/// <summary>
/// Estimates the target's fraction of its maximum hitpoints using OSBuddy's target hitpoints indicator
/// </summary>
/// <returns></returns>
protected double TargetHitpointFraction()
{
if (!InCombat())
{
return(double.MaxValue);
}
Screen.UpdateScreenshot();
Color[,] targetHitpoints = Vision.ScreenPiece(TARGET_HP_LEFT, TARGET_HP_RIGHT, TARGET_HP_TOP, TARGET_HP_BOTTOM);
RGBHSBRange greenHPBar = RGBHSBRangeFactory.OSBuddyEnemyHitpointsGreen();
bool[,] greenHP = Vision.ColorFilter(targetHitpoints, greenHPBar);
double greenWidth = ImageProcessing.BiggestBlob(greenHP).Width;
RGBHSBRange redHPBar = RGBHSBRangeFactory.OSBuddyEnemyHitpointsRed();
bool[,] redHP = Vision.ColorFilter(targetHitpoints, redHPBar);
double redWidth = ImageProcessing.BiggestBlob(redHP).Width;
return(greenWidth / Numerical.NonZero(greenWidth + redWidth));
}