X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.db-test.git;a=blobdiff_plain;f=ypp-restock-rum;h=1b0a11f48cfaee7ad58c46def2192031cebcbf2e;hp=7587a3c79bf1d0ec7c062219c26126d617c19129;hb=9b746cc0a0512dd570aa5d4b6185bc1007f74b03;hpb=b6ecb7d63adfddaa239120d6e99f35de211a93e8;ds=sidebyside

diff --git a/ypp-restock-rum b/ypp-restock-rum
index 7587a3c..1b0a11f 100755
--- a/ypp-restock-rum
+++ b/ypp-restock-rum
@@ -1,4 +1,26 @@
 #!/usr/bin/perl -w
+# This is part of ypp-sc-tools, a set of third-party tools for assisting
+# players of Yohoho Puzzle Pirates.
+#
+# Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+# are used without permission.  This program is not endorsed or
+# sponsored by Three Rings.
+
 use strict qw(vars);
 use IO::Handle;
 use POSIX;
@@ -14,19 +36,24 @@ where <information> is
   price  <swill> <grog>  <fine> [<shot>]
 
 Each of which may appear only once, except \`have' which may appear
-more than once which case we calculate the differences and the profit
-for each one.
+more than once which case we calculate the financial implications
+at each stage.
 
-If /<shot> is not specified at all, relevant information about shot is
-not reported.  For have and want, specifying an empty string means
-zero.  Entirely Missing <swill>/<grog>/ is taken as if both were
-specified and zero.
+Missing entries count as zero (and zeroes are not displayed in the output).
+In price, \`x' means the commodity is unavailable.
 
-In price, missing entries mean the commodity is unavailable.
+The intended use is that at the start of the pillage you run:
+   ypp-restock-rum have ... want ...
+to check that stocks are sufficient, or perhaps:
+   ypp-restock-rum have ... want ... price ...
+if you want to stock up some more.  At the end of the pillage,
+run the same thing again with some extra parameters:
+   ypp-restock-rum have .. want ... have ... price ...
+and it will tell you how you did and what the restock should be like.
 END
 ;
 
-our (@vals) = qw(swill grog fine shot);
+our (@kinds) = qw(Swill Grog Fine Shot);
 our (@proofs) = qw(40 60 100);
 
 sub parse_info ($$$\@$) {
@@ -35,7 +62,7 @@ sub parse_info ($$$\@$) {
     badusage("$what: specified more than once")
 	if defined $storeary->[2];
     my (@v) = ();
-    while (@ARGV and $ARGV[0] =~ m/^\d/) {
+    while (@ARGV and $ARGV[0] =~ m/^\d|^x$/) {
 	$_ = shift @ARGV;
 	push @v, $_;
     }
@@ -53,30 +80,43 @@ sub parse_info ($$$\@$) {
 	push @v, $default;
     }
     if (@v != 4) {
-	badusage("$what: invalid syntax (wrong number of /s)");
+	badusage("$what: invalid syntax (wrong number of parameters)");
     }
     my $i=0;
     foreach $_ (@v) {
-	$_ = $default if !length;
-	m/^0*(\d+)$/ or badusage("$what: $vals[$i] \`$_': bad syntax");
-	$_= $1;
+	if ($default>0 and m/^x$/) {
+	    $_ = $default;
+	} elsif (m/^0*(\d+)$/) {
+	    $_= $1;
+	} else {
+	    badusage("$what: $kinds[$i] \`$_': bad syntax");
+	}
 	$i++;
     }
     @$storeary = @v;
 }
 
