adding depth support

1 files changed, 2 insertions, 4 deletions

diff --git a/src/bot.cpp b/src/bot.cpp
index 4188308..916a311 100644
--- a/src/bot.cpp
+++ b/src/bot.cpp
@@ -10,8 +10,6 @@
 #include <iostream>
 #include <vector>
 
-const int SEARCH_DEPTH = 5;
-
 const int PAWN_VALUE = 100;
 const int KNIGHT_VALUE = 320;
 const int BISHOP_VALUE = 400;
@@ -127,7 +125,7 @@ std::vector<Move> GetSortedLegalMoves(Game *g) {
   return moves;
 }
 
-Move EngineGetBestMove(Game *b) {
+Move EngineGetBestMove(Game *b, int depth) {
   auto moves = GetSortedLegalMoves(b);
   if (moves.size() == 0) {
     std::cout << "Expected a position with legal moves";
@@ -142,7 +140,7 @@ Move EngineGetBestMove(Game *b) {
     float alpha = -INFINITY;
     float beta = INFINITY;
 
-    float eval = minimax(SEARCH_DEPTH - 1, b, alpha, beta);
+    float eval = minimax(depth - 1, b, alpha, beta);
 
     UnMakeMove(undo, b);
     if (b->turn) {