Functional sorting

core/src/mindustry/graphics/BlockRenderer.java

@@ -185,6 +185,8 @@ public class BlockRenderer implements Disposable{
             return;
         }
 
+        requests.clear();
+
         int minx = Math.max(avgx - rangex - expandr, 0);
         int miny = Math.max(avgy - rangey - expandr, 0);
         int maxx = Math.min(world.width() - 1, avgx + rangex + expandr);

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

@@ -56,7 +56,7 @@ public class PayloadConveyor extends Block{
         }
     }
 
-    public class MassConveyorEntity extends TileEntity{
+    public class PayloadConveyorEntity extends TileEntity{
         public @Nullable Payload item;
         public float progress, itemRotation, animation;
         public @Nullable Tilec next;