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old_board.cpp
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old_board.cpp
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#include "old_board.h"
const int direction[4]={OB_NORTH,OB_EAST,OB_SOUTH,OB_WEST};
const int rabbitForward[2]={OB_NORTH,OB_SOUTH};
const int rabbitWinRow[2]={8,1};
const int trap[4]={33,36,63,66};
u64 zobrist[2][7][100];
//thirdRepetition class
ThirdRep* OB_Board::thirdRep_;
// switch to know when to init static variables in class Board
bool OB_Board::classInit = false;
//---------------------------------------------------------------------
// section PieceArray
//---------------------------------------------------------------------
PieceArray::PieceArray()
{
len = 0;
}
//---------------------------------------------------------------------
void PieceArray::add(coord_t elem)
{
elems[len++] = elem;
assert(MAX_PIECES >= len);
}
//---------------------------------------------------------------------
void PieceArray::del(coord_t elem)
{
for (uint i = 0; i < len;i++)
if (elems[i] == elem){
elems[i] = elems[--len];
return;
}
assert(false);
}
//---------------------------------------------------------------------
void PieceArray::clear()
{
len = 0;
}
//---------------------------------------------------------------------
string PieceArray::toString() const
{
stringstream ss;
ss.clear();
for (uint i = 0; i < len; i++)
ss << elems[i] << " ";
ss << endl;
return ss.str();
}
//---------------------------------------------------------------------
uint PieceArray::getLen() const
{
return len;
}
//---------------------------------------------------------------------
coord_t PieceArray::operator[](uint index) const
{
assert( index >= 0 && index < len );
return elems[index];
}
//---------------------------------------------------------------------
coord_t PieceArray::getRandom() const
{
assert(len);
return elems[rand() % len];
}
//---------------------------------------------------------------------
// section Board
//---------------------------------------------------------------------
//
OB_Board::OB_Board()
{
}
//---------------------------------------------------------------------
void OB_Board::initNewGame()
{
init(true);
}
//---------------------------------------------------------------------
bool OB_Board::initFromRecord(const char* fn)
{
init();
fstream f;
string line;
stringstream ss;
string token;
uint moveCount;
try {
f.open(fn, fstream::in);
if (! f.good()){
f.close();
return false;
}
while (f.good()){
getline(f, line);
ss.clear();
ss.str(line);
ss >> token;
moveCount = str2int(token.substr(0, token.length() - 1));
assert(moveCount == moveCount_);
makeMove(getStreamRest(ss));
}
}
catch(int e) {
return false; //initialization from file failed
}
return true;
}
//---------------------------------------------------------------------
bool OB_Board::operator== ( const OB_Board& board) const
{
return (signature_ == board.signature_ && moveCount_ == board.moveCount_ ) ;
}
//---------------------------------------------------------------------
bool OB_Board::initFromPosition(const char* fn)
{
fstream f;
f.open(fn,fstream::in);
if (! f.good()){
f.close();
