734 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			734 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
| #include "..\ebase.h"
 | |
| #include "..\Win\winbase.h"
 | |
| #include "..\emsg.h"
 | |
| #include "..\etools.h"
 | |
| #include "..\enodes.h"
 | |
| #include <stack>
 | |
| #include <thread>
 | |
| #include <imm.h>  
 | |
| #pragma comment (lib ,"imm32.lib")
 | |
| 
 | |
| using namespace std::this_thread;
 | |
| using namespace std::chrono;
 | |
| 
 | |
| 
 | |
| // 唯一实例指针
 | |
| static e2d::EApp * s_pInstance = nullptr;
 | |
| // 场景栈
 | |
| static std::stack<e2d::EScene*> s_SceneStack;
 | |
| // 游戏开始时间
 | |
| static steady_clock::time_point s_tStart;
 | |
| 
 | |
| e2d::EApp::EApp()
 | |
| 	: m_bRunning(false)
 | |
| 	, nAnimationInterval(17LL)
 | |
| 	, m_ClearColor(EColor::BLACK)
 | |
| 	, m_pCurrentScene(nullptr)
 | |
| 	, m_pNextScene(nullptr)
 | |
| {
 | |
| 	ASSERT(s_pInstance == nullptr, "EApp instance already exists!");
 | |
| 	s_pInstance = this;		// 保存实例对象
 | |
| 
 | |
| 	CoInitialize(NULL);
 | |
| }
 | |
| 
 | |
| e2d::EApp::~EApp()
 | |
| {
 | |
| 	// 释放资源
 | |
| 	SafeReleaseInterface(&GetRenderTarget());
 | |
| 	SafeReleaseInterface(&GetFactory());
 | |
| 	SafeReleaseInterface(&GetImagingFactory());
 | |
| 	SafeReleaseInterface(&GetDirectWriteFactory());
 | |
| 	SafeReleaseInterface(&GetSolidColorBrush());
 | |
| 	
 | |
| 	CoUninitialize();
 | |
| }
 | |
| 
 | |
| e2d::EApp * e2d::EApp::get()
 | |
| {
 | |
| 	ASSERT(s_pInstance != nullptr, "Nonexistent EApp instance.");
 | |
| 	return s_pInstance;		// 获取 EApp 的唯一实例
 | |
| }
 | |
| 
 | |
| bool e2d::EApp::init(const EString &title, UINT32 width, UINT32 height, bool showConsole /* = false */)
 | |
| {
 | |
| 	return init(title, width, height, WS_OVERLAPPEDWINDOW, showConsole);
 | |
| }
 | |
| 
 | |
| bool e2d::EApp::init(const EString &title, UINT32 width, UINT32 height, int windowStyle, bool showConsole /* = false */)
 | |
| {
 | |
| 	HRESULT hr;
 | |
| 
 | |
| 	// 显示或关闭控制台
 | |
| 	EApp::showConsole(showConsole);
 | |
| 
 | |
| 	// 创建设备无关资源
 | |
| 	hr = _createDeviceIndependentResources();
 | |
| 
 | |
| 	if (SUCCEEDED(hr))
 | |
| 	{
 | |
| 		// 注册窗口类
 | |
| 		WNDCLASSEX wcex = { sizeof(WNDCLASSEX) };
 | |
| 		wcex.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
 | |
| 		wcex.lpfnWndProc = EApp::WndProc;
 | |
| 		wcex.cbClsExtra = 0;
 | |
| 		wcex.cbWndExtra = sizeof(LONG_PTR);
 | |
| 		wcex.hInstance = HINST_THISCOMPONENT;
 | |
| 		wcex.hbrBackground = (HBRUSH)(GetStockObject(BLACK_BRUSH));
 | |
| 		wcex.lpszMenuName = NULL;
 | |
| 		wcex.hCursor = LoadCursor(NULL, IDI_APPLICATION);
 | |
| 		wcex.lpszClassName = L"Easy2DApp";
 | |
| 
 | |
| 		RegisterClassEx(&wcex);
 | |
| 
 | |
| 
 | |
| 		// Because the CreateWindow function takes its size in pixels,
 | |
| 		// obtain the system DPI and use it to scale the window size.
