Deliantra/Deliantra/MapWidget.pm

=head1 NAME

Crossfire::MapWidget - Gtk2 widget displaying cf maps

=head1 SYNOPSIS

  use Crossfire::MapWidget;

=head1 DESCRIPTION

=head2 METHODS

=over 4

=cut

package Crossfire::MapWidget;

use strict;

use Gtk2;

use Crossfire;
use Crossfire::Tilecache;

use Glib::Object::Subclass
   'Gtk2::DrawingArea';

use List::Util qw(min max);

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

   $self->signal_connect (destroy => sub {
      my ($self) = @_;

      $self->{tip}->destroy if $self->{tip};

      %$self = ();

      0
   });
   $self->signal_connect (realize => sub {
      my ($self) = @_;

      $self->{window} = $self->window;

      1
   });

   $self->set_redraw_on_allocate (0);
   $self->double_buffered (0);

   # reduces unnecessary redraws
   $self->signal_connect_after (focus_in_event  => sub { 1 });
   $self->signal_connect_after (focus_out_event => sub { 1 });

   $self->signal_connect (size_request => sub {
      $_[1]->width  (20 * TILESIZE);
      $_[1]->height (20 * TILESIZE);

      1
   });

   $self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });

   $self->signal_connect_after (configure_event => sub {
      $self->set_viewport ($self->{x}, $self->{y});

      0
   });

   $self->{tooltip} = -2; # need to be mapped _and_ inside

   $self->signal_connect_after (map_event          => sub { $self->enable_tooltip;  0 });
   $self->signal_connect_after (unmap_event        => sub { $self->disable_tooltip; 0 });

   $self->signal_connect_after (enter_notify_event => sub { $self->enable_tooltip;  0 });
   $self->signal_connect_after (leave_notify_event => sub { $self->disable_tooltip; 0 });

   $self->signal_connect (button_press_event => sub {
      my ($self, $event) = @_;

      my ($x, $y) = ($event->x, $event->y);

      if ($_[1]->button == 2 && !$self->{in_drag}) {
         $self->disable_tooltip;

         $_[0]->grab_focus;
         $self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
         return 1;
      }

      0
   });

   $self->signal_connect (motion_notify_event => sub {
      my ($self) = @_;

      $self->update_tooltip;

      if (my $di = $self->{in_drag}) {
         my ($x, $y) = $self->get_pointer;

         $self->set_viewport (
            $di->[0] + $di->[2] - $x,
            $di->[1] + $di->[3] - $y,
         );

         return 1;
      }

      0
   });

   $self->signal_connect (button_release_event => sub {
      my ($self) = @_;

      $self->enable_tooltip 
         if delete $self->{in_drag};

      0
   });

   # gtk+ supports no motion compression, a major lacking feature. we have to pay for the
   # workaround with incorrect behaviour and extra server-turnarounds.
   $self->add_events ([qw(button_press_mask button_release_mask button-motion-mask
                          pointer-motion-mask pointer-motion-hint-mask
                          enter-notify-mask leave-notify-mask)]);
   $self->can_focus (1);

#   $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
}

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

   $self->{tooltip}++;
   $self->update_tooltip;
}

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

   $self->{tooltip}--;
   $self->update_tooltip;
}

sub overlay {
   my ($self, $name, $x, $y, $w, $h, $cb) = @_;

   if (my $ov = delete $self->{overlay}{$name}) {
      my ($x, $y, $w, $h) = @$ov;

      $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
   }

   if ($h) {
      $self->{overlay}{$name} = [$x, $y, $w, $h, $cb];

      $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
   }
}

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

   if ($self->{tooltip} >= 0) {
      my $screen = $self->{window}->get_screen;
      my ($pscreen, $x, $y) = $screen->get_display->get_pointer;

      if ($pscreen == $screen) {
         if (!$self->{tip}) {
            $self->{tip} = new Gtk2::Window "popup";
            $self->{tip}->can_focus (0);
            $self->{tip}->set_name ("gtk-tooltips");
            $self->{tip}->set_decorated (0);
            $self->{tip}->set_border_width (4);
            $self->{tip}->set_has_frame (0);
            $self->{tip}->set_resizable (0);
            $self->{tip}->set_transient_for ($self->get_toplevel);
         }

         my ($mx, $my) = $self->coord ($self->get_pointer);

         if ($self->{tipinfo}[0] != $mx || $self->{tipinfo}[1] != $my) {
            $self->fill_tooltip ($mx, $my);

