Deliantra-Client/DC/UI.pm

package Crossfire::Client::Widget;

use strict;

use Scalar::Util;

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

use Crossfire::Client;

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})
      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) = @_;

   my $res;

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

   ()
}

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:	1.43
Committed:	Sun Apr 9 22:12:11 2006 UTC (18 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.42:	+17 -28 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	our $FOCUS; # the widget with current focus
13
14	# class methods for events
15	sub feed_sdl_key_down_event { $FOCUS->key_down ($_[0]) if $FOCUS }
16	sub feed_sdl_key_up_event { $FOCUS->key_up ($_[0]) if $FOCUS }
17	sub feed_sdl_button_down_event { }
18	sub feed_sdl_button_up_event { }
19
20	sub new {
21	my $class = shift;
22
23	bless { @_ }, $class
24	}
25
26	sub move {
27	my ($self, $x, $y, $z) = @_;
28	$self->{x} = $x;
29	$self->{y} = $y;
30	$self->{z} = $z if defined $z;
31	}
32
33	sub needs_redraw {
34	0
35	}
36
37	sub size_request {
38	require Carp;
39	Carp::confess "size_request is abtract";
40	}
41
42	sub size_allocate {
43	my ($self, $w, $h) = @_;
44
45	$self->{w} = $w;
46	$self->{h} = $h;
47	}
48
49	sub focus_in {
50	my ($widget) = @_;
51	$FOCUS = $widget;
52	}
53
54	sub focus_out {
55	my ($widget) = @_;
56	}
57
58	sub key_down {
59	my ($widget, $sdlev) = @_;
60	}
61
62	sub key_up {
63	my ($widget, $sdlev) = @_;
64	}
65
66	sub button_down {
67	my ($widget, $sdlev) = @_;
68	}
69
70	sub button_up {
71	my ($widget, $sdlev) = @_;
72	}
73
74	sub w { $_[0]->{w} = $_[1] if $_[1]; $_[0]->{w} }
75	sub h { $_[0]->{h} = $_[1] if $_[1]; $_[0]->{h} }
76	sub x { $_[0]->{x} = $_[1] if $_[1]; $_[0]->{x} }
77	sub y { $_[0]->{y} = $_[1] if $_[1]; $_[0]->{y} }
78	sub z { $_[0]->{z} = $_[1] if $_[1]; $_[0]->{z} }
79
80	sub draw {
81	my ($self) = @_;
82
83	glPushMatrix;
84	glTranslate $self->{x}, $self->{y}, 0;
85	$self->_draw;
86	glPopMatrix;
87	}
88
89	sub _draw {
90	my ($self) = @_;
91
92	warn "no draw defined for $self\n";
93	}
94
95	sub bbox {
96	my ($self) = @_;
97	my ($w, $h) = $self->size_request;
98	(
99	$self->{x},
100	$self->{y},
101	$self->{x} = $w,
102	$self->{y} = $h
103	)
104	}
105
106	sub find_widget {
107	my ($self, $x, $y) = @_;
108
109	return $self
110	if $x >= $self->{x} && $x < $self->{x} + $self->{w}
111	&& $y >= $self->{y} && $y < $self->{y} + $self->{h};
112
113	()
114	}
115
116	sub del_parent { $_[0]->{parent} = undef }
117
118	sub set_parent {
119	my ($self, $par) = @_;
120
121	$self->{parent} = $par;
122	Scalar::Util::weaken $self->{parent};
123	}
124
125	sub get_parent {
126	$_[0]->{parent}
127	}
128
129	sub update {
130	my ($self) = @_;
131
132	$self->{parent}->update
133	if $self->{parent};
134	}
135
136	sub DESTROY {
137	my ($self) = @_;
138
139	#$self->deactivate;
140	}
141
142	#############################################################################
143
144	package Crossfire::Client::Widget::Container;
145
146	our @ISA = Crossfire::Client::Widget::;
147
148	sub new {
149	my ($class, @widgets) = @_;
150
151	my $self = $class->SUPER::new (children => []);
152	$self->add ($_) for @widgets;
153
154	$self
155	}
156
157	sub add {
158	my ($self, $chld, $expand) = @_;
159
160	$chld->{expand} = $expand;
