| 1 |
=head1 NAME |
| 2 |
|
| 3 |
CFClient - undocumented utility garbage for our crossfire client |
| 4 |
|
| 5 |
=head1 SYNOPSIS |
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|
| 7 |
use CFClient; |
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|
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=head1 DESCRIPTION |
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|
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=over 4 |
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|
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=cut |
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|
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package CFClient; |
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|
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BEGIN { |
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$VERSION = '0.1'; |
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|
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use XSLoader; |
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XSLoader::load "CFClient", $VERSION; |
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} |
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|
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use Carp (); |
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use AnyEvent; |
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use BerkeleyDB; |
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use CFClient::OpenGL; |
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|
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our %GL_EXT; |
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our $GL_VERSION; |
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|
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our $GL_NPOT; |
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our $GL_DEBUG = 1; |
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|
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sub gl_init { |
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$GL_VERSION = gl_version * 1; |
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%GL_EXT = map +($_ => 1), split /\s+/, gl_extensions; |
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|
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$GL_NPOT = $GL_EXT{GL_ARB_texture_non_power_of_two} || $GL_VERSION >= 2; |
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|
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glDisable GL_COLOR_MATERIAL; |
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glShadeModel GL_FLAT; |
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glDisable GL_DITHER; |
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glDisable GL_DEPTH_TEST; |
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glHint GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST; |
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|
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CFClient::Texture::restore_state (); |
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} |
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|
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sub gl_check { |
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return unless $GL_DEBUG; |
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|
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if (my $error = glGetError) { |
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Carp::cluck sprintf "opengl error %x while %s", $error, sprintf @_; |
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} |
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} |
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|
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sub find_rcfile($) { |
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my $path; |
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|
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for (grep !ref, @INC) { |
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$path = "$_/CFClient/resources/$_[0]"; |
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return $path if -r $path; |
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} |
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|
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die "FATAL: can't find required file $_[0]\n"; |
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} |
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|
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sub read_cfg { |
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my ($file) = @_; |
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|
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open CFG, $file |
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or return; |
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|
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my $CFG; |
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|
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local $/; |
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$CFG = eval <CFG>; |
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|
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$::CFG = $CFG; |
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|
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close CFG; |
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} |
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|
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sub write_cfg { |
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my ($file) = @_; |
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|
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open CFG, ">$file" |
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or return; |
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|
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{ |
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require Data::Dumper; |
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local $Data::Dumper::Purity = 1; |
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$::CFG->{VERSION} = $::VERSION; |
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print CFG Data::Dumper->Dump ([$::CFG], [qw/CFG/]); |
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} |
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|
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close CFG; |
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} |
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|
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mkdir "$Crossfire::VARDIR/pclient", 0777; |
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|
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our $DB_ENV = new BerkeleyDB::Env |
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-Home => "$Crossfire::VARDIR/pclient", |
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-Cachesize => 1_000_000, |
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-ErrFile => "$Crossfire::VARDIR/pclient/errorlog.txt", |
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# -ErrPrefix => "DATABASE", |
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-Verbose => 1, |
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-Flags => DB_CREATE | DB_RECOVER_FATAL | DB_INIT_MPOOL | DB_INIT_LOCK | DB_INIT_TXN, |
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or die "unable to create/open database home $Crossfire::VARDIR/pclient: $BerkeleyDB::Error"; |
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|
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sub db_table($) { |
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my ($table) = @_; |
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|
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$table =~ s/([^a-zA-Z0-9_\-])/sprintf "=%x=", ord $1/ge; |
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|
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new CFClient::Database |
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-Env => $DB_ENV, |
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-Filename => $table, |
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# -Filename => "database", |
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# -Subname => $table, |
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-Flags => DB_CREATE | DB_UPGRADE, |
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or die "unable to create/open database table $_[0]: $BerkeleyDB::Error"; |
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} |
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|
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package CFClient::Database; |
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|
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our @ISA = BerkeleyDB::Btree::; |
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|
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sub get($$) { |
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my $data; |
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|
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$_[0]->db_get ($_[1], $data) == 0 |
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? $data |
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: () |
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} |
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|
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my %DB_SYNC; |
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|
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sub put($$$) { |
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my ($db, $key, $data) = @_; |
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|
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$DB_SYNC{$db} = AnyEvent->timer (after => 5, cb => sub { $db->db_sync }); |
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|
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$db->db_put ($key => $data) |
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} |
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|
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package CFClient::Texture; |
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|
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use strict; |
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|
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use Scalar::Util; |
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|
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use CFClient::OpenGL; |
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|
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my %TEXTURES; |
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|
