ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.60
Committed: Tue May 23 23:14:44 2006 UTC (17 years, 11 months ago) by root
Branch: MAIN
Changes since 1.59: +15 -1 lines
Log Message:
rig up primitive and still buggy pod/help viewer, add intro document

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 $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right...
42
43 glDisable GL_COLOR_MATERIAL;
44 glShadeModel GL_FLAT;
45 glDisable GL_DITHER;
46 glDisable GL_DEPTH_TEST;
47 glDepthMask 0;
48 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
49
50 CFClient::Texture::restore_state ();
51 }
52
53 sub gl_check {
54 return unless $GL_DEBUG;
55
56 if (my $error = glGetError) {
57 Carp::cluck sprintf "opengl error %x while %s", $error, &sprintf(@_);
58 }
59 }
60
61 sub find_rcfile($) {
62 my $path;
63
64 for (grep !ref, @INC) {
65 $path = "$_/CFClient/resources/$_[0]";
66 return $path if -r $path;
67 }
68
69 die "FATAL: can't find required file $_[0]\n";
70 }
71
72 sub read_cfg {
73 my ($file) = @_;
74
75 open CFG, $file
76 or return;
77
78 my $CFG;
79
80 local $/;
81 $CFG = eval <CFG>;
82
83 $::CFG = $CFG;
84
85 close CFG;
86 }
87
88 sub write_cfg {
89 my ($file) = @_;
90
91 open CFG, ">$file"
92 or return;
93
94 {
95 require Data::Dumper;
96 local $Data::Dumper::Purity = 1;
97 $::CFG->{VERSION} = $::VERSION;
98 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
99 }
100
101 close CFG;
102 }
103
104 mkdir "$Crossfire::VARDIR/pclient", 0777;
105
106 our $DB_ENV = new BerkeleyDB::Env
107 -Home => "$Crossfire::VARDIR/pclient",
108 -Cachesize => 1_000_000,
109 -ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
110 # -ErrPrefix => "DATABASE",
111 -Verbose => 1,
112 -Flags => DB_CREATE | DB_RECOVER | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
113 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
114
115 sub db_table($) {
116 my ($table) = @_;
117
118 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
119
120 new CFClient::Database
121 -Env => $DB_ENV,
122 -Filename => $table,
123 # -Filename => "database",
124 # -Subname => $table,
125 -Property => DB_CHKSUM,
126 -Flags => DB_CREATE | DB_UPGRADE,
127 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
128 }
129
130 sub pod_to_pango($) {
131 my ($pom) = @_;
132
133 $pom->present ("CFClient::PodToPango")
134 }
135
136 sub pod_to_pango_list($) {
137 my ($pom) = @_;
138
139 [
140 map s/^(\s*)// && [40 * length $1, length $_ ? $_ : " "],
141 split /\n/, $pom->present ("CFClient::PodToPango")
142 ]
143 }
144
145 package CFClient::PodToPango;
146
147 use base Pod::POM::View::Text;
148
149 our $indent = 0;
150
151 *view_seq_code =
152 *view_seq_bold = sub { "<b>$_[1]</b>" };
153 *view_seq_italic = sub { "<i>$_[1]</i>" };
154 *view_seq_space =
155 *view_seq_link =
156 *view_seq_index = sub { CFClient::UI::Label::escape ($_[1]) };
157
158 sub view_seq_text {
159 my $text = $_[1];
160 $text =~ s/\s+/ /g;
161 CFClient::UI::Label::escape ($text)
162 }
163
164 sub view_item {
165 ("\t" x ($indent / 4))
166 . $_[1]->title->present ($_[0])
167 . "\n"
168 . $_[1]->content->present ($_[0])
169 }
170
171 sub view_verbatim {
172 (join "",
173 map +("\t" x ($indent / 2)) . "$_\n",
174 split /\n/, CFClient::UI::Label::escape ($_[1]))
175 . "\n"
176 }
177
178 sub view_textblock {
179 ("\t" x ($indent / 2)) . "$_[1]\n\n"
180 }
181
182 sub view_head1 {
183 "<span foreground='#ffff00' size='x-large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
184 . $_[1]->content->present ($_[0])
185 };
186
187 sub view_head2 {
188 "<span foreground='#ccccff' size='large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
189 . $_[1]->content->present ($_[0])
190 };
191
192 sub view_over {
193 local $indent = $indent + $_[1]->indent;
194 $_[1]->content->present ($_[0])
195 }
196
197 package CFClient::Database;
198
199 our @ISA = BerkeleyDB::Btree::;
200
201 sub get($$) {
202 my $data;
203
204 $_[0]->db_get ($_[1], $data) == 0
205 ? $data
206 : ()
207 }
208
209 my %DB_SYNC;
210
211 sub put($$$) {
212 my ($db, $key, $data) = @_;
213
214 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
215
216 $db->db_put ($key => $data)
217 }
218
219 package CFClient::Texture;
220
221 use strict;
222
223 use Scalar::Util;
224
225 use CFClient::OpenGL;
226
227 my %TEXTURES;
228
229 sub new {
230 my ($class, %data) = @_;
231
232 my $self = bless {
