3 This is part of the YARRG website. YARRG is a tool and website
4 for assisting players of Yohoho Puzzle Pirates.
6 Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
7 Copyright (C) 2009 Clare Boothby
9 YARRG's client code etc. is covered by the ordinary GNU GPL (v3 or later).
10 The YARRG website is covered by the GNU Affero GPL v3 or later, which
11 basically means that every installation of the website will let you
14 This program is free software: you can redistribute it and/or modify
15 it under the terms of the GNU Affero General Public License as
16 published by the Free Software Foundation, either version 3 of the
17 License, or (at your option) any later version.
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU Affero General Public License for more details.
24 You should have received a copy of the GNU Affero General Public License
25 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
28 are used without permission. This program is not endorsed or
29 sponsored by Three Rings.
32 This Mason component is the core trade planner for a specific route.
47 my $sd_condition= sub {
49 my $islandid= $islandids[$ix];
50 if (defined $islandid) {
51 return "${bs}.islandid = $islandid";
53 push @query_params, $archipelagoes[$ix];
54 return "${bs}_islands.archipelago = ?";
59 # $islandpair{$a,$b}= [ $start_island_ix, $end_island_ix ]
61 my $specific= !grep { !defined $_ } @islandids;
64 foreach my $src_i (0..$#islandids) {
65 my $src_isle= $islandids[$src_i];
66 my $src_cond= $sd_condition->('sell',$src_i);
68 foreach my $dst_i ($src_i..$#islandids) {
69 my $dst_isle= $islandids[$dst_i];
70 my $dst_cond= $sd_condition->('buy',$dst_i);
71 if ($dst_i==$src_i and !defined $src_isle) {
72 # we always want arbitrage, but mentioning an arch
73 # once shouldn't produce intra-arch trades
75 "($dst_cond AND sell.islandid = buy.islandid)";
77 push @dst_conds, $dst_cond;
79 if ($specific && !$confusing &&
80 # With a circular route, do not carry goods round the loop
81 !($src_i==0 && $dst_i==$#islandids &&
82 $src_isle == $islandids[$dst_i])) {
83 if ($islandpair{$src_isle,$dst_isle}) {
86 $islandpair{$src_isle,$dst_isle}=
91 push @flow_conds, "$src_cond AND (
98 SELECT sell_islands.islandname org_name,
99 sell_islands.islandid org_id,
100 sell.price org_price,
101 buy_islands.islandname dst_name,
102 buy_islands.islandid dst_id,
104 ".($qa->{ShowStalls} ? "
105 sell.stallid org_stallid,
106 sell_stalls.stallname org_stallname,
108 buy.stallid dst_stallid,
109 buy_stalls.stallname dst_stallname,
112 sum(sell.qty) org_qty,
113 sum(buy.qty) dst_qty,
115 commods.commodname commodname,
116 commods.commodid commodid,
117 commods.unitmass unitmass,
118 commods.unitvolume unitvolume,
119 buy.price - sell.price unitprofit
121 JOIN buy on commods.commodid = buy.commodid
122 JOIN sell on commods.commodid = sell.commodid
123 JOIN islands as sell_islands on sell.islandid = sell_islands.islandid
124 JOIN islands as buy_islands on buy.islandid = buy_islands.islandid
125 ".($qa->{ShowStalls} ? "
126 JOIN stalls as sell_stalls on sell.stallid = sell_stalls.stallid
127 JOIN stalls as buy_stalls on buy.stallid = buy_stalls.stallid
133 AND buy.price > sell.price
134 ".($qa->{ShowStalls} ? "" : "
135 GROUP BY commods.commodid, org_id, org_price, dst_id, dst_price
137 ORDER BY org_name, dst_name, commodname, unitprofit DESC,
138 org_price, dst_price DESC
141 my $sth= $dbh->prepare($stmt);
142 $sth->execute(@query_params);
146 if ($qa->{ShowStalls}) {
147 push @columns, qw(org_name org_stallname dst_name dst_stallname);
149 push @columns, qw(org_name dst_name);
151 push @columns, qw(commodname
152 org_price org_qty dst_price dst_qty
154 MaxQty MaxCapital MaxProfit);
158 % if ($qa->{'debug'}) {
161 <% join(' | ',@query_params) |h %>
165 <& dumptable:start, qa => $qa, sth => $sth &>
168 % while ($f= $sth->fetchrow_hashref()) {
172 $f->{Var}= "f$f->{Ix}";
174 $f->{MaxQty}= $f->{'org_qty'} < $f->{'dst_qty'}
175 ? $f->{'org_qty'} : $f->{'dst_qty'};
176 $f->{MaxProfit}= $f->{MaxQty} * $f->{'unitprofit'};
177 $f->{MaxCapital}= $f->{MaxQty} * $f->{'org_price'};
179 $f->{PctProfit}= sprintf "%3.1f%%",
180 $f->{'dst_price'} * 100.0 / $f->{'org_price'} - 100.0;
182 $f->{"org_stallid"}= $f->{"dst_stallid"}= 'all'
183 if !$qa->{ShowStalls};
185 my @uid= $f->{commodid};
186 foreach my $od (qw(org dst)) {
191 $f->{"${od}_stallid"}
192 if $qa->{ShowStalls};
194 $f->{UidLong}= join '_', @uid;
202 my $this= $uue % $base;
203 print STDERR "uue=$uue this=$this ";
208 $cmpu .= chr($this + ($this < 26 ? ord('a') :
209 $this < 52 ? ord('A')-26
211 print STDERR " uue=$uue this=$this cmpu=$cmpu\n";
212 die "$cmpu $uue ?" if length $cmpu > 20;
216 $f->{UidShort}= $cmpu;
218 if ($qa->{'debug'}) {
223 my $v= m/^[a-z]/ ? ord($&)-ord('a') :
224 m/^[A-Z]/ ? ord($&)-ord('A')+26 :
225 m/^[0-9]/ ? ord($&)-ord('0')+52 :
231 #print STDERR "(next)\n";
233 die "$f->{UidShort} $_ ?" unless defined $mul;
234 $outuid[$#outuid] += $v * $mul;
236 #print STDERR "$f->{UidShort} $_ $& v=$v mul=$mul ord()=".ord($&).
