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/cvs/deliantra/server/ext/follow.ext
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Comparing deliantra/server/ext/follow.ext (file contents):
Revision 1.21 by root, Tue May 18 21:30:16 2010 UTC vs.
Revision 1.23 by root, Fri May 21 00:42:03 2010 UTC

… …
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
9our $MAX_QUEUE = 5; # the # of positions somebody else can lead 9our $MAX_QUEUE = 5; # the # of positions somebody else can lead
10our %follow; # $followername => [$follower, $target, [$queue]] 10our %FOLLOW; # $followername => [$follower, $target, [$queue]]
11our $FOLLOW_HANDLER;
11 12
12sub unfollow($) { 13sub unfollow($) {
13 my $name = shift; 14 my $name = shift;
14 15
15 if (my $f = delete $follow{$name}) { 16 if (my $f = delete $FOLLOW{$name}) {
16 my ($who, $target, undef) = @$f; 17 my ($who, $target, undef) = @$f;
17 $who->contr->detach ("follow_aborter"); 18 $who->contr->detach ("follow_aborter");
18 $target->message ("$name no longer follows you."); 19 $target->message ("$name no longer follows you.");
19 $who->message ("You no longer follow " . $target->name . "."); 20 $who->message ("You no longer follow " . $target->name . ".");
20 } 21 }
… …
29 my ($pl, $dir) = @_; 30 my ($pl, $dir) = @_;
30 $pl->detach ("follow_aborter"); 31 $pl->detach ("follow_aborter");
31 }, 32 },
32; 33;
33 34
34our $CORO = cf::async { 35sub start_follow_handler {
36 $FOLLOW_HANDLER = cf::async_ext {
35 $Coro::current->{desc} = "follow handler"; 37 $Coro::current->{desc} = "follow handler";
36 38
37 while () { 39 while () {
38 cf::wait_for_tick; 40 cf::wait_for_tick;
39 41
40 for (values %follow) { 42 for (values %FOLLOW) {
41 my ($who, $target, $queue) = @$_; 43 my ($who, $target, $queue) = @$_;
42 44
43 my ($map, $x, $y) = ($target->map, $target->x, $target->y); 45 $target->active
46 or next;
44 47
45 # add new position to queue, if any 48 my ($map, $x, $y) = ($target->map, $target->x, $target->y);
46 push @$queue, [$map, $x, $y]
47 if $map != $queue->[-1][0]
48 || $x != $queue->[-1][1]
49 || $y != $queue->[-1][2];
50 49
51 # try to move to oldest position 50 # add new position to queue, if any
52 if (@$queue > $MAX_QUEUE) { 51 push @$queue, [$map, $x, $y]
53 $who->message ($target->name . " is too far away - you can't follow anymore!"); 52 if $map != $queue->[-1][0]
54 unfollow $target->name; 53 || $x != $queue->[-1][1]
55 } else { 54 || $y != $queue->[-1][2];
56 my ($map, $x, $y) = @{ $queue->[0] };
57 55
58 $map->load; 56 # try to move to oldest position
57 if (@$queue > $MAX_QUEUE) {
58 $who->message ($target->name . " is too far away - you can't follow anymore!");
59 unfollow $target->name;
60 } elsif (@$queue) {
61 my ($map, $x, $y) = @{ $queue->[0] };
59 62
63 $map->load;
64
60 if ( 65 if (
61 !$map->valid 66 !$map->valid
62 or $map->path !~ /^(\{link\}|\/)/ 67 or $map->path !~ /^(\{link\}|\/)/
63 or grep $_->flag (cf::FLAG_IS_FLOOR) && ($_->flag (cf::FLAG_UNIQUE) || $_->type == cf::SHOP_FLOOR), 68 or grep $_->flag (cf::FLAG_IS_FLOOR) && ($_->flag (cf::FLAG_UNIQUE) || $_->type == cf::SHOP_FLOOR),
64 $map->at ($x, $y)) 69 $map->at ($x, $y)
65 ) { 70 ) {
66 $who->message ("You can't follow " . $target->name . " anymore!"); 71 $who->message ("You can't follow " . $target->name . " anymore!");
67 unfollow $who->name; 72 unfollow $who->name;
68 } elsif (!$who->blocked ($map, $x, $y)) { 73 } elsif (!$who->blocked ($map, $x, $y)) {
69 shift @$queue; 74 shift @$queue;
70 $who->goto ($map, $x, $y); 75 $who->goto ($map, $x, $y);
76 }
71 } 77 }
72 } 78 }
79
80 Coro::schedule unless keys %FOLLOW;
73 } 81 }
82 };
83}
74 84
75 Coro::schedule unless keys %follow; 85start_follow_handler;
76 }
77};
78 86
79cf::register_command follow => sub { 87cf::register_command follow => sub {
80 my ($who, $args) = @_; 88 my ($who, $args) = @_;
81 89
82 my $name = $who->name; 90 my $name = $who->name;
… …
89 && abs ($other->x - $who->x) <= 1 97 && abs ($other->x - $who->x) <= 1
90 && abs ($other->y - $who->y) <= 1 98 && abs ($other->y - $who->y) <= 1
91 ) { 99 ) {
92 $who->message ("Following player '$args', to stop, type: 'follow"); 100 $who->message ("Following player '$args', to stop, type: 'follow");
93 $other->message ("$name is now following your every step..."); 101 $other->message ("$name is now following your every step...");
94 $follow{$name} = [ 102 $FOLLOW{$name} = [
95 $who, 103 $who,
96 $other, 104 $other,
97 [[$other->map, $other->x, $other->y]], 105 [[$other->map, $other->x, $other->y]],
98 ]; 106 ];
99 $who->contr->attach ("follow_aborter"); 107 $who->contr->attach ("follow_aborter");
100 $CORO->ready; 108 $FOLLOW_HANDLER->ready;
101 } else { 109 } else {
102 $who->message ("You must stand directly beside '$args' to follow her/him"); 110 $who->message ("You must stand directly beside '$args' to follow her/him");
103 delete $follow{$name}; 111 delete $FOLLOW{$name};
104 } 112 }
105 } else { 113 } else {
106 $who->message ("Cannot follow '$args': no such player"); 114 $who->message ("Cannot follow '$args': no such player");
107 delete $follow{$name}; 115 delete $FOLLOW{$name};
108 } 116 }
109 } else { 117 } else {
110 $who->message ("follow mode off"); 118 $who->message ("follow mode off");
111 delete $follow{$name}; 119 delete $FOLLOW{$name};
112 } 120 }
113}; 121};
114 122
115sub unregister { 123sub unregister {
116 my ($pl) = @_; 124 my ($pl) = @_;
117 125
118 my $name = $pl->ob->name; 126 my $name = $pl->ob->name;
119 127
120 unfollow $name; 128 unfollow $name;
121 129
122 while (my ($k, $v) = each %follow) { 130 while (my ($k, $v) = each %FOLLOW) {
123 unfollow $k 131 unfollow $k
124 if $v->[1]->name eq $name; 132 if $v->[1]->name eq $name;
125 } 133 }
126} 134}
127 135

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