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 utf8;

use Carp ();
use AnyEvent ();
use BerkeleyDB;

use CFClient::OpenGL;

our %GL_EXT;
our $GL_VERSION;

our $GL_NPOT;
our $GL_DEBUG = 1;

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;
   $GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right...

   glDisable GL_COLOR_MATERIAL;
   glShadeModel GL_FLAT;
   glDisable GL_DITHER;
   glDisable GL_DEPTH_TEST;
   glDepthMask 0;
   glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;

   CFClient::Texture::restore_state ();
}

sub gl_check {
   return unless $GL_DEBUG;

   if (my $error = glGetError) {
      my ($format, @args) = @_;
      Carp::cluck sprintf "opengl error %x while $format", $error, @args;
   }
}

sub find_rcfile($) {
   my $path;

   for (grep !ref, @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 => "$Crossfire::VARDIR/pclient/errorlog.txt",
#                 -ErrPrefix => "DATABASE",
                 -Verbose => 1,
                 -Flags => DB_CREATE | DB_RECOVER | 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($) {
   my ($table) = @_;

   $table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
   
   new CFClient::Database
      -Env      => $DB_ENV,
      -Filename => $table,
#      -Filename => "database",
#      -Subname  => $table,
      -Property => DB_CHKSUM,
      -Flags    => DB_CREATE | DB_UPGRADE,
         or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
}

sub pod_to_pango($) {
   my ($pom) = @_;

   $pom->present ("CFClient::PodToPango")
}

sub pod_to_pango_list($) {
   my ($pom) = @_;

   [
      map s/^(\s*)// && [40 * length $1, length $_ ? $_ : " "],
         split /\n/, $pom->present ("CFClient::PodToPango")
   ]
}

package CFClient::PodToPango;

use base Pod::POM::View::Text;

our $indent = 0;

*view_seq_code   =
*view_seq_bold   = sub { "<b>$_[1]</b>" };
*view_seq_italic = sub { "<i>$_[1]</i>" };
*view_seq_space  =
*view_seq_link   =
*view_seq_index  = sub { CFClient::UI::Label::escape ($_[1]) };

sub view_seq_text {
   my $text = $_[1];
   $text =~ s/\s+/ /g;
   CFClient::UI::Label::escape ($text)
}

sub view_item {
   ("\t" x ($indent / 4))
   . $_[1]->title->present ($_[0])
   . "\n"
   . $_[1]->content->present ($_[0])
}

sub view_verbatim {
   (join "",
       map +("\t" x ($indent / 2)) . "$_\n",
          split /\n/, CFClient::UI::Label::escape ($_[1]))
   . "\n"
}

sub view_textblock {
   ("\t" x ($indent / 2)) . "$_[1]\n\n"
}

sub view_head1 {
   "<span foreground='#ffff00' size='x-large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
   . $_[1]->content->present ($_[0])
};

sub view_head2 {
   "<span foreground='#ccccff' size='large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
   . $_[1]->content->present ($_[0])
};

sub view_over {
   local $indent = $indent + $_[1]->indent;
   $_[1]->content->present ($_[0])
}

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) = @_;

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

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

package CFClient::Item;

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

   my $desc =
      $self->{nrof} < 2
         ? $self->{name}
         : "$self->{nrof} × $self->{name_pl}";

   $self->{flags} & Crossfire::Protocol::F_OPEN
      and $desc .= " (open)";
   $self->{flags} & Crossfire::Protocol::F_APPLIED
      and $desc .= " (applied)";
   $self->{flags} & Crossfire::Protocol::F_UNPAID
      and $desc .= " (unpaid)";
   $self->{flags} & Crossfire::Protocol::F_MAGIC
      and $desc .= " (magic)";
   $self->{flags} & Crossfire::Protocol::F_CURSED
      and $desc .= " (cursed)";
   $self->{flags} & Crossfire::Protocol::F_DAMNED
      and $desc .= " (damned)";
   $self->{flags} & Crossfire::Protocol::F_LOCKED
      and $desc .= " *";

   $desc
}

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

   my $weight = ($self->{nrof} || 1) * $self->{weight};

