Fix load configs

Core/Core/CoreInstance.cpp

@@ -34,11 +34,18 @@ CoreInstance::CoreInstance()
 	memorySize_ = System::getMemorySize();
 
 	 std::ifstream main_config_file(main_config_name);
+	std::string payload;
+	
 	 if (main_config_file.fail())
 	 	throw std::runtime_error("Fail open main config file");
 
-	std::string payload;
-	std::getline(main_config_file, payload);
+	main_config_file.seekg(0, std::ios::end);
+	size_t size_config = main_config_file.tellg();
+	main_config_file.seekg(0, std::ios::beg);
+	payload.resize(size_config);
+	
+	main_config_file.read(payload.data(), payload.size());
+	main_config_file.close();
 	SaveMap load_main_config(payload);
 
 	main_config_.load(std::make_shared<SaveMap>(load_main_config));

Core/Game/SaveMap/SaveMap.cpp

@@ -37,6 +37,8 @@ SaveMap::SaveMap(const std::string& json_data)
     {
         size_t key_begin = i = json_data_blank.find_first_of('\"', i) + 1;
         size_t key_end = i = json_data_blank.find_first_of('\"', i);
+        if (0 == key_begin)
+            return;
 
         std::string name = json_data_blank.substr(key_begin, key_end - key_begin);
 

Core/Game/WorldFactory.hpp

@@ -25,8 +25,12 @@ struct WorldFactory
     std::ifstream config_file("./Worlds/" #WorldName ".world");\
     if (config_file.fail())\
         throw std::runtime_error("Can't open world file");\
+    config_file.seekg(0, std::ios::end);\
+    size_t file_size = config_file.tellg();\
+    config_file.seekg(0, std::ios::beg);\
     std::string data;\
-    std::getline(config_file, data);\
+    data.resize(file_size);\
+    config_file.read(data.data(), file_size);\
     world->load(std::make_shared<SaveMap>(data));\
     return world;\
 }},