deliantra/Deliantra-Client/DC.pm

=head1 NAME

CFClient - undocumented utility garbage for our crossfire client

=head1 SYNOPSIS

 use CFClient;

=head1 DESCRIPTION

=over 4

=cut

package CFClient;

BEGIN {
   $VERSION = '0.1';

   use XSLoader;
   XSLoader::load "CFClient", $VERSION;
}

use AnyEvent;
use BerkeleyDB;
use SDL::OpenGL;

our %GL_EXT;
our $GL_VERSION;

our $GL_NPOT;

sub gl_init {
   $GL_VERSION = gl_version * 1;
   %GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;

   $GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2;

   glEnable GL_TEXTURE_2D;
   glEnable GL_COLOR_MATERIAL;
   glShadeModel GL_FLAT;
   glDisable GL_DEPTH_TEST;
   glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;

   glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;

   CFClient::Texture::restore_state ();
}

sub find_rcfile($) {
   my $path;

   for (@INC) {
      $path = "$_/CFClient/resources/$_[0]";
      return $path if -r $path;
   }

   die "FATAL: can't find required file $_[0]\n";
}

sub read_cfg {
   my ($file) = @_;

   open CFG, $file
      or return;

   my $CFG;

   local $/;
   $CFG = eval <CFG>;

   $::CFG = $CFG;

   close CFG;
}

sub write_cfg {
   my ($file) = @_;

   open CFG, ">$file"
      or return;

   {
      require Data::Dumper;
      local $Data::Dumper::Purity = 1;
      $::CFG->{VERSION} = $::VERSION;
      print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
   }

   close CFG;
}

mkdir "$Crossfire::VARDIR/pclient", 0777;

our $DB_ENV = new BerkeleyDB::Env
                 -Home => "$Crossfire::VARDIR/pclient",
                 -Cachesize => 1_000_000,
                 -ErrFile => "/proc/self/fd/2",
                 -ErrPrefix => "DATABASE",
                 -Verbose => 1,
                 -Flags => DB_CREATE | DB_JOINENV | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN,
                    or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";

sub db_table($) {
   new CFClient::Database
      -Env      => $DB_ENV,
      -Filename => "database",
      -Subname  => $_[0],
      -Flags    => DB_CREATE | DB_UPGRADE,
         or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
}

package CFClient::Database;

our @ISA = BerkeleyDB::Btree::;

sub get($$) {
   my $data;

   $_[0]->db_get ($_[1], $data) == 0
      ? $data
      : ();
}

my %DB_SYNC;

sub put($$$) {
   my ($db, $key, $data) = @_;

   $db->db_put ($key => $data);

   $DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
   
}

package CFClient::Texture;

use strict;

use Scalar::Util;

use SDL::OpenGL;

my %TEXTURES;

sub new {
   my ($class, %data) = @_;

   my $self = bless {
      internalformat => GL_RGBA,
      format         => GL_RGBA,
      type           => GL_UNSIGNED_BYTE,
      %data,
   }, $class;

   Scalar::Util::weaken ($TEXTURES{$self+0} = $self);

   $self->upload;

   $self
}

sub new_from_image {
   my ($class, $image, %arg) = @_;

   $class->new (image => $image, %arg)
}

sub new_from_file {
   my ($class, $path) = @_;

   open my $fh, "<:raw", $path
      or die "$path: $!";

   local $/;
   $class->new_from_image (<$fh>)
}

#sub new_from_surface {
#   my ($class, $surface) = @_;
#
#   $surface->rgba;
#
#   $class->new (
#      data   => $surface->pixels,
#      w      => $surface->width,
#      h      => $surface->height,
#   )
#}

sub new_from_layout {
   my ($class, $layout) = @_;

   my ($w, $h, $data) = $layout->render;

   $class->new (
      w              => $w,
      h              => $h,
      data           => $data,
      internalformat => GL_ALPHA4,
      format         => GL_ALPHA,
      type           => GL_UNSIGNED_BYTE,
   )
}

sub new_from_opengl {
   my ($class, $w, $h, $cb) = @_;

   $class->new (w => $w, h => $h, render_cb => $cb)
}

sub topot {
   (grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
}

sub upload {
   my ($self) = @_;

   return unless $GL_VERSION;

   my $data;

   if (exists $self->{data}) {
      $data = $self->{data};

   } elsif (exists $self->{render_cb}) {
      glViewport 0, 0, $self->{w}, $self->{h};
      glMatrixMode GL_PROJECTION;
      glLoadIdentity;
      glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
      glMatrixMode GL_MODELVIEW;
      glLoadIdentity;
      $self->{render_cb}->($self, $self->{w}, $self->{h});

