Method HowManyCanFit

src/ItemGrid.cpp:216–240

int cItemGrid::HowManyCanFit(const cItem & a_ItemStack, bool a_AllowNewStacks)
{
	char NumLeft = a_ItemStack.m_ItemCount;
	int MaxStack = ItemHandler(a_ItemStack.m_ItemType)->GetMaxStackSize();
	for (int i = m_NumSlots - 1; i >= 0; i--)
	{
		if (m_Slots[i].IsEmpty())
		{
			if (a_AllowNewStacks)
			{
				NumLeft -= MaxStack;
			}
		}
		else if (m_Slots[i].IsEqual(a_ItemStack))
		{
			NumLeft -= MaxStack - m_Slots[i].m_ItemCount;
		}
		if (NumLeft <= 0)
		{
			// All items fit
			return a_ItemStack.m_ItemCount;
		}
	}  // for i - m_Slots[]
	return a_ItemStack.m_ItemCount - NumLeft;
}