增加 Path::extractResource 方法，提取资源中的文件到 Temp 目录下

core/Common/Image.cpp

@@ -161,7 +161,7 @@ bool e2d::Image::preload(const String& filePath)
 		return true;
 	}
 
-	String actualFilePath = Path::checkFilePath(filePath);
+	String actualFilePath = Path::searchForFile(filePath);
 	if (actualFilePath.isEmpty())
 	{
 		return false;

core/Tool/Music.cpp

@@ -85,7 +85,7 @@ bool e2d::Music::open(const e2d::String& filePath)
 		return false;
 	}
 
-	String actualFilePath = Path::checkFilePath(filePath);
+	String actualFilePath = Path::searchForFile(filePath);
 	if (actualFilePath.isEmpty())
 	{
 		WARN("MusicInfo::open File not found.");

core/Tool/Path.cpp

@@ -104,7 +104,7 @@ e2d::String e2d::Path::getExecutableFilePath()
 	return String();
 }
 
-e2d::String e2d::Path::checkFilePath(const String& path)
+e2d::String e2d::Path::searchForFile(const String& path)
 {
 	if (Path::exists(path))
 	{
@@ -123,6 +123,26 @@ e2d::String e2d::Path::checkFilePath(const String& path)
 	return String();
 }
 
+e2d::String e2d::Path::extractResource(int resNameId, const String & resType, const String & destFileName)
+{
+	String destFilePath = s_sTempPath + destFileName;
+	// 创建文件
+	HANDLE hFile = ::CreateFile((LPCWSTR)destFilePath, GENERIC_WRITE, NULL, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_TEMPORARY, NULL);
+	if (hFile == INVALID_HANDLE_VALUE)
+		return String();
+
+	// 查找资源文件中、加载资源到内存、得到资源大小
+	HRSRC hRes = ::FindResource(NULL, MAKEINTRESOURCE(resNameId), (LPCWSTR)resType);
+	HGLOBAL hMem = ::LoadResource(NULL, hRes);
+	DWORD dwSize = ::SizeofResource(NULL, hRes);
+
+	// 写入文件
+	DWORD dwWrite = 0;
+	::WriteFile(hFile, hMem, dwSize, &dwWrite, NULL);
+	::CloseHandle(hFile);
+	return destFilePath;
+}
+
 e2d::String e2d::Path::getDataSavePath()
 {
 	return s_sDataSavePath;

core/e2dcommon.h

@@ -236,8 +236,8 @@ public:
 	friend String operator+ (const wchar_t*, const String &);
 
 	// ÀàÐÍת»»²Ù×÷·û
-	E2D_EXPLICIT operator const wchar_t* () const;
+	E2D_OP_EXPLICIT operator const wchar_t* () const;
-	E2D_EXPLICIT operator wchar_t* () const;
+	E2D_OP_EXPLICIT operator wchar_t* () const;
 
 	// ±È½ÏÔËËã·û
 	bool operator== (const String &) const;
@@ -392,7 +392,7 @@ public:
 
 	void operator() (void) const;
 
-	operator bool() const;
+	E2D_OP_EXPLICIT operator bool() const;
 
 protected:
 	std::function<void()> _func;

core/e2dmacros.h

@@ -79,7 +79,7 @@
 #endif
 
 #if _MSC_VER >= 1800
-#	define E2D_EXPLICIT explicit
+#	define E2D_OP_EXPLICIT explicit
 #else
-#	define E2D_EXPLICIT 
+#	define E2D_OP_EXPLICIT 
 #endif

core/e2dtool.h

@@ -447,11 +447,18 @@ public:
 		String path
 	);
 
-	// 检查文件路径
+	// 检索文件路径
-	static String checkFilePath(
+	static String searchForFile(
 		const String& path
 	);
 
+	// 提取资源文件，返回提取后的文件路径
+	static String extractResource(
+		int resNameId,				/* 资源名称 */
+		const String& resType,		/* 资源类型 */
+		const String& destFileName	/* 目标文件名 */
+	);
+
 	// 获取数据的默认保存路径
 	static String getDataSavePath();