public static TileStruct[][] CropMap(TileStruct[][] map,int x1, int y1, int x2, int y2)
{
int height = Mathf.Abs(y1 - y2);
IEnumerable<TileStruct> arr = map.Skip(x1)
.Take(x2 - x1)
.SelectMany(a => a.Skip(y1).Take(y2 - y1));
var array = arr.Select((x, i) => new { Index = i, Value = x })
.GroupBy(x => x.Index / height)
.Select(x => x.Select(v => v.Value).ToList().ToArray())
.ToArray();
TileStruct[][] outArray = new TileStruct[array.Length][];
for (int i = 0; i < array.Length; i++)
{
outArray[i] = new TileStruct[array[i].Length];
for (int y = 0; y < array[i].Length; y++)
{
var input = array[i][y];
outArray[i][y] = new TileStruct(input.X, input.Y, input.Type);
}
}
return outArray;
}
//no cloning
public static TileStruct[][] CropMap2(TileStruct[][] map, int x1, int y1, int x2, int y2, TileType corridor)
{
int height = Mathf.Abs(y1 - y2);
IEnumerable<TileStruct> arr = map.Skip(x1)
.Take(x2 - x1)
.SelectMany(a => a.Skip(y1).Take(y2 - y1));
var array = arr.Select((x, i) => new { Index = i, Value = x })
.GroupBy(x => x.Index / height)
.Select(x => x.Select(v => v.Value).ToList().ToArray())
.ToArray();
foreach (var item in array)
{
foreach (var item2 in item)
{
item2.Type = corridor;
}
}
return array;
}