   $weight < 0 ? "?" : $weight * 0.001
}

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

   my $tooltip_std = "<small>"
                   . "Left click - examine item\n"
                   . "Shift-Left click - " . ($self->{container} ? "move or drop" : "take") . " item\n"
                   . "Middle click - apply\n"
                   . "Right click - further options"
                   . "</small>\n";

   $self->{face_widget} ||= new CFClient::UI::Face can_events => 1, can_hover => 1;
   $self->{face_widget}{face}      = $self->{face};
   $self->{face_widget}{anim}      = $self->{anim};
   $self->{face_widget}{animspeed} = $self->{animespeed};
   $self->{face_widget}->set_tooltip (
      "<b>Face/Animation.</b>\n"
    . "Item uses face #$self->{face}. "
    . ($self->{animspeed} ? "Item uses animation #$self->{anim} at " . (1 / $self->{animspeed}) . "fps. " : "Item is not animated. ")
    . "\n\n$tooltip_std"
   );
   
   $self->{desc_widget} ||= new CFClient::UI::Label ellipsise => 2, can_events => 1, can_hover => 1;
   $self->{desc_widget}->set_text (CFClient::Item::desc_string $self);

   $self->{weight_widget} ||= new CFClient::UI::Label ellipsise => 0, can_events => 1, can_hover => 1, align => 0.5;
   $self->{weight_widget}->set_text (CFClient::Item::weight_string $self);

   $self->{weight_widget}->set_tooltip (
      "<b>Weight</b>.\n"
    . ($self->{weight} >= 0 ? "One item weighs $self->{weight}g. " : "You have no idea how much this weighs. ")
    . ($self->{nrof} ? "You have $self->{nrof} of it. " : "Item cannot stack with others of it's kind. ")
    . "\n\n$tooltip_std"
   );
}

package CFClient::Texture;

use strict;

use Scalar::Util;

use CFClient::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, %arg) = @_;

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

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

#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, %arg) = @_;

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

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

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

   $class->new (w => $w || 1, h => $h || 1, 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 > 0 && $th > 0) {
      $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} ||= glGenTexture;

   glBindTexture GL_TEXTURE_2D, $self->{name};

   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;

   if ($::FAST) {
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
   } elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
      # alternatively check for 0x8191
      glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
   } else {
      glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
      glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
   }
   
   glGetError;

   if (defined $data) {
      glTexImage2D GL_TEXTURE_2D, 0,
                   $self->{internalformat},
                   $tw, $th,
                   0,
                   $self->{format},
                   $self->{type},
                   $data;
      CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
                         $tw, $th, $self->{internalformat},  $self->{format}, $self->{type};
   } else {
      glCopyTexImage2D GL_TEXTURE_2D, 0,
                   $self->{internalformat},
                   0, 0,
                   $tw, $th,
                   0;
      CFClient::gl_check "copying to texture %dx%d if=%x",
                         $tw, $th, $self->{internalformat};
   }

   glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side
}

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

   delete $TEXTURES{$self+0};