            $self->{tipinfo} = [$mx, $my];

            $self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
               my ($self, $x, $y) = @_;

               $self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
                                                $x + $_, $y + $_,
                                                TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
                  for 0..3;

               my $req = $self->{tip}->size_request;
               $self->{tip}->resize ($req->width, $req->height);
            });

            $self->{tip}->show_all;
         }

         $self->{tip}->move ($x + TILESIZE, $y);

         return;
      }
   }

   $self->overlay ("_tooltip");
   delete $self->{tipinfo};
   (delete $self->{tip})->destroy if $self->{tip};
}

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

   $self->{tip}->remove ($self->{tip}->get_children)
      if $self->{tip}->get_children;

   $self->{tip}->add (my $frame = new Gtk2::Frame "($x|$y)");

#   $frame->set_shadow_type ("none");

   if ($x < 0 || $x >= $self->{map}{width}
       || $y < 0 || $y >= $self->{map}{height}) {
     $frame->add (new Gtk2::Label "<off-map>");
   } else {
      $frame->add (my $vbox = new Gtk2::VBox 1, 1);

      #TODO: fill tooltip via signal, defaulting to this:

      # fill tooltip with info about $x, $y
      my $as = $self->{map}{map}[$x][$y] || [];
      for my $a (@$as) {
         $vbox->add (my $hbox = new Gtk2::HBox 0, 2);

         my $tile = $Crossfire::Tilecache::TILECACHE{ $a->{face} || $ARCH->{$a->{_name}}{face} };

         # this is awful, is this really the best way?
         my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
         $pb->fill (0x00000000);
         
         $Crossfire::Tilecache::TILECACHE->composite ($pb,
            0, 0,
            TILESIZE, TILESIZE,
            - ($tile->{idx} % 64) * TILESIZE, - TILESIZE * int $tile->{idx} / 64,
            1, 1, 'nearest', 255
         );

         $hbox->add (my $img = new_from_pixbuf Gtk2::Image $pb);
         $img->set_alignment (0, 0.5);

         $hbox->add (my $label = new Gtk2::Label $a->{_name});
         $label->set_alignment (0, 0.5);
      }
   }
}

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

   my $area = $self->allocation;

   $x = max 0, min $self->{width}  - $area->width , $x;
   $y = max 0, min $self->{height} - $area->height, $y;

   $self->window->scroll ($self->{x} - $x, $self->{y} - $y);

   ($self->{x}, $self->{y}) = ($x, $y);
}

sub set_map {
   my ($self, $map) = @_;

   $self->{map} = $map;

   $self->{width}  = $map->{width}  * TILESIZE;
   $self->{height} = $map->{height} * TILESIZE;
   
   $self->{x} =
   $self->{y} = 0;

   delete $self->{face};
   $self->update_map (0, 0, $self->{width}, $self->{height});
   delete $self->{tipinfo};
   $self->update_tooltip;
   $self->invalidate_all;
}

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

   (
      int +($self->{x} + $x) / TILESIZE,
      int +($self->{y} + $y) / TILESIZE,
   )
}

#sub handle_key {
#   my ($self, $key, $state) = @_;
#
#   $self->prefetch_cancel;
#
#   if ($state * "control-mask") {
#      if ($key == $Gtk2::Gdk::Keysyms{g}) {
#         my @sel = keys %{$self->{sel}};
#         $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
#   }
#
#   1
#}

sub invalidate {
   my ($self, $x, $y, $w, $h) = @_;

   return unless $self->{window};

   $self->queue_draw_area (
      map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
   );
}

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

   $self->queue_draw;
}

sub update_map {
   my ($self, $x, $y, $w, $h) = @_;

   delete $self->{overlay};

   my $map = $self->{map}{map};
   my $ov  = $self->{face} ||= [];

   $x = 0; $w = $self->{map}{width};
   $y = 0; $h = $self->{map}{height};

   my @x = ($x .. $x + $w - 1);
   my @y = ($y .. $y + $h - 1);

   my $TC = \%Crossfire::Tilecache::TILECACHE;

   my @ov;

