Deliantra-Client/DC/UI.pm

package Crossfire::Client::Widget;

use strict;

use Scalar::Util;

use SDL::OpenGL;
use SDL::OpenGL::Constants;

our $FOCUS;  # the widget with current focus

# class methods for events
sub feed_sdl_key_down_event    { $FOCUS->key_down ($_[0])    if $FOCUS }
sub feed_sdl_key_up_event      { $FOCUS->key_up ($_[0])      if $FOCUS }
sub feed_sdl_button_down_event { }
sub feed_sdl_button_up_event   { }

sub new {
   my $class = shift;

   bless { @_ }, $class
}

sub move {
   my ($self, $x, $y, $z) = @_;
   $self->{x} = $x;
   $self->{y} = $y;
   $self->{z} = $z if defined $z;
}

sub needs_redraw {
   0
}

sub size_request {
   require Carp;
   Carp::confess "size_request is abtract";
}

sub size_allocate {
   my ($self, $w, $h) = @_;
   $self->w ($w);
   $self->h ($h);
}

sub focus_in {
   my ($widget) = @_;
   $FOCUS = $widget;
}

sub focus_out {
   my ($widget) = @_;
}

sub key_down {
   my ($widget, $sdlev) = @_;
}

sub key_up {
   my ($widget, $sdlev) = @_;
}

sub button_down {
   my ($widget, $sdlev) = @_;
}

sub button_up {
   my ($widget, $sdlev) = @_;
}

sub w { $_[0]->{w} = $_[1] if $_[1]; $_[0]->{w} }
sub h { $_[0]->{h} = $_[1] if $_[1]; $_[0]->{h} }
sub x { $_[0]->{x} = $_[1] if $_[1]; $_[0]->{x} }
sub y { $_[0]->{y} = $_[1] if $_[1]; $_[0]->{y} }
sub z { $_[0]->{z} = $_[1] if $_[1]; $_[0]->{z} }

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

   glPushMatrix;
   glTranslate $self->{x}, $self->{y}, 0;
   $self->_draw;
   glPopMatrix;
}

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

   warn "no draw defined for $self\n";
}

sub bbox {
   my ($self) = @_;
   my ($w, $h) = $self->size_request;
   (
     $self->{x},
     $self->{y},
     $self->{x} = $w,
     $self->{y} = $h
   )
}

sub find_widget {
   my ($self, $x, $y) = @_;

   return $self
      if $x >= $self->{x} && $x < $self->{x} + $self->{w}
          && $y >= $self->{y} && $y < $self->{y} + $self->{h};

   ()
}

sub del_parent { $_[0]->{parent} = undef }

sub set_parent {
   my ($self, $par) = @_;

   $self->{parent} = $par;
   Scalar::Util::weaken $self->{parent};
}

sub get_parent {
   $_[0]->{parent}
}

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

   $self->{parent}->update
      if $self->{parent};
}

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

   #$self->deactivate;
}

package Crossfire::Client::Widget::Container;

our @ISA = Crossfire::Client::Widget::;

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

   my $self = $class->SUPER::new (children => []);
   $self->add ($_) for @widgets;

   $self
}

sub add {
   my ($self, $chld, $expand) = @_;

   $chld->{expand} = $expand;
   $chld->set_parent ($self);

   @{$self->{children}} =
      sort { $a->{z} <=> $b->{z} }
         @{$self->{children}}, $chld;

   $self->size_allocate ($self->{w}, $self->{h});
}

sub remove {
   my ($self, $widget) = @_;

   $self->{children} = [ grep $_ != $widget, @{ $self->{children} } ];

   $self->size_allocate ($self->{w}, $self->{h});
}

sub find_widget {
   my ($self, $x, $y) = @_;

   my $res;

   for (@{ $self->{children} }) {
      $res = $_->find_widget ($x, $y)
         and return $res;
   }

   ()
}

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

   my ($hs, $ws) = (0, 0);
   for (@{$self->{children} || []}) {
      my ($w, $h) = $_->size_request;
      $hs += $h;
      if ($ws < $w) { $ws = $w }
   }

   return ($ws, $hs);
}

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

   $_->draw for @{$self->{children}};
}

package Crossfire::Client::Widget::Bin;

our @ISA = Crossfire::Client::Widget::Container::;

sub get { $_[0]->{children}[0] }

sub size_request {
   $_[0]{children}[0]->size_request if $_[0]{children}[0];
}

sub size_allocate {
   my ($self, $w, $h) = @_;
   $self->SUPER::size_allocate ($w, $h);
   $self->{children}[0]->size_allocate ($w, $h)
      if $self->{children}[0]
}

package Crossfire::Client::Widget::Toplevel;

our @ISA = Crossfire::Client::Widget::Container::;

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

   ::refresh ();
}

package Crossfire::Client::Widget::Window;

our @ISA = Crossfire::Client::Widget::Bin::;

use SDL::OpenGL;

sub add {
   my ($self, $chld) = @_;
   warn "ADD $chld\n";
   $self->SUPER::add ($chld);
   $chld->set_parent ($self);
}

sub remove {
   my ($self) = @_;
   # TODO FIXME: removing a child from a window will crash, see render_chld
   # $self->update;
}

sub update {
   my ($self) = @_;
   $self->render_chld;
}

sub render_chld {
   my ($self) = @_;
   my $chld = $self->get;
   my ($w, $h) = $self->size_request;

   require Carp;
   Carp::cluck "RENDERCHI $w $h";
   warn "RENDERCHI $w $h\n";
   $self->{texture} =
      Crossfire::Client::Texture->new_from_opengl (
         $w, $h, sub { $chld->draw }
      );
   $self->{texture}->upload;
}

sub size_request {
   my ($self) = @_;
   ($self->w, $self->h)
}

sub size_allocate {
   my ($self, $w, $h) = @_;

   $self->w ($w);
   $self->h ($h);
   $self->get->size_allocate ($w, $h);

   $self->update; #TODO: Move this to the size_request event propably?
}

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

   my ($w, $h) = ($self->w, $self->h);

   my $tex = $self->{texture}
      or return;

   glEnable GL_BLEND;
   glEnable GL_TEXTURE_2D;
   glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
   glBindTexture GL_TEXTURE_2D, $tex->{name};