return false;
}
bool result = initFromPositionStream(f);
f.close();
return result;
}
//---------------------------------------------------------------------
bool OB_Board::initFromPositionCompactString(const string& s)
{
stringstream ss;
ss.str(s);
init();
char side;
ss >> side;
toMove_ = sideCharToPlayer(side);
if (! OB_IS_PLAYER(toMove_))
return false;
string boardStr = getStreamRest(ss);
//check format '[' .. 64 characters for position ... ']'
if (boardStr[0] != '[' || boardStr[65] != ']')
return false;
uint k=1;
for (int i = 8; i > 0; i--)
for (int j = 1; j < 9; j++) {
assert(k < boardStr.length());
char c = boardStr[k++];
if (c == ' ' || c=='X' || c=='x')
board_[i*10+j] = (OB_EMPTY_SQUARE);
else {
try{
PiecePair piecePair = parsePieceChar(c);
board_[i*10+j] = (piecePair.first | piecePair.second);
}catch (int e){
logError("Unknown character %c encountered while reading board at [%d, %d]\n", c, i, j);
return false;
}
}
}
afterPositionLoad();
return true;
}
//---------------------------------------------------------------------
Step OB_Board::findMCstep()
{
Step step;
//it's not possible to have 0 rabbits in the beginning of move
assert( rabbitsNum[toMoveIndex_] > 0 || stepCount_ > 0);
//no piece for player to move
if (pieceArray[toMoveIndex_].getLen() == 0) {
//step_pass since the player with no pieces still might win
//if he managed to kill opponent's last rabbit before he lost his last piece
return Step(STEP_PASS, toMove_);
}
if (! cfg.knowledgeInPlayout()){
if (findRandomStep(step))
return step;
}
stepArrayLen =
generateAllStepsNoPass(toMove_, stepArray);
uint len = stepArrayLen;
assert(stepArrayLen < MAX_STEPS);
if (len == 0 ){ //player to move has no step to play - not even pass
winner_ = OB_OPP(toMove_);
return Step(STEP_NULL,toMove_);
}
if (cfg.knowledgeInPlayout()){
return chooseStepWithKnowledge(stepArray, stepArrayLen);
}
assert(len > 0);
uint index = rand() % len;
assert( index >= 0 && index < len );
return( stepArray[index]);
}
//---------------------------------------------------------------------
void OB_Board::findMCmoveAndMake()
{
//TODO area selection
if (pieceArray[toMoveIndex_].getLen() == 0){
makeStepTryCommitMove(Step(STEP_PASS, toMove_));
return;
}
Step step;
PieceArray p;
for (int i = 0; i < 2; i++){
p.add(pieceArray[toMoveIndex_].getRandom());
}
do {
/*if (options.localMode()){
cerr << toString();
cerr << lastStep().toString();
}
*/
stepArrayLen = 1;
stepArray[0] = Step(STEP_PASS, toMove_);
for (uint i = 0; i < p.getLen(); i++) {
if (OB_OWNER(board_[p[i]]) == toMove_){
generateStepsForPiece(p[i], stepArray, stepArrayLen);
}
}
if (cfg.knowledgeInPlayout()){
step = chooseStepWithKnowledge(stepArray, stepArrayLen);
}
else{
step = stepArray[rand() % stepArrayLen];
}
if (! step.isPass()){
p.del(step.from_);
p.add(step.to_);
}
} while ( ! makeStepTryCommitMove(step));
/*
do {
step = findMCstep();
} while (! makeStepTryCommitMove(step));
*/
}
//---------------------------------------------------------------------
void OB_Board::getHeuristics(const StepArray& steps, uint stepsNum, HeurArray& heurs) const
{
for (uint i = 0; i < stepsNum; i++){
heurs[i] = evaluateStep(steps[i]);
//assert(int(heurs[i]) == heurs[i]);