 | |
| 		FLOAT dpiX, dpiY;
 | |
| 
 | |
| 		// The factory returns the current system DPI. This is also the value it will use
 | |
| 		// to create its own windows.
 | |
| 		GetFactory()->GetDesktopDpi(&dpiX, &dpiY);
 | |
| 
 | |
| 		width = static_cast<UINT>(ceil(width * dpiX / 96.f));
 | |
| 		height = static_cast<UINT>(ceil(height * dpiY / 96.f));
 | |
| 
 | |
| 		// 获取屏幕分辨率
 | |
| 		UINT screenWidth = static_cast<UINT>(GetSystemMetrics(SM_CXSCREEN));
 | |
| 		UINT screenHeight = static_cast<UINT>(GetSystemMetrics(SM_CYSCREEN));
 | |
| 		// 当输入的窗口大小比分辨率大时,给出警告
 | |
| 		WARN_IF(screenWidth < width || screenHeight < height, "The window is larger than screen!");
 | |
| 		width = min(width, screenWidth);
 | |
| 		height = min(height, screenHeight);
 | |
| 		// 创建屏幕居中的矩形
 | |
| 		RECT rtWindow;
 | |
| 		rtWindow.left = (screenWidth - width) / 2;
 | |
| 		rtWindow.top = (screenHeight - height) / 2;
 | |
| 		rtWindow.right = rtWindow.left + width;
 | |
| 		rtWindow.bottom = rtWindow.top + height;
 | |
| 		// 计算客户区大小
 | |
| 		AdjustWindowRectEx(&rtWindow, windowStyle, FALSE, 0L);
 | |
| 		// 保存窗口名称
 | |
| 		m_sTitle = title;
 | |
| 		// 创建窗口
 | |
| 		GetHWnd() = CreateWindow(
 | |
| 			L"Easy2DApp",
 | |
| 			m_sTitle.c_str(),
 | |
| 			windowStyle,
 | |
| 			rtWindow.left,
 | |
| 			rtWindow.top,
 | |
| 			rtWindow.right - rtWindow.left,
 | |
| 			rtWindow.bottom - rtWindow.top,
 | |
| 			NULL,
 | |
| 			NULL,
 | |
| 			HINST_THISCOMPONENT,
 | |
| 			this
 | |
| 		);
 | |
| 
 | |
| 		hr = GetHWnd() ? S_OK : E_FAIL;
 | |
| 
 | |
| 		if (SUCCEEDED(hr))
 | |
| 		{
 | |
| 			// 禁用输入法
 | |
| 			this->setKeyboardLayoutEnable(false);
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			UnregisterClass(L"E2DApp", HINST_THISCOMPONENT);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (FAILED(hr))
 | |
| 	{
 | |
| 		MessageBox(nullptr, L"Initialize Failed!", L"Error", MB_OK);
 | |
| 	}
 | |
| 
 | |
| 	return SUCCEEDED(hr);
 | |
| }
 | |
| 
 | |
| void e2d::EApp::showConsole(bool show)
 | |
| {
 | |
| 	// 查找已存在的控制台句柄
 | |
| 	HWND hwnd = GetConsoleWindow();
 | |
| 	static FILE * stdoutstream = nullptr;
 | |
| 	static FILE * stdinstream = nullptr;
 | |
| 	static FILE * stderrstream = nullptr;
 | |
| 	// 关闭控制台
 | |
| 	if (show)
 | |
| 	{
 | |
| 		if (hwnd)
 | |
| 		{
 | |
| 			ShowWindow(hwnd, SW_SHOWNORMAL);
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			// 显示一个新控制台
 | |
| 			if (AllocConsole())
 | |
| 			{
 | |
| 				freopen_s(&stdoutstream, "CONOUT$", "w+t", stdout);
 | |
| 				freopen_s(&stderrstream, "CONOUT$", "w+t", stderr);
 | |
| 				freopen_s(&stdinstream, "CONIN$", "r+t", stdin);
 | |
| 			}
 | |
| 			else
 | |
| 			{
 | |
| 				MessageBox(nullptr, L"Alloc Console Failed!", L"Error", MB_OK);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		if (hwnd)
 | |
| 		{
 | |
| 			if (stdoutstream)
 | |
| 			{
 | |
| 				fclose(stdoutstream);
 | |
| 				fclose(stdinstream);
 | |
| 				fclose(stderrstream);
 | |
| 
 | |
| 				stdoutstream = stdinstream = stderrstream = nullptr;
 | |
| 			}
 | |
| 			FreeConsole();
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // 运行游戏
 | |
| void e2d::EApp::run()
