gde/GCE/Util.pm

package GCE::Util;
=head1 NAME

   GCE::Util - some utility functions

=over 4

=cut

use base 'Exporter';

use Crossfire;

use Carp ();
use Storable;
use List::Util qw(min max);

use Crossfire;
use Crossfire::MapWidget;
use File::Spec::Functions;
use Cwd 'abs_path';

our @EXPORT = qw(insert_arch_stack_layer replace_arch_stack_layer new_arch_pb fill_pb_from_arch arch_is_floor stack_find_floor stack_find_wall stack_find arch_is_wall arch_is_monster add_table_widget quick_msg def arch_is_exit map2abs exit_paths);

sub exit_paths {
   my ($mappath, $map1path, $map2path) = @_;
   $mappath  = abs_path $mappath;
   $map1path = abs_path $map1path;
   $map2path = abs_path $map2path;

   if (    (substr $map1path, 0, length $mappath) eq $mappath
       and (substr $map2path, 0, length $mappath) eq $mappath) {
      substr $map1path, 0, length $mappath, '';
      substr $map2path, 0, length $mappath, '';

      my ($v1, $d1, $f1) = File::Spec->splitpath ($map1path);
      my ($v2, $d2, $f2) = File::Spec->splitpath ($map2path);

      my @di1 = File::Spec->splitdir ($d1);
      my @di2 = File::Spec->splitdir ($d2);

      if ((defined $di1[1]) and (defined $di2[1]) and $di1[1] eq $di2[1]) {
         my $m1 = File::Spec->abs2rel ($map1path, File::Spec->catdir (@di2));
         my $m2 = File::Spec->abs2rel ($map2path, File::Spec->catdir (@di1));
         return ($m1, $m2);
      } else {
         return ($map1path, $map2path);
      }
   } else {
      return ('', '');
   }
}

sub map2abs {
   my ($dest, $mape) = @_;

   my $dir;
   if (File::Spec->file_name_is_absolute($dest)) {
      $dir = catdir ($::CFG->{MAPDIR}, $dest);
   } else {
      my ($v, $p, $f) = File::Spec->splitpath ($mape->{path});
      $dir = File::Spec->rel2abs ($dest, File::Spec->catpath ($v, $p));
   }
   return $dir;
}

sub def($$) {
   return defined ($_[0]) ? $_[0] : $_[1];
}

sub quick_msg {
   my $wid = shift;
   my $msg;
   my $win = $::MAINWIN;
   if (ref $wid) {
      $win = $wid;
      $msg = shift;
   } else {
      $msg = $wid;
   }
   my $dia = Gtk2::Dialog->new ('Message', $win, 'destroy-with-parent', 'gtk-ok' => 'none');

   my $lbl = Gtk2::Label->new ($msg);
   $dia->vbox->add ($lbl);
   $dia->signal_connect (response => sub { $_[0]->destroy });

   unless (defined $_[0]) {
      Glib::Timeout->add (1000, sub { $dia->destroy; 0 });
   }

   $dia->show_all;
}

sub new_arch_pb {
   # this is awful, is this really the best way?
   my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
   return $pb;
}

sub fill_pb_from_arch {
   my ($pb, $a) = @_;

   my $o = $Crossfire::ARCH{$a->{_name}};
   my $face = $Crossfire::FACE{$a->{face} || $o->{face} || "blank.111"}
            or warn "no gfx found for arch '$a->{_name}' at ($x|$y)\n";

   $face or return;

   $pb->fill (0x00000000);
   $TILE->composite ($pb,
      0, 0,
      TILESIZE, TILESIZE,
      - ($face->{idx} % 64) * TILESIZE, - TILESIZE * int $face->{idx} / 64,
      1, 1, 'nearest', 255
   );
}

sub classify_arch_layer {
   my ($arch) = @_;

   if ($arch->{invisible}) { # just a heuristic for 'special' tiles (er. pedestals)

      return 'below';

