Minor bugfixes & compatibility fixes

core/src/mindustry/world/consumers/ConsumePower.java

@@ -8,11 +8,11 @@ import mindustry.world.meta.*;
 /** Consumer class for blocks which consume power while being connected to a power graph. */
 public class ConsumePower extends Consume{
     /** The maximum amount of power which can be processed per tick. This might influence efficiency or load a buffer. */
-    public final float usage;
+    public float usage;
     /** The maximum power capacity in power units. */
-    public final float capacity;
+    public float capacity;
     /** True if the module can store power. */
-    public final boolean buffered;
+    public boolean buffered;
 
     public ConsumePower(float usage, float capacity, boolean buffered){
         this.usage = usage;