 | |
| {
 | |
| 	ASSERT(GetHWnd() != nullptr, "Cannot find Game Window.");
 | |
| 	// 进入第一个场景
 | |
| 	_enterNextScene();
 | |
| 	ASSERT(m_pCurrentScene != nullptr, "Current scene NULL pointer exception.");
 | |
| 	// 显示窗口
 | |
| 	ShowWindow(GetHWnd(), SW_SHOWNORMAL);
 | |
| 	UpdateWindow(GetHWnd());
 | |
| 	// 运行游戏
 | |
| 	m_bRunning = true;
 | |
| 	// 记录开始时间
 | |
| 	s_tStart = steady_clock::now();
 | |
| 
 | |
| 	MSG msg;
 | |
| 
 | |
| 	while (m_bRunning)
 | |
| 	{
 | |
| 		// 处理窗口消息
 | |
| 		while (PeekMessage(&msg, GetHWnd(), 0, 0, PM_REMOVE))
 | |
| 		{
 | |
| 			TranslateMessage(&msg);
 | |
| 			DispatchMessage(&msg);
 | |
| 		}
 | |
| 		// 执行主循环
 | |
| 		_mainLoop();
 | |
| 	}
 | |
| 
 | |
| 	// 关闭控制台
 | |
| 	EApp::showConsole(false);
 | |
| 	// 释放所有内存资源
 | |
| 	this->free();
 | |
| }
 | |
| 
 | |
| void e2d::EApp::setFPS(UINT32 fps)
 | |
| {
 | |
| 	fps = min(max(fps, 30), 120);
 | |
| 	nAnimationInterval = 1000 / fps;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::onActivate()
 | |
| {
 | |
| }
 | |
| 
 | |
| bool e2d::EApp::onInactive()
 | |
| {
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| bool e2d::EApp::onCloseWindow()
 | |
| {
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::_mainLoop()
 | |
| {
 | |
| 	// 时间间隔
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| 	static LONGLONG nInterval = 0LL;
 | |
| 	// 挂起时长
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| 	static LONGLONG nWaitMS = 0L;
 | |
| 	// 刷新计时
 | |
| 	static steady_clock::time_point tLast = steady_clock::now();
 | |
| 
 | |
| 	GetNow() = steady_clock::now();
 | |
| 	// 计算时间间隔
 | |
| 	nInterval = GetInterval(tLast);
 | |
| 	// 判断间隔时间是否足够
 | |
| 	if (nInterval >= nAnimationInterval)
 | |
| 	{
 | |
| 		// 记录当前时间
 | |
| 		tLast = GetNow();
 | |
| 
 | |
| 		if (!m_bPaused)
 | |
| 		{
 | |
| 			// 游戏控制流程
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| 			_onControl();
 | |
| 			// 刷新游戏画面
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| 			if (!_onRender())
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| 			{
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| 				MessageBox(GetHWnd(), L"Game Render Failed!", L"Error", MB_OK);
 | |
| 				this->quit();
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		// 计算挂起时长
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| 		nWaitMS = nAnimationInterval - nInterval - 1;
 | |
| 		// 挂起线程,释放 CPU 占用
 | |
| 		if (nWaitMS > 1LL)
 | |
| 		{
 | |
| 			sleep_for(milliseconds(nWaitMS));
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void e2d::EApp::_onControl()
 | |
| {
 | |
| 	// 下一场景指针不为空时,切换场景
 | |
| 	if (m_pNextScene)
 | |
| 	{
 | |
| 		// 进入下一场景
 | |
| 		_enterNextScene();
 | |
| 	}
 | |
| 	// 断言当前场景非空
 | |
| 	ASSERT(m_pCurrentScene != nullptr, "Current scene NULL pointer exception.");
 | |
| 
 | |
| 	ETimerManager::TimerProc();		// 定时器管理器执行程序
 | |
| 	EActionManager::ActionProc();	// 动作管理器执行程序
 | |
| 	EObjectManager::__flush();		// 刷新内存池
 | |
| }
 | |
| 
 | |
| // This method discards device-specific
 | |
| // resources if the Direct3D device dissapears during execution and
 | |
| // recreates the resources the next time it's invoked.