   } else {
      ($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
         = CFClient::load_image_inline $self->{image};
   }

   my ($tw, $th) = @$self{qw(w h)};

   unless ($tw && $th) {
      $tw = $th = 1;
      $data = "\x00" x 64;
   }

   $self->{minified} = [CFClient::average $tw, $th, $data]
      if $self->{minify};

   unless ($GL_NPOT) {
      # TODO: does not work for zero-sized textures
      $tw = topot $tw;
      $th = topot $th;

      if ($tw != $self->{w} || $th != $self->{h} && defined $data) {
         my $bpp = (length $data) / ($self->{w} * $self->{h});
         $data = pack "(a" . ($tw * $bpp) . ")*",
                    unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
         $data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
      }
   }

   $self->{s} = $self->{w} / $tw;
   $self->{t} = $self->{h} / $th;

   $self->{name} ||= (glGenTextures 1)->[0];

   glBindTexture GL_TEXTURE_2D, $self->{name};

   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
   
   if (defined $data) {
      glTexImage2D GL_TEXTURE_2D, 0,
                   $self->{internalformat},
                   $tw, $th, # need to pad texture first
                   0,
                   $self->{format},
                   $self->{type},
                   $data;
      glGetError and die;
   } else {
      glCopyTexImage2D GL_TEXTURE_2D, 0,
                   $self->{internalformat},
                   0, 0,
                   $tw, $th,
                   0;
      glGetError and die "glCopyTexImage2D $tw,$th";
   }
}

sub DESTROY {
   my ($self) = @_;

   delete $TEXTURES{$self+0};

   glDeleteTextures delete $self->{name}
      if $self->{name};
}

sub restore_state{
   $_->upload
      for values %TEXTURES;
};

1;

