it is done

core/src/mindustry/ui/fragments/LoadingFragment.java

@@ -0,0 +1,77 @@
+package mindustry.ui.fragments;
+
+import arc.func.*;
+import arc.graphics.*;
+import arc.scene.Group;
+import arc.scene.actions.*;
+import arc.scene.event.Touchable;
+import arc.scene.ui.Label;
+import arc.scene.ui.TextButton;
+import arc.scene.ui.layout.Table;
+import mindustry.graphics.Pal;
+import mindustry.ui.*;
+
+public class LoadingFragment extends Fragment{
+    private Table table;
+    private TextButton button;
+    private Bar bar;
+
+    @Override
+    public void build(Group parent){
+        parent.fill(Styles.black8, t -> {
+            t.visible(false);
+            t.touchable(Touchable.enabled);
+            t.add().height(133f).row();
+            t.addImage().growX().height(3f).pad(4f).growX().get().setColor(Pal.accent);
+            t.row();
+            t.add("$loading").name("namelabel").pad(10f);
+            t.row();
+            t.addImage().growX().height(3f).pad(4f).growX().get().setColor(Pal.accent);
+            t.row();
+
+            bar = t.add(new Bar()).pad(3).size(500f, 40f).visible(false).get();
+            t.row();
+            button = t.addButton("$cancel", () -> {}).pad(20).size(250f, 70f).visible(false).get();
+            table = t;
+        });
+    }
+
+    public void setProgress(Floatp progress){
+        bar.reset(0f);
+        bar.visible(true);
+        bar.set(() -> ((int)(progress.get() * 100) + "%"), progress, Pal.accent);
+    }
+
+    public void setButton(Runnable listener){
+        button.visible(true);
+        button.getListeners().remove(button.getListeners().size - 1);
+        button.clicked(listener);
+    }
+
+    public void setText(String text){
+        table.<Label>find("namelabel").setText(text);
+        table.<Label>find("namelabel").setColor(Pal.accent);
+    }
+
+    public void show(){
+        show("$loading");
+    }
+
+    public void show(String text){
+        table.<Label>find("namelabel").setColor(Color.white);
+        bar.visible(false);
+        table.clearActions();
+        table.touchable(Touchable.enabled);
+        table.<Label>find("namelabel").setText(text);
+        table.visible(true);
+        table.getColor().a = 1f;
+        table.toFront();
+    }
+
+    public void hide(){
+        table.clearActions();
+        table.toFront();
+        table.touchable(Touchable.disabled);
+        table.actions(Actions.fadeOut(0.5f), Actions.visible(false));
+    }
+}