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;

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);

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 $ar->{name} 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:	1.10
Committed:	Tue Mar 21 01:02:14 2006 UTC (18 years, 2 months ago) by elmex
Branch:	MAIN
Changes since 1.9:	+6 -2 lines
Log Message:	replaced the is_floor and is_wall functions by more intelligent functions which check for the informations from the xml file.
#	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	1.2
22	elmex	1.8	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);
23
24			sub map2abs {
25			my ($dest, $mape) = @_;
26
27			my $dir;
28			if (File::Spec->file_name_is_absolute($dest)) {
29	elmex	1.9	$dir = catdir ($CFG->{MAPDIR}, $dest);
30	elmex	1.8	} else {
31			my ($v, $p, $f) = File::Spec->splitpath ($mape->{path});
32			$dir = File::Spec->rel2abs ($dest, File::Spec->catpath ($v, $p));
33			}
34			return $dir;
35			}
36	elmex	1.5
37			sub def($$) {
38			return defined ($_[0]) ? $_[0] : $_[1];
39			}
40
41			sub quick_msg {
42			my $wid = shift;
43			my $msg;
44			my $win = $::MAINWIN;
45			if (ref $wid) {
46			$win = $wid;
47			$msg = shift;
48			} else {
49			$msg = $wid;
50			}
51			my $dia = Gtk2::Dialog->new ('Message', $win, 'destroy-with-parent', 'gtk-ok' => 'none');
52
53			my $lbl = Gtk2::Label->new ($msg);
54			$dia->vbox->add ($lbl);
55			$dia->signal_connect (response => sub { $_[0]->destroy });
56
57			unless (defined $_[0]) {
58			Glib::Timeout->add (1000, sub { $dia->destroy; 0 });
59			}
60
61			$dia->show_all;
62			}
63	elmex	1.2
64			sub new_arch_pb {
65			# this is awful, is this really the best way?
66			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
67			return $pb;
68			}
69
70			sub fill_pb_from_arch {
71	elmex	1.6	my ($pb, $a) = @_;
72
73			my $o = $Crossfire::ARCH{$a->{_name}};
74			my $face = $Crossfire::FACE{$a->{face} \|\| $o->{face} \|\| "blank.111"}
75			or warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n";
76
77			$face or return;
78	elmex	1.2
79			$pb->fill (0x00000000);
80			$TILE->composite ($pb,
81			0, 0,
82			TILESIZE, TILESIZE,
83	elmex	1.6	- ($face->{idx} % 64) * TILESIZE, - TILESIZE * int $face->{idx} / 64,
84	elmex	1.2	1, 1, 'nearest', 255
85			);
86			}
87	elmex	1.1
88			sub classify_arch_layer {
89			my ($arch) = @_;
90
91			if ($arch->{invisible}) { # just a heuristic for 'special' tiles (er. pedestals)
92
93			return 'below';
94
95			} elsif ($arch->{monster}) {
96
97			return 'top';
98
99			} else { # $arch->{is_floor} and all other arches are 'between' monsters and floor
100
101			return 'between';
102			}
103			}
104
105	elmex	1.7	sub arch_is_exit {
106			my ($a) = @_;
107			my $type = $Crossfire::ARCH{$a->{_name}}->{type};
108			return $type eq '66' \|\| $type eq '41';
109			}
110
111	elmex	1.2	sub arch_is_floor {
112			my ($a) = @_;
113	elmex	1.10	my $ar = Crossfire::arch_attr $a;
114			return $ar->{name} eq 'Floor';
115			#return $Crossfire::ARCH{$a->{_name}}->{is_floor};
116	elmex	1.2	}
117
118			sub arch_is_wall {
119			my ($a) = @_;
120	elmex	1.10	my $ar = Crossfire::arch_attr $a;
121			return $ar->{name} eq 'Wall';
122			#return $Crossfire::ARCH{$a->{_name}}->{no_pass};
123	elmex	1.2	}
124
125	elmex	1.3	sub arch_is_monster {
126			my ($a) = @_;
127			my $arch = $Crossfire::ARCH{$a->{_name}};
128			return $arch->{alive} and ($arch->{monster} or $arch->{generator});
129			}
130
131	elmex	1.2	sub stack_find {
132			my ($stack, $dir, $pred) = @_;
133
134
135			if ($dir eq 'from_top') {
136			my $i = scalar (@$stack) - 1;
