Deliantra-Client/DC/UI.pm

package Crossfire::Client::Widget;

use strict;

use Scalar::Util;

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

use Crossfire::Client;

# 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;
   $self->_draw;
   if ($self == $::HOVER) {
      glColor 1, 1, 1, 0.4;
      glEnable GL_BLEND;
      glBegin GL_QUADS;
      glVertex 0, 0;
      glVertex $self->{w} - 1, 0;
      glVertex $self->{w} - 1, $self->{h} - 1;
      glVertex 0, $self->{h} - 1;
      glEnd;
      glDisable GL_BLEND;
   }
   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})
      if $self->{w}; #TODO: check for "realised state"
}

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) = @_;

   $x -= $self->{x};
   $y -= $self->{y};

   my $res;

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

   $self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
}

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

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

#############################################################################

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

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

sub child { $_[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 ();
}

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

   $self->SUPER::add ($widget);

   $widget->size_allocate ($widget->size_request);
}

#############################################################################

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

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

use SDL::OpenGL;

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

   my $self = $class->SUPER::new;

   @$self{qw(x y z w h)} = ($x, $y, $z, $w, $h);
}

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

   $self->render_chld;
   $self->SUPER::update;
}

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

   $self->{texture} =
      Crossfire::Client::Texture->new_from_opengl (
         $self->{w}, $self->{h}, sub { $self->child->draw }
      );
}

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

   $self->{w} = $w;
   $self->{h} = $h;

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

   $self->render_chld;
}

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->child
      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;

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

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

   my $chld = $self->child;

   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::Bin::;

use SDL::OpenGL;

my @tex = 
      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);

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

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

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

   ($w, $h)
}

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

   $self->SUPER::size_allocate ($w, $h);

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

   $h = $h < 0 ? 0 : $h;
   $w = $w < 0 ? 0 : $w;

   $self->child->size_allocate ($w, $h);
   $self->child->move ($tex[3]->{width}, $tex[1]->{height});
}

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

   my ($w, $h) = ($self->{w}, $self->{h});
   my ($cw, $ch) = ($self->child->{w}, $self->child->{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 = $tex[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 = $tex[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 = $tex[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 = $tex[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 = $tex[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->child->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_request {
   my ($self) = @_;

   my @alloc = map [$_->size_request], @{$self->{children}};

   (
      (List::Util::max map $_->[0], @alloc),
      (List::Util::sum map $_->[1], @alloc),
   )
}

