160 lines
2.8 KiB
C++
160 lines
2.8 KiB
C++
#include "..\e2dbase.h"
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#include "..\e2dmanager.h"
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#include "..\e2dtool.h"
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#include <thread>
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using namespace std::chrono;
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e2d::Game * e2d::Game::_instance = nullptr;
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e2d::Game::Game()
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: _ended(true)
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, _paused(false)
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, _config(nullptr)
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{
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CoInitialize(nullptr);
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_start = _last = _now = steady_clock::now();
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}
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e2d::Game::~Game()
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{
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GC::safeRelease(_config);
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CoUninitialize();
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}
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e2d::Game * e2d::Game::getInstance()
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{
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if (!_instance)
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_instance = new (std::nothrow) Game;
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return _instance;
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}
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void e2d::Game::destroyInstance()
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{
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if (_instance)
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{
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delete _instance;
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_instance = nullptr;
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}
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}
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void e2d::Game::start()
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{
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auto input = Input::getInstance();
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auto window = Window::getInstance();
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auto renderer = Renderer::getInstance();
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auto timer = Timer::getInstance();
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auto sceneManager = SceneManager::getInstance();
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auto actionManager = ActionManager::getInstance();
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if (!input || !window || !renderer || !timer || !sceneManager || !actionManager)
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{
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throw SystemException(L"初始化失败");
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}
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HWND hWnd = window->getHWnd();
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if (hWnd == nullptr)
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{
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throw SystemException(L"无法创建窗口");
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}
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// 显示窗口
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::ShowWindow(hWnd, SW_SHOWNORMAL);
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::UpdateWindow(hWnd);
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window->poll();
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// 开始游戏
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const milliseconds frameInterval(15LL);
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milliseconds wait, interval;
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_ended = false;
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_last = _now = steady_clock::now();
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while (!_ended)
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{
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_now = steady_clock::now();
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interval = duration_cast<milliseconds>(_now - _last);
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if (frameInterval < interval)
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{
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_last = _now;
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input->update(); // 获取用户输入
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timer->update(); // 更新定时器
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actionManager->update(); // 更新动作管理器
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sceneManager->update(); // 更新场景内容
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_config->_update(); // 更新游戏配置
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renderer->render(); // 渲染游戏画面
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window->poll(); // 处理窗口消息
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GC::flush(); // 刷新内存池
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}
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else
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{
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wait = frameInterval - interval;
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if (wait.count() > 1LL)
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{
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std::this_thread::sleep_for(wait - milliseconds(1LL));
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}
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}
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}
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}
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void e2d::Game::pause()
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{
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_paused = true;
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}
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void e2d::Game::resume()
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{
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if (_paused && !_ended)
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{
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_last = _now = steady_clock::now();
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Timer::getInstance()->updateTime();
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ActionManager::getInstance()->updateTime();
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}
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_paused = false;
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}
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bool e2d::Game::isPaused()
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{
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return _paused;
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}
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void e2d::Game::setConfig(Config* config)
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{
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if (config && _config != config)
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{
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GC::release(_config);
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_config = config;
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_config->_unconfigured = true;
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GC::retain(_config);
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}
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}
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e2d::Config* e2d::Game::getConfig()
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{
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if (!_config)
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_config = new (e2d::autorelease) Config();
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return _config;
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}
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double e2d::Game::getTotalTime() const
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{
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return duration_cast<microseconds>(steady_clock::now() - _start).count() / 1000.0 / 1000.0;
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}
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void e2d::Game::quit()
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{
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_ended = true; // 这个变量将控制游戏是否结束
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}
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void e2d::Game::cleanup()
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{
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GC::clear();
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Image::clearCache();
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Player::getInstance()->clearCache();
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}
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