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)) {
190 $f->{"${od}_stallid"};
192 $f->{Uid}= join '_', @uid;
194 if ($qa->{"rtsela_$f->{Uid}"} &&
195 !$qa->{"rtselg_$f->{Uid}"}) {
202 <& dumptable:row, qa => $qa, sth => $sth, row => $f &>
204 <& dumptable:end, qa => $qa &>
207 % my $optimise= $specific && !$confusing && @islandids>1;
211 % if (@islandids<=1) {
215 Route contains archipelago(es), not just specific islands.
218 Route is complex - it visits the same island several times
219 and isn't a simple loop.
221 Therefore, optimal trade pattern not calculated.
223 % } else { # ========== OPTMISATION ==========
231 ", map { "$_->{unit_profit} $_->{Var}" } @flows)."
237 foreach my $flow (@flows) {
238 if ($flow->{Suppress}) {
244 foreach my $od (qw(org dst)) {
245 my $cstname= join '_', (
250 $flow->{"${od}_price"},
251 $flow->{"${od}_stallid"},
254 push @{ $avail_csts{$cstname}{Flows} }, $flow->{Var};
255 $avail_csts{$cstname}{Qty}= $flow->{"${od}_qty"};
258 foreach my $cstname (sort keys %avail_csts) {
259 my $c= $avail_csts{$cstname};
261 ". sprintf("%-30s","$cstname:")." ".
262 join("+", @{ $c->{Flows} }).
263 " <= ".$c->{Qty}."\n";
269 ", map { "$_->{Var} >= 0" } @flows)."
274 if ($qa->{'debug'}) {
283 my $input= pipethrough_prep();
284 print $input $cplex or die $!;
285 my $output= pipethrough_run_along($input, undef, 'glpsol',
286 qw(glpsol --cpxlp /dev/stdin -o /dev/stdout));
287 print "<pre>\n" if $qa->{'debug'};
288 my $found_section= 0;
290 print encode_entities($_) if $qa->{'debug'};
291 if (m/^\s*No\.\s+Column name\s+St\s+Activity\s/) {
292 die if $found_section>0;
296 next unless $found_section==1;
303 m/^\s*\d+\s+f(\d+)\s+\S+\s+(\d+)\s/ or die "$_ ?";
304 my $flow= $flows[$ix] or die;
305 $flow->{OptQty}= $qty;
306 $flow->{OptProfit}= $flow->{'unitprofit'} * $qty;
307 $flow->{OptCapital}= $flow->{OptQty} * $flow->{'org_price'};
309 print "</pre>\n" if $qa->{'debug'};
310 pipethrough_run_finish($output, 'glpsol');
311 die unless $found_section;
314 print join ' ', map { $_->{Optimal} } @flows;
316 push @columns, qw(OptQty OptCapital OptProfit);
320 % } # ========== OPTIMISATION ==========
323 % my $cdspan= $qa->{ShowStalls} ? ' colspan=2' : '';
324 % my $cdstall= $qa->{ShowStalls} ? '<th>Stall</th>' : '';
328 <th<% $cdspan %>>Collect
329 <th<% $cdspan %>>Deliver
331 <th colspan=2>Collect
332 <th colspan=2>Deliver
336 <th colspan=3>Suggested
341 <th>Island <% $cdstall %>
342 <th>Island <% $cdstall %>
360 % foreach my $flow (@flows) {
362 <td><input type=hidden name=rtsela_<% $flow->{Uid} %> value=1>
363 <input type=checkbox name=rtselg_<% $flow->{Uid} %> value=1
364 <% $flow->{Suppress} ? '' : 'checked' %> >
365 % foreach my $col (@columns) {
366 <td><% $flow->{$col} |h %>
371 <input type=submit name=update value="Update">