/// <summary>
/// Gets a point in <paramref name="rint"/> using <paramref name="sortType"/>
/// </summary>
/// <param name="rint">The <see cref="RectInt"/> to get the point from.</param>
/// <param name="sortType">The <see cref="AtlasItemSortType"/> used to get the point.</param>
/// <returns></returns>
public static Vector2Int GetPointInRint(this RectInt rint, AtlasItemSortType sortType)
{
int rintPointX = (sortType == AtlasItemSortType.ByXAndHeight || sortType == AtlasItemSortType.ByXAndY) ? rint.x : rint.x + rint.width;
int rintPointY = (sortType == AtlasItemSortType.ByWidthAndY || sortType == AtlasItemSortType.ByXAndY) ? rint.y : rint.y + rint.height;
return(new Vector2Int(rintPointX, rintPointY));
}
/// <summary>
/// Gets the pixel regions of <paramref name="atlas"/> and sorts them using <paramref name="sortType"/>.
/// </summary>
/// <param name="atlas">The <see cref="dfAtlas"/> to get the pixel regions from.</param>
/// <param name="sortType">The <see cref="AtlasItemSortType"/> used to sort the list of pixel regions.</param>
/// <returns>A list with all pixel regions in <paramref name="atlas"/> that is sorted using <paramref name="sortType"/></returns>
public static List <RectInt> GetSortedPixelRegions(this dfAtlas atlas, AtlasItemSortType sortType)
{
List <RectInt> rawList = atlas.GetPixelRegions();
List <RectInt> sortedList = new List <RectInt>();
while (sortedList.Count < rawList.Count)
{
RectInt rint = new RectInt(0, 0, 0, 0);
bool rintIsUnassigned = true;
for (int i = 0; i < rawList.Count; i++)
{
if (!sortedList.Contains(rawList[i]))
{
if (rintIsUnassigned)
{
rint = rawList[i];
rintIsUnassigned = false;
}
else
{
rint = ((rint.GetPointInRint(sortType).x >= rawList[i].GetPointInRint(sortType).x&& rint.GetPointInRint(sortType).y >= rawList[i].GetPointInRint(sortType).y) ? rawList[i] : rint);
}
}
}
sortedList.Add(rint);
}
return(sortedList);
}
