Init
This commit is contained in:
commit
b42f2c6eaf
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*.user
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#include <SFML/Window/Event.hpp>
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#include "application.h"
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constexpr int SCREEN_WIDTH = 1280;
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constexpr int SCREEN_HEIGHT = 720;
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const sf::Time TIME_PER_SECOND = sf::seconds(1.f / 60.f);
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Application::Application() :
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render_window({SCREEN_WIDTH, SCREEN_HEIGHT}, "Sliding Puzzle")
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{}
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void Application::run()
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{
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render_window.setFramerateLimit(60);
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render_window.display();
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while (render_window.isOpen())
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{
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processInput();
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draw();
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}
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}
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void Application::draw()
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{
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render_window.clear();
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board.draw(render_window);
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render_window.setView(render_window.getDefaultView());
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render_window.display();
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}
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bool Application::processInput()
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{
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sf::Event event;
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while (render_window.pollEvent(event))
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{
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switch (event.type)
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{
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case sf::Event::Closed:
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render_window.close();
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break;
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case sf::Event::KeyPressed:
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if (board.isWinCondition())
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return true;
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if (event.key.code == sf::Keyboard::Z)
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board.onSelectionMode();
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else
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board.moveSelection(getDirection(event.key.code));
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break;
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default:
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break;
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}
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}
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return true;
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}
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DIRECTION Application::getDirection(sf::Keyboard::Key &key) const
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{
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switch (key)
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{
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case sf::Keyboard::A:
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case sf::Keyboard::Left:
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case sf::Keyboard::Num4:
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return DIRECTION::LEFT;
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case sf::Keyboard::W:
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case sf::Keyboard::Up:
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case sf::Keyboard::Num8:
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return DIRECTION::UP;
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case sf::Keyboard::D:
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case sf::Keyboard::Right:
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case sf::Keyboard::Num6:
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return DIRECTION::RIGHT;
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case sf::Keyboard::S:
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case sf::Keyboard::Down:
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case sf::Keyboard::Num2:
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return DIRECTION::DOWN;
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default:
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return DIRECTION::NONE;
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}
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}
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#pragma once
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#include <SFML/Window/Keyboard.hpp>
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#include "board.h"
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class Application
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{
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public:
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explicit Application();
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void run();
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void draw();
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bool processInput();
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private:
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DIRECTION getDirection(sf::Keyboard::Key &key) const;
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Board board;
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sf::RenderWindow render_window;
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};
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#include "board.h"
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#include <cstdlib>
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#include <iostream>
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const std::string picture_dest = "art.png";
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Board::Board(int splitting) :
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selection_index(0),
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on_selection(false)
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{
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// PREPARING INITIAL BOARD STATE //
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if (!global_texture.loadFromFile(picture_dest) )
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return;
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const float width = global_texture.getSize().x;
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const float height = global_texture.getSize().y;
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Cell::side_length = (width < height) ? width / splitting : height / splitting;
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cells_on_height = height / Cell::side_length;
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cells_on_width = width / Cell::side_length;
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vec_field.reserve(cells_on_height * cells_on_width);
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vec_ref.reserve(vec_field.size());
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/* Iterating board cells' screen positions.
