How to use

get

method

in

slimeknights.mantle.util.ItemStackList

 protected ItemStackList getDemoTools(ItemStack[][] inputItems) {
  ItemStackList demo = ItemStackList.withSize(tool.size());

  for(int i = 0; i < tool.size(); i++) {
   if(tool.get(i) instanceof ToolCore) {
    ToolCore core = (ToolCore) tool.get(i);
    List<Material> mats = ImmutableList.of(TinkerMaterials.wood, TinkerMaterials.cobalt, TinkerMaterials.ardite, TinkerMaterials.manyullyn);
    mats = mats.subList(0, core.getRequiredComponents().size());
    demo.set(i, ((ToolCore) tool.get(i)).buildItemForRendering(mats));
   }
   else if(tool != null) {
    demo.set(i, new ItemStack(tool.get(i)));
   }

   if(!demo.get(i).isEmpty()) {
    modifier.apply(demo.get(i));
   }
  }

  return demo;
 }
}

 @Override
 protected ItemStackList getDemoTools(ItemStack[][] inputItems) {
  if(inputItems.length == 0) {
   return ItemStackList.create();
  }

  ItemStackList demo = super.getDemoTools(inputItems);

  ItemStackList out = ItemStackList.create();

  for(int i = 0; i < inputItems[0].length; i++) {
   if(inputItems[0][i].getItem() == TinkerTools.sharpeningKit) {
    Material material = TinkerTools.sharpeningKit.getMaterial(inputItems[0][i]);
    IModifier modifier = TinkerRegistry.getModifier("fortify" + material.getIdentifier());
    if(modifier != null) {
     ItemStack stack = demo.get(i % demo.size()).copy();
     modifier.apply(stack);
     out.add(stack);
    }
   }
  }

  return out;
 }
}

/**
 * Checks if an Itemstack at a specific index is not empty
 *
 * @param index The index to check
 * @return true if the itemstack at index <i>index</i> is not empty, false otherwise or if the index is out of bounds
 */
public boolean hasItem(int index) {
 return index >= 0 && index < size() && !get(index).isEmpty();
}

/**
 * Creates a new list with the same content. ItemStacks are shared between lists!
 * @param fixed If true the list will have fixed size
 */
public ItemStackList copy(boolean fixed) {
 ItemStackList copy = fixed ? withSize(this.size()) : create();
 for(int i = 0; i < size(); i++) {
  copy.set(i, get(i));
 }
 return copy;
}

 /**
  * Creates a new list with the same content, but Itemstacks are copied too,
  * meaning changes to the copy will not affect the itemstacks in the original list.
  * @param fixed If true the list will have fixed size
  */
 public ItemStackList deepCopy(boolean fixed) {
  ItemStackList copy = fixed ? withSize(this.size()) : create();
  for(int i = 0; i < size(); i++) {
   copy.set(i, get(i).copy());
  }
  return copy;
 }
}