deliantra/Deliantra/Deliantra.pm

=head1 NAME

Crossfire - Crossfire maphandling

=cut

package Crossfire;

our $VERSION = '0.1';

use strict;

use base 'Exporter';

use Carp ();
use Storable;

#XXX: The map_* procedures scream for a map-object

our @EXPORT =
   qw(read_pak read_arch $ARCH TILESIZE editor_archs 
      arch_extends 
      map_get_tile_stack map_push_tile_stack map_pop_tile_stack
   );

our $LIB = $ENV{CROSSFIRE_LIBDIR}
   or Carp::croak "\$CROSSFIRE_LIBDIR must be set\n";

sub TILESIZE (){ 32 }

our $ARCH;

our %FIELD_MULTILINE = (
   msg => "endmsg",
);

# not used yet, maybe alphabetical is ok
our @FIELD_ORDER = (qw(name name_pl));

# not used yet, AND NOT CHECKED, should also be BY TYPE
our %FIELD_NORMALIZE = (
   "enter_x" => "hp",
   "enter_y" => "sp",
);

sub read_pak($;$) {
   my ($path, $cache) = @_;

   eval {
      defined $cache
      && -M $cache < -M $path
      && Storable::retrieve $cache
   } or do {
      my %pak;

      open my $fh, "<:raw", $path
         or Carp::croak "$_[0]: $!";
      while (<$fh>) {
         my ($type, $id, $len, $path) = split;
         $path =~ s/.*\///;
         read $fh, $pak{$path}, $len;
      }

      Storable::nstore \%pak, $cache
         if defined $cache;

      \%pak
   }
}

sub read_arch($;$) {
   my ($path, $cache) = @_;

   eval {
      defined $cache
      && -M $cache < -M $path
      && Storable::retrieve $cache
   } or do {
      my %arc;
      my ($more, $prev);

      open my $fh, "<:raw", $path
         or Carp::croak "$path: $!";

      my $parse_block; $parse_block = sub {
         my %arc = @_;

         while (<$fh>) {
            s/\s+$//;
            if (/^end$/i) {
               last;
            } elsif (/^arch (\S+)$/) {
               push @{ $arc{inventory} }, $parse_block->(_name => $1);
            } elsif (/^lore$/) {
               while (<$fh>) {
                  last if /^endlore\s*$/i;
                  $arc{lore} .= $_;
               }
            } elsif (/^msg$/) {
               while (<$fh>) {
                  last if /^endmsg\s*$/i;
                  $arc{msg} .= $_;
               }
            } elsif (/^(\S+)\s*(.*)$/) {
               $arc{lc $1} = $2;
            } elsif (/^\s*($|#)/) {
               #
            } else {
               warn "$path: unparsable line '$_' in arch $arc{_name}";
            }
         }

         \%arc
      };

      while (<$fh>) {
         s/\s+$//;
         if (/^more$/i) {
            $more = $prev;
         } elsif (/^object (\S+)$/i) {
            my $name = $1;
            my $arc = $parse_block->(_name => $name);

            if ($more) {
               $more->{more} = $arc;
            } else {
               $arc{$name} = $arc;
            }
            $prev = $arc;
            $more = undef;
         } elsif (/^arch (\S+)$/i) {
            push @{ $arc{arch} }, $parse_block->(_name => $1);
         } elsif (/^\s*($|#)/) {
            #
         } else {
            warn "$path: unparseable top-level line '$_'";
         }
      }

      undef $parse_block; # work around bug in perl not freeing $fh etc.

      Storable::nstore \%arc, $cache
         if defined $cache;

      \%arc
   }
}

# returns the arch/object stack from a tile on a map
sub map_get_tile_stack {
   my ($map, $x, $y) = @_;
   my $as;

   if ($x > 0 || $x < $map->{width}
       || $y > 0 || $y < $map->{height}) {

      $as = $map->{map}{map}[$x][$y] || [];
   }

   return $as;
}

# pop the topmost arch/object from the stack of a tile on a map
sub map_pop_tile_stack {
   my ($map, $x, $y) = @_;

   if ($x > 0 || $x < $map->{width}
       || $y > 0 || $y < $map->{height}) {

      pop @{$map->{map}{map}[$x][$y]};
   }
}

# pushes the arch/object on the stack of a tile on a map
sub map_push_tile_stack {
   my ($map, $x, $y, $arch) = @_;

   if ($x > 0 || $x < $map->{width}
       || $y > 0 || $y < $map->{height}) {

      push @{$map->{map}{map}[$x][$y]}, $arch;
   }
}


# put all archs into a hash with editor_face as it's key
# NOTE: the arrays in the hash values are references to 
# the archs from $ARCH
sub editor_archs {
   my %paths;

   for (keys %$ARCH) {
      my $arch = $ARCH->{$_};
      push @{$paths{$arch->{editor_folder}}}, \$arch;
   }

   return \%paths;
}

# arch_extends determines how the arch looks like on the map,
# bigfaces, linked faces and single faces are handled here
# it returns (<xoffset>, <yoffset>, <width>, <height>)
# NOTE: non rectangular linked faces are not considered
sub arch_extends {
   my ($a) = @_;

