add errorlog on startup fail (#2154)

gframe/game.cpp

@@ -38,8 +38,10 @@ bool Game::Initialize() {
 		params.DriverType = irr::video::EDT_OPENGL;
 	params.WindowSize = irr::core::dimension2d<u32>(1024, 640);
 	device = irr::createDeviceEx(params);
-	if(!device)
+	if(!device) {
+		ErrorLog("Failed to create Irrlicht Engine device!");
 		return false;
+	}
 	linePatternD3D = 0;
 	linePatternGL = 0x0f0f;
 	waitFrame = 0;
@@ -61,13 +63,19 @@ bool Game::Initialize() {
 	driver->setTextureCreationFlag(irr::video::ETCF_CREATE_MIP_MAPS, false);
 	driver->setTextureCreationFlag(irr::video::ETCF_OPTIMIZED_FOR_QUALITY, true);
 	imageManager.SetDevice(device);
-	if(!imageManager.Initial())
+	if(!imageManager.Initial()) {
+		ErrorLog("Failed to load textures!");
 		return false;
+	}
 	LoadExpansionDB();
-	if(!dataManager.LoadDB("cards.cdb"))
+	if(!dataManager.LoadDB("cards.cdb")) {
+		ErrorLog("Failed to load card database (cards.cdb)!");
 		return false;
-	if(!dataManager.LoadStrings("strings.conf"))
+	}
+	if(!dataManager.LoadStrings("strings.conf")) {
+		ErrorLog("Failed to load strings!");
 		return false;
+	}
 	dataManager.LoadStrings("./expansions/strings.conf");
 	env = device->getGUIEnvironment();
 	numFont = irr::gui::CGUITTFont::createTTFont(env, gameConf.numfont, 16);
@@ -75,8 +83,10 @@ bool Game::Initialize() {
 	lpcFont = irr::gui::CGUITTFont::createTTFont(env, gameConf.numfont, 48);
 	guiFont = irr::gui::CGUITTFont::createTTFont(env, gameConf.textfont, gameConf.textfontsize);
 	textFont = guiFont;
-	if(!numFont || !textFont)
+	if(!numFont || !textFont) {
+		ErrorLog("Failed to load font(s)!");
 		return false;
+	}
 	smgr = device->getSceneManager();
 	device->setWindowCaption(L"YGOPro");
 	device->setResizable(false);
@@ -1369,17 +1379,22 @@ void Game::AddDebugMsg(char* msg)
 		AddChatMsg(wbuf, 9);
 	}
 	if (enable_log & 0x2) {
-		FILE* fp = fopen("error.log", "at");
-		if (!fp)
-			return;
-		time_t nowtime = time(NULL);
-		struct tm *localedtime = localtime(&nowtime);
-		char timebuf[40];
-		strftime(timebuf, 40, "%Y-%m-%d %H:%M:%S", localedtime);
-		fprintf(fp, "[%s][Script Error]: %s\n", timebuf, msg);
-		fclose(fp);
+		char msgbuf[1040];
+		sprintf(msgbuf, "[Script Error]: %s", msg);
+		ErrorLog(msgbuf);
 	}
 }
+void Game::ErrorLog(char* msg) {
+	FILE* fp = fopen("error.log", "at");
+	if(!fp)
+		return;
+	time_t nowtime = time(NULL);
+	struct tm *localedtime = localtime(&nowtime);
+	char timebuf[40];
+	strftime(timebuf, 40, "%Y-%m-%d %H:%M:%S", localedtime);
+	fprintf(fp, "[%s]%s\n", timebuf, msg);
+	fclose(fp);
+}
 bool Game::MakeDirectory(const std::string folder) {
     std::string folder_builder;
     std::string sub;

gframe/game.h

@@ -135,6 +135,7 @@ public:
 	void AddChatMsg(wchar_t* msg, int player);
 	void ClearChatMsg();
 	void AddDebugMsg(char* msgbuf);
+	void ErrorLog(char* msgbuf);
 	bool MakeDirectory(const std::string folder);
 	void initUtils();
 	void ClearTextures();