   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex  0,  0;
   glTexCoord 0, 1; glVertex  0, $h;
   glTexCoord 1, 1; glVertex $w, $h;
   glTexCoord 1, 0; glVertex $w,  0;
   glEnd;

   glDisable GL_BLEND;
   glDisable GL_TEXTURE_2D;
}

package Crossfire::Client::Widget::Frame;

our @ISA = Crossfire::Client::Widget::Bin::;

use SDL::OpenGL;

sub size_request {
   my ($self) = @_;
   my $chld = $self->get
      or return (0, 0);

   $chld->move (2, 2);

   map { $_ + 4 } $chld->size_request;
}

sub size_allocate {
   my ($self, $w, $h) = @_;

   $self->w ($w);
   $self->h ($h);

   $self->get->size_allocate ($w - 4, $h - 4);
   $self->get->move (2, 2);
}

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

   my $chld = $self->get;

   my ($w, $h) = $chld->size_request;

   glBegin GL_QUADS;
   glColor 0, 0, 0;
   glTexCoord 0, 0; glVertex 0      , 0;
   glTexCoord 0, 1; glVertex 0      , $h + 4;
   glTexCoord 1, 1; glVertex $w + 4 , $h + 4;
   glTexCoord 1, 0; glVertex $w + 4 , 0;
   glEnd;

   $chld->draw;
}

package Crossfire::Client::Widget::FancyFrame;

our @ISA = Crossfire::Client::Widget::Frame::;

use SDL::OpenGL;

sub new {
   my ($self, $theme) = @_;
   $self = $self->SUPER::new;

   $self->{txts} = [
      map { new_from_file Crossfire::Client::Texture Crossfire::Client::find_rcfile $_ }
         qw/d1_bg.png d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png/
   ];
   $self
}

sub size_request {
   my ($self) = @_;
   my ($w, $h) = $self->get->size_request;

   $h += $self->{txts}->[1]->{height};
   $h += $self->{txts}->[4]->{height};
   $w += $self->{txts}->[2]->{width};
   $w += $self->{txts}->[3]->{width};

   ($w, $h)
}

sub size_allocate {
   my ($self, $w, $h) = @_;

   $self->w ($w);
   $self->h ($h);
   $h -= $self->{txts}->[1]->{height};
   $h -= $self->{txts}->[4]->{height};
   $w -= $self->{txts}->[2]->{width};
   $w -= $self->{txts}->[3]->{width};

   $h = $h < 0 ? 0 : $h;
   $w = $w < 0 ? 0 : $w;
   warn "CHILD:$w $h\n";
   $self->get->size_allocate ($w, $h);
   $self->get->move ($self->{txts}->[3]->{width}, $self->{txts}->[1]->{height});
}

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

   my ($w, $h) = ($self->w, $self->h);
   my ($cw, $ch) = ($self->get->w, $self->get->h);

   glEnable GL_BLEND;
   glEnable GL_TEXTURE_2D;
   glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
   glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;

   my $top = $self->{txts}->[1];
   glBindTexture GL_TEXTURE_2D, $top->{name};

   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex 0            , 0;
   glTexCoord 0, 1; glVertex 0            , $top->{height};
   glTexCoord 1, 1; glVertex $w           , $top->{height};
   glTexCoord 1, 0; glVertex $w           , 0;
   glEnd;

   my $left = $self->{txts}->[3];
   glBindTexture GL_TEXTURE_2D, $left->{name};

   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex 0            ,  $top->{height};
   glTexCoord 0, 1; glVertex 0            ,  $top->{height} + $ch;
   glTexCoord 1, 1; glVertex $left->{width}, $top->{height} + $ch;
   glTexCoord 1, 0; glVertex $left->{width}, $top->{height};
   glEnd;

   my $right = $self->{txts}->[2];
   glBindTexture GL_TEXTURE_2D, $right->{name};

   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex $w - $right->{width}, $top->{height};
   glTexCoord 0, 1; glVertex $w - $right->{width}, $top->{height} + $ch;
   glTexCoord 1, 1; glVertex $w                  , $top->{height} + $ch;
   glTexCoord 1, 0; glVertex $w                  , $top->{height};
   glEnd;

   my $bottom = $self->{txts}->[4];
   glBindTexture GL_TEXTURE_2D, $bottom->{name};

   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex 0            , $h - $bottom->{height};
   glTexCoord 0, 1; glVertex 0            , $h;
   glTexCoord 1, 1; glVertex $w           , $h;
   glTexCoord 1, 0; glVertex $w           , $h - $bottom->{height};
   glEnd;

   my $bg = $self->{txts}->[0];
   glBindTexture GL_TEXTURE_2D, $bg->{name};
   glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
   glTexParameter  GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT;
   glTexParameter  GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT;

   my $rep_x = $cw / $bg->{width};
   my $rep_y = $ch / $bg->{height};

   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex $left->{width}, $top->{height};
   glTexCoord 0, $rep_y; glVertex $left->{width}, $top->{height} + $ch;
   glTexCoord $rep_x, $rep_y; glVertex $left->{width} + $cw , $top->{height} + $ch;
   glTexCoord $rep_x, 0; glVertex $left->{width} + $cw , $top->{height};
   glEnd;

   glDisable GL_BLEND;
   glDisable GL_TEXTURE_2D;

   $self->get->draw;

}

package Crossfire::Client::Widget::Table;

our @ISA = Crossfire::Client::Widget::Bin::;

use SDL::OpenGL;

sub add {
   my ($self, $x, $y, $chld) = @_;
   my $old_chld = $self->{children}[$y][$x];

   $self->{children}[$y][$x] = $chld;
   $chld->set_parent ($self);
   $self->update;
}

sub max_row_height {
   my ($self, $row) = @_;

   my $hs = 0;
   for (my $xi = 0; $xi <= $#{$self->{children}->[$row] || []}; $xi++) {
      my $c = $self->{children}->[$row]->[$xi];
      if ($c) {
         my ($w, $h) = $c->size_request;
         if ($hs < $h) { $hs = $h }
      }
   }
   return $hs;
}

sub max_col_width {
   my ($self, $col) = @_;

   my $ws = 0;
   for (my $yi = 0; $yi <= $#{$self->{children} || []}; $yi++) {
      my $c = ($self->{children}->[$yi] || [])->[$col];
      if ($c) {
         my ($w, $h) = $c->size_request;
         if ($ws < $w) { $ws = $w }
      }
   }
   return $ws;
}