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

   my $facename =
      $a->{face} || $ARCH->{$a->{_name}}->{face}
         or return ();

   my $tile = $TC->{$facename}
      or (warn "no gfx found for arch '$facename' in arch_size ()"), return;

   if ($tile->{w} > 1 || $tile->{h} > 1) { 
      # bigfaces
      return (0, 0, $tile->{w}, $tile->{h});

   } elsif ($a->{more}) {
      # linked faces
      my ($miw, $mih, $maw, $mah) = (0, 0, 0, 0);
      do {
         $miw > (0 + $a->{x}) and $miw = $a->{x};
         $mih > (0 + $a->{y}) and $mih = $a->{y};
         $maw < (0 + $a->{x}) and $maw = $a->{x};
         $mah < (0 + $a->{y}) and $mah = $a->{y};
      } while $a = $a->{more};

      return ($miw, $mih, ($maw - $miw) + 1, ($mah - $mih) + 1)

   } else {
      # single face
      return (0, 0, 1, 1);
   }
}

sub init($) {
   my ($cachedir) = @_;

   $ARCH = read_arch "$LIB/archetypes",  "$cachedir/archetypes.pst";
}

=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:	Thu Feb 9 20:54:42 2006 UTC (18 years, 3 months ago) by root
Branch:	MAIN
Changes since 1.12:	+17 -3 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	elmex	1.1	=head1 NAME
2
3			Crossfire - Crossfire maphandling
4
5			=cut
6
7	root	1.4	package Crossfire;
8
9	elmex	1.3	our $VERSION = '0.1';
10	elmex	1.1
11			use strict;
12
13	root	1.7	use base 'Exporter';
14
15	root	1.13	use Carp ();
16	elmex	1.1	use Storable;
17
18	elmex	1.11	#XXX: The map_* procedures scream for a map-object
19
20			our @EXPORT =
21	root	1.12	qw(read_pak read_arch $ARCH TILESIZE editor_archs
22			arch_extends
23	elmex	1.11	map_get_tile_stack map_push_tile_stack map_pop_tile_stack
24			);
25	root	1.7
26	root	1.4	our $LIB = $ENV{CROSSFIRE_LIBDIR}
27	root	1.13	or Carp::croak "\$CROSSFIRE_LIBDIR must be set\n";
28	elmex	1.1
29	root	1.7	sub TILESIZE (){ 32 }
30	elmex	1.1
31	root	1.4	our $ARCH;
32	elmex	1.1
33	root	1.13	our %FIELD_MULTILINE = (
34			msg => "endmsg",
35			);
36
37			# not used yet, maybe alphabetical is ok
38			our @FIELD_ORDER = (qw(name name_pl));
39
40			# not used yet, AND NOT CHECKED, should also be BY TYPE
41			our %FIELD_NORMALIZE = (
42			"enter_x" => "hp",
43			"enter_y" => "sp",
44			);
45
46	root	1.4	sub read_pak($;$) {
47			my ($path, $cache) = @_;
48	elmex	1.1
49			eval {
50	root	1.4	defined $cache
51			&& -M $cache < -M $path
52			&& Storable::retrieve $cache
53	elmex	1.1	} or do {
54			my %pak;
55
56			open my $fh, "<:raw", $path
57	root	1.13	or Carp::croak "$_[0]: $!";
58	elmex	1.1	while (<$fh>) {
59			my ($type, $id, $len, $path) = split;
60			$path =~ s/.*\///;
61			read $fh, $pak{$path}, $len;
62			}
63
64	root	1.4	Storable::nstore \%pak, $cache
65			if defined $cache;
66	elmex	1.1
67			\%pak
68			}
69			}
70
71			sub read_arch($;$) {
72	root	1.4	my ($path, $cache) = @_;
73
74			eval {
75			defined $cache
76			&& -M $cache < -M $path
77			&& Storable::retrieve $cache
78			} or do {
79			my %arc;
80			my ($more, $prev);
81
82			open my $fh, "<:raw", $path
83	root	1.13	or Carp::croak "$path: $!";
84	elmex	1.1
85	root	1.4	my $parse_block; $parse_block = sub {
86			my %arc = @_;
87	elmex	1.2
88	root	1.4	while (<$fh>) {
89			s/\s+$//;
90			if (/^end$/i) {
91			last;
92			} elsif (/^arch (\S+)$/) {
93			push @{ $arc{inventory} }, $parse_block->(_name => $1);
94			} elsif (/^lore$/) {
95			while (<$fh>) {
96			last if /^endlore\s*$/i;
97			$arc{lore} .= $_;
98			}
99			} elsif (/^msg$/) {
100			while (<$fh>) {
101			last if /^endmsg\s*$/i;
102			$arc{msg} .= $_;
103			}
104			} elsif (/^(\S+)\s(.)$/) {
105			$arc{lc $1} = $2;
106			} elsif (/^\s*($\|#)/) {
107			#
108			} else {
109			warn "$path: unparsable line '$_' in arch $arc{_name}";
110			}