   glDeleteTexture 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:	1.62
Committed:	Thu May 25 16:24:43 2006 UTC (17 years, 11 months ago) by root
Branch:	MAIN
Changes since 1.61:	+73 -0 lines
Log Message:	better inventory
#	User	Rev	Content
1	root	1.1	=head1 NAME
2
3	root	1.22	CFClient - undocumented utility garbage for our crossfire client
4	root	1.1
5			=head1 SYNOPSIS
6
7	root	1.22	use CFClient;
8	root	1.1
9			=head1 DESCRIPTION
10
11			=over 4
12
13			=cut
14
15	root	1.22	package CFClient;
16	root	1.1
17			BEGIN {
18			$VERSION = '0.1';
19
20	root	1.2	use XSLoader;
21	root	1.22	XSLoader::load "CFClient", $VERSION;
22	root	1.1	}
23
24	root	1.62	use utf8;
25
26	root	1.43	use Carp ();
27	root	1.52	use AnyEvent ();
28	root	1.34	use BerkeleyDB;
29	root	1.52
30	root	1.41	use CFClient::OpenGL;
31	root	1.26
32	root	1.19	our %GL_EXT;
33			our $GL_VERSION;
34
35			our $GL_NPOT;
36	root	1.49	our $GL_DEBUG = 1;
37	root	1.19
38			sub gl_init {
39			$GL_VERSION = gl_version * 1;
40			%GL_EXT = map +($_ => 1), split /\s+/, gl_extensions;
41
42			$GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} \|\| $GL_VERSION >= 2;
43	elmex	1.59	$GL_NPOT = 0 if gl_vendor =~ /ATI Technologies/; # ATI doesn't get it right...
44	root	1.19
45	root	1.49	glDisable GL_COLOR_MATERIAL;
46	root	1.26	glShadeModel GL_FLAT;
47	root	1.49	glDisable GL_DITHER;
48	root	1.26	glDisable GL_DEPTH_TEST;
49	root	1.57	glDepthMask 0;
50	root	1.26	glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST;
51
52	root	1.22	CFClient::Texture::restore_state ();
53	root	1.19	}
54
55	root	1.49	sub gl_check {
56			return unless $GL_DEBUG;
57
58			if (my $error = glGetError) {
59	root	1.61	my ($format, @args) = @_;
60			Carp::cluck sprintf "opengl error %x while $format", $error, @args;
61	root	1.49	}
62			}
63
64	root	1.5	sub find_rcfile($) {
65			my $path;
66
67	root	1.46	for (grep !ref, @INC) {
68	root	1.22	$path = "$_/CFClient/resources/$_[0]";
69	root	1.5	return $path if -r $path;
70			}
71
72			die "FATAL: can't find required file $_[0]\n";
73			}
74
75			sub read_cfg {
76			my ($file) = @_;
77
78			open CFG, $file
79			or return;
80
81			my $CFG;
82
83			local $/;
84			$CFG = eval <CFG>;
85
86			$::CFG = $CFG;
87
88			close CFG;
89			}
90
91			sub write_cfg {
92			my ($file) = @_;
93
94			open CFG, ">$file"
95			or return;
96
97			{
98	elmex	1.9	require Data::Dumper;
99	root	1.5	local $Data::Dumper::Purity = 1;
100			$::CFG->{VERSION} = $::VERSION;
101			print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]);
102			}
103
104			close CFG;
105			}
106
107	root	1.34	mkdir "$Crossfire::VARDIR/pclient", 0777;
108
109			our $DB_ENV = new BerkeleyDB::Env
110			-Home => "$Crossfire::VARDIR/pclient",
111			-Cachesize => 1_000_000,
112	root	1.39	-ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt",
113			# -ErrPrefix => "DATABASE",
114	root	1.34	-Verbose => 1,
115	root	1.58	-Flags => DB_CREATE \| DB_RECOVER \| DB_INIT_MPOOL \| DB_INIT_LOCK \| DB_INIT_TXN,
116	root	1.34	or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error";
117
118			sub db_table($) {
119	root	1.38	my ($table) = @_;
120
121			$table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge;
122
123	root	1.34	new CFClient::Database
124			-Env => $DB_ENV,
125	root	1.38	-Filename => $table,
126			# -Filename => "database",
127			# -Subname => $table,
128	root	1.51	-Property => DB_CHKSUM,
129	root	1.34	-Flags => DB_CREATE \| DB_UPGRADE,
130			or die "unable to create/open database table $_[0]: $BerkeleyDB::Error";
131			}
132