-our (@haves,@want,@price);
+our (@have,@want,@price);
 
 sub parse_args () {
-    @ARGV or badusage("need some information to go on");
+    if (!@ARGV) {
+	print STDERR <<END or die $!;
+
+ypp-restock-rum is part of ypp-sc-tools  Copyright (C) 2009 Ian Jackson
+This program comes with ABSOLUTELY NO WARRANTY; this is free software,
+and you are welcome to redistribute it under certain conditions.
+For details, read the top of the ypp-restock-rum file.
+END
+        badusage("need some information to go on");
+    }
     while (@ARGV) {
 	$_ = shift @ARGV;
 	if (m/^have$/) {
-	    parse_info(1,0,1, @{ $haves[@haves] }, 'BUG');
+	    parse_info(1,0,1, @{ $have[@have] }, 'have');
 	} elsif (m/^want$/) {
 	    parse_info(1,0,0, @want, 'want');
-	} elsif (m/^price$/) {
-	    parse_info(0,1e6,0, @price, 'price');
+	} elsif (m/^prices?$|^costs?$/) {
+	    parse_info(0,1e7,0, @price, 'price');
 	} else {
 	    badusage("unknown information argument \`$_'");
 	}
@@ -85,149 +125,230 @@ sub parse_args () {
 
 sub badusage ($) {
     my ($m) = @_;
-    print STDERR "bad usage: $m\n\n$usage\n";
+    print STDERR "\nbad usage: $m\n\n$usage\n";
     exit 16;
 }
 
-parse_args();
-use Data::Dumper;
-print Dumper({ Have => \@haves, Want => \@want, Price => \@price });
+our $ff = '%6.1f';
+
+sub valid ($) {
+    my ($x) = @_;
+    defined $x and $x and $x<1e5;
+}    
+
+sub prvff ($$\@$) {
+    my ($what, $format, $ary, $unit) = @_;
+    printf("%-25s", "$what:");
+    for my $i (qw(0 1 2 3)) {
+	my $x= $ary->[$i];
+	my $y= valid($x) ? sprintf $format, $x : '    ';
+	printf " %-9s", $y;
+    }
+    printf "  %s\n", $unit;
+}
+
+sub pr ($\@$) {
+    my ($what, $ary, $unit) = @_;
+    prvff($what, '%4d  ', @$ary, $unit);
+}
+
+sub prf ($\@$) {
+    my ($what, $ary, $unit) = @_;
+    prvff($what, $ff, @$ary, $unit);
+}
+
+sub pr1 ($$) {
+    my ($k,$v) = @_;
+    printf "%-20s %s\n", "$k:", $v;
+}
+sub fmt_stock_index ($) {
+    my ($si) = @_;
+    @have==1 ? '' : ' #'.$si;
+}
+
+sub rum_total (\@) {
+    my ($rums) = @_;
+    my $total= 0;
+    foreach my $i (qw(0 1 2)) {
+	$total += $rums->[$i] * $proofs[$i] / 100;
+    }
+    return $total;
+}
 
 our @norm_price;
-our $best;
+our ($best, $best_norm_price);
+
+sub print_inputs () {
+    printf("%25s",'');
+    map { printf " %5s    ", $_ } @kinds;
+    print "\n\n";
+    pr('prices', @price, 'poe ea.') if valid(@price);
+    pr('target stocks', @want, 'units') if valid(@want);
+    my $si=0; for my $stocks (@have) {
+	pr('actual stocks'.fmt_stock_index(++$si),
+	   @$stocks, 'units');
+    }
+    print "\n";
+}
 
 sub compute_cheapest_rum() {
     return unless @price;
 
+    my (@perorder) = map { $_*10 } @price;
+    prf('equiv. ordering price', @perorder, 'poe/order');
+
     $best= undef;
-    my $best_norm_price= 1e5;
+    $best_norm_price= 1e6;
     for my $i (qw(0 1 2)) {
 	next unless $price[$i];
-	$norm_price[$i] = $price[$i] * $proof[$i] / $proof[$i];
+	$norm_price[$i] = $price[$i] * 100 / $proofs[$i];
 	if ($norm_price[$i] <= $best_norm_price) {
 	    $best= $i;
+	    $best_norm_price= $norm_price[$i];
 	}
     };
     prf('normalised prices', @norm_price, 'poe/fine');
+
     if (defined $best) {
-	printf "best is %s\n\n", $best;
-    } else {
-	die "no rum available ?\n";
+	printf "best is %-10s%*s^^\n",
+	    $kinds[$best],
+	    $best*10+10, '';
+	my (@bestperorder) = map {
+	    $best_norm_price * $proofs[$_] / 100 * 10;
+	} qw(0 1 2);
+	#push @bestperorder, $perorder[3];
+	prf('best is equiv. ordering', @bestperorder, 'poe/order');
     }
+    print "\n";
 }
 