233 internalformat => GL_RGBA,
234 format => GL_RGBA,
235 type => GL_UNSIGNED_BYTE,
236 %data,
237 }, $class;
238
239 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
240
241 $self->upload;
242
243 $self
244 }
245
246 sub new_from_image {
247 my ($class, $image, %arg) = @_;
248
249 $class->new (image => $image, %arg)
250 }
251
252 sub new_from_file {
253 my ($class, $path, %arg) = @_;
254
255 open my $fh, "<:raw", $path
256 or die "$path: $!";
257
258 local $/;
259 $class->new_from_image (<$fh>, %arg)
260 }
261
262 #sub new_from_surface {
263 # my ($class, $surface) = @_;
264 #
265 # $surface->rgba;
266 #
267 # $class->new (
268 # data => $surface->pixels,
269 # w => $surface->width,
270 # h => $surface->height,
271 # )
272 #}
273
274 sub new_from_layout {
275 my ($class, $layout, %arg) = @_;
276
277 my ($w, $h, $data, $format, $internalformat) = $layout->render;
278
279 $class->new (
280 w => $w,
281 h => $h,
282 data => $data,
283 format => $format,
284 internalformat => $format,
285 type => GL_UNSIGNED_BYTE,
286 %arg,
287 )
288 }
289
290 sub new_from_opengl {
291 my ($class, $w, $h, $cb) = @_;
292
293 $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
294 }
295
296 sub topot {
297 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
298 }
299
300 sub upload {
301 my ($self) = @_;
302
303 return unless $GL_VERSION;
304
305 my $data;
306
307 if (exists $self->{data}) {
308 $data = $self->{data};
309
310 } elsif (exists $self->{render_cb}) {
311 glViewport 0, 0, $self->{w}, $self->{h};
312 glMatrixMode GL_PROJECTION;
313 glLoadIdentity;
314 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
315 glMatrixMode GL_MODELVIEW;
316 glLoadIdentity;
317 $self->{render_cb}->($self, $self->{w}, $self->{h});
318
319 } else {
320 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
321 = CFClient::load_image_inline $self->{image};
322 }
323
324 my ($tw, $th) = @$self{qw(w h)};
325
326 unless ($tw > 0 && $th > 0) {
327 $tw = $th = 1;
328 $data = "\x00" x 64;
329 }
330
331 $self->{minified} = [CFClient::average $tw, $th, $data]
332 if $self->{minify};
333
334 unless ($GL_NPOT) {
335 # TODO: does not work for zero-sized textures
336 $tw = topot $tw;
337 $th = topot $th;
338
339 if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
340 my $bpp = (length $data) / ($self->{w} * $self->{h});
341 $data = pack "(a" . ($tw * $bpp) . ")*",
342 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
343 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
344 }
345 }
346
347 $self->{s} = $self->{w} / $tw;
348 $self->{t} = $self->{h} / $th;
349
350 $self->{name} ||= glGenTexture;
351
352 glBindTexture GL_TEXTURE_2D, $self->{name};
353
354 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
355 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
356
357 if ($::FAST) {
358 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
359 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
360 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
361 # alternatively check for 0x8191
362 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
363 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
364 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
365 } else {
366 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
367 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
368 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
369 }
370
371 glGetError;
372
373 if (defined $data) {
374 glTexImage2D GL_TEXTURE_2D, 0,
375 $self->{internalformat},
376 $tw, $th,
377 0,
378 $self->{format},
379 $self->{type},
380 $data;
381 CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
382 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
383 } else {
384 glCopyTexImage2D GL_TEXTURE_2D, 0,
385 $self->{internalformat},
386 0, 0,
387 $tw, $th,
388 0;
389 CFClient::gl_check "copying to texture %dx%d if=%x",
390 $tw, $th, $self->{internalformat};
391 }
392
393 glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side
394 }
395
396 sub DESTROY {
397 my ($self) = @_;
398
399 delete $TEXTURES{$self+0};
400
401 glDeleteTexture delete $self->{name}
402 if $self->{name};
403 }
404
405 sub restore_state {
406 $_->upload
407 for values %TEXTURES;
408 }
409
410 1;
411
412 =back
413
414 =head1 AUTHOR
415
416 Marc Lehmann <schmorp@schmorp.de>
417 http://home.schmorp.de/
418
419 =cut
420