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/cvs/deliantra/server/ext/follow.ext
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Comparing deliantra/server/ext/follow.ext (file contents):
Revision 1.12 by root, Mon Oct 8 14:32:44 2007 UTC vs.
Revision 1.18 by root, Sun May 2 19:04:01 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
9my %follow; 9our $MAX_QUEUE = 5; # the # of positions somebody else can lead
10our %follow; # $followername => [$follower, $target, [$queue]]
10 11
11my $timer = Event->timer (interval => 0.2, parked => 1, data => cf::WF_AUTOCANCEL, cb => sub { 12our $CORO = cf::async {
12 while (my ($name, $v) = each %follow) { 13 $Coro::current->{desc} = "follow handler";
13 my ($target, $his, $mine) = @$v;
14 my ($who, $other) = (cf::player::find_active $name, cf::player::find_active $target);
15 14
16 if ($who && $other && $other->ob->map) { 15 while () {
17 my ($map, $x, $y) = ($other->ob->map->path, $other->ob->x, $other->ob->y); 16 cf::wait_for_tick;
18 17
19 if ($map ne $his->[0] || $x != $his->[1] || $y != $his->[2]) { 18 for (values %follow) {
20 @$mine = @$his; 19 my ($who, $target, $queue) = @$_;
20
21 my ($map, $x, $y) = ($target->map, $target->x, $target->y);
22
23 # add new position to queue, if any
24 push @$queue, [$map, $x, $y]
25 if $map != $queue->[-1][0]
26 || $x != $queue->[-1][1]
27 || $y != $queue->[-1][2];
28
29 # try to move to oldest position
30 if (@$queue > $MAX_QUEUE) {
31 delete $follow{$who->name};
32 $who->message ($target->name . " is too far away - you can't follow anymore!");
33 } else {
34 my ($map, $x, $y) = @{ $queue->[0] };
35
36 $map->load;
37
38 if (
39 $map->path !~ /^(\{link\}|\/)/
40 or grep $_->flag (cf::FLAG_IS_FLOOR) && ($_->flag (cf::FLAG_UNIQUE) || $_->type == cf::SHOP_FLOOR),
41 $map->at ($x, $y)
42 ) {
43 delete $follow{$who->name};
44 $who->ob->message ("You can't follow " . $target->name . " anymore!");
45 } elsif (!$who->blocked ($map, $x, $y)) {
46 shift @$queue;
21 @$his = ($map, $x, $y); 47 $who->goto ($map, $x, $y);
48 }
22 } 49 }
50 }
23 51
24 my $map; 52 Coro::schedule unless keys %follow;
25
26 if ($map = cf::map::find $mine->[0]
27 and $map =~ /^\// # short-gap fix
28 and !grep +($_->flag (cf::FLAG_UNIQUE) || $_->type == cf::SHOP_FLOOR) && $_->flag (cf::FLAG_IS_FLOOR),
29 $map->at ($mine->[1], $mine->[2])) {
30 $who->ob->goto (@$mine);
31 } else {
32 delete $follow{$name};
33 $who->ob->message ("You can't follow $target anymore!");
34 }
35 } else {
36 delete $follow{$name};
37 $who->ob->message ("$target is gone...");
38 }
39 } 53 }
40
41 $_[0]->w->stop unless keys %follow;
42}); 54};
43 55
44cf::register_command follow => sub { 56cf::register_command follow => sub {
45 my ($who, $args) = @_; 57 my ($who, $args) = @_;
46 58
47 my $name = $who->name; 59 my $name = $who->name;
48 60
49 if ($args ne "" && $name ne $args) { 61 if ($args ne "" && $name ne $args) {
50 if (my $other = cf::player::find_active $args) { 62 if (my $other = cf::player::find_active $args) {
63 $other = $other->ob;
64
51 if ($other->ob->map == $who->map 65 if ($other->map == $who->map
52 && abs ($other->ob->x - $who->x) <= 1 66 && abs ($other->x - $who->x) <= 1
53 && abs ($other->ob->y - $who->y) <= 1) { 67 && abs ($other->y - $who->y) <= 1
68 ) {
54 $who->message ("Following player '$args', to stop, type: 'follow"); 69 $who->message ("Following player '$args', to stop, type: 'follow");
55 $other->ob->message ("$name is now following your every step..."); 70 $other->message ("$name is now following your every step...");
56 $follow{$name} = [ 71 $follow{$name} = [
72 $who,
57 $args, 73 $other,
58 [$other->ob->map->path, $other->ob->x, $other->ob->y], 74 [[$other->map, $other->x, $other->y]],
59 [$who->map->path, $who->x, $who->y],
60 ]; 75 ];
61 $timer->start; 76 $CORO->ready;
62 } else { 77 } else {
63 $who->message ("You must stand directly beside '$args' to follow her/him"); 78 $who->message ("You must stand directly beside '$args' to follow her/him");
64 delete $follow{$name}; 79 delete $follow{$name};
65 } 80 }
66 } else { 81 } else {
… …
71 $who->message ("follow mode off"); 86 $who->message ("follow mode off");
72 delete $follow{$name}; 87 delete $follow{$name};
73 } 88 }
74}; 89};
75 90
91sub unregister {
92 my ($pl) = @_;
93 my $name = $pl->ob->name;
94 delete $follow{$name};
95
96warn "unfollow $name\n";#d#
97
98 while (my ($k, $v) = each %follow) {
99 if ($v->[1]->name eq $name) {
100warn "unfollow $k\n";#d#
101 delete $follow{$k};
102 }
103 }
104}
105
76cf::player->attach ( 106cf::player->attach (
77 on_death => sub { 107 on_death => \&unregister,
78 my ($pl) = @_; 108 on_logout => \&unregister,
79
80 my $name = $pl->ob->name;
81
82 delete $follow{$name};
83
84 while (my ($k, $v) = each %follow) {
85 if ($v->[0] eq $name) {
86 delete $follow{$k};
87 }
88 }
89 },
90); 109);
91 110
92 111
93 112
94 113

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