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

   my ($hs, $ws) = (0, 0);

   for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
      $hs += $self->max_row_height ($yi);
   }

   for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
      my $wm = 0;
      for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {
         $wm += $self->max_col_width ($xi)
      }
      if ($ws < $wm) { $ws = $wm }
   }

   return ($ws, $hs);
}

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

   my $y = 0;
   for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
      my $x = 0;

      for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {

         my $c = $self->{children}->[$yi]->[$xi];
         if ($c) {
            $c->move ($x, $y, 0); #TODO: Move to size_request
            $c->draw if $c;
         }

         $x += $self->max_col_width ($xi);
      }

      $y += $self->max_row_height ($yi);
   }
}

package Crossfire::Client::Widget::VBox;

our @ISA = Crossfire::Client::Widget::Container::;

use SDL::OpenGL;

sub size_allocate {
   my ($self, $w, $h) = @_;

   $self->w ($w);
   $self->h ($h);

   my $exp;
   my @oth;
   # find expand widget
   for (@{$self->{children}}) {
      if ($_->{expand}) {
         $exp = $_;
         last;
      }
      push @oth, $_;
   }

   my ($ow, $oh);

   # get sizes of other widgets
   for (@oth) {
      my ($w, $h) = $_->size_request;
      $oh += $h;
      if ($ow < $w) { $ow = $w }
   }

   my $y = 0;
   for (@{$self->{children}}) {
      $_->move (0, $y);

      if ($_ == $exp) {
         $_->size_allocate ($w, $h - $oh);
         $y += $h - $oh;
      } else {
         my ($cw, $h) = $_->size_request;
         $_->size_allocate ($w, $h);
         $y += $h;
      }
   }
}

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

   my ($x, $y);
   for (@{$self->{children} || []}) {
      $_->draw;
      $y += $_->h;
   }
}

package Crossfire::Client::Widget::Label;

our @ISA = Crossfire::Client::Widget::;

use SDL::OpenGL;

sub new {
   my ($class, $x, $y, $z, $height, $text) = @_;

   # TODO: color, and make height, xyz etc. optional
   my $self = $class->SUPER::new (x => $x, y => $y, z => $z, height => $height);

   $self->set_text ($text);

   $self
}

sub set_text {
   my ($self, $text) = @_;

   $self->{text} = $text;
   $self->{texture} = new_from_text Crossfire::Client::Texture $text, $self->{height};

   $self->update;
}

sub get_text {
   my ($self, $text) = @_;

   $self->{text}
}

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

   (
      $self->{texture}{width},
      $self->{texture}{height},
   )
}

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

   my $tex = $self->{texture};

   glEnable GL_BLEND;
   glEnable GL_TEXTURE_2D;
   glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
   glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
   glBindTexture GL_TEXTURE_2D, $tex->{name};

   glColor 1, 0, 0, 1; # TODO color

   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex 0            , 0;
   glTexCoord 0, 1; glVertex 0            , $tex->{height};
   glTexCoord 1, 1; glVertex $tex->{width}, $tex->{height};
   glTexCoord 1, 0; glVertex $tex->{width}, 0;
   glEnd;

   glDisable GL_BLEND;
   glDisable GL_TEXTURE_2D;
}

package Crossfire::Client::Widget::TextEntry;

our @ISA = Crossfire::Client::Widget::Label::;

use SDL;
use SDL::OpenGL;

sub key_down {
   my ($self, $ev) = @_;

   my $mod = $ev->key_mod;
   my $sym = $ev->key_sym;

   $ev->set_unicode (1);
   my $uni = $ev->key_unicode;

   my $text = $self->get_text;

   if ($sym == SDLK_BACKSPACE) {
      substr $text, -1, 1, '';

   } elsif ($uni) {
      $text .= chr $uni;
   }
   $self->set_text ($text);
}

package Crossfire::Client::Widget::MapWidget;

use strict;

use List::Util qw(min max);

use SDL;
use SDL::OpenGL;
use SDL::OpenGL::Constants;

our @ISA = Crossfire::Client::Widget::;

sub key_down {
   print "MAPKEYDOWN\n";
}

sub key_up {
}

sub size_request {

}

sub size_allocate {
}

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

   my $mx = $::CONN->{mapx};
   my $my = $::CONN->{mapy};

   my $map = $::CONN->{map};

   my ($xofs, $yofs);

   my $sw = 1 + int $::WIDTH  / 32;
   my $sh = 1 + int $::HEIGHT / 32;

   if ($::CONN->{mapw} > $sw) {
      $xofs = $mx + ($::CONN->{mapw} - $sw) * 0.5;
   } else {
      $xofs = $self->{xofs} = min $mx, max $mx + $::CONN->{mapw} - $sw + 1, $self->{xofs};
   }

   if ($::CONN->{maph} > $sh) {
      $yofs = $my + ($::CONN->{maph} - $sh) * 0.5;
   } else {
      $yofs = $self->{yofs} = min $my, max $my + $::CONN->{maph} - $sh + 1, $self->{yofs};
   }

   glEnable GL_TEXTURE_2D;
   glEnable GL_BLEND;
   glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;

   my $sw4 = ($sw + 3) & ~3;
   my $lighting = "\x00" x ($sw4 * $sh);

   for my $x (0 .. $sw - 1) {
      for my $y (0 .. $sh - 1) {

         my $cell = $map->[$x + $xofs][$y + $yofs]
            or next;

         my $darkness = $cell->[0] * (1 / 255);
         if ($darkness < 0) {
            $darkness = 0.15;
         }
         substr $lighting, $y * $sw4 + $x, 1, chr 255 - $darkness * 255;

         for my $num (grep $_, @$cell[1,2,3]) {
            my $tex = $::CONN->{face}[$num]{texture} || next;

            glBindTexture GL_TEXTURE_2D, $tex->{name};

            my $w = $tex->{width};
            my $h = $tex->{height};

            my $px = ($x + 1) * 32 - $w;
            my $py = ($y + 1) * 32 - $h;

            glBegin GL_QUADS;
            glTexCoord 0, 0; glVertex $px     , $py;
            glTexCoord 0, 1; glVertex $px     , $py + $h;
            glTexCoord 1, 1; glVertex $px + $w, $py + $h;
            glTexCoord 1, 0; glVertex $px + $w, $py;
            glEnd;
         }
      }
   }

