];
268
269 glBindTexture GL_TEXTURE_2D, $self->{name};
270
271 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
272 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
273 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
274 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
275 240 }
276 if (defined $data) {
277 glTexImage2D GL_TEXTURE_2D, 0,
278 $self->{internalformat},
279 $tw, $th, # need to pad texture first
280 0,
281 $self->{format},
282 $self->{type},
283 $data;
284 glGetError and die;
285 } else {
286 glCopyTexImage2D GL_TEXTURE_2D, 0,
287 $self->{internalformat},
288 0, 0,
289 $tw, $th,
290 0;
291 glGetError and die "glCopyTexImage2D $tw,$th";
292 }
293}
294 241
295sub DESTROY {
296 my ($self) = @_;
297
298 return unless exists $self->{name};
299
300 glDeleteTextures delete $self->{name};
301} 242}
302 243
303sub restore_state{ 244package CFPlus::Layout;
304 $_->upload 245
305 for grep $_, @textures; 246$CFPlus::OpenGL::SHUTDOWN_HOOK{"CFPlus::Layout"} = sub {
247 reset_glyph_cache;
306}; 248};
307 249
3081; 2501;
309 251
310=back 252=back

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