void
GoUctDefaultPriorKnowledge::InitializeForNonRandomPolicyMove(
const GoPointList& empty,
const SgPointSet& pattern,
const SgPointSet& atari,
int nuSimulations)
{
const GoBoard& bd = Board();
for (GoPointList::Iterator it(empty); it; ++it)
{
const SgPoint p = *it;
SG_ASSERT (bd.IsEmpty(p));
if (BadSelfAtari(bd, p))
Initialize(p, 0.1f, nuSimulations);
else if (atari[p])
Initialize(p, 0.8f, nuSimulations);
else if (pattern[p])
Initialize(*it,
0.5 + (m_patternGammas[*it] / m_maxPatternGamma) * 0.3,
nuSimulations);
else
Initialize(p, 0.4f, nuSimulations);
}
const GoPointList moves = m_policy.GetEquivalentBestMoves();
for (GoPointList::Iterator it(moves); it; ++it)
Initialize(*it, 1.0, nuSimulations);
}
void
GoUctDefaultPriorKnowledge::InitializeForGlobalHeuristic(
const GoPointList& empty,
const SgPointSet& pattern,
const SgPointSet& atari,
SgUctValue nuSimulations)
{
const GoBoard& bd = Board();
const SgUctValue smallWeight = m_defaultPriorWeight * 3;
for (GoPointList::Iterator it(empty); it; ++it)
{
const SgPoint p = *it;
SG_ASSERT (bd.IsEmpty(p));
if (BadSelfAtari(bd, p))
Initialize(p, 0.1f, nuSimulations);
else if (atari[p])
Initialize(p, 1.0f, smallWeight);
else if (pattern[p])
Initialize(*it,
0.6 + (m_patternGammas[*it] / m_maxPatternGamma) * 0.4,
smallWeight);
else
Initialize(p, 0.5f, smallWeight);
}
}
void
GoUctDefaultPriorKnowledge::InitializeForRandomPolicyMove(
const GoPointList& empty,
int nuSimulations)
{
const GoBoard& bd = Board();
for (GoPointList::Iterator it(empty); it; ++it)
{
const SgPoint p = *it;
SG_ASSERT (bd.IsEmpty(p));
if (BadSelfAtari(bd, p))
Initialize(p, 0.1f, nuSimulations);
else
Clear(p); // Don't initialize
}
}
