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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.33 by root, Sat Apr 15 01:13:45 2006 UTC vs.
Revision 1.186 by root, Tue Aug 19 17:38:29 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 Deliantra::Client; # work around CPAN breakage
16package App::Deliantra; # try to reserve namespace
17package DC;
18
19use Carp ();
16 20
17BEGIN { 21BEGIN {
18 $VERSION = '0.1'; 22 $VERSION = '0.9975';
19 23
20 use XSLoader; 24 use XSLoader;
21 XSLoader::load "CFClient", $VERSION; 25 XSLoader::load "Deliantra::Client", $VERSION;
22} 26}
23 27
24use SDL::OpenGL; 28use utf8;
25 29
26our %GL_EXT; 30use AnyEvent ();
27our $GL_VERSION; 31use Pod::POM ();
32use File::Path ();
33use Storable (); # finally
34use Fcntl ();
35use JSON::XS qw(encode_json decode_json);
28 36
29our $GL_NPOT; 37=item guard { BLOCK }
30 38
31sub gl_init { 39Returns an object that executes the given block as soon as it is destroyed.
32 $GL_VERSION = gl_version * 1;
33 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
34 40
35 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; 41=cut
36 42
37 glEnable GL_TEXTURE_2D; 43sub guard(&) {
38 glEnable GL_COLOR_MATERIAL; 44 bless \(my $cb = $_[0]), "DC::Guard"
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} 45}
46
47sub DC::Guard::DESTROY {
48 ${$_[0]}->()
49}
50
51=item shorten $string[, $maxlength]
52
53=cut
54
55sub shorten($;$) {
56 my ($str, $len) = @_;
57 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
58 $str
59}
60
61sub asxml($) {
62 local $_ = $_[0];
63
64 s/&/&amp;/g;
65 s/>/&gt;/g;
66 s/</&lt;/g;
67
68 $_
69}
70
71sub socketpipe() {
72 socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
73 or die "cannot establish bidirectional pipe: $!\n";
74
75 ($fh1, $fh2)
76}
77
78sub background(&;&) {
79 my ($bg, $cb) = @_;
80
81 my ($fh_r, $fh_w) = DC::socketpipe;
82
83 my $pid = fork;
84
85 if (defined $pid && !$pid) {
86 local $SIG{__DIE__};
87
88 open STDOUT, ">&", $fh_w;
89 open STDERR, ">&", $fh_w;
90 close $fh_r;
91 close $fh_w;
92
93 $| = 1;
94
95 eval { $bg->() };
96
97 if ($@) {
98 my $msg = $@;
99 $msg =~ s/\n+/\n/;
100 warn "FATAL: $msg";
101 DC::_exit 1;
102 }
103
104 # win32 is fucked up, of course. exit will clean stuff up,
105 # which destroys our database etc. _exit will exit ALL
106 # forked processes, because of the dreaded fork emulation.
107 DC::_exit 0;
108 }
109
110 close $fh_w;
111
112 my $buffer;
113
114 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
115 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
116 undef $w;
117 $cb->();
118 return;
119 }
120
121 while ($buffer =~ s/^(.*)\n//) {
122 my $line = $1;
123 $line =~ s/\s+$//;
124 utf8::decode $line;
125 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
126 $cb->(JSON::XS->new->allow_nonref->decode ($1));
127 } else {
128 ::message ({
129 markup => "background($pid): " . DC::asxml $line,
130 });
131 }
132 }
133 });
134}
135
136sub background_msg {
137 my ($msg) = @_;
138
139 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg);
140 $msg =~ s/\n//g;
141 utf8::encode $msg;
142 print $msg, "\n";
143}
144
145package DC;
47 146
48sub find_rcfile($) { 147sub find_rcfile($) {
49 my $path; 148 my $path;
50 149
51 for (@INC) { 150 for (grep !ref, @INC) {
52 $path = "$_/CFClient/resources/$_[0]"; 151 $path = "$_/Deliantra/Client/private/resources/$_[0]";
53 return $path if -r $path; 152 return $path if -r $path;
54 } 153 }
55 154
56 die "FATAL: can't find required file $_[0]\n"; 155 die "FATAL: can't find required file $_[0]\n";
57} 156}
58 157
59sub read_cfg { 158sub read_cfg {
60 my ($file) = @_; 159 my ($file) = @_;
61 160
62 open CFG, $file 161 open my $fh, $file
63 or return; 162 or return;
64 163
65 my $CFG;
66
67 local $/; 164 local $/;
68 $CFG = eval <CFG>; 165 my $CFG = <$fh>;
69 166
70 $::CFG = $CFG; 167 $::CFG = decode_json $CFG;
71
72 close CFG;
73} 168}
74 169
75sub write_cfg { 170sub write_cfg {
76 my ($file) = @_; 171 my $file = "$Deliantra::VARDIR/client.cf";
77 172
