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#! perl |
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# implement a 'follow' command |
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my %follow; |
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cf::register_command follow => 0, sub { |
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my ($who, $args) = @_; |
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my $name = $who->name; |
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if ($args ne "" && $name ne $args) { |
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if (cf::player::find $args) { |
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$who->message ("following player '$args', to stop, type: 'follow"); |
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$follow{$name} = $args; |
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} else { |
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$who->message ("cannot follow '$args': no such player"); |
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} |
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} else { |
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$who->message ("follow mode off"); |
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delete $follow{$name}; |
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} |
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}; |
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sub on_clock { |
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my ($event) = @_; |
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return unless %follow; |
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while (my ($name, $target) = each %follow) { |
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my ($who, $other) = (cf::player::find $name, cf::player::find $target); |
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if ($who && $other) { |
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$who->ob->teleport ($other->ob->map, $other->ob->x, $other->ob->y); |
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} else { |
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warn "follow: $name or $target is gone, removing from follow list\n"; |
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delete $follow{$name}; |
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} |
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} |
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} |
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