137			if ($i < 0) { $i = 0 }
138
139			for (reverse @$stack) {
140			$pred->($_)
141			and return $i;
142
143			$i--;
144			}
145
146			} else {
147			my $i = 0;
148
149			for (@$stack) {
150			$pred->($_)
151			and return $i;
152
153			$i++;
154			}
155			}
156
157			return 0;
158
159			}
160
161			sub stack_find_floor {
162			my ($stack, $dir) = @_;
163			return stack_find ($stack, $dir, \&arch_is_floor);
164			}
165
166			sub stack_find_wall {
167			my ($stack, $dir) = @_;
168			return stack_find ($stack, $dir, \&arch_is_wall);
169			}
170
171	elmex	1.1	sub insert_arch_stack_layer {
172			my ($stack, $arch) = @_;
173
174			unless (@$stack) {
175			return [ $arch ];
176			}
177
178			my @outstack;
179
180			my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});
181
182			if ($l eq 'between') {
183
184			# loop until we reached the first 'between' arch above 'below' arches and the floor
185			while (my $a = shift @$stack) {
186
187			unless ($Crossfire::ARCH{$a->{_name}}->{is_floor}
188			or classify_arch_layer ($Crossfire::ARCH{$a->{_name}}) eq 'below') {
189
190			unshift @$stack, $a;
191			last;
192			}
193
194			push @outstack, $a;
195			}
196
197			# ignore duplicates
198			# FIXME: Broken if non-floor are drawn (too tired to fix)
199			return [ @outstack, @$stack ]
200			if @outstack and $outstack[-1]->{_name} eq $arch->{_name};
201
202			push @outstack, ($arch, @$stack);
203
204			} elsif ($l eq 'top') {
205
206			# ignore duplicates
207			return [ @$stack ]
208			if $stack->[-1]->{_name} eq $arch->{_name};
209
210			@outstack = (@$stack, $arch);
211
212			} else {
213
214			# ignore duplicates
215			return [ @$stack ]
216			if $stack->[0]->{_name} eq $arch->{_name};
217
218			@outstack = ($arch, @$stack);
219			}
220
221			return \@outstack;
222			}
223
224	elmex	1.4	sub add_table_widget {
225			my ($table, $row, $data, $type, $cb) = @_;
226			my $edwid;
227
228			if ($type eq 'string') {
229			$table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
230			$edwid = Gtk2::Entry->new;
231			$edwid->set_text ($data->[1]);
232			$edwid->signal_connect (changed => sub {
233			$data->[1] = $_[0]->get_text;
234			$cb->($data->[1]) if $cb;
235			});
236			$table->attach_defaults ($edwid, 1, 2, $row, $row + 1);
237
238			} elsif ($type eq 'button') {
239			$table->attach_defaults (my $b = Gtk2::Button->new_with_label ($data), 0, 2, $row, $row + 1);
240			$b->signal_connect (clicked => ($cb \|\| sub {}));
241
242			} elsif ($type eq 'label') {
243			$table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
244			$edwid = Gtk2::Label->new ($data->[1]);
245			$table->attach_defaults ($edwid, 1, 2, $row, $row + 1);
246
247			} else {
248			$edwid = Gtk2::Label->new ("FOO");
249			}
250			}
251
252	elmex	1.1	sub replace_arch_stack_layer {
253			my ($stack, $arch) = @_;
254
255			my @outstack;
256
257			my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});
258
259			if ($l eq 'between') {
260
261			while (shift @$stack) {
262			last unless $Crossfire::ARCH{$_->{_name}}->{is_floor};
263			push @outstack, $_;
264			}
265
266			if (@outstack and $Crossfire::ARCH{$outstack[-1]->{_name}}->{is_floor}) {
267			pop @outstack;
268			}
269
270			push @outstack, ($arch, @$stack);
271
272			} elsif ($l eq 'top') {
273
274			@outstack = (@$stack, $arch);
275
276			} else {
277
278			@outstack = ($arch, @$stack);
279			}
280
281			return \@outstack;
282			}
283
284			=head1 AUTHOR
285
286			Marc Lehmann <schmorp@schmorp.de>
287			http://home.schmorp.de/
288
289			Robin Redeker <elmex@ta-sa.org>
290			http://www.ta-sa.org/
291
292			=cut
293			1;