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;
      }
   }
}

#############################################################################

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:	1.48
Committed:	Sun Apr 9 22:26:09 2006 UTC (18 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.47:	+4 -3 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	use Crossfire::Client;
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
43	$self->{w} = $w;
44	$self->{h} = $h;
45	}
46
47	sub focus_in {
48	my ($widget) = @_;
49	$::FOCUS = $widget;
50	}
51
52	sub focus_out {
53	my ($widget) = @_;
54	}
55
56	sub key_down {
57	my ($widget, $sdlev) = @_;
58	}
59
60	sub key_up {
61	my ($widget, $sdlev) = @_;
62	}
63
64	sub button_down {
65	my ($widget, $sdlev) = @_;
66	}
67
68	sub button_up {
69	my ($widget, $sdlev) = @_;
70	}
71
72	sub w { $_[0]->{w} = $_[1] if $_[1]; $_[0]->{w} }
73	sub h { $_[0]->{h} = $_[1] if $_[1]; $_[0]->{h} }
74	sub x { $_[0]->{x} = $_[1] if $_[1]; $_[0]->{x} }
75	sub y { $_[0]->{y} = $_[1] if $_[1]; $_[0]->{y} }
76	sub z { $_[0]->{z} = $_[1] if $_[1]; $_[0]->{z} }
77
78	sub draw {
79	my ($self) = @_;
80
81	glPushMatrix;
82	glTranslate $self->{x}, $self->{y}, 0;
83	$self->_draw;
84	if ($self == $::HOVER) {
85	glColor 1, 1, 1, 0.4;
86	glEnable GL_BLEND;
87	glBegin GL_QUADS;
88	glVertex 0, 0;
89	glVertex $self->{w} - 1, 0;
90	glVertex $self->{w} - 1, $self->{h} - 1;
91	glVertex 0, $self->{h} - 1;
92	glEnd;
93	glDisable GL_BLEND;
94	}
95	glPopMatrix;
96	}
97
98	sub _draw {
99	my ($self) = @_;
100
101	warn "no draw defined for $self\n";
102	}
103
104	sub bbox {
105	my ($self) = @_;
106	my ($w, $h) = $self->size_request;
107	(
108	$self->{x},
109	$self->{y},
110	$self->{x} = $w,
111	$self->{y} = $h
112	)
113	}
114
115	sub find_widget {
116	my ($self, $x, $y) = @_;
117
118	return $self
119	if $x >= $self->{x} && $x < $self->{x} + $self->{w}
120	&& $y >= $self->{y} && $y < $self->{y} + $self->{h};
121
122	()
123	}
124
125	sub del_parent { $_[0]->{parent} = undef }
126
127	sub set_parent {
128	my ($self, $par) = @_;
129
130	$self->{parent} = $par;
131	Scalar::Util::weaken $self->{parent};
132	}
133
134	sub get_parent {
135	$_[0]->{parent}
136	}
137
138	sub update {
139	my ($self) = @_;
140
141	$self->{parent}->update
142	if $self->{parent};
143	}
144
145	sub DESTROY {
146	my ($self) = @_;
147
148	#$self->deactivate;
149	}
150
151	#############################################################################
152
153	package Crossfire::Client::Widget::Container;
154
155	our @ISA = Crossfire::Client::Widget::;
156
157	sub new {
158	my ($class, @widgets) = @_;
159
160	my $self = $class->SUPER::new (children => []);
161	$self->add ($_) for @widgets;
162
163	$self
164	}
165
166	sub add {
167	my ($self, $chld, $expand) = @_;
168
169	$chld->{expand} = $expand;
170	$chld->set_parent ($self);
171
172	@{$self->{children}} =
173	sort { $a->{z} <=> $b->{z} }
174	@{$self->{children}}, $chld;
175
176	$self->size_allocate ($self->{w}, $self->{h})
177	if $self->{w}; #TODO: check for "realised state"
178	}
179
180	sub remove {
181	my ($self, $widget) = @_;
182
183	$self->{children} = [ grep $_ != $widget, @{ $self->{children} } ];
184
185	$self->size_allocate ($self->{w}, $self->{h});
186	}
187
188	sub find_widget {
189	my ($self, $x, $y) = @_;
190
191	$x -= $self->{x};
192	$y -= $self->{y};
193
194	my $res;
195
196	for (reverse @{ $self->{children} }) {
197	$res = $_->find_widget ($x, $y)
198	and return $res;