#   if (1) { # higher quality darkness
#      $lighting =~ s/(.)/$1$1$1/gs;
#      my $pb = new_from_data Gtk2::Gdk::Pixbuf $lighting, "rgb", 0, 8, $sw4, $sh, $sw4 * 3;
#
#      $pb = $pb->scale_simple ($sw4 * 0.5, $sh * 0.5, "bilinear");
#
#      $lighting = $pb->get_pixels;
#      $lighting =~ s/(.)../$1/gs;
#   }

   $lighting = new Crossfire::Client::Texture
      width          => $sw4,
      height         => $sh,
      data           => $lighting,
      internalformat => GL_ALPHA4,
      format         => GL_ALPHA;

   glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
   glColor 0, 0, 0, 0.75;
   glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
   glBindTexture GL_TEXTURE_2D, $lighting->{name};
   glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
   glBegin GL_QUADS;
   glTexCoord 0, 0; glVertex 0        , 0;
   glTexCoord 0, 1; glVertex 0        , $sh * 32;
   glTexCoord 1, 1; glVertex $sw4 * 32, $sh * 32;
   glTexCoord 1, 0; glVertex $sw4 * 32, 0;
   glEnd;

   glDisable GL_TEXTURE_2D;
   glDisable GL_BLEND;
}

my %DIR = (
   SDLK_KP8, [1, "north"],
   SDLK_KP9, [2, "northeast"],
   SDLK_KP6, [3, "east"],
   SDLK_KP3, [4, "southeast"],
   SDLK_KP2, [5, "south"],
   SDLK_KP1, [6, "southwest"],
   SDLK_KP4, [7, "west"],
   SDLK_KP7, [8, "northwest"],

   SDLK_UP,    [1, "north"],
   SDLK_RIGHT, [3, "east"],
   SDLK_DOWN,  [5, "south"],
   SDLK_LEFT,  [7, "west"],
);

sub key_down {
   my ($self, $ev) = @_;

   my $mod = $ev->key_mod;
   my $sym = $ev->key_sym;

   if ($sym == SDLK_KP5) {
      $::CONN->send ("command stay fire");
   } elsif (exists $DIR{$sym}) {
      if ($mod & KMOD_SHIFT) {
         $self->{shft}++;
         $::CONN->send ("command fire $DIR{$sym}[0]");
      } elsif ($mod & KMOD_CTRL) {
         $self->{ctrl}++;
         $::CONN->send ("command run $DIR{$sym}[0]");
      } else {
         $::CONN->send ("command $DIR{$sym}[1]");
      }
   }
}

sub key_up {
   my ($self, $ev) = @_;

   my $mod = $ev->key_mod;
   my $sym = $ev->key_sym;

   if (!($mod & KMOD_SHIFT) && delete $self->{shft}) {
      $::CONN->send ("command fire_stop");
   }
   if (!($mod & KMOD_CTRL ) && delete $self->{ctrl}) {
      $::CONN->send ("command run_stop");
   }
}

package Crossfire::Client::Widget::Animator;

use SDL::OpenGL;

our @ISA = Crossfire::Client::Widget::Bin::;

sub moveto {
   my ($self, $x, $y) = @_;

   $self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
   $self->{speed}  = 0.2;
   $self->{time}   = 1;
   
   ::animation_start $self;
}

sub animate {
   my ($self, $interval) = @_;

   $self->{time} -= $interval * $self->{speed};
   if ($self->{time} <= 0) {
      $self->{time} = 0;
      ::animation_stop $self;
   }

   my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
      
   $self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
   $self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
}

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

   glPushMatrix;
   glRotate $self->{time} * 10000, 0, 1, 0;
   $self->{children}[0]->draw;
   glPopMatrix;
}

1;

