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/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.215
Committed: Wed Jan 18 13:42:19 2012 UTC (12 years, 3 months ago) by root
Branch: MAIN
Changes since 1.214: +14 -2 lines
Log Message:
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File Contents

# Content
1 =head1 NAME
2
3 DC - undocumented utility garbage for our deliantra client
4
5 =head1 SYNOPSIS
6
7 use DC;
8
9 =head1 DESCRIPTION
10
11 =over 4
12
13 =cut
14
15 package DC;
16
17 use Carp ();
18
19 our $VERSION;
20
21 BEGIN {
22 $VERSION = '3.0';
23
24 use XSLoader;
25 XSLoader::load "Deliantra::Client", $VERSION;
26 }
27
28 use utf8;
29 use strict qw(vars subs);
30
31 use Socket ();
32 use AnyEvent ();
33 use AnyEvent::Util ();
34 use Pod::POM ();
35 use File::Path ();
36 use Storable (); # finally
37 use Fcntl ();
38 use JSON::XS qw(encode_json decode_json);
39 use Guard qw(guard);
40
41 # modules to support other DC::* packages
42 use List::Util ();
43 use IO::AIO ();
44 use Coro::AIO ();
45 use AnyEvent::AIO ();
46
47 use Deliantra::Protocol::Constants ();
48
49 =item shorten $string[, $maxlength]
50
51 =cut
52
53 sub shorten($;$) {
54 my ($str, $len) = @_;
55 substr $str, $len, (length $str), "..." if $len + 3 <= length $str;
56 $str
57 }
58
59 sub asxml($) {
60 local $_ = $_[0];
61
62 s/&/&amp;/g;
63 s/>/&gt;/g;
64 s/</&lt;/g;
65
66 $_
67 }
68
69 sub background(&;&) {
70 my ($bg, $cb) = @_;
71
72 my ($fh_r, $fh_w) = AnyEvent::Util::portable_socketpair
73 or die "unable to create background socketpair: $!";
74
75 my $pid = fork;
76
77 if (defined $pid && !$pid) {
78 local $SIG{__DIE__};
79
80 open STDOUT, ">&", $fh_w;
81 open STDERR, ">&", $fh_w;
82 close $fh_r;
83 close $fh_w;
84
85 $| = 1;
86
87 eval { $bg->() };
88
89 if ($@) {
90 my $msg = $@;
91 $msg =~ s/\n+/\n/;
92 warn "FATAL: $msg";
93 DC::_exit 1;
94 }
95
96 # win32 is fucked up, of course. exit will clean stuff up,
97 # which destroys our database etc. _exit will exit ALL
98 # forked processes, because of the dreaded fork emulation.
99 DC::_exit 0;
100 }
101
102 close $fh_w;
103
104 my $buffer;
105
106 my $w; $w = AnyEvent->io (fh => $fh_r, poll => 'r', cb => sub {
107 unless (sysread $fh_r, $buffer, 4096, length $buffer) {
108 undef $w;
109 $cb->();
110 return;
111 }
112
113 while ($buffer =~ s/^(.*)\n//) {
114 my $line = $1;
115 $line =~ s/\s+$//;
116 utf8::decode $line;
117 if ($line =~ /^\x{e877}json_msg (.*)$/s) {
118 $cb->(JSON::XS->new->allow_nonref->decode ($1));
119 } else {
120 ::message ({
121 markup => "background($pid): " . DC::asxml $line,
122 });
123 }
124 }
125 });
126 }
127
128 sub background_msg {
129 my ($msg) = @_;
130
131 $msg = "\x{e877}json_msg " . JSON::XS->new->allow_nonref->encode ($msg);
132 $msg =~ s/\n//g;
133 utf8::encode $msg;
134 print $msg, "\n";
135 }
136
137 package DC;
138
139 our $RC_THEME;
140 our %THEME;
141 our @RC_PATH;
142 our $RC_BASE;
143
144 for (grep !ref, @INC) {
145 $RC_BASE = "$_/Deliantra/Client/private/resources";
146 last if -d $RC_BASE;
147 }
148
149 sub find_rcfile($) {
150 my $path;
151
152 for (@RC_PATH, "") {
153 $path = "$RC_BASE/$_/$_[0]";
154 return $path if -e $path;
155 }
156
157 die "FATAL: can't find required file \"$_[0]\" in \"$RC_BASE\"\n";
158 }
159
160 sub load_json($) {
161 my ($file) = @_;
162
163 open my $fh, $file
164 or return;
165
166 local $/;
167 eval { JSON::XS->new->utf8->relaxed->decode (<$fh>) }
168 }
169
170 sub set_theme($) {
171 return if $RC_THEME eq $_[0];
172 $RC_THEME = $_[0];
173
174 # kind of hacky, find the main theme file, then load all theme files and merge them
175
176 %THEME = ();
177 @RC_PATH = "theme-$RC_THEME";