133	root	1.52	sub pod_to_pango($) {
134			my ($pom) = @_;
135
136			$pom->present ("CFClient::PodToPango")
137			}
138
139	root	1.60	sub pod_to_pango_list($) {
140			my ($pom) = @_;
141
142			[
143			map s/^(\s)// && [40 length $1, length $_ ? $_ : " "],
144			split /\n/, $pom->present ("CFClient::PodToPango")
145			]
146			}
147
148	root	1.52	package CFClient::PodToPango;
149
150			use base Pod::POM::View::Text;
151
152			our $indent = 0;
153
154			*view_seq_code =
155			*view_seq_bold = sub { "<b>$_[1]</b>" };
156			*view_seq_italic = sub { "<i>$_[1]</i>" };
157			*view_seq_space =
158			*view_seq_link =
159			*view_seq_index = sub { CFClient::UI::Label::escape ($_[1]) };
160
161			sub view_seq_text {
162			my $text = $_[1];
163			$text =~ s/\s+/ /g;
164			CFClient::UI::Label::escape ($text)
165			}
166
167			sub view_item {
168			("\t" x ($indent / 4))
169			. $_[1]->title->present ($_[0])
170			. "\n"
171			. $_[1]->content->present ($_[0])
172			}
173
174	root	1.53	sub view_verbatim {
175			(join "",
176			map +("\t" x ($indent / 2)) . "$_\n",
177			split /\n/, CFClient::UI::Label::escape ($_[1]))
178			. "\n"
179			}
180
181	root	1.52	sub view_textblock {
182			("\t" x ($indent / 2)) . "$_[1]\n\n"
183			}
184
185	root	1.60	sub view_head1 {
186			"<span foreground='#ffff00' size='x-large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
187			. $_[1]->content->present ($_[0])
188			};
189
190	root	1.52	sub view_head2 {
191	root	1.60	"<span foreground='#ccccff' size='large'>" . $_[1]->title->present ($_[0]) . "</span>\n\n"
192	root	1.52	. $_[1]->content->present ($_[0])
193			};
194
195			sub view_over {
196			local $indent = $indent + $_[1]->indent;
197			$_[1]->content->present ($_[0])
198			}
199
200	root	1.34	package CFClient::Database;
201
202			our @ISA = BerkeleyDB::Btree::;
203
204			sub get($$) {
205			my $data;
206
207			$_[0]->db_get ($_[1], $data) == 0
208			? $data
209	root	1.37	: ()
210	root	1.34	}
211
212			my %DB_SYNC;
213
214			sub put($$$) {
215			my ($db, $key, $data) = @_;
216
217	root	1.37	$DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync });
218	root	1.34
219	root	1.37	$db->db_put ($key => $data)
220	root	1.34	}
221
222	root	1.62	package CFClient::Item;
223
224			sub desc_string {
225			my ($self) = @_;
226
227			my $desc =
228			$self->{nrof} < 2
229			? $self->{name}
230			: "$self->{nrof} × $self->{name_pl}";
231
232			$self->{flags} & Crossfire::Protocol::F_OPEN
233			and $desc .= " (open)";
234			$self->{flags} & Crossfire::Protocol::F_APPLIED
235			and $desc .= " (applied)";
236			$self->{flags} & Crossfire::Protocol::F_UNPAID
237			and $desc .= " (unpaid)";
238			$self->{flags} & Crossfire::Protocol::F_MAGIC
239			and $desc .= " (magic)";
240			$self->{flags} & Crossfire::Protocol::F_CURSED
241			and $desc .= " (cursed)";
242			$self->{flags} & Crossfire::Protocol::F_DAMNED
243			and $desc .= " (damned)";
244			$self->{flags} & Crossfire::Protocol::F_LOCKED
245			and $desc .= " *";
246
247			$desc
248			}
249
250			sub weight_string {
251			my ($self) = @_;
252
253			my $weight = ($self->{nrof} \|\| 1) * $self->{weight};
254
255			$weight < 0 ? "?" : $weight * 0.001
256			}
257
258			sub update_widgets {
259			my ($self) = @_;
260
261			my $tooltip_std = "<small>"
262			. "Left click - examine item\n"
263			. "Shift-Left click - " . ($self->{container} ? "move or drop" : "take") . " item\n"
264			. "Middle click - apply\n"
265			. "Right click - further options"
266			. "</small>\n";
267
268			$self->{face_widget} \|\|= new CFClient::UI::Face can_events => 1, can_hover => 1;
