Fixed #2901 / Fixed #2903

core/src/mindustry/world/blocks/storage/CoreBlock.java

@@ -14,6 +14,7 @@ import mindustry.game.EventType.*;
 import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
+import mindustry.logic.*;
 import mindustry.type.*;
 import mindustry.ui.*;
 import mindustry.world.*;
@@ -159,6 +160,12 @@ public class CoreBlock extends StorageBlock{
         public BlockUnitc unit = Nulls.blockUnit;
         public boolean noEffect = false;
 
+        @Override
+        public double sense(LAccess sensor){
+            if(sensor == LAccess.itemCapacity) return storageCapacity;
+            return super.sense(sensor);
+        }
+
         @Override
         public void created(){
             unit = (BlockUnitc)UnitTypes.block.create(team);