54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
#include "Game.hpp"
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#include "GameState.hpp"
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#include <chrono>
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namespace pacman {
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void Game::run() {
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const std::chrono::milliseconds delta_time(1000 / 60);
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std::chrono::milliseconds accumulator(0);
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auto current_time = std::chrono::system_clock::now();
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while (true) {
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const auto newTime = std::chrono::system_clock::now();
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const auto frameTime = std::chrono::duration_cast<std::chrono::milliseconds>(newTime - current_time);
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current_time = newTime;
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accumulator += frameTime;
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processEvents(gameState.inputState);
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if (gameState.inputState.close)
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return;
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while (accumulator >= delta_time) {
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gameState.step(delta_time);
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accumulator -= delta_time;
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}
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canvas.render(gameState);
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}
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}
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void Game::processEvents(InputState & inputState) {
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const auto event = canvas.pollEvent();
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if (event && event.value().type == sf::Event::Closed) {
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inputState.close = true;
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return;
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}
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if (sf::Keyboard::isKeyPressed(sf::Keyboard::A)) {
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inputState.enableAI = !inputState.enableAI;
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}
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if (sf::Keyboard::isKeyPressed(sf::Keyboard::Q)) {
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exit(0);
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}
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inputState.down = sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Down);
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inputState.up = sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Up);
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inputState.left = sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Left);
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inputState.right = sf::Keyboard::isKeyPressed(sf::Keyboard::Key::Right);
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}
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} // namespace pacman
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