}
}
//---------------------------------------------------------------------
void OB_Board::init(bool newGame)
{
stepArrayLen = 0;
assert(OB_OPP(OB_GOLD) == OB_SILVER);
assert(OB_OPP(OB_SILVER) == OB_GOLD);
//game initialization - done in the first run or when newgame is specified
if (! classInit || newGame) {
classInit = true;
initZobrist();
thirdRep.clear();
thirdRep_ = &thirdRep;
}
for (int i = 0; i < 100; i++)
board_[i] = OB_OFF_BOARD_SQUARE;
for (int i = 1; i < 9; i++)
for (int j = 1; j < 9; j++){
board_[10*i+j] = OB_EMPTY_SQUARE;
//frozenBoard is not in use now
//frozenBoard_[10*i+j] = false; //implicitly we consider everything not frozen
}
toMove_ = OB_GOLD;
toMoveIndex_ = PLAYER_TO_INDEX(toMove_);
stepCount_ = 0;
moveCount_ = 1;
lastStep_ = Step();
winner_ = OB_EMPTY;
//init pieceArray and rabbitsNum
pieceArray[0].clear();
pieceArray[1].clear();
rabbitsNum[0] = 0;
rabbitsNum[1] = 0;
assert(PLAYER_TO_INDEX(OB_GOLD) == 0 && PLAYER_TO_INDEX(OB_SILVER) == 1);
signature_ = 0;
preMoveSignature_ = 0;
//signature is generated after the position is loaded
}
//---------------------------------------------------------------------
bool OB_Board::initFromPositionStream(istream& is)
{
init();
char side;
char c;
PiecePair piecePair;
try {
is >> moveCount_;
is >> side;
is.ignore(1024,'\n'); //ignores the rest of initial line
toMove_ = sideCharToPlayer(side);
if (! OB_IS_PLAYER(toMove_))
return false;
toMoveIndex_ = PLAYER_TO_INDEX(toMove_);
is.ignore(1024,'\n'); //ignores the top of the border till EOF
for (int i = 8; i > 0; i--) { // do this for each of the 8 lines of the board
is.ignore(2); //ignore trailing characters
for (int j = 1; j < 9; j++) {
is.ignore(1); //ignore a white space
c=is.get();
if (c == ' ' || c=='X' || c=='x' || c == '.')
board_[i*10+j] = (OB_EMPTY_SQUARE);
else {
try{
piecePair = parsePieceChar(c);
board_[i*10+j] = (piecePair.first | piecePair.second);
}catch (int e){
logError("Unknown character %c encountered while reading board at [%d, %d]\n", c, i, j);
return false;
}
}
}
is.ignore(1024,'\n'); //finish the line
}
}
catch(int e) {
return false; //initialization from file failed
}
afterPositionLoad();
return true;
}
//---------------------------------------------------------------------
ob_player_t OB_Board::sideCharToPlayer(char side) const
{
ob_player_t player;
if (! (side == 'w' || side == 'b' || side == 'g' || side =='s'))
return OB_EMPTY;
if (side == 'w' || side == 'g')
player = OB_GOLD;
else {
player = OB_SILVER;
}
return player;
}
//---------------------------------------------------------------------
void OB_Board::afterPositionLoad()
{
makeSignature(); //(unique) position identification
preMoveSignature_ = signature_;
for (int square = 11; square < 89; square++){
if (OB_IS_PLAYER(board_[square]))
pieceArray[PLAYER_TO_INDEX(OB_OWNER(board_[square]))].add(square);
if (OB_PIECE(board_[square]) == OB_PIECE_RABBIT)
rabbitsNum[PLAYER_TO_INDEX(OB_OWNER(board_[square]))]++;
}
}
//---------------------------------------------------------------------
recordAction_e OB_Board::parseRecordActionToken(const string& token, ob_player_t& player,
ob_piece_t& piece, ob_square_t& from, ob_square_t& to)
{
