Mark certain blocks as non-updating

core/src/mindustry/world/blocks/distribution/OverflowGate.java

@@ -16,7 +16,8 @@ public class OverflowGate extends Block{
         super(name);
         hasItems = true;
         solid = true;
-        update = true;
+        update = false;
+        destructible = true;
         group = BlockGroup.transportation;
         instantTransfer = true;
         unloadable = false;

core/src/mindustry/world/blocks/distribution/Sorter.java

@@ -19,7 +19,8 @@ public class Sorter extends Block{
 
     public Sorter(String name){
         super(name);
-        update = true;
+        update = false;
+        destructible = true;
         solid = true;
         instantTransfer = true;
         group = BlockGroup.transportation;

core/src/mindustry/world/blocks/power/Battery.java

@@ -24,6 +24,9 @@ public class Battery extends PowerDistributor{
         flags = EnumSet.of(BlockFlag.battery);
         //TODO could be supported everywhere...
         envEnabled |= Env.space;
+        destructible = true;
+        //batteries don't need to update
+        update = false;
     }
 
     public class BatteryBuild extends Building{

core/src/mindustry/world/blocks/power/BeamNode.java

@@ -94,6 +94,7 @@ public class BeamNode extends PowerBlock{
 
         @Override
         public void updateTile(){
+            //TODO this block technically does not need to update every frame, perhaps put it in a special list.
             if(lastChange != world.tileChanges){
                 lastChange = world.tileChanges;
                 updateDirections();

core/src/mindustry/world/blocks/power/PowerNode.java

@@ -46,6 +46,10 @@ public class PowerNode extends PowerBlock{
         schematicPriority = -10;
         drawDisabled = false;
         envEnabled |= Env.space;
+        destructible = true;
+
+        //nodes do not even need to update
+        update = false;
 
         config(Integer.class, (entity, value) -> {
             PowerModule power = entity.power;