ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.58
Committed: Tue May 23 00:26:17 2006 UTC (17 years, 11 months ago) by root
Branch: MAIN
Changes since 1.57: +1 -1 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 =head1 NAME
2
3 CFClient - undocumented utility garbage for our crossfire client
4
5 =head1 SYNOPSIS
6
7 use CFClient;
8
9 =head1 DESCRIPTION
10
11 =over 4
12
13 =cut
14
15 package CFClient;
16
17 BEGIN {
18 $VERSION = '0.1';
19
20 use XSLoader;
21 XSLoader::load "CFClient", $VERSION;
22 }
23
24 use Carp ();
25 use AnyEvent ();
26 use BerkeleyDB;
27
28 use CFClient::OpenGL;
29
30 our %GL_EXT;
31 our $GL_VERSION;
32
33 our $GL_NPOT;
34 our $GL_DEBUG = 1;
35
36 sub gl_init {
37 $GL_VERSION = gl_version * 1;
38 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
39
40 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
41
42 glDisable GL_COLOR_MATERIAL;
43 glShadeModel GL_FLAT;
44 glDisable GL_DITHER;
45 glDisable GL_DEPTH_TEST;
46 glDepthMask 0;
47 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
48
49 CFClient::Texture::restore_state ();
50 }
51
52 sub gl_check {
53 return unless $GL_DEBUG;
54
55 if (my $error = glGetError) {
56 Carp::cluck sprintf "opengl error %x while %s", $error, &sprintf(@_);
57 }
58 }
59
60 sub find_rcfile($) {
61 my $path;
62
63 for (grep !ref, @INC) {
64 $path = "$_/CFClient/resources/$_[0]";
65 return $path if -r $path;
66 }
67
68 die "FATAL: can't find required file $_[0]\n";
69 }
70
71 sub read_cfg {
72 my ($file) = @_;
73
74 open CFG, $file
75 or return;
76
77 my $CFG;
78
79 local $/;
80 $CFG = eval <CFG>;
81
82 $::CFG = $CFG;
83
84 close CFG;
85 }
86
87 sub write_cfg {
88 my ($file) = @_;
89
90 open CFG, ">$file"
91 or return;
92
93 {
94 require Data::Dumper;
95 local $Data::Dumper::Purity = 1;
96 $::CFG->{VERSION} = $::VERSION;
97 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
98 }
99
100 close CFG;
101 }
102
103 mkdir "$Crossfire::VARDIR/pclient", 0777;
104
105 our $DB_ENV = new BerkeleyDB::Env
106 -Home => "$Crossfire::VARDIR/pclient",
107 -Cachesize => 1_000_000,
108 -ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
109 # -ErrPrefix => "DATABASE",
110 -Verbose => 1,
111 -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
112 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
113
114 sub db_table($) {
115 my ($table) = @_;
116
117 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
118
119 new CFClient::Database
120 -Env => $DB_ENV,
121 -Filename => $table,
122 # -Filename => "database",
123 # -Subname => $table,
124 -Property => DB_CHKSUM,
125 -Flags => DB_CREATE | DB_UPGRADE,
126 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
127 }
128
129 sub pod_to_pango($) {
130 my ($pom) = @_;
131
132 $pom->present ("CFClient::PodToPango")
133 }
134
135 package CFClient::PodToPango;
136
137 use base Pod::POM::View::Text;
138
139 our $indent = 0;
140
141 *view_seq_code =
142 *view_seq_bold = sub { "<b>$_[1]</b>" };
143 *view_seq_italic = sub { "<i>$_[1]</i>" };
144 *view_seq_space =
145 *view_seq_link =
146 *view_seq_index = sub { CFClient::UI::Label::escape ($_[1]) };
147
148 sub view_seq_text {
149 my $text = $_[1];
150 $text =~ s/\s+/ /g;
151 CFClient::UI::Label::escape ($text)
152 }
153
154 sub view_item {
155 ("\t" x ($indent / 4))
156 . $_[1]->title->present ($_[0])
157 . "\n"
158 . $_[1]->content->present ($_[0])
159 }
160
161 sub view_verbatim {
162 (join "",
163 map +("\t" x ($indent / 2)) . "$_\n",
164 split /\n/, CFClient::UI::Label::escape ($_[1]))
165 . "\n"
166 }
167
168 sub view_textblock {
169 ("\t" x ($indent / 2)) . "$_[1]\n\n"
170 }
171
172 sub view_head2 {
173 "<big>" . $_[1]->title->present ($_[0]) . "</big>\n\n"
174 . $_[1]->content->present ($_[0])
175 };
176
177 sub view_over {
178 local $indent = $indent + $_[1]->indent;
179 $_[1]->content->present ($_[0])
180 }
181
182 package CFClient::Database;
183
184 our @ISA = BerkeleyDB::Btree::;
185
186 sub get($$) {
187 my $data;
188
189 $_[0]->db_get ($_[1], $data) == 0
190 ? $data
191 : ()
192 }
193
194 my %DB_SYNC;
195
196 sub put($$$) {
197 my ($db, $key, $data) = @_;
198
199 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
200
201 $db->db_put ($key => $data)
202 }
203
204 package CFClient::Texture;
205
206 use strict;
207
208 use Scalar::Util;
209
210 use CFClient::OpenGL;
211
212 my %TEXTURES;
213
214 sub new {
215 my ($class, %data) = @_;
