float Element::update(float tpf, float alpha, Input* pInput, float dimming)
{
// Activity animationa
mActivity.update(tpf, !mActive);
// Save current alpha (already animated by layout or other element)
mAlpha = alpha;
// Use activity and alpha to check whether input is necessary
if (mAlpha < 1 || mActivity.getValue() < 1)
{
pInput = NULL;
}
// Check wether cursor is over element
// Used for dimming etc, not affected by consumption of input
bool penetrated = penetratedByInput(pInput);
// Dimming
if (mForceUndim)
{
// Undim it
mDimming.update(-tpf / mpLayout->getConfig()->dimmingDecreaseDuration);
}
else if (mDimmable)
{
if (penetrated)
{
// Undim it
mDimming.update(-tpf / mpLayout->getConfig()->dimmingDecreaseDuration);
}
else
{
// Dim it
mDimming.update(tpf / mpLayout->getConfig()->dimmingIncreaseDuration);
}
}
else
{
// Use dimming value of parent
mDimming.setValue(dimming);
}
// Adaptive scaling
if (mAdaptiveScaling)
{
// Set maximum of adaptive scale
if (penetrated)
{
// Scale it up
mAdaptiveScale.update(tpf / mpLayout->getConfig()->adaptiveScaleIncreaseDuration);
}
else
{
// Scale it down
mAdaptiveScale.update(-tpf / mpLayout->getConfig()->adaptiveScaleDecreaseDuration);
}
}
else
{
// Scale it down, because could have been set by using scale from special update (children!)
mAdaptiveScale.update(-tpf / mpLayout->getConfig()->adaptiveScaleDecreaseDuration);
}
// Update replaced element if there is some
if (mupReplacedElement.get() != NULL)
{
float replacedAlpha = mAlpha * (mupReplacedElement->getAlpha()
- (tpf / mpLayout->getConfig()->animationDuration));
replacedAlpha = clamp(replacedAlpha, 0, 1);
mupReplacedElement->update(tpf, replacedAlpha, NULL, mDimming.getValue());
// Check, whether replacement is still visible
if (replacedAlpha <= 0)
{
// Give it to layout for destruction at end of frame
mpFrame->commitDyingReplacedElement(std::move(mupReplacedElement));
}
}
// Call specialized update of subclasses
float specialAdaptiveScale = specialUpdate(tpf, pInput);
// Decide, which adaptive scale to save. Own adaptive scale decreases if adaptive scaling is deactivated!
// If it would be not saved in member, nobody would know about it at rendering.
mAdaptiveScale.setValue(std::max(mAdaptiveScale.getValue(), specialAdaptiveScale));
// Return adaptive scale
return mAdaptiveScale.getValue();
}
double Dnode::localUpdate() {
specialUpdate();
flag = true;
return 0;
}
