ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/ext/help.ext
Revision: 1.22
Committed: Wed Nov 21 11:53:01 2012 UTC (11 years, 6 months ago) by root
Branch: MAIN
Changes since 1.21: +13 -3 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #! perl # mandatory depends=doclet
2
3 our $TOPIC;
4 our %DOCLET;
5
6 our $HELP_CHANNEL = {
7 id => "help",
8 title => "Help",
9 reply => "help ",
10 tooltip => "Online Help",
11 };
12
13 # considerable duplication between load_doclets and load_topics
14 sub load_doclets {
15 %DOCLET = ();
16
17 my %command_list;
18
19 for (
20 [standard => "command_help"],
21 [emote => "emote_help"],
22 [dm => "dmcommand_help"],
23 ) {
24 my ($type, $path) = @$_;
25
26 my $paragraphs = cf::pod::load_pod "$PODDIR/$path.pod"
27 or die "unable to load $path";
28
29 my $level = 1e9;
30 my $rpar;
31
32 for my $par (@$paragraphs) {
33 if ($par->{type} eq "head2") {
34 # this code taken almost verbatim from DC/Protocol.pm
35
36 if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
37 my $cmd = $1;
38 my @args = split /\|/, $2;
39 @args = (".*") unless @args;
40
41 $_ = $_ eq ".*" ? "" : " $_"
42 for @args;
43
44 my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
45
46 $rpar = \($DOCLET{$cmd} = &cf::pod::as_cfpod ([$par]));
47
48 push @{ $command_list{$type} }, @variants;
49 $level = $par->{level};
50 } else {
51 cf::error "$par->{markup}: unparsable command heading";
52 }
53 } elsif ($par->{level} > $level) {
54 $$rpar .= &cf::pod::as_cfpod ([$par]);
55 }
56
57 cf::cede_to_tick;
58 }
59 }
60
61 cf::cede_to_tick;
62
63 while (my ($k, $v) = each %command_list) {
64 cf::client::set_command_face $k, $v
65 }
66 }
67
68 our $DOCLET_HANDLER = ext::doclet::register command => sub {
69 my ($pl, $category, $command) = @_;
70
71 if ($command =~ /^(cast|invoke)\s+(.*)$/) { # not used currently
72 my ($cmd, $arg) = ($1, $2);
73 (ext::doclet::doclet $pl, command => $cmd)
74 . (ext::doclet::doclet $pl, spell => $arg)
75 } elsif ($command =~ /^(ready_skill|use_skill)\s+(.*)$/) {
76 my ($cmd, $arg) = ($1, $2);
77 (ext::doclet::doclet $pl, command => $cmd)
78 . (ext::doclet::doclet $pl, skill => $arg)
79 } else {
80 my $guard = cf::lock_acquire "ext::help::loading";
81
82 $DOCLET{$command}
83 || "B<No documentation available for '$category/$command'>"
84 }
85 };
86
87 sub load_topics($$) {
88 my ($type, $path) = @_;
89
90 my $paragraphs = cf::pod::load_pod "$PODDIR/$path.pod"
91 or die "unable to load $path";
92
93 my @topics;
94 my $level = 1e9;
95
96 for my $par (@$paragraphs) {
97 cf::cede_to_tick;
98 if ($par->{type} eq "head2") {
99 if ($par->{markup} =~ /^(\S+)/) {
100 push @topics, $1 => [$type => $par];
101 $level = $par->{level};
102 }
103 } elsif ($par->{level} > $level) {
104 push @{ $topics[-1] }, $par;
105 }
106 }
107
108 @topics
109 }
110
111 sub reload() {
112 my $guard1 = cf::lock_acquire "ext::help::loading";
113 my $guard2 = cf::lock_acquire "ext::resource";
114
115 local $Coro::current->{desc} = "help loader";
116
117 $TOPIC = {
118 (load_topics "DM Commands" => "dmcommand_help"),
119 (load_topics "Emotes" => "emote_help"),
120 (load_topics "Commands" => "command_help"),
121 (load_topics "Generic Help Topics" => "generic_help"),
122 };
123
124 load_doclets;
125
126 ()
127 }
128
129 cf::post_init {
130 cf::async_ext { reload };
131 Coro::cede; # make sure reload acquires the lock(s)
132 };
133
134 cf::register_command help => sub {
135 my ($pl, $topic) = @_;
136
137 if (cf::lock_active "ext::help::loading") {
138 $pl->send_msg ($HELP_CHANNEL => "help files are being loaded currently, try again in a few seconds.", cf::NDI_REPLY | cf::NDI_CLEAR);
139 return;
140 }
141
142 $topic = $1 if $topic =~ /(\S+)/;
143
144 if (!length $topic) {
145 # sort..
146
147 my %topics;
148 while (my ($k, $v) = each %$TOPIC) {
149 push @{$topics{$v->[0]}}, $k;
150 }
151
152 my $res;
153 while (my ($k, $v) = each %topics) {
154 $res .= "T<$k:>\n\n" . (join " ", sort @$v) . "\n\n";
155 }
156
157 $pl->send_msg ($HELP_CHANNEL => $res, cf::NDI_REPLY | cf::NDI_CLEAR);
158
159 } elsif (my $item = $TOPIC->{$topic}) {
160 my ($type, @pars) = @$item;
161 $pl->send_msg ($HELP_CHANNEL => (cf::pod::as_cfpod \@pars), cf::NDI_REPLY | cf::NDI_CLEAR);
162
163 } else {
164 $pl->send_msg ($HELP_CHANNEL => "'$topic' no such help topic, try just 'help' to get a list of topics.", cf::NDI_REPLY);
165 }
166 };
167