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/cvs/deliantra/Deliantra-Client/DC.pm
Revision: 1.55
Committed: Fri May 19 16:43:56 2006 UTC (17 years, 11 months ago) by root
Branch: MAIN
Changes since 1.54: +2 -0 lines
Log Message:
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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 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
47
48 CFClient::Texture::restore_state ();
49 }
50
51 sub gl_check {
52 return unless $GL_DEBUG;
53
54 if (my $error = glGetError) {
55 Carp::cluck sprintf "opengl error %x while %s", $error, sprintf @_;
56 }
57 }
58
59 sub find_rcfile($) {
60 my $path;
61
62 for (grep !ref, @INC) {
63 $path = "$_/CFClient/resources/$_[0]";
64 return $path if -r $path;
65 }
66
67 die "FATAL: can't find required file $_[0]\n";
68 }
69
70 sub read_cfg {
71 my ($file) = @_;
72
73 open CFG, $file
74 or return;
75
76 my $CFG;
77
78 local $/;
79 $CFG = eval <CFG>;
80
81 $::CFG = $CFG;
82
83 close CFG;
84 }
85
86 sub write_cfg {
87 my ($file) = @_;
88
89 open CFG, ">$file"
90 or return;
91
92 {
93 require Data::Dumper;
94 local $Data::Dumper::Purity = 1;
95 $::CFG->{VERSION} = $::VERSION;
96 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
97 }
98
99 close CFG;
100 }
101
102 mkdir "$Crossfire::VARDIR/pclient", 0777;
103
104 our $DB_ENV = new BerkeleyDB::Env
105 -Home => "$Crossfire::VARDIR/pclient",
106 -Cachesize => 1_000_000,
107 -ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
108 # -ErrPrefix => "DATABASE",
109 -Verbose => 1,
110 -Flags => DB_CREATE | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
111 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
112
113 sub db_table($) {
114 my ($table) = @_;
115
116 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
117
118 new CFClient::Database
119 -Env => $DB_ENV,
120 -Filename => $table,
121 # -Filename => "database",
122 # -Subname => $table,
123 -Property => DB_CHKSUM,
124 -Flags => DB_CREATE | DB_UPGRADE,
125 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
126 }
127
128 sub pod_to_pango($) {
129 my ($pom) = @_;
130
131 $pom->present ("CFClient::PodToPango")
132 }
133
134 package CFClient::PodToPango;
135
136 use base Pod::POM::View::Text;
137
138 our $indent = 0;
139
140 *view_seq_code =
141 *view_seq_bold = sub { "<b>$_[1]</b>" };
142 *view_seq_italic = sub { "<i>$_[1]</i>" };
143 *view_seq_space =
144 *view_seq_link =
145 *view_seq_index = sub { CFClient::UI::Label::escape ($_[1]) };
146
147 sub view_seq_text {
148 my $text = $_[1];
149 $text =~ s/\s+/ /g;
150 CFClient::UI::Label::escape ($text)
151 }
152
153 sub view_item {
154 ("\t" x ($indent / 4))
155 . $_[1]->title->present ($_[0])
156 . "\n"
157 . $_[1]->content->present ($_[0])
158 }
159
160 sub view_verbatim {
161 (join "",
162 map +("\t" x ($indent / 2)) . "$_\n",
163 split /\n/, CFClient::UI::Label::escape ($_[1]))
164 . "\n"
165 }
166
167 sub view_textblock {
168 ("\t" x ($indent / 2)) . "$_[1]\n\n"
169 }
170
171 sub view_head2 {
172 "<big>" . $_[1]->title->present ($_[0]) . "</big>\n\n"
173 . $_[1]->content->present ($_[0])
174 };
175
176 sub view_over {
177 local $indent = $indent + $_[1]->indent;
178 $_[1]->content->present ($_[0])
179 }
180
181 package CFClient::Database;
182
183 our @ISA = BerkeleyDB::Btree::;
184
185 sub get($$) {
186 my $data;
187
188 $_[0]->db_get ($_[1], $data) == 0
189 ? $data
190 : ()
191 }
192
193 my %DB_SYNC;
194
195 sub put($$$) {
196 my ($db, $key, $data) = @_;
197
198 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
199
200 $db->db_put ($key => $data)
201 }
202
203 package CFClient::Texture;
204
205 use strict;
206
207 use Scalar::Util;
208
209 use CFClient::OpenGL;
210
211 my %TEXTURES;
212
213 sub new {
214 my ($class, %data) = @_;
215
216 my $self = bless {
217 internalformat => GL_RGBA,
218 format => GL_RGBA,
219 type => GL_UNSIGNED_BYTE,
220 %data,
221 }, $class;
222
223 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
224
225 $self->upload;
226
227 $self
228 }
229
230 sub new_from_image {
231 my ($class, $image, %arg) = @_;