   # update overlay map with bigfaces and chained faces
   for my $x (@x) {
      my $ass = $self->{map}{map}[$x];
      my $oss = $ov->[$x] ||= [];
      for my $y (@y) {
         my $os = $oss->[$y] = [];
         for my $a (@{ $ass->[$y] || [] }) {
            my $o = $ARCH->{$a->{_name}}
               or (warn "arch '$a->{_name}' not found at ($x|$y)\n"), next;

            my $tile = $TC->{$a->{face} || $o->{face}}
               or (warn "no gfx found for arch '$a->{_name}' at ($x|$y)\n"), next;

            if ($tile->{w} > 1 || $tile->{h} > 1) {
               # bigfaces
               for my $ox (0 .. $tile->{w} - 1) {
                  for my $oy (0 .. $tile->{h} - 1) {
                     push @ov, [$x + $ox, $y + $oy,
                                $tile->{idx} + $ox + $oy * $tile->{w}];
                  }
               }

            } elsif ($o->{more}) {
               # linked faces
               do {
                  my $tile = $TC->{$o->{face}}
                     or (warn "no gfx found for arch '$a->{_name}' at ($x*|$y*)\n"), next;
                  push @ov, [$x + $o->{x}, $y + $o->{y}, $tile->{idx}];
               } while $o = $o->{more};

            } else {
               # single face
               push @$os, $tile->{idx};

            }
         }
      }
   }

   # bigger faces always on top, I don't give a shit to those who think otherwise
   for (@ov) {
      my ($x, $y, $idx) = @$_;

      push @{ $ov->[$x][$y] }, $idx;
   }
}

sub expose {
   my ($self, $event) = @_;

   no integer;

   my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
   my $oy = $self->{y}; my $iy = int $oy / TILESIZE;

   # get_rectangles is buggy in older versions
   for my $area ($Gtk2::VERSION > 1.115 ? $event->region->get_rectangles : $event->area) {
      my ($x, $y, $w, $h) = $area->values; # x y w h

      my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
      my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);

      my $PB = $Crossfire::Tilecache::TILECACHE;

      my $window = $self->{window};

      my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
      $pb->fill (0x00000000);

      for my $x (@x) {
         my $dx = ($x - $x[0]) * TILESIZE;
         my $oss = $self->{face}[$x];

         for my $y (@y) {
            my $dy = ($y - $y[0]) * TILESIZE;

            for my $idx (@{$oss->[$y]}) {
               $PB->composite ($pb,
                  $dx, $dy,
                  TILESIZE, TILESIZE,
                  $dx - ($idx % 64) * TILESIZE, $dy - TILESIZE * int $idx / 64,
                  1, 1, 'nearest', 255
               );
            }
         }
      }

      $pb->render_to_drawable ($window, $self->style->black_gc,
               0, 0,
               $x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
               TILESIZE * @x, TILESIZE * @y,
               'max', 0, 0);
   }

   $_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
      for values %{ $self->{overlay} || {} };
}