assert(token.length() == 3 || token.length() == 4);
recordAction_e recordAction = ACTION_STEP;
if (token.length() == 3)
recordAction = ACTION_PLACEMENT;
else if (token[3] == 'x') //kill in trap
recordAction = ACTION_TRAP_FALL;
//parse player/piece
PiecePair piecePair = parsePieceChar(token[0]);
player = piecePair.first;
piece = piecePair.second;
//parse from
string columnRefStr("abcdefgh");
string::size_type col = columnRefStr.find(token[1], 0);
assert(col != string::npos);
uint row = token[2] - '0';
assert(row > 0 && row < 9);
from = (row) * 10 + (col + 1);
if (recordAction == ACTION_STEP){
ob_square_t direction = 0;
switch (token[3]){
case 'n': direction = OB_NORTH;
break;
case 's': direction = OB_SOUTH;
break;
case 'e': direction = OB_EAST;
break;
case 'w': direction = OB_WEST;
break;
default:
assert(false);
break;
}
to = from + direction;
}
return recordAction;
}
//---------------------------------------------------------------------
PiecePair OB_Board::parsePieceChar(char pieceChar)
{
ob_player_t player;
ob_piece_t piece;
player = OB_GOLD;
if (islower(pieceChar))
player = OB_SILVER;
pieceChar = tolower(pieceChar);
switch(pieceChar) {
case 'e' : piece = OB_PIECE_ELEPHANT; break;
case 'm' : piece = OB_PIECE_CAMEL; break;
case 'h' : piece = OB_PIECE_HORSE; break;
case 'd' : piece = OB_PIECE_DOG; break;
case 'c' : piece = OB_PIECE_CAT; break;
case 'r' : piece = OB_PIECE_RABBIT; break;
default:
throw "Incorrect piece Character encountered.";
break;
}
return PiecePair(player, piece);
}
//---------------------------------------------------------------------
void OB_Board::initZobrist() const
{
for (int i = 0; i < PLAYER_NUM; i++)
for (int j = 0; j < OB_PIECE_NUM; j++)
for (int k = 0; k < OB_SQUARE_NUM; k++){
//cerr << k << " ~ " << SQUARE_TO_INDEX_64(k) << endl;
zobrist[i][j][k] = bits::zobrist[i][j][SQUARE_TO_INDEX_64(k)];
}
//exit(1);
}
//---------------------------------------------------------------------
void OB_Board::makeSignature()
{
signature_ = 0;
for (int i = 0; i < 100; i++)
if OB_IS_PLAYER(board_[i])
signature_ ^= zobrist[PLAYER_TO_INDEX(OB_OWNER(board_[i]))][OB_PIECE(board_[i])][i] ;
}
//---------------------------------------------------------------------
void OB_Board::makeStep(const Step& step)
{
lastStep_ = step;
int playerIndex = PLAYER_TO_INDEX(step.player_);
if (step.stepType_ == STEP_NULL)
return;
if (step.stepType_ == STEP_PASS ){
stepCount_++;
return;
}
assert(step.stepType_ == STEP_PUSH || step.stepType_ == STEP_PULL || step.stepType_ == STEP_SINGLE );
//in STEP_PUSH victim's move must be made first !
if (step.stepType_ == STEP_PUSH ){
assert( stepCount_ < 3 );
setSquare( step.oppTo_, OB_OPP(step.player_), step.oppPiece_);
clearSquare(step.oppFrom_);
stepCount_++;
pieceArray[1 - playerIndex].del(step.oppFrom_);
pieceArray[1 - playerIndex].add(step.oppTo_);
checkKill(step.oppFrom_);
}
//single step
setSquare( step.to_, step.player_, step.piece_);
clearSquare(step.from_);
stepCount_++;
pieceArray[playerIndex].del(step.from_);
pieceArray[playerIndex].add(step.to_);
checkKill(step.from_);
//pull steps
if (step.stepType_ == STEP_PULL) {
assert( stepCount_ < 4 );
setSquare( step.oppTo_, OB_OPP(step.player_), step.oppPiece_);