   } elsif ($arch->{monster}) {

      return 'top';

   } else { # $arch->{is_floor} and all other arches are 'between' monsters and floor

      return 'between';
   }
}

sub arch_is_exit {
   my ($a) = @_;
   my $type = $Crossfire::ARCH{$a->{_name}}->{type};
   return $type eq '66' || $type eq '41';
}

sub arch_is_floor {
   my ($a) = @_;
   my $ar = Crossfire::arch_attr $a;
   return (substr $ar->{name}, 0, 5) eq 'Floor';
#return $Crossfire::ARCH{$a->{_name}}->{is_floor};
}

sub arch_is_wall {
   my ($a) = @_;
   my $ar = Crossfire::arch_attr $a;
   return $ar->{name} eq 'Wall';
#return $Crossfire::ARCH{$a->{_name}}->{no_pass};
}

sub arch_is_monster {
   my ($a) = @_;
   my $arch = $Crossfire::ARCH{$a->{_name}};
   return $arch->{alive} and ($arch->{monster} or $arch->{generator});
}

sub stack_find {
   my ($stack, $dir, $pred) = @_;


   if ($dir eq 'from_top') {
      my $i = scalar (@$stack) - 1;
      if ($i < 0) { $i = 0 }

      for (reverse @$stack) {
         $pred->($_)
            and return $i;

         $i--;
      }

   } else {
      my $i = 0;

      for (@$stack) {
         $pred->($_)
            and return $i;

         $i++;
      }
   }

   return 0;

}

sub stack_find_floor {
   my ($stack, $dir) = @_;
   return stack_find ($stack, $dir, \&arch_is_floor);
}

sub stack_find_wall {
   my ($stack, $dir) = @_;
   return stack_find ($stack, $dir, \&arch_is_wall);
}

sub insert_arch_stack_layer {
   my ($stack, $arch) = @_;

   unless (@$stack) {
      return [ $arch ];
   }

   my @outstack;

   my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});

   if ($l eq 'between') {

      # loop until we reached the first 'between' arch above 'below' arches and the floor
      while (my $a = shift @$stack) {

         unless ($Crossfire::ARCH{$a->{_name}}->{is_floor}
                 or classify_arch_layer ($Crossfire::ARCH{$a->{_name}}) eq 'below') {

            unshift @$stack, $a;
            last;
         }

         push @outstack, $a;
      }

      # ignore duplicates
      # FIXME: Broken if non-floor are drawn (too tired to fix)
      return [ @outstack, @$stack ]
         if @outstack and $outstack[-1]->{_name} eq $arch->{_name};

      push @outstack, ($arch, @$stack);

   } elsif ($l eq 'top') {

      # ignore duplicates
      return [ @$stack ]
         if $stack->[-1]->{_name} eq $arch->{_name};

      @outstack = (@$stack, $arch);

   } else {

      # ignore duplicates
      return [ @$stack ]
         if $stack->[0]->{_name} eq $arch->{_name};

      @outstack = ($arch, @$stack);
   }

   return \@outstack;
}

sub add_table_widget {
   my ($table, $row, $data, $type, $cb) = @_;
   my $edwid;

   if ($type eq 'string') {
      $table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
      $edwid = Gtk2::Entry->new;
         $edwid->set_text ($data->[1]);
         $edwid->signal_connect (changed => sub {
            $data->[1] = $_[0]->get_text;
            $cb->($data->[1]) if $cb;
         });
      $table->attach_defaults ($edwid, 1, 2, $row, $row + 1);

   } elsif ($type eq 'button') {
      $table->attach_defaults (my $b = Gtk2::Button->new_with_label ($data), 0, 2, $row, $row + 1);
      $b->signal_connect (clicked => ($cb || sub {}));

   } elsif ($type eq 'label') {
      $table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
      $edwid = Gtk2::Label->new ($data->[1]);
      $table->attach_defaults ($edwid, 1, 2, $row, $row + 1);

