163 lines
2.7 KiB
C++
163 lines
2.7 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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: _quit(true)
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, _paused(false)
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, _config()
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, _frameInterval(_config.getFrameInterval())
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{
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CoInitialize(nullptr);
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_start = _last = _now = Time::now();
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}
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e2d::Game::~Game()
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{
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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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HWND hWnd = Window::getInstance()->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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SceneManager::getInstance()->update();
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Window::getInstance()->poll();
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// 开始游戏
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int wait = 0;
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Duration interval;
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_quit = false;
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_last = _now = Time::now();
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while (!_quit)
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{
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_now = Time::now();
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interval = _now - _last;
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if (_config.isVSyncEnabled() || _frameInterval < interval)
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{
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_last = _now;
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__update();
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}
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else
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{
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wait = (_frameInterval - interval).milliseconds() - 1;
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if (wait > 1)
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{
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std::this_thread::sleep_for(milliseconds(wait));
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}
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}
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}
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}
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void e2d::Game::__update()
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{
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Input::getInstance()->update();
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Timer::getInstance()->update();
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ActionManager::getInstance()->update();
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SceneManager::getInstance()->update();
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Renderer::getInstance()->render();
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Window::getInstance()->poll();
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GC::getInstance()->flush();
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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 && !_quit)
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{
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_last = _now = Time::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(const Config& config)
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{
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if (_config.isSoundEnabled() != config.isSoundEnabled())
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{
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if (config.isSoundEnabled())
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Player::getInstance()->getXAudio2()->StartEngine();
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else
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Player::getInstance()->getXAudio2()->StopEngine();
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}
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if (_config.getFrameInterval() != config.getFrameInterval())
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{
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_frameInterval = Duration(config.getFrameInterval());
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}
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if (_config.isVSyncEnabled() != config.isVSyncEnabled())
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{
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Renderer::getInstance()->discardDeviceResources();
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_last = _now;
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}
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_config = config;
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}
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const e2d::Config& e2d::Game::getConfig()
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{
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return _config;
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}
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e2d::Duration e2d::Game::getTotalDuration() const
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{
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return std::move(_now - _start);
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}
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void e2d::Game::quit()
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{
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_quit = true;
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}
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void e2d::Game::cleanup()
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{
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GC::getInstance()->clear();
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Image::clearCache();
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Player::getInstance()->clearCache();
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}
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