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;

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);

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) = @_;
   return $Crossfire::ARCH{$a->{_name}}->{is_floor};
}

sub arch_is_wall {
   my ($a) = @_;
   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:	1.7
Committed:	Fri Mar 17 01:18:01 2006 UTC (18 years, 2 months ago) by elmex
Branch:	MAIN
Changes since 1.6:	+7 -1 lines
Log Message:	fixed follow exit
#	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
21	elmex	1.7	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);
22	elmex	1.5
23			sub def($$) {
24			return defined ($_[0]) ? $_[0] : $_[1];
25			}
26
27			sub quick_msg {
28			my $wid = shift;
29			my $msg;
30			my $win = $::MAINWIN;
31			if (ref $wid) {
32			$win = $wid;
33			$msg = shift;
34			} else {
35			$msg = $wid;
36			}
37			my $dia = Gtk2::Dialog->new ('Message', $win, 'destroy-with-parent', 'gtk-ok' => 'none');
38
39			my $lbl = Gtk2::Label->new ($msg);
40			$dia->vbox->add ($lbl);
41			$dia->signal_connect (response => sub { $_[0]->destroy });
42
43			unless (defined $_[0]) {
44			Glib::Timeout->add (1000, sub { $dia->destroy; 0 });
45			}
46
47			$dia->show_all;
48			}
49	elmex	1.2
50			sub new_arch_pb {
51			# this is awful, is this really the best way?
52			my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
53			return $pb;
54			}
55
56			sub fill_pb_from_arch {
57	elmex	1.6	my ($pb, $a) = @_;
58
59			my $o = $Crossfire::ARCH{$a->{_name}};
60			my $face = $Crossfire::FACE{$a->{face} \|\| $o->{face} \|\| "blank.111"}
61			or warn "no gfx found for arch '$a->{_name}' at ($x\|$y)\n";
62
63			$face or return;
64	elmex	1.2
65			$pb->fill (0x00000000);
66			$TILE->composite ($pb,
67			0, 0,
68			TILESIZE, TILESIZE,
69	elmex	1.6	- ($face->{idx} % 64) * TILESIZE, - TILESIZE * int $face->{idx} / 64,
70	elmex	1.2	1, 1, 'nearest', 255
71			);
72			}
73	elmex	1.1
74			sub classify_arch_layer {
75			my ($arch) = @_;
76
77			if ($arch->{invisible}) { # just a heuristic for 'special' tiles (er. pedestals)
78
79			return 'below';
80
81			} elsif ($arch->{monster}) {
82
83			return 'top';
84
85			} else { # $arch->{is_floor} and all other arches are 'between' monsters and floor
86
87			return 'between';
88			}
89			}
90
91	elmex	1.7	sub arch_is_exit {
92			my ($a) = @_;
93			my $type = $Crossfire::ARCH{$a->{_name}}->{type};
94			return $type eq '66' \|\| $type eq '41';
95			}
96
97	elmex	1.2	sub arch_is_floor {
98			my ($a) = @_;
99			return $Crossfire::ARCH{$a->{_name}}->{is_floor};
100			}
101
102			sub arch_is_wall {
103			my ($a) = @_;
104			return $Crossfire::ARCH{$a->{_name}}->{no_pass};
105			}
106
107	elmex	1.3	sub arch_is_monster {
108			my ($a) = @_;
109			my $arch = $Crossfire::ARCH{$a->{_name}};
110			return $arch->{alive} and ($arch->{monster} or $arch->{generator});
111			}
112
113	elmex	1.2	sub stack_find {
114			my ($stack, $dir, $pred) = @_;
115
116
117			if ($dir eq 'from_top') {
118			my $i = scalar (@$stack) - 1;
119			if ($i < 0) { $i = 0 }
120
121			for (reverse @$stack) {
122			$pred->($_)
123			and return $i;
124
125			$i--;
126			}
127
128			} else {
129			my $i = 0;
130
131			for (@$stack) {
132			$pred->($_)
133			and return $i;
134
135			$i++;
136			}
137			}
138
139			return 0;
140
141			}
142
143			sub stack_find_floor {
