Coolant system rework

core/src/mindustry/entities/comp/BuildingComp.java

@@ -71,6 +71,9 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
     transient boolean wasDamaged; //used only by the indexer
     transient float visualLiquid;
 
+    transient @Nullable Liquid filterConsLiquid;
+    transient @Nullable Item filterConsItem;
+
     @Nullable PowerModule power;
     @Nullable ItemModule items;
     @Nullable LiquidModule liquids;