199	}
200
201	$self->SUPER::find_widget ($x + $self->{x}, $y + $self->{y})
202	}
203
204	sub _draw {
205	my ($self) = @_;
206
207	$_->draw for @{$self->{children}};
208	}
209
210	#############################################################################
211
212	package Crossfire::Client::Widget::Bin;
213
214	our @ISA = Crossfire::Client::Widget::Container::;
215
216	sub child { $_[0]->{children}[0] }
217
218	sub size_request {
219	$_[0]{children}[0]->size_request if $_[0]{children}[0];
220	}
221
222	sub size_allocate {
223	my ($self, $w, $h) = @_;
224
225	$self->SUPER::size_allocate ($w, $h);
226	$self->{children}[0]->size_allocate ($w, $h)
227	if $self->{children}[0]
228	}
229
230	#############################################################################
231
232	package Crossfire::Client::Widget::Toplevel;
233
234	our @ISA = Crossfire::Client::Widget::Container::;
235
236	sub update {
237	my ($self) = @_;
238
239	::refresh ();
240	}
241
242	sub add {
243	my ($self, $widget) = @_;
244
245	$self->SUPER::add ($widget);
246
247	$widget->size_allocate ($widget->size_request);
248	}
249
250	#############################################################################
251
252	package Crossfire::Client::Widget::Window;
253
254	our @ISA = Crossfire::Client::Widget::Bin::;
255
256	use SDL::OpenGL;
257
258	sub new {
259	my ($class, $x, $y, $z, $w, $h) = @_;
260
261	my $self = $class->SUPER::new;
262
263	@$self{qw(x y z w h)} = ($x, $y, $z, $w, $h);
264	}
265
266	sub update {
267	my ($self) = @_;
268
269	$self->render_chld;
270	$self->SUPER::update;
271	}
272
273	sub render_chld {
274	my ($self) = @_;
275
276	$self->{texture} =
277	Crossfire::Client::Texture->new_from_opengl (
278	$self->{w}, $self->{h}, sub { $self->child->draw }
279	);
280	}
281
282	sub size_allocate {
283	my ($self, $w, $h) = @_;
284
285	$self->{w} = $w;
286	$self->{h} = $h;
287
288	$self->child->size_allocate ($w, $h);
289
290	$self->render_chld;
291	}
292
293	sub _draw {
294	my ($self) = @_;
295
296	my ($w, $h) = ($self->w, $self->h);
297
298	my $tex = $self->{texture}
299	or return;
300
301	glEnable GL_BLEND;
302	glEnable GL_TEXTURE_2D;
303	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
304	glBindTexture GL_TEXTURE_2D, $tex->{name};
305
306	glBegin GL_QUADS;
307	glTexCoord 0, 0; glVertex 0, 0;
308	glTexCoord 0, 1; glVertex 0, $h;
309	glTexCoord 1, 1; glVertex $w, $h;
310	glTexCoord 1, 0; glVertex $w, 0;
311	glEnd;
312
313	glDisable GL_BLEND;
314	glDisable GL_TEXTURE_2D;
315	}
316
317	#############################################################################
318
319	package Crossfire::Client::Widget::Frame;
320
321	our @ISA = Crossfire::Client::Widget::Bin::;
322
323	use SDL::OpenGL;
324
325	sub size_request {
326	my ($self) = @_;
327	my $chld = $self->child
328	or return (0, 0);
329
330	$chld->move (2, 2);
331
332	map { $_ + 4 } $chld->size_request;
333	}
334
335	sub size_allocate {
336	my ($self, $w, $h) = @_;
337
338	$self->{w} = $w;
339	$self->{h} = $h;
340
341	$self->child->size_allocate ($w - 4, $h - 4);
342	$self->child->move (2, 2);
343	}
344
345	sub _draw {
346	my ($self) = @_;
347
348	my $chld = $self->child;
349
350	my ($w, $h) = $chld->size_request;
351
352	glBegin GL_QUADS;
353	glColor 0, 0, 0;
354	glTexCoord 0, 0; glVertex 0 , 0;
355	glTexCoord 0, 1; glVertex 0 , $h + 4;
356	glTexCoord 1, 1; glVertex $w + 4 , $h + 4;
357	glTexCoord 1, 0; glVertex $w + 4 , 0;
358	glEnd;
359
360	$chld->draw;
361	}
362
