stellar

UCI Chess engine written in C++20

git clone git://git.dimitrijedobrota.com/stellar.git

commit	1e2a1194e08c9d8f2fb72219cabf7dc5b56d0765
parent	67c3102f90a864a87055d35c03d2b17f41fa99fd
author	Dimitrije Dobrota <mail@dimitrijedobrota.com>
date	Tue, 15 Aug 2023 11:03:39 +0200

Fix the issue with the engine

Diffstat:

M	src/engine/CMakeLists.txt	\|	--
M	src/engine/engine.cpp	\|	++++++++--------
M	src/perft/CMakeLists.txt	\|	--

3 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/src/engine/CMakeLists.txt b/src/engine/CMakeLists.txt

@@ -8,8 +8,6 @@ target_link_libraries(engine

PRIVATE moves

)

target_link_libraries(engine PRIVATE "cul")

set_target_properties(engine PROPERTIES

VERSION ${PROJECT_VERSION}

SOVERSION ${PROJECT_VERSION_MAJOR}

diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp

@@ -7,6 +7,7 @@

#include "board.hpp"

#include "move.hpp"

#include "movelist.hpp"

#include "piece.hpp"

#include "score.hpp"

#include "transposition.hpp"

#include "utils_cpp.hpp"

@@ -35,7 +36,7 @@ U32 inline move_list_score(Move move) {

if (move.is_capture()) return piece::score(type, move.captured()) + 10000;

if (killer[0][ply] == move) return 9000;

if (killer[1][ply] == move) return 8000;

return history[to_underlying(type)][to_underlying(move.target())];

return history[piece::get_index(type, board.get_side())][to_underlying(move.target())];

}

void move_list_sort(MoveList &list, std::vector<int> &index, bool bestCheck = true) {

@@ -268,8 +269,8 @@ int negamax(int alpha, int beta, int depth, bool null) {

if (score > alpha) {

if (!move.is_capture()) {

int index = piece::get(move.piece(), board.get_side()).index;

history[index][to_underlying(move.target())] += depth;

history[piece::get_index(move.piece(), board.get_side())][to_underlying(move.target())] +=

depth;

}

alpha = score;

@@ -303,7 +304,7 @@ int negamax(int alpha, int beta, int depth, bool null) {

void move_print_UCI(Move move) {

std::cout << square_to_coordinates(move.source()) << square_to_coordinates(move.target());

// if (move.is_promote()) std::cout << move.piece_promote().code;

if (move.is_promote()) std::cout << piece::get_code(move.promoted(), board.get_side());

}

void search_position(int depth) {

@@ -363,8 +364,8 @@ char Instruction_token_next(Instruction self);

Instruction *Instruction_new(char *command) {

Instruction *p = new Instruction();

p->command = new char(strlen(command) + 1);

p->token = new char(strlen(command) + 1);

p->command = new char[strlen(command) + 1];

p->token = new char[strlen(command) + 1];

strcpy(p->command, command);

p->crnt = command;

Instruction_token_next(p);

@@ -414,8 +415,7 @@ Move parse_move(char *move_string) {

const Move move = list[i];

if (move.source() == source && move.target() == target) {

if (move_string[4]) {

char code = piece::get(move.promoted(), board.get_side()).code;

if (tolower(code) != move_string[4]) continue;

if (tolower(piece::get_code(move.promoted())) != move_string[4]) continue;

}

return move;

}

diff --git a/src/perft/CMakeLists.txt b/src/perft/CMakeLists.txt

@@ -10,8 +10,6 @@ target_link_libraries(perft