private static InternalRow BuildInternalRow(IReadOnlyList<Room> rooms, Coords coords, int value, bool isInitialValue)
{
var roomIndex = GetRoomIndexForCoords(rooms, coords);
return new InternalRow(coords, value, roomIndex, isInitialValue);
}
private static int GetRoomIndexForCoords(IReadOnlyList<Room> rooms, Coords coords)
{
for (var roomIndex = 0; roomIndex < rooms.Count; roomIndex++)
{
var room = rooms[roomIndex];
if (room.Cells.Contains(coords)) return roomIndex;
}
throw new InvalidOperationException($"Failed to find coords {coords} in any room!");
}