it is done

core/src/mindustry/ui/dialogs/FloatingDialog.java

@@ -0,0 +1,67 @@
+package mindustry.ui.dialogs;
+
+import arc.*;
+import arc.input.*;
+import arc.scene.ui.*;
+import arc.util.*;
+import mindustry.core.GameState.*;
+import mindustry.game.EventType.*;
+import mindustry.gen.*;
+import mindustry.graphics.*;
+
+import static mindustry.Vars.*;
+
+public class FloatingDialog extends Dialog{
+    private boolean wasPaused;
+    protected boolean shouldPause;
+
+    public FloatingDialog(String title, DialogStyle style){
+        super(title, style);
+        setFillParent(true);
+        this.title.setAlignment(Align.center);
+        titleTable.row();
+        titleTable.addImage(Tex.whiteui, Pal.accent)
+        .growX().height(3f).pad(4f);
+
+        hidden(() -> {
+            if(shouldPause && !state.is(State.menu)){
+                if(!wasPaused || net.active()){
+                    state.set(State.playing);
+                }
+            }
+            Sounds.back.play();
+        });
+
+        shown(() -> {
+            if(shouldPause && !state.is(State.menu)){
+                wasPaused = state.is(State.paused);
+                state.set(State.paused);
+            }
+        });
+    }
+
+    public FloatingDialog(String title){
+        this(title, Core.scene.getStyle(DialogStyle.class));
+    }
+
+    protected void onResize(Runnable run){
+        Events.on(ResizeEvent.class, event -> {
+            if(isShown() && Core.scene.getDialog() == this){
+                run.run();
+                updateScrollFocus();
+            }
+        });
+    }
+
+    @Override
+    public void addCloseButton(){
+        buttons.defaults().size(210f, 64f);
+        buttons.addImageTextButton("$back", Icon.arrowLeft, this::hide).size(210f, 64f);
+
+        keyDown(key -> {
+            if(key == KeyCode.ESCAPE || key == KeyCode.BACK){
+                Core.app.post(this::hide);
+            }
+        });
+    }
+}