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/cvs/deliantra/Deliantra-Client/DC.pm
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Comparing deliantra/Deliantra-Client/DC.pm (file contents):
Revision 1.2 by root, Thu Apr 6 20:15:10 2006 UTC vs.
Revision 1.51 by root, Sun May 14 20:51:19 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 19
20 use XSLoader; 20 use XSLoader;
21 XSLoader::load "Crossfire::Client", $VERSION; 21 XSLoader::load "CFClient", $VERSION;
22} 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 -Property => DB_CHKSUM,
123 -Flags => DB_CREATE | DB_UPGRADE,
124 or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
125}
126
127package CFClient::Database;
128
129our @ISA = BerkeleyDB::Btree::;
130
131sub get($$) {
132 my $data;
133
134 $_[0]->db_get ($_[1], $data) == 0
135 ? $data
136 : ()
137}
138
139my %DB_SYNC;
140
141sub put($$$) {
142 my ($db, $key, $data) = @_;
143
144 $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
145
146 $db->db_put ($key => $data)
147}
148
149package CFClient::Texture;
150
151use strict;
152
153use Scalar::Util;
154
155use CFClient::OpenGL;
156
157my %TEXTURES;
158
159sub new {
160 my ($class, %data) = @_;
161
162 my $self = bless {
163 internalformat => GL_RGBA,
164 format => GL_RGBA,
165 type => GL_UNSIGNED_BYTE,
166 %data,
167 }, $class;
168
169 Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
170
171 $self->upload;
172
173 $self
174}
175
176sub new_from_image {
177 my ($class, $image, %arg) = @_;
178
179 $class->new (image => $image, %arg)
180}
181
182sub new_from_file {
183 my ($class, $path, %arg) = @_;
184
185 open my $fh, "<:raw", $path
186 or die "$path: $!";
187
188 local $/;
189 $class->new_from_image (<$fh>, %arg)
190}
191
192#sub new_from_surface {
193# my ($class, $surface) = @_;
194#
195# $surface->rgba;
196#
197# $class->new (
198# data => $surface->pixels,
199# w => $surface->width,
200# h => $surface->height,
201# )
202#}
203
204sub new_from_layout {
205 my ($class, $layout, %arg) = @_;
206
207 my ($w, $h, $data, $format, $internalformat) = $layout->render;
208
209 $class->new (
210 w => $w,
211 h => $h,
212 data => $data,
213 format => $format,
214 internalformat => $format,
215 type => GL_UNSIGNED_BYTE,
216 %arg,
217 )
218}
219
220sub new_from_opengl {
221 my ($class, $w, $h, $cb) = @_;
222
223 $class->new (w => $w || 1, h => $h || 1, render_cb => $cb)
224}
225
226sub topot {
227 (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
228}
229
230sub upload {
231 my ($self) = @_;
232
233 return unless $GL_VERSION;
234
235 my $data;
236
237 if (exists $self->{data}) {
238 $data = $self->{data};
239
240 } elsif (exists $self->{render_cb}) {
241 glViewport 0, 0, $self->{w}, $self->{h};
242 glMatrixMode GL_PROJECTION;
243 glLoadIdentity;
244 glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
245 glMatrixMode GL_MODELVIEW;
246 glLoadIdentity;
247 $self->{render_cb}->($self, $self->{w}, $self->{h});
248
249 } else {
250 ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
251 = CFClient::load_image_inline $self->{image};
252 }
253
254 my ($tw, $th) = @$self{qw(w h)};
255
256 unless ($tw > 0 && $th > 0) {
257 $tw = $th = 1;
258 $data = "\x00" x 64;
259 }
260
261 $self->{minified} = [CFClient::average $tw, $th, $data]
262 if $self->{minify};
263
264 unless ($GL_NPOT) {
265 # TODO: does not work for zero-sized textures
266 $tw = topot $tw;
267 $th = topot $th;
268
269 if (($tw != $self->{w} || $th != $self->{h}) && defined $data) {
270 my $bpp = (length $data) / ($self->{w} * $self->{h});
271 $data = pack "(a" . ($tw * $bpp) . ")*",
272 unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
273 $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
274 }
275 }
276
277 $self->{s} = $self->{w} / $tw;
278 $self->{t} = $self->{h} / $th;
279
280 $self->{name} ||= glGenTexture;
281
282 glBindTexture GL_TEXTURE_2D, $self->{name};
283
284 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
285 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
286
287 if ($::FAST) {
288 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
289 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
290 } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
291 # alternatively check for 0x8191
292 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
293 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
294 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
295 } else {
296 glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
297 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
298 glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
299 }
300
301 glGetError;
302
303 if (defined $data) {
304 glTexImage2D GL_TEXTURE_2D, 0,
305 $self->{internalformat},
306 $tw, $th, # need to pad texture first
307 0,
308 $self->{format},
309 $self->{type},
310 $data;
311 CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
312 $tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
313 } else {
314 glCopyTexImage2D GL_TEXTURE_2D, 0,
315 $self->{internalformat},
316 0, 0,
317 $tw, $th,
318 0;
319 CFClient::gl_check "copying to texture %dx%d if=%x",
320 $tw, $th, $self->{internalformat};
321 }
322}
323
324sub DESTROY {
325 my ($self) = @_;
326
327 delete $TEXTURES{$self+0};
328
329 glDeleteTexture delete $self->{name}
330 if $self->{name};
331}
332
333sub restore_state{
334 $_->upload
335 for values %TEXTURES;
336};
23 337
241; 3381;
25 339
26=back 340=back
27 341

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