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root |
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#! perl |
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# additional support for cfplus client |
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use NPC_Dialogue; |
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=head1 CF+ protocol extensions |
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This module implements protocol extensions for use by the CF+ client, but |
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can be used by other clients as well. It uses the C<extcmd> mechanism |
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exclusively. |
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=over 4 |
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=item ... = extcmd cfplus_support { version => $client_version } |
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Registers the client the the server. the client should send the highest |
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version of the protocol it supports itself, and the server returns the |
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highest version of the protocol it supports in the C<version> key itself. |
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=cut |
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cf::register_extcmd cfplus_support => sub { |
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my ($pl, $msg) = @_; |
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# $msg->{version} |
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(version => 2) |
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}; |
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my %dialog; # currently active dialogs |
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my $timer = Event->timer (interval => 0.2, parked => 1, data => cf::WF_AUTOCANCEL, cb => sub { |
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while (my ($id, $dialog) = each %dialog) { |
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my (undef, $dx, $dy) = $dialog->{ob}->rangevector ($dialog->{npc}); |
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next if (abs $dx) <= 2 && (abs $dy) <= 2; |
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$dialog->{ob}->contr->ext_reply ($id => msgtype => "error", msg => "out of range"); |
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delete $dialog{$id}; |
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} |
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$_[0]->w->stop unless keys %dialog; |
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}); |
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sub dialog_tell { |
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my ($id, $dialog, $msg) = @_; |
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my $pl = $dialog->{ob}->contr; |
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my ($reply, @kw) = $dialog->tell ($msg); |
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$reply = "..." unless $reply; |
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$pl->ext_reply ($id => msgtype => "reply", msg => $reply, add_topics => \@kw); |
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} |
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=item ... = extcmd lookat { dx => $dx, dy => $dy } |
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"Looks at" the mapspace displaced (dx|dy) relative to the player |
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and returns "interesting" information about it. |
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Keys it can return include: |
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npc_dialog => $name |
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There is an npc or other object that can "talk" to the player. |
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=cut |
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cf::register_extcmd lookat => sub { |
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my ($pl, $msg) = @_; |
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my ($dx, $dy) = @$msg{qw(dx dy)}; |
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my $near = (abs $dx) <= 2 && (abs $dy) <= 2; |
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my %res; |
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if ($pl->cell_visible ($dx, $dy)) { |
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for my $ob ($pl->ob->map->at ($pl->ob->x + $dx, $pl->ob->y + $dy)) { |
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$res{npc_dialog} = $ob->name |
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if $near && NPC_Dialogue::has_dialogue $ob; |
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} |
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} |
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%res |
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}; |
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=item ... = extcmd npc_dialog_begin { msgid => $id, dx => $dx, dy => $dy } |
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Tries to start a dialogue with the mapspace specified by $dx and $dy (see |
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C<extcmd lookat>). The $msgid will be used as a handle for all future |
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messages related to this dialog interaction. |
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It either replies with an error reply or starts a dialog by telling |
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the npc "hi" and returning a reply strcuture as with C<extcmd |
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npc_dialog_tell>. |
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=cut |
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cf::register_extcmd npc_dialog_begin => sub { |
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my ($pl, $msg) = @_; |
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my ($id, $dx, $dy) = @$msg{qw(msgid dx dy)}; |
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return unless (abs $dx) <= 2 && (abs $dy) <= 2; |
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return unless $pl->cell_visible ($dx, $dy); |
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for my $npc ($pl->ob->map->at ($pl->ob->x + $dx, $pl->ob->y + $dy)) { |
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if (NPC_Dialogue::has_dialogue $npc) { |
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$dialog{$id} = new NPC_Dialogue ob => $pl->ob, npc => $npc; |
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dialog_tell $id, $dialog{$id}, "hi"; |
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$timer->start; |
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return; |
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} |
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} |
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(msgtype => "error", msg => "nothing to talk to found") |
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}; |
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=item ... = extcmd npc_dialog_tell { msgid => $id, msg => $text } |
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Tells the NPC the given $text message and returns a reply structure which |
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can have the following keys: |
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msgtype => "reply" |
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msg => $reply_text, |
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add_topics => [additional topic strings] |
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del_topics => [invalidated topic strings] |
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=cut |
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cf::register_extcmd npc_dialog_tell => sub { |
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my ($pl, $msg) = @_; |
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dialog_tell $msg->{msgid}, $dialog{$msg->{msgid}}, $msg->{msg} |
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if $dialog{$msg->{msgid}}; |
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() |
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}; |
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=item extcmd npc_dialog_end { msgid => $id } |
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Finishes the dialog, invalidating the handle. |
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=cut |
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cf::register_extcmd npc_dialog_end => sub { |
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my ($pl, $msg) = @_; |
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delete $dialog{$msg->{msgid}}; |
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() |
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}; |
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cf::attach_to_players |
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on_logout => sub { |
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my ($pl) = @_; |
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delete $dialog{$_} for grep $pl->ob == $dialog{$_}{ob}, keys %dialog; |
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}, |
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; |
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=item ... = extcmd editor_support |
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Returns the value required by clients that have an editor to download and |
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upload maps from/to the server. |
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servertype => (game|test) type of this server |
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gameserver => the hostname:port of the normal game server |
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testserver => the hostname:port of the test server the maps can be tested on |
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cvs_root => the (http) url where the cvs root for downloading is located |
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lib_root => the (http) url where crossfire.0 and archetypes can be found |
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upload => the (http) url where clients can upload maps |
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If those values are not supplied or empty strings, the server does not |
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support downloading, uploading, testing, respectively. |
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The upload script expects the following values in a multipart form upload: |
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client: a descriptive string describing the editor and version used to upload |
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path: absolute server-side map path beginning with / |
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map: the map file itself |
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mapdir: the cvs root url originally used to download the map |
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revision: cvs-revision originally used to download the map |
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comment: a comment supplied by the user that documents the changes |
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cf_login: crossfire server login |
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cf_password: crossfire server password, optionally used for authentication purposes |
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=cut |
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cf::register_extcmd editor_support => sub { |
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my ($pl, $msg) = @_; |
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map +($_ => $cf::CFG{"editor_$_"}), qw(servertype gameserver testserver cvs_root lib_root builder_ui) |
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}; |
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sub unload { |
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while (my ($id, $dialog) = each %dialog) { |
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$dialog->{ob}->contr->ext_reply ($id => msgtype => "error", msg => "npc dialogue module was reloaded"); |
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} |
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%dialog = (); |
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} |
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=back |
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=cut |
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