在Config中增加VSync开启选项

core/Base/Game.cpp

@@ -42,20 +42,7 @@ void e2d::Game::destroyInstance()
 
 void e2d::Game::start()
 {
-	auto gc = GC::getInstance();
+	HWND hWnd = Window::getInstance()->getHWnd();
-	auto input = Input::getInstance();
-	auto window = Window::getInstance();
-	auto renderer = Renderer::getInstance();
-	auto timer = Timer::getInstance();
-	auto sceneManager = SceneManager::getInstance();
-	auto actionManager = ActionManager::getInstance();
-
-	if (!input || !window || !renderer || !timer || !sceneManager || !actionManager)
-	{
-		throw SystemException(L"³õʼ»¯Ê§°Ü");
-	}
-
-	HWND hWnd = window->getHWnd();
 	if (hWnd == nullptr)
 	{
 		throw SystemException(L"无法创建窗口");
@@ -64,7 +51,7 @@ void e2d::Game::start()
 	// 显示窗口
 	::ShowWindow(hWnd, SW_SHOWNORMAL);
 	::UpdateWindow(hWnd);
-	window->poll();
+	Window::getInstance()->poll();
 
 	// 开始游戏
 	Duration interval;
@@ -76,31 +63,43 @@ void e2d::Game::start()
 	while (!_quit)
 	{
 		_now = Time::now();
-		interval = _now - _last;
 
-		if (_frameInterval < interval)
+		if (_config.isVSyncEnabled())
 		{
-			_last = _now;
+			__update();
-
-			input->update();
-			timer->update();
-			actionManager->update();
-			sceneManager->update();
-			renderer->render();
-			window->poll();
-			gc->flush();
 		}
 		else
 		{
-			wait = (_frameInterval - interval).milliseconds() - 1;
+			interval = _now - _last;
-			if (wait > 1)
+
+			if (_frameInterval < interval)
 			{
-				std::this_thread::sleep_for(milliseconds(wait));
+				_last = _now;
+				__update();
+			}
+			else
+			{
+				wait = (_frameInterval - interval).milliseconds() - 1;
+				if (wait > 1)
+				{
+					std::this_thread::sleep_for(milliseconds(wait));
+				}
 			}
 		}
 	}
 }
 
+void e2d::Game::__update()
+{
+	Input::getInstance()->update();
+	Timer::getInstance()->update();
+	ActionManager::getInstance()->update();
+	SceneManager::getInstance()->update();
+	Renderer::getInstance()->render();
+	Window::getInstance()->poll();
+	GC::getInstance()->flush();
+}
+
 void e2d::Game::pause()
 {
 	_paused = true;
@@ -124,18 +123,25 @@ bool e2d::Game::isPaused()
 
 void e2d::Game::setConfig(const Config& config)
 {
+	if (_config.isSoundEnabled() != config.isSoundEnabled())
+	{
+		if (config.isSoundEnabled())
+			Player::getInstance()->getXAudio2()->StartEngine();
+		else
+			Player::getInstance()->getXAudio2()->StopEngine();
+	}
+
+	if (_config.getFrameInterval() != config.getFrameInterval())
+	{
+		_frameInterval = Duration(config.getFrameInterval());
+	}
+
+	if (_config.isVSyncEnabled() != config.isVSyncEnabled())
+	{
+		Renderer::getInstance()->discardDeviceResources();
+	}
+
 	_config = config;
-	
-	if (_config.isSoundEnabled())
-	{
-		Player::getInstance()->getXAudio2()->StartEngine();
-	}
-	else
-	{
-		Player::getInstance()->getXAudio2()->StopEngine();
-	}
-
-	_frameInterval = Duration(_config.getFrameInterval());
 }
 
 const e2d::Config& e2d::Game::getConfig()

core/Base/Renderer.cpp

@@ -45,8 +45,6 @@ e2d::Renderer::Renderer()
 	, _clearColor(D2D1::ColorF(D2D1::ColorF::Black))
 {
 	CoInitialize(nullptr);
-
-	this->__createDeviceResources();
 }
 
 e2d::Renderer::~Renderer()
@@ -59,53 +57,7 @@ e2d::Renderer::~Renderer()
 	CoUninitialize();
 }
 
-bool e2d::Renderer::__createDeviceResources()
+void e2d::Renderer::discardDeviceResources()
-{
-	HRESULT hr = S_OK;
-
-	if (!_renderTarget)
-	{
-		HWND hWnd = Window::getInstance()->getHWnd();
-
-		// 创建设备相关资源。这些资源应在 Direct3D 设备消失时重建
-		RECT rc;
-		GetClientRect(hWnd, &rc);
-
-		D2D1_SIZE_U size = D2D1::SizeU(
-			rc.right - rc.left,
-			rc.bottom - rc.top
-		);
-
-		// 创建一个 Direct2D 渲染目标
-		hr = Renderer::getFactory()->CreateHwndRenderTarget(
-			D2D1::RenderTargetProperties(),
-			D2D1::HwndRenderTargetProperties(hWnd, size, D2D1_PRESENT_OPTIONS_IMMEDIATELY),
-			&_renderTarget
-		);
-
-		if (FAILED(hr))
-		{
-			throw SystemException(L"Create ID2D1HwndRenderTarget failed");
-		}
-		else
-		{
-			// 创建画刷
-			hr = _renderTarget->CreateSolidColorBrush(
-				D2D1::ColorF(D2D1::ColorF::White),
-				&_solidBrush
-			);
-		}
-
-		if (FAILED(hr))
-		{
-			throw SystemException(L"Create ID2D1SolidColorBrush failed");
-		}
-	}
-
-	return SUCCEEDED(hr);
-}
-
-void e2d::Renderer::__discardDeviceResources()
 {
 	SafeRelease(_renderTarget);
 	SafeRelease(_solidBrush);
@@ -117,12 +69,12 @@ void e2d::Renderer::render()
 	HRESULT hr = S_OK;
 