161	$chld->set_parent ($self);
162
163	@{$self->{children}} =
164	sort { $a->{z} <=> $b->{z} }
165	@{$self->{children}}, $chld;
166
167	$self->size_allocate ($self->{w}, $self->{h})
168	if $self->{w}; #TODO: check for "realised state"
169	}
170
171	sub remove {
172	my ($self, $widget) = @_;
173
174	$self->{children} = [ grep $_ != $widget, @{ $self->{children} } ];
175
176	$self->size_allocate ($self->{w}, $self->{h});
177	}
178
179	sub find_widget {
180	my ($self, $x, $y) = @_;
181
182	my $res;
183
184	for (@{ $self->{children} }) {
185	$res = $_->find_widget ($x, $y)
186	and return $res;
187	}
188
189	()
190	}
191
192	sub _draw {
193	my ($self) = @_;
194
195	$_->draw for @{$self->{children}};
196	}
197
198	#############################################################################
199
200	package Crossfire::Client::Widget::Bin;
201
202	our @ISA = Crossfire::Client::Widget::Container::;
203
204	sub child { $_[0]->{children}[0] }
205
206	sub size_request {
207	$_[0]{children}[0]->size_request if $_[0]{children}[0];
208	}
209
210	sub size_allocate {
211	my ($self, $w, $h) = @_;
212
213	$self->SUPER::size_allocate ($w, $h);
214	$self->{children}[0]->size_allocate ($w, $h)
215	if $self->{children}[0]
216	}
217
218	#############################################################################
219
220	package Crossfire::Client::Widget::Toplevel;
221
222	our @ISA = Crossfire::Client::Widget::Container::;
223
224	sub update {
225	my ($self) = @_;
226
227	::refresh ();
228	}
229
230	sub add {
231	my ($self, $widget) = @_;
232
233	$self->SUPER::add ($widget);
234
235	$widget->size_allocate ($widget->size_request);
236	}
237
238	#############################################################################
239
240	package Crossfire::Client::Widget::Window;
241
242	our @ISA = Crossfire::Client::Widget::Bin::;
243
244	use SDL::OpenGL;
245
246	sub new {
247	my ($class, $x, $y, $z, $w, $h) = @_;
248
249	my $self = $class->SUPER::new;
250
251	@$self{qw(x y z w h)} = ($x, $y, $z, $w, $h);
252	}
253
254	sub update {
255	my ($self) = @_;
256
257	$self->render_chld;
258	$self->SUPER::update;
259	}
260
261	sub render_chld {
262	my ($self) = @_;
263
264	$self->{texture} =
265	Crossfire::Client::Texture->new_from_opengl (
266	$self->{w}, $self->{h}, sub { $self->child->draw }
267	);
268	}
269
270	sub size_allocate {
271	my ($self, $w, $h) = @_;
272
273	$self->{w} = $w;
274	$self->{h} = $h;
275
276	$self->child->size_allocate ($w, $h);
277
278	$self->render_chld;
279	}
280
281	sub _draw {
282	my ($self) = @_;
283
284	my ($w, $h) = ($self->w, $self->h);
285
286	my $tex = $self->{texture}
287	or return;
288
289	glEnable GL_BLEND;
290	glEnable GL_TEXTURE_2D;
291	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
292	glBindTexture GL_TEXTURE_2D, $tex->{name};
293
294	glBegin GL_QUADS;
295	glTexCoord 0, 0; glVertex 0, 0;
296	glTexCoord 0, 1; glVertex 0, $h;
297	glTexCoord 1, 1; glVertex $w, $h;
298	glTexCoord 1, 0; glVertex $w, 0;
299	glEnd;
300
301	glDisable GL_BLEND;
302	glDisable GL_TEXTURE_2D;
303	}
304
305	#############################################################################
306
307	package Crossfire::Client::Widget::Frame;
308
309	our @ISA = Crossfire::Client::Widget::Bin::;
310
311	use SDL::OpenGL;
312
313	sub size_request {
314	my ($self) = @_;
315	my $chld = $self->child
316	or return (0, 0);
317