269			$self->{face_widget}{face} = $self->{face};
270			$self->{face_widget}{anim} = $self->{anim};
271			$self->{face_widget}{animspeed} = $self->{animespeed};
272			$self->{face_widget}->set_tooltip (
273			"<b>Face/Animation.</b>\n"
274			. "Item uses face #$self->{face}. "
275			. ($self->{animspeed} ? "Item uses animation #$self->{anim} at " . (1 / $self->{animspeed}) . "fps. " : "Item is not animated. ")
276			. "\n\n$tooltip_std"
277			);
278
279			$self->{desc_widget} \|\|= new CFClient::UI::Label ellipsise => 2, can_events => 1, can_hover => 1;
280			$self->{desc_widget}->set_text (CFClient::Item::desc_string $self);
281
282			$self->{weight_widget} \|\|= new CFClient::UI::Label ellipsise => 0, can_events => 1, can_hover => 1, align => 0.5;
283			$self->{weight_widget}->set_text (CFClient::Item::weight_string $self);
284
285			$self->{weight_widget}->set_tooltip (
286			"<b>Weight</b>.\n"
287			. ($self->{weight} >= 0 ? "One item weighs $self->{weight}g. " : "You have no idea how much this weighs. ")
288			. ($self->{nrof} ? "You have $self->{nrof} of it. " : "Item cannot stack with others of it's kind. ")
289			. "\n\n$tooltip_std"
290			);
291			}
292
293	root	1.22	package CFClient::Texture;
294	root	1.3
295	root	1.25	use strict;
296
297	root	1.3	use Scalar::Util;
298
299	root	1.41	use CFClient::OpenGL;
300	root	1.3
301	root	1.35	my %TEXTURES;
302	root	1.3
303	root	1.14	sub new {
304	root	1.4	my ($class, %data) = @_;
305
306	root	1.14	my $self = bless {
307	root	1.15	internalformat => GL_RGBA,
308			format => GL_RGBA,
309	root	1.29	type => GL_UNSIGNED_BYTE,
310	root	1.14	%data,
311			}, $class;
312	root	1.4
313	root	1.35	Scalar::Util::weaken ($TEXTURES{$self+0} = $self);
314	root	1.4
315			$self->upload;
316
317			$self
318			}
319
320			sub new_from_image {
321	root	1.33	my ($class, $image, %arg) = @_;
322	root	1.4
323	root	1.33	$class->new (image => $image, %arg)
324	root	1.4	}
325
326	root	1.3	sub new_from_file {
327	root	1.42	my ($class, $path, %arg) = @_;
328	root	1.3
329			open my $fh, "<:raw", $path
330			or die "$path: $!";
331
332			local $/;
333	root	1.42	$class->new_from_image (<$fh>, %arg)
334	root	1.3	}
335
336	root	1.14	#sub new_from_surface {
337			# my ($class, $surface) = @_;
338			#
339			# $surface->rgba;
340			#
341			# $class->new (
342			# data => $surface->pixels,
343	root	1.24	# w => $surface->width,
344			# h => $surface->height,
345	root	1.14	# )
346			#}
347
348	root	1.21	sub new_from_layout {
349	root	1.42	my ($class, $layout, %arg) = @_;
350	root	1.14
351	root	1.50	my ($w, $h, $data, $format, $internalformat) = $layout->render;
352	root	1.14
353			$class->new (
354	root	1.24	w => $w,
355			h => $h,
356	root	1.14	data => $data,
357	root	1.50	format => $format,
358			internalformat => $format,
359	root	1.29	type => GL_UNSIGNED_BYTE,
360	root	1.42	%arg,
361	root	1.4	)
362	root	1.3	}
363
364	root	1.8	sub new_from_opengl {
365			my ($class, $w, $h, $cb) = @_;
366
367	root	1.48	$class->new (w => $w \|\| 1, h => $h \|\| 1, render_cb => $cb)
368	root	1.8	}
369
370	root	1.19	sub topot {
371			(grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0]
372			}
373
374	root	1.3	sub upload {
375			my ($self) = @_;
376
377	root	1.27	return unless $GL_VERSION;
378	root	1.3
379	root	1.6	my $data;
380	root	1.3
381			if (exists $self->{data}) {
382	root	1.6	$data = $self->{data};
383	root	1.25
384	root	1.24	} elsif (exists $self->{render_cb}) {
385			glViewport 0, 0, $self->{w}, $self->{h};