+sub pr1s ($) {
+    my ($x) = @_;
+    if (valid($x)) {
+	printf ' %9.1f', $x;
+    } else {
+	printf "          ";
+    }
+}
 
+sub compute_stock_values() {
+    return unless @have;
+    print @have>1 ? <<END
 
-__DATA__
+                _____Rum_____      ___Shot___      total      _____Profit___
+             fine equiv.  value   qty    value     value     per leg     total
+END
+: <<END
+                             Rum      Rum             Shot    Shot     total
+                            equiv.   value           stocks   value    value
+END
+;
 
-our $ff = '%6.1f';
+    my $initial_value;
+    my $last_value;
+    my $si=0; for my $stocks (@have) {
+	my $stock_rum = rum_total(@$stocks);
+	my $rum_value= defined($best) ? $stock_rum * $best_norm_price : 0;
+	my $shot_value= valid($price[3]) ? $stocks->[3] * $price[3] : 0;
+	my $total_value= $rum_value + $shot_value;
 
-sub prvff ($$\%$) {
-    my ($what, $format, $ary, $unit) = @_;
-    printf("%-40s", "$what:");
-    map {
-	my $x= $ary->{$_};
-	my $y= defined $x ? sprintf $format, $x : '   x';
-	printf " %-10s", $y;
-    } @rums;
-    printf "  %s\n", $unit;
+	printf "%-10s ", 'stocks'.fmt_stock_index(++$si).':';
+	print '            ' if @have==1;
+	pr1s($stock_rum);
+	pr1s($rum_value);
+	print '        ' if @have==1;
+	printf "%6s", $stocks->[3] ? $stocks->[3] : '';
+	pr1s($shot_value);
+	pr1s($total_value);
+	
+	if (defined $last_value) {
+	    printf(" %10.1f %10.1f",
+		   $total_value - $last_value,
+		   $total_value - $initial_value);
+	}
+	$initial_value= $total_value unless defined $initial_value;
+	$last_value= $total_value;
+	print "\n";
+    }
+    print "\n" if @have>1;
+    print "\n";
 }
 
-sub pr ($\%$) {
-    my ($what, $ary, $unit) = @_;
-    prvff($what, '%4d  ', %$ary, $unit);
+sub pr2 ($$$) {
+    my ($k,$v1,$v2) = @_;
+    printf "%-25s %-23s %s\n", "$k:", $v1, $v2;
 }
 
-sub prf ($\%$) {
-    my ($what, $ary, $unit) = @_;
-    prvff($what, $ff, %$ary, $unit);
+sub pr2rs ($$$) {
+    my ($k,$rum,$shot) = @_;
+    pr2($k,
+	valid($rum) ? sprintf("%12.1f fine equiv", $rum) : '',
+	valid($shot) ? sprintf("%10d shot", $shot) : '');
 }
 
-sub pr1 ($$) {
-    my ($k,$v) = @_;
-    printf "%-20s %s\n", "$k:", $v;
-}
+sub compute_restock_requirements () {
+    return unless @want;
+    
+    my $rum_want= rum_total(@want);
 
-our ($best);
+    my $stocks= @have ? $have[-1] : [qw(0 0 0 0)];
+    my $rum_have= rum_total(@$stocks);
+    
+    pr2rs('desired stock level', $rum_want, $want[3]);
 
-our $have_proof;
+    my $rum_need = $rum_want - $rum_have;
+    my $shot_need = $want[3] - $stocks->[3];
 
-sub print_inputs () {
-    printf("%40s",'');
-    map { printf " %5s     ", $_ } @rums;
-    print "\n\n";
-    if (defined $price{Swill}) {
-	map { $price{$_}= undef if $price{$_} eq 'x' } @rums;
-	pr('prices', %price, 'poe ea.');
+    if (@have) {
+	pr2rs('current stock', $rum_have, $stocks->[3]);
+	pr2rs('restock requirement', $rum_need, $shot_need);
+	print "\n";
     }
-    if (defined $have{Swill}) {
-	$have_proof= 0;
-	map { $have_proof += $have{$_} * $proof{$_} } @rums;
-	pr('stock on board', %have, 'rum');
-    }
-}
 