clearSquare(step.oppFrom_);
stepCount_++;
pieceArray[1 - playerIndex].del(step.oppFrom_);
pieceArray[1 - playerIndex].add(step.oppTo_);
checkKill(step.oppFrom_);
}
}
//---------------------------------------------------------------------
bool OB_Board::findRandomStep(Step& step) const
{
bool found = false; //once set to true, move is generated and returned
bool tryLocal = false;
if (cfg.localPlayout() &&
lastStep_.player_ == int(toMove_) &&
lastStep_.stepType_ != STEP_NULL &&
OB_IS_PLAYER(board_[lastStep_.to_])){
tryLocal = true;
}
for ( int i = 0; i < 5; i++){
assert(pieceArray[toMoveIndex_].getLen() != 0);
if (tryLocal and rand01() > 0.2){
tryLocal = false;
step.from_ = lastStep_.to_;
}
else{
step.from_ = pieceArray[toMoveIndex_][rand() % pieceArray[toMoveIndex_].getLen()];
}
assert(OB_IS_PLAYER(board_[step.from_]));
assert(OB_OWNER(board_[step.from_]) == toMove_);
if (isFrozen(step.from_))
continue;
step.to_ = step.from_ + direction[rand() % 4];
if ( board_[step.to_] == OB_EMPTY_SQUARE ){ //single/pull
if (OB_PIECE(board_[step.from_]) == OB_PIECE_RABBIT && //rabbits cannot backwards
(step.to_ - step.from_ == (toMove_ == OB_GOLD ? OB_SOUTH : OB_NORTH ))) {
continue;
}
for (int j = 0; j < 4; j++){
step.oppFrom_ = step.from_ + direction[j]; //todo - exclude "to" direction
if ( OB_OWNER(board_[step.oppFrom_]) == OB_OPP(OB_OWNER(board_[step.from_])) &&
OB_PIECE(board_[step.oppFrom_]) < OB_PIECE(board_[step.from_])){
found = true; //generate the step
step.stepType_ = STEP_PULL;
assert(OB_OWNER(board_[step.oppFrom_]) == OB_OPP(toMove_));
step.oppTo_ = step.from_;
break;
}
}
if (! found){
step.stepType_ = STEP_SINGLE;
found = true;
}
}else{ //push
if ( OB_OWNER(board_[step.to_]) == OB_OPP(OB_OWNER(board_[step.from_])) &&
OB_PIECE(board_[step.to_]) < OB_PIECE(board_[step.from_])){
assert(OB_IS_PLAYER(board_[step.to_]));
for (int j = 0; j < 4; j++){
if (board_[step.to_ + direction[j]] == OB_EMPTY_SQUARE){ //generate the step
step.oppTo_ = step.to_ + direction[j];
step.stepType_ = STEP_PUSH;
step.oppFrom_ = step.to_;
assert(OB_OWNER(board_[step.oppFrom_]) == OB_OPP(toMove_));
found = true;
break;
}
}
}
}
if (found){
step.player_ = toMove_;
step.piece_ = OB_PIECE(board_[step.from_]);
assert(OB_OWNER(board_[step.from_]) == toMove_);
assert(step.stepType_ == STEP_SINGLE || step.stepType_ == STEP_PUSH || step.stepType_ == STEP_PULL);
if (step.stepType_ != STEP_SINGLE) {
//push/pull not allowed
if (stepCount_ > 2){
found = false;
continue;
}
assert(OB_OWNER(board_[step.oppFrom_]) == OB_OPP(toMove_));
step.oppPiece_ = OB_PIECE(board_[step.oppFrom_]);
}
return true;
}
}
return false;
}
//---------------------------------------------------------------------
Step OB_Board::chooseStepWithKnowledge(StepArray& steps, uint stepsNum) const
{
assert(stepsNum > 0);
uint bestIndex = stepsNum - 1;
float bestEval = INT_MIN;
float eval = 0;
//int r = smallRandomPrime();
//int index;
//cerr << toString();
if ( cfg.knowledgeTournamentSize() == 0){
for (uint i = 0; i < stepsNum; i++){
//index = ((i+1)*r) % stepsNum;
if (rand01() >= 0.5)
continue;
const Step& step = steps[i];
eval = evaluateStep(step);
//cerr << i << "/" << stepsNum << "/" << endl;
