// Add Item by Meta
public int Add(ItemMeta itemMeta, int amount)
{
if (itemMeta == null || amount == 0)
{
return(0);
}
int maxStackSize = itemMeta.GetItemType().MaxStackSize;
foreach (ItemStack itemStack in itemStacks)
{
if (itemStack.IsEmpty())
{
continue;
}
if (!itemMeta.Equals(itemStack.GetItemMeta()))
{
continue;
}
if (itemStack.GetAmount() == maxStackSize)
{
continue;
}
if (itemStack.GetAmount() + amount <= maxStackSize)
{
itemStack.SetAmount(itemStack.GetAmount() + amount);
amount = 0;
break;
}
else
{
amount -= itemStack.GetAmount() + amount - maxStackSize;
itemStack.SetAmount(maxStackSize);
}
}
if (amount > 0)
{
int firstEmpty = FindEmpty();
if (firstEmpty != -1 && firstEmpty < itemStacks.Length)
{
ItemStack itemStack = itemStacks[firstEmpty];
if (itemStack == null || !itemStack.IsEmpty())
{
return(amount);
}
if (amount <= maxStackSize)
{
itemStack.SetItemStack(itemMeta, amount);
amount = 0;
}
else
{
amount -= maxStackSize;
itemStack.SetItemStack(itemMeta, maxStackSize);
Add(itemMeta, amount);
}
}
}
return(amount);
}
