//public AbdadaTable AbdadaTable { get; }
public SearchState()
{
TranspositionTable = new TranspositionTable();
PrincipalVariationTable = new PrincipalVariationTable();
//AbdadaTable = new AbdadaTable();
ThreadStates = new ThreadUniqueState[SearchConstants.ThreadCount];
for (int i = 0; i < ThreadStates.Length; i++)
{
ThreadStates[i] = new ThreadUniqueState(i);
}
EmptyContinuation = new ContinuationEntry();
}
public void OrderNextMove2(int currentIndex, Move[] moves, int[] staticScores, int[] seeScores, int moveCount, ThreadUniqueState state)
{
var bestScore = int.MinValue;
var bestScoreIndex = -1;
for (var i = currentIndex; i < moveCount; i++)
{
var move = moves[i];
var score = staticScores[i];
if (move.TakesPiece != ChessPiece.Empty)
{
score += state.CaptureHistory[move.Piece][move.To][move.TakesPiece];
}
else if (score == 0)
{
//if (score < 6_000_000 && move.Key2 == countermove)
//{
// score = 7_000_000;
//}
score += state.History[move.ColorToMove][move.From][move.To];
//score += state.PieceToHistory[move.Piece][move.To] >> 2;
//score = 0;
}
if (score > bestScore)
{
bestScore = score;
bestScoreIndex = i;
}
}
if (currentIndex != bestScoreIndex)
{
var bestMove = moves[bestScoreIndex];
var bestSee = seeScores[bestScoreIndex];
var bestStatic = staticScores[bestScoreIndex];
for (int i = bestScoreIndex - 1; i >= currentIndex; i--)
{
moves[i + 1] = moves[i];
seeScores[i + 1] = seeScores[i];
staticScores[i + 1] = staticScores[i];
}
moves[currentIndex] = bestMove;
seeScores[currentIndex] = bestSee;
staticScores[currentIndex] = bestStatic;
}
}
public void OrderNextMove(int currentIndex, Move[] moves, int[] staticScores, int[] seeScores, int moveCount, ThreadUniqueState state)
{
var bestScore = int.MinValue;
var bestScoreIndex = -1;
for (var i = currentIndex; i < moveCount; i++)
{
var move = moves[i];
var score = staticScores[i];
if (move.TakesPiece != ChessPiece.Empty)
{
score += state.CaptureHistory[move.Piece][move.To][move.TakesPiece];
}
else
{
if (score == 0)
{
//if (score < 6_000_000 && move.Key2 == countermove)
//{
// score = 7_000_000;
//}
var historyScore = state.History[move.ColorToMove][move.From][move.To];
//var continuation1 = state.CurrentContinuations[0].Scores[move.Piece][move.To];
//var continuation2 = state.CurrentContinuations[1].Scores[move.Piece][move.To];
//var continuation3 = state.CurrentContinuations[2].Scores[move.Piece][move.To];
//var continuation4 = state.CurrentContinuations[3].Scores[move.Piece][move.To];
//var continuationScores = state.CurrentContinuations.Select(x => x?.Scores[move.Piece][move.To]).ToList();
score += historyScore;
//score += continuation1 * 2;
//score += continuation2;
//score += continuation3;
//score += continuation4;
//if (score == 0)
//{
// score += historyScore >> 2;
//}
//var a = state.CurrentContinuations;
//score += state.PieceToHistory[move.Piece][move.To] >> 2;
//score = 0;
}
}
if (score > bestScore)
{
bestScore = score;
bestScoreIndex = i;
}
}
var tempMove = moves[currentIndex];
moves[currentIndex] = moves[bestScoreIndex];
moves[bestScoreIndex] = tempMove;
var tempSee = seeScores[currentIndex];
seeScores[currentIndex] = seeScores[bestScoreIndex];
seeScores[bestScoreIndex] = tempSee;
var tempScore = staticScores[currentIndex];
staticScores[currentIndex] = staticScores[bestScoreIndex];
staticScores[bestScoreIndex] = tempScore;
}
