properly initialize settings when configuration was not found

config/schemas/settings.json

@@ -8,6 +8,7 @@
 	{
 		"general" : {
 			"type" : "object",
+			"default": {},
 			"required" : [ "classicCreatureWindow", "playerName", "showfps", "music", "sound" ],
 			"properties" : {
 				"classicCreatureWindow" : {
@@ -34,6 +35,7 @@
 		},
 		"video" : {
 			"type" : "object",
+			"default": {},
 			"required" : [ "screenRes", "bitsPerPixel", "fullscreen" ],
 			"properties" : {
 				"screenRes" : {
@@ -57,6 +59,7 @@
 		},
 		"adventure" : {
 			"type" : "object",
+			"default": {},
 			"required" : [ "heroSpeed", "enemySpeed", "scrollSpeed", "heroReminder" ],
 			"properties" : {
 				"heroSpeed" : {
@@ -79,6 +82,7 @@
 		},
 		"battle" : {
 			"type" : "object",
+			"default": {},
 			"required" : [ "animationSpeed", "mouseShadow", "cellBorders", "stackRange", "showQueue" ],
 			"properties" : {
 				"animationSpeed" : {
@@ -105,6 +109,7 @@
 		},
 		"server" : {
 			"type" : "object",
+			"default": {},
 			"required" : [ "server", "port", "localInformation", "playerAI", "neutralAI" ],
 			"properties" : {
 				"server" : {

lib/CConfigHandler.cpp

@@ -57,7 +57,12 @@ SettingsStorage::SettingsStorage():
 
 void SettingsStorage::init()
 {
-	CResourceHandler::get()->createResource("config/settings.json");
+	std::string confName = "config/settings.json";
+
+	// Porbably new install. Create initial configuration
+	if (!CResourceHandler::get()->existsResource(ResourceID(confName)))
+		CResourceHandler::get()->createResource(confName);
+	else
 		JsonNode(ResourceID("config/settings.json")).swap(config);
 
 	JsonUtils::maximize(config, "vcmi:settings");

lib/CModHandler.cpp

@@ -229,7 +229,17 @@ std::vector <TModID> CModHandler::resolveDependencies(std::vector <TModID> input
 
 void CModHandler::initialize(std::vector<std::string> availableMods)
 {
-	JsonNode modConfig(ResourceID("config/modSettings.json"));
+	std::string confName = "config/modSettings.json";
+	JsonNode modConfig;
+
+	// Porbably new install. Create initial configuration
+	if (!CResourceHandler::get()->existsResource(ResourceID(confName)))
+		CResourceHandler::get()->createResource(confName);
+	else
+		modConfig = JsonNode(ResourceID(confName));
+
+	CResourceHandler::get()->createResource("config/modSettings.json");
+
 	const JsonNode & modList = modConfig["activeMods"];
 	JsonNode resultingList;
 

lib/JsonNode.cpp

@@ -1080,6 +1080,8 @@ std::string JsonValidator::fail(const std::string &message)
 {
 	std::string errors;
 	errors += "At ";
+	if (!currentPath.empty())
+	{
 		BOOST_FOREACH(const JsonNode &path, currentPath)
 		{
 			errors += "/";
@@ -1088,6 +1090,9 @@ std::string JsonValidator::fail(const std::string &message)
 			else
 				errors += boost::lexical_cast<std::string>(static_cast<unsigned>(path.Float()));
 		}
+	}
+	else
+		errors += "<root>";
 	errors += "\n\t Error: " + message + "\n";
 	return errors;
 }