   } else {
      $edwid = Gtk2::Label->new ("FOO");
   }
}

sub replace_arch_stack_layer {
   my ($stack, $arch) = @_;

   my @outstack;

   my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});

   if ($l eq 'between') {

      while (shift @$stack) {
         last unless $Crossfire::ARCH{$_->{_name}}->{is_floor};
         push @outstack, $_;
      }

      if (@outstack and $Crossfire::ARCH{$outstack[-1]->{_name}}->{is_floor}) {
         pop @outstack;
      }

      push @outstack, ($arch, @$stack);

   } elsif ($l eq 'top') {

      @outstack = (@$stack, $arch);

   } else {

      @outstack = ($arch, @$stack);
   }

   return \@outstack;
}

=head1 AUTHOR

 Marc Lehmann <schmorp@schmorp.de>
 http://home.schmorp.de/

 Robin Redeker <elmex@ta-sa.org>
 http://www.ta-sa.org/

=cut
1;
Revision:	1.13
Committed:	Sat Apr 1 18:45:05 2006 UTC (18 years, 3 months ago) by elmex
Branch:	MAIN
Changes since 1.12:	+31 -1 lines
Log Message:	some improvements
#	User	Rev	Content
1	elmex	1.1	package GCE::Util;
2			=head1 NAME
3
4			GCE::Util - some utility functions
5
6			=over 4
7
8			=cut
9
10			use base 'Exporter';
11
12			use Crossfire;
13
14			use Carp ();
15			use Storable;
16			use List::Util qw(min max);
17
18	elmex	1.2	use Crossfire;
19			use Crossfire::MapWidget;
20	elmex	1.8	use File::Spec::Functions;
21	elmex	1.13	use Cwd 'abs_path';
22	elmex	1.2
23	elmex	1.13	our @EXPORT = qw(insert_arch_stack_layer replace_arch_stack_layer new_arch_pb fill_pb_from_arch arch_is_floor stack_find_floor stack_find_wall stack_find arch_is_wall arch_is_monster add_table_widget quick_msg def arch_is_exit map2abs exit_paths);
24
25			sub exit_paths {
26			my ($mappath, $map1path, $map2path) = @_;
27			$mappath = abs_path $mappath;
28			$map1path = abs_path $map1path;
29			$map2path = abs_path $map2path;
30
31			if ( (substr $map1path, 0, length $mappath) eq $mappath
32			and (substr $map2path, 0, length $mappath) eq $mappath) {
33			substr $map1path, 0, length $mappath, '';
34			substr $map2path, 0, length $mappath, '';
35
36			my ($v1, $d1, $f1) = File::Spec->splitpath ($map1path);
37			my ($v2, $d2, $f2) = File::Spec->splitpath ($map2path);
38
39			my @di1 = File::Spec->splitdir ($d1);
40			my @di2 = File::Spec->splitdir ($d2);
41
42			if ((defined $di1[1]) and (defined $di2[1]) and $di1[1] eq $di2[1]) {
43			my $m1 = File::Spec->abs2rel ($map1path, File::Spec->catdir (@di2));
44			my $m2 = File::Spec->abs2rel ($map2path, File::Spec->catdir (@di1));
45			return ($m1, $m2);
46			} else {
47			return ($map1path, $map2path);
48			}
49			} else {
50			return ('', '');
51			}
52			}
53	elmex	1.8
54			sub map2abs {
55			my ($dest, $mape) = @_;
56
57			my $dir;
58			if (File::Spec->file_name_is_absolute($dest)) {
59	elmex	1.11	$dir = catdir ($::CFG->{MAPDIR}, $dest);
60	elmex	1.8	} else {
61			my ($v, $p, $f) = File::Spec->splitpath ($mape->{path});
62			$dir = File::Spec->rel2abs ($dest, File::Spec->catpath ($v, $p));
63			}
64			return $dir;
65			}
66	elmex	1.5
67			sub def($$) {
68			return defined ($_[0]) ? $_[0] : $_[1];
69			}
70
71			sub quick_msg {
