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/cvs/deliantra/Deliantra-Client/DC.pm
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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.1 by root, Thu Apr 6 15:30:09 2006 UTC vs.
Revision 1.50 by root, Thu May 11 23:41:45 2006 UTC

1=head1 NAME 1=head1 NAME
2 2
3Crossfire::Client - undocumented utility garbage for our crossfire client 3CFClient - undocumented utility garbage for our crossfire client
4 4
5=head1 SYNOPSIS 5=head1 SYNOPSIS
6 6
7 use Crossfire::Client; 7 use CFClient;
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 CFClient;
16 16
17BEGIN { 17BEGIN {
18 $VERSION = '0.1'; 18 $VERSION = '0.1';
19 @ISA = qw(Exporter);
20 19
21 require XSLoader; 20 use XSLoader;
22 XSLoader::load "Crossfire::Client", $VERSION; 21 XSLoader::load "CFClient", $VERSION;
23} 22}
23
24use Carp ();
25use AnyEvent;
26use BerkeleyDB;
27use CFClient::OpenGL;
28
29our %GL_EXT;
30our $GL_VERSION;
31
32our $GL_NPOT;
33our $GL_DEBUG = 1;
34
35sub gl_init {
36 $GL_VERSION = gl_version * 1;
37 %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
38
39 $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;
40
41 glDisable GL_COLOR_MATERIAL;
42 glShadeModel GL_FLAT;
43 glDisable GL_DITHER;
44 glDisable GL_DEPTH_TEST;
45 glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
46
47 CFClient::Texture::restore_state ();
48}
49
50sub gl_check {
51 return unless $GL_DEBUG;
52
53 if (my $error = glGetError) {
54 Carp::cluck sprintf "opengl error %x while %s", $error, sprintf @_;
55 }
56}
57
58sub find_rcfile($) {
59 my $path;
60
61 for (grep !ref, @INC) {
62 $path = "$_/CFClient/resources/$_[0]";
63 return $path if -r $path;
64 }
65
66 die "FATAL: can't find required file $_[0]\n";
67}
68
69sub read_cfg {
70 my ($file) = @_;
71
72 open CFG, $file
73 or return;
74
75 my $CFG;
76
77 local $/;
78 $CFG = eval <CFG>;
79
80 $::CFG = $CFG;
81
82 close CFG;
83}
84
85sub write_cfg {
86 my ($file) = @_;
87
88 open CFG, ">$file"
89 or return;
90
91 {
92 require Data::Dumper;
93 local $Data::Dumper::Purity = 1;
94 $::CFG->{VERSION} = $::VERSION;
95 print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
96 }
97
98 close CFG;
99}
100
101mkdir "$Crossfire::VARDIR/pclient", 0777;
102
103our $DB_ENV = new BerkeleyDB::Env
104 -Home => "$Crossfire::VARDIR/pclient",
105 -Cachesize => 1_000_000,
106 -ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
107# -ErrPrefix => "DATABASE",
108 -Verbose => 1,
109 -Flags => DB_CREATE | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
110 or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
111
112sub db_table($) {
113 my ($table) = @_;
114
115 $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
116
117 new CFClient::Database
118 -Env => $DB_ENV,
119 -Filename => $table,
120# -Filename => "database",
121# -Subname => $table,
122 -Flags => DB_CREATE | DB_UPGRADE,
123 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
124}
125
126package CFClient::Database;
127
128our @ISA = BerkeleyDB::Btree::;
129
130sub get($$) {
131 my $data;
132
133 $_[0]->db_get ($_[1], $data) == 0
134 ? $data
135 : ()
136}
137
138my %DB_SYNC;
139
140sub put($$$) {
141 my ($db, $key, $data) = @_;
142
143 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
144
145 $db->db_put ($key => $data)
146}
147
148package CFClient::Texture;
149
150use strict;
151
152use Scalar::Util;
153
154use CFClient::OpenGL;
155
156my %TEXTURES;
157
158sub new {
159 my ($class, %data) = @_;
160
161 my $self = bless {
162 internalformat => GL_RGBA,
163 format => GL_RGBA,
164 type => GL_UNSIGNED_BYTE,
165 %data,
166 }, $class;
167
168 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
169
170 $self->upload;
171
172 $self
173}
174
175sub new_from_image {
176 my ($class, $image, %arg) = @_;
177
178 $class->new (image => $image, %arg)
179}
180
181sub new_from_file {