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* The initial image after this would look exactly like the loaded picture, not shuffled yet. */
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Cells::size_type index = 0;
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for (int x = 0; x < height; x += Cell::side_length)
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{
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if ((height - x) >= Cell::side_length)
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{
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for (int y = 0; y < width; y += Cell::side_length)
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{
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if ((width - y) >= Cell::side_length)
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{
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sf::Sprite* sp = new sf::Sprite(global_texture, sf::IntRect(y, x, Cell::side_length, Cell::side_length));
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sp->setPosition(y, x);
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vec_field.push_back({index, index, sp});
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vec_ref.push_back(index);
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++index;
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}
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}
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}
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}
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// SHUFFLING //
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srand(static_cast<unsigned int>(time(nullptr)));
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for (Cells::iterator curr_it = vec_field.begin(); curr_it != vec_field.end(); ++curr_it)
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{
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bool success = false;
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while (!success)
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{
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Cells::iterator swap_it = cellByCurrentIndex(rand() & (vec_field.size() - 1));
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if (curr_it->current_index == swap_it->current_index)
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continue;
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swapCells(curr_it, swap_it);
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success = true;
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}
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}
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setSelectionVertex(selection_index);
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}
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Board::~Board()
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{
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for (Cell& cell : vec_field)
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delete cell.sprite;
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}
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void Board::draw(sf::RenderWindow& window)
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{
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for (const Cell& cell : vec_field)
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window.draw(*cell.sprite);
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window.draw(rect_selection);
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}
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bool Board::moveSelection(const DIRECTION &direction)
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{
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if (!on_selection)
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{
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switch (direction) {
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case DIRECTION::UP:
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if (selection_index < cells_on_width) // if upper row
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return false;
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selection_index -= cells_on_width;
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setSelectionVertex(selection_index);
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break;
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case DIRECTION::DOWN:
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if (selection_index > (cells_on_width * (cells_on_height - 1))) // if bottom row
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return false;
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selection_index += cells_on_width;
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setSelectionVertex(selection_index);
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break;
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case DIRECTION::RIGHT:
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++selection_index;
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if (selection_index == vec_field.size()) // if the last cell of right bottom corner
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selection_index = 0; // move to the first cell of upper left corner
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setSelectionVertex(selection_index);
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break;
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case DIRECTION::LEFT:
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if (selection_index == 0) // if the first cell of of upper left corner
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selection_index = vec_field.size() - 1; // move to the last cell of right bottom corner
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else
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--selection_index;
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setSelectionVertex(selection_index);
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break;
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default:
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return false;
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break;
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}
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return true;
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}
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switch (direction) {
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case DIRECTION::UP:
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if (selection_index < cells_on_width) // if upper row
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return false;
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swapCells(cellByCurrentIndex(selection_index), cellByCurrentIndex(selection_index - cells_on_width));
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selection_index -= cells_on_width;
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setSelectionVertex(selection_index);
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break;
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case DIRECTION::DOWN:
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if (selection_index > (cells_on_width * (cells_on_height - 1))) // if bottom row
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return false;
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swapCells(cellByCurrentIndex(selection_index), cellByCurrentIndex(selection_index + cells_on_width));
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selection_index += cells_on_width;
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setSelectionVertex(selection_index);
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break;
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case DIRECTION::RIGHT:
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if ((selection_index + 1) % cells_on_width == 0)
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return false;
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swapCells(cellByCurrentIndex(selection_index), cellByCurrentIndex(selection_index + 1));
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++selection_index;
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setSelectionVertex(selection_index);
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break;
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case DIRECTION::LEFT:
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if (((selection_index % cells_on_width == 0) && (selection_index > cells_on_width)) || selection_index == 0)
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return false;
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swapCells(cellByCurrentIndex(selection_index), cellByCurrentIndex(selection_index - 1));
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--selection_index;
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setSelectionVertex(selection_index);
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break;
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default:
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return false;
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break;
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}
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on_selection = false;
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return true;
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}
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void Board::onSelectionMode()
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{
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on_selection = !on_selection;
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}
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void Board::setSelectionVertex(Cells::size_type index)
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{
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const auto& cell = cellByCurrentIndex(index);
