no

core/src/io/anuke/mindustry/core/Control.java

@@ -223,6 +223,8 @@ public class Control implements ApplicationListener, Loadable{
             logic.reset();
             world.loadMap(map, rules);
             state.rules = rules;
+            state.rules.zone = null;
+            state.rules.editor = false;
             logic.play();
             if(settings.getBool("savecreate") && !world.isInvalidMap()){
                 control.saves.addSave(map.name() + " " + new SimpleDateFormat("MMM dd h:mm", Locale.getDefault()).format(new Date()));

core/src/io/anuke/mindustry/editor/MapEditorDialog.java

@@ -283,6 +283,8 @@ public class MapEditorDialog extends Dialog implements Disposable{
     }
 
     public Map save(){
+        boolean isEditor = state.rules.editor;
+        state.rules.editor = false;
         String name = editor.getTags().get("name", "").trim();
         editor.getTags().put("rules", JsonIO.write(state.rules));
         editor.getTags().remove("width");
@@ -306,6 +308,7 @@ public class MapEditorDialog extends Dialog implements Disposable{
 
         menu.hide();
         saved = true;
+        state.rules.editor = isEditor;
         return returned;
     }
 

core/src/io/anuke/mindustry/ui/dialogs/LoadDialog.java

@@ -195,6 +195,7 @@ public class LoadDialog extends FloatingDialog{
             try{
                 net.reset();
                 slot.load();
+                state.rules.editor = false;
                 state.rules.zone = null;
                 state.set(State.playing);
             }catch(SaveException e){