232
233 $class->new (image => $image, %arg)
234 }
235
236 sub new_from_file {
237 my ($class, $path, %arg) = @_;
238
239 open my $fh, "<:raw", $path
240 or die "$path: $!";
241
242 local $/;
243 $class->new_from_image (<$fh>, %arg)
244 }
245
246 #sub new_from_surface {
247 # my ($class, $surface) = @_;
248 #
249 # $surface->rgba;
250 #
251 # $class->new (
252 # data => $surface->pixels,
253 # w => $surface->width,
254 # h => $surface->height,
255 # )
256 #}
257
258 sub new_from_layout {
259 my ($class, $layout, %arg) = @_;
260
261 my ($w, $h, $data, $format, $internalformat) = $layout->render;
262
263 $class->new (
264 w => $w,
265 h => $h,
266 data => $data,
267 format => $format,
268 internalformat => $format,
269 type => GL_UNSIGNED_BYTE,
270 %arg,
271 )
272 }
273
274 sub new_from_opengl {
275 my ($class, $w, $h, $cb) = @_;
276
277 $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
278 }
279
280 sub topot {
281 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
282 }
283
284 sub upload {
285 my ($self) = @_;
286
287 return unless $GL_VERSION;
288
289 my $data;
290
291 if (exists $self->{data}) {
292 $data = $self->{data};
293
294 } elsif (exists $self->{render_cb}) {
295 glViewport 0, 0, $self->{w}, $self->{h};
296 glMatrixMode GL_PROJECTION;
297 glLoadIdentity;
298 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
299 glMatrixMode GL_MODELVIEW;
300 glLoadIdentity;
301 $self->{render_cb}->($self, $self->{w}, $self->{h});
302
303 } else {
304 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
305 = CFClient::load_image_inline $self->{image};
306 }
307
308 my ($tw, $th) = @$self{qw(w h)};
309
310 unless ($tw > 0 && $th > 0) {
311 $tw = $th = 1;
312 $data = "\x00" x 64;
313 }
314
315 $self->{minified} = [CFClient::average $tw, $th, $data]
316 if $self->{minify};
317
318 unless ($GL_NPOT) {
319 # TODO: does not work for zero-sized textures
320 $tw = topot $tw;
321 $th = topot $th;
322
323 if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
324 my $bpp = (length $data) / ($self->{w} * $self->{h});
325 $data = pack "(a" . ($tw * $bpp) . ")*",
326 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
327 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
328 }
329 }
330
331 $self->{s} = $self->{w} / $tw;
332 $self->{t} = $self->{h} / $th;
333
334 $self->{name} ||= glGenTexture;
335
336 glBindTexture GL_TEXTURE_2D, $self->{name};
337
338 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
339 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
340
341 if ($::FAST) {
342 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
343 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
344 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
345 # alternatively check for 0x8191
346 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
347 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
348 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
349 } else {
350 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
351 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
352 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
353 }
354
355 glGetError;
356
357 if (defined $data) {
358 glTexImage2D GL_TEXTURE_2D, 0,
359 $self->{internalformat},
360 $tw, $th,
361 0,
362 $self->{format},
363 $self->{type},
364 $data;
365 CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
366 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
367 } else {
368 glCopyTexImage2D GL_TEXTURE_2D, 0,
369 $self->{internalformat},
370 0, 0,
371 $tw, $th,
372 0;
373 CFClient::gl_check "copying to texture %dx%d if=%x",
374 $tw, $th, $self->{internalformat};
375 }
376
377 glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side
378 }
379
380 sub DESTROY {
381 my ($self) = @_;
382
383 delete $TEXTURES{$self+0};
384
385 glDeleteTexture delete $self->{name}
386 if $self->{name};
387 }
388
389 sub restore_state {
390 $_->upload
391 for values %TEXTURES;
392 }
393
394 1;
395
396 =back
397
398 =head1 AUTHOR
399
400 Marc Lehmann <schmorp@schmorp.de>
401 http://home.schmorp.de/
402
403 =cut
404