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sub new { |
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my ($class, %data) = @_; |
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|
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my $self = bless { |
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internalformat => GL_RGBA, |
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format => GL_RGBA, |
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type => GL_UNSIGNED_BYTE, |
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%data, |
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}, $class; |
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|
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Scalar::Util::weaken ($TEXTURES{$self+0} = $self); |
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|
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$self->upload; |
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|
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$self |
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} |
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|
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sub new_from_image { |
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my ($class, $image, %arg) = @_; |
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|
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$class->new (image => $image, %arg) |
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} |
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|
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sub new_from_file { |
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my ($class, $path, %arg) = @_; |
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|
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open my $fh, "<:raw", $path |
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or die "$path: $!"; |
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|
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local $/; |
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$class->new_from_image (<$fh>, %arg) |
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} |
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|
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#sub new_from_surface { |
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# my ($class, $surface) = @_; |
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# |
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# $surface->rgba; |
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# |
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# $class->new ( |
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# data => $surface->pixels, |
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# w => $surface->width, |
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# h => $surface->height, |
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# ) |
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#} |
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|
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sub new_from_layout { |
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my ($class, $layout, %arg) = @_; |
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|
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my ($w, $h, $data, $format, $internalformat) = $layout->render; |
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|
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$class->new ( |
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w => $w, |
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h => $h, |
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data => $data, |
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format => $format, |
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internalformat => $format, |
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type => GL_UNSIGNED_BYTE, |
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%arg, |
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) |
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} |
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|
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sub new_from_opengl { |
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my ($class, $w, $h, $cb) = @_; |
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|
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$class->new (w => $w || 1, h => $h || 1, render_cb => $cb) |
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} |
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|
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sub topot { |
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(grep $_ >= $_[0], 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768)[0] |
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} |
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|
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sub upload { |
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my ($self) = @_; |
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|
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return unless $GL_VERSION; |
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|
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my $data; |
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|
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if (exists $self->{data}) { |
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$data = $self->{data}; |
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|
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} elsif (exists $self->{render_cb}) { |
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glViewport 0, 0, $self->{w}, $self->{h}; |
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glMatrixMode GL_PROJECTION; |
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glLoadIdentity; |
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glOrtho 0, $self->{w}, 0, $self->{h}, -10000, 10000; |
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glMatrixMode GL_MODELVIEW; |
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glLoadIdentity; |
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$self->{render_cb}->($self, $self->{w}, $self->{h}); |
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|
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} else { |
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($self->{w}, $self->{h}, $data, $self->{internalformat}, $self->{format}, $self->{type}) |
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= CFClient::load_image_inline $self->{image}; |
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} |
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|
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my ($tw, $th) = @$self{qw(w h)}; |
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|
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unless ($tw > 0 && $th > 0) { |
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$tw = $th = 1; |
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$data = "\x00" x 64; |
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} |
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|
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$self->{minified} = [CFClient::average $tw, $th, $data] |
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if $self->{minify}; |
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|
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unless ($GL_NPOT) { |
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# TODO: does not work for zero-sized textures |
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$tw = topot $tw; |
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$th = topot $th; |
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|
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if (($tw != $self->{w} || $th != $self->{h}) && defined $data) { |
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my $bpp = (length $data) / ($self->{w} * $self->{h}); |
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$data = pack "(a" . ($tw * $bpp) . ")*", |
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unpack "(a" . ($self->{w} * $bpp) . ")*", $data; |
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$data .= ("\x00" x ($tw * $bpp)) x ($th - $self->{h}); |
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} |
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} |
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|
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$self->{s} = $self->{w} / $tw; |
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$self->{t} = $self->{h} / $th; |
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|
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$self->{name} ||= glGenTexture; |
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|
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glBindTexture GL_TEXTURE_2D, $self->{name}; |
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|
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glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP; |
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glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP; |
| 285 |
|
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if ($::FAST) { |
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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; |
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} else { |
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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 |
} |
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|
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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 |
$self->{type}, |
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$data; |
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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, $self->{internalformat}; |
| 320 |
} |
| 321 |
} |
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|
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sub DESTROY { |
| 324 |
my ($self) = @_; |
| 325 |
|
| 326 |
delete $TEXTURES{$self+0}; |
| 327 |
|
| 328 |
glDeleteTexture delete $self->{name} |
| 329 |
if $self->{name}; |
| 330 |
} |
| 331 |
|
| 332 |
sub restore_state{ |
| 333 |
$_->upload |
| 334 |
for values %TEXTURES; |
| 335 |
}; |
| 336 |
|
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1; |
| 338 |
|
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=back |
| 340 |
|
| 341 |
=head1 AUTHOR |
| 342 |
|
| 343 |
Marc Lehmann <schmorp@schmorp.de> |
| 344 |
http://home.schmorp.de/ |
| 345 |
|
| 346 |
=cut |
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|
