| 1 | #! perl |
1 | #! perl |
| 2 | |
2 | |
| 3 | # additional support for cfplus client |
3 | # additional support for cfplus client |
| 4 | |
4 | |
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5 | use NPC_Dialogue; |
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6 | |
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7 | =head1 CF+ protocol extensions |
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8 | |
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9 | This module implements protocol extensions for use by the CF+ client, but |
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10 | can be used by other clients as well. It uses the C<extcmd> mechanism |
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11 | exclusively. |
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12 | |
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13 | =over 4 |
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14 | |
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15 | =item ... = extcmd cfplus_support { version => $client_version } |
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16 | |
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17 | Registers the client the the server. the client should send the highest |
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18 | version of the protocol it supports itself, and the server returns the |
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19 | highest version of the protocol it supports in the C<version> key itself. |
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20 | |
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21 | =cut |
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22 | |
| 5 | cf::register_extcmd cfplus_support => sub { |
23 | cf::register_extcmd cfplus_support => sub { |
| 6 | my ($pl, $data) = @_; |
24 | my ($pl, $msg) = @_; |
| 7 | |
25 | |
| 8 | my ($token, $client_version) = split / /, $data, 2; |
26 | # $msg->{version} |
| 9 | |
27 | |
| 10 | $pl->send ("ext $token 1"); |
28 | (version => 2) |
| 11 | }; |
29 | }; |
| 12 | |
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| 13 | sub parse_message($) { |
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| 14 | map [split /\n/, $_, 2], |
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| 15 | grep length, |
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| 16 | split /^\@match /m, |
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| 17 | $_[0] |
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| 18 | } |
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| 19 | |
30 | |
| 20 | my %dialog; # currently active dialogs |
31 | my %dialog; # currently active dialogs |
| 21 | |
32 | |
| 22 | sub dialog_tell { |
33 | my $timer = Event->timer (interval => 0.2, parked => 1, cb => sub { |
| 23 | my ($dialog, $msg) = @_; |
34 | while (my ($id, $dialog) = each %dialog) { |
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35 | my (undef, $dx, $dy) = $dialog->{ob}->rangevector ($dialog->{npc}); |
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36 | next if (abs $dx) <= 2 && (abs $dy) <= 2; |
| 24 | |
37 | |
| 25 | my $pl = cf::player::find $dialog->{name}; |
38 | $dialog->{ob}->contr->ext_reply ($id => msgtype => "error", msg => "out of range"); |
| 26 | |
39 | delete $dialog{$id}; |
| 27 | for my $match (@{ $dialog->{match} }) { |
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| 28 | for (split /\|/, $match->[0]) { |
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| 29 | if ($_ eq "*" || 0 <= index $msg, $_) { |
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| 30 | my $reply = $match->[1]; |
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| 31 | |
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| 32 | # combine lines into paragraphs |
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| 33 | $reply =~ s/(?<=\S)\n(?=\w)/ /g; |
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| 34 | $reply =~ s/\n\n/\n/g; |
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| 35 | |
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| 36 | my @kw; |
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| 37 | # now mark up all matching keywords |
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| 38 | for my $match (@{ $dialog->{match} }) { |
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| 39 | for (sort { (length $b) <=> (length $a) } split /\|/, $match->[0]) { |
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| 40 | if ($reply =~ /\b\Q$_\E\b/i) { |
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| 41 | push @kw, $_; |
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| 42 | last; |
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| 43 | } |
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| 44 | } |
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| 45 | } |
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| 46 | |
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| 47 | $pl->send ("ext $dialog->{token} msg " . join "\x00", $reply, @kw); |
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| 48 | return; |
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| 49 | } |
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| 50 | } |
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| 51 | } |
40 | } |
| 52 | |
41 | |
| 53 | $pl->send ("ext $dialog->{token} msg ..."); |
