/// <summary>
/// Gets the next color.
/// </summary>
/// <param name="preferredMood">The preferred mood.</param>
/// <param name="secondaryMood">The secondary mood.</param>
/// <returns></returns>
public Color NextColor(ColorMoods preferredMood, ColorMoods secondaryMood)
{
if (_usedColors.Count == _colors.Count)
{
// We're all out of colors. Reset.
Reset();
}
// First try to find a color in the preferred mood
Color result = FindUnused(preferredMood);
if (result != Color.Transparent)
{
return(result);
}
else
{
// Try the secondary mood
Color secondresult = FindUnused(secondaryMood);
if (secondresult != Color.Transparent)
{
return(secondresult);
}
else
{
// Just return something
return(FindUnused(ColorMoods.All));
}
}
}
private Color FindUnused(ColorMoods mood)
{
foreach (var pair in _colors)
{
// Use bitwise AND to see if this color passes - also make sure we haven't used it yet
if ((pair.Value & mood) != 0 && !_usedColors.Contains(pair.Key))
{
_usedColors.Add(pair.Key);
return(pair.Key);
}
}
// If we get to this point, we have used all the colors
return(Color.Transparent);
}
/// <summary>
/// Gets the next color.
/// </summary>
/// <param name="preferredMood">The preferred mood.</param>
/// <returns></returns>
public Color NextColor(ColorMoods preferredMood)
{
return(NextColor(preferredMood, ColorMoods.All));
}