318	$chld->move (2, 2);
319
320	map { $_ + 4 } $chld->size_request;
321	}
322
323	sub size_allocate {
324	my ($self, $w, $h) = @_;
325
326	$self->{w} = $w;
327	$self->{h} = $h;
328
329	$self->child->size_allocate ($w - 4, $h - 4);
330	$self->child->move (2, 2);
331	}
332
333	sub _draw {
334	my ($self) = @_;
335
336	my $chld = $self->child;
337
338	my ($w, $h) = $chld->size_request;
339
340	glBegin GL_QUADS;
341	glColor 0, 0, 0;
342	glTexCoord 0, 0; glVertex 0 , 0;
343	glTexCoord 0, 1; glVertex 0 , $h + 4;
344	glTexCoord 1, 1; glVertex $w + 4 , $h + 4;
345	glTexCoord 1, 0; glVertex $w + 4 , 0;
346	glEnd;
347
348	$chld->draw;
349	}
350
351	#############################################################################
352
353	package Crossfire::Client::Widget::FancyFrame;
354
355	our @ISA = Crossfire::Client::Widget::Bin::;
356
357	use SDL::OpenGL;
358
359	my @tex =
360	map { new_from_file Crossfire::Client::Texture Crossfire::Client::find_rcfile $_ }
361	qw(d1_bg.png d1_border_top.png d1_border_right.png d1_border_left.png d1_border_bottom.png);
362
363	sub size_request {
364	my ($self) = @_;
365
366	my ($w, $h) = $self->SUPER::size_request;
367
368	$h += $tex[1]->{height};
369	$h += $tex[4]->{height};
370	$w += $tex[2]->{width};
371	$w += $tex[3]->{width};
372
373	($w, $h)
374	}
375
376	sub size_allocate {
377	my ($self, $w, $h) = @_;
378
379	$self->SUPER::size_allocate ($w, $h);
380
381	$h -= $tex[1]->{height};
382	$h -= $tex[4]->{height};
383	$w -= $tex[2]->{width};
384	$w -= $tex[3]->{width};
385
386	$h = $h < 0 ? 0 : $h;
387	$w = $w < 0 ? 0 : $w;
388
389	$self->child->size_allocate ($w, $h);
390	$self->child->move ($tex[3]->{width}, $tex[1]->{height});
391	}
392
393	sub _draw {
394	my ($self) = @_;
395
396	my ($w, $h) = ($self->{w}, $self->{h});
397	my ($cw, $ch) = ($self->child->{w}, $self->child->{h});
398
399	glEnable GL_BLEND;
400	glEnable GL_TEXTURE_2D;
401	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
402	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
403
404	my $top = $tex[1];
405	glBindTexture GL_TEXTURE_2D, $top->{name};
406
407	glBegin GL_QUADS;
408	glTexCoord 0, 0; glVertex 0 , 0;
409	glTexCoord 0, 1; glVertex 0 , $top->{height};
410	glTexCoord 1, 1; glVertex $w , $top->{height};
411	glTexCoord 1, 0; glVertex $w , 0;
412	glEnd;
413
414	my $left = $tex[3];
415	glBindTexture GL_TEXTURE_2D, $left->{name};
416
417	glBegin GL_QUADS;
418	glTexCoord 0, 0; glVertex 0 , $top->{height};
419	glTexCoord 0, 1; glVertex 0 , $top->{height} + $ch;
420	glTexCoord 1, 1; glVertex $left->{width}, $top->{height} + $ch;
421	glTexCoord 1, 0; glVertex $left->{width}, $top->{height};
422	glEnd;
423
424	my $right = $tex[2];
425	glBindTexture GL_TEXTURE_2D, $right->{name};
426
427	glBegin GL_QUADS;
428	glTexCoord 0, 0; glVertex $w - $right->{width}, $top->{height};
429	glTexCoord 0, 1; glVertex $w - $right->{width}, $top->{height} + $ch;
430	glTexCoord 1, 1; glVertex $w , $top->{height} + $ch;
431	glTexCoord 1, 0; glVertex $w , $top->{height};
432	glEnd;
433
434	my $bottom = $tex[4];
435	glBindTexture GL_TEXTURE_2D, $bottom->{name};
436
437	glBegin GL_QUADS;
438	glTexCoord 0, 0; glVertex 0 , $h - $bottom->{height};
439	glTexCoord 0, 1; glVertex 0 , $h;
440	glTexCoord 1, 1; glVertex $w , $h;
441	glTexCoord 1, 0; glVertex $w , $h - $bottom->{height};
442	glEnd;
443
444	my $bg = $tex[0];
445	glBindTexture GL_TEXTURE_2D, $bg->{name};
