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-rw-r--r--src/board.cpp247
1 files changed, 0 insertions, 247 deletions
diff --git a/src/board.cpp b/src/board.cpp
deleted file mode 100644
index 43d30c0..0000000
--- a/src/board.cpp
+++ /dev/null
@@ -1,247 +0,0 @@
-#include "board.hpp"
-#include "moves.hpp"
-#include "zobrist/zobrist.hpp"
-#include <cassert>
-
-Piece createPiece(PieceType type, bool color) {
- Piece piece;
- piece.type = type;
- piece.color = color;
- return piece;
-}
-
-int PositionToIndex(Position i) { return i.rank * 8 + i.file; }
-
-Position FindKing(Game *b, bool white) {
- for (int i = 0; i < 64; i++) {
- Piece piece = b->pieces[i];
-
- if (piece.type == KING && piece.color == white) {
- return IndexToPosition(i);
- }
- }
-
- assert(false && "King not found");
- return {0, 0};
-}
-UndoMove MakeMove(Move move, Game *g) {
- UndoMove undo = {};
-
- undo.from = move.From;
- undo.to = move.To;
-
- undo.movedPiece = g->pieces[PositionToIndex(move.From)];
- undo.capturedPiece = g->pieces[PositionToIndex(move.To)];
-
- undo.oldTurn = g->turn;
- undo.oldCanEnpassant = g->canEnpassant;
- undo.oldEnPassant = g->enPassant;
-
- undo.oldHalfMoveClock = g->halfMoveClock;
- undo.oldMoveClock = g->MoveClock;
-
- undo.oldState = g->state;
-
- undo.OldwhiteCastleKing = g->whiteCastleKing;
- undo.OldwhiteCastleQueen = g->whiteCastleQueen;
- undo.OldblackCastleKing = g->blackCastleKing;
- undo.OldblackCastleQueen = g->blackCastleQueen;
-
- // play move
- Piece piece = g->pieces[PositionToIndex(move.From)];
- Piece piece2 = g->pieces[PositionToIndex(move.To)];
-
- if (piece2.type != NONEPIECE) {
- if (piece2.color == g->turn) {
- assert(false && "capturing friendly piece error");
- }
- }
-
- // clock
- g->MoveClock++;
- if (piece.type == PAWN || piece2.type != NONEPIECE) {
- g->halfMoveClock = 0;
- } else {
- g->halfMoveClock++;
- }
-
- // Playing enpasstant
- if (piece.type == PAWN && g->canEnpassant && move.To == g->enPassant) {
- Position capturedPawn = move.To;
- capturedPawn.rank += piece.color ? 1 : -1;
- g->pieces[PositionToIndex(capturedPawn)] = {false, NONEPIECE};
-
- undo.wasEnPassantCapture = true;
- undo.enPassantCapturedSquare = capturedPawn;
- undo.enPassantCapturedPiece = g->pieces[PositionToIndex(capturedPawn)];
- }
-
- g->canEnpassant = false;
-
- // Adding enpassant
- if (piece.type == PAWN) {
- Position to = move.To;
- to.rank -= (piece.color ? -2 : 2);
- if (to == move.From) {
- g->canEnpassant = true;
- Position target = move.From;
- target.rank += piece.color ? -1 : 1;
- g->enPassant = target;
- };
- }
-
- // Promotions
- if (piece.type == PAWN && move.To.rank == (piece.color ? 0 : 7)) {
- // TODO parse the promote type from uci isntead of ignoreting it
- piece.type = move.promotion == NONEPIECE ? QUEEN : move.promotion;
- }
-
- // caslte
- if (piece.type == KING && move.From.rank == (piece.color ? 0 : 7) &&
- (move.From.file + 2 == move.To.file ||
- move.From.file - 2 == move.To.file)) {
-
- undo.wasCastle = true;
- undo.CastledSide = (move.To.file > move.From.file);
- if (move.From.file + 2 == move.To.file) {
- Position rook_pos = move.To;
- rook_pos.file += 1;
- Piece rook = g->pieces[PositionToIndex(rook_pos)];
- g->pieces[PositionToIndex(rook_pos)] = {false, NONEPIECE};
- rook_pos = move.From;
- rook_pos.file -= 1;
- g->pieces[PositionToIndex(rook_pos)] = rook;
- }
- if (move.From.file - 2 == move.To.file) {
- Position rook_pos = move.To;
