/// <summary>
/// Add a slice of elements taken from the given list.
/// </summary>
/// <param name="list"></param>
/// <param name="count"></param>
/// <param name="destinationIndex"></param>
/// <param name="sourceIndex"></param>
/// <typeparam name="TList"></typeparam>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public void AddSlice <TList>(TList list, int count = -1, int destinationIndex = -1, int sourceIndex = 0)
where TList : IReadOnlyList <TControl>
{
if (count < 0)
{
count = list.Count;
}
if (destinationIndex < 0)
{
destinationIndex = Count;
}
if (count == 0)
{
return;
}
if (sourceIndex + count > list.Count)
{
throw new ArgumentOutOfRangeException(string.Format(
"Count of {0} elements starting at index {1} exceeds length of list of {2}", count, sourceIndex,
list.Count), "count");
}
// Make space in the list.
if (Capacity < count)
{
Capacity = Math.Max(count, 10);
}
if (destinationIndex < Count)
#if UNITY_2018_3_OR_NEWER
{ NativeArray <ulong> .Copy(m_Indices, destinationIndex, m_Indices, destinationIndex + count,
Count - destinationIndex); }
#else
{ Unity2018_2_Compatibility.Copy <ulong>(m_Indices, destinationIndex, m_Indices, destinationIndex + count,
Count - destinationIndex); }
#endif
// Add elements.
for (var i = 0; i < count; ++i)
{
m_Indices[destinationIndex + i] = ToIndex(list[sourceIndex + i]);
}
m_Count += count;
}
public void AddRange(IEnumerable <TControl> list, int count = -1, int destinationIndex = -1)
{
if (count < 0)
{
count = list.Count();
}
if (destinationIndex < 0)
{
destinationIndex = Count;
}
if (count == 0)
{
return;
}
// Make space in the list.
if (Capacity < count)
{
Capacity = Math.Max(count, 10);
}
if (destinationIndex < Count)
#if UNITY_2018_3_OR_NEWER
{ NativeArray <ulong> .Copy(m_Indices, destinationIndex, m_Indices, destinationIndex + count,
Count - destinationIndex); }
#else
{ Unity2018_2_Compatibility.Copy <ulong>(m_Indices, destinationIndex, m_Indices, destinationIndex + count,
Count - destinationIndex); }
#endif
// Add elements.
foreach (var element in list)
{
m_Indices[destinationIndex++] = ToIndex(element);
++m_Count;
--count;
if (count == 0)
{
break;
}
}
}
