From 815abe7aabf47814dc391d19dedd6e9b23f100a1 Mon Sep 17 00:00:00 2001
From: Adam <adammegarules1@gmail.com>
Date: Wed, 29 Jul 2026 08:49:58 +0200
Subject: adding transpositions

---
 src/uci.cpp | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

(limited to 'src/uci.cpp')

diff --git a/src/uci.cpp b/src/uci.cpp
index 4e32d6f..b4e384a 100644
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -15,6 +15,7 @@
 #include <chrono>
 #include <fstream>
 #include <iomanip>
+#include <unordered_map>
 
 std::ofstream uciLog("uci_log.txt", std::ios::app);
 
@@ -44,7 +45,8 @@ Move UciToMove(string uci) {
 
   return {from, to};
 }
-static Game initBoard(string startingFEN) {
+Game initBoard(string startingFEN,
+               std::unordered_map<uint64_t, float> *transPositions) {
   Game b{};
   b.enPassant = IndexToPosition(0); // default value
   b.canEnpassant = false;
@@ -53,7 +55,7 @@ static Game initBoard(string startingFEN) {
   b.castle = "";
   b.halfMoveClock = 0;
   b.MoveClock = 0;
-  setBoardFen(startingFEN, &b);
+  b.Transpositions = transPositions;
 
   Piece EmptyPiece = {
       false,
@@ -64,11 +66,15 @@ static Game initBoard(string startingFEN) {
     b.pieces[i] = EmptyPiece;
   };
 
+  setBoardFen(startingFEN, &b);
+
   return b;
 };
 void Uci() {
+  unordered_map<uint64_t, float> transpositions = {};
   Game game =
-      initBoard("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1");
+      initBoard("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
+                &transpositions);
 
   string line;
 
@@ -85,7 +91,8 @@ void Uci() {
       cout.flush();
     } else if (cmd == "ucinewgame") {
       game =
-          initBoard("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1");
+          initBoard("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
+                    &transpositions);
     } else if (cmd == "isready") {
       cout << "readyok\n";
       cout.flush();
@@ -126,7 +133,8 @@ void Uci() {
 
       if (token == "startpos") {
         game = initBoard(
-            "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1");
+            "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
+            &transpositions);
       } else if (token == "fen") {
         string fen;
         string part;
@@ -139,7 +147,7 @@ void Uci() {
           fen += part;
         }
 
-        game = initBoard(fen);
+        game = initBoard(fen, &transpositions);
       }
 
       // check for moves
-- 
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