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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.19 by root, Mon Apr 10 19:34:03 2006 UTC vs.
Revision 1.184 by root, Mon Jul 7 12:56:07 2008 UTC

1=head1 NAME 1=head1 NAME
2 2
3Crossfire::Client - 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 Crossfire::Client; 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 Crossfire::Client; 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 = '0.9973';
19 23
20 use XSLoader; 24 use XSLoader;
21 XSLoader::load "Crossfire::Client", $VERSION; 25 XSLoader::load "Deliantra::Client", $VERSION;
22} 26}
23 27
24our %GL_EXT; 28use utf8;
25our $GL_VERSION;
26 29
27our $GL_NPOT; 30use AnyEvent ();
31use Pod::POM ();
32use File::Path ();
33use Storable (); # finally
34use Fcntl ();
35use JSON::XS qw(encode_json decode_json);
28 36
29sub gl_init { 37=item guard { BLOCK }
30 $GL_VERSION = gl_version * 1;
31 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
32 38
33 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; 39Returns an object that executes the given block as soon as it is destroyed.
34 40
35 Crossfire::Client::Texture::restore_state (); 41=cut
36 42
37# $GL_NPOT=0;#d# 43sub guard(&) {
44 bless \(my $cb = $_[0]), "DC::Guard"
38} 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 $msg, "\n";
143}
144
145package DC;
39 146
40sub find_rcfile($) { 147sub find_rcfile($) {
41 my $path; 148 my $path;
42 149
43 for (@INC) { 150 for (grep !ref, @INC) {
44 $path = "$_/Crossfire/resources/$_[0]"; 151 $path = "$_/Deliantra/Client/private/resources/$_[0]";
45 return $path if -r $path; 152 return $path if -r $path;
46 } 153 }
47 154
48 die "FATAL: can't find required file $_[0]\n"; 155 die "FATAL: can't find required file $_[0]\n";
49} 156}
50 157
51sub read_cfg { 158sub read_cfg {
52 my ($file) = @_; 159 my ($file) = @_;
53 160
54 open CFG, $file 161 open my $fh, $file
55 or return; 162 or return;
56 163
57 my $CFG;
58
59 local $/; 164 local $/;
60 $CFG = eval <CFG>; 165 my $CFG = <$fh>;
61 166
62 $::CFG = $CFG; 167 $::CFG = decode_json $CFG;
63
64 close CFG;
65} 168}
66 169
67sub write_cfg { 170sub write_cfg {
68 my ($file) = @_; 171 my $file = "$Deliantra::VARDIR/client.cf";
69 172
70 open CFG, ">$file" 173 $::CFG->{VERSION} = $::VERSION;
174
175 open my $fh, ">:utf8", $file
71 or return; 176 or return;
72 177 print $fh JSON::XS->new->utf8->pretty->encode ($::CFG);
73 {
74 require Data::Dumper;
75 local $Data::Dumper::Purity = 1;
76 $::CFG->{VERSION} = $::VERSION;
77 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
78 }
79
80 close CFG;
81} 178}
82 179
83package Crossfire::Client::Texture; 180sub http_proxy {
181 my @proxy = win32_proxy_info;
84 182
85use Scalar::Util; 183 if (@proxy) {
86 184 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
87use SDL::OpenGL; 185 } elsif (exists $ENV{http_proxy}) {
88 186 $ENV{http_proxy}
89my @textures;
90
91sub new {
92 my ($class, %data) = @_;
93
94 my $self = bless {
95 internalformat => GL_RGBA,
96 format => GL_RGBA,
97 %data,
98 }, $class;
99
100 push @textures, $self;
101 Scalar::Util::weaken $textures[-1];
102
103 $self->upload;
104
105 $self
106}
107
108sub new_from_image {
109 my ($class, $image) = @_;
110
111 $class->new (image => $image)
112}
113
114sub new_from_file {
115 my ($class, $path) = @_;
116
117 open my $fh, "<:raw", $path
118 or die "$path: $!";
119
120 local $/;
121 $class->new_from_image (<$fh>)
122}
123
124#sub new_from_surface {
125# my ($class, $surface) = @_;
126#
127# $surface->rgba;
128#
129# $class->new (
130# data => $surface->pixels,