 | |
| bool e2d::EApp::_onRender()
 | |
| {
 | |
| 	HRESULT hr = S_OK;
 | |
| 
 | |
| 	hr = _createDeviceResources();
 | |
| 
 | |
| 	if (SUCCEEDED(hr))
 | |
| 	{
 | |
| 		GetRenderTarget()->BeginDraw();
 | |
| 		// 使用背景色清空屏幕
 | |
| 		GetRenderTarget()->Clear(D2D1::ColorF(m_ClearColor.value));
 | |
| 		// 绘制当前场景
 | |
| 		m_pCurrentScene->_onRender();
 | |
| 		
 | |
| 		hr = GetRenderTarget()->EndDraw();
 | |
| 		// 刷新界面
 | |
| 		UpdateWindow(GetHWnd());
 | |
| 	}
 | |
| 
 | |
| 	if (hr == D2DERR_RECREATE_TARGET)
 | |
| 	{
 | |
| 		hr = S_OK;
 | |
| 		_discardDeviceResources();
 | |
| 	}
 | |
| 
 | |
| 	return SUCCEEDED(hr);
 | |
| }
 | |
| 
 | |
| void e2d::EApp::setWindowSize(UINT32 width, UINT32 height)
 | |
| {
 | |
| 	// 获取屏幕分辨率
 | |
| 	int screenWidth = GetSystemMetrics(SM_CXSCREEN);
 | |
| 	int screenHeight = GetSystemMetrics(SM_CYSCREEN);
 | |
| 	// 获取窗口大小(包含菜单栏)
 | |
| 	tagRECT rcWindow;
 | |
| 	GetWindowRect(GetHWnd(), &rcWindow);
 | |
| 	// 获取客户区大小
 | |
| 	tagRECT rcClient;
 | |
| 	GetClientRect(GetHWnd(), &rcClient);
 | |
| 	// 计算边框大小
 | |
| 	width += (rcWindow.right - rcWindow.left) - (rcClient.right - rcClient.left);
 | |
| 	height += (rcWindow.bottom - rcWindow.top) - (rcClient.bottom - rcClient.top);
 | |
| 	// 修改窗口大小,并设置窗口在屏幕居中
 | |
| 	MoveWindow(GetHWnd(), (screenWidth - width) / 2, (screenHeight - height) / 2, width, height, TRUE);
 | |
| }
 | |
| 
 | |
| void e2d::EApp::setWindowTitle(const EString &title)
 | |
| {
 | |
| 	// 设置窗口标题
 | |
| 	SetWindowText(GetHWnd(), title.c_str());
 | |
| 	// 保存当前标题,用于修改窗口大小时恢复标题
 | |
| 	get()->m_sTitle = title;
 | |
| }
 | |
| 
 | |
| e2d::EString e2d::EApp::getTitle()
 | |
| {
 | |
| 	return get()->m_sTitle;
 | |
| }
 | |
| 
 | |
| UINT32 e2d::EApp::getWidth()
 | |
| {
 | |
| 	return GetRenderTarget()->GetPixelSize().width;
 | |
| }
 | |
| 
 | |
| UINT32 e2d::EApp::getHeight()
 | |
| {
 | |
| 	return GetRenderTarget()->GetPixelSize().height;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::enterScene(EScene * scene, bool save /* = true */)
 | |
| {
 | |
| 	// 保存下一场景的指针
 | |
| 	get()->m_pNextScene = scene;
 | |
| 	// 切换场景时,是否保存当前场景
 | |
| 	if (get()->m_pCurrentScene)
 | |
| 	{
 | |
| 		get()->m_pCurrentScene->m_bWillSave = save;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void e2d::EApp::backScene()
 | |
| {
 | |
| 	ASSERT(s_SceneStack.size(), "Scene stack now is empty!");
 | |
| 	// 从栈顶取出场景指针,作为下一场景
 | |
| 	get()->m_pNextScene = s_SceneStack.top();
 | |
| 	s_SceneStack.pop();
 | |
| 	// 不保存当前场景
 | |
| 	if (get()->m_pCurrentScene)
 | |
| 	{
 | |
| 		get()->m_pCurrentScene->m_bWillSave = false;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| void e2d::EApp::clearScene()
 | |
| {
 | |
| 	// 清空场景栈
 | |
| 	while (s_SceneStack.size())
 | |
| 	{
 | |
| 		auto temp = s_SceneStack.top();
 | |
| 		SafeDelete(&temp);
 | |
