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357 lines
8.3 KiB
357 lines
8.3 KiB
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#include <SFML/Graphics.hpp>
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#include <SFML/Graphics/Color.hpp>
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#include <SFML/Graphics/Font.hpp>
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#include <SFML/Graphics/RectangleShape.hpp>
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#include <SFML/System/Clock.hpp>
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#include <SFML/System/Vector2.hpp>
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#include <SFML/Window/Keyboard.hpp>
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#include <iostream>
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#include <iterator>
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#include <string>
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#define WINDOW_WIDTH 280
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#define WINDOW_HEIGHT 400
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#define GRID_WIDTH 14
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#define GRID_HEIGHT 20
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class TileType {
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public:
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static TileType white, red, green, blue, yellow, magenta, cyan;
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sf::Color color;
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TileType(sf::Color _color) {
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color = _color;
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}
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};
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TileType TileType::white = TileType(sf::Color::White);
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TileType TileType::red = TileType(sf::Color::Red);
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TileType TileType::green = TileType(sf::Color::Green);
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TileType TileType::blue = TileType(sf::Color::Blue);
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TileType TileType::yellow = TileType(sf::Color::Yellow);
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TileType TileType::magenta = TileType(sf::Color::Magenta);
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TileType TileType::cyan = TileType(sf::Color::Cyan);
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class BlockType {
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public:
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static BlockType i, j, l, o, s, t, z;
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static BlockType* list[];
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static BlockType* random() {
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return list[rand() % 7];
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}
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TileType* tile_type;
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std::vector<std::vector<bool>> grid;
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bool rotate;
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BlockType(TileType* _tile_type, const std::vector<std::vector<bool>> _grid, bool _rotate = true) {
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tile_type = _tile_type;
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grid = _grid;
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rotate = _rotate;
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}
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};
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// https://gamedev.stackexchange.com/a/17978
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BlockType BlockType::i(&TileType::white, {
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{0, 0, 0, 0},
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{1, 1, 1, 1},
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{0, 0, 0, 0},
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{0, 0, 0, 0}
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});
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BlockType BlockType::j(&TileType::red, {
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{1, 0, 0},
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{1, 1, 1},
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{0, 0, 0}
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});
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BlockType BlockType::l(&TileType::green, {
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{0, 0, 1},
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{1, 1, 1},
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{0, 0, 0}
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});
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BlockType BlockType::o(&TileType::blue, {
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{1, 1},
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{1, 1}
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}, false);
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BlockType BlockType::s(&TileType::yellow, {
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{0, 1, 1},
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{1, 1, 0},
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{0, 0, 0}
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});
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BlockType BlockType::t(&TileType::magenta, {
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{0, 1, 0},
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{1, 1, 1},
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{0, 0, 0}
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});
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BlockType BlockType::z(&TileType::cyan, {
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{1, 1, 0},
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{0, 1, 1},
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{0, 0, 0}
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});
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BlockType* BlockType::list[] = {&i, &j, &l, &o, &s, &t, &z};
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class Block {
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public:
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BlockType* type;
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sf::Vector2i position;
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int rotation_state;
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Block() {
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type = BlockType::random();
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position = sf::Vector2i(GRID_WIDTH / 2 - type->grid[0].size() / 2, 0);
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rotation_state = 0;
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}
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std::vector<sf::Vector2i> get_tiles() {
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std::vector<sf::Vector2i>tiles = {};
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for (int y = 0; y < type->grid.size(); y++) {
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for (int x = 0; x < type->grid[y].size(); x++) {
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if (!type->grid[y][x]) {
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continue;
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}
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int rotated_x = x;
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int rotated_y = y;
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if (type->rotate) {
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int center_x = type->grid[0].size() / 2;
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int center_y = type->grid.size() / 2;
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int offset_x = x - center_x;
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int offset_y = y - center_y;
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switch (rotation_state) {
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case 0:
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rotated_x = x;
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rotated_y = y;
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break;
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case 1:
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rotated_x = center_x + offset_y;
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rotated_y = center_y - offset_x;
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break;
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case 2:
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rotated_x = center_x - offset_x;
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rotated_y = center_y - offset_y;
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break;
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case 3:
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rotated_x = center_x - offset_y;
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rotated_y = center_y + offset_x;
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break;
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default:
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rotation_state %= 4;
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}
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}
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int global_x = rotated_x + position.x;
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int global_y = rotated_y + position.y;
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tiles.push_back(sf::Vector2i(global_x, global_y));
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}
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}
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return tiles;
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}
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};
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int main()
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{
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srand(time(NULL));
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sf::RenderWindow window(sf::VideoMode(WINDOW_WIDTH, WINDOW_HEIGHT), "elnutris");
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Block block;
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TileType* grid[GRID_HEIGHT][GRID_WIDTH] = { nullptr };
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int shape_width = WINDOW_WIDTH / GRID_WIDTH;
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int shape_height = WINDOW_HEIGHT / GRID_HEIGHT;
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sf::RectangleShape shape(sf::Vector2f(shape_width, shape_height));
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bool snap, rotate, move_left, move_right;
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sf::Clock update_clock;
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sf::Clock move_clock;
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int score = 0;
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sf::Font font;
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font.loadFromFile("../res/font.ttf");
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sf::Text text;
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text.setFont(font);
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text.setString("0");
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text.setCharacterSize(24);
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text.setFillColor(sf::Color::White);
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text.setPosition(8, 0);
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int update_interval = 250;
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while (window.isOpen())
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{
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sf::Event event;