- rook_pos.file -= 1;
- Piece rook = g->pieces[PositionToIndex(rook_pos)];
- g->pieces[PositionToIndex(rook_pos)] = {false, NONEPIECE};
- rook_pos = move.From;
- rook_pos.file += 1;
- g->pieces[PositionToIndex(rook_pos)] = rook;
- }
- };
-
- // removing caslte rights
- if (piece.type == KING) {
- if (piece.color) {
- g->whiteCastleKing = false;
- g->whiteCastleQueen = false;
- } else {
- g->blackCastleKing = false;
- g->blackCastleQueen = false;
- }
- }
-
- // this part was written by ai
- if (piece.type == ROOK) {
- if (piece.color) { // White
- if (move.From.rank == 7 && move.From.file == 0) // a1
- g->whiteCastleQueen = false;
-
- if (move.From.rank == 7 && move.From.file == 7) // h1
- g->whiteCastleKing = false;
- } else { // Black
- if (move.From.rank == 0 && move.From.file == 0) // a8
- g->blackCastleQueen = false;
-
- if (move.From.rank == 0 && move.From.file == 7) // h8
- g->blackCastleKing = false;
- }
- }
-
- // this part is also written with ai
- if (piece2.type == ROOK) {
- if (piece2.color) { // White rook captured
- if (move.To.rank == 7 && move.To.file == 0) // a1
- g->whiteCastleQueen = false;
-
- if (move.To.rank == 7 && move.To.file == 7) // h1
- g->whiteCastleKing = false;
- } else { // Black rook captured
- if (move.To.rank == 0 && move.To.file == 0) // a8
- g->blackCastleQueen = false;
-
- if (move.To.rank == 0 && move.To.file == 7) // h8
- g->blackCastleKing = false;
- }
- }
-
- // playing the moves
- g->pieces[PositionToIndex(move.To)] = piece;
- g->pieces[PositionToIndex(move.From)] = {false, NONEPIECE};
-
- // changing who turn it is
- g->turn = !g->turn;
-
- // 3 fold check
- uint64_t key = GenerateZobristKey(g);
-
- undo.zobristKey = key;
-
- g->ThreeFoldMap[key]++;
-
- if (g->ThreeFoldMap[key] >= 3) {
- g->state = DRAW;
- }
-
- if (g->halfMoveClock >= 50) {
- g->state = DRAW;
- }
-
- return undo;
-};
-void UnMakeMove(UndoMove undo, Game *g) {
- g->pieces[PositionToIndex(undo.from)] = undo.movedPiece;
-
- g->pieces[PositionToIndex(undo.to)] = undo.capturedPiece;
-
- if (undo.wasEnPassantCapture) {
- g->pieces[PositionToIndex(undo.enPassantCapturedSquare)] =
- undo.enPassantCapturedPiece;
- }
-
- g->turn = undo.oldTurn;
-
- g->canEnpassant = undo.oldCanEnpassant;
- g->enPassant = undo.oldEnPassant;
-
- g->halfMoveClock = undo.oldHalfMoveClock;
- g->MoveClock = undo.oldMoveClock;
-
- g->state = undo.oldState;
-
- g->whiteCastleKing = undo.OldwhiteCastleKing;
- g->whiteCastleQueen = undo.OldwhiteCastleQueen;
- g->blackCastleKing = undo.OldblackCastleKing;
- g->blackCastleQueen = undo.OldblackCastleQueen;
-
- if (undo.wasCastle) {
- if (undo.CastledSide) {
- // rook f-file -> h-file
- Position rookFrom = undo.to;
- rookFrom.file -= 1; // f1/f8
-
- Position rookTo = undo.to;
- rookTo.file += 1; // h1/h8
-
- g->pieces[PositionToIndex(rookTo)] = g->pieces[PositionToIndex(rookFrom)];
- g->pieces[PositionToIndex(rookFrom)] = {false, NONEPIECE};
- } else {
- // rook d-file -> a-file
- Position rookFrom = undo.to;
- rookFrom.file += 1; // d1/d8
-
- Position rookTo = undo.to;
- rookTo.file -= 2; // a1/a8
-
- g->pieces[PositionToIndex(rookTo)] = g->pieces[PositionToIndex(rookFrom)];
- g->pieces[PositionToIndex(rookFrom)] = {false, NONEPIECE};
- }
- }
- g->ThreeFoldMap[undo.zobristKey] -= 1;
- if (g->ThreeFoldMap[undo.zobristKey] <= 0) {
- g->ThreeFoldMap.erase(undo.zobristKey);
- };
-};
generated by cgit v1.2.3 (git 2.39.1) at 2026-08-25 05:19:58 +0000