本文整理汇总了C++中MoveList::count方法的典型用法代码示例。如果您正苦于以下问题：C++ MoveList::count方法的具体用法？C++ MoveList::count怎么用？C++ MoveList::count使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MoveList的用法示例。
在下文中一共展示了MoveList::count方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: alphabeta
/*
* Alpha/Beta search
*
* - first, start with principal variation
* - depending on depth, we only do depth search for some move types
*/
int ABIDStrategy::alphabeta(int depth, int alpha, int beta)
{
int currentValue = -14999+depth, value;
Move m;
Move bestMove;
MoveList list;
bool depthPhase, doDepthSearch;
int i=0;
int movecounter =-1;
int flag=0;
/* We make a depth search for the following move types... */
int maxType = (depth < _currentMaxDepth-1) ? Move::maxMoveType :
(depth < _currentMaxDepth) ? Move::maxPushType :
Move::maxOutType;
_board->generateMoves(list);
if (_sc && _sc->verbose()) {
char tmp[100];
sprintf(tmp, "Alpha/Beta [%d;%d], %d moves (%d depth)", alpha, beta,
list.count(Move::none), list.count(maxType));
_sc->startedNode(depth, tmp);
}
/* check for an old best move in principal variation */
if (_inPV) {
m = _pv[depth];
if ((m.type != Move::none) &&
(!list.isElement(m, 0, true)))
m.type = Move::none;
if (m.type == Move::none) _inPV = false;
}
// first, play all moves with depth search
depthPhase = true;
while (1) {
pretty_print("movecounter", movecounter);
movecounter++;
// get next move
if (m.type == Move::none) {
if (depthPhase)
depthPhase = list.getNext(m, maxType);
if (!depthPhase)
if (!list.getNext(m, Move::none)) break;
}
if((thread_rank == movecounter% num_threads) || (depth > 0))// we could start with a non-depth move from principal variation
{
doDepthSearch = depthPhase && (m.type <= maxType);
_board->playMove(m);
/* check for a win position first */
if (!_board->isValid()) {
/* Shorter path to win position is better */
value = 14999-depth;
}
else {
if (doDepthSearch) {
/* opponent searches for its maximum; but we want the
* minimum: so change sign (for alpha/beta window too!)
*/
value = -alphabeta(depth+1, -beta, -alpha);
}
else {
value = evaluate();
}
}
_board->takeBack();
/* best move so far? */
if (value > currentValue) {
currentValue = value;
_pv.update(depth, m);
if (_sc) _sc->foundBestMove(depth, m, currentValue);
if (depth == 0)
_currentBestMove = m;
/* alpha/beta cut off or win position ... */
if (currentValue>14900 || currentValue >= beta) {
if (_sc) _sc->finishedNode(depth, _pv.chain(depth));
flag = 1;
break;
//return currentValue;
}
//.........这里部分代码省略.........
示例2: alphabeta
/*
* Alpha/Beta search
*
* - first, start with principal variation
* - depending on depth, we only do depth search for some move types
*/
int ABIDStrategy::alphabeta(int depth, int alpha, int beta)
{
int currentValue = -14999+depth, value;
Move m;
MoveList list;
bool depthPhase, doDepthSearch;
/* We make a depth search for the following move types... */
int maxType = (depth < _currentMaxDepth-1) ? Move::maxMoveType :
(depth < _currentMaxDepth) ? Move::maxPushType :
Move::maxOutType;
_board->generateMoves(list);
if (_sc && _sc->verbose()) {
char tmp[100];
sprintf(tmp, "Alpha/Beta [%d;%d], %d moves (%d depth)", alpha, beta,
list.count(Move::none), list.count(maxType));
_sc->startedNode(depth, tmp);
}
// don't use moves from the principal variation
m.type = Move::none;
// first, play all moves with depth search
depthPhase = true;
while (1) {
// get next move
if (m.type == Move::none) {
if (depthPhase)
depthPhase = list.getNext(m, maxType);
if (!depthPhase)
if (!list.getNext(m, Move::none)) break;
}
// we could start with a non-depth move from principal variation
doDepthSearch = depthPhase && (m.type <= maxType);
_board->playMove(m);
/* check for a win position first */
if (!_board->isValid()) {
/* Shorter path to win position is better */
value = 14999-depth;
}
else {
if (doDepthSearch) {
/* opponent searches for its maximum; but we want the
* minimum: so change sign (for alpha/beta window too!)
*/
value = -alphabeta(depth+1, -beta, -alpha);
}
else {
value = evaluate();
}
}
_board->takeBack();
/* best move so far? */
if (value > currentValue) {
currentValue = value;
_pv.update(depth, m);
/* alpha/beta cut off or win position ... */
if (currentValue>14900 || currentValue >= beta) {
if (_sc) _sc->finishedNode(depth, _pv.chain(depth));
return currentValue;
}
/* maximize alpha */
if (currentValue > alpha) alpha = currentValue;
}
if (_stopSearch) break; // depthPhase=false;
m.type = Move::none;
}
if (_sc) _sc->finishedNode(depth, _pv.chain(depth));
return currentValue;
}