slint/examples/memory/memory.cpp

// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: MIT

#include "memory.h"
#include <random>

int main()
{
    auto main_window = MainWindow::create();
    auto old_tiles = main_window->get_memory_tiles();
    std::vector<TileData> new_tiles;
    new_tiles.reserve(old_tiles->row_count() * 2);
    for (int i = 0; i < old_tiles->row_count(); ++i) {
        new_tiles.push_back(*old_tiles->row_data(i));
        new_tiles.push_back(*old_tiles->row_data(i));
    }
    std::default_random_engine rng {};
    std::shuffle(std::begin(new_tiles), std::end(new_tiles), rng);
    auto tiles_model = std::make_shared<slint::VectorModel<TileData>>(new_tiles);
    main_window->set_memory_tiles(tiles_model);

    main_window->on_check_if_pair_solved(
            [main_window_weak = slint::ComponentWeakHandle(main_window)] {
                auto main_window = *main_window_weak.lock();
                auto tiles_model = main_window->get_memory_tiles();
                int first_visible_index = -1;
                TileData first_visible_tile;
                for (int i = 0; i < tiles_model->row_count(); ++i) {
                    auto tile = *tiles_model->row_data(i);
                    if (!tile.image_visible || tile.solved)
                        continue;
                    if (first_visible_index == -1) {
                        first_visible_index = i;
                        first_visible_tile = tile;
                        continue;
                    }
                    bool is_pair_solved = tile == first_visible_tile;
                    if (is_pair_solved) {
                        first_visible_tile.solved = true;
                        tiles_model->set_row_data(first_visible_index, first_visible_tile);
                        tile.solved = true;
                        tiles_model->set_row_data(i, tile);
                        return;
                    }
                    main_window->set_disable_tiles(true);

                    slint::Timer::single_shot(std::chrono::seconds(1), [=]() mutable {
                        main_window->set_disable_tiles(false);
                        first_visible_tile.image_visible = false;
                        tiles_model->set_row_data(first_visible_index, first_visible_tile);
                        tile.image_visible = false;
                        tiles_model->set_row_data(i, tile);
                    });
                }
            });

    main_window->run();
}