Refactored command-line argument parsing.

Assets/Script/Lib/Dora/en/Content.d.tl

@@ -9,11 +9,11 @@ local record Content
 	-- An array of directories to search for resource files.
 	searchPaths: {string}
 
-	-- The path to the directory containing read-only resources.
-	const assetPath: string
+	-- The path to the directory containing read-only resources. Can only be altered by the user on platform Windows, MacOS and Linux.
+	assetPath: string
 
-	-- The path to the directory where files can be written.
-	const writablePath: string
+	-- The path to the directory where files can be written. Can only be altered by the user on platform Windows, MacOS and Linux.
+	writablePath: string
 
 	-- Loads the content of the file with the specified filename.
 	-- @param filename (string) The name of the file to load.

Assets/Script/Lib/Dora/en/Dora.d.ts

@@ -3473,11 +3473,11 @@ class Content {
 	/** An array of directories to search for resource files. */
 	searchPaths: string[];
 
-	/** The path to the directory containing read-only resources. */
-	readonly assetPath: string;
+	/** The path to the directory containing read-only resources. Can only be altered by the user on platform Windows, MacOS and Linux. */
+	assetPath: string;
 
-	/** The path to the directory where files can be written. */
-	readonly writablePath: string;
+	/** The path to the directory where files can be written. Can only be altered by the user on platform Windows, MacOS and Linux. */
+	writablePath: string;
 
 	/**
 	 * Loads the content of the file with the specified filename.

Assets/Script/Lib/Dora/zh-Hans/Content.d.tl

@@ -8,11 +8,11 @@ local record Content
 	-- 用于搜索资源文件的文件路径列表。
 	searchPaths: {string}
 
-	-- 游戏引擎只读资源所在目录的路径。
-	const assetPath: string
+	-- 游戏引擎只读资源所在目录的路径。只有在平台 Windows、MacOS 和 Linux 上能被设置为新路径。
+	assetPath: string
 
-	-- 游戏引擎可以做写入操作的文件路径。
-	const writablePath: string
+	-- 游戏引擎可以做写入操作的文件路径。只有在平台 Windows、MacOS 和 Linux 上能被设置为新路径。
+	writablePath: string
 
 	-- 以阻塞的方式读取文件内容。
 	-- @param filename (string) 要读取的文件名。

Assets/Script/Lib/Dora/zh-Hans/Dora.d.ts

@@ -3470,11 +3470,11 @@ class Content {
 	/** 用于搜索资源文件的目录数组。 */
 	searchPaths: string[];
 
-	/** 包含只读资源的目录的路径。 */
-	readonly assetPath: string;
+	/** 包含只读资源的目录的路径。只有在平台 Windows、MacOS 和 Linux 上能被设置为新路径。 */
+	assetPath: string;
 
-	/** 可以写入文件的目录的路径。 */
-	readonly writablePath: string;
+	/** 可以写入文件的目录的路径。只有在平台 Windows、MacOS 和 Linux 上能被设置为新路径。 */
+	writablePath: string;
 
 	/**
 	 * 加载具有指定文件名的文件的内容。

Source/Basic/Application.cpp

@@ -282,9 +282,8 @@ bool Application::isAlwaysOnTop() const noexcept {
 }
 
 // This function runs in main (render) thread, and do render work
-int Application::run(int argc, const char* const argv[]) {
+int Application::run() {
 	Application::setSeed(s_cast<uint32_t>(std::time(nullptr)));
-	SharedContent.init(argc, argv);
 
 	if (SDL_Init(SDL_INIT_GAMECONTROLLER) != 0) {
 		Error("SDL failed to initialize! {}", SDL_GetError());
@@ -799,7 +798,7 @@ NS_DORA_END
 // Entry functions needed by SDL2
 #if BX_PLATFORM_OSX || BX_PLATFORM_ANDROID || BX_PLATFORM_IOS || BX_PLATFORM_LINUX
 extern "C" int main(int argc, char* argv[]) {
-	return SharedApplication.run(argc, argv);
+	return SharedApplication.run();
 }
 #endif // BX_PLATFORM_OSX || BX_PLATFORM_ANDROID || BX_PLATFORM_IOS || BX_PLATFORM_LINUX
 