Revision:	1.38
Committed:	Sun Apr 9 21:34:49 2006 UTC (18 years, 2 months ago) by root
Branch:	MAIN
Changes since 1.37:	+96 -78 lines
Log Message:	* empty log message *
#	Content
1	package Crossfire::Client::Widget;
2
3	use strict;
4
5	use Scalar::Util;
6
7	use SDL::OpenGL;
8	use SDL::OpenGL::Constants;
9
10	our $FOCUS; # the widget with current focus
11
12	# class methods for events
13	sub feed_sdl_key_down_event { $FOCUS->key_down ($_[0]) if $FOCUS }
14	sub feed_sdl_key_up_event { $FOCUS->key_up ($_[0]) if $FOCUS }
15	sub feed_sdl_button_down_event { }
16	sub feed_sdl_button_up_event { }
17
18	sub new {
19	my $class = shift;
20
21	bless { @_ }, $class
22	}
23
24	sub move {
25	my ($self, $x, $y, $z) = @_;
26	$self->{x} = $x;
27	$self->{y} = $y;
28	$self->{z} = $z if defined $z;
29	}
30
31	sub needs_redraw {
32	0
33	}
34
35	sub size_request {
36	require Carp;
37	Carp::confess "size_request is abtract";
38	}
39
40	sub size_allocate {
41	my ($self, $w, $h) = @_;
42	$self->w ($w);
43	$self->h ($h);
44	}
45
46	sub focus_in {
47	my ($widget) = @_;
48	$FOCUS = $widget;
49	}
50
51	sub focus_out {
52	my ($widget) = @_;
53	}
54
55	sub key_down {
56	my ($widget, $sdlev) = @_;
57	}
58
59	sub key_up {
60	my ($widget, $sdlev) = @_;
61	}
62
63	sub button_down {
64	my ($widget, $sdlev) = @_;
65	}
66
67	sub button_up {
68	my ($widget, $sdlev) = @_;
69	}
70
71	sub w { $_[0]->{w} = $_[1] if $_[1]; $_[0]->{w} }
72	sub h { $_[0]->{h} = $_[1] if $_[1]; $_[0]->{h} }
73	sub x { $_[0]->{x} = $_[1] if $_[1]; $_[0]->{x} }
74	sub y { $_[0]->{y} = $_[1] if $_[1]; $_[0]->{y} }
75	sub z { $_[0]->{z} = $_[1] if $_[1]; $_[0]->{z} }
76
77	sub draw {
78	my ($self) = @_;
79
80	glPushMatrix;
81	glTranslate $self->{x}, $self->{y}, 0;
82	$self->_draw;
83	glPopMatrix;
84	}
85
86	sub _draw {
87	my ($self) = @_;
88
89	warn "no draw defined for $self\n";
90	}
91
92	sub bbox {
93	my ($self) = @_;
94	my ($w, $h) = $self->size_request;
95	(
96	$self->{x},
97	$self->{y},
98	$self->{x} = $w,
99	$self->{y} = $h
100	)
101	}
102
103	sub find_widget {
104	my ($self, $x, $y) = @_;
105
106	return $self
107	if $x >= $self->{x} && $x < $self->{x} + $self->{w}
108	&& $y >= $self->{y} && $y < $self->{y} + $self->{h};
109
110	()
111	}
112
113	sub del_parent { $_[0]->{parent} = undef }
114
115	sub set_parent {
116	my ($self, $par) = @_;
117
118	$self->{parent} = $par;
119	Scalar::Util::weaken $self->{parent};
120	}
121
122	sub get_parent {
123	$_[0]->{parent}
124	}
125
126	sub update {
127	my ($self) = @_;
128
129	$self->{parent}->update
130	if $self->{parent};
131	}
132
133	sub DESTROY {
134	my ($self) = @_;
135
136	#$self->deactivate;
137	}
138
139	package Crossfire::Client::Widget::Container;
140
141	our @ISA = Crossfire::Client::Widget::;
142
143	sub new {
144	my ($class, @widgets) = @_;
145
146	my $self = $class->SUPER::new (children => []);
147	$self->add ($_) for @widgets;
148
149	$self
150	}
151
152	sub add {
153	my ($self, $chld, $expand) = @_;
154
155	$chld->{expand} = $expand;
156	$chld->set_parent ($self);
157
158	@{$self->{children}} =
159	sort { $a->{z} <=> $b->{z} }
160	@{$self->{children}}, $chld;
161
162	$self->size_allocate ($self->{w}, $self->{h});
163	}
164
165	sub remove {
166	my ($self, $widget) = @_;
167
168	$self->{children} = [ grep $_ != $widget, @{ $self->{children} } ];
169
170	$self->size_allocate ($self->{w}, $self->{h});
171	}
172
173	sub find_widget {
174	my ($self, $x, $y) = @_;
175
176	my $res;
177
178	for (@{ $self->{children} }) {
179	$res = $_->find_widget ($x, $y)
180	and return $res;
181	}
182
183	()
184	}
185
186	sub size_request {
187	my ($self) = @_;
188
189	my ($hs, $ws) = (0, 0);
190	for (@{$self->{children} \|\| []}) {
191	my ($w, $h) = $_->size_request;
192	$hs += $h;
193	if ($ws < $w) { $ws = $w }
194	}
195
196	return ($ws, $hs);
197	}
198
199	sub _draw {
200	my ($self) = @_;
201
202	$_->draw for @{$self->{children}};
203	}
204
205	package Crossfire::Client::Widget::Bin;
206
207	our @ISA = Crossfire::Client::Widget::Container::;
208
209	sub get { $_[0]->{children}[0] }
210
211	sub size_request {
212	$_[0]{children}[0]->size_request if $_[0]{children}[0];
213	}
214
215	sub size_allocate {
216	my ($self, $w, $h) = @_;
217	$self->SUPER::size_allocate ($w, $h);
218	$self->{children}[0]->size_allocate ($w, $h)
219	if $self->{children}[0]
220	}
221
222	package Crossfire::Client::Widget::Toplevel;
223
224	our @ISA = Crossfire::Client::Widget::Container::;
225
226	sub update {
227	my ($self) = @_;
228
229	::refresh ();
230	}
231
232	package Crossfire::Client::Widget::Window;
233
234	our @ISA = Crossfire::Client::Widget::Bin::;
235
236	use SDL::OpenGL;
237
238	sub add {
239	my ($self, $chld) = @_;
240	warn "ADD $chld\n";
241	$self->SUPER::add ($chld);
242	$chld->set_parent ($self);
243	}
244
245	sub remove {
246	my ($self) = @_;
247	# TODO FIXME: removing a child from a window will crash, see render_chld
248	# $self->update;
249	}
250
251	sub update {
252	my ($self) = @_;
253	$self->render_chld;
254	}
255
256	sub render_chld {
257	my ($self) = @_;
258	my $chld = $self->get;
259	my ($w, $h) = $self->size_request;
260
261	require Carp;
262	Carp::cluck "RENDERCHI $w $h";
