new feature: singleton process

core/Base/Game.cpp

@@ -25,6 +25,9 @@ bool e2d::Game::init(const String & sTitle, UINT32 nWidth, UINT32 nHeight, LPCTS
 		// 初始化 COM 组件
 		CoInitializeEx(NULL, COINIT_MULTITHREADED);
 
+		// ÉèÖÃ AppName
+		s_sAppName = sAppname;
+
 		// 创建设备无关资源
 		if (!Renderer::__createDeviceIndependentResources())
 		{
@@ -62,8 +65,6 @@ bool e2d::Game::init(const String & sTitle, UINT32 nWidth, UINT32 nHeight, LPCTS
 
 		// 重设 Client 大小
 		Window::setSize(nWidth, nHeight);
-		// ÉèÖÃ AppName
-		s_sAppName = sAppname.isEmpty() ? Window::getTitle() : sAppname;
 		// 标志初始化成功
 		s_bInitialized = true;
 

core/Base/Window.cpp

@@ -11,8 +11,14 @@ static bool s_bShowConsole = false;
 
 bool e2d::Window::__init(const String & sTitle, UINT32 nWidth, UINT32 nHeight, LPCTSTR pIconID /*= nullptr*/)
 {
+	if (!Window::__initMutex(sTitle))
+	{
+		return false;
+	}
+
 	// 注册窗口类
-	WNDCLASSEX wcex = { sizeof(WNDCLASSEX) };
+	WNDCLASSEX wcex = { 0 };
+	wcex.cbSize = sizeof(WNDCLASSEX);
 	wcex.style = CS_HREDRAW | CS_VREDRAW;
 	wcex.lpfnWndProc = Window::WndProc;
 	wcex.cbClsExtra = 0;
@@ -100,6 +106,42 @@ bool e2d::Window::__init(const String & sTitle, UINT32 nWidth, UINT32 nHeight, L
 	return SUCCEEDED(hr);
 }
 
+bool e2d::Window::__initMutex(const String & sTitle)
+{
+	// 创建进程互斥体
+	HANDLE m_hMutex = ::CreateMutex(NULL, TRUE, sTitle);
+
+	if (m_hMutex == nullptr)
+	{
+		WARN_IF(true, "CreateMutex Failed!");
+		return true;
+	}
+
+	// 如果程序已经存在并且正在运行
+	if (::GetLastError() == ERROR_ALREADY_EXISTS)
+	{
+		// 获取窗口句柄
+		HWND hProgramWnd = ::FindWindow(L"Easy2DApp", sTitle);
+		if (hProgramWnd)
+		{
+			// 获取窗口显示状态
+			WINDOWPLACEMENT wpm;
+			::GetWindowPlacement(hProgramWnd, &wpm);
+			// 将运行的程序窗口还原成正常状态
+			wpm.showCmd = SW_SHOW;
+			::SetWindowPlacement(hProgramWnd, &wpm);
+			::SetWindowPos(hProgramWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
+		}
+
+		// 关闭进程互斥体
+		CloseHandle(m_hMutex);
+		m_hMutex = nullptr;
+		return false;
+	}
+
+	return true;
+}
+
 void e2d::Window::__uninit()
 {
 	// 关闭控制台

core/Common/Point.cpp

@@ -0,0 +1,39 @@
+#include "..\ecommon.h"
+
+
+e2d::Point::Point()
+{
+	x = 0;
+	y = 0;
+}
+
+e2d::Point::Point(double x, double y)
+{
+	this->x = x;
+	this->y = y;
+}
+
+e2d::Point e2d::Point::operator+(Point const & p)
+{
+	return Point(x + p.x, y + p.y);
+}
+
+e2d::Point e2d::Point::operator-(Point const & p)
+{
+	return Point(x - p.x, y - p.y);
+}
+
+e2d::Point e2d::Point::operator*(double const & value)
+{
+	return Point(x * value, y * value);
+}
+
+e2d::Point e2d::Point::operator/(double const & value)
+{
+	return Point(x / value, y / value);
+}
+
+e2d::Point::operator e2d::Size() const
+{
+	return Size(x, y);
+}