363	#############################################################################
364
365	package Crossfire::Client::Widget::FancyFrame;
366
367	our @ISA = Crossfire::Client::Widget::Bin::;
368
369	use SDL::OpenGL;
370
371	my @tex =
372	map { new_from_file Crossfire::Client::Texture Crossfire::Client::find_rcfile $_ }
373	qw(d1_bg.png d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
374
375	sub size_request {
376	my ($self) = @_;
377
378	my ($w, $h) = $self->SUPER::size_request;
379
380	$h += $tex[1]->{height};
381	$h += $tex[4]->{height};
382	$w += $tex[2]->{width};
383	$w += $tex[3]->{width};
384
385	($w, $h)
386	}
387
388	sub size_allocate {
389	my ($self, $w, $h) = @_;
390
391	$self->SUPER::size_allocate ($w, $h);
392
393	$h -= $tex[1]->{height};
394	$h -= $tex[4]->{height};
395	$w -= $tex[2]->{width};
396	$w -= $tex[3]->{width};
397
398	$h = $h < 0 ? 0 : $h;
399	$w = $w < 0 ? 0 : $w;
400
401	$self->child->size_allocate ($w, $h);
402	$self->child->move ($tex[3]->{width}, $tex[1]->{height});
403	}
404
405	sub _draw {
406	my ($self) = @_;
407
408	my ($w, $h) = ($self->{w}, $self->{h});
409	my ($cw, $ch) = ($self->child->{w}, $self->child->{h});
410
411	glEnable GL_BLEND;
412	glEnable GL_TEXTURE_2D;
413	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
414	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
415
416	my $top = $tex[1];
417	glBindTexture GL_TEXTURE_2D, $top->{name};
418
419	glBegin GL_QUADS;
420	glTexCoord 0, 0; glVertex 0 , 0;
421	glTexCoord 0, 1; glVertex 0 , $top->{height};
422	glTexCoord 1, 1; glVertex $w , $top->{height};
423	glTexCoord 1, 0; glVertex $w , 0;
424	glEnd;
425
426	my $left = $tex[3];
427	glBindTexture GL_TEXTURE_2D, $left->{name};
428
429	glBegin GL_QUADS;
430	glTexCoord 0, 0; glVertex 0 , $top->{height};
431	glTexCoord 0, 1; glVertex 0 , $top->{height} + $ch;
432	glTexCoord 1, 1; glVertex $left->{width}, $top->{height} + $ch;
433	glTexCoord 1, 0; glVertex $left->{width}, $top->{height};
434	glEnd;
435
436	my $right = $tex[2];
437	glBindTexture GL_TEXTURE_2D, $right->{name};
438
439	glBegin GL_QUADS;
440	glTexCoord 0, 0; glVertex $w - $right->{width}, $top->{height};
441	glTexCoord 0, 1; glVertex $w - $right->{width}, $top->{height} + $ch;
442	glTexCoord 1, 1; glVertex $w , $top->{height} + $ch;
443	glTexCoord 1, 0; glVertex $w , $top->{height};
444	glEnd;
445
446	my $bottom = $tex[4];
447	glBindTexture GL_TEXTURE_2D, $bottom->{name};
448
449	glBegin GL_QUADS;
450	glTexCoord 0, 0; glVertex 0 , $h - $bottom->{height};
451	glTexCoord 0, 1; glVertex 0 , $h;
452	glTexCoord 1, 1; glVertex $w , $h;
453	glTexCoord 1, 0; glVertex $w , $h - $bottom->{height};
454	glEnd;
455
456	my $bg = $tex[0];
457	glBindTexture GL_TEXTURE_2D, $bg->{name};
458	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
459	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT;
460	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT;
461
462	my $rep_x = $cw / $bg->{width};
463	my $rep_y = $ch / $bg->{height};
464
465	glBegin GL_QUADS;
466	glTexCoord 0, 0; glVertex $left->{width}, $top->{height};
467	glTexCoord 0, $rep_y; glVertex $left->{width}, $top->{height} + $ch;
468	glTexCoord $rep_x, $rep_y; glVertex $left->{width} + $cw , $top->{height} + $ch;
469	glTexCoord $rep_x, 0; glVertex $left->{width} + $cw , $top->{height};
470	glEnd;
471
472	glDisable GL_BLEND;
473	glDisable GL_TEXTURE_2D;
474
475	$self->child->draw;
476
477	}
478
479	#############################################################################
