public float GetMaxWidthHeightValue(UltimateSlot slot)
{
float positionValue = UtilityMethod.GetAxisValue(slot.Position, UltimateScrollView.Direction.TopDown),
sizeValue = UtilityMethod.GetAxisValue(slot.slotStat.GetSize(), UltimateScrollView.Direction.TopDown);
return(positionValue - (sizeValue * 0.5f));
}
private int FindCurrentIndex(int startIndex, float viewNavPoint)
{
int _currentIndex = startIndex;
if (_currentIndex >= 0 && _currentIndex < _slotListCount)
{
float slotPosValue = UtilityMethod.GetAxisValue(_slotList[_currentIndex].Position, directionStat);
float slotSizeValue = UtilityMethod.GetAxisValue(_slotList[_currentIndex].slotStat.GetSize(), directionStat);
float currentIndexMin = _baseOrientation.GetIndexMin(slotPosValue, slotSizeValue);
float currentIndexMax = _baseOrientation.GetIndexMax(slotPosValue, slotSizeValue);
if (viewNavPoint <= currentIndexMax && viewNavPoint >= currentIndexMin)
{
return(_currentIndex);
}
if (viewNavPoint > currentIndexMax && currentIndex + 1 < _slotListCount)
{
return(FindCurrentIndex(_currentIndex + 1, viewNavPoint));
}
if (viewNavPoint < currentIndexMin && currentIndex - 1 >= 0)
{
return(FindCurrentIndex(_currentIndex - 1, viewNavPoint));
}
}
return(_currentIndex);
}
private void UpdateViewportPos()
{
if (isDragging)
{
return;
}
float viewTrackPos = UtilityMethod.GetAxisValue(_scrollRect.content.anchoredPosition, directionStat);
float viewportSize = UtilityMethod.GetRectValue(_scrollRect.viewport.rect, directionStat);
//Debug.Log("_scrollViewLength " + _scrollViewLength);
//Debug.Log("viewTrackPos " + viewTrackPos);
//Debug.Log("viewportSize " + viewportSize);
//Align ScrollRect On top, if condition meet
if (_baseOrientation.AlignTopValidation(viewTrackPos, _scrollViewLength, viewportSize))
{
_scrollRect.content.anchoredPosition = _baseOrientation.AlignTopTargetPos(_scrollViewLength, viewportSize, viewTrackPos);
return;
}
//Align ScrollRect On bottom, if condition meet
if (_baseOrientation.AlignBottomValidation(viewTrackPos, _scrollViewLength, viewportSize))
{
_scrollRect.content.anchoredPosition = _baseOrientation.AlignBottomTargetPos(_scrollViewLength, viewportSize, viewTrackPos);
if (OnLastScrollSlot != null)
{
OnLastScrollSlot();
}
return;
}
}
private void UpdateElementPos(int startIndex)
{
if (startIndex < 0 || startIndex >= _slotListCount)
{
return;
}
var ultiSlot = _slotList[startIndex];
var slotSize = ultiSlot.slotStat.GetSize();
float slotSizeValue = UtilityMethod.GetAxisValue(slotSize, directionStat);
float visibleSizeValue = UtilityMethod.GetAxisValue(visibleSize, directionStat);
//Beginning position for every slot
float startPosition = _baseOrientation.GetStartPosition(visibleSizeValue, slotSizeValue);
float latestHeight = (startIndex == 0) ? startPosition : _baseOrientation.GetMaxWidthHeightValue(_slotList[startIndex - 1]);
float positionValue = _baseOrientation.GetElementMainPos(startIndex, latestHeight, slotSize, this.space);
ultiSlot.SetPosition(_baseOrientation.GetElementPosVector(positionValue, visibleSize));
ultiSlot.SetIndex(startIndex);
_scrollViewLength = Mathf.Abs(latestHeight - slotSizeValue - startPosition);
//ScrollBar now only support topdown
_scrollContent.sizeDelta = new Vector2(0, _scrollViewLength);
}
public float GetElementMainPos(int index, float latestHeight, Vector2 slotSize, float space)
{
float slotWidth = UtilityMethod.GetAxisValue(slotSize, UltimateScrollView.Direction.RightLeft);
float positionValue = (latestHeight + (slotWidth * 0.5f));
if (index > 0)
{
positionValue += space;
}
return(positionValue);
}
void Update()
{
if (this.gameObject.activeInHierarchy && _slotList != null)
{
float viewNavPoint = UtilityMethod.GetAxisValue(_scrollRect.content.anchoredPosition, directionStat);
if (currentIndex >= 0 && currentIndex < _slotListCount)
{
currentIndex = FindCurrentIndex(currentIndex, viewNavPoint);
UpdateElementVisibility();
UpdateViewportPos();
}
}
UpdateOnScreenResize();
}