263	warn "RENDERCHI $w $h\n";
264	$self->{texture} =
265	Crossfire::Client::Texture->new_from_opengl (
266	$w, $h, sub { $chld->draw }
267	);
268	$self->{texture}->upload;
269	}
270
271	sub size_request {
272	my ($self) = @_;
273	($self->w, $self->h)
274	}
275
276	sub size_allocate {
277	my ($self, $w, $h) = @_;
278
279	$self->w ($w);
280	$self->h ($h);
281	$self->get->size_allocate ($w, $h);
282
283	$self->update; #TODO: Move this to the size_request event propably?
284	}
285
286	sub _draw {
287	my ($self) = @_;
288
289	my ($w, $h) = ($self->w, $self->h);
290
291	my $tex = $self->{texture}
292	or return;
293
294	glEnable GL_BLEND;
295	glEnable GL_TEXTURE_2D;
296	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
297	glBindTexture GL_TEXTURE_2D, $tex->{name};
298
299	glBegin GL_QUADS;
300	glTexCoord 0, 0; glVertex 0, 0;
301	glTexCoord 0, 1; glVertex 0, $h;
302	glTexCoord 1, 1; glVertex $w, $h;
303	glTexCoord 1, 0; glVertex $w, 0;
304	glEnd;
305
306	glDisable GL_BLEND;
307	glDisable GL_TEXTURE_2D;
308	}
309
310	package Crossfire::Client::Widget::Frame;
311
312	our @ISA = Crossfire::Client::Widget::Bin::;
313
314	use SDL::OpenGL;
315
316	sub size_request {
317	my ($self) = @_;
318	my $chld = $self->get
319	or return (0, 0);
320
321	$chld->move (2, 2);
322
323	map { $_ + 4 } $chld->size_request;
324	}
325
326	sub size_allocate {
327	my ($self, $w, $h) = @_;
328
329	$self->w ($w);
330	$self->h ($h);
331
332	$self->get->size_allocate ($w - 4, $h - 4);
333	$self->get->move (2, 2);
334	}
335
336	sub _draw {
337	my ($self) = @_;
338
339	my $chld = $self->get;
340
341	my ($w, $h) = $chld->size_request;
342
343	glBegin GL_QUADS;
344	glColor 0, 0, 0;
345	glTexCoord 0, 0; glVertex 0 , 0;
346	glTexCoord 0, 1; glVertex 0 , $h + 4;
347	glTexCoord 1, 1; glVertex $w + 4 , $h + 4;
348	glTexCoord 1, 0; glVertex $w + 4 , 0;
349	glEnd;
350
351	$chld->draw;
352	}
353
354	package Crossfire::Client::Widget::FancyFrame;
355
356	our @ISA = Crossfire::Client::Widget::Frame::;
357
358	use SDL::OpenGL;
359
360	sub new {
361	my ($self, $theme) = @_;
362	$self = $self->SUPER::new;
363
364	$self->{txts} = [
365	map { new_from_file Crossfire::Client::Texture Crossfire::Client::find_rcfile $_ }
366	qw/d1_bg.png d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png/
367	];
368	$self
369	}
370
371	sub size_request {
372	my ($self) = @_;
373	my ($w, $h) = $self->get->size_request;
374
375	$h += $self->{txts}->[1]->{height};
376	$h += $self->{txts}->[4]->{height};
377	$w += $self->{txts}->[2]->{width};
378	$w += $self->{txts}->[3]->{width};
379
380	($w, $h)
381	}
382
383	sub size_allocate {
384	my ($self, $w, $h) = @_;
385
386	$self->w ($w);
387	$self->h ($h);
388	$h -= $self->{txts}->[1]->{height};
389	$h -= $self->{txts}->[4]->{height};
390	$w -= $self->{txts}->[2]->{width};
391	$w -= $self->{txts}->[3]->{width};
392
393	$h = $h < 0 ? 0 : $h;
394	$w = $w < 0 ? 0 : $w;
395	warn "CHILD:$w $h\n";
396	$self->get->size_allocate ($w, $h);
397	$self->get->move ($self->{txts}->[3]->{width}, $self->{txts}->[1]->{height});
398	}
399
400	sub _draw {
401	my ($self) = @_;
402
403	my ($w, $h) = ($self->w, $self->h);
404	my ($cw, $ch) = ($self->get->w, $self->get->h);
405
406	glEnable GL_BLEND;
407	glEnable GL_TEXTURE_2D;
408	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
409	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
410
411	my $top = $self->{txts}->[1];
412	glBindTexture GL_TEXTURE_2D, $top->{name};
413
414	glBegin GL_QUADS;
415	glTexCoord 0, 0; glVertex 0 , 0;
416	glTexCoord 0, 1; glVertex 0 , $top->{height};
417	glTexCoord 1, 1; glVertex $w , $top->{height};
418	glTexCoord 1, 0; glVertex $w , 0;
419	glEnd;
420
421	my $left = $self->{txts}->[3];
422	glBindTexture GL_TEXTURE_2D, $left->{name};
423
424	glBegin GL_QUADS;
425	glTexCoord 0, 0; glVertex 0 , $top->{height};
426	glTexCoord 0, 1; glVertex 0 , $top->{height} + $ch;
427	glTexCoord 1, 1; glVertex $left->{width}, $top->{height} + $ch;
428	glTexCoord 1, 0; glVertex $left->{width}, $top->{height};
429	glEnd;
430
431	my $right = $self->{txts}->[2];
432	glBindTexture GL_TEXTURE_2D, $right->{name};
433
434	glBegin GL_QUADS;
435	glTexCoord 0, 0; glVertex $w - $right->{width}, $top->{height};
436	glTexCoord 0, 1; glVertex $w - $right->{width}, $top->{height} + $ch;
437	glTexCoord 1, 1; glVertex $w , $top->{height} + $ch;
438	glTexCoord 1, 0; glVertex $w , $top->{height};
439	glEnd;
440
441	my $bottom = $self->{txts}->[4];
442	glBindTexture GL_TEXTURE_2D, $bottom->{name};
443
444	glBegin GL_QUADS;
445	glTexCoord 0, 0; glVertex 0 , $h - $bottom->{height};
446	glTexCoord 0, 1; glVertex 0 , $h;
447	glTexCoord 1, 1; glVertex $w , $h;
448	glTexCoord 1, 0; glVertex $w , $h - $bottom->{height};
449	glEnd;
450
451	my $bg = $self->{txts}->[0];
452	glBindTexture GL_TEXTURE_2D, $bg->{name};
453	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
454	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT;
455	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT;
456
457	my $rep_x = $cw / $bg->{width};
458	my $rep_y = $ch / $bg->{height};
459
460	glBegin GL_QUADS;
461	glTexCoord 0, 0; glVertex $left->{width}, $top->{height};