182 my ($class, $path, %arg) = @_;
183
184 open my $fh, "<:raw", $path
185 or die "$path: $!";
186
187 local $/;
188 $class->new_from_image (<$fh>, %arg)
189}
190
191#sub new_from_surface {
192# my ($class, $surface) = @_;
193#
194# $surface->rgba;
195#
196# $class->new (
197# data => $surface->pixels,
198# w => $surface->width,
199# h => $surface->height,
200# )
201#}
202
203sub new_from_layout {
204 my ($class, $layout, %arg) = @_;
205
206 my ($w, $h, $data, $format, $internalformat) = $layout->render;
207
208 $class->new (
209 w => $w,
210 h => $h,
211 data => $data,
212 format => $format,
213 internalformat => $format,
214 type => GL_UNSIGNED_BYTE,
215 %arg,
216 )
217}
218
219sub new_from_opengl {
220 my ($class, $w, $h, $cb) = @_;
221
222 $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
223}
224
225sub topot {
226 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
227}
228
229sub upload {
230 my ($self) = @_;
231
232 return unless $GL_VERSION;
233
234 my $data;
235
236 if (exists $self->{data}) {
237 $data = $self->{data};
238
239 } elsif (exists $self->{render_cb}) {
240 glViewport 0, 0, $self->{w}, $self->{h};
241 glMatrixMode GL_PROJECTION;
242 glLoadIdentity;
243 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
244 glMatrixMode GL_MODELVIEW;
245 glLoadIdentity;
246 $self->{render_cb}->($self, $self->{w}, $self->{h});
247
248 } else {
249 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
250 = CFClient::load_image_inline $self->{image};
251 }
252
253 my ($tw, $th) = @$self{qw(w h)};
254
255 unless ($tw > 0 && $th > 0) {
256 $tw = $th = 1;
257 $data = "\x00" x 64;
258 }
259
260 $self->{minified} = [CFClient::average $tw, $th, $data]
261 if $self->{minify};
262
263 unless ($GL_NPOT) {
264 # TODO: does not work for zero-sized textures
265 $tw = topot $tw;
266 $th = topot $th;
267
268 if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
269 my $bpp = (length $data) / ($self->{w} * $self->{h});
270 $data = pack "(a" . ($tw * $bpp) . ")*",
271 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
272 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
273 }
274 }
275
276 $self->{s} = $self->{w} / $tw;
277 $self->{t} = $self->{h} / $th;
278
279 $self->{name} ||= glGenTexture;
280
281 glBindTexture GL_TEXTURE_2D, $self->{name};
282
283 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
284 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
285
286 if ($::FAST) {
287 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
288 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
289 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
290 # alternatively check for 0x8191
291 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
292 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
293 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
294 } else {
295 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
296 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
297 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
298 }
299
300 glGetError;
301
302 if (defined $data) {
303 glTexImage2D GL_TEXTURE_2D, 0,
304 $self->{internalformat},
305 $tw, $th, # need to pad texture first
306 0,
307 $self->{format},
308 $self->{type},
309 $data;
310 CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
311 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
312 } else {
313 glCopyTexImage2D GL_TEXTURE_2D, 0,
314 $self->{internalformat},
315 0, 0,
316 $tw, $th,
317 0;
318 CFClient::gl_check "copying to texture %dx%d if=%x",
319 $tw, $th, $self->{internalformat};
320 }
321}
322
323sub DESTROY {
324 my ($self) = @_;
325
326 delete $TEXTURES{$self+0};
327
328 glDeleteTexture delete $self->{name}
329 if $self->{name};
330}
331
332sub restore_state{
333 $_->upload
334 for values %TEXTURES;
335};
24 336
251; 3371;
26 338
27=back 339=back
28 340

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