void GoRegionBoard::OnExecutedUncodedMove(int move, SgBlackWhite moveColor)
{
if (DEBUG_REGION_BOARD)
SgDebug() << "OnExecutedUncodedMove " << SgWritePoint(move) << '\n';
{
m_stack.StartMoveInfo();
if (move != SG_PASS)
{
SG_ASSERT(! Board().LastMoveInfo(GO_MOVEFLAG_SUICIDE));
// can't handle yet,
// should be forbidden anyway. @todo allowed in Chinese rules.
bool fWasCapture = Board().LastMoveInfo(GO_MOVEFLAG_CAPTURING);
UpdateBlock(move, moveColor);
{
GoRegion* r = PreviousRegionAt(move, moveColor);
bool split = GoEyeUtil::IsSplitPt(move, r->Points());
r->OnAddStone(move);
PushStone(r, move);
SgPointSet points = r->Points();
// needed even after RemoveRegion(r).
if (split || points.IsEmpty())
// must remove old region before generating new ones,
// because removing clears m_anchor[]
RemoveRegion(r);
if (split) // find new regions
{
for (SgConnCompIterator it(points, Board().Size());
it; ++it)
GenRegion(*it, moveColor);
}
}
if (fWasCapture)
{
// FindNewNeighborRegions(move, moveColor);
MergeAdjacentAndAddBlock(move, SgOppBW(moveColor));
}
m_code = Board().GetHashCode();
if (HEAVYCHECK)
CheckConsistency();
}
}
{
for (SgBWIterator it; it; ++it)
{
SgBlackWhite color(*it);
for (SgVectorIteratorOf<GoRegion> it(AllRegions(color)); it; ++it)
{ GoRegion* r1 = *it;
if (! r1->IsValid())
r1->ComputeBasicFlags();
}
}
}
}
// improved by using recursive extension to find 2-conn paths.
bool GoRegion::Find2ConnForAllInterior(SgMiaiStrategy* miaiStrategy,
SgVector<SgPoint>& usedLibs) const
{
SgVector<SgMiaiPair> myStrategy;
const int size = m_bd.Size();
SgPointSet interior = AllInsideLibs();
if (interior.IsEmpty())
{
return true;
}
//if (GetFlag(GO_REGION_SINGLE_BLOCK_BOUNDARY))
{
SgPointSet testSet = interior;
SgPointSet originalLibs = testSet.Border(size) & Dep().Border(size)
& m_bd.AllEmpty() & Points();
SgPointSet updateLibs = originalLibs;
// now try to find miai-paths to remaining interior points recursively
bool changed = true;
while (changed)
{
changed = false;
if (testSet.IsEmpty())
{
SgVector<SgPoint> jlibs;
JointLibs(&jlibs);
SgVector<SgPoint> ips;
GetIPs(&ips);
SgVector<SgMiaiPair> updateStrg;
for (SgSetIterator it(interior); it; ++it)
{
SgPoint p = *it;
SgPointSet s1;
s1.Include(p);
SgPointSet rest = s1.Border(size) & updateLibs;
if (! rest.IsEmpty())
{
for (SgVectorIterator<SgMiaiPair> it2(myStrategy);
it2; ++it2)
{
SgMiaiPair x = *it2;
if ( SgPointUtil::AreAdjacent(p, x.first)
&& SgPointUtil::AreAdjacent(p, x.second)
)
{
if (ips.Contains(x.first))
{
updateLibs.Include(x.first);
usedLibs.Exclude(x.first);
SgPoint t = rest.PointOf();
x.first = t;
updateLibs.Exclude(t);
rest.Exclude(t);
usedLibs.Include(t);
}
if ( ips.Contains(x.second)
&& ! rest.IsEmpty()
)
{
updateLibs.Include(x.second);
usedLibs.Exclude(x.second);
SgPoint t = rest.PointOf();
x.second = t;
updateLibs.Exclude(t);
rest.Exclude(t);
usedLibs.Include(t);
}
updateStrg.Include(x);
}
}
}
}
miaiStrategy->SetStrategy(updateStrg);
/* */ return true; /* */
}
for (SgSetIterator it(interior); it; ++it)
{
SgMiaiPair miaiPair;
if (Find2BestLibs(*it, updateLibs, testSet, &miaiPair))
{
if (miaiPair.first == miaiPair.second)
{
SgDebug() <<"\nmiaipair are same: "
<< SgWritePoint(miaiPair.first)
<< SgWritePoint(miaiPair.second);
SgDebug() <<"\ncurrent region is:\n";
Points().Write(SgDebug(), size);
SG_ASSERT(false);
}
myStrategy.PushBack(miaiPair);
usedLibs.PushBack(miaiPair.first);
usedLibs.PushBack(miaiPair.second);
updateLibs.Exclude(miaiPair.first);
updateLibs.Exclude(miaiPair.second);
updateLibs.Include(*it);
testSet.Exclude(*it);
changed = true;
}
}
} // while loop for recursive finding
}
miaiStrategy->Clear();
return false;
}