Source/Basic/Application.h

@@ -65,7 +65,7 @@ class Application : public NonCopyable {
 	PROPERTY_BOOL(AlwaysOnTop);
 	SDLEventHandler eventHandler;
 	QuitHandler quitHandler;
-	int run(int argc, const char* const argv[]);
+	int run();
 	void shutdown();
 	void invokeInRender(const std::function<void()>& func);
 	void invokeInLogic(const std::function<void()>& func);

Source/Basic/Content.cpp

@@ -70,23 +70,48 @@ static void trimTrailingSlashes(std::string& str) {
 	}
 }
 
-void Content::init(int argc, const char* const argv[]) {
-	for (int i = 0; i < argc; i++) {
-		if (argv[i] == "--asset"sv && i + 1 < argc) {
-			std::string assetPath = argv[++i];
-			std::error_code err;
-			std::string fullPath = fs::absolute(assetPath, err).lexically_normal().string();
-			if (err) {
-				Error("got invalid asset path \"{}\"", assetPath);
-			}
-			if (fs::exists(fullPath, err)) {
-				_assetPath = fullPath;
-				trimTrailingSlashes(_assetPath);
-			} else {
-				Error("got invalid asset path \"{}\"", assetPath);
-			}
-		}
+void Content::setAssetPath(String assetPath) {
+#if BX_PLATFORM_OSX || BX_PLATFORM_WINDOWS || BX_PLATFORM_LINUX
+	std::error_code err;
+	std::string fullPath = fs::absolute(assetPath.toString(), err).lexically_normal().string();
+	if (err) {
+		Issue("got invalid asset path \"{}\"", assetPath.toString());
+	}
+	if (fs::exists(fullPath, err)) {
+		_assetPath = fullPath;
+		trimTrailingSlashes(_assetPath);
+	} else {
+		Issue("got invalid asset path \"{}\"", assetPath.toString());
 	}
+#else
+	Issue("changing asset path is not supported on platform \"{}\"", SharedApplication.getPlatform().toString());
+#endif
+}
+
+const std::string& Content::getAssetPath() const noexcept {
+	return _assetPath;
+}
+
+void Content::setWritablePath(String writablePath) {
+#if BX_PLATFORM_OSX || BX_PLATFORM_WINDOWS || BX_PLATFORM_LINUX
+	std::error_code err;
+	std::string fullPath = fs::absolute(writablePath.toString(), err).lexically_normal().string();
+	if (err) {
+		Issue("got invalid writable path \"{}\"", writablePath.toString());
+	}
+	if (fs::exists(fullPath, err)) {
+		_writablePath = fullPath;
+		trimTrailingSlashes(_writablePath);
+	} else {
+		Issue("got invalid writable path \"{}\"", writablePath.toString());
+	}
+#else
+	Issue("changing writable path is not supported on platform \"{}\"", SharedApplication.getPlatform().toString());
+#endif
+}
+
+const std::string& Content::getWritablePath() const noexcept {
+	return _writablePath;
 }
 
 Async* Content::getThread() const noexcept {
@@ -228,14 +253,6 @@ bool Content::visitDir(String path, const std::function<bool(String, String)>& f
 	return visit(path);
 }
 
-const std::string& Content::getAssetPath() const noexcept {
-	return _assetPath;
-}
-
-const std::string& Content::getWritablePath() const noexcept {
-	return _writablePath;
-}
-
 static std::tuple<std::string, std::string> splitDirectoryAndFilename(const std::string& filePath) {
 	std::string file = filePath;
 	std::string path;

Source/Basic/Content.h

@@ -16,12 +16,11 @@ class Async;
 
 class Content : public NonCopyable {
 public:
-	PROPERTY_READONLY_CREF(std::string, AssetPath);
-	PROPERTY_READONLY_CREF(std::string, WritablePath);
+	PROPERTY_STRING(AssetPath);
+	PROPERTY_STRING(WritablePath);
 	PROPERTY_CREF(std::vector<std::string>, SearchPaths);
 	PROPERTY_READONLY(Async*, Thread);
 	virtual ~Content();
-	void init(int argc, const char* const argv[]);
 	bool exist(String filename);
 	bool isFolder(String path);
 	bool isAbsolutePath(String strPath);