Chess/AiPlayer.cpp

#include "AiPlayer.h"
#include "Position.h"
#include "Chessboard.h"
#include "King.h"
#include <iostream>
#include <utility>
#include <vector>

std::pair<bool, vector<std::pair<Position, Position>>> get_solve(Chessboard board, char turn, int depth)
{
    if (depth==0) {
        return std::pair<bool, vector<std::pair<Position, Position>>>(false, vector<std::pair<Position, Position>>());
    }

    vector<Chessboard> boards;
    King k(Position(), turn=='W' ? 'B' : 'W');
    Position uk;

    // Ищем фигуры своего цвета и вражеского короля
    vector<Figure*> my_figures;
    for(int i = 0; i < 8; i++) {
        for(int j = 0; j < 8; j++) {
            if (board.get_icell(i,j).get_figure() != nullptr and board.get_icell(i,j).get_figure()->get_color() == turn)
                my_figures.push_back(board.get_icell(i,j).get_figure());
            if (board.get_icell(i,j).get_figure() != nullptr and board.get_icell(i,j).get_figure()->print() == k.print())
                uk = board.get_icell(i,j).get_figure()->get_position();
        }
    }

    // Создаём новые доски
    vector<Position> figure_positions;
    Chessboard new_board;
    vector<Chessboard> feature_boards;
    std::pair<bool, vector<std::pair<Position, Position>>> result;
    vector<std::pair<Position, Position>> moves;
    for (int i = 0; i < my_figures.size(); i++) {
        figure_positions = my_figures[i]->get_moves();
        for (int j = 0; j < figure_positions.size(); j++) {
            if (figure_positions[j].posSym == uk.posSym and figure_positions[j].posNum == uk.posNum) {
                moves.push_back(std::pair<Position, Position>(my_figures[i]->get_position(), figure_positions[j]));
                return std::pair<bool, vector<std::pair<Position, Position>>>(true, moves);
            }
            new_board = board.copy();
            new_board.create_move(my_figures[i]->get_position(), figure_positions[j]);
            result = get_solve(new_board, turn=='W' ? 'B' : 'W', depth-1);
            if (result.first == true) {
                result.second.push_back(std::pair<Position, Position>(my_figures[i]->get_position(), figure_positions[j]));
                return result;
            }
        }
    }

    return std::pair<bool, vector<std::pair<Position, Position>>>(false, vector<std::pair<Position, Position>>());

}


std::pair<Position, Position> AiPlayer::get_move(Chessboard board, char color)
{
    vector<std::pair<Position, Position>> p = get_solve(board, color, 3);

    return std::pair<Position, Position>(Position('F', '6'), Position('F', '5'));
}