=back

=head1 AUTHOR

Marc Lehmann <schmorp@schmorp.de>

=cut

1

Revision:	1.8
Committed:	Sun Feb 5 23:39:36 2006 UTC (18 years, 4 months ago) by root
Branch:	MAIN
Changes since 1.7:	+5 -98 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	=head1 NAME
2
3			Crossfire::MapWidget - Gtk2 widget displaying cf maps
4
5			=head1 SYNOPSIS
6
7			use Crossfire::MapWidget;
8
9			=head1 DESCRIPTION
10
11			=head2 METHODS
12
13			=over 4
14
15			=cut
16
17			package Crossfire::MapWidget;
18
19			use strict;
20
21			use Gtk2;
22
23			use Crossfire;
24			use Crossfire::Tilecache;
25
26			use Glib::Object::Subclass
27			'Gtk2::DrawingArea';
28
29			use List::Util qw(min max);
30
31			sub INIT_INSTANCE {
32			my ($self) = @_;
33
34	root	1.7	$self->signal_connect (destroy => sub {
35			my ($self) = @_;
36	root	1.8
37	root	1.7	$self->{tip}->destroy if $self->{tip};
38	root	1.8
39	root	1.7	%$self = ();
40	root	1.8
41	root	1.7	0
42			});
43	root	1.1	$self->signal_connect (realize => sub {
44			my ($self) = @_;
45
46			$self->{window} = $self->window;
47
48			1
49			});
50
51	root	1.7	$self->set_redraw_on_allocate (0);
52	root	1.1	$self->double_buffered (0);
53
54	root	1.7	# reduces unnecessary redraws
55			$self->signal_connect_after (focus_in_event => sub { 1 });
56			$self->signal_connect_after (focus_out_event => sub { 1 });
57
58	root	1.1	$self->signal_connect (size_request => sub {
59			$_[1]->width (20 * TILESIZE);
60			$_[1]->height (20 * TILESIZE);
61
62			1
63			});
64
65	root	1.2	$self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });
66	root	1.1
67			$self->signal_connect_after (configure_event => sub {
68			$self->set_viewport ($self->{x}, $self->{y});
69	root	1.2
70			0
71	root	1.1	});
72
73	root	1.7	$self->{tooltip} = -2; # need to be mapped _and_ inside
74	root	1.2
75	root	1.7	$self->signal_connect_after (map_event => sub { $self->enable_tooltip; 0 });
76			$self->signal_connect_after (unmap_event => sub { $self->disable_tooltip; 0 });
77	root	1.2
78			$self->signal_connect_after (enter_notify_event => sub { $self->enable_tooltip; 0 });
79			$self->signal_connect_after (leave_notify_event => sub { $self->disable_tooltip; 0 });
80
81	root	1.1	$self->signal_connect (button_press_event => sub {
82			my ($self, $event) = @_;
83
84	root	1.5	my ($x, $y) = ($event->x, $event->y);
85	root	1.2
86	root	1.5	if ($_[1]->button == 2 && !$self->{in_drag}) {
87			$self->disable_tooltip;
88	root	1.1
89			$_[0]->grab_focus;
90			$self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
91	root	1.2	return 1;
92	root	1.1	}
93
94	root	1.2	0
95	root	1.1	});
96
97			$self->signal_connect (motion_notify_event => sub {
98			my ($self) = @_;
99
100	root	1.2	$self->update_tooltip;
101	root	1.1
102			if (my $di = $self->{in_drag}) {
103	root	1.2	my ($x, $y) = $self->get_pointer;
104
105	root	1.1	$self->set_viewport (
106			$di->[0] + $di->[2] - $x,
107			$di->[1] + $di->[3] - $y,
108			);
109
110	root	1.2	return 1;
111	root	1.1	}
112
113	root	1.2	0
114	root	1.1	});
115
116			$self->signal_connect (button_release_event => sub {
117			my ($self) = @_;
118
119	root	1.5	$self->enable_tooltip
120			if delete $self->{in_drag};
121	root	1.2
122	root	1.5	0
123	root	1.1	});
124
125			# gtk+ supports no motion compression, a major lacking feature. we have to pay for the
126			# workaround with incorrect behaviour and extra server-turnarounds.
127	root	1.8	$self->add_events ([qw(button_press_mask button_release_mask button-motion-mask
128	root	1.2	pointer-motion-mask pointer-motion-hint-mask
129			enter-notify-mask leave-notify-mask)]);
130	root	1.1	$self->can_focus (1);
131
132			# $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
133			}
134
135	root	1.2	sub enable_tooltip {
136			my ($self) = @_;
137
138			$self->{tooltip}++;
139			$self->update_tooltip;
140			}
141
142			sub disable_tooltip {
143			my ($self) = @_;
144
145			$self->{tooltip}--;
146			$self->update_tooltip;
147			}
148
149	root	1.3	sub overlay {
150			my ($self, $name, $x, $y, $w, $h, $cb) = @_;
151
152			if (my $ov = delete $self->{overlay}{$name}) {
153			my ($x, $y, $w, $h) = @$ov;