178
179 my $theme = load_json find_rcfile "theme.json"
180 or die "FATAL: theme resource file not found";
181
182 @RC_PATH = @{ $theme->{path} } if $theme->{path};
183
184 for (@RC_PATH, "") {
185 my $theme = load_json "$RC_BASE/$_/theme.json"
186 or next;
187
188 %THEME = ( %$theme, %THEME );
189 }
190 }
191
192 sub read_cfg($) {
193 my ($file) = @_;
194
195 $::CFG = (load_json $file) || (load_json "$file.bak");
196 }
197
198 sub write_cfg($) {
199 my $file = "$Deliantra::VARDIR/client.cf";
200
201 $::CFG->{VERSION} = $::VERSION;
202 $::CFG->{layout} = DC::UI::get_layout ();
203
204 open my $fh, ">:utf8", "$file~"
205 or return;
206 print $fh JSON::XS->new->utf8->pretty->encode ($::CFG);
207 close $fh;
208
209 rename $file, "$file.bak";
210 rename "$file~", $file;
211 }
212
213 sub load_cfg() {
214 if (-e "$Deliantra::VARDIR/client.cf") {
215 DC::read_cfg "$Deliantra::VARDIR/client.cf";
216 } else {
217 $::CFG = {};
218 }
219 }
220
221 sub save_cfg() {
222 write_cfg "$Deliantra::VARDIR/client.cf";
223 }
224
225 sub upgrade_cfg() {
226 my %DEF_CFG = (
227 config_autosave => 1,
228 sdl_mode => undef,
229 fullscreen => 1,
230 fast => 0,
231 force_opengl11 => undef,
232 disable_alpha => 0,
233 smooth_movement => 1,
234 smooth_transitions => 1,
235 texture_compression => 1,
236 map_scale => 1,
237 fow_enable => 1,
238 fow_intensity => 0,
239 fow_texture => 0,
240 map_smoothing => 1,
241 gui_fontsize => 1,
242 log_fontsize => 0.7,
243 gauge_fontsize => 1,
244 gauge_size => 0.35,
245 stat_fontsize => 0.7,
246 mapsize => 100,
247 audio_enable => 1,
248 audio_hw_channels => 0,
249 audio_hw_frequency => 0,
250 audio_hw_chunksize => 0,
251 audio_mix_channels => 8,
252 effects_enable => 1,
253 effects_volume => 1,
254 bgm_enable => 1,
255 bgm_volume => 0.5,
256 output_rate => "",
257 pickup => Deliantra::Protocol::Constants::PICKUP_SPELLBOOK
258 | Deliantra::Protocol::Constants::PICKUP_SKILLSCROLL
259 | Deliantra::Protocol::Constants::PICKUP_VALUABLES,
260 inv_sort => "mtime",
261 default => "profile", # default profile
262 show_tips => 1,
263 logview_max_par => 1000,
264 shift_fire_stop => 0,
265 uitheme => "wood",
266 map_shift_x => -24, # arbitrary
267 map_shift_y => +24, # arbitrary
268 #db_schema => 0,
269 );
270
271 while (my ($k, $v) = each %DEF_CFG) {
272 $::CFG->{$k} = $v unless exists $::CFG->{$k};
273 }
274 }
275
276 sub http_proxy {
277 my @proxy = win32_proxy_info;
278
279 if (@proxy) {
280 "http://" . (@proxy < 2 ? "" : @proxy < 3 ? "$proxy[1]\@" : "$proxy[1]:$proxy[2]\@") . $proxy[0]
281 } elsif (exists $ENV{http_proxy}) {
282 $ENV{http_proxy}
283 } else {
284 ()
285 }
286 }
287
288 sub set_proxy {
289 my $proxy = http_proxy
290 or return;
291
292 $ENV{http_proxy} = $proxy;
293 }
294
295 sub lwp_useragent {
296 require LWP::UserAgent;
297
298 DC::set_proxy;
299
300 my $ua = LWP::UserAgent->new (
301 agent => "deliantra $VERSION",
302 keep_alive => 1,
303 env_proxy => 1,
304 timeout => 30,
305 );
306 }
307
308 sub lwp_check($) {
309 my ($res) = @_;
310
311 $res->is_error
312 and die $res->status_line;
313
314 $res
315 }
316
317 sub fh_nonblocking($$) {
318 my ($fh, $nb) = @_;
319
320 if ($^O eq "MSWin32") {
321 $nb = (! ! $nb) + 0;
322 ioctl $fh, 0x8004667e, \$nb; # FIONBIO
323 } else {
324 fcntl $fh, &Fcntl::F_SETFL, $nb ? &Fcntl::O_NONBLOCK : 0;
325 }
326 }
327
328 package DC::Layout;
329
330 $DC::OpenGL::INIT_HOOK{"DC::Layout"} = sub {
331 glyph_cache_restore;
332 };
333
334 $DC::OpenGL::SHUTDOWN_HOOK{"DC::Layout"} = sub {
335 glyph_cache_backup;
336 };
337
338 1;
339
340 =back
341
342 =head1 AUTHOR
343
344 Marc Lehmann <schmorp@schmorp.de>
345 http://home.schmorp.de/
346
347 =cut
348