/// <summary>
/// Returns the locations of all the ligts that should be toggled
/// if the specified location is used for a move.
/// </summary>
/// <param name="ligt">The (Top Left) 0-based co-ord of the selected light.</param>
/// <returns></returns>
private IEnumerable <LightLocation> ValidLightsToToggle(LightLocation ligt)
{
// Get all relevant light locations and then filter out the invalid ones
return(AllLightsToToggle(ligt)
.Where(c => c.Row >= 0 &&
c.Row < BoardSize &&
c.Column >= 0 &&
c.Column < BoardSize));
}
/// <summary>
/// Updates the board to reflect selecting the given light.
/// </summary>
/// <param name="light">The (Top Left) 0-based co-ord of the selected light.</param>
public void MakeMove(LightLocation light)
{
var lightsToToggle = ValidLightsToToggle(light);
foreach (var togglee in lightsToToggle)
{
var currentState = _lights[togglee.Row][togglee.Column];
var newState = ToggledState(currentState);
_lights[togglee.Row][togglee.Column] = newState;
}
GameCreated = true;
}
private IEnumerable <LightLocation> AllLightsToToggle(LightLocation light)
{
var deltas = new (int Row, int Column)[] {