78 open CFG, ">$file" 173 $::CFG->{VERSION} = $::VERSION;
174
175 open my $fh, ">:utf8", $file
79 or return; 176 or return;
80 177 print $fh JSON::XS->new->utf8->pretty->encode ($::CFG);
81 {
82 require Data::Dumper;
83 local $Data::Dumper::Purity = 1;
84 $::CFG->{VERSION} = $::VERSION;
85 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
86 }
87
88 close CFG;
89} 178}
90 179
91package CFClient::Texture; 180sub http_proxy {
181 my @proxy = win32_proxy_info;
92 182
93use strict; 183 if (@proxy) {
94 184 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
95use Scalar::Util; 185 } elsif (exists $ENV{http_proxy}) {
96 186 $ENV{http_proxy}
97use SDL::OpenGL;
98
99my @textures;
100
101sub new {
102 my ($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 $self
117}
118
119sub new_from_image {
120 my ($class, $image, %arg) = @_;
121
122 $class->new (image => $image, %arg)
123}
124
125sub new_from_file {
126 my ($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 glMatrixMode GL_PROJECTION;
185 glLoadIdentity;
186 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
187 glMatrixMode GL_MODELVIEW;
188 glLoadIdentity;
189 $self->{render_cb}->($self, $self->{w}, $self->{h});
190
191 } else { 187 } else {
192 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) 188 ()
193 = CFClient::load_image_inline $self->{image};
194 } 189 }
190}
195 191
196 my ($tw, $th) = @$self{qw(w h)}; 192sub set_proxy {
193 my $proxy = http_proxy
194 or return;
197 195
198 unless ($tw && $th) { 196 $ENV{http_proxy} = $proxy;
199 $tw = $th = 1; 197}
200 $data = "\x00" x 64;
201 }
202 198
203 $self->{minified} = [CFClient::average $tw, $th, $data] 199sub lwp_useragent {
204 if $self->{minify}; 200 require LWP::UserAgent;
205
206 unless ($GL_NPOT) {
207 # TODO: does not work for zero-sized textures
208 $tw = topot $tw;
209 $th = topot $th;
210
211 if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
212 my $bpp = (length $data) / ($self->{w} * $self->{h});
213 $data = pack "(a" . ($tw * $bpp) . ")*",
214 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
215 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
216 }
217 }
218
219 $self->{s} = $self->{w} / $tw;
220 $self->{t} = $self->{h} / $th;
221
222 $self->{name} ||= (glGenTextures 1)->[0];
223
224 glBindTexture GL_TEXTURE_2D, $self->{name};
225
226 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
227 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
228 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
229 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
230 201
231 if (defined $data) { 202 DC::set_proxy;
232 glTexImage2D GL_TEXTURE_2D, 0, 203
233 $self->{internalformat}, 204 my $ua = LWP::UserAgent->new (
234 $tw, $th, # need to pad texture first 205 agent => "deliantra $VERSION",
235 0, 206 keep_alive => 1,
236 $self->{format}, 207 env_proxy => 1,
237 $self->{type}, 208 timeout => 30,
238 $data; 209 );
239 glGetError and die; 210}
211
212sub lwp_check($) {
213 my ($res) = @_;
214
215 $res->is_error
216 and die $res->status_line;
217
218 $res
219}
220
221sub fh_nonblocking($$) {
222 my ($fh, $nb) = @_;
223
224 if ($^O eq "MSWin32") {
225 $nb = (! ! $nb) + 0;
226 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
240 } else { 227 } else {
241 glCopyTexImage2D GL_TEXTURE_2D, 0, 228 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
242 $self->{internalformat},
243 0, 0,
244 $tw, $th,
245 0;
246 glGetError and die "glCopyTexImage2D $tw,$th";
247 } 229 }
248} 230}
249 231
250sub DESTROY { 232package DC::Layout;
251 my ($self) = @_;
252 233
253 return unless exists $self->{name}; 234$DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub {
235 glyph_cache_restore;
236};
254 237
255 glDeleteTextures delete $self->{name}; 238$DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub {
256} 239 glyph_cache_backup;
257
258sub restore_state{
259 $_->upload
260 for grep $_, @textures;
261}; 240};
262 241
2631; 2421;
264 243
265=back 244=back

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