core/Common/Size.cpp

@@ -0,0 +1,38 @@
+#include "..\ecommon.h"
+
+e2d::Size::Size()
+{
+	width = 0;
+	height = 0;
+}
+
+e2d::Size::Size(double width, double height)
+{
+	this->width = width;
+	this->height = height;
+}
+
+e2d::Size e2d::Size::operator+(Size const & size)
+{
+	return Size(width + size.width, height + size.height);
+}
+
+e2d::Size e2d::Size::operator-(Size const & size)
+{
+	return Size(width - size.width, height - size.height);
+}
+
+e2d::Size e2d::Size::operator*(double const & value)
+{
+	return Size(width * value, height * value);
+}
+
+e2d::Size e2d::Size::operator/(double const & value)
+{
+	return Size(width / value, height / value);
+}
+
+e2d::Size::operator e2d::Point() const
+{
+	return Point(width, height);
+}

core/ebase.h

@@ -95,6 +95,11 @@ private:
 		LPCTSTR pIconID
 	);
 
+	// ´´½¨½ø³Ì»¥³âÌå
+	static bool __initMutex(
+		const String & sTitle
+	);
+
 	// 重置窗口属性
 	static void __uninit();
 

core/ecommon.h

@@ -8,82 +8,44 @@ namespace e2d
 {
 
 
+struct Size;
+
 // 表示坐标的结构体
 struct Point
 {
-	double x;
+	Point();
-	double y;
 
-	Point()
+	Point(double x, double y);
-	{
-		x = 0;
-		y = 0;
-	}
 
-	Point(double x, double y)
+	Point operator + (Point const & p);
-	{
+	Point operator - (Point const & p);
-		this->x = x;
+	Point operator * (double const & value);
-		this->y = y;
+	Point operator / (double const & value);
-	}
 
-	Point operator + (Point const & p)
+	operator Size() const;
-	{
-		return Point(x + p.x, y + p.y);
-	}
 
-	Point operator - (Point const & p)
+	/* 成员变量 */
-	{
+	double x;	// X 坐标
-		return Point(x - p.x, y - p.y);
+	double y;	// Y 坐标
-	}
-
-	Point operator * (double const & value)
-	{
-		return Point(x * value, y * value);
-	}
-
-	Point operator / (double const & value)
-	{
-		return Point(x / value, y / value);
-	}
 };
 
 // 表示大小的结构体
 struct Size
 {
-	double width;
+	Size();
-	double height;
 
-	Size()
+	Size(double width, double height);
-	{
-		width = 0;
-		height = 0;
-	}
 
-	Size(double width, double height)
+	Size operator + (Size const & size);
-	{
+	Size operator - (Size const & size);
-		this->width = width;
+	Size operator * (double const & value);
-		this->height = height;
+	Size operator / (double const & value);
-	}
 
-	Size operator + (Size const & size)
+	operator Point() const;
-	{
-		return Size(width + size.width, height + size.height);
-	}
 
-	Size operator - (Size const & size)
+	/* 成员变量 */
-	{
+	double width;	// 宽度
-		return Size(width - size.width, height - size.height);
+	double height;	// 高度
-	}
-
-	Size operator * (double const & value)
-	{
-		return Size(width * value, height * value);
-	}
-
-	Size operator / (double const & value)
-	{
-		return Size(width / value, height / value);
-	}
 };
 
 

project/vs2017/Easy2D.vcxproj

@@ -213,7 +213,9 @@
     <ClCompile Include="..\..\core\Base\Window.cpp" />
     <ClCompile Include="..\..\core\Common\Font.cpp" />
     <ClCompile Include="..\..\core\Common\Object.cpp" />
+    <ClCompile Include="..\..\core\Common\Point.cpp" />
     <ClCompile Include="..\..\core\Common\Scene.cpp" />
+    <ClCompile Include="..\..\core\Common\Size.cpp" />
     <ClCompile Include="..\..\core\Common\String.cpp" />
     <ClCompile Include="..\..\core\Common\Image.cpp" />
     <ClCompile Include="..\..\core\Manager\ActionManager.cpp" />

project/vs2017/Easy2D.vcxproj.filters

@@ -180,6 +180,12 @@
     <ClCompile Include="..\..\core\Shape\Rect.cpp">
       <Filter>Shape</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\core\Common\Point.cpp">
+      <Filter>Common</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\core\Common\Size.cpp">
+      <Filter>Common</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\core\etools.h" />