386	root	1.12	glMatrixMode GL_PROJECTION;
387			glLoadIdentity;
388	root	1.31	glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000;
389	root	1.12	glMatrixMode GL_MODELVIEW;
390			glLoadIdentity;
391	root	1.25	$self->{render_cb}->($self, $self->{w}, $self->{h});
392	root	1.8
393	root	1.3	} else {
394	root	1.29	($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type})
395			= CFClient::load_image_inline $self->{image};
396	root	1.3	}
397
398	root	1.24	my ($tw, $th) = @$self{qw(w h)};
399	root	1.19
400	root	1.47	unless ($tw > 0 && $th > 0) {
401	root	1.24	$tw = $th = 1;
402			$data = "\x00" x 64;
403			}
404
405	root	1.32	$self->{minified} = [CFClient::average $tw, $th, $data]
406	root	1.33	if $self->{minify};
407	root	1.32
408	root	1.24	unless ($GL_NPOT) {
409			# TODO: does not work for zero-sized textures
410	root	1.19	$tw = topot $tw;
411			$th = topot $th;
412
413	root	1.43	if (($tw != $self->{w} \|\| $th != $self->{h}) && defined $data) {
414	root	1.24	my $bpp = (length $data) / ($self->{w} * $self->{h});
415	root	1.20	$data = pack "(a" . ($tw * $bpp) . ")*",
416	root	1.24	unpack "(a" . ($self->{w} * $bpp) . ")*", $data;
417			$data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h});
418	root	1.19	}
419			}
420
421	root	1.24	$self->{s} = $self->{w} / $tw;
422			$self->{t} = $self->{h} / $th;
423	root	1.19
424	root	1.41	$self->{name} \|\|= glGenTexture;
425	root	1.3
426			glBindTexture GL_TEXTURE_2D, $self->{name};
427
428			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP;
429			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP;
430	root	1.42
431			if ($::FAST) {
432			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST;
433			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
434	root	1.45	} elsif ($self->{mipmap} && $GL_VERSION >= 1.4) {
435			# alternatively check for 0x8191
436			glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, 1;
437			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
438			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR;
439	root	1.42	} else {
440			glTexParameter GL_TEXTURE_2D, GL_GENERATE_MIPMAP, $self->{mipmap};
441			glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
442	root	1.45	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR;
443	root	1.42	}
444	root	1.3
445	root	1.45	glGetError;
446
447	root	1.8	if (defined $data) {
448			glTexImage2D GL_TEXTURE_2D, 0,
449	root	1.15	$self->{internalformat},
450	root	1.54	$tw, $th,
451	root	1.8	0,
452	root	1.14	$self->{format},
453	root	1.29	$self->{type},
454	root	1.8	$data;
455	root	1.49	CFClient::gl_check "uploading texture %dx%d if=%x f=%x t=%x",
456			$tw, $th, $self->{internalformat}, $self->{format}, $self->{type};
457	root	1.8	} else {
458			glCopyTexImage2D GL_TEXTURE_2D, 0,
459	root	1.15	$self->{internalformat},
460	root	1.8	0, 0,
461	root	1.19	$tw, $th,
462	root	1.8	0;
463	root	1.49	CFClient::gl_check "copying to texture %dx%d if=%x",
464			$tw, $th, $self->{internalformat};
465	root	1.8	}
466	root	1.55
467			glBindTexture GL_TEXTURE_2D, 0; # just to be on the safe side
468	root	1.3	}
469
470			sub DESTROY {
471			my ($self) = @_;
472
473	root	1.35	delete $TEXTURES{$self+0};
474
475	root	1.41	glDeleteTexture delete $self->{name}
476	root	1.36	if $self->{name};
477	root	1.3	}
478
479	root	1.54	sub restore_state {
480	root	1.3	$_->upload
481	root	1.36	for values %TEXTURES;
482	root	1.54	}
483	root	1.3
484	root	1.1	1;
485
486			=back
487
488			=head1 AUTHOR
489
490			Marc Lehmann <schmorp@schmorp.de>
491			http://home.schmorp.de/
492
493			=cut
494