462	glTexCoord 0, $rep_y; glVertex $left->{width}, $top->{height} + $ch;
463	glTexCoord $rep_x, $rep_y; glVertex $left->{width} + $cw , $top->{height} + $ch;
464	glTexCoord $rep_x, 0; glVertex $left->{width} + $cw , $top->{height};
465	glEnd;
466
467	glDisable GL_BLEND;
468	glDisable GL_TEXTURE_2D;
469
470	$self->get->draw;
471
472	}
473
474	package Crossfire::Client::Widget::Table;
475
476	our @ISA = Crossfire::Client::Widget::Bin::;
477
478	use SDL::OpenGL;
479
480	sub add {
481	my ($self, $x, $y, $chld) = @_;
482	my $old_chld = $self->{children}[$y][$x];
483
484	$self->{children}[$y][$x] = $chld;
485	$chld->set_parent ($self);
486	$self->update;
487	}
488
489	sub max_row_height {
490	my ($self, $row) = @_;
491
492	my $hs = 0;
493	for (my $xi = 0; $xi <= $#{$self->{children}->[$row] \|\| []}; $xi++) {
494	my $c = $self->{children}->[$row]->[$xi];
495	if ($c) {
496	my ($w, $h) = $c->size_request;
497	if ($hs < $h) { $hs = $h }
498	}
499	}
500	return $hs;
501	}
502
503	sub max_col_width {
504	my ($self, $col) = @_;
505
506	my $ws = 0;
507	for (my $yi = 0; $yi <= $#{$self->{children} \|\| []}; $yi++) {
508	my $c = ($self->{children}->[$yi] \|\| [])->[$col];
509	if ($c) {
510	my ($w, $h) = $c->size_request;
511	if ($ws < $w) { $ws = $w }
512	}
513	}
514	return $ws;
515	}
516
517	sub size_request {
518	my ($self) = @_;
519
520	my ($hs, $ws) = (0, 0);
521
522	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
523	$hs += $self->max_row_height ($yi);
524	}
525
526	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
527	my $wm = 0;
528	for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {
529	$wm += $self->max_col_width ($xi)
530	}
531	if ($ws < $wm) { $ws = $wm }
532	}
533
534	return ($ws, $hs);
535	}
536
537	sub _draw {
538	my ($self) = @_;
539
540	my $y = 0;
541	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
542	my $x = 0;
543
544	for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {
545
546	my $c = $self->{children}->[$yi]->[$xi];
547	if ($c) {
548	$c->move ($x, $y, 0); #TODO: Move to size_request
549	$c->draw if $c;
550	}
551
552	$x += $self->max_col_width ($xi);
553	}
554
555	$y += $self->max_row_height ($yi);
556	}
557	}
558
559	package Crossfire::Client::Widget::VBox;
560
561	our @ISA = Crossfire::Client::Widget::Container::;
562
563	use SDL::OpenGL;
564
565	sub size_allocate {
566	my ($self, $w, $h) = @_;
567
568	$self->w ($w);
569	$self->h ($h);
570
571	my $exp;
572	my @oth;
573	# find expand widget
574	for (@{$self->{children}}) {
575	if ($_->{expand}) {
576	$exp = $_;
577	last;
578	}
579	push @oth, $_;
580	}
581
582	my ($ow, $oh);
583
584	# get sizes of other widgets
585	for (@oth) {
586	my ($w, $h) = $_->size_request;
587	$oh += $h;
588	if ($ow < $w) { $ow = $w }
589	}
590
591	my $y = 0;
592	for (@{$self->{children}}) {
593	$_->move (0, $y);
594
595	if ($_ == $exp) {
596	$_->size_allocate ($w, $h - $oh);
597	$y += $h - $oh;
598	} else {
599	my ($cw, $h) = $_->size_request;
600	$_->size_allocate ($w, $h);
601	$y += $h;
602	}
603	}
604	}
605
606	sub _draw {
607	my ($self) = @_;
608
609	my ($x, $y);
610	for (@{$self->{children} \|\| []}) {
611	$_->draw;
612	$y += $_->h;
613	}
614	}
615
616	package Crossfire::Client::Widget::Label;
617
618	our @ISA = Crossfire::Client::Widget::;
619
620	use SDL::OpenGL;
621
622	sub new {
623	my ($class, $x, $y, $z, $height, $text) = @_;
624
625	# TODO: color, and make height, xyz etc. optional
626	my $self = $class->SUPER::new (x => $x, y => $y, z => $z, height => $height);
627
628	$self->set_text ($text);
629
630	$self
631	}
632
633	sub set_text {
634	my ($self, $text) = @_;
635
636	$self->{text} = $text;
637	$self->{texture} = new_from_text Crossfire::Client::Texture $text, $self->{height};
638
639	$self->update;
640	}
641
642	sub get_text {
643	my ($self, $text) = @_;
644
645	$self->{text}
646	}
647
648	sub size_request {
649	my ($self) = @_;
650
651	(
652	$self->{texture}{width},
653	$self->{texture}{height},
654	)
655	}
656
657	sub _draw {
658	my ($self) = @_;
659
660	my $tex = $self->{texture};
661
662	glEnable GL_BLEND;
663	glEnable GL_TEXTURE_2D;
664	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
665	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
666	glBindTexture GL_TEXTURE_2D, $tex->{name};
667
668	glColor 1, 0, 0, 1; # TODO color
669
670	glBegin GL_QUADS;
671	glTexCoord 0, 0; glVertex 0 , 0;
672	glTexCoord 0, 1; glVertex 0 , $tex->{height};
673	glTexCoord 1, 1; glVertex $tex->{width}, $tex->{height};
674	glTexCoord 1, 0; glVertex $tex->{width}, 0;
675	glEnd;
676
677	glDisable GL_BLEND;
678	glDisable GL_TEXTURE_2D;
679	}
680
681	package Crossfire::Client::Widget::TextEntry;
682
683	our @ISA = Crossfire::Client::Widget::Label::;
684
685	use SDL;
686	use SDL::OpenGL;
687
688	sub key_down {
689	my ($self, $ev) = @_;
690
691	my $mod = $ev->key_mod;
692	my $sym = $ev->key_sym;
693
694	$ev->set_unicode (1);
695	my $uni = $ev->key_unicode;
696
697	my $text = $self->get_text;
698
699	if ($sym == SDLK_BACKSPACE) {
700	substr $text, -1, 1, '';
701
702	} elsif ($uni) {
703	$text .= chr $uni;
704	}
705	$self->set_text ($text);
706	}
707
