Improved build sync

core/src/io/anuke/mindustry/entities/traits/BuilderTrait.java

@@ -108,6 +108,8 @@ public interface BuilderTrait extends Entity{
 
                 if(applyChanges){
                     getPlaceQueue().addLast(request);
+                }else if(isBuilding()){
+                    getCurrentRequest().progress = progress;
                 }
             }
         }
@@ -149,6 +151,10 @@ public interface BuilderTrait extends Entity{
                     return;
                 }
             }
+            Tile tile = world.tile(place.x, place.y);
+            if(tile != null && tile.entity instanceof BuildEntity){
+                place.progress = tile.<BuildEntity>entity().progress;
+            }
             getPlaceQueue().addLast(place);
         }
     }
@@ -226,6 +232,8 @@ public interface BuilderTrait extends Entity{
             }
 
             current.progress = entity.progress();
+        }else{
+            entity.progress = current.progress;
         }
     }