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/cvs/deliantra/Deliantra/Deliantra.pm
Revision: 1.30
Committed: Thu Feb 23 14:54:44 2006 UTC (18 years, 2 months ago) by root
Branch: MAIN
Changes since 1.29: +11 -3 lines
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File Contents

# 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 root 1.21 use File::Spec;
17 root 1.15 use List::Util qw(min max);
18 elmex 1.1
19 elmex 1.11 #XXX: The map_* procedures scream for a map-object
20    
21     our @EXPORT =
22 root 1.15 qw(read_pak read_arch %ARCH TILESIZE $TILE %FACE editor_archs arch_extents);
23 root 1.7
24 root 1.4 our $LIB = $ENV{CROSSFIRE_LIBDIR}
25 root 1.13 or Carp::croak "\$CROSSFIRE_LIBDIR must be set\n";
26 elmex 1.1
27 root 1.7 sub TILESIZE (){ 32 }
28 elmex 1.1
29 root 1.25 our $VARDIR;
30 root 1.15 our %ARCH;
31     our %FACE;
32     our $TILE;
33 elmex 1.1
34 root 1.13 our %FIELD_MULTILINE = (
35 root 1.14 msg => "endmsg",
36     lore => "endlore",
37 root 1.13 );
38    
39     # not used yet, maybe alphabetical is ok
40     our @FIELD_ORDER = (qw(name name_pl));
41    
42 root 1.14 sub MOVE_WALK (){ 0x1 }
43     sub MOVE_FLY_LOW (){ 0x2 }
44     sub MOVE_FLY_HIGH (){ 0x4 }
45     sub MOVE_FLYING (){ 0x6 }
46     sub MOVE_SWIM (){ 0x8 }
47     sub MOVE_ALL (){ 0xf }
48    
49 root 1.30 BEGIN {
50     if ($^O eq "MSWin32") {
51     eval "use FreezeThaw qw(freeze thaw)";
52     } else {
53     eval "use Storable qw(freeze thaw)";
54     }
55     }
56    
57 root 1.28 sub load_ref($) {
58     my ($path) = @_;
59    
60 root 1.29 open my $fh, "<:raw", "$path~"
61 root 1.28 or die "$path~: $!";
62     local $/;
63 root 1.30 thaw <$fh>
64 root 1.28 }
65    
66     sub save_ref($$) {
67     my ($ref, $path) = @_;
68    
69     open my $fh, ">:raw", "$path~"
70     or die "$path~: $!";
71 root 1.30 my $ref = freeze $ref;
72     print $fh $ref;
73 root 1.28 close $fh;
74     rename "$path~", $path
75     or die "$path: $!";
76     }
77    
78 root 1.14 sub normalize_arch($) {
79     my ($ob) = @_;
80    
81 root 1.15 my $arch = $ARCH{$ob->{_name}}
82 root 1.14 or (warn "$ob->{_name}: no such archetype", return $ob);
83    
84     delete $ob->{$_} for qw(can_knockback can_parry can_impale can_cut can_dam_armour can_apply);
85    
86     if ($arch->{type} == 22) { # map
87     my %normalize = (
88     "enter_x" => "hp",
89     "enter_y" => "sp",
90     "width" => "x",
91     "height" => "y",
92     "reset_timeout" => "weight",
93     "swap_time" => "value",
94     "difficulty" => "level",
95     "darkness" => "invisible",
96     "fixed_resettime" => "stand_still",
97     );
98    
99     while (my ($k2, $k1) = each %normalize) {
100     if (defined (my $v = delete $ob->{$k1})) {
101     $ob->{$k2} = $v;
102     }
103     }
104     }
105    
106     if (defined (my $v = delete $ob->{no_pass})) {
107     $ob->{move_block} = $v ? MOVE_ALL : 0;
108     }
109     if (defined (my $v = delete $ob->{walk_on})) {
110     $ob->{move_on} = $v ? $ob->{move_on} | MOVE_WALK
111     : $ob->{move_on} & ~MOVE_WALK;
112     }
113     if (defined (my $v = delete $ob->{walk_off})) {
114     $ob->{move_off} = $v ? $ob->{move_off} | MOVE_WALK
115     : $ob->{move_off} & ~MOVE_WALK;
116     }