| 		s_SceneStack.pop();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| e2d::EScene * e2d::EApp::getCurrentScene()
 | |
| {
 | |
| 	return get()->m_pCurrentScene;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::setAppName(const EString &appname)
 | |
| {
 | |
| 	s_pInstance->m_sAppName = appname;
 | |
| }
 | |
| 
 | |
| e2d::EString e2d::EApp::getAppName()
 | |
| {
 | |
| 	if (s_pInstance->m_sAppName.empty())
 | |
| 		s_pInstance->m_sAppName = s_pInstance->m_sTitle;
 | |
| 	return s_pInstance->m_sAppName;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::setBkColor(EColor color)
 | |
| {
 | |
| 	get()->m_ClearColor = color;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::setKeyboardLayoutEnable(bool value)
 | |
| {
 | |
| 	static HIMC hImc = NULL;
 | |
| 
 | |
| 	if (value)
 | |
| 	{
 | |
| 		if (hImc != NULL)
 | |
| 		{
 | |
| 			ImmAssociateContext(GetHWnd(), hImc);
 | |
| 			hImc = NULL;
 | |
| 		}
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		if (hImc == NULL)
 | |
| 		{
 | |
| 			hImc = ImmAssociateContext(GetHWnd(), NULL);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| HWND e2d::EApp::getHWnd()
 | |
| {
 | |
| 	return GetHWnd();
 | |
| }
 | |
| 
 | |
| LONGLONG e2d::EApp::getTotalDurationFromStart()
 | |
| {
 | |
| 	return GetInterval(s_tStart);
 | |
| }
 | |
| 
 | |
| void e2d::EApp::hideWindow()
 | |
| {
 | |
| 	ShowWindow(GetHWnd(), SW_HIDE);
 | |
| }
 | |
| 
 | |
| void e2d::EApp::showWindow()
 | |
| {
 | |
| 	ShowWindow(GetHWnd(), SW_SHOWNORMAL);
 | |
| }
 | |
| 
 | |
| void e2d::EApp::free()
 | |
| {
 | |
| 	// 释放场景内存
 | |
| 	SafeDelete(&m_pCurrentScene);
 | |
| 	SafeDelete(&m_pNextScene);
 | |
| 	// 清空场景栈
 | |
| 	while (s_SceneStack.size())
 | |
| 	{
 | |
| 		auto temp = s_SceneStack.top();
 | |
| 		SafeDelete(&temp);
 | |
| 		s_SceneStack.pop();
 | |
| 	}
 | |
| 	// 删除图片缓存
 | |
| 	ETexture::clearCache();
 | |
| 	// 删除所有对象
 | |
| 	EObjectManager::clearAllObjects();
 | |
| }
 | |
| 
 | |
| void e2d::EApp::quit()
 | |
| {
 | |
| 	get()->m_bRunning = false;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::end()
 | |
| {
 | |
| 	get()->m_bRunning = false;
 | |
| }
 | |
| 
 | |
| void e2d::EApp::_enterNextScene()
 | |
| {
 | |
| 	// 执行当前场景的 onCloseWindow 函数
 | |
| 	if (m_pCurrentScene)
 | |
| 	{
 | |
| 		m_pCurrentScene->onExit();
 | |
| 		m_pCurrentScene->_onExit();
 | |
| 
 | |
| 		if (m_pCurrentScene->m_bWillSave)
 | |
| 		{
 | |
| 			// 若要保存当前场景,把它放入栈中
 | |
| 			s_SceneStack.push(m_pCurrentScene);
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			SafeDelete(&m_pCurrentScene);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	// 执行下一场景的 onEnter 函数
 | |
| 	m_pNextScene->_onEnter();
 | |
| 	m_pNextScene->onEnter();
 | |
| 
 | |
| 	m_pCurrentScene = m_pNextScene;		// 切换场景
 | |
| 	m_pNextScene = nullptr;				// 下一场景置空
 | |
| }
 | |
| 
 | |
| // Creates resources that are not bound to a particular device.
