Liquid Output Display (#6788)

* Liquid Output Display

* hshfhqwehpvoipwjovpwiqffjvpwqenoij0n89f4v123f2v40q9j8hbnwqvceinopjj90cmqwvinv21904uinfhu0bnv9j90h84g bvb8024q3bh80b3498vcfj932ndjqdjponjewopnviqvnifjwp9ghpnewuubgqjiojpdfoekwdckmpqwpkmidpkewpjndqvjwnfnj8132nt345879ytgh342890yu4598yhubn4t9hrj[tevpkofkwemfvewrphojfekpcfoerkfwmvfh23bng0398g9834ifvrfnwurbgiwnwgherhnwenhgpvrnnivjpjnipfqwjniwqfejnipofvniwejpfqjwociomjefjjmvcmj21m4f98v00ngbhegwefgpjroiewjfqfwpiojnmem

* Pull to separate function

The javadoc description could be different

* In case mods have liquid icons larger than 32x32

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

@@ -1119,6 +1119,7 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
 
     /** Draw the block overlay that is shown when a cursor is over the block. */
     public void drawSelect(){
+        block.drawOverlay(x, y, rotation);
     }
 
     public void drawDisabled(){