protected virtual bool DoLoopShowContent()
{
if (mViewMaskRectTrans.childCount >= mMaxShowingItemCount)
{
return(false);
}
mWillShowContent = GetNextShowContentItem();
if (mWillShowContent == null)
{
return(false);
}
mAllContentInfors.RemoveAt(0);
UILanternMessageItem tempLastMessageItem = mLastShowContenItem; //使用临时变量避免修改原有的引用
// EditorPauseApplication.Pause();
if (tempLastMessageItem == null && mViewMaskRectTrans.childCount > 0)
{
tempLastMessageItem = mViewMaskRectTrans.GetChild(mViewMaskRectTrans.childCount - 1).GetComponent <UILanternMessageItem>();
}
float endAnchorPos = 0, tweenTime = 0;
UILanternMessageItem viewItem = GetMeessageItem();
viewItem.ShowContent(mWillShowContent);
if (tempLastMessageItem != null)
{
Rect LastShowTargetRect = tempLastMessageItem.rectTransform.GetCanvasRect_Standard(mCanvas);
if (LastShowTargetRect.x + LastShowTargetRect.width >= mViewMaskRect.x + mViewMaskRect.width - mContentItemSpace) //这里-mContentItemSpace 为了确保两个项之间的距离最小是mContentItemSpace
{
// Debug.Log("上一个记录很长 超过Mask区域 则下一个消息接在这个消息后面 " + mLastShowContenItem.rectTransform.anchoredPosition.x);
viewItem.rectTransform.anchoredPosition = new Vector2(tempLastMessageItem.rectTransform.anchoredPosition.x + tempLastMessageItem.rectTransform.rect.width + mContentItemSpace, 0);
} //上一个记录很长 超过Mask区域 则下一个消息接在这个消息后面
else
{
viewItem.rectTransform.anchoredPosition = new Vector2(mViewMaskRectTrans.rect.width, 0);
} //在显示区域的右边开始
}
else
{
viewItem.rectTransform.anchoredPosition = new Vector2(mViewMaskRectTrans.rect.width, 0);
}
endAnchorPos = -1 * viewItem.mWidth - mContentItemSpace; //防止边界问题 每个消息多位移一点点
mLastShowContenItem = viewItem;
tweenTime = mBaseTweenTime * Mathf.Abs(endAnchorPos - viewItem.rectTransform.anchoredPosition.x) / mBaseTweenDistance;
Tweener tween = viewItem.rectTransform.DOAnchorPosX(endAnchorPos, tweenTime).SetEase(Ease.Linear).OnComplete(() =>
{
Rect viewTargetRect = viewItem.rectTransform.GetCanvasRect_Standard(mCanvas);
Rect mViewMaskRect = mViewMaskRectTrans.GetCanvasRect_Standard(mCanvas);
if (mViewMaskRect.Overlaps(viewTargetRect) == false)
{
// Debug.Log("OnCompleteLastTween Recycle " + viewItem.gameObject.name);
if (mAllShowingContentMessageItem.Count > 0)
{
if (mAllShowingContentMessageItem.Peek() != viewItem)
{
Debug.Log("保存的数据记录与存在的不对应 "); //当调用了ClearAllContentItem 接口后，由于没有删除已经存在的消息 这里可能不一致
}
else
{
mAllShowingContentMessageItem.Dequeue();
}
}
DeleteMeessageItem(viewItem, true);
}
if (OnCompleteTweenCallback != null)
{
OnCompleteTweenCallback(viewItem);
}
});
viewItem.SetTweener(tween);
mAllShowingContentMessageItem.Enqueue(viewItem);
return(true);
}