//cerr << step.toString() << " " << eval << " | ";
if (eval > bestEval){
bestEval = eval;
bestIndex = i;
}
}
//cerr << steps[bestIndex].toString() << endl;
}
else {
for (uint i = 0; i < (stepsNum/2 > cfg.knowledgeTournamentSize() ? cfg.knowledgeTournamentSize() : stepsNum/2); i++){
//for (uint i = 0; i < cfg.knowledgeTournamentSize(); i++){
uint r = rand() % stepsNum;
assert(r >= 0 && r < stepsNum);
const Step& step = steps[r];
eval = evaluateStep(step);
if (eval > bestEval){
bestEval = eval;
bestIndex = r;
}
}
}
assert(bestIndex >= 0 && bestIndex < stepsNum);
return steps[bestIndex];
}
//---------------------------------------------------------------------
float OB_Board::evaluateStep(const Step& step) const
{
float eval = 0;
if (step.isPass()){
eval -= 0.5 * (STEPS_IN_MOVE - stepCount_);
return eval;
}
assert(step.pieceMoved());
assert(OB_IS_PLAYER(board_[step.from_]));
//we don't like inverse steps
//TODO ... inverse step is reasonable when something dies in the trap
if (step.inversed(lastStep_)){
eval -= 5;
return eval;
}
if (step.piece_ == OB_PIECE_ELEPHANT ) {
eval += 0.1;
}
if (step.isPushPull()){
//push opponent to the goal :( not impossible ? )
if (step.oppPiece_ == OB_PIECE_RABBIT &&
ROW(step.oppTo_) == rabbitWinRow[PLAYER_TO_INDEX(OB_OPP(step.player_))]){
eval -= 10;
}
//otherwise push/pulls are encouraged
else{
eval += 0.5;
}
}
//check self-kill
if (checkKillForward(step.from_, step.to_)){
//allow self-kills to allow rabbits move to the goal
//in the opponent's part of the board
if (step.piece_ == OB_PIECE_RABBIT && ! OB_IS_TRAP(step.to_) &&
((toMove_ == OB_GOLD && ROW(step.from_) >= 4) ||
(toMove_ == OB_SILVER && ROW(step.from_) <= 5))){
eval -= 1;
}
else{
eval -= 5;
}
}
else{
//push opp to trap is good
if (step.isPushPull() && OB_IS_TRAP(step.oppTo_)){
eval += 3;
}
//check opp-kill
if (step.isPushPull() && checkKillForward(step.oppFrom_, step.oppTo_)){
eval += 5;
}
}
//rabbit movements
if (step.piece_ == OB_PIECE_RABBIT){
//moves in opponent's part of the board are encouraged
if ((toMove_ == OB_GOLD && ROW(step.from_) >= 4) ||
(toMove_ == OB_SILVER && ROW(step.from_) <= 5)){
//empty space ahead is good
bool empty = true;
int emptyNum = 0;
int row = ROW(step.from_);
int toEdge = toMove_ == OB_GOLD ?
TOP_ROW - row :
row - BOTTOM_ROW;
while (emptyNum < toEdge){
row += toMove_ == OB_GOLD ? +1 : -1 ;
if (board_[row * 10 + COL(step.from_)] != OB_EMPTY_SQUARE){
empty = false;
assert(toEdge > emptyNum);
break;
}
emptyNum++;
}
//moving forward
if (step.to_ - step.from_ == rabbitForward[toMoveIndex_]) {
if (empty){
eval += 5;
}
eval += emptyNum * 1;
}
//TODO add evaluation for moves left right
}
else { //move in player's part
eval += -2;
}
} //rabbits
//locality
if (cfg.localPlayout() &&
lastStep_.stepType_ != STEP_NULL){
int d = OB_SQUARE_DISTANCE(lastStep_.to_, step.from_);
eval += d <= 3 ? (3 - d) * 0.5 : 0;
}
return eval;
}
//---------------------------------------------------------------------
bool OB_Board::checkKillForward(ob_square_t from, ob_square_t to, KillInfo* killInfo) const
{
if ( OB_IS_TRAP(to) ) { //piece steps into the trap ( or is pushed/pulled in there )
if ( ! hasTwoFriends(to, OB_OWNER(board_[from])) ) {
