Add prompt to import default prefabs for each game version

include/config.h

@@ -158,6 +158,7 @@ public:
         this->createMapTextFile = false;
         this->enableTripleLayerMetatiles = false;
         this->prefabFilepath = QString();
+        this->prefabImportPrompted = false;
         this->customScripts.clear();
         this->readKeys.clear();
     }
@@ -195,7 +196,9 @@ public:
     void setCustomScripts(QList<QString> scripts);
     QList<QString> getCustomScripts();
     void setPrefabFilepath(QString filepath);
-    QString getPrefabFilepath();
+    QString getPrefabFilepath(bool setIfEmpty);
+    void setPrefabImportPrompted(bool prompted);
+    bool getPrefabImportPrompted();
 protected:
     virtual QString getConfigFilepath() override;
     virtual void parseConfigKeyValue(QString key, QString value) override;
@@ -221,6 +224,7 @@ private:
     QList<QString> customScripts;
     QStringList readKeys;
     QString prefabFilepath;
+    bool prefabImportPrompted;
 };
 
 extern ProjectConfig projectConfig;

include/ui/prefab.h

@@ -23,6 +23,7 @@ public:
     void initPrefabUI(MetatileSelector *selector, QWidget *prefabWidget, QLabel *emptyPrefabLabel, Map *map);
     void addPrefab(MetatileSelection selection, Map *map, QString name);
     void updatePrefabUi(Map *map);
+    void handlePrefabImport();
 
 private:
     MetatileSelector *selector;