446	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
447	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT;
448	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT;
449
450	my $rep_x = $cw / $bg->{width};
451	my $rep_y = $ch / $bg->{height};
452
453	glBegin GL_QUADS;
454	glTexCoord 0, 0; glVertex $left->{width}, $top->{height};
455	glTexCoord 0, $rep_y; glVertex $left->{width}, $top->{height} + $ch;
456	glTexCoord $rep_x, $rep_y; glVertex $left->{width} + $cw , $top->{height} + $ch;
457	glTexCoord $rep_x, 0; glVertex $left->{width} + $cw , $top->{height};
458	glEnd;
459
460	glDisable GL_BLEND;
461	glDisable GL_TEXTURE_2D;
462
463	$self->child->draw;
464
465	}
466
467	#############################################################################
468
469	package Crossfire::Client::Widget::Table;
470
471	our @ISA = Crossfire::Client::Widget::Bin::;
472
473	use SDL::OpenGL;
474
475	sub add {
476	my ($self, $x, $y, $chld) = @_;
477	my $old_chld = $self->{children}[$y][$x];
478
479	$self->{children}[$y][$x] = $chld;
480	$chld->set_parent ($self);
481	$self->update;
482	}
483
484	sub max_row_height {
485	my ($self, $row) = @_;
486
487	my $hs = 0;
488	for (my $xi = 0; $xi <= $#{$self->{children}->[$row] \|\| []}; $xi++) {
489	my $c = $self->{children}->[$row]->[$xi];
490	if ($c) {
491	my ($w, $h) = $c->size_request;
492	if ($hs < $h) { $hs = $h }
493	}
494	}
495	return $hs;
496	}
497
498	sub max_col_width {
499	my ($self, $col) = @_;
500
501	my $ws = 0;
502	for (my $yi = 0; $yi <= $#{$self->{children} \|\| []}; $yi++) {
503	my $c = ($self->{children}->[$yi] \|\| [])->[$col];
504	if ($c) {
505	my ($w, $h) = $c->size_request;
506	if ($ws < $w) { $ws = $w }
507	}
508	}
509	return $ws;
510	}
511
512	sub size_request {
513	my ($self) = @_;
514
515	my ($hs, $ws) = (0, 0);
516
517	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
518	$hs += $self->max_row_height ($yi);
519	}
520
521	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
522	my $wm = 0;
523	for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {
524	$wm += $self->max_col_width ($xi)
525	}
526	if ($ws < $wm) { $ws = $wm }
527	}
528
529	return ($ws, $hs);
530	}
531
532	sub _draw {
533	my ($self) = @_;
534
535	my $y = 0;
536	for (my $yi = 0; $yi <= $#{$self->{children}}; $yi++) {
537	my $x = 0;
538
539	for (my $xi = 0; $xi <= $#{$self->{children}->[$yi]}; $xi++) {
540
541	my $c = $self->{children}->[$yi]->[$xi];
542	if ($c) {
543	$c->move ($x, $y, 0); #TODO: Move to size_request
544	$c->draw if $c;
545	}
546
547	$x += $self->max_col_width ($xi);
548	}
549
550	$y += $self->max_row_height ($yi);
551	}
552	}
553
554	#############################################################################
555
556	package Crossfire::Client::Widget::VBox;
557
558	our @ISA = Crossfire::Client::Widget::Container::;
559
560	use SDL::OpenGL;
561
562	sub size_request {
563	my ($self) = @_;
564
565	my @alloc = map [$_->size_request], @{$self->{children}};
566
567	(
568	(List::Util::max map $_->[0], @alloc),
569	(List::Util::sum map $_->[1], @alloc),
570	)
571	}
572
573	sub size_allocate {
574	my ($self, $w, $h) = @_;
575
576	$self->w ($w);
577	$self->h ($h);
578
579	my $exp;
580	my @oth;
581	# find expand widget
582	for (@{$self->{children}}) {
583	if ($_->{expand}) {
584	$exp = $_;
585	last;
586	}
587	push @oth, $_;
588	}
589
590	my ($ow, $oh);
