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/cvs/deliantra/server/lib/cf.pm
Revision: 1.7
Committed: Tue Mar 7 13:44:43 2006 UTC (18 years, 2 months ago) by root
Branch: MAIN
Changes since 1.6: +11 -0 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 package cf;
2
3 use Symbol;
4 use List::Util;
5 use Storable;
6
7 use strict;
8
9 our %COMMAND;
10 our @EVENT;
11 our %PROP_TYPE;
12 our %PROP_IDX;
13
14 BEGIN {
15 @EVENT = map lc, @EVENT;
16
17 *CORE::GLOBAL::warn = sub {
18 my $msg = join "", @_;
19 $msg .= "\n"
20 unless $msg =~ /\n$/;
21
22 print STDERR "cfperl: $msg";
23 LOG llevError, "cfperl: $msg";
24 };
25 }
26
27 # generate property mutators
28 sub prop_gen {
29 my ($prefix, $class) = @_;
30
31 no strict 'refs';
32
33 for my $prop (keys %PROP_TYPE) {
34 $prop =~ /^\Q$prefix\E_(.*$)/ or next;
35 my $sub = lc $1;
36
37 my $type = $PROP_TYPE{$prop};
38 my $idx = $PROP_IDX {$prop};
39
40 *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub {
41 $_[0]->get_property ($type, $idx)
42 };
43
44 *{"$class\::set_$sub"} = sub {
45 $_[0]->set_property ($type, $idx, $_[1]);
46 };
47 }
48 }
49
50 # auto-generate most of the API
51
52 prop_gen OBJECT_PROP => "cf::object";
53 # CFAPI_OBJECT_ANIMATION?
54 prop_gen PLAYER_PROP => "cf::object::player";
55
56 prop_gen MAP_PROP => "cf::map";
57 prop_gen ARCH_PROP => "cf::arch";
58
59 # guessed hierarchies
60
61 @cf::object::player::ISA = 'cf::object';
62 @cf::object::map::ISA = 'cf::object';
63
64 my %ext_pkg;
65 my @exts;
66 my @hook;
67 my %command;
68
69 sub inject_event {
70 my ($data) = @_;
71
72 my $cb = $hook[$data->{event_code}]{$data->{extension}}
73 or return;
74
75 $cb->($data)
76 }
77
78 sub inject_global_event {
79 my ($data) = @_;
80
81 my $cb = $hook[$data->{event_code}]
82 or return;
83
84 $_->($data) for values %$cb;
85
86 ()
87 }
88
89 sub inject_command {
90 my ($name, $obj, $params) = @_;
91
92 for my $cmd (@{ $command{$name} }) {
93 $cmd->[1]->($obj, $params);
94 }
95
96 -1
97 }
98
99 sub register_command {
100 my ($name, $time, $cb) = @_;
101
102 my $caller = caller;
103
104 warn "registering command '$name/$time' to '$caller'";
105
106 push @{ $command{$name} }, [$time, $cb, $caller];
107 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
108 }
109
110 sub register {
111 my ($base, $pkg) = @_;
112
113 for my $idx (0 .. $#EVENT) {
114 if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
115 warn "registering $EVENT[$idx] hook to '$pkg'\n";
116 $hook[$idx]{$base} = $ref;
117 }
118 }
119 }
120
121 sub load_extension {
122 my ($path) = @_;
123
124 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
125 my $base = $1;
126 my $pkg = $1;
127 $pkg =~ s/[^[:word:]]/_/g;
128 $pkg = "cf::ext::$pkg";
129
130 warn "loading '$path' into '$pkg'\n";
131
132 open my $fh, "<:utf8", $path
133 or die "$path: $!";
134
135 my $source =
136 "package $pkg; use strict; use utf8;\n"
137 . "#line 1 \"$path\"\n{\n"
138 . (do { local $/; <$fh> })
139 . "\n};\n1";
140
141 eval $source
142 or die "$path: $@";
143
144 push @exts, $pkg;
145 $ext_pkg{$base} = $pkg;
146
147 # no strict 'refs';
148 # @{"$pkg\::ISA"} = cf::ext::;
149
150 register $base, $pkg;
151 }
152
153 sub unload_extension {
154 my ($pkg) = @_;
155
156 warn "removing extension $pkg\n";
157
158 # remove hooks
159 for my $idx (0 .. $#EVENT) {
160 delete $hook[$idx]{$pkg};
161 }
162
163 # remove commands
164 for my $name (keys %command) {
165 my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
166
167 if (@cb) {
168 $command{$name} = \@cb;
169 $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
170 } else {
171 delete $command{$name};
172 delete $COMMAND{"$name\000"};
173 }
174 }
175
176 Symbol::delete_package $pkg;
177 }
178
179 sub load_extensions {
180 my $LIBDIR = maps_directory "perl";
181
182 for my $ext (<$LIBDIR/*.ext>) {
183 next unless -r $ext;
184 eval {
185 load_extension $ext;
186 1
187 } or warn "$ext not loaded: $@";
188 }
189 }
190
191 register_command "perl-reload", 0, sub {
192 my ($who, $arg) = @_;
193
194 if ($who->flag (FLAG_WIZ)) {
195 $who->message ("reloading...");
196
197 warn "reloading...\n";
198 eval {
199 unload_extension $_ for @exts;
200 delete $INC{"cf.pm"};
201
202 # don't, removes xs symbols, too
203 #Symbol::delete_package $pkg;
204
205 require cf;
206 };
207 warn $@ if $@;
208 $who->message ($@) if $@;
209 warn "reloaded\n";
210
211 $who->message ("reloaded");
212 } else {
213 $who->message ("Intruder Alert!");
214 }
215 };
216
217 *on_mapclean = sub {
218 my $map = shift->{map};
219
220 my $path = $map->tmpname;
221 defined $path or return;
222
223 unlink "$path.cfperl";
224 };
225
226 *on_mapin =
227 *on_mapload = sub {
228 my $map = shift->{map};
229
230 my $path = $map->tmpname;
231 $path = $map->path unless defined $path;
232
233 open my $fh, "<:raw", "$path.cfperl"
234 or return; # no perl data
235
236 my $data = Storable::thaw do { local $/; <$fh> };
237
238 $data->{version} <= 1
239 or return; # too new
240
241 $map->_set_obs ($data->{obs});
242 };
243
244 *on_mapout = sub {
245 my $map = shift->{map};
246
247 my $path = $map->tmpname;
248 $path = $map->path unless defined $path;
249
250 my $obs = $map->_get_obs;
251
252 if (defined $obs) {
253 open my $fh, ">:raw", "$path.cfperl"
254 or die "$path.cfperl: $!";
255
256 print $fh Storable::nfreeze {
257 version => 1,
258 obs => $obs,
259 };
260
261 chmod SAVE_MODE, "$path.cfperl"; # very racy, but cf-compatible *g*
262 } else {
263 unlink "$path.cfperl";
264 }
265 };
266
267 register "<global>", __PACKAGE__;
268
269 load_extensions;
270
271 1
272