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while (window.pollEvent(event))
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{
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switch (event.type) {
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case sf::Event::Closed:
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window.close();
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break;
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case sf::Event::KeyPressed:
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switch (event.key.code) {
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case sf::Keyboard::Space:
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snap = true;
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break;
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case sf::Keyboard::Up:
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rotate = true;
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break;
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case sf::Keyboard::Left:
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move_left = true;
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break;
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case sf::Keyboard::Right:
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move_right = true;
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break;
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default:
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break;
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}
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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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bool is_update_frame = update_clock.getElapsedTime().asMilliseconds() > (sf::Keyboard::isKeyPressed(sf::Keyboard::Down) ? update_interval / 2 : update_interval);
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if (is_update_frame) {
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update_clock.restart();
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}
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bool is_move_frame = move_clock.getElapsedTime().asMilliseconds() > update_interval / 2;
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if (is_move_frame) {
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move_clock.restart();
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}
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// Rotation
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if (rotate && is_move_frame) {
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block.rotation_state++;
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// Check to see if new rotation state is overlapping any tiles
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for (auto tile : block.get_tiles()) {
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if (tile.x <= 0 || tile.x >= GRID_WIDTH || grid[tile.y][tile.x]) {
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block.rotation_state--;
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break;
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}
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}
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rotate = false;
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}
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// Horizontal movement
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if (is_move_frame) {
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int movement = 0;
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if (move_left || sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Left)) {
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movement--;
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move_left = false;
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}
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if (move_right ||sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Right)) {
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movement++;
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move_right = false;
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}
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if (movement != 0) {
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for (auto tile : block.get_tiles()) {
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if (tile.x + movement < 0 || tile.x + movement >= GRID_WIDTH || grid[tile.y][tile.x + movement]) {
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goto after_movement_loop;
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}
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}
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block.position.x += movement;
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}
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}
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after_movement_loop:
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// Snapping
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int snap_offset = 0;
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while (true) {
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for (auto tile : block.get_tiles()) {
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int y = tile.y + snap_offset;
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if (y == GRID_HEIGHT - 1 || grid[y + 1][tile.x] != nullptr) {
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goto after_snap_loop;
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}
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}
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snap_offset++;
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}
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after_snap_loop:
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if (snap) {
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block.position.y += snap_offset;
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snap = false;
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}
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// Land checking
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bool landed = false;
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for (auto tile : block.get_tiles()) {
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if (tile.y == GRID_HEIGHT - 1 || grid[tile.y + 1][tile.x] != nullptr) {
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landed = true;
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break;
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}
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}
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// Draw block
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window.clear();
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if (!landed) {
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sf::Color ghost_color = block.type->tile_type->color;
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ghost_color.a = 64;
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for (auto tile : block.get_tiles()) {
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int snap_y = tile.y + snap_offset;
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shape.setFillColor(block.type->tile_type->color);
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shape.setPosition(tile.x * shape_width, tile.y * shape_height);
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window.draw(shape);
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shape.setFillColor(ghost_color);
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shape.setPosition(tile.x * shape_width, snap_y * shape_height);
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window.draw(shape);
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}
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}
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// Landing (transfering block to grid and reinitializing)
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if (landed) {
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if (block.position.y == 0) {
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update_interval += score * 10;
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score = 0;
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text.setString("0");
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for (int y = 0; y < GRID_HEIGHT; y++) {
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for (int x = 0; x < GRID_WIDTH; x++) {
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grid[y][x] = nullptr;
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}
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}
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} else {
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for (auto tile : block.get_tiles()) {
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grid[tile.y][tile.x] = block.type->tile_type;
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}
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// Check for completed rows
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for (int y = 0; y < GRID_HEIGHT; y++) {
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bool completed = true;
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for (int x = 0; x < GRID_WIDTH; x++) {
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if (!grid[y][x]) {
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completed = false;
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break;
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}
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}
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if (!completed) {
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continue;
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}
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for (int z = y - 1; z >= 0; z--) {
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for (int x = 0; x < GRID_WIDTH; x++) {
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grid[z + 1][x] = grid[z][x];
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}
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}
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score++;
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update_interval -= 10;
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text.setString(std::to_string(score));
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}
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}
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block = Block();
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} else if(is_update_frame) {
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block.position.y++;
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}
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// Drawing grid
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for (int y = 0; y < GRID_HEIGHT; y++) {
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for (int x = 0; x < GRID_WIDTH; x++) {
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auto tile_type = grid[y][x];
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if (tile_type == nullptr) {
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// If tile_type is a nullptr (no block), continue
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continue;
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}
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shape.setFillColor(tile_type->color);
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shape.setPosition(x * shape_width, y * shape_height);
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window.draw(shape);
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}
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}
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window.draw(text);
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window.display();
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}
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return 0;
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} |