591
592	# get sizes of other widgets
593	for (@oth) {
594	my ($w, $h) = $_->size_request;
595	$oh += $h;
596	if ($ow < $w) { $ow = $w }
597	}
598
599	my $y = 0;
600	for (@{$self->{children}}) {
601	$_->move (0, $y);
602
603	if ($_ == $exp) {
604	$_->size_allocate ($w, $h - $oh);
605	$y += $h - $oh;
606	} else {
607	my ($cw, $h) = $_->size_request;
608	$_->size_allocate ($w, $h);
609	$y += $h;
610	}
611	}
612	}
613
614	#############################################################################
615
616	package Crossfire::Client::Widget::Label;
617
618	our @ISA = Crossfire::Client::Widget::;
619
620	use SDL::OpenGL;
621
622	sub new {
623	my ($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 $tex->{width}, 0;
675	glEnd;
676
677	glDisable GL_BLEND;
678	glDisable GL_TEXTURE_2D;
679	}
680
681	#############################################################################
682
683	package Crossfire::Client::Widget::TextEntry;
684
685	our @ISA = Crossfire::Client::Widget::Label::;
686
687	use SDL;
688	use SDL::OpenGL;
689
690	sub key_down {
691	my ($self, $ev) = @_;
692
693	my $mod = $ev->key_mod;
694	my $sym = $ev->key_sym;
695
696	$ev->set_unicode (1);
697	my $uni = $ev->key_unicode;
698
699	my $text = $self->get_text;
700
701	if ($sym == SDLK_BACKSPACE) {
702	substr $text, -1, 1, '';
703
704	} elsif ($uni) {
705	$text .= chr $uni;
706	}
707	$self->set_text ($text);
708	}
709
710	#############################################################################
711
712	package Crossfire::Client::Widget::MapWidget;
713
714	use strict;
715
716	use List::Util qw(min max);
717
718	use SDL;
719	use SDL::OpenGL;
720	use SDL::OpenGL::Constants;
721
722	our @ISA = Crossfire::Client::Widget::;
723
724	sub key_down {
725	print "MAPKEYDOWN\n";
726	}
727
728	sub key_up {
729	}
730
731	sub size_request {
732
733	}
734
735	sub size_allocate {
736	}
737
738	sub _draw {
739	my ($self) = @_;
740
741	my $mx = $::CONN->{mapx};
742	my $my = $::CONN->{mapy};
743
744	my $map = $::CONN->{map};
745
746	my ($xofs, $yofs);
747
748	my $sw = 1 + int $::WIDTH / 32;
749	my $sh = 1 + int $::HEIGHT / 32;
750
751	if ($::CONN->{mapw} > $sw) {
752	$xofs = $mx + ($::CONN->{mapw} - $sw) * 0.5;
753	} else {
754	$xofs = $self->{xofs} = min $mx, max $mx + $::CONN->{mapw} - $sw + 1, $self->{xofs};
755	}
756
757	if ($::CONN->{maph} > $sh) {
758	$yofs = $my + ($::CONN->{maph} - $sh) * 0.5;
759	} else {
760	$yofs = $self->{yofs} = min $my, max $my + $::CONN->{maph} - $sh + 1, $self->{yofs};
761	}
762
763	glEnable GL_TEXTURE_2D;
764	glEnable GL_BLEND;
765	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
766
767	my $sw4 = ($sw + 3) & ~3;
768	my $lighting = "\x00" x ($sw4 * $sh);
769
770	for my $x (0 .. $sw - 1) {
771	for my $y (0 .. $sh - 1) {
772
773	my $cell = $map->[$x + $xofs][$y + $yofs]
774	or next;
775
776	my $darkness = $cell->[0] * (1 / 255);
777	if ($darkness < 0) {
778	$darkness = 0.15;
779	}
780	substr $lighting, $y * $sw4 + $x, 1, chr 255 - $darkness * 255;
781
782	for my $num (grep $_, @$cell[1,2,3]) {
783	my $tex = $::CONN->{face}[$num]{texture} \|\| next;
784
785	glBindTexture GL_TEXTURE_2D, $tex->{name};
786
787	my $w = $tex->{width};
788	my $h = $tex->{height};
789
790	my $px = ($x + 1) * 32 - $w;
791	my $py = ($y + 1) * 32 - $h;
792
793	glBegin GL_QUADS;
794	glTexCoord 0, 0; glVertex $px , $py;
795	glTexCoord 0, 1; glVertex $px , $py + $h;