708	package Crossfire::Client::Widget::MapWidget;
709
710	use strict;
711
712	use List::Util qw(min max);
713
714	use SDL;
715	use SDL::OpenGL;
716	use SDL::OpenGL::Constants;
717
718	our @ISA = Crossfire::Client::Widget::;
719
720	sub key_down {
721	print "MAPKEYDOWN\n";
722	}
723
724	sub key_up {
725	}
726
727	sub size_request {
728
729	}
730
731	sub size_allocate {
732	}
733
734	sub _draw {
735	my ($self) = @_;
736
737	my $mx = $::CONN->{mapx};
738	my $my = $::CONN->{mapy};
739
740	my $map = $::CONN->{map};
741
742	my ($xofs, $yofs);
743
744	my $sw = 1 + int $::WIDTH / 32;
745	my $sh = 1 + int $::HEIGHT / 32;
746
747	if ($::CONN->{mapw} > $sw) {
748	$xofs = $mx + ($::CONN->{mapw} - $sw) * 0.5;
749	} else {
750	$xofs = $self->{xofs} = min $mx, max $mx + $::CONN->{mapw} - $sw + 1, $self->{xofs};
751	}
752
753	if ($::CONN->{maph} > $sh) {
754	$yofs = $my + ($::CONN->{maph} - $sh) * 0.5;
755	} else {
756	$yofs = $self->{yofs} = min $my, max $my + $::CONN->{maph} - $sh + 1, $self->{yofs};
757	}
758
759	glEnable GL_TEXTURE_2D;
760	glEnable GL_BLEND;
761	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
762
763	my $sw4 = ($sw + 3) & ~3;
764	my $lighting = "\x00" x ($sw4 * $sh);
765
766	for my $x (0 .. $sw - 1) {
767	for my $y (0 .. $sh - 1) {
768
769	my $cell = $map->[$x + $xofs][$y + $yofs]
770	or next;
771
772	my $darkness = $cell->[0] * (1 / 255);
773	if ($darkness < 0) {
774	$darkness = 0.15;
775	}
776	substr $lighting, $y * $sw4 + $x, 1, chr 255 - $darkness * 255;
777
778	for my $num (grep $_, @$cell[1,2,3]) {
779	my $tex = $::CONN->{face}[$num]{texture} \|\| next;
780
781	glBindTexture GL_TEXTURE_2D, $tex->{name};
782
783	my $w = $tex->{width};
784	my $h = $tex->{height};
785
786	my $px = ($x + 1) * 32 - $w;
787	my $py = ($y + 1) * 32 - $h;
788
789	glBegin GL_QUADS;
790	glTexCoord 0, 0; glVertex $px , $py;
791	glTexCoord 0, 1; glVertex $px , $py + $h;
792	glTexCoord 1, 1; glVertex $px + $w, $py + $h;
793	glTexCoord 1, 0; glVertex $px + $w, $py;
794	glEnd;
795	}
796	}
797	}
798
799	# if (1) { # higher quality darkness
800	# $lighting =~ s/(.)/$1$1$1/gs;
801	# my $pb = new_from_data Gtk2::Gdk::Pixbuf $lighting, "rgb", 0, 8, $sw4, $sh, $sw4 * 3;
802	#
803	# $pb = $pb->scale_simple ($sw4 * 0.5, $sh * 0.5, "bilinear");
804	#
805	# $lighting = $pb->get_pixels;
806	# $lighting =~ s/(.)../$1/gs;
807	# }
808
809	$lighting = new Crossfire::Client::Texture
810	width => $sw4,
811	height => $sh,
812	data => $lighting,
813	internalformat => GL_ALPHA4,
814	format => GL_ALPHA;
815
816	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
817	glColor 0, 0, 0, 0.75;
818	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
819	glBindTexture GL_TEXTURE_2D, $lighting->{name};
820	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
821	glBegin GL_QUADS;
822	glTexCoord 0, 0; glVertex 0 , 0;
823	glTexCoord 0, 1; glVertex 0 , $sh * 32;
824	glTexCoord 1, 1; glVertex $sw4 * 32, $sh * 32;
825	glTexCoord 1, 0; glVertex $sw4 * 32, 0;
826	glEnd;
827
828	glDisable GL_TEXTURE_2D;
829	glDisable GL_BLEND;
830	}
831
832	my %DIR = (
833	SDLK_KP8, [1, "north"],
834	SDLK_KP9, [2, "northeast"],
835	SDLK_KP6, [3, "east"],
836	SDLK_KP3, [4, "southeast"],
837	SDLK_KP2, [5, "south"],
838	SDLK_KP1, [6, "southwest"],
839	SDLK_KP4, [7, "west"],
840	SDLK_KP7, [8, "northwest"],
841
842	SDLK_UP, [1, "north"],
843	SDLK_RIGHT, [3, "east"],
844	SDLK_DOWN, [5, "south"],
845	SDLK_LEFT, [7, "west"],
846	);
847
848	sub key_down {
849	my ($self, $ev) = @_;
850
851	my $mod = $ev->key_mod;
852	my $sym = $ev->key_sym;
853
854	if ($sym == SDLK_KP5) {
855	$::CONN->send ("command stay fire");
856	} elsif (exists $DIR{$sym}) {
857	if ($mod & KMOD_SHIFT) {
858	$self->{shft}++;
859	$::CONN->send ("command fire $DIR{$sym}[0]");
860	} elsif ($mod & KMOD_CTRL) {
861	$self->{ctrl}++;
862	$::CONN->send ("command run $DIR{$sym}[0]");
863	} else {
864	$::CONN->send ("command $DIR{$sym}[1]");
865	}
866	}
867	}
868
869	sub key_up {
870	my ($self, $ev) = @_;
871
872	my $mod = $ev->key_mod;
873	my $sym = $ev->key_sym;
874
875	if (!($mod & KMOD_SHIFT) && delete $self->{shft}) {
876	$::CONN->send ("command fire_stop");
877	}
878	if (!($mod & KMOD_CTRL ) && delete $self->{ctrl}) {
879	$::CONN->send ("command run_stop");
880	}
881	}
882
883	package Crossfire::Client::Widget::Animator;
884
885	use SDL::OpenGL;
886
887	our @ISA = Crossfire::Client::Widget::Bin::;
888
889	sub moveto {
890	my ($self, $x, $y) = @_;
891
892	$self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
893	$self->{speed} = 0.2;
894	$self->{time} = 1;
895
896	::animation_start $self;
897	}
898
899	sub animate {
900	my ($self, $interval) = @_;
901
902	$self->{time} -= $interval * $self->{speed};
903	if ($self->{time} <= 0) {
904	$self->{time} = 0;
905	::animation_stop $self;
906	}
907
908	my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
909
910	$self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
911	$self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
912	}
913
914	sub _draw {
915	my ($self) = @_;
916
917	glPushMatrix;
918	glRotate $self->{time} * 10000, 0, 1, 0;
919	$self->{children}[0]->draw;
920	glPopMatrix;
921	}
922
923	1;
924