| 1 |
#! perl |
| 2 |
|
| 3 |
# this module implements the part of the magic mapping spell that works on the world map |
| 4 |
# only. |
| 5 |
|
| 6 |
cf::object->attach ( |
| 7 |
type => cf::SPELL, |
| 8 |
subtype => cf::SP_MAGIC_MAPPING, |
| 9 |
on_cast_spell => sub { |
| 10 |
my ($spell, $who, $caster, $dir, $arg) = @_; |
| 11 |
|
| 12 |
my ($map, $x, $y) = ($who->map, $who->x, $who->y); |
| 13 |
|
| 14 |
# dirty check, should maybe allow tiled outdoor maps? |
| 15 |
$map->path =~ m%/world/world_% |
| 16 |
or return; |
| 17 |
|
| 18 |
my $bird = cf::object::new "magic_mapper"; |
| 19 |
my $pl = $caster->contr; |
| 20 |
my $dist = 0; |
| 21 |
$caster->speed_left (-1); $pl->fire_on (0); $pl->run_on (0); |
| 22 |
|
| 23 |
my $duration = $caster->casting_level ($spell) * 150 / 100; |
| 24 |
|
| 25 |
$pl->ns->async (sub { |
| 26 |
while (++$dist < $duration && $bird->valid) { |
| 27 |
my $phi = 2 * $dist ** .5; |
| 28 |
my $dx = (sin $phi) * $phi * 2; |
| 29 |
my $dy = (cos $phi) * $phi * 2; |
| 30 |
|
| 31 |
$bird->insert_ob_in_map_at ($map, $caster, cf::INS_ON_TOP, $x + $dx, $y + $dy) |
| 32 |
or last; |
| 33 |
|
| 34 |
$pl->set_viewpoint ($bird); |
| 35 |
$caster->speed_left (-1); |
| 36 |
cf::wait_for_tick; |
| 37 |
} |
| 38 |
|
| 39 |
$pl->set_viewpoint (undef); |
| 40 |
$caster->speed_left (0); |
| 41 |
$bird->destroy; |
| 42 |
}); |
| 43 |
|
| 44 |
cf::override 1; |
| 45 |
}, |
| 46 |
); |
| 47 |
|