144			my ($stack, $dir) = @_;
145			return stack_find ($stack, $dir, \&arch_is_floor);
146			}
147
148			sub stack_find_wall {
149			my ($stack, $dir) = @_;
150			return stack_find ($stack, $dir, \&arch_is_wall);
151			}
152
153	elmex	1.1	sub insert_arch_stack_layer {
154			my ($stack, $arch) = @_;
155
156			unless (@$stack) {
157			return [ $arch ];
158			}
159
160			my @outstack;
161
162			my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});
163
164			if ($l eq 'between') {
165
166			# loop until we reached the first 'between' arch above 'below' arches and the floor
167			while (my $a = shift @$stack) {
168
169			unless ($Crossfire::ARCH{$a->{_name}}->{is_floor}
170			or classify_arch_layer ($Crossfire::ARCH{$a->{_name}}) eq 'below') {
171
172			unshift @$stack, $a;
173			last;
174			}
175
176			push @outstack, $a;
177			}
178
179			# ignore duplicates
180			# FIXME: Broken if non-floor are drawn (too tired to fix)
181			return [ @outstack, @$stack ]
182			if @outstack and $outstack[-1]->{_name} eq $arch->{_name};
183
184			push @outstack, ($arch, @$stack);
185
186			} elsif ($l eq 'top') {
187
188			# ignore duplicates
189			return [ @$stack ]
190			if $stack->[-1]->{_name} eq $arch->{_name};
191
192			@outstack = (@$stack, $arch);
193
194			} else {
195
196			# ignore duplicates
197			return [ @$stack ]
198			if $stack->[0]->{_name} eq $arch->{_name};
199
200			@outstack = ($arch, @$stack);
201			}
202
203			return \@outstack;
204			}
205
206	elmex	1.4	sub add_table_widget {
207			my ($table, $row, $data, $type, $cb) = @_;
208			my $edwid;
209
210			if ($type eq 'string') {
211			$table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
212			$edwid = Gtk2::Entry->new;
213			$edwid->set_text ($data->[1]);
214			$edwid->signal_connect (changed => sub {
215			$data->[1] = $_[0]->get_text;
216			$cb->($data->[1]) if $cb;
217			});
218			$table->attach_defaults ($edwid, 1, 2, $row, $row + 1);
219
220			} elsif ($type eq 'button') {
221			$table->attach_defaults (my $b = Gtk2::Button->new_with_label ($data), 0, 2, $row, $row + 1);
222			$b->signal_connect (clicked => ($cb \|\| sub {}));
223
224			} elsif ($type eq 'label') {
225			$table->attach_defaults (my $lbl = Gtk2::Label->new ($data->[0]), 0, 1, $row, $row + 1);
226			$edwid = Gtk2::Label->new ($data->[1]);
227			$table->attach_defaults ($edwid, 1, 2, $row, $row + 1);
228
229			} else {
230			$edwid = Gtk2::Label->new ("FOO");
231			}
232			}
233
234	elmex	1.1	sub replace_arch_stack_layer {
235			my ($stack, $arch) = @_;
236
237			my @outstack;
238
239			my $l = classify_arch_layer ($Crossfire::ARCH{$arch->{_name}});
240
241			if ($l eq 'between') {
242
243			while (shift @$stack) {
244			last unless $Crossfire::ARCH{$_->{_name}}->{is_floor};
245			push @outstack, $_;
246			}
247
248			if (@outstack and $Crossfire::ARCH{$outstack[-1]->{_name}}->{is_floor}) {
249			pop @outstack;
250			}
251
252			push @outstack, ($arch, @$stack);
253
254			} elsif ($l eq 'top') {
255
256			@outstack = (@$stack, $arch);
257
258			} else {
259
260			@outstack = ($arch, @$stack);
261			}
262
263			return \@outstack;
264			}
265
266			=head1 AUTHOR
267
268			Marc Lehmann <schmorp@schmorp.de>
269			http://home.schmorp.de/
270
271			Robin Redeker <elmex@ta-sa.org>
272			http://www.ta-sa.org/
273
274			=cut
275			1;