=back

=head1 AUTHOR

 Marc Lehmann <schmorp@schmorp.de>
 http://home.schmorp.de/

=cut

Revision:	1.36
Committed:	Sat Apr 15 23:24:59 2006 UTC (18 years ago) by root
Branch:	MAIN
Changes since 1.35:	+4 -8 lines
Log Message:	force texture leak problem
#	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 AnyEvent;
25	use BerkeleyDB;
26	use SDL::OpenGL;
27
28	our %GL_EXT;
29	our $GL_VERSION;
30
31	our $GL_NPOT;
32
33	sub gl_init {
34	$GL_VERSION = gl_version * 1;
35	%GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
36
37	$GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} \|\| $GL_VERSION >= 2;
38
39	glEnable GL_TEXTURE_2D;
40	glEnable GL_COLOR_MATERIAL;
41	glShadeModel GL_FLAT;
42	glDisable GL_DEPTH_TEST;
43	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
44
45	glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
46
47	CFClient::Texture::restore_state ();
48	}
49
50	sub find_rcfile($) {
51	my $path;
52
53	for (@INC) {
54	$path = "$_/CFClient/resources/$_[0]";
55	return $path if -r $path;
56	}
57
58	die "FATAL: can't find required file $_[0]\n";
59	}
60
61	sub read_cfg {
62	my ($file) = @_;
63
64	open CFG, $file
65	or return;
66
67	my $CFG;
68
69	local $/;
70	$CFG = eval <CFG>;
71
72	$::CFG = $CFG;
73
74	close CFG;
75	}
76
77	sub write_cfg {
78	my ($file) = @_;
79
80	open CFG, ">$file"
81	or return;
82
83	{
84	require Data::Dumper;
85	local $Data::Dumper::Purity = 1;
86	$::CFG->{VERSION} = $::VERSION;
87	print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
88	}
89
90	close CFG;
91	}
92
93	mkdir "$Crossfire::VARDIR/pclient", 0777;
94
95	our $DB_ENV = new BerkeleyDB::Env
96	-Home => "$Crossfire::VARDIR/pclient",
97	-Cachesize => 1_000_000,
98	-ErrFile => "/proc/self/fd/2",
99	-ErrPrefix => "DATABASE",
100	-Verbose => 1,
101	-Flags => DB_CREATE \| DB_JOINENV \| DB_RECOVER_FATAL \| DB_INIT_MPOOL \| DB_INIT_LOCK \| DB_INIT_TXN,
102	or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
103
104	sub db_table($) {
105	new CFClient::Database
106	-Env => $DB_ENV,
107	-Filename => "database",
108	-Subname => $_[0],
109	-Flags => DB_CREATE \| DB_UPGRADE,
110	or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
111	}
112
113	package CFClient::Database;
114
115	our @ISA = BerkeleyDB::Btree::;
116
117	sub get($$) {
118	my $data;
119
120	$_[0]->db_get ($_[1], $data) == 0
121	? $data
122	: ();
123	}
124
125	my %DB_SYNC;
126
127	sub put($$$) {
128	my ($db, $key, $data) = @_;
129
130	$db->db_put ($key => $data);
131
132	$DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
133
134	}
135
136	package CFClient::Texture;
137
138	use strict;
139
140	use Scalar::Util;
141
142	use SDL::OpenGL;
143
144	my %TEXTURES;
145
146	sub new {
147	my ($class, %data) = @_;
148
149	my $self = bless {
150	internalformat => GL_RGBA,
151	format => GL_RGBA,
152	type => GL_UNSIGNED_BYTE,
153	%data,
154	}, $class;
155
156	Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
157
158	$self->upload;
159
160	$self
161	}
162
163	sub new_from_image {
164	my ($class, $image, %arg) = @_;
165
166	$class->new (image => $image, %arg)
167	}
168
169	sub new_from_file {
170	my ($class, $path) = @_;
171
172	open my $fh, "<:raw", $path
173	or die "$path: $!";
174
175	local $/;
176	$class->new_from_image (<$fh>)
177	}
178
179	#sub new_from_surface {
180	# my ($class, $surface) = @_;
181	#
182	# $surface->rgba;
183	#
184	# $class->new (
185	# data => $surface->pixels,
186	# w => $surface->width,
187	# h => $surface->height,
188	# )
189	#}
190
191	sub new_from_layout {
192	my ($class, $layout) = @_;
193
194	my ($w, $h, $data) = $layout->render;
195
196	$class->new (
197	w => $w,
198	h => $h,
199	data => $data,
200	internalformat => GL_ALPHA4,
201	format => GL_ALPHA,
202	type => GL_UNSIGNED_BYTE,
203	)
204	}
205
206	sub new_from_opengl {
207	my ($class, $w, $h, $cb) = @_;
208
209	$class->new (w => $w, h => $h, render_cb => $cb)
210	}
211
212	sub topot {
213	(grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
214	}
215
216	sub upload {
217	my ($self) = @_;
218
219	return unless $GL_VERSION;
220
221	my $data;
222
223	if (exists $self->{data}) {
224	$data = $self->{data};
225
226	} elsif (exists $self->{render_cb}) {
227	glViewport 0, 0, $self->{w}, $self->{h};
228	glMatrixMode GL_PROJECTION;
229	glLoadIdentity;
230	glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
231	glMatrixMode GL_MODELVIEW;
232	glLoadIdentity;
233	$self->{render_cb}->($self, $self->{w}, $self->{h});
234
235	} else {
236	($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
237	= CFClient::load_image_inline $self->{image};
238	}
239
240	my ($tw, $th) = @$self{qw(w h)};
241
242	unless ($tw && $th) {
243	$tw = $th = 1;
244	$data = "\x00" x 64;
245	}
246
247	$self->{minified} = [CFClient::average $tw, $th, $data]
248	if $self->{minify};
249
250	unless ($GL_NPOT) {
251	# TODO: does not work for zero-sized textures
252	$tw = topot $tw;
253	$th = topot $th;
254
255	if ($tw != $self->{w} \|\| $th != $self->{h} && defined $data) {
256	my $bpp = (length $data) / ($self->{w} * $self->{h});
257	$data = pack "(a" . ($tw * $bpp) . ")*",
258	unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
259	$data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
260	}
261	}
262
263	$self->{s} = $self->{w} / $tw;
264	$self->{t} = $self->{h} / $th;
265
266	$self->{name} \|\|= (glGenTextures 1)->[0];
267
268	glBindTexture GL_TEXTURE_2D, $self->{name};
269
270	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
271	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, $::FAST ? GL_NEAREST : GL_LINEAR;
272	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
273	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
274
275	if (defined $data) {
276	glTexImage2D GL_TEXTURE_2D, 0,
277	$self->{internalformat},
278	$tw, $th, # need to pad texture first
279	0,
280	$self->{format},
281	$self->{type},
282	$data;
283	glGetError and die;
284	} else {
285	glCopyTexImage2D GL_TEXTURE_2D, 0,
286	$self->{internalformat},
287	0, 0,
288	$tw, $th,
289	0;
290	glGetError and die "glCopyTexImage2D $tw,$th";
291	}
292	}
293
294	sub DESTROY {
295	my ($self) = @_;
296
297	delete $TEXTURES{$self+0};
298
299	glDeleteTextures delete $self->{name}
300	if $self->{name};
301	}
302
303	sub restore_state{
304	$_->upload
305	for values %TEXTURES;
306	};
307
308	1;
309
310	=back
311
312	=head1 AUTHOR
313
314	Marc Lehmann <schmorp@schmorp.de>
315	http://home.schmorp.de/
316
317	=cut
318