72			my $wid = shift;
73			my $msg;
74			my $win = $::MAINWIN;
75			if (ref $wid) {
76			$win = $wid;
77			$msg = shift;
78			} else {
79			$msg = $wid;
80			}
81			my $dia = Gtk2::Dialog->new ('Message', $win, 'destroy-with-parent', 'gtk-ok' => 'none');
82
83			my $lbl = Gtk2::Label->new ($msg);
84			$dia->vbox->add ($lbl);
85			$dia->signal_connect (response => sub { $_[0]->destroy });
86
87			unless (defined $_[0]) {
88			Glib::Timeout->add (1000, sub { $dia->destroy; 0 });
89			}
90
91			$dia->show_all;
92			}
93	elmex	1.2
94			sub new_arch_pb {
95			# this is awful, is this really the best way?
96			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
97			return $pb;
98			}
99
100			sub fill_pb_from_arch {
101	elmex	1.6	my ($pb, $a) = @_;
102
103			my $o = $Crossfire::ARCH{$a->{_name}};
104			my $face = $Crossfire::FACE{$a->{face} \|\| $o->{face} \|\| "blank.111"}
105			or warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n";
106
107			$face or return;
108	elmex	1.2
109			$pb->fill (0x00000000);
110			$TILE->composite ($pb,
111			0, 0,
112			TILESIZE, TILESIZE,
113	elmex	1.6	- ($face->{idx} % 64) * TILESIZE, - TILESIZE * int $face->{idx} / 64,
114	elmex	1.2	1, 1, 'nearest', 255
115			);
116			}
117	elmex	1.1
118			sub classify_arch_layer {
119			my ($arch) = @_;
120
121			if ($arch->{invisible}) { # just a heuristic for 'special' tiles (er. pedestals)
122
123			return 'below';
124
125			} elsif ($arch->{monster}) {
126
127			return 'top';
128
129			} else { # $arch->{is_floor} and all other arches are 'between' monsters and floor
130
131			return 'between';
132			}
133			}
134
135	elmex	1.7	sub arch_is_exit {
136			my ($a) = @_;
137			my $type = $Crossfire::ARCH{$a->{_name}}->{type};
138			return $type eq '66' \|\| $type eq '41';
139			}
140
141	elmex	1.2	sub arch_is_floor {
142			my ($a) = @_;
143	elmex	1.10	my $ar = Crossfire::arch_attr $a;
144	elmex	1.12	return (substr $ar->{name}, 0, 5) eq 'Floor';
145	elmex	1.10	#return $Crossfire::ARCH{$a->{_name}}->{is_floor};
146	elmex	1.2	}
147
148			sub arch_is_wall {
149			my ($a) = @_;
150	elmex	1.10	my $ar = Crossfire::arch_attr $a;
151			return $ar->{name} eq 'Wall';
152			#return $Crossfire::ARCH{$a->{_name}}->{no_pass};
153	elmex	1.2	}
154
155	elmex	1.3	sub arch_is_monster {
156			my ($a) = @_;
157			my $arch = $Crossfire::ARCH{$a->{_name}};
158			return $arch->{alive} and ($arch->{monster} or $arch->{generator});
159			}
160
161	elmex	1.2	sub stack_find {
162			my ($stack, $dir, $pred) = @_;
163
164
165			if ($dir eq 'from_top') {
166			my $i = scalar (@$stack) - 1;
167			if ($i < 0) { $i = 0 }
168
169			for (reverse @$stack) {
170			$pred->($_)
171			and return $i;
172
173			$i--;
174			}
175
176			} else {
177			my $i = 0;
178
179			for (@$stack) {
180			$pred->($_)
181			and return $i;
182
183			$i++;
184			}
185			}
186
187			return 0;
188
189			}
190
191			sub stack_find_floor {
192			my ($stack, $dir) = @_;
193			return stack_find ($stack, $dir, \&arch_is_floor);
194			}
195
196			sub stack_find_wall {
197			my ($stack, $dir) = @_;
198			return stack_find ($stack, $dir, \&arch_is_wall);