237 # "[vs.".ord('a').",".ord('A').",".ord('0')."]".
238 # " outuid=@outuid\n";
243 my $recons_long= join '_', @outuid;
244 $f->{UidLong} eq $recons_long or
245 die "$f->{UidLong} = $f->{UidShort} = $recons_long ?";
248 if ($qa->{"R$f->{UidShort}"} && !$qa->{"T$f->{UidShort}"}) {
255 <& dumptable:row, qa => $qa, sth => $sth, row => $f &>
257 <& dumptable:end, qa => $qa &>
260 % my $optimise= $specific && !$confusing && @islandids>1;
264 % if (@islandids<=1) {
268 Route contains archipelago(es), not just specific islands.
271 Route is complex - it visits the same island several times
272 and isn't a simple loop.
274 Therefore, optimal trade pattern not calculated.
276 % } else { # ========== OPTMISATION ==========
284 ", map { "$_->{unitprofit} $_->{Var}" } @flows)."
290 foreach my $flow (@flows) {
291 if ($flow->{Suppress}) {
297 foreach my $od (qw(org dst)) {
298 my $cstname= join '_', (
303 $flow->{"${od}_price"},
304 $flow->{"${od}_stallid"},
307 push @{ $avail_csts{$cstname}{Flows} }, $flow->{Var};
308 $avail_csts{$cstname}{Qty}= $flow->{"${od}_qty"};
311 foreach my $cstname (sort keys %avail_csts) {
312 my $c= $avail_csts{$cstname};
314 ". sprintf("%-30s","$cstname:")." ".
315 join("+", @{ $c->{Flows} }).
316 " <= ".$c->{Qty}."\n";
322 ", map { "$_->{Var} >= 0" } @flows)."
327 if ($qa->{'debug'}) {
336 my $input= pipethrough_prep();
337 print $input $cplex or die $!;
338 my $output= pipethrough_run_along($input, undef, 'glpsol',
339 qw(glpsol --cpxlp /dev/stdin -o /dev/stdout));
340 print "<pre>\n" if $qa->{'debug'};
341 my $found_section= 0;
343 print encode_entities($_) if $qa->{'debug'};
344 if (m/^\s*No\.\s+Column name\s+St\s+Activity\s/) {
345 die if $found_section>0;
349 next unless $found_section==1;
356 m/^\s*\d+\s+f(\d+)\s+\S+\s+(\d+)\s/ or die "$_ ?";
357 my $flow= $flows[$ix] or die;
358 $flow->{OptQty}= $qty;
359 $flow->{OptProfit}= $flow->{'unitprofit'} * $qty;
360 $flow->{OptCapital}= $flow->{OptQty} * $flow->{'org_price'};
362 print "</pre>\n" if $qa->{'debug'};
363 pipethrough_run_finish($output, 'glpsol');
364 die unless $found_section;
367 push @columns, qw(OptQty OptCapital OptProfit);
371 % } # ========== OPTIMISATION ==========
374 % my $cdspan= $qa->{ShowStalls} ? ' colspan=2' : '';
375 % my $cdstall= $qa->{ShowStalls} ? '<th>Stall</th>' : '';
379 <th<% $cdspan %>>Collect
380 <th<% $cdspan %>>Deliver
382 <th colspan=2>Collect
383 <th colspan=2>Deliver
387 <th colspan=3>Suggested
392 <th>Island <% $cdstall %>
393 <th>Island <% $cdstall %>
411 % foreach my $flow (@flows) {
413 <td><input type=hidden name=R<% $flow->{UidShort} %> value="">
414 <input type=checkbox name=T<% $flow->{UidShort} %> value=""
415 <% $flow->{Suppress} ? '' : 'checked' %> >
416 % foreach my $col (@columns) {
417 <td><% $flow->{$col} |h %>
422 <input type=submit name=update value="Update">