117     if (defined (my $v = delete $ob->{fly_on})) {
118     $ob->{move_on} = $v ? $ob->{move_on} | MOVE_FLY_LOW
119     : $ob->{move_on} & ~MOVE_FLY_LOW;
120     }
121     if (defined (my $v = delete $ob->{fly_off})) {
122     $ob->{move_off} = $v ? $ob->{move_off} | MOVE_FLY_LOW
123     : $ob->{move_off} & ~MOVE_FLY_LOW;
124     }
125     if (defined (my $v = delete $ob->{flying})) {
126     $ob->{move_type} = $v ? $ob->{move_type} | MOVE_FLY_LOW
127     : $ob->{move_type} & ~MOVE_FLY_LOW;
128     }
129    
130     # if value matches archetype default, delete
131     while (my ($k, $v) = each %$ob) {
132     if (exists $arch->{$k} and $arch->{$k} eq $v) {
133 root 1.15 next if $k eq "_name";
134 root 1.14 delete $ob->{$k};
135     }
136     }
137    
138     $ob
139     }
140 root 1.13
141 root 1.4 sub read_pak($;$) {
142     my ($path, $cache) = @_;
143 elmex 1.1
144     eval {
145 root 1.4 defined $cache
146     && -M $cache < -M $path
147 root 1.28 && load_ref $cache
148 elmex 1.1 } or do {
149     my %pak;
150    
151     open my $fh, "<:raw", $path
152 root 1.13 or Carp::croak "$_[0]: $!";
153 elmex 1.1 while (<$fh>) {
154     my ($type, $id, $len, $path) = split;
155     $path =~ s/.*\///;
156     read $fh, $pak{$path}, $len;
157     }
158    
159 root 1.28 save_ref \%pak, $cache
160 root 1.4 if defined $cache;
161 elmex 1.1
162     \%pak
163     }
164     }
165    
166     sub read_arch($;$) {
167 root 1.4 my ($path, $cache) = @_;
168    
169     eval {
170     defined $cache
171     && -M $cache < -M $path
172 root 1.28 && load_ref $cache
173 root 1.4 } or do {
174     my %arc;
175     my ($more, $prev);
176    
177     open my $fh, "<:raw", $path
178 root 1.13 or Carp::croak "$path: $!";
179 elmex 1.1
180 root 1.4 my $parse_block; $parse_block = sub {
181     my %arc = @_;
182 elmex 1.2
183 root 1.4 while (<$fh>) {
184     s/\s+$//;
185     if (/^end$/i) {
186     last;
187     } elsif (/^arch (\S+)$/) {
188 root 1.14 push @{ $arc{inventory} }, normalize_arch $parse_block->(_name => $1);
189 root 1.4 } elsif (/^lore$/) {
190     while (<$fh>) {
191     last if /^endlore\s*$/i;
192     $arc{lore} .= $_;
193     }
194     } elsif (/^msg$/) {
195     while (<$fh>) {
196     last if /^endmsg\s*$/i;
197     $arc{msg} .= $_;
198     }
199     } elsif (/^(\S+)\s*(.*)$/) {
200     $arc{lc $1} = $2;
201     } elsif (/^\s*($|#)/) {
202     #
203     } else {
204     warn "$path: unparsable line '$_' in arch $arc{_name}";
205     }
206     }
207 elmex 1.1
208 root 1.4 \%arc
209     };
210 elmex 1.1
211     while (<$fh>) {
212     s/\s+$//;
213 root 1.4 if (/^more$/i) {
214     $more = $prev;
215     } elsif (/^object (\S+)$/i) {
216     my $name = $1;
217     my $arc = $parse_block->(_name => $name);
218    
219     if ($more) {
220     $more->{more} = $arc;
221     } else {
222     $arc{$name} = $arc;
223 elmex 1.1 }
224 root 1.4 $prev = $arc;
225     $more = undef;
226     } elsif (/^arch (\S+)$/i) {
227 root 1.14 push @{ $arc{arch} }, normalize_arch $parse_block->(_name => $1);
228 elmex 1.1 } elsif (/^\s*($|#)/) {
229     #
230     } else {
231 root 1.4 warn "$path: unparseable top-level line '$_'";
232 elmex 1.1 }
233     }
234    
235 root 1.4 undef $parse_block; # work around bug in perl not freeing $fh etc.