796	glTexCoord 1, 1; glVertex $px + $w, $py + $h;
797	glTexCoord 1, 0; glVertex $px + $w, $py;
798	glEnd;
799	}
800	}
801	}
802
803	# if (1) { # higher quality darkness
804	# $lighting =~ s/(.)/$1$1$1/gs;
805	# my $pb = new_from_data Gtk2::Gdk::Pixbuf $lighting, "rgb", 0, 8, $sw4, $sh, $sw4 * 3;
806	#
807	# $pb = $pb->scale_simple ($sw4 * 0.5, $sh * 0.5, "bilinear");
808	#
809	# $lighting = $pb->get_pixels;
810	# $lighting =~ s/(.)../$1/gs;
811	# }
812
813	$lighting = new Crossfire::Client::Texture
814	width => $sw4,
815	height => $sh,
816	data => $lighting,
817	internalformat => GL_ALPHA4,
818	format => GL_ALPHA;
819
820	glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
821	glColor 0, 0, 0, 0.75;
822	glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
823	glBindTexture GL_TEXTURE_2D, $lighting->{name};
824	glTexParameter GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR;
825	glBegin GL_QUADS;
826	glTexCoord 0, 0; glVertex 0 , 0;
827	glTexCoord 0, 1; glVertex 0 , $sh * 32;
828	glTexCoord 1, 1; glVertex $sw4 * 32, $sh * 32;
829	glTexCoord 1, 0; glVertex $sw4 * 32, 0;
830	glEnd;
831
832	glDisable GL_TEXTURE_2D;
833	glDisable GL_BLEND;
834	}
835
836	my %DIR = (
837	SDLK_KP8, [1, "north"],
838	SDLK_KP9, [2, "northeast"],
839	SDLK_KP6, [3, "east"],
840	SDLK_KP3, [4, "southeast"],
841	SDLK_KP2, [5, "south"],
842	SDLK_KP1, [6, "southwest"],
843	SDLK_KP4, [7, "west"],
844	SDLK_KP7, [8, "northwest"],
845
846	SDLK_UP, [1, "north"],
847	SDLK_RIGHT, [3, "east"],
848	SDLK_DOWN, [5, "south"],
849	SDLK_LEFT, [7, "west"],
850	);
851
852	sub key_down {
853	my ($self, $ev) = @_;
854
855	my $mod = $ev->key_mod;
856	my $sym = $ev->key_sym;
857
858	if ($sym == SDLK_KP5) {
859	$::CONN->send ("command stay fire");
860	} elsif (exists $DIR{$sym}) {
861	if ($mod & KMOD_SHIFT) {
862	$self->{shft}++;
863	$::CONN->send ("command fire $DIR{$sym}[0]");
864	} elsif ($mod & KMOD_CTRL) {
865	$self->{ctrl}++;
866	$::CONN->send ("command run $DIR{$sym}[0]");
867	} else {
868	$::CONN->send ("command $DIR{$sym}[1]");
869	}
870	}
871	}
872
873	sub key_up {
874	my ($self, $ev) = @_;
875
876	my $mod = $ev->key_mod;
877	my $sym = $ev->key_sym;
878
879	if (!($mod & KMOD_SHIFT) && delete $self->{shft}) {
880	$::CONN->send ("command fire_stop");
881	}
882	if (!($mod & KMOD_CTRL ) && delete $self->{ctrl}) {
883	$::CONN->send ("command run_stop");
884	}
885	}
886
887	#############################################################################
888
889	package Crossfire::Client::Widget::Animator;
890
891	use SDL::OpenGL;
892
893	our @ISA = Crossfire::Client::Widget::Bin::;
894
895	sub moveto {
896	my ($self, $x, $y) = @_;
897
898	$self->{moveto} = [$self->{x}, $self->{y}, $x, $y];
899	$self->{speed} = 0.2;
900	$self->{time} = 1;
901
902	::animation_start $self;
903	}
904
905	sub animate {
906	my ($self, $interval) = @_;
907
908	$self->{time} -= $interval * $self->{speed};
909	if ($self->{time} <= 0) {
910	$self->{time} = 0;
911	::animation_stop $self;
912	}
913
914	my ($x0, $y0, $x1, $y1) = @{$self->{moveto}};
915
916	$self->{x} = $x0 * $self->{time} + $x1 * (1 - $self->{time});
917	$self->{y} = $y0 * $self->{time} + $y1 * (1 - $self->{time});
918	}
919
920	sub _draw {
921	my ($self) = @_;
922
923	glPushMatrix;
924	glRotate $self->{time} * 10000, 0, 1, 0;
925	$self->{children}[0]->draw;
926	glPopMatrix;
927	}
928
929	1;
930