/// <summary>
/// Sets the row info and init CombBulletTextInfo.
/// </summary>
private void SetRowInfo()
{
TextInfo = new CombBulletTextInfo()
{
SendTime = Time.realtimeSinceStartup,
TextHeight = _textHeight,
ImageWidth = _bodyImageWidth,
ImageHeight = _bodyImageheight
};
//目前只有图片一类非文本消息....
TextInfo.IsText = (null == _image);
//找到对应行道的根节点row_{0},并且位置和父节点一致...
var rowRoot = _displayer.GetRowRoot(this, out _timeGap);
transform.SetParent(rowRoot, false);
//大小不进行缩放》...
transform.localScale = Vector3.one;
}
/// <summary>
/// Gets the row root.根据当前节点下是否有textinfo元素挂靠,没有的话就初始