154
155			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
156			}
157
158			if ($h) {
159			$self->{overlay}{$name} = [$x, $y, $w, $h, $cb];
160
161			$self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
162			}
163			}
164
165	root	1.2	sub update_tooltip {
166			my ($self) = @_;
167
168			if ($self->{tooltip} >= 0) {
169			my $screen = $self->{window}->get_screen;
170			my ($pscreen, $x, $y) = $screen->get_display->get_pointer;
171
172			if ($pscreen == $screen) {
173			if (!$self->{tip}) {
174			$self->{tip} = new Gtk2::Window "popup";
175	root	1.3	$self->{tip}->can_focus (0);
176	root	1.2	$self->{tip}->set_name ("gtk-tooltips");
177			$self->{tip}->set_decorated (0);
178			$self->{tip}->set_border_width (4);
179	root	1.5	$self->{tip}->set_has_frame (0);
180			$self->{tip}->set_resizable (0);
181	root	1.8	$self->{tip}->set_transient_for ($self->get_toplevel);
182	root	1.2	}
183
184			my ($mx, $my) = $self->coord ($self->get_pointer);
185
186			if ($self->{tipinfo}[0] != $mx \|\| $self->{tipinfo}[1] != $my) {
187			$self->fill_tooltip ($mx, $my);
188
189			$self->{tipinfo} = [$mx, $my];
190	root	1.3
191			$self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
192			my ($self, $x, $y) = @_;
193
194			$self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
195			$x + $_, $y + $_,
196			TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
197			for 0..3;
198
199			my $req = $self->{tip}->size_request;
200			$self->{tip}->resize ($req->width, $req->height);
201			});
202
203			$self->{tip}->show_all;
204	root	1.2	}
205
206			$self->{tip}->move ($x + TILESIZE, $y);
207
208			return;
209			}
210			}
211
212	root	1.3	$self->overlay ("_tooltip");
213	root	1.2	delete $self->{tipinfo};
214			(delete $self->{tip})->destroy if $self->{tip};
215			}
216
217			sub fill_tooltip {
218			my ($self, $x, $y) = @_;
219
220			$self->{tip}->remove ($self->{tip}->get_children)
221			if $self->{tip}->get_children;
222
223			$self->{tip}->add (my $frame = new Gtk2::Frame "($x\|$y)");
224
225	root	1.6	# $frame->set_shadow_type ("none");
226	root	1.2
227			if ($x < 0 \|\| $x >= $self->{map}{width}
228			\|\| $y < 0 \|\| $y >= $self->{map}{height}) {
229			$frame->add (new Gtk2::Label "<off-map>");
230			} else {
231	root	1.6	$frame->add (my $vbox = new Gtk2::VBox 1, 1);
232	root	1.2
233			#TODO: fill tooltip via signal, defaulting to this:
234
235			# fill tooltip with info about $x, $y
236			my $as = $self->{map}{map}[$x][$y] \|\| [];
237			for my $a (@$as) {
238	root	1.6	$vbox->add (my $hbox = new Gtk2::HBox 0, 2);
239
240			my $tile = $Crossfire::Tilecache::TILECACHE{ $a->{face} \|\| $ARCH->{$a->{_name}}{face} };
241
242			# this is awful, is this really the best way?
243			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
244			$pb->fill (0x00000000);
245
246			$Crossfire::Tilecache::TILECACHE->composite ($pb,
247			0, 0,
248			TILESIZE, TILESIZE,
249			- ($tile->{idx} % 64) * TILESIZE, - TILESIZE * int $tile->{idx} / 64,
250			1, 1, 'nearest', 255
251			);
252
253			$hbox->add (my $img = new_from_pixbuf Gtk2::Image $pb);
254			$img->set_alignment (0, 0.5);
255
256			$hbox->add (my $label = new Gtk2::Label $a->{_name});
257	root	1.5	$label->set_alignment (0, 0.5);
258	root	1.2	}
259			}
260			}
261
262	root	1.1	sub set_viewport {
263			my ($self, $x, $y) = @_;
264
265			my $area = $self->allocation;
266
267			$x = max 0, min $self->{width} - $area->width , $x;
268			$y = max 0, min $self->{height} - $area->height, $y;
269
270			$self->window->scroll ($self->{x} - $x, $self->{y} - $y);
271
272			($self->{x}, $self->{y}) = ($x, $y);
273			}
274
275			sub set_map {
276			my ($self, $map) = @_;
277
278			$self->{map} = $map;
279
280			$self->{width} = $map->{width} * TILESIZE;
281			$self->{height} = $map->{height} * TILESIZE;
282
283			$self->{x} =
284			$self->{y} = 0;
285
286			delete $self->{face};
287			$self->update_map (0, 0, $self->{width}, $self->{height});
288	root	1.3	delete $self->{tipinfo};
289			$self->update_tooltip;
290	root	1.1	$self->invalidate_all;
291			}
292
293			sub coord {
