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/cvs/deliantra/maps/perl/cf.pm
Revision: 1.2
Committed: Fri Feb 3 07:42:11 2006 UTC (18 years, 3 months ago) by root
Branch: MAIN
Changes since 1.1: +1 -1 lines
Log Message:
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File Contents

# User Rev Content
1 root 1.1 package cf;
2    
3     use Symbol;
4     use List::Util;
5    
6     use strict;
7    
8     our %COMMAND;
9     our @EVENT;
10     our %PROP_TYPE;
11     our %PROP_IDX;
12    
13     BEGIN {
14     @EVENT = map lc, @EVENT;
15    
16     *CORE::GLOBAL::warn = sub {
17     my $msg = join "", @_;
18     $msg .= "\n"
19     unless $msg =~ /\n$/;
20    
21     print STDERR "cfperl: $msg";
22     LOG llevError, "cfperl: $msg";
23     };
24     }
25    
26     # generate property mutators
27     sub prop_gen {
28     my ($prefix, $class) = @_;
29    
30     no strict 'refs';
31    
32     for my $prop (keys %PROP_TYPE) {
33     $prop =~ /^\Q$prefix\E_(.*$)/ or next;
34     my $sub = lc $1;
35    
36     my $type = $PROP_TYPE{$prop};
37     my $idx = $PROP_IDX {$prop};
38    
39     *{"$class\::get_$sub"} = *{"$class\::$sub"} = sub {
40     $_[0]->get_property ($type, $idx)
41     };
42    
43     *{"$class\::set_$sub"} = sub {
44     $_[0]->set_property ($type, $idx, $_[1]);
45     };
46     }
47     }
48    
49     # auto-generate most of the API
50    
51     prop_gen OBJECT_PROP => "cf::object";
52     # CFAPI_OBJECT_ANIMATION?
53     prop_gen PLAYER_PROP => "cf::object::player";
54    
55     prop_gen MAP_PROP => "cf::map";
56     prop_gen ARCH_PROP => "cf::arch";
57    
58     # guessed hierarchies
59    
60     @cf::object::player::ISA = 'cf::object';
61     @cf::object::map::ISA = 'cf::object';
62    
63     my @exts;
64     my @hook;
65     my %command;
66    
67     sub inject_event {
68     my ($data) = @_;
69    
70     my $cb = $hook[$data->{event_code}]
71     or return;
72    
73     $_->($data) for values %$cb;
74    
75     ()
76     }
77    
78     sub inject_command {
79     my ($name, $obj, $params) = @_;
80    
81     for my $cmd (@{ $command{$name} }) {
82     $cmd->[1]->($obj, $params);
83     }
84    
85     -1
86     }
87    
88     sub register_command {
89     my ($name, $time, $cb) = @_;
90    
91     my $caller = caller;
92    
93     push @{ $command{$name} }, [$time, $cb, $caller];
94     $COMMAND{"$name\000"} = List::Util::max map $_->[0], @{ $command{$name} };
95     }
96    
97     sub load_extension {
98     my ($path) = @_;
99    
100     $path =~ /([^\/\\]+)\.ext$/ or die "$path";
101     my $pkg = $1;
102     $pkg =~ s/[^[:word:]]/_/g;
103     $pkg = "cf::ext::$pkg";
104    
105     warn "loading '$path' into '$pkg'\n";
106    
107     open my $fh, "<:utf8", $path
108     or die "$path: $!";
109    
110     my $source =
111     "package $pkg; use strict; use utf8;\n"
112     . "#line 1 \"$path\"\n{\n"
113     . (do { local $/; <$fh> })
114     . "\n};\n1";
115    
116     eval $source
117     or die "$path: $@";
118    
119     push @exts, $pkg;
120    
121     no strict 'refs';
122    
123     # @{"$pkg\::ISA"} = cf::ext::;
124    
125     for my $idx (0 .. $#EVENT) {
126     if (my $ref = $pkg->can ("on_$EVENT[$idx]")) {
127     warn "registering $EVENT[$idx] hook\n";
128     $hook[$idx]{$pkg} = $ref;
129     }
130     }
131     }
132    
133     sub unload_extension {
134     my ($pkg) = @_;
135    
136     warn "removing extension $pkg\n";
137    
138     # remove hooks
139     for my $idx (0 .. $#EVENT) {
140     delete $hook[$idx]{$pkg};
141     }
142    
143     # remove commands
144     for my $name (keys %command) {
145     my @cb = grep $_->[2] ne $pkg, @{ $command{$name} };
146    
147     if (@cb) {
148     $command{$name} = \@cb;
149     $COMMAND{"$name\000"} = List::Util::max map $_->[0], @cb;
150     } else {
151     delete $command{$name};
152     delete $COMMAND{"$name\000"};
153     }
154     }
155    
156     Symbol::delete_package $pkg;
157     }
158    
159     sub load_extensions {
160     my $LIBDIR = get_maps_directory "perl";
161    
162     for my $ext (<$LIBDIR/*.ext>) {
163     load_extension $ext;
164     }
165     }
166    
167     register_command "perl-reload", 0, sub {
168     my ($who, $arg) = @_;
169 root 1.2
170 root 1.1 if ($who->flag (FLAG_WIZ)) {
171     warn "reloading...\n";
172     unload_extension $_ for @exts;
173     @exts = 0;
174     load_extensions;
175     warn "reloaded\n";
176     }
177     };
178    
179     load_extensions;
180    
181     1
182