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#include "osl/hash/hashKey.h"
#include <iomanip>
#include <cstdlib>
#include <iostream>
#include <sstream>
namespace osl
{
#ifdef OSL_LONG_HASH_KEY
BOOST_STATIC_ASSERT(sizeof(HashKey) >= sizeof(int)*5);
#else
BOOST_STATIC_ASSERT(sizeof(HashKey) == sizeof(int)*4);
#endif
} // namespace osl
#ifndef MINIMAL
std::ostream& osl::hash::operator<<(std::ostream& os,const osl::hash::HashKey& h)
{
os << h.pieceStand();
const BoardKey& board_key = h.boardKey();
for (size_t i=0; i<board_key.size(); ++i)
{
os << ':'
<< std::setfill('0') << std::setbase(16) << std::setw(8)
<< board_key[i];
}
return os << ':' << std::setbase(10);
}
void osl::hash::HashKey::dumpContents(std::ostream& os) const
{
os << pieceStand().getFlags();
for (size_t i=0; i<size(); ++i) {
os << ' ' << operator[](i);
}
}
void osl::hash::HashKey::dumpContentsCerr() const
{
dumpContents(std::cerr);
}
# ifdef OSL_LONG_HASH_KEY
const osl::hash::HashKey osl::hash::HashKey::readFromDump(const std::string& str)
{
std::istringstream is(str);
return readFromDump(is);
}
const osl::hash::HashKey osl::hash::HashKey::readFromDump(std::istream& is)
{
HashKey key;
int stand;
is >> stand;
key.piece_stand = PieceStand(stand);
for (size_t i=0; i<key.size(); ++i) {
is >> key[i];
}
return key;
}
# endif
#endif
osl::hash::HashKey::HashKey(const SimpleState& state)
{
for(int num=0;num<40;num++){
Piece p=state.pieceOf(num);
if(state.usedMask().test(num))
Hash_Gen_Table.addHashKey(*this, p.square(),p.ptypeO());
}
setPlayer(state.turn());
}
const osl::hash::HashKey osl::hash::HashKey::
newHashWithMove(Move move) const
{
return newMakeMove(move);
}
const osl::hash::HashKey osl::hash::HashKey::
newMakeMove(Move move) const
{
HashKey ret(*this);
if (! move.isPass())
{
assert(move.isValid());
Square from=move.from();
Square to=move.to();
Ptype capturePtype=move.capturePtype();
PtypeO ptypeO=move.ptypeO();
PtypeO oldPtypeO=move.oldPtypeO();
if (capturePtype!=PTYPE_EMPTY)
{
PtypeO capturePtypeO=newPtypeO(alt(move.player()),capturePtype);
PtypeO capturedPtypeO=captured(capturePtypeO);
Hash_Gen_Table.subHashKey(ret,to,capturePtypeO);
Hash_Gen_Table.addHashKey(ret,Square::STAND(),capturedPtypeO);
}
Hash_Gen_Table.subHashKey(ret,from,oldPtypeO);
Hash_Gen_Table.addHashKey(ret,to,ptypeO);
}
ret.changeTurn();
return ret;
}
const osl::hash::HashKey osl::hash::HashKey::
newUnmakeMove(Move move) const
{
HashKey ret(*this);
if (! move.isPass())
{
assert(move.isValid());
Square from=move.from();
Square to=move.to();
Ptype capturePtype=move.capturePtype();
PtypeO ptypeO=move.ptypeO();
PtypeO oldPtypeO=move.oldPtypeO();
if (capturePtype!=PTYPE_EMPTY)
{
PtypeO capturePtypeO=newPtypeO(alt(move.player()),capturePtype);
PtypeO capturedPtypeO=captured(capturePtypeO);
Hash_Gen_Table.addHashKey(ret,to,capturePtypeO);
Hash_Gen_Table.subHashKey(ret,Square::STAND(),capturedPtypeO);
}
Hash_Gen_Table.addHashKey(ret,from,oldPtypeO);
Hash_Gen_Table.subHashKey(ret,to,ptypeO);
}
ret.changeTurn();
return ret;
}
#ifndef OSL_LONG_HASH_KEY
namespace osl
{
const CArray2d<hash::HashKey128Layout,Square::SIZE,PTYPEO_SIZE>
hash::HashGenTable::key = {{
#include "hash.txt"
}};
}
#endif
osl::hash::HashGenTable::HashGenTable()
{
#ifdef OSL_LONG_HASH_KEY
for(int j=0;j<PTYPEO_SIZE;j++)
{
const PtypeO pjo = (PtypeO)(j+PTYPEO_MIN);
for(int i=0;i<Square::SIZE;i++)
{
if (Square::nth(i) == Square::STAND())
{
const Ptype pj = getPtype(pjo);
if (isBasic(pj) && (getOwner(pjo) == BLACK))
{
PieceStand stand;
stand.add(pj);
key[i][j].setPieceStand(stand);
}
}
else
{
key[i][j].setRandom();
}
}
}
# ifdef OSL_DUMP_HASH_KEY
std::ofstream os("hash.txt");
for(int i=0;i<Square::SIZE;i++) {
os << "// " << i << "\n{\n";
for(int j=0;j<PTYPEO_SIZE;j++) {
os << "HashKey("
<< key[i][j].board64 << "ull, " << key[i][j].board32 << "u, "
<< key[i][j].piece_stand.getFlags() << "u),\n";
}
os << "},\n";
}
# endif
#endif
}
// ;;; Local Variables:
// ;;; mode:c++
// ;;; c-basic-offset:2
// ;;; End:
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