zeroclickinfo-goodies/lib/DDG/Goodie/Dice.pm

78 lines
2.2 KiB
Raku

package DDG::Goodie::Dice;
use DDG::Goodie;
triggers start => "roll", "throw";
zci answer_type => "dice_roll";
primary_example_queries 'throw dice';
secondary_example_queries 'roll 5 dice', 'roll 3d12';
description 'give the results of a random die throw';
name 'Dice';
code_url 'https://github.com/duckduckgo/zeroclickinfo-goodies/blob/master/lib/DDG/Goodie/Dice.pm';
category 'random';
topics 'math';
attribution twitter => 'crazedpsyc',
cpan => 'CRZEDPSYC' ;
handle remainder => sub {
if ($_ =~ /^(?:die|(\d{0,2})\s*dice)$/) {
my @output;
my $rolls = 1; # If "die" is entered
my $choices = 6; # To be replace with input string in the future
if (defined($1)) { # Not defined if number of "dice" not specified
if ($1 eq "") {
$rolls = 2;
}
else {
$rolls = $1;
}
}
for (1 .. $rolls) {
my $roll = int(rand($choices)) + 1;
push @output, $roll;
}
return join(' ', @output) if @output;
}
elsif ($_ =~ /^(\d{0,4})[d|w](\d+)\s?([+-])?\s?(\d+|[lh])?$/) { # 'w' is the German form
my $output;
my $number_of_dice = $1 || 1;
my $number_of_faces = $2;
my @rolls;
my $sum = 0;
for (1 .. $number_of_dice) {
push(@rolls, int(rand($number_of_faces)) + 1);
}
if (defined($3) && defined($4)) {
# handle special case of " - L" or " - H"
if ($3 eq '-' && ($4 eq 'l' || $4 eq 'h')) {
@rolls = sort(@rolls);
if ($4 eq 'l') {
push(@rolls, -(shift(@rolls)));
} else {
push(@rolls, -(pop(@rolls)));
}
} elsif ($3 eq '+' && ($4 eq 'l' || $4 eq 'h')) {
return;
} else {
push(@rolls, int("$3$4"));
}
}
for (@rolls) {
$sum += $_;
}
if (@rolls > 1) {
$output = join(' + ', @rolls);
$output =~ s/\+\s\-/\- /g;
$output .= " = $sum";
} else {
$output = $sum;
}
return $output if $output;
}
return;
};
1;