111			}
112	elmex	1.1
113	root	1.4	\%arc
114			};
115	elmex	1.1
116			while (<$fh>) {
117			s/\s+$//;
118	root	1.4	if (/^more$/i) {
119			$more = $prev;
120			} elsif (/^object (\S+)$/i) {
121			my $name = $1;
122			my $arc = $parse_block->(_name => $name);
123
124			if ($more) {
125			$more->{more} = $arc;
126			} else {
127			$arc{$name} = $arc;
128	elmex	1.1	}
129	root	1.4	$prev = $arc;
130			$more = undef;
131			} elsif (/^arch (\S+)$/i) {
132			push @{ $arc{arch} }, $parse_block->(_name => $1);
133	elmex	1.1	} elsif (/^\s*($\|#)/) {
134			#
135			} else {
136	root	1.4	warn "$path: unparseable top-level line '$_'";
137	elmex	1.1	}
138			}
139
140	root	1.4	undef $parse_block; # work around bug in perl not freeing $fh etc.
141	elmex	1.2
142	root	1.4	Storable::nstore \%arc, $cache
143			if defined $cache;
144	elmex	1.1
145	root	1.4	\%arc
146	elmex	1.2	}
147	elmex	1.1	}
148
149	elmex	1.11	# returns the arch/object stack from a tile on a map
150			sub map_get_tile_stack {
151			my ($map, $x, $y) = @_;
152			my $as;
153
154			if ($x > 0 \|\| $x < $map->{width}
155			\|\| $y > 0 \|\| $y < $map->{height}) {
156
157			$as = $map->{map}{map}[$x][$y] \|\| [];
158			}
159
160			return $as;
161			}
162
163			# pop the topmost arch/object from the stack of a tile on a map
164			sub map_pop_tile_stack {
165			my ($map, $x, $y) = @_;
166
167			if ($x > 0 \|\| $x < $map->{width}
168			\|\| $y > 0 \|\| $y < $map->{height}) {
169
170			pop @{$map->{map}{map}[$x][$y]};
171			}
172			}
173
174			# pushes the arch/object on the stack of a tile on a map
175			sub map_push_tile_stack {
176			my ($map, $x, $y, $arch) = @_;
177
178			if ($x > 0 \|\| $x < $map->{width}
179			\|\| $y > 0 \|\| $y < $map->{height}) {
180
181			push @{$map->{map}{map}[$x][$y]}, $arch;
182			}
183			}
184
185
186	elmex	1.10	# put all archs into a hash with editor_face as it's key
187			# NOTE: the arrays in the hash values are references to
188			# the archs from $ARCH
189			sub editor_archs {
190			my %paths;
191
192			for (keys %$ARCH) {
193			my $arch = $ARCH->{$_};
194			push @{$paths{$arch->{editor_folder}}}, \$arch;
195			}
196
197			return \%paths;
198			}
199
200			# arch_extends determines how the arch looks like on the map,
201			# bigfaces, linked faces and single faces are handled here
202			# it returns (<xoffset>, <yoffset>, <width>, <height>)
203			# NOTE: non rectangular linked faces are not considered
204			sub arch_extends {
205			my ($a) = @_;
206
207			my $TC = \%Crossfire::Tilecache::TILECACHE;
208
209			my $facename =
210			$a->{face} \|\| $ARCH->{$a->{_name}}->{face}
211			or return ();
212
213			my $tile = $TC->{$facename}
214			or (warn "no gfx found for arch '$facename' in arch_size ()"), return;
215
216			if ($tile->{w} > 1 \|\| $tile->{h} > 1) {
217			# bigfaces
218			return (0, 0, $tile->{w}, $tile->{h});
219
220			} elsif ($a->{more}) {
221			# linked faces
222			my ($miw, $mih, $maw, $mah) = (0, 0, 0, 0);
223			do {
224			$miw > (0 + $a->{x}) and $miw = $a->{x};
225			$mih > (0 + $a->{y}) and $mih = $a->{y};
226			$maw < (0 + $a->{x}) and $maw = $a->{x};
227			$mah < (0 + $a->{y}) and $mah = $a->{y};
228			} while $a = $a->{more};
229
230			return ($miw, $mih, ($maw - $miw) + 1, ($mah - $mih) + 1)
231
232			} else {
233			# single face
234			return (0, 0, 1, 1);
235			}
236			}
237
238	root	1.4	sub init($) {
239			my ($cachedir) = @_;
240	elmex	1.1
241	root	1.4	$ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst";
242	elmex	1.1	}
243
244			=head1 AUTHOR
245
246			Marc Lehmann <schmorp@schmorp.de>
247			http://home.schmorp.de/
248
249			Robin Redeker <elmex@ta-sa.org>
250			http://www.ta-sa.org/
251
252			=cut
253	root	1.4
254			1