add universeDraw event

core/src/mindustry/game/EventType.java

@@ -36,8 +36,11 @@ public class EventType{
         postDraw,
         uiDrawBegin,
         uiDrawEnd,
-        //before/after bloom used, skybox or planets drawn - use Vars.renderer.planets
+        //before/after bloom used, skybox or planets drawn
         universeDrawBegin,
+        //skybox drawn and bloom is enabled - use Vars.renderer.planets
+        universeDraw,
+        //planets drawn and bloom disabled
         universeDrawEnd
     }
 

core/src/mindustry/graphics/g3d/PlanetRenderer.java

@@ -89,6 +89,8 @@ public class PlanetRenderer implements Disposable{
 
         skybox.render(cam.combined);
 
+        Events.fire(Trigger.universeDraw);
+
         renderPlanet(solarSystem);
 
         endBloom();