42 | $_[0]->w->stop unless keys %dialog; |
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43 | }); |
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44 | |
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45 | sub dialog_tell { |
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46 | my ($id, $dialog, $msg) = @_; |
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47 | |
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48 | my $pl = $dialog->{ob}->contr; |
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49 | my ($reply, @kw) = $dialog->tell ($msg); |
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50 | $reply = "..." unless $reply; |
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51 | |
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52 | $pl->ext_reply ($id => msgtype => "reply", msg => $reply, add_topics => \@kw); |
| 54 | } |
53 | } |
| 55 | |
54 | |
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55 | =item ... = extcmd lookat { dx => $dx, dy => $dy } |
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56 | |
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57 | "Looks at" the mapspace displaced (dx|dy) relative to the player |
| 56 | # return "interesting" information about the given tile |
58 | and returns "interesting" information about it. |
| 57 | # currently only returns the npc_dialog title when a dialog is possible |
59 | |
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60 | Keys it can return include: |
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61 | |
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62 | npc_dialog => $name |
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63 | There is an npc or other object that can "talk" to the player. |
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64 | |
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65 | =cut |
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66 | |
| 58 | cf::register_extcmd lookat => sub { |
67 | cf::register_extcmd lookat => sub { |
| 59 | my ($pl, $data) = @_; |
68 | my ($pl, $msg) = @_; |
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69 | my ($dx, $dy) = @$msg{qw(dx dy)}; |
| 60 | |
70 | |
| 61 | my ($token, $dx, $dy) = split / /, $data; |
71 | my $near = (abs $dx) <= 2 && (abs $dy) <= 2; |
| 62 | |
72 | |
| 63 | my %res; |
73 | my %res; |
| 64 | |
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| 65 | my $near = abs ($dx) <= 2 && abs ($dy) <= 2; |
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| 66 | |
74 | |
| 67 | if ($pl->cell_visible ($dx, $dy)) { |
75 | if ($pl->cell_visible ($dx, $dy)) { |
| 68 | for my $ob ($pl->ob->map->at ($pl->ob->x + $dx, $pl->ob->y + $dy)) { |
76 | for my $ob ($pl->ob->map->at ($pl->ob->x + $dx, $pl->ob->y + $dy)) { |
| 69 | $res{npc_dialog} = $ob->name |
77 | $res{npc_dialog} = $ob->name |
| 70 | if $near && $ob->message =~ /^\@match /; |
78 | if $near && NPC_Dialogue::has_dialogue $ob; |
| 71 | } |
79 | } |
| 72 | } |
80 | } |
| 73 | |
81 | |
| 74 | $pl->send ("ext $token " . join "\x00", %res); |
82 | %res |
| 75 | }; |
83 | }; |
| 76 | |
84 | |
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85 | =item ... = extcmd npc_dialog_begin { msgid => $id, dx => $dx, dy => $dy } |
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86 | |
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87 | Tries to start a dialogue with the mapspace specified by $dx and $dy (see |
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88 | C<extcmd lookat>). The $msgid will be used as a handle for all future |
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89 | messages related to this dialog interaction. |
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90 | |
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91 | It either replies with an error reply or starts a dialog by telling |
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92 | the npc "hi" and returning a reply strcuture as with C<extcmd |
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93 | npc_dialog_tell>. |
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94 | |
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95 | =cut |
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96 | |
| 77 | cf::register_extcmd npc_dialog_begin => sub { |
97 | cf::register_extcmd npc_dialog_begin => sub { |
| 78 | my ($pl, $data) = @_; |
98 | my ($pl, $msg) = @_; |
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99 | my ($id, $dx, $dy) = @$msg{qw(msgid dx dy)}; |
| 79 | |
100 | |
| 80 | my ($token, $dx, $dy) = split / /, $data; |
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| 81 | |
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| 82 | return unless abs ($dx) <= 2 && abs ($dy) <= 2; |
101 | return unless (abs $dx) <= 2 && (abs $dy) <= 2; |
| 83 | return unless $pl->cell_visible ($dx, $dy); |
102 | return unless $pl->cell_visible ($dx, $dy); |
| 84 | |
103 | |
| 85 | for my $npc ($pl->ob->map->at ($pl->ob->x + $dx, $pl->ob->y + $dy)) { |
104 | for my $npc ($pl->ob->map->at ($pl->ob->x + $dx, $pl->ob->y + $dy)) { |
| 86 | if (my @match = parse_message $npc->get_message) { |
105 | if (NPC_Dialogue::has_dialogue $npc) { |
| 87 | $dialog{$token} = { |
106 | $dialog{$id} = new NPC_Dialogue ob => $pl->ob, npc => $npc; |
| 88 | name => $pl->ob->name, |
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| 89 | token => $token, |
