Fix unnecessary copies

src/main/java/refinedstorage/tile/TileConstructor.java

@@ -71,7 +71,7 @@ public class TileConstructor extends TileMachine implements ICompareConfig {
             }
 
             if (block != null && block.canPlaceBlockAt(worldObj, front)) {
-                ItemStack took = controller.take(filter.getStackInSlot(0).copy(), compare);
+                ItemStack took = controller.take(filter.getStackInSlot(0), compare);
 
                 if (took != null) {
                     scheduler.resetSchedule();

src/main/java/refinedstorage/tile/TileDestructor.java

@@ -63,9 +63,8 @@ public class TileDestructor extends TileMachine implements ICompareConfig, IMode
                     worldObj.setBlockToAir(front);
 
                     for (ItemStack drop : drops) {
-                        // We check if the controller isn't null here because
+                        // We check if the controller isn't null here because when a destructor faces a machine block and removes it
-                        // when a destructor faces a storage network block and removes it
+                        // it will essentially remove this block itself from the network without knowing
-                        // it will essentially remove this block from the network without knowing.
                         if (controller == null || !controller.push(drop)) {
                             InventoryHelper.spawnItemStack(worldObj, front.getX(), front.getY(), front.getZ(), drop);
                         }

src/main/java/refinedstorage/tile/controller/StorageHandler.java

@@ -43,9 +43,7 @@ public class StorageHandler {
             // NO OP, the quantity already set (64) is needed for shift
         }
 
-        if (size > stack.getItem().getItemStackLimit(stack)) {
+        size = Math.min(size, stack.getItem().getItemStackLimit(stack));
-            size = stack.getItem().getItemStackLimit(stack);
-        }
 
         ItemStack took = controller.take(ItemHandlerHelper.copyStackWithSize(stack, size));
 

src/main/java/refinedstorage/tile/grid/TileGrid.java

@@ -149,7 +149,7 @@ public class TileGrid extends TileMachine implements IGrid {
 
                     if (slot != null) {
                         if (slot.stackSize == 1 && isConnected()) {
-                            matrix.setInventorySlotContents(i, controller.take(slot.copy()));
+                            matrix.setInventorySlotContents(i, controller.take(slot));
                         } else {
                             matrix.decrStackSize(i, 1);
                         }