 | |
| // Their lifetime effectively extends for the duration of the
 | |
| // application.
 | |
| HRESULT e2d::EApp::_createDeviceIndependentResources()
 | |
| {
 | |
| 	HRESULT hr = S_OK;
 | |
| 
 | |
| 	// Create a Direct2D factory.
 | |
| 	hr = D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &GetFactory());
 | |
| 
 | |
| 	if (FAILED(hr))
 | |
| 	{
 | |
| 		MessageBox(nullptr, L"Create Device Independent Resources Failed!", L"Error", MB_OK);
 | |
| 	}
 | |
| 
 | |
| 	return hr;
 | |
| }
 | |
| 
 | |
| // Creates resources that are bound to a particular
 | |
| // Direct3D device. These resources need to be recreated
 | |
| // if the Direct3D device dissapears, such as when the isVisiable
 | |
| // changes, the window is remoted, etc.
 | |
| HRESULT e2d::EApp::_createDeviceResources()
 | |
| {
 | |
| 	// 这个函数将自动创建设备相关资源
 | |
| 	GetRenderTarget();
 | |
| 
 | |
| 	return S_OK;
 | |
| }
 | |
| 
 | |
| // Discards device-dependent resources. These resources must be
 | |
| // recreated when the Direct3D device is lost.
 | |
| void e2d::EApp::_discardDeviceResources()
 | |
| {
 | |
| 	SafeReleaseInterface(&GetRenderTarget());
 | |
| }
 | |
| 
 | |
| //  If the application receives a WM_SIZE message, this method
 | |
| //  re2d::ESizes the render target appropriately.
 | |
| void e2d::EApp::_onResize(UINT32 width, UINT32 height)
 | |
| {
 | |
| 	if (GetRenderTarget())
 | |
| 	{
 | |
| 		// Note: This method can fail, but it's okay to ignore the
 | |
| 		// error here, because the error will be returned again
 | |
| 		// the next time EndDraw is called.
 | |
| 		GetRenderTarget()->Resize(D2D1::SizeU(width, height));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // Handles window messages.