199			}
200
201	elmex	1.1	sub insert_arch_stack_layer {
202			my ($stack, $arch) = @_;
203
204			unless (@$stack) {
205			return [ $arch ];
206			}
207
208			my @outstack;
209
210			my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});
211
212			if ($l eq 'between') {
213
214			# loop until we reached the first 'between' arch above 'below' arches and the floor
215			while (my $a = shift @$stack) {
216
217			unless ($Crossfire::ARCH{$a->{_name}}->{is_floor}
218			or classify_arch_layer ($Crossfire::ARCH{$a->{_name}}) eq 'below') {
219
220			unshift @$stack, $a;
221			last;
222			}
223
224			push @outstack, $a;
225			}
226
227			# ignore duplicates
228			# FIXME: Broken if non-floor are drawn (too tired to fix)
229			return [ @outstack, @$stack ]
230			if @outstack and $outstack[-1]->{_name} eq $arch->{_name};
231
232			push @outstack, ($arch, @$stack);
233
234			} elsif ($l eq 'top') {
235
236			# ignore duplicates
237			return [ @$stack ]
238			if $stack->[-1]->{_name} eq $arch->{_name};
239
240			@outstack = (@$stack, $arch);
241
242			} else {
243
244			# ignore duplicates
245			return [ @$stack ]
246			if $stack->[0]->{_name} eq $arch->{_name};
247
248			@outstack = ($arch, @$stack);
249			}
250
251			return \@outstack;
252			}
253
254	elmex	1.4	sub add_table_widget {
255			my ($table, $row, $data, $type, $cb) = @_;
256			my $edwid;
257
258			if ($type eq 'string') {
259			$table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
260			$edwid = Gtk2::Entry->new;
261			$edwid->set_text ($data->[1]);
262			$edwid->signal_connect (changed => sub {
263			$data->[1] = $_[0]->get_text;
264			$cb->($data->[1]) if $cb;
265			});
266			$table->attach_defaults ($edwid, 1, 2, $row, $row + 1);
267
268			} elsif ($type eq 'button') {
269			$table->attach_defaults (my $b = Gtk2::Button->new_with_label ($data), 0, 2, $row, $row + 1);
270			$b->signal_connect (clicked => ($cb \|\| sub {}));
271
272			} elsif ($type eq 'label') {
273			$table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
274			$edwid = Gtk2::Label->new ($data->[1]);
275			$table->attach_defaults ($edwid, 1, 2, $row, $row + 1);
276
277			} else {
278			$edwid = Gtk2::Label->new ("FOO");
279			}
280			}
281
282	elmex	1.1	sub replace_arch_stack_layer {
283			my ($stack, $arch) = @_;
284
285			my @outstack;
286
287			my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});
288
289			if ($l eq 'between') {
290
291			while (shift @$stack) {
292			last unless $Crossfire::ARCH{$_->{_name}}->{is_floor};
293			push @outstack, $_;
294			}
295
296			if (@outstack and $Crossfire::ARCH{$outstack[-1]->{_name}}->{is_floor}) {
297			pop @outstack;
298			}
299
300			push @outstack, ($arch, @$stack);
301
302			} elsif ($l eq 'top') {
303
304			@outstack = (@$stack, $arch);
305
306			} else {
307
308			@outstack = ($arch, @$stack);
309			}
310
311			return \@outstack;
312			}
313
314			=head1 AUTHOR
315
316			Marc Lehmann <schmorp@schmorp.de>
317			http://home.schmorp.de/
318
319			Robin Redeker <elmex@ta-sa.org>
320			http://www.ta-sa.org/
321
322			=cut
323			1;