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const auto& pos = cell->sprite->getPosition();
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const auto& x = pos.x;
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const auto& y = pos.y;
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const float length = static_cast<float>(Cell::side_length);
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rect_selection = sf::VertexArray(sf::LinesStrip, 5);
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rect_selection[0].position = pos;
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rect_selection[0].color = sf::Color::Red;
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rect_selection[1].position = sf::Vector2f(x + length, y);
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rect_selection[1].color = sf::Color::Red;
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rect_selection[2].position = sf::Vector2f(x + length, y + length);
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rect_selection[2].color = sf::Color::Red;
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rect_selection[3].position = sf::Vector2f(x, y + length);
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rect_selection[3].color = sf::Color::Red;
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rect_selection[4].position = pos;
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rect_selection[4].color = sf::Color::Red;
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}
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void Board::swapCells(Cells::size_type curr_cell_ind, Cells::size_type swap_cell_ind)
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{
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auto& curr_cell = vec_field[curr_cell_ind];
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auto& swap_cell = vec_field[swap_cell_ind];
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const sf::Vector2f temp_pos = curr_cell.sprite->getPosition();
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const Cells::size_type temp_cell_index = curr_cell.current_index;
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curr_cell.sprite->setPosition(vec_field[swap_cell_ind].sprite->getPosition());
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curr_cell.current_index = vec_field[swap_cell_ind].current_index;
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swap_cell.sprite->setPosition(temp_pos);
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swap_cell.current_index = temp_cell_index;
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}
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Board::Cells::iterator Board::cellByCurrentIndex(Cells::size_type index)
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{
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return std::find_if(vec_field.begin(), vec_field.end(), [&](const Cell& cell) { return cell.current_index == index; });
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}
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bool Board::isWinCondition() const
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{
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return std::all_of(vec_field.begin(), vec_field.end(), [](const Cell& cell){ return cell.current_index == cell.inital_index; });
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}
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int Board::Cell::side_length = 0;
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#pragma once
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#include <SFML/Graphics/RenderWindow.hpp>
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#include <SFML/Graphics/VertexArray.hpp>
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#include <SFML/Graphics/Texture.hpp>
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#include <SFML/Graphics/Sprite.hpp>
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#include <array>
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using pos = std::pair<int, int>;
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enum class DIRECTION
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{
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UP,
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DOWN,
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RIGHT,
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LEFT,
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NONE
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};
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class Board
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{
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public:
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explicit Board(int splitting = 6);
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~Board();
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void draw(sf::RenderWindow& window);
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bool moveSelection(const DIRECTION& direction);
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void onSelectionMode();
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bool isWinCondition() const;
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private:
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struct Cell
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{
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std::vector<Cell>::size_type inital_index;
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std::vector<Cell>::size_type current_index;
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sf::Sprite *sprite;
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static float side_length;
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};
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using Cells = std::vector<Cell>;
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using RefCells = std::vector<Cells::size_type>;
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sf::VertexArray rect_selection;
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Cells::size_type selection_index;
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Cells::size_type cells_on_width; // amount of cells on horizontal side of board
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Cells::size_type cells_on_height; // amount of cells on vertical side of board
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Cells vec_field;
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RefCells vec_ref; // map to actual index
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sf::Texture global_texture;
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bool on_selection;
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void setSelectionVertex(Cells::size_type index);
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void swapCells(Cells::size_type curr_cell_ind, Cells::size_type swap_cell_ind);
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Cells::iterator cellByCurrentIndex(Cells::size_type index);
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};
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@ -0,0 +1,16 @@
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#pragma once
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#include <sstream>
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#include <iomanip>
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#include <numeric>
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#include <algorithm>
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#include <vector>
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#include <filesystem>
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static std::tuple<std::filesystem::path, std::filesystem::file_status, size_t> file_info(const std::filesystem::directory_entry& entry)
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{
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const auto fs (std::filesystem::status(entry));
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return {entry.path(),
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fs,
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std::filesystem::is_regular_file(fs) ? std::filesystem::file_size(entry.path()) : 0u};
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}
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@ -0,0 +1,7 @@
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#include "gamestate.h"
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int main()
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{
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GameState game;
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game.run();
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}
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@ -0,0 +1,17 @@
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TEMPLATE = app
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QMAKE_CXXFLAGS = -Wall -Werror -Wextra -Wpedantic -Wconversion -std=c++17 -O2 -g
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CONFIG += c++17
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CONFIG -= app_bundle
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CONFIG -= qt
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SOURCES += \
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board.cpp \
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application.cpp \
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main.cpp
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HEADERS += \
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board.h \
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filepath_util.h \
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application.h
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unix:LIBS += -lsfml-graphics -lsfml-audio -lsfml-window -lsfml-system
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