236 elmex 1.2
237 root 1.28 save_ref \%arc, $cache
238 root 1.4 if defined $cache;
239 elmex 1.1
240 root 1.4 \%arc
241 elmex 1.2 }
242 elmex 1.1 }
243    
244 elmex 1.10 # put all archs into a hash with editor_face as it's key
245     # NOTE: the arrays in the hash values are references to
246     # the archs from $ARCH
247     sub editor_archs {
248     my %paths;
249    
250 root 1.15 for (keys %ARCH) {
251     my $arch = $ARCH{$_};
252 elmex 1.10 push @{$paths{$arch->{editor_folder}}}, \$arch;
253     }
254    
255 root 1.15 \%paths
256 elmex 1.10 }
257    
258 root 1.17 =item ($minx, $miny, $maxx, $maxy) = arch_extents $arch
259    
260     arch_extents determines the extents of the given arch's face(s), linked
261     faces and single faces are handled here it returns (minx, miny, maxx,
262     maxy)
263    
264     =cut
265    
266 root 1.15 sub arch_extents {
267 elmex 1.10 my ($a) = @_;
268    
269 root 1.15 my $o = $ARCH{$a->{_name}}
270     or return;
271 elmex 1.10
272 root 1.15 my $face = $FACE{$a->{face} || $o->{face}}
273     or (warn "no face data found for arch '$a->{_name}'"), return;
274 elmex 1.10
275 root 1.15 if ($face->{w} > 1 || $face->{h} > 1) {
276     # bigface
277     return (0, 0, $face->{w} - 1, $face->{h} - 1);
278    
279     } elsif ($o->{more}) {
280     # linked face
281     my ($minx, $miny, $maxx, $maxy) = ($o->{x}, $o->{y}) x 2;
282    
283     for (; $o; $o = $o->{more}) {
284     $minx = min $minx, $o->{x};
285     $miny = min $miny, $o->{y};
286     $maxx = max $maxx, $o->{x};
287     $maxy = max $maxy, $o->{y};
288     }
289    
290     return ($minx, $miny, $maxx, $maxy);
291 elmex 1.10
292     } else {
293     # single face
294 root 1.15 return (0, 0, 0, 0);
295 elmex 1.10 }
296     }
297    
298 root 1.19 =item $type = arch_attr $arch
299 root 1.17
300     Returns a hashref describing the object and its attributes. It can contain
301     the following keys:
302    
303     name the name, suitable for display purposes
304     ignore
305     attr
306     desc
307     use
308     section => [name => \%attr, name => \%attr]
309 root 1.19 import
310 root 1.17
311     =cut
312    
313     sub arch_attr($) {
314     my ($arch) = @_;
315    
316     require Crossfire::Data;
317    
318 root 1.18 my $attr;
319 root 1.17
320     if ($arch->{type} > 0) {
321 root 1.18 $attr = $Crossfire::Data::ATTR{$arch->{type}+0};
322 root 1.17 } else {
323 root 1.18 $attr = $Crossfire::Data::TYPE{Misc};
324    
325     type:
326     for (@Crossfire::Data::ATTR0) {
327     my $req = $_->{required}
328     or die "internal error: ATTR0 without 'required'";
329    
330     while (my ($k, $v) = each %$req) {
331     next type
332     unless $arch->{$k} == $v;
333     }
334    
335     $attr = $_;
336     }
337 root 1.17 }
338    
339 root 1.19 $attr || \%Crossfire::Data::DEFAULT_ATTR;
340 root 1.17 }
341    
342 root 1.16 sub arch_edit_sections {
343     # if (edit_type == IGUIConstants.TILE_EDIT_NONE)
344     # edit_type = 0;
345     # else if (edit_type != 0) {
346     # // all flags from 'check_type' must be unset in this arch because they get recalculated now
347     # edit_type &= ~check_type;