 | |
| LRESULT e2d::EApp::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 | |
| {
 | |
| 	LRESULT result = 0;
 | |
| 
 | |
| 	if (message == WM_CREATE)
 | |
| 	{
 | |
| 		// 获取发送 WM_CREATE 消息的 EApp 实例对象指针
 | |
| 		LPCREATESTRUCT pcs = (LPCREATESTRUCT)lParam;
 | |
| 		e2d::EApp *pEApp = (e2d::EApp *)pcs->lpCreateParams;
 | |
| 		// 保存 EApp 指针到 GWLP_USERDATA 字段
 | |
| 		::SetWindowLongPtrW(
 | |
| 			hWnd,
 | |
| 			GWLP_USERDATA,
 | |
| 			PtrToUlong(pEApp)
 | |
| 		);
 | |
| 
 | |
| 		result = 1;
 | |
| 	}
 | |
| 	else
 | |
| 	{
 | |
| 		// 从 GWLP_USERDATA 字段取出 EApp 指针
 | |
| 		e2d::EApp *pEApp = reinterpret_cast<e2d::EApp *>(static_cast<LONG_PTR>(
 | |
| 			::GetWindowLongPtrW(
 | |
| 				hWnd,
 | |
| 				GWLP_USERDATA
 | |
| 			)));
 | |
| 
 | |
| 		bool wasHandled = false;
 | |
| 
 | |
| 		if (pEApp)
 | |
| 		{
 | |
| 			switch (message)
 | |
| 			{
 | |
| 			// 处理鼠标消息
 | |
| 			case WM_LBUTTONUP:
 | |
| 			case WM_LBUTTONDOWN:
 | |
| 			case WM_LBUTTONDBLCLK:
 | |
| 			case WM_MBUTTONUP:
 | |
| 			case WM_MBUTTONDOWN:
 | |
| 			case WM_MBUTTONDBLCLK:
 | |
| 			case WM_RBUTTONUP:
 | |
| 			case WM_RBUTTONDOWN:
 | |
| 			case WM_RBUTTONDBLCLK:
 | |
| 			case WM_MOUSEMOVE:
 | |
| 			case WM_MOUSEWHEEL:
 | |
| 			{
 | |
| 				EMsgManager::MouseProc(message, wParam, lParam);
 | |
| 			}
 | |
| 			result = 0;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 
 | |
| 			// 处理按键消息
 | |
| 			case WM_KEYDOWN:
 | |
| 			case WM_KEYUP:
 | |
| 			{
 | |
| 				EMsgManager::KeyboardProc(message, wParam, lParam);
 | |
| 			}
 | |
| 			result = 0;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 
 | |
| 			// 处理窗口大小变化消息
 | |
| 			case WM_SIZE:
 | |
| 			{
 | |
| 				UINT width = LOWORD(lParam);
 | |
| 				UINT height = HIWORD(lParam);
 | |
| 				pEApp->_onResize(width, height);
 | |
| 			}
 | |
| 			result = 0;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 
 | |
| 			// 处理分辨率变化消息
 | |
| 			case WM_DISPLAYCHANGE:
 | |
| 			{
 | |
| 				// 重绘客户区
 | |
| 				InvalidateRect(hWnd, NULL, FALSE);
 | |
| 			}
 | |
| 			result = 0;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 
 | |
| 			// 重绘窗口
 | |
| 			case WM_PAINT:
 | |
| 			{
 | |
| 				pEApp->_onRender();
 | |
| 				ValidateRect(hWnd, NULL);
 | |
| 			}
 | |
| 			result = 0;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 
 | |
| 			// 窗口激活消息
 | |
| 			case WM_ACTIVATE:
 | |
| 			{
 | |
| 				if (LOWORD(wParam) == WA_INACTIVE)
 | |
| 				{
 | |
| 					if (pEApp->getCurrentScene()->onInactive() &&
 | |
| 						pEApp->onInactive())
 | |
| 					{
 | |
| 						pEApp->m_bPaused = true;
 | |
| 					}
 | |
| 				}
 | |
| 				else
 | |
| 				{
 | |
| 					pEApp->onActivate();
 | |
| 					pEApp->getCurrentScene()->onActivate();
 | |
| 					pEApp->m_bPaused = false;
 | |
| 				}
 | |
| 			}
 | |
| 			result = 1;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 
 | |
| 			// 窗口关闭消息
 | |
| 			case WM_CLOSE:
 | |
| 			{
 | |
| 				if (pEApp->getCurrentScene()->onCloseWindow() && 
 | |
| 					pEApp->onCloseWindow())
 | |
| 				{
 | |
| 					DestroyWindow(hWnd);
 | |
| 				}
 | |
| 			}
 | |
| 			result = 1;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 
 | |
| 			// 窗口被销毁
 | |
| 			case WM_DESTROY:
 | |
| 			{
 | |
| 				// 退出程序
 | |
| 				pEApp->quit();
 | |
| 				// 发送退出消息
 | |
| 				PostQuitMessage(0);
 | |
| 			}
 | |
| 			result = 1;
 | |
| 			wasHandled = true;
 | |
| 			break;
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		if (!wasHandled)
 | |
| 		{
 | |
| 			result = DefWindowProc(hWnd, message, wParam, lParam);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	return result;
 | |
| }
 |