-our ($need_proof, %need, %buy);
-
-sub compute_restock_requirements () {
-    if ($ship =~ m/^\d+/) {
-	$need{Fine} = $ship;
-    } else {
-	$ship =~ y/_/ /;
-	open F, "/home/ian/private/puzzle-pirates" or die $!;
-	my $this_ship= 0;
-	my $the_ship;
-	while (<F>) {
-	    if (!m/\S/ || m/^\s*\#/) {
-		$this_ship= 0;
-		next;
-	    }
-	    if (!m/^\@/) {
-		next;
+    if (@price) {
+	my ($rum_buy,$shot_buy) = ('','');
+	my ($rum_bill,$shot_bill) = qw(0 0);
+	my $ok=1;
+	if ($rum_need > 0) {
+	    if (defined $best) {
+		my $rum_qty= $rum_need * 100 / $proofs[$best];
+		$rum_qty= ceil($rum_qty);
+		$rum_buy= sprintf('%12s %-11s  ',
+				  "** $rum_qty","$kinds[$best] **");
+		$rum_bill= $rum_qty * $price[$best];
+	    } else {
+		$rum_buy= '   (rum unavailable)';
+		$ok= 0;
 	    }
-	    if (m/^\@(( [A-Z][-a-z]+){2,})\s*$/) {
-		$this_ship= (uc $1 eq uc " $ship" or
-			     uc $+ eq uc " $ship");
-		$the_ship= $1;
-		next;
-	    }
-	    next unless $this_ship;
-	    if (m/^\@\s+(\d+)\s+fine\s*/) {
-		$need{Fine} = $1;
-		last;
+	}
+	if ($shot_need > 0) {
+	    if (valid($price[3])) {
+		$shot_buy= sprintf('%7s shot **', "** $shot_need");
+		$shot_bill= $shot_need * $price[3];
+	    } else {
+		$shot_buy= '  (shot unavailable)';
+		$ok= 0;
 	    }
 	}
-	die $! if F->error;
-	die "unknown ship $ship" unless defined $need{Fine};
-	if (defined $ship) {
-	    pr1("vessel",$the_ship);
+	if (length($rum_buy) or length($shot_buy)) {
+	    pr2($ok
+		? sprintf('for a total of %d poe', $rum_bill + $shot_bill)
+		: 'for',
+		$rum_bill ? sprintf("%12d poe       ", $rum_bill) : '',
+		$shot_bill ? sprintf("%10d poe", $shot_bill) : '');
+	    pr2('BUY', $rum_buy, $shot_buy);
+	} else {
+	    print "stocks are sufficient.\n";
 	}
+	print "\n";
     }
-    pr1('desired stock level', sprintf("%4d fine rum", $need{Fine}));
-    $need_proof= $need{Fine} * $proof{Fine} - $have_proof;
-    map {
-	$buy{$_} = $need_proof / $proof{$_};
-    } @rums;
-    pr1("stock equivalent", sprintf "$ff fine rum", $have_proof / $proof{Fine});
-    pr1("restock equivalent", sprintf "$ff fine rum", $need_proof / $proof{Fine});
-    prf('would need', %buy, 'rum');
-}
-
-sub compute_restock_cheapest_rum() {
-    my %bill;
-    map {
-	$bill{$_} = $buy{$_} * $price{$_} if defined $price{$_};
-    } @rums;
-    prf('nominal bill', %bill, 'poe');
-    print "\n";
-    if ($need_proof < 0) {
-	printf "stocks are sufficient";
-    } else {
-	my $buy= ceil($buy{$best});
-	printf "buy %d %s at %d poe each for %d poe",
-	    $buy, $best, $price{$best}, $buy * $price{$best};
-    }
-    print "\n\n";
 }
 
-main();
+parse_args();
+print_inputs();
+compute_cheapest_rum();
+compute_stock_values();
+compute_restock_requirements();
+
+STDOUT->error and die $!;
+close STDOUT or die $!;