add validation for extra config files

include/config_manager.h

@@ -46,6 +46,7 @@ class ConfigManager {
 
   private:
     QSettings* config;
+    bool fileExists(QFileInfo *file);
 };
 
 #endif // CONFIG_MANAGER_H

src/config_manager.cpp

@@ -31,12 +31,37 @@ bool ConfigManager::initConfig()
         return false;
     }
 
+    // Check that areas, characters, and music lists all exist
+    QFileInfo areas_info("config/areas.ini");
+    QFileInfo characters_info("config/characters.txt");
+    QFileInfo music_info("config/music.txt");
+
+    if (!fileExists(&areas_info)) {
+        qCritical() << "areas.ini doesn't exist!";
+        return false;
+    }
+    else {
+        QSettings areas_ini("config/areas.ini", QSettings::IniFormat);
+        if (areas_ini.childGroups().length() < 1) {
+            qCritical() << "areas.ini is invalid!";
+            return false;
+        }
+    }
+    if (!fileExists(&characters_info)) {
+        qCritical() << "characters.txt doesn't exist!";
+        return false;
+    }
+    if (!fileExists(&music_info)) {
+        qCritical() << "music.txt doesn't exist!";
+        return false;
+    }
+
     config->beginGroup("Info");
     QString config_version = config->value("version", "none").toString();
     config->endGroup();
     if (config_version == "none") {
         QFileInfo check_file("config/config.ini");
-        if (!(check_file.exists() && check_file.isFile())) {
+        if (!fileExists(&check_file)) {
             qCritical() << "config.ini doesn't exist!";
         }
         else {
@@ -133,3 +158,8 @@ bool ConfigManager::loadServerSettings(server_settings* settings)
         return true;
     }
 }
+
+bool ConfigManager::fileExists(QFileInfo* file)
+{
+    return (file->exists() && file->isFile());
+}

src/server.cpp

@@ -65,6 +65,10 @@ void Server::start()
     for (int i = 0; i < area_names.length(); i++) {
         QString area_name = area_names[i];
         areas.insert(i, new AreaData(characters, area_name, i));
+        areas_ini.beginGroup(area_name);
+        // TODO: more area config
+        areas[i]->background = areas_ini.value("background", "gs4").toString();
+        areas_ini.endGroup();
         qDebug() << "Added area" << area_name;
     }
 }