Tutorials to Dev (#264)

* Fixed garbage code

* added a pop button

* Tutorial images now use ImageAsset.java

* Added button to continue and start game. Refactors

* Refactored nextScreen runnable

* Removed unused imports

* Refactored switch statement

* Added documentation

* Removed space

* Added translations

* Added function input for enabling/disabling localization p/text

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Co-authored-by: ramollia <>

framework/src/main/java/org/toop/framework/resource/resources/ImageAsset.java

@@ -8,7 +8,7 @@ import org.toop.framework.resource.types.LoadableResource;
 
 @FileExtension({"png", "jpg", "jpeg"})
 public class ImageAsset extends BaseResource implements LoadableResource {
-    private Image image;
+    private Image image = null;
 
     public ImageAsset(final File file) {
         super(file);
@@ -40,8 +40,7 @@ public class ImageAsset extends BaseResource implements LoadableResource {
     public Image getImage() {
         if (!this.isLoaded) {
             this.load();
-            return image;
         }
-        return null;
+        return image;
     }
 }