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=head1 NAME |
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Crossfire::Client - undocumented utility garbage for our crossfire client |
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=head1 SYNOPSIS |
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use Crossfire::Client; |
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=head1 DESCRIPTION |
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=over 4 |
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=cut |
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package Crossfire::Client; |
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BEGIN { |
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$VERSION = '0.1'; |
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use XSLoader; |
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1.1 |
XSLoader::load "Crossfire::Client", $VERSION; |
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} |
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sub find_rcfile($) { |
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my $path; |
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for (@INC) { |
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$path = "$_/Crossfire/resources/$_[0]"; |
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return $path if -r $path; |
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} |
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die "FATAL: can't find required file $_[0]\n"; |
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} |
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sub read_cfg { |
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my ($file) = @_; |
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open CFG, $file |
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or return; |
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my $CFG; |
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local $/; |
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$CFG = eval <CFG>; |
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$::CFG = $CFG; |
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close CFG; |
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} |
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sub write_cfg { |
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my ($file) = @_; |
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open CFG, ">$file" |
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or return; |
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{ |
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elmex |
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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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close CFG; |
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} |
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package Crossfire::Client::Texture; |
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use Scalar::Util; |
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use SDL::OpenGL; |
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my @textures; |
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sub new { |
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my ($class, %data) = @_; |
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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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%data, |
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}, $class; |
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push @textures, $self; |
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Scalar::Util::weaken $textures[-1]; |
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$self->upload; |
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$self |
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} |
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sub new_from_image { |
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my ($class, $image) = @_; |
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$class->new (image => $image) |
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} |
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sub new_from_file { |
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my ($class, $path) = @_; |
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open my $fh, "<:raw", $path |
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or die "$path: $!"; |
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local $/; |
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$class->new_from_image (<$fh>) |
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} |
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#sub new_from_surface { |
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# my ($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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# width => $surface->width, |
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# height => $surface->height, |
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# ) |
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#} |
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sub new_from_text { |
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my ($class, $text, $height) = @_; |
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my ($w, $h, $data) = Crossfire::Client::font_render $text, $height; |
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$class->new ( |
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width => $w, |
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height => $h, |
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data => $data, |
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internalformat => GL_ALPHA8, |
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format => GL_ALPHA, |
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) |
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} |
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sub new_from_opengl { |
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my ($class, $w, $h, $cb) = @_; |
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$class->new (width => $w, height => $h, rendercb => $cb) |
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} |
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sub upload { |
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my ($self) = @_; |
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return unless $SDL::App::USING_OPENGL; |
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my $data; |
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if (exists $self->{data}) { |
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$data = $self->{data}; |
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} elsif (exists $self->{rendercb}) { |
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glViewport 0, 0, $self->{width}, $self->{height}; |
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glMatrixMode GL_PROJECTION; |
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glLoadIdentity; |
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glOrtho 0, $self->{width}, 0, $self->{height}, -100, 100; |
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glMatrixMode GL_MODELVIEW; |
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glPushmatrix; |
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glLoadIdentity; |
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glClear GL_COLOR_BUFFER_BIT; |
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$self->{rendercb}->($self, $self->{width}, $self->{height}); |
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} else { |
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my $pb = new Gtk2::Gdk::PixbufLoader; |
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$pb->write ($self->{image}); |
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$pb->close; |
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$pb = $pb->get_pixbuf; |
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$pb = $pb->add_alpha (0, 0, 0, 0); |
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$self->{width} = $pb->get_width; |
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$self->{height} = $pb->get_height; |
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$data = $pb->get_pixels; |
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} |
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($self->{name}) = @{glGenTextures 1}; |
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glBindTexture GL_TEXTURE_2D, $self->{name}; |
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glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST; |
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glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;#_MIPMAP_LINEAR; |
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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; |
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if (defined $data) { |
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glTexImage2D GL_TEXTURE_2D, 0, |
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$self->{internalformat}, |
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$self->{width}, $self->{height}, |
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0, |
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$self->{format}, |
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GL_UNSIGNED_BYTE, |
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$data; |
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} else { |
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glCopyTexImage2D GL_TEXTURE_2D, 0, |
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$self->{internalformat}, |
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0, 0, |
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$self->{width}, $self->{height}, |
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0; |
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glPopmatrix; |
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#SDL::GLSwapBuffers; |
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#sleep 1; |
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} |
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} |
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sub DESTROY { |
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my ($self) = @_; |
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return unless exists $self->{name}; |
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glDeleteTextures delete $self->{name}; |
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} |
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push @::GLINIT, sub { |
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$_->upload |
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for grep $_, @textures; |
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}; |
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1.1 |
1; |
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=back |
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=head1 AUTHOR |
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Marc Lehmann <schmorp@schmorp.de> |
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http://home.schmorp.de/ |
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=cut |
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