if (killInfo != NULL){
killInfo->setValues(OB_OWNER(board_[from]), OB_PIECE(board_[from]), to); //activates as well
}
return true;
}
else //piece was moved into the trap but hasn't died -> no kill
return false;
}
int actTrapPos;
for (int i = 0; i < 4; i++){
actTrapPos = from + direction[i];
if ( OB_IS_TRAP(actTrapPos) &&
board_[actTrapPos] != OB_EMPTY_SQUARE && //it is a trap where piece is standing
OB_OWNER(board_[actTrapPos]) == OB_OWNER(board_[from]) &&
! hasTwoFriends(actTrapPos, OB_OWNER(board_[actTrapPos])) ){ //piece has < 2 friends
if (killInfo != NULL){
killInfo->setValues(OB_OWNER(board_[actTrapPos]), OB_PIECE(board_[actTrapPos]), actTrapPos);
}
return true;
}
}
return false;
}
//---------------------------------------------------------------------
bool OB_Board::checkKill(ob_square_t square)
{
int actTrapPos;
for (int i = 0; i < 4; i++){
actTrapPos = square + direction[i];
if ( OB_IS_TRAP(actTrapPos) ){
if ( board_[actTrapPos] != OB_EMPTY_SQUARE && ! hasFriend(actTrapPos) ){
performKill(actTrapPos);
return true;
}
return false;
}
}
return false;
}
//---------------------------------------------------------------------
void OB_Board::performKill(ob_square_t trapPos)
{
int playerIndex = PLAYER_TO_INDEX(OB_OWNER(board_[trapPos]));
if (OB_PIECE(board_[trapPos]) == OB_PIECE_RABBIT) //update rabbitsNum - for gameEnd check
rabbitsNum[playerIndex]--;
clearSquare(trapPos);
pieceArray[playerIndex].del(trapPos);
}
//---------------------------------------------------------------------
bool OB_Board::makeStepTryCommitMove(const Step& step)
{
makeStep(step);
if (stepCount_ >= 4 || ! step.pieceMoved()) {
updateWinner();
commitMove();
return true;
}
return false;
}
//---------------------------------------------------------------------
void OB_Board::makeMove(const string& moveRaw)
{
string move = trimLeft(trimRight(moveRaw));
if (move == "")
return;
stringstream ss(move);
while (ss.good()){
recordAction_e recordAction;
string token;
ob_player_t player;
ob_piece_t piece;
ob_square_t from;
ob_square_t to;
ss >> token;
recordAction = parseRecordActionToken(token, player, piece, from, to);
Step step = Step(STEP_SINGLE, player, piece, from, to);
switch (recordAction){
case ACTION_PLACEMENT:
assert(moveCount_ == 1);
setSquare(from, player, piece);
pieceArray[PLAYER_TO_INDEX(player)].add(from);
if (piece == OB_PIECE_RABBIT)
rabbitsNum[PLAYER_TO_INDEX(player)]++;
break;
case ACTION_STEP:
assert(moveCount_ > 1);
makeStep(step);
break;
case ACTION_TRAP_FALL:
case ACTION_ERROR:
break;
}
}
commitMove();
}
//---------------------------------------------------------------------
void OB_Board::makeMove(const Move& move)
{
makeMoveNoCommit(move);
commitMove();
}
//---------------------------------------------------------------------
void OB_Board::makeMoveNoCommit(const Move& move)
{
StepList stepList;
stepList = move.getStepList();
assert(stepList.size() <= STEPS_IN_MOVE);
for (StepListIter it = stepList.begin(); it != stepList.end(); it++)
makeStep(*it);
}
//---------------------------------------------------------------------
void OB_Board::commitMove()
{
assert(toMove_ == OB_GOLD || toMove_ == OB_SILVER);
if (toMove_ == OB_SILVER)
moveCount_++;