348     # }
349     #
350     # }
351     # if ((check_type & IGUIConstants.TILE_EDIT_MONSTER) != 0 &&
352     # getAttributeValue("alive", defarch) == 1 &&
353     # (getAttributeValue("monster", defarch) == 1 ||
354     # getAttributeValue("generator", defarch) == 1)) {
355     # // Monster: monsters/npcs/generators
356     # edit_type |= IGUIConstants.TILE_EDIT_MONSTER;
357     # }
358     # if ((check_type & IGUIConstants.TILE_EDIT_WALL) != 0 &&
359     # arch_type == 0 && getAttributeValue("no_pass", defarch) == 1) {
360     # // Walls
361     # edit_type |= IGUIConstants.TILE_EDIT_WALL;
362     # }
363     # if ((check_type & IGUIConstants.TILE_EDIT_CONNECTED) != 0 &&
364     # getAttributeValue("connected", defarch) != 0) {
365     # // Connected Objects
366     # edit_type |= IGUIConstants.TILE_EDIT_CONNECTED;
367     # }
368     # if ((check_type & IGUIConstants.TILE_EDIT_EXIT) != 0 &&
369     # arch_type == 66 || arch_type == 41 || arch_type == 95) {
370     # // Exit: teleporter/exit/trapdoors
371     # edit_type |= IGUIConstants.TILE_EDIT_EXIT;
372     # }
373     # if ((check_type & IGUIConstants.TILE_EDIT_TREASURE) != 0 &&
374     # getAttributeValue("no_pick", defarch) == 0 && (arch_type == 4 ||
375     # arch_type == 5 || arch_type == 36 || arch_type == 60 ||
376     # arch_type == 85 || arch_type == 111 || arch_type == 123 ||
377     # arch_type == 124 || arch_type == 130)) {
378     # // Treasure: randomtreasure/money/gems/potions/spellbooks/scrolls
379     # edit_type |= IGUIConstants.TILE_EDIT_TREASURE;
380     # }
381     # if ((check_type & IGUIConstants.TILE_EDIT_DOOR) != 0 &&
382     # arch_type == 20 || arch_type == 23 || arch_type == 26 ||
383     # arch_type == 91 || arch_type == 21 || arch_type == 24) {
384     # // Door: door/special door/gates + keys
385     # edit_type |= IGUIConstants.TILE_EDIT_DOOR;
386     # }
387     # if ((check_type & IGUIConstants.TILE_EDIT_EQUIP) != 0 &&
388     # getAttributeValue("no_pick", defarch) == 0 && ((arch_type >= 13 &&
389     # arch_type <= 16) || arch_type == 33 || arch_type == 34 ||
390     # arch_type == 35 || arch_type == 39 || arch_type == 70 ||
391     # arch_type == 87 || arch_type == 99 || arch_type == 100 ||
392     # arch_type == 104 || arch_type == 109 || arch_type == 113 ||
393     # arch_type == 122 || arch_type == 3)) {
394     # // Equipment: weapons/armour/wands/rods
395     # edit_type |= IGUIConstants.TILE_EDIT_EQUIP;
396     # }
397     #
398     # return(edit_type);
399     #
400     #
401     }
402    
403 root 1.24 sub init($) {
404     my ($cachedir) = @_;
405    
406     return if %ARCH;
407    
408     mkdir $cachedir, 0777;
409     *ARCH = read_arch "$LIB/archetypes", "$cachedir/archetypes.pst";
410     }
411    
412 root 1.29 $VARDIR ||= $ENV{HOME} ? "$ENV{HOME}/.crossfire" : File::Spec->tmpdir . "/crossfire";
413 root 1.15
414 root 1.25 init $VARDIR;
415 root 1.15
416 elmex 1.1 =head1 AUTHOR
417    
418     Marc Lehmann <schmorp@schmorp.de>
419     http://home.schmorp.de/
420    
421     Robin Redeker <elmex@ta-sa.org>
422     http://www.ta-sa.org/
423    
424     =cut
425 root 1.4
426     1