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| 90 | npc => $npc, |
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| 91 | match => \@match, |
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| 92 | }; |
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| 93 | |
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| 94 | dialog_tell $dialog{$token}, "hi"; |
107 | dialog_tell $id, $dialog{$id}, "hi"; |
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108 | $timer->start; |
| 95 | return; |
109 | return; |
| 96 | } |
110 | } |
| 97 | } |
111 | } |
| 98 | |
112 | |
| 99 | $pl->send ("ext $token error"); |
113 | (msgtype => "error", msg => "nothing to talk to found") |
| 100 | }; |
114 | }; |
| 101 | |
115 | |
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116 | =item ... = extcmd npc_dialog_tell { msgid => $id, msg => $text } |
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117 | |
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118 | Tells the NPC the given $text message and returns a reply structure which |
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119 | can have the following keys: |
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120 | |
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121 | msgtype => "reply" |
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122 | msg => $reply_text, |
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123 | add_topics => [additional topic strings] |
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124 | del_topics => [invalidated topic strings] |
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125 | |
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126 | =cut |
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127 | |
| 102 | cf::register_extcmd npc_dialog_tell => sub { |
128 | cf::register_extcmd npc_dialog_tell => sub { |
| 103 | my ($pl, $data) = @_; |
129 | my ($pl, $msg) = @_; |
| 104 | |
130 | |
| 105 | my ($token, $msg) = split / /, $data, 2; |
131 | dialog_tell $msg->{msgid}, $dialog{$msg->{msgid}}, $msg->{msg} |
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132 | if $dialog{$msg->{msgid}}; |
| 106 | |
133 | |
| 107 | dialog_tell $dialog{$token}, $msg |
134 | () |
| 108 | if $dialog{$token}; |
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| 109 | }; |
135 | }; |
| 110 | |
136 | |
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137 | =item extcmd npc_dialog_end { msgid => $id } |
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138 | |
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139 | Finishes the dialog, invalidating the handle. |
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140 | |
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141 | =cut |
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142 | |
| 111 | cf::register_extcmd npc_dialog_end => sub { |
143 | cf::register_extcmd npc_dialog_end => sub { |
| 112 | my ($pl, $token) = @_; |
144 | my ($pl, $msg) = @_; |
| 113 | |
145 | |
| 114 | delete $dialog{$token}; |
146 | delete $dialog{$msg->{msgid}}; |
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147 | |
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148 | () |
| 115 | }; |
149 | }; |
| 116 | |
150 | |
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151 | cf::attach_to_players |
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152 | on_logout => sub { |
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153 | my ($pl) = @_; |
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154 | |
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155 | delete $dialog{$_} for grep $pl->ob == $dialog{$_}{ob}, keys %dialog; |
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156 | }, |
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157 | ; |
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158 | |
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159 | cf::register_extcmd editor_support => sub { |
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160 | my ($pl, $msg) = @_; |
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161 | |
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162 | ( |
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163 | cvs_root => $cf::CFG{editor_cvs_root}, |
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164 | upload => $cf::CFG{editor_upload}, |
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165 | ) |
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166 | }; |
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167 | |
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168 | sub unload { |
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169 | while (my ($id, $dialog) = each %dialog) { |
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170 | $dialog->{ob}->contr->ext_reply ($id => msgtype => "error", msg => "npc dialogue module was reloaded"); |
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171 | } |
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172 | |
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173 | %dialog = (); |
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174 | } |
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175 | |
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176 | =back |
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177 | |
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178 | =cut |
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179 | |