131# width => $surface->width,
132# height => $surface->height,
133# )
134#}
135
136sub new_from_text {
137 my ($class, $text, $height) = @_;
138
139 my ($w, $h, $data) = Crossfire::Client::font_render $text, $height;
140
141 $class->new (
142 width => $w,
143 height => $h,
144 data => $data,
145 internalformat => GL_ALPHA4,
146 format => GL_ALPHA,
147 )
148}
149
150sub new_from_opengl {
151 my ($class, $w, $h, $cb) = @_;
152
153 $class->new (width => $w, height => $h, rendercb => $cb)
154}
155
156sub topot {
157 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
158}
159
160sub upload {
161 my ($self) = @_;
162
163 return unless $SDL::App::USING_OPENGL;
164
165 my $data;
166
167 if (exists $self->{data}) {
168 $data = $self->{data};
169 } elsif (exists $self->{rendercb}) {
170 glViewport 0, 0, $self->{width}, $self->{height};
171 glMatrixMode GL_PROJECTION;
172 glLoadIdentity;
173 glOrtho 0, $self->{width}, 0, $self->{height}, -10000, 10000;
174 glMatrixMode GL_MODELVIEW;
175 glPushmatrix;
176 glLoadIdentity;
177 glClear GL_COLOR_BUFFER_BIT;
178
179 $self->{rendercb}->($self, $self->{width}, $self->{height});
180 } else { 187 } else {
181 my $pb = new Gtk2::Gdk::PixbufLoader; 188 ()
182 $pb->write ($self->{image});
183 $pb->close;
184
185 $pb = $pb->get_pixbuf;
186 $pb = $pb->add_alpha (0, 0, 0, 0);
187
188 $self->{width} = $pb->get_width;
189 $self->{height} = $pb->get_height;
190
191 $data = $pb->get_pixels;
192 } 189 }
190}
193 191
194 my ($tw, $th) = @$self{qw(width height)}; 192sub set_proxy {
193 my $proxy = http_proxy
194 or return;
195 195
196 unless ($NPOT) { 196 $ENV{http_proxy} = $proxy;
197 $tw = topot $tw; 197}
198 $th = topot $th;
199 198
200 if (defined $data) { 199sub lwp_useragent {
201 $data = pack "(a$tw)*", (unpack "(a$self->{width})*", $data); 200 require LWP::UserAgent;
202 $data .= ("\x00" x $tw) x ($th - $self->{height});
203 }
204 }
205
206 $self->{u} = $self->{width} / $tw;
207 $self->{v} = $self->{height} / $th;
208
209 $self->{name} ||= (glGenTextures 1)->[0];
210
211 glBindTexture GL_TEXTURE_2D, $self->{name};
212
213 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
214 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;#_MIPMAP_LINEAR;
215 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
216 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
217 201
218 glGetError; 202 DC::set_proxy;
219 if (defined $data) { 203
220 glTexImage2D GL_TEXTURE_2D, 0, 204 my $ua = LWP::UserAgent->new (
221 $self->{internalformat}, 205 agent => "deliantra $VERSION",
222 $tw, $th, # need to pad texture first 206 keep_alive => 1,
223 0, 207 env_proxy => 1,
224 $self->{format}, 208 timeout => 30,
225 GL_UNSIGNED_BYTE, 209 );
226 $data; 210}
227 glGetError and die; 211
212sub lwp_check($) {
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
228 } else { 227 } else {
229 glCopyTexImage2D GL_TEXTURE_2D, 0, 228 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
230 $self->{internalformat},
231 0, 0,
232 $tw, $th,
233 0;
234 glPopmatrix;
235 } 229 }
236} 230}
237 231
238sub DESTROY { 232package DC::Layout;
239 my ($self) = @_;
240 233
241 return unless exists $self->{name}; 234$DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub {
235 glyph_cache_restore;
236};
242 237
243 glDeleteTextures delete $self->{name}; 238$DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub {
244} 239 glyph_cache_backup;
245
246sub restore_state{
247 $_->upload
248 for grep $_, @textures;
249}; 240};
250 241
2511; 2421;
252 243
253=back 244=back

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