216
217 my $self = bless {
218 internalformat => GL_RGBA,
219 format => GL_RGBA,
220 type => GL_UNSIGNED_BYTE,
221 %data,
222 }, $class;
223
224 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
225
226 $self->upload;
227
228 $self
229 }
230
231 sub new_from_image {
232 my ($class, $image, %arg) = @_;
233
234 $class->new (image => $image, %arg)
235 }
236
237 sub new_from_file {
238 my ($class, $path, %arg) = @_;
239
240 open my $fh, "<:raw", $path
241 or die "$path: $!";
242
243 local $/;
244 $class->new_from_image (<$fh>, %arg)
245 }
246
247 #sub new_from_surface {
248 # my ($class, $surface) = @_;
249 #
250 # $surface->rgba;
251 #
252 # $class->new (
253 # data => $surface->pixels,
254 # w => $surface->width,
255 # h => $surface->height,
256 # )
257 #}
258
259 sub new_from_layout {
260 my ($class, $layout, %arg) = @_;
261
262 my ($w, $h, $data, $format, $internalformat) = $layout->render;
263
264 $class->new (
265 w => $w,
266 h => $h,
267 data => $data,
268 format => $format,
269 internalformat => $format,
270 type => GL_UNSIGNED_BYTE,
271 %arg,
272 )
273 }
274
275 sub new_from_opengl {
276 my ($class, $w, $h, $cb) = @_;
277
278 $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
279 }
280
281 sub topot {
282 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
283 }
284
285 sub upload {
286 my ($self) = @_;
287
288 return unless $GL_VERSION;
289
290 my $data;
291
292 if (exists $self->{data}) {
293 $data = $self->{data};
294
295 } elsif (exists $self->{render_cb}) {
296 glViewport 0, 0, $self->{w}, $self->{h};
297 glMatrixMode GL_PROJECTION;
298 glLoadIdentity;
299 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
300 glMatrixMode GL_MODELVIEW;
301 glLoadIdentity;
302 $self->{render_cb}->($self, $self->{w}, $self->{h});
303
304 } else {
305 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
306 = CFClient::load_image_inline $self->{image};
307 }
308
309 my ($tw, $th) = @$self{qw(w h)};
310
311 unless ($tw > 0 && $th > 0) {
312 $tw = $th = 1;
313 $data = "\x00" x 64;
314 }
315
316 $self->{minified} = [CFClient::average $tw, $th, $data]
317 if $self->{minify};
318
319 unless ($GL_NPOT) {
320 # TODO: does not work for zero-sized textures
321 $tw = topot $tw;
322 $th = topot $th;
323
324 if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
325 my $bpp = (length $data) / ($self->{w} * $self->{h});
326 $data = pack "(a" . ($tw * $bpp) . ")*",
327 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
328 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
329 }
330 }
331
332 $self->{s} = $self->{w} / $tw;
333 $self->{t} = $self->{h} / $th;
334
335 $self->{name} ||= glGenTexture;
336
337 glBindTexture GL_TEXTURE_2D, $self->{name};
338
339 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
340 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
341
342 if ($::FAST) {
343 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
344 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
345 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
346 # alternatively check for 0x8191
347 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
348 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
349 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
350 } else {
351 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
352 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
353 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
354 }
355
356 glGetError;
357
358 if (defined $data) {
359 glTexImage2D GL_TEXTURE_2D, 0,
360 $self->{internalformat},
361 $tw, $th,
362 0,
363 $self->{format},
364 $self->{type},
365 $data;
366 CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
367 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
368 } else {
369 glCopyTexImage2D GL_TEXTURE_2D, 0,
370 $self->{internalformat},
371 0, 0,
372 $tw, $th,
373 0;
374 CFClient::gl_check "copying to texture %dx%d if=%x",
375 $tw, $th, $self->{internalformat};
376 }
377
378 glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side
379 }
380
381 sub DESTROY {
382 my ($self) = @_;
383
384 delete $TEXTURES{$self+0};
385
386 glDeleteTexture delete $self->{name}
387 if $self->{name};
388 }
389
390 sub restore_state {
391 $_->upload
392 for values %TEXTURES;
393 }
394
395 1;
396
397 =back
398
399 =head1 AUTHOR
400
401 Marc Lehmann <schmorp@schmorp.de>
402 http://home.schmorp.de/
403
404 =cut
405