diff options
Diffstat (limited to 'src/bot.cpp')
| -rw-r--r-- | src/bot.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/bot.cpp b/src/bot.cpp index 621f3ea..908b418 100644 --- a/src/bot.cpp +++ b/src/bot.cpp @@ -10,6 +10,8 @@ #include <iostream> #include <vector> +const int DEFAULT_DEPTH = 4; + const int PAWN_VALUE = 100; const int KNIGHT_VALUE = 320; const int BISHOP_VALUE = 400; @@ -126,6 +128,7 @@ std::vector<Move> GetSortedLegalMoves(Game *g) { } Move EngineGetBestMove(Game *b, int depth) { + int usedDepth = (depth != -1 ? depth : DEFAULT_DEPTH); auto moves = GetSortedLegalMoves(b); if (moves.size() == 0) { std::cout << "Expected a position with legal moves"; @@ -140,7 +143,7 @@ Move EngineGetBestMove(Game *b, int depth) { float alpha = -INFINITY; float beta = INFINITY; - float eval = minimax(depth - 1, b, alpha, beta); + float eval = minimax(usedDepth - 1, b, alpha, beta); UnMakeMove(undo, b); if (b->turn) { |