480
481	package Crossfire::Client::Widget::Table;
482
483	our @ISA = Crossfire::Client::Widget::Bin::;
484
485	use SDL::OpenGL;
486
487	sub add {
488	my ($self, $x, $y, $chld) = @_;
489	my $old_chld = $self->{children}[$y][$x];
490
491	$self->{children}[$y][$x] = $chld;
492	$chld->set_parent ($self);
493	$self->update;
494	}
495
496	sub max_row_height {
497	my ($self, $row) = @_;
498
499	my $hs = 0;
500	for (my $xi = 0; $xi <= $#{$self->{children}->[$row] \|\| []}; $xi++) {
501	my $c = $self->{children}->[$row]->[$xi];
502	if ($c) {
503	my ($w, $h) = $c->size_request;
504	if ($hs < $h) { $hs = $h }
505	}
506	}
507	return $hs;
508	}
509
510	sub max_col_width {
511	my ($self, $col) = @_;
512
513	my $ws = 0;
514	for (my $yi = 0; $yi <= $#{$self->{children} \|\| []}; $yi++) {
515	my $c = ($self->{children}->[$yi] \|\| [])->[$col];
516	if ($c) {
517	my ($w, $h) = $c->size_request;
518	if ($ws < $w) { $ws = $w }
519	}
520	}
521	return $ws;
522	}
523
524	sub size_request {
525	my ($self) = @_;
526
527	my ($hs, $ws) = (0, 0);
528
529	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
530	$hs += $self->max_row_height ($yi);
531	}
532
533	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
534	my $wm = 0;
535	for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {
536	$wm += $self->max_col_width ($xi)
537	}
538	if ($ws < $wm) { $ws = $wm }
539	}
540
541	return ($ws, $hs);
542	}
543
544	sub _draw {
545	my ($self) = @_;
546
547	my $y = 0;
548	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
549	my $x = 0;
550
551	for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {
552
553	my $c = $self->{children}->[$yi]->[$xi];
554	if ($c) {
555	$c->move ($x, $y, 0); #TODO: Move to size_request
556	$c->draw if $c;
557	}
558
559	$x += $self->max_col_width ($xi);
560	}
561
562	$y += $self->max_row_height ($yi);
563	}
564	}
565
566	#############################################################################
567
568	package Crossfire::Client::Widget::VBox;
569
570	our @ISA = Crossfire::Client::Widget::Container::;
571
572	use SDL::OpenGL;
573
574	sub size_request {
575	my ($self) = @_;
576
577	my @alloc = map [$_->size_request], @{$self->{children}};
578
579	(
580	(List::Util::max map $_->[0], @alloc),
581	(List::Util::sum map $_->[1], @alloc),
582	)
583	}
584
585	sub size_allocate {
586	my ($self, $w, $h) = @_;
587
588	$self->w ($w);
589	$self->h ($h);
590
591	my $exp;
592	my @oth;
593	# find expand widget
594	for (@{$self->{children}}) {
595	if ($_->{expand}) {
596	$exp = $_;
597	last;
598	}
599	push @oth, $_;
600	}
601
602	my ($ow, $oh);
603
604	# get sizes of other widgets
605	for (@oth) {
606	my ($w, $h) = $_->size_request;
607	$oh += $h;
608	if ($ow < $w) { $ow = $w }
609	}
610
611	my $y = 0;
612	for (@{$self->{children}}) {
613	$_->move (0, $y);
614
615	if ($_ == $exp) {
616	$_->size_allocate ($w, $h - $oh);
617	$y += $h - $oh;
618	} else {
619	my ($cw, $h) = $_->size_request;
620	$_->size_allocate ($w, $h);
621	$y += $h;
622	}
623	}
624	}
625
626	#############################################################################
627
628	package Crossfire::Client::Widget::Label;
629
630	our @ISA = Crossfire::Client::Widget::;
631
632	use SDL::OpenGL;
633
634	sub new {
635	my ($class, $x, $y, $z, $height, $text) = @_;
636
637	# TODO: color, and make height, xyz etc. optional
638	my $self = $class->SUPER::new (x => $x, y => $y, z => $z, height => $height);
639
640	$self->set_text ($text);
641
642	$self
643	}
644
