/// <summary>
/// Applies this Affector's definition with parameters from given Animation Instance
/// <para>This function is internal so unless you know what you're doing, don't touch!</para>
/// </summary>
/// <param name="instance"></param>
/// <seealso cref="AnimationInstance"/>
public void Apply(AnimationInstance instance)
{
var target = instance.GetTarget();
var position = instance.GetPosition();
// special case
if (_keyFrames.Count == 0)
{
return;
}
if (String.IsNullOrEmpty(_targetProperty))
{
System.GetSingleton().Logger.LogEvent("Affector can't be applied when target property is empty!", LoggingLevel.Warnings);
return;
}
if (_interpolator == null)
{
System.GetSingleton().Logger.LogEvent("Affector can't be applied when no interpolator is set!", LoggingLevel.Warnings);
return;
}
KeyFrame left = null;
KeyFrame right = null;
// find 2 neighbouring keyframes
foreach (var it in _keyFrames)
{
var current = it.Value;
if (current.GetPosition() <= position)
{
left = current;
}
if (current.GetPosition() >= position && right == null)
{
right = current;
}
}
float leftDistance, rightDistance;
if (left != null)
{
leftDistance = position - left.GetPosition();
}
else
{
// if no keyframe is suitable for left neighbour, pick the first one
left = _keyFrames.First().Value;
leftDistance = 0;
}
if (right != null)
{
rightDistance = right.GetPosition() - position;
}
else
{
// if no keyframe is suitable for the right neighbour, pick the last one
right = _keyFrames.Last().Value;
rightDistance = 0;
}
// if there is just one keyframe and we are right on it
if (leftDistance + rightDistance == 0f)
{
leftDistance = rightDistance = 0.5f;
}
// alter interpolation position using the right neighbours progression method
var interpolationPosition = right.AlterInterpolationPosition(leftDistance / (leftDistance + rightDistance));
// absolute application method
if (_applicationMethod == ApplicationMethod.Absolute)
{
var result = _interpolator.InterpolateAbsolute(left.GetValueForAnimation(instance),
right.GetValueForAnimation(instance),
interpolationPosition);
target.SetProperty(_targetProperty, result);
}
// relative application method
else if (_applicationMethod == ApplicationMethod.Relative)
{
var @base = instance.GetSavedPropertyValue(GetTargetProperty());
var result = _interpolator.InterpolateRelative(@base,
left.GetValueForAnimation(instance),
right.GetValueForAnimation(instance),
interpolationPosition);
target.SetProperty(_targetProperty, result);
}
// relative multiply application method
else if (_applicationMethod == ApplicationMethod.RelativeMultiply)
{
var @base = instance.GetSavedPropertyValue(GetTargetProperty());
var result = _interpolator.InterpolateRelativeMultiply(@base,
left.GetValueForAnimation(instance),
right.GetValueForAnimation(instance),
interpolationPosition);
target.SetProperty(_targetProperty, result);
}
else
{
// todo: more application methods?
global::System.Diagnostics.Debug.Assert(false);
}
}
private GlobalEventSet()
{
System.GetSingleton().Logger.
LogEvent(String.Format("CEGUI::GlobalEventSet singleton created. ({0:X8})", GetHashCode()));
}
private bool handlePasteRequest(SemanticInputEvent @event)
{
var target = GetInputTargetWindow();
return(target != null && target.PerformPaste(System.GetSingleton().GetClipboard()));
}