294			my ($self, $x, $y) = @_;
295
296			(
297	root	1.4	int +($self->{x} + $x) / TILESIZE,
298			int +($self->{y} + $y) / TILESIZE,
299	root	1.1	)
300			}
301
302			#sub handle_key {
303			# my ($self, $key, $state) = @_;
304			#
305			# $self->prefetch_cancel;
306			#
307			# if ($state * "control-mask") {
308			# if ($key == $Gtk2::Gdk::Keysyms{g}) {
309			# my @sel = keys %{$self->{sel}};
310			# $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
311			# }
312			#
313			# 1
314			#}
315
316			sub invalidate {
317			my ($self, $x, $y, $w, $h) = @_;
318
319			return unless $self->{window};
320
321			$self->queue_draw_area (
322			map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
323			);
324			}
325
326			sub invalidate_all {
327			my ($self) = @_;
328
329			$self->queue_draw;
330			}
331
332			sub update_map {
333			my ($self, $x, $y, $w, $h) = @_;
334
335			delete $self->{overlay};
336
337			my $map = $self->{map}{map};
338			my $ov = $self->{face} \|\|= [];
339
340			$x = 0; $w = $self->{map}{width};
341			$y = 0; $h = $self->{map}{height};
342
343			my @x = ($x .. $x + $w - 1);
344			my @y = ($y .. $y + $h - 1);
345
346			my $TC = \%Crossfire::Tilecache::TILECACHE;
347
348			my @ov;
349
350			# update overlay map with bigfaces and chained faces
351			for my $x (@x) {
352			my $ass = $self->{map}{map}[$x];
353			my $oss = $ov->[$x] \|\|= [];
354			for my $y (@y) {
355			my $os = $oss->[$y] = [];
356			for my $a (@{ $ass->[$y] \|\| [] }) {
357			my $o = $ARCH->{$a->{_name}}
358			or (warn "arch '$a->{_name}' not found at ($x\|$y)\n"), next;
359
360			my $tile = $TC->{$a->{face} \|\| $o->{face}}
361			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
362
363			if ($tile->{w} > 1 \|\| $tile->{h} > 1) {
364			# bigfaces
365			for my $ox (0 .. $tile->{w} - 1) {
366			for my $oy (0 .. $tile->{h} - 1) {
367			push @ov, [$x + $ox, $y + $oy,
368			$tile->{idx} + $ox + $oy * $tile->{w}];
369			}
370			}
371
372			} elsif ($o->{more}) {
373			# linked faces
374			do {
375			my $tile = $TC->{$o->{face}}
376			or (warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n"), next;
377			push @ov, [$x + $o->{x}, $y + $o->{y}, $tile->{idx}];
378			} while $o = $o->{more};
379
380			} else {
381			# single face
382			push @$os, $tile->{idx};
383
384			}
385			}
386			}
387			}
388
389			# bigger faces always on top, I don't give a shit to those who think otherwise
390			for (@ov) {
391			my ($x, $y, $idx) = @$_;
392
393			push @{ $ov->[$x][$y] }, $idx;
394			}
395			}
396
397			sub expose {
398			my ($self, $event) = @_;
399
400			no integer;
401
402			my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
403			my $oy = $self->{y}; my $iy = int $oy / TILESIZE;
404
405			# get_rectangles is buggy in older versions
406			for my $area ($Gtk2::VERSION > 1.115 ? $event->region->get_rectangles : $event->area) {
407			my ($x, $y, $w, $h) = $area->values; # x y w h
408
409			my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
410			my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);
411
412			my $PB = $Crossfire::Tilecache::TILECACHE;
413
414			my $window = $self->{window};
415
416			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
417			$pb->fill (0x00000000);
418
419			for my $x (@x) {
420			my $dx = ($x - $x[0]) * TILESIZE;
421			my $oss = $self->{face}[$x];
422
423			for my $y (@y) {
424			my $dy = ($y - $y[0]) * TILESIZE;
425
426			for my $idx (@{$oss->[$y]}) {
427			$PB->composite ($pb,
428			$dx, $dy,
429			TILESIZE, TILESIZE,
430			$dx - ($idx % 64) * TILESIZE, $dy - TILESIZE * int $idx / 64,
431			1, 1, 'nearest', 255
432			);
433			}
434			}
435			}
436
437			$pb->render_to_drawable ($window, $self->style->black_gc,
438			0, 0,
439			$x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
440			TILESIZE * @x, TILESIZE * @y,
441			'max', 0, 0);
442			}
443	root	1.3
444			$_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
445			for values %{ $self->{overlay} \|\| {} };
446	root	1.1	}
447
448			=back
449
450			=head1 AUTHOR
451
452			Marc Lehmann <schmorp@schmorp.de>
453
454			=cut
455
456			1
457