645	sub set_text {
646	my ($self, $text) = @_;
647
648	$self->{text} = $text;
649	$self->{texture} = new_from_text Crossfire::Client::Texture $text, $self->{height};
650
651	$self->update;
652	}
653
654	sub get_text {
655	my ($self, $text) = @_;
656
657	$self->{text}
658	}
659
660	sub size_request {
661	my ($self) = @_;
662
663	(
664	$self->{texture}{width},
665	$self->{texture}{height},
666	)
667	}
668
669	sub _draw {
670	my ($self) = @_;
671
672	my $tex = $self->{texture};
673
674	glEnable GL_BLEND;
675	glEnable GL_TEXTURE_2D;
676	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
677	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
678	glBindTexture GL_TEXTURE_2D, $tex->{name};
679
680	glColor 1, 0, 0, 1; # TODO color
681
682	glBegin GL_QUADS;
683	glTexCoord 0, 0; glVertex 0 , 0;
684	glTexCoord 0, 1; glVertex 0 , $tex->{height};
685	glTexCoord 1, 1; glVertex $tex->{width}, $tex->{height};
686	glTexCoord 1, 0; glVertex $tex->{width}, 0;
687	glEnd;
688
689	glDisable GL_BLEND;
690	glDisable GL_TEXTURE_2D;
691	}
692
693	#############################################################################
694
695	package Crossfire::Client::Widget::TextEntry;
696
697	our @ISA = Crossfire::Client::Widget::Label::;
698
699	use SDL;
700	use SDL::OpenGL;
701
702	sub key_down {
703	my ($self, $ev) = @_;
704
705	my $mod = $ev->key_mod;
706	my $sym = $ev->key_sym;
707
708	$ev->set_unicode (1);
709	my $uni = $ev->key_unicode;
710
711	my $text = $self->get_text;
712
713	if ($sym == SDLK_BACKSPACE) {
714	substr $text, -1, 1, '';
715
716	} elsif ($uni) {
717	$text .= chr $uni;
718	}
719	$self->set_text ($text);
720	}
721
722	#############################################################################
723
724	package Crossfire::Client::Widget::MapWidget;
725
726	use strict;
727
728	use List::Util qw(min max);
729
730	use SDL;
731	use SDL::OpenGL;
732	use SDL::OpenGL::Constants;
733
734	our @ISA = Crossfire::Client::Widget::;
735
736	sub key_down {
737	print "MAPKEYDOWN\n";
738	}
739
740	sub key_up {
741	}
742
743	sub size_request {
744
745	}
746
747	sub size_allocate {
748	}
749
750	sub _draw {
751	my ($self) = @_;
752
753	my $mx = $::CONN->{mapx};
754	my $my = $::CONN->{mapy};
755
756	my $map = $::CONN->{map};
757
758	my ($xofs, $yofs);
759
760	my $sw = 1 + int $::WIDTH / 32;
761	my $sh = 1 + int $::HEIGHT / 32;
762
763	if ($::CONN->{mapw} > $sw) {
764	$xofs = $mx + ($::CONN->{mapw} - $sw) * 0.5;
765	} else {
766	$xofs = $self->{xofs} = min $mx, max $mx + $::CONN->{mapw} - $sw + 1, $self->{xofs};
767	}
768
769	if ($::CONN->{maph} > $sh) {
770	$yofs = $my + ($::CONN->{maph} - $sh) * 0.5;
771	} else {
772	$yofs = $self->{yofs} = min $my, max $my + $::CONN->{maph} - $sh + 1, $self->{yofs};
773	}
774
775	glEnable GL_TEXTURE_2D;
776	glEnable GL_BLEND;
777	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
778
779	my $sw4 = ($sw + 3) & ~3;
780	my $lighting = "\x00" x ($sw4 * $sh);
781
782	for my $x (0 .. $sw - 1) {
783	for my $y (0 .. $sh - 1) {
784
785	my $cell = $map->[$x + $xofs][$y + $yofs]
786	or next;
787
788	my $darkness = $cell->[0] * (1 / 255);
789	if ($darkness < 0) {
790	$darkness = 0.15;
791	}
792	substr $lighting, $y * $sw4 + $x, 1, chr 255 - $darkness * 255;
793
794	for my $num (grep $_, @$cell[1,2,3]) {
795	my $tex = $::CONN->{face}[$num]{texture} \|\| next;
796
797	glBindTexture GL_TEXTURE_2D, $tex->{name};
798
799	my $w = $tex->{width};
800	my $h = $tex->{height};
801
802	my $px = ($x + 1) * 32 - $w;
803	my $py = ($y + 1) * 32 - $h;
