TAnimationCurve<T> TAnimationCurve<T>::split(float start, float end)
{
Vector<TKeyframe<T>> keyFrames;
start = Math::clamp(start, mStart, mEnd);
end = Math::clamp(end, mStart, mEnd);
if (Math::approxEquals(end - start, 0.0f))
return TAnimationCurve<T>();
UINT32 startKeyIdx = findKey(start);
UINT32 endKeyIdx = findKey(end);
keyFrames.reserve(endKeyIdx - startKeyIdx + 2);
const KeyFrame& startKey = mKeyframes[startKeyIdx];
const KeyFrame& endKey = mKeyframes[endKeyIdx];
if (!Math::approxEquals(startKey.time, start))
{
keyFrames.push_back(evaluateKey(startKey, mKeyframes[startKeyIdx + 1], start));
if (start > startKey.time)
startKeyIdx++;
}
else
{
keyFrames.push_back(startKey);
startKeyIdx++;
}
if(!Math::approxEquals(endKey.time, end))
{
keyFrames.push_back(evaluateKey(endKey, mKeyframes[endKeyIdx + 1], end));
if (end < endKey.time)
endKeyIdx--;
}
keyFrames.insert(keyFrames.begin() + 1, mKeyframes.begin() + startKeyIdx, mKeyframes.begin() + endKeyIdx + 1);
for (auto& entry : keyFrames)
entry.time -= start;
return TAnimationCurve<T>(keyFrames);
}
TKeyframe<T> TAnimationCurve<T>::evaluateKey(float time, bool loop) const
{
if (mKeyframes.size() == 0)
return TKeyframe<T>();
AnimationUtility::wrapTime(time, mStart, mEnd, loop);
UINT32 leftKeyIdx;
UINT32 rightKeyIdx;
findKeys(time, leftKeyIdx, rightKeyIdx);
const KeyFrame& leftKey = mKeyframes[leftKeyIdx];
const KeyFrame& rightKey = mKeyframes[rightKeyIdx];
return evaluateKey(leftKey, rightKey, time);
}
static CondResult evalMultipleConditions (Key * key, const Key * meta, const Key * suffixList, Key * parentKey, KeySet * returned)
{
int countSucceeded = 0;
int countFailed = 0;
int countNoexpr = 0;
KeySet * condKS = elektraMetaArrayToKS (key, keyName (meta));
Key * c;
CondResult result = FALSE;
while ((c = ksNext (condKS)) != NULL)
{
if (!keyCmp (c, meta)) continue;
result = evaluateKey (c, suffixList, parentKey, key, returned, CONDITION);
if (result == TRUE)
++countSucceeded;
else if (result == ERROR)
++countFailed;
else if (result == NOEXPR)
++countNoexpr;
}
ksDel (condKS);
if (!strcmp (keyBaseName (meta), "all"))
{
// all conditions must evaluate to TRUE
if (countFailed || countNoexpr)
return ERROR;
else
return TRUE;
}
else if (!strcmp (keyBaseName (meta), "any"))
{
// at least one conditional must evaluate to TRUE
if (countSucceeded)
return TRUE;
else
return ERROR;
}
else
{
// no condition must evaluate to FALSE
if (countFailed)
return ERROR;
else
return TRUE;
}
}
