8 .../ypp-restock-rum [<information> ...]
10 where <information> is
12 have [<swill> <grog>] <fine> [<hold_shot>+<loaded_shot>]
13 want [<swill> <grog>] <fine> [<shot>]
14 price <swill> <grog> <fine> [<shot>]
16 Each of which may appear only once, except \`have' which may appear
17 more than once which case we calculate the differences and the profit
20 If /<shot> is not specified at all, relevant information about shot is
21 not reported. For have and want, specifying an empty string means
22 zero. Entirely Missing <swill>/<grog>/ is taken as if both were
25 In price, missing entries mean the commodity is unavailable.
29 our (@kinds) = qw(swill grog fine shot);
30 our (@proofs) = qw(40 60 100);
32 sub parse_info ($$$\@$) {
33 my ($omitswgok,$default,$multishot, $storeary, $what) = @_;
34 @ARGV or badusage("missing value for information argument \`$_'");
35 badusage("$what: specified more than once")
36 if defined $storeary->[2];
38 while (@ARGV and $ARGV[0] =~ m/^\d/) {
43 badusage("$what: swill and grog amounts must be specified")
45 @v=($default,$default,@v);
47 if ($multishot and @v==4 and length $v[3]) {
48 $v[3] =~ m/^0*(\d+)\+0*(\d+)$/ or
49 badusage("$what: shot must be specified as <hold>+<loaded>");
56 badusage("$what: invalid syntax (wrong number of /s)");
60 $_ = $default if !length;
61 m/^0*(\d+)$/ or badusage("$what: $kinds[$i] \`$_': bad syntax");
68 our (@haves,@want,@price);
71 @ARGV or badusage("need some information to go on");
75 parse_info(1,0,1, @{ $haves[@haves] }, 'BUG');
77 parse_info(1,0,0, @want, 'want');
78 } elsif (m/^price$/) {
79 parse_info(0,1e6,0, @price, 'price');
81 badusage("unknown information argument \`$_'");
88 print STDERR "bad usage: $m\n\n$usage\n";
95 my ($what, $format, $ary, $unit) = @_;
96 printf("%-40s", "$what:");
97 for my $i (qw(0 1 2)) {
99 my $y= $x>0 && $x<1e5 ? sprintf $format, $x : ' x';
102 printf " %s\n", $unit;
106 my ($what, $ary, $unit) = @_;
107 prvff($what, '%4d ', @$ary, $unit);
111 my ($what, $ary, $unit) = @_;
112 prvff($what, $ff, @$ary, $unit);
117 printf "%-20s %s\n", "$k:", $v;
124 sub compute_cheapest_rum() {
125 return unless @price;
128 my $best_norm_price= 1e5;
129 for my $i (qw(0 1 2)) {
130 next unless $price[$i];
131 $norm_price[$i] = $price[$i] * $proofs[$i] / $proofs[$i];
132 if ($norm_price[$i] <= $best_norm_price) {
136 prf('normalised prices', @norm_price, 'poe/fine');
138 printf "best is %s\n\n", $kinds[$best];
140 die "no rum available ?\n";
146 print Dumper({ Have => \@haves, Want => \@want, Price => \@price });
147 compute_cheapest_rum();
155 sub print_inputs () {
157 map { printf " %5s ", $_ } @rums;
159 if (defined $price{Swill}) {
160 map { $price{$_}= undef if $price{$_} eq 'x' } @rums;
161 pr('prices', %price, 'poe ea.');
163 if (defined $have{Swill}) {
165 map { $have_proof += $have{$_} * $proof{$_} } @rums;
166 pr('stock on board', %have, 'rum');
170 our ($need_proof, %need, %buy);
172 sub compute_restock_requirements () {
173 if ($ship =~ m/^\d+/) {
177 open F, "/home/ian/private/puzzle-pirates" or die $!;
181 if (!m/\S/ || m/^\s*\#/) {
188 if (m/^\@(( [A-Z][-a-z]+){2,})\s*$/) {
189 $this_ship= (uc $1 eq uc " $ship" or
190 uc $+ eq uc " $ship");
194 next unless $this_ship;
195 if (m/^\@\s+(\d+)\s+fine\s*/) {
201 die "unknown ship $ship" unless defined $need{Fine};
203 pr1("vessel",$the_ship);
206 pr1('desired stock level', sprintf("%4d fine rum", $need{Fine}));
207 $need_proof= $need{Fine} * $proof{Fine} - $have_proof;
209 $buy{$_} = $need_proof / $proof{$_};
211 pr1("stock equivalent", sprintf "$ff fine rum", $have_proof / $proof{Fine});
212 pr1("restock equivalent", sprintf "$ff fine rum", $need_proof / $proof{Fine});
213 prf('would need', %buy, 'rum');
216 sub compute_restock_cheapest_rum() {
219 $bill{$_} = $buy{$_} * $price{$_} if defined $price{$_};
221 prf('nominal bill', %bill, 'poe');
223 if ($need_proof < 0) {
224 printf "stocks are sufficient";
226 my $buy= ceil($buy{$best});
227 printf "buy %d %s at %d poe each for %d poe",
228 $buy, $best, $price{$best}, $buy * $price{$best};