804
805	glBegin GL_QUADS;
806	glTexCoord 0, 0; glVertex $px , $py;
807	glTexCoord 0, 1; glVertex $px , $py + $h;
808	glTexCoord 1, 1; glVertex $px + $w, $py + $h;
809	glTexCoord 1, 0; glVertex $px + $w, $py;
810	glEnd;
811	}
812	}
813	}
814
815	# if (1) { # higher quality darkness
816	# $lighting =~ s/(.)/$1$1$1/gs;
817	# my $pb = new_from_data Gtk2::Gdk::Pixbuf $lighting, "rgb", 0, 8, $sw4, $sh, $sw4 * 3;
818	#
819	# $pb = $pb->scale_simple ($sw4 * 0.5, $sh * 0.5, "bilinear");
820	#
821	# $lighting = $pb->get_pixels;
822	# $lighting =~ s/(.)../$1/gs;
823	# }
824
825	$lighting = new Crossfire::Client::Texture
826	width => $sw4,
827	height => $sh,
828	data => $lighting,
829	internalformat => GL_ALPHA4,
830	format => GL_ALPHA;
831
832	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
833	glColor 0, 0, 0, 0.75;
834	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
835	glBindTexture GL_TEXTURE_2D, $lighting->{name};
836	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
837	glBegin GL_QUADS;
838	glTexCoord 0, 0; glVertex 0 , 0;
839	glTexCoord 0, 1; glVertex 0 , $sh * 32;
840	glTexCoord 1, 1; glVertex $sw4 * 32, $sh * 32;
841	glTexCoord 1, 0; glVertex $sw4 * 32, 0;
842	glEnd;
843
844	glDisable GL_TEXTURE_2D;
845	glDisable GL_BLEND;
846	}
847
848	my %DIR = (
849	SDLK_KP8, [1, "north"],
850	SDLK_KP9, [2, "northeast"],
851	SDLK_KP6, [3, "east"],
852	SDLK_KP3, [4, "southeast"],
853	SDLK_KP2, [5, "south"],
854	SDLK_KP1, [6, "southwest"],
855	SDLK_KP4, [7, "west"],
856	SDLK_KP7, [8, "northwest"],
857
858	SDLK_UP, [1, "north"],
859	SDLK_RIGHT, [3, "east"],
860	SDLK_DOWN, [5, "south"],
861	SDLK_LEFT, [7, "west"],
862	);
863
864	sub key_down {
865	my ($self, $ev) = @_;
866
867	my $mod = $ev->key_mod;
868	my $sym = $ev->key_sym;
869
870	if ($sym == SDLK_KP5) {
871	$::CONN->send ("command stay fire");
872	} elsif (exists $DIR{$sym}) {
873	if ($mod & KMOD_SHIFT) {
874	$self->{shft}++;
875	$::CONN->send ("command fire $DIR{$sym}[0]");
876	} elsif ($mod & KMOD_CTRL) {
877	$self->{ctrl}++;
878	$::CONN->send ("command run $DIR{$sym}[0]");
879	} else {
880	$::CONN->send ("command $DIR{$sym}[1]");
881	}
882	}
883	}
884
885	sub key_up {
886	my ($self, $ev) = @_;
887
888	my $mod = $ev->key_mod;
889	my $sym = $ev->key_sym;
890
891	if (!($mod & KMOD_SHIFT) && delete $self->{shft}) {
892	$::CONN->send ("command fire_stop");
893	}
894	if (!($mod & KMOD_CTRL ) && delete $self->{ctrl}) {
895	$::CONN->send ("command run_stop");
896	}
897	}
898
899	#############################################################################
900
901	package Crossfire::Client::Widget::Animator;
902
903	use SDL::OpenGL;
904
905	our @ISA = Crossfire::Client::Widget::Bin::;
906
907	sub moveto {
908	my ($self, $x, $y) = @_;
909
910	$self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
911	$self->{speed} = 0.2;
912	$self->{time} = 1;
913
914	::animation_start $self;
915	}
916
917	sub animate {
918	my ($self, $interval) = @_;
919
920	$self->{time} -= $interval * $self->{speed};
921	if ($self->{time} <= 0) {
922	$self->{time} = 0;
923	::animation_stop $self;
924	}
925
926	my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
927
928	$self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
929	$self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
930	}
931
932	sub _draw {
933	my ($self) = @_;
934
935	glPushMatrix;
936	glRotate $self->{time} * 10000, 0, 1, 0;
937	$self->{children}[0]->draw;
938	glPopMatrix;
939	}
940
941	1;
942