use warnings;
use Graph::Undirected;
-
+use Commods;
use CommodsDatabase;
+my $ocean= 'Midnight';
+
+
my $widists= Graph::Undirected->new();
my $wiarchs= Graph::Undirected->new();
my @wiarchlabels;
my %wiisland2node;
my %winode2island;
-my %wiisland2arch;
my %winode2lines;
my %wiccix2arch;
sub error ($) { perr("error", $_[0]); }
sub change ($) { perr("change", $_[0]); }
-if ($ARGV[0] eq '--debug') {
+if (@ARGV && $ARGV[0] eq '--debug') {
shift @ARGV;
open DEBUG, ">&STDOUT" or die $!;
select(DEBUG); $|=1;
}
sub process_yppedia_graphs () {
+
# Prune the LP database by eliminating boring intermediate vertices
+ #
foreach my $delete ($widists->vertices()) {
next if exists $winode2island{$delete};
my @neigh= $widists->neighbours($delete);
}
# Check that it's connected.
+ #
foreach my $cc ($widists->connected_components()) {
next if 2*@$cc > $widists->vertices();
my $m= "disconnected league point(s):";
warning($m);
}
+ # Assign archipelagoes according to the source-info file
+ #
+ foreach my $arch (sort keys %{ $oceans{$ocean} }) {
+ foreach my $islename (sort keys %{ $oceans{$ocean}{$arch} }) {
+ my $islenode= $wiisland2node{$islename};
+ defined $islenode or
+ error("island $islename in source-info but not in WP map");
+ my $ccix= $wiarchs->connected_component_by_vertex($islenode);
+ my $oldarch= $wiccix2arch{$ccix};
+ error("island $islename in $arch in source-info".
+ " connected to $oldarch as well")
+ if defined $oldarch && $oldarch ne $arch;
+ printf DEBUG "%-5s force-island-arch cc%-2d %-10s %s\n",
+ $islenode, $ccix, $arch, $islename;
+ $wiccix2arch{$ccix}= $arch;
+ }
+ }
+
# Compute all-pairs-shortest-paths on dist, which is the
# actual distances between all LPs.
+ #
my $wialldists= $widists->APSP_Floyd_Warshall();
- # Compute arch's
+ # Assign archipelago labels to groups of islands
+ #
foreach my $label (@wiarchlabels) {
my ($ax,$ay,$arch) = @$label;
- my $d2best= 9999999;
- my $best;
+ my $best_ccmulti= -1;
+ my $best_d2= 0;
+ my $best_n;
# print DEBUG "$ax,$ay arch-island-search $arch\n";
$ay += 1; $ax += 2; # coords are rather to the top left of label
foreach my $vertex ($wiarchs->vertices()) {
next unless exists $winode2island{$vertex};
my $ccix= $wiarchs->connected_component_by_vertex($vertex);
my @cc= $wiarchs->connected_component_by_index($ccix);
+ my $ccmulti= @cc > 1;
my ($vx,$vy) = split /,/, $vertex;
my $d2= ($vx-$ax)*($vx-$ax) + ($vy-$ay)*($vy-$ay);
-# printf DEBUG
-# "%2d,%-2d arch-island-search %s d2=%d ccix=%d cc=%d %s\n",
-# $ax,$ay, $vertex, $d2, $ccix, scalar(@cc),
-# $winode2island{$vertex};
- next unless @cc > 1;
- next unless $d2 < $d2best;
- $best= $vertex;
- $d2best= $d2;
+ my $cmp= $ccmulti <=> $best_ccmulti
+ || $best_d2 <=> $d2;
+ printf DEBUG "%2d,%-2d arch-island-search %5s d2=%4d cc%-2d".
+ " #cc=%2d ccmulti=%d cmp=%2d %s\n",
+ $ax,$ay, $vertex, $d2, $ccix, scalar(@cc), $ccmulti, $cmp,
+ $winode2island{$vertex};
+ next unless $cmp > 0;
+ $best_n= $vertex;
+ $best_d2= $d2;
+ $best_ccmulti= $ccmulti;
}
- die 'no island vertices?!' unless defined $best;
- printf DEBUG "%2d,%-2d arch-island-select %-5s d2=%-2d %-10s %s\n",
- $ax,$ay, $best, $d2best, $arch, $winode2island{$best};
- my $ccix= $wiarchs->connected_component_by_vertex($best);
+ die 'no island vertices?!' unless defined $best_n;
+ my $ccix= $wiarchs->connected_component_by_vertex($best_n);
+ printf DEBUG
+ "%2d,%-2d arch-island-select %-5s d2=%4d cc%-2d %-10s %s\n",
+ $ax,$ay, $best_n, $ccix, $best_d2, $arch, $winode2island{$best_n};
my $desc= join "\n", map {
my $in= $winode2island{$_};
" LP $_". (defined $in ? ", $in" : "");
} sort $wiarchs->connected_component_by_index($ccix);
- if (exists $wiccix2arch{$ccix}) {
+ if (exists $wiccix2arch{$ccix} and $wiccix2arch{$ccix} ne $arch) {
error("archipelago determination failed, wrongly merged:\n".
" archipelago $arch\n".
" archipelago $wiccix2arch{$ccix}\n".
$wiccix2arch{$ccix}= $arch;
# print "$ccix $arch ::\n$desc\n";
}
+
+ # Assign islands not labelled above to archipelagoes.
+ #
+ # We do this by, for each connected component (set of islands
+ # linked by purchaseable charts), searching for the nearest other
+ # connected component which has already been assigned an arch.
+ # `Nearest' means shortest distance of unpurchaseable charts, in
+ # leagues.
+ #
+ # we need only consider vertices which weren't `boring intermediate
+ # vertices' (removed during optimisation as being of order 2)
+ my @ccs_useful= map {
+ [ grep { $widists->has_vertex($_) } @$_ ]
+ } $wiarchs->connected_components();
+
+ my @assignments;
+
+ foreach my $sourceccix (0..$#ccs_useful) {
+ next if defined $wiccix2arch{$sourceccix};
+ next unless $ccs_useful[$sourceccix];
+
+ my @sourcecc= $wiarchs->connected_component_by_index($sourceccix);
+ my @islandnodes= grep { $winode2island{$_} } @sourcecc;
+ next unless @islandnodes; # don't care, then
+
+ foreach my $islandnode (@islandnodes) {
+ printf DEBUG "%-5s arch-join-need cc%-2d %s\n",
+ $islandnode, $sourceccix, $winode2island{$islandnode};
+ }
+ my $best_dist= 9999999;
+ my ($best_target, $best_targetccix, $best_source);
+ foreach my $targetccix (0..$#ccs_useful) {
+ next unless defined $wiccix2arch{$targetccix}; # not helpful
+ next unless $ccs_useful[$targetccix];
+ foreach my $target ($wiarchs->
+ connected_component_by_index($targetccix)) {
+ foreach my $source (@sourcecc) {
+ my $target_dist= $wialldists->path_length($target,$source);
+ next unless defined $target_dist;
+ next if $target_dist >= $best_dist;
+ $best_dist= $target_dist;
+ $best_source= $source;
+ $best_target= $target;
+ $best_targetccix= $targetccix;
+ }
+ }
+ }
+ die "no possible target ?!" unless defined $best_target;
+
+ my $arch= $wiccix2arch{$best_targetccix};
+ my $best_island= $winode2island{$best_target};
+ printf DEBUG "%-5s arch-join-to %-5s dist=%2d cc%-2d %-10s %s\n",
+ $best_source, $best_target, $best_dist,
+ $best_targetccix, $arch,
+ defined($best_island) ? $best_island : "-";
+
+ push @assignments, [ $sourceccix, $arch ];
+ }
+ foreach my $assign (@assignments) {
+ $wiccix2arch{$assign->[0]}= $assign->[1];
+ }
}
sub winode2arch ($) {
}
}
-db_setocean('Midnight');
+parse_info_serverside();
+db_setocean($ocean);
db_connect();
parse_yppedia_map();
parse_database_map();