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/cvs/deliantra/server/ext/follow.ext
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Comparing deliantra/server/ext/follow.ext (file contents):
Revision 1.1 by root, Fri Dec 15 19:29:18 2006 UTC vs.
Revision 1.19 by root, Sun May 2 19:42:15 2010 UTC

… …
4# TODO: check for player leaving 4# TODO: check for player leaving
5 5
6# implement a 'follow' command 6# implement a 'follow' command
7# don't follow on damned ground 7# don't follow on damned ground
8 8
9sub teleport { 9our $MAX_QUEUE = 5; # the # of positions somebody else can lead
10 my ($pl, $map, $x, $y) = @_; 10our %follow; # $followername => [$follower, $target, [$queue]]
11 11
12 return if $pl->ob->map->path eq $map 12sub unfollow($) {
13 && abs ($pl->ob->x - $x) <= 1 13 my $name = shift;
14 && abs ($pl->ob->y - $y) <= 1;
15 14
16 my $portal = cf::object::new "exit"; 15 if (my $f = delete $follow{$name}) {
17 16 my ($who, $target, undef) = @$f;
18 $portal->slaying ($map); 17 $who->contr->detach ("follow_aborter");
19 $portal->stats->hp ($x); 18 $target->message ("$name no longer follows you.");
20 $portal->stats->sp ($y); 19 $who->message ("You no longer follow " . $target->name . ".");
21 20 }
22 $portal->apply ($pl->ob);
23
24 $portal->free;
25} 21}
26 22
27my %follow; 23cf::player::attachment follow_aborter =>
24 on_move => sub {
25 my ($pl, $dir) = @_;
26 unfollow $pl->ob->name;
27 },
28 on_login => sub {
29 my ($pl, $dir) = @_;
30 $pl->detach ("follow_aborter");
31 },
32;
28 33
29my $timer = Event->timer (interval => 0.2, parked => 1, data => cf::WF_AUTOCANCEL, cb => sub { 34our $CORO = cf::async {
30 while (my ($name, $v) = each %follow) { 35 $Coro::current->{desc} = "follow handler";
31 my ($target, $his, $mine) = @$v;
32 my ($who, $other) = (cf::player::find $name, cf::player::find $target);
33 36
34 if ($who && $other && $other->ob->map) { 37 while () {
35 my ($map, $x, $y) = ($other->ob->map->path, $other->ob->x, $other->ob->y); 38 cf::wait_for_tick;
36 39
37 if ($map ne $his->[0] || $x != $his->[1] || $y != $his->[2]) { 40 for (values %follow) {
38 @$mine = @$his; 41 my ($who, $target, $queue) = @$_;
42
43 my ($map, $x, $y) = ($target->map, $target->x, $target->y);
44
45 # add new position to queue, if any
46 push @$queue, [$map, $x, $y]
47 if $map != $queue->[-1][0]
48 || $x != $queue->[-1][1]
49 || $y != $queue->[-1][2];
50
51 # try to move to oldest position
52 if (@$queue > $MAX_QUEUE) {
53 $who->message ($target->name . " is too far away - you can't follow anymore!");
54 unfollow $target->name;
55 } else {
56 my ($map, $x, $y) = @{ $queue->[0] };
57
58 $map->load;
59
60 if (
61 $map->path !~ /^(\{link\}|\/)/
62 or grep $_->flag (cf::FLAG_IS_FLOOR) && ($_->flag (cf::FLAG_UNIQUE) || $_->type == cf::SHOP_FLOOR),
63 $map->at ($x, $y)
64 ) {
65 $who->message ("You can't follow " . $target->name . " anymore!");
66 unfollow $who->name;
67 } elsif (!$who->blocked ($map, $x, $y)) {
68 shift @$queue;
39 @$his = ($map, $x, $y); 69 $who->goto ($map, $x, $y);
70 }
40 } 71 }
72 }
41 73
42 my $map; 74 Coro::schedule unless keys %follow;
43
44 if ($map = cf::map::find $mine->[0]
45 and !grep $_->flag (cf::FLAG_UNIQUE) && $_->flag (cf::FLAG_IS_FLOOR),
46 $map->at ($mine->[1], $mine->[2])) {
47 teleport $who, @$mine;
48 } else {
49 delete $follow{$name};
50 $who->ob->message ("You can't follow $target anymore!");
51 }
52 } else {
53 delete $follow{$name};
54 $who->ob->message ("$target is gone...");
55 }
56 } 75 }
57
58 $_[0]->w->stop unless keys %follow;
59}); 76};
60 77
61cf::register_command follow => sub { 78cf::register_command follow => sub {
62 my ($who, $args) = @_; 79 my ($who, $args) = @_;
63 80
64 my $name = $who->name; 81 my $name = $who->name;
65 82
66 if ($args ne "" && $name ne $args) { 83 if ($args ne "" && $name ne $args) {
67 if (my $other = cf::player::find $args) { 84 if (my $other = cf::player::find_active $args) {
85 $other = $other->ob;
86
68 if ($other->ob->map->path eq $who->map->path 87 if ($other->map == $who->map
69 && abs ($other->ob->x - $who->x) <= 1 88 && abs ($other->x - $who->x) <= 1
70 && abs ($other->ob->y - $who->y) <= 1) { 89 && abs ($other->y - $who->y) <= 1
90 ) {
71 $who->message ("Following player '$args', to stop, type: 'follow"); 91 $who->message ("Following player '$args', to stop, type: 'follow");
72 $other->ob->message ("$name is now following your every step..."); 92 $other->message ("$name is now following your every step...");
73 $follow{$name} = [ 93 $follow{$name} = [
94 $who,
74 $args, 95 $other,
75 [$other->ob->map->path, $other->ob->x, $other->ob->y], 96 [[$other->map, $other->x, $other->y]],
76 [$who->map->path, $who->x, $who->y],
77 ]; 97 ];
78 $timer->start; 98 $who->contr->attach ("follow_aborter");
99 $CORO->ready;
79 } else { 100 } else {
80 $who->message ("You must stand directly beside '$args' to follow her/him"); 101 $who->message ("You must stand directly beside '$args' to follow her/him");
81 delete $follow{$name}; 102 delete $follow{$name};
82 } 103 }
83 } else { 104 } else {
… …
88 $who->message ("follow mode off"); 109 $who->message ("follow mode off");
89 delete $follow{$name}; 110 delete $follow{$name};
90 } 111 }
91}; 112};
92 113
93cf::attach_to_players 114sub unregister {
94 on_death => sub {
95 my ($pl) = @_; 115 my ($pl) = @_;
96 116
97 my $name = $pl->ob->name; 117 my $name = $pl->ob->name;
98 118
99 delete $follow{$name}; 119 unfollow $name;
100 120
101 while (my ($k, $v) = each %follow) { 121 while (my ($k, $v) = each %follow) {
122 unfollow $k
102 if ($v->[0] eq $name) { 123 if $v->[1]->name eq $name;
103 delete $follow{$k};
104 }
105 }
106 }, 124 }
107; 125}
126
127cf::player->attach (
128 on_death => \&unregister,
129 on_logout => \&unregister,
130);
108 131
109 132
110 133
111 134

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