/// <summary>Removes X (<paramref name="value"/>) points from this PointSystem's Current Points (always use positive values, the calculation is made within the function).</summary>
/// <remarks>
/// If, after the calculation, the amount
/// of points is greater then 0, then it triggers OnPointsDecreased and OnPointsChanged events. However if, after the calculation, the amount
/// of points is less or equal to 0 then it triggers OnPointsDecreased, OnPointsChanged and OnPointsZero events.
///</remarks>
/// <param name="value">value to be subtracted from this PointSystem 's Current Points.</param>
public void RemovePoints(int value)
{
if (value > 0)
{
int aux = currentPoints - value;
if (aux > 0)
{
currentPoints = aux;
OnPointsDataEventArgs EventArgsData = new OnPointsDataEventArgs {
CurrentPointsEventArgs = currentPoints
};
OnPointsDecreased?.Invoke(this, EventArgsData);
OnPointsChanged?.Invoke(this, EventArgsData);
}
else
{
currentPoints = 0;
OnPointsDataEventArgs EventArgsData = new OnPointsDataEventArgs {
CurrentPointsEventArgs = currentPoints
};
OnPointsDecreased?.Invoke(this, EventArgsData);
OnPointsChanged?.Invoke(this, EventArgsData);
OnPointsZero?.Invoke(this, EventArgsData);
}
}
else
{
Debug.LogError("value can't be negative nor zero!");
}
}
/// <summary>
/// Set CurrentPoints variable to 0
/// </summary>
/// <remarks>Triggers the OnPointsChanged and OnPointsZero events</remarks>
public void ResetPoints()
{
currentPoints = 0;
OnPointsDataEventArgs EventArgsData = new OnPointsDataEventArgs {
CurrentPointsEventArgs = currentPoints
};
OnPointsChanged?.Invoke(this, EventArgsData);
OnPointsZero?.Invoke(this, EventArgsData);
}