 	// 创建设备相关资源
-	Renderer::__createDeviceResources();
+	auto renderTarget = this->getRenderTarget();
 
 	// 开始渲染
-	_renderTarget->BeginDraw();
+	renderTarget->BeginDraw();
 	// 使用背景色清空屏幕
-	_renderTarget->Clear(_clearColor);
+	renderTarget->Clear(_clearColor);
 
 	// 渲染场景
 	SceneManager::getInstance()->render();
@@ -134,14 +86,14 @@ void e2d::Renderer::render()
 	}
 
 	// 终止渲染
-	hr = _renderTarget->EndDraw();
+	hr = renderTarget->EndDraw();
 
 	if (hr == D2DERR_RECREATE_TARGET)
 	{
 		// 如果 Direct3D 设备在执行过程中消失，将丢弃当前的设备相关资源
 		// 并在下一次调用时重建资源
 		hr = S_OK;
-		this->__discardDeviceResources();
+		this->discardDeviceResources();
 	}
 
 	if (FAILED(hr))
@@ -225,11 +177,54 @@ void e2d::Renderer::setBackgroundColor(Color color)
 
 ID2D1HwndRenderTarget * e2d::Renderer::getRenderTarget()
 {
+	if (!_renderTarget)
+	{
+		HWND hWnd = Window::getInstance()->getHWnd();
+
+		// 创建设备相关资源。这些资源应在 Direct3D 设备消失时重建
+		RECT rc;
+		GetClientRect(hWnd, &rc);
+
+		D2D1_SIZE_U size = D2D1::SizeU(
+			rc.right - rc.left,
+			rc.bottom - rc.top
+		);
+
+		bool VSyncEnabled = Game::getInstance()->getConfig().isVSyncEnabled();
+
+		// 创建一个 Direct2D 渲染目标
+		HRESULT hr = Renderer::getFactory()->CreateHwndRenderTarget(
+			D2D1::RenderTargetProperties(),
+			D2D1::HwndRenderTargetProperties(
+				hWnd,
+				size,
+				VSyncEnabled ? D2D1_PRESENT_OPTIONS_NONE : D2D1_PRESENT_OPTIONS_IMMEDIATELY),
+			&_renderTarget
+		);
+
+		if (FAILED(hr))
+		{
+			throw SystemException(L"Create ID2D1HwndRenderTarget failed");
+		}
+	}
 	return _renderTarget;
 }
 
 ID2D1SolidColorBrush * e2d::Renderer::getSolidColorBrush()
 {
+	if (!_solidBrush)
+	{
+		// 创建画刷
+		HRESULT hr = this->getRenderTarget()->CreateSolidColorBrush(
+			D2D1::ColorF(D2D1::ColorF::White),
+			&_solidBrush
+		);
+
+		if (FAILED(hr))
+		{
+			throw SystemException(L"Create ID2D1SolidColorBrush failed");
+		}
+	}
 	return _solidBrush;
 }
 

core/Common/Config.cpp

@@ -7,6 +7,7 @@ e2d::Config::Config()
 	, _soundEnabled(true)
 	, _frameInterval(15)
 	, _showFps(false)
+	, _vSyncEnabled(false)
 	, _outlineVisible(false)
 	, _collisionEnabled(false)
 	, _colliderVisible(false)
@@ -28,6 +29,11 @@ void e2d::Config::showFps(bool show)
 	_showFps = show;
 }
 
+void e2d::Config::setVSyncEnabled(bool enabled)
+{
+	_vSyncEnabled = enabled;
+}
+
 void e2d::Config::setFrameInterval(int interval)
 {
 	_frameInterval = interval;
@@ -76,6 +82,11 @@ bool e2d::Config::isSoundEnabled() const
 	return _soundEnabled;
 }
 
+bool e2d::Config::isVSyncEnabled() const
+{
+	return _vSyncEnabled;
+}
+
 bool e2d::Config::isFpsShow() const
 {
 	return _showFps;

core/e2dbase.h

@@ -56,6 +56,8 @@ private:
 
 	E2D_DISABLE_COPY(Game);
 
+	void __update();
+
 private:
 	bool		_quit;
 	bool		_paused;
@@ -292,6 +294,9 @@ public:
 	// 渲染游戏画面
 	void render();
 
+	// 删除设备相关资源
+	void discardDeviceResources();
+
 	// 获取文字渲染器
 	TextRenderer * getTextRenderer();
 
@@ -326,12 +331,6 @@ private:
 
 	E2D_DISABLE_COPY(Renderer);
 
-	// 创建设备相关资源
-	bool __createDeviceResources();
-
-	// 删除设备相关资源
-	void __discardDeviceResources();
-
 	// 渲染 FPS
 	void _renderFps();
 

core/e2dcommon.h

@@ -1065,6 +1065,12 @@ public:
 		bool show
 	);
 
+	// 打开或关闭垂直同步
+	// 默认：关闭
+	void setVSyncEnabled(
+		bool enabled
+	);
+
 	// 设置帧率刷新间隔
 	// 默认：15
 	void setFrameInterval(
@@ -1113,6 +1119,9 @@ public:
 	// 获取声音打开状态
 	bool isSoundEnabled() const;
 
+	// 获取垂直同步打开状态
+	bool isVSyncEnabled() const;
+
 	// 获取 FPS 显示状态
 	bool isFpsShow() const;
 
@@ -1136,6 +1145,7 @@ public:
 
 protected:
 	bool			_showFps;
+	bool			_vSyncEnabled;
 	bool			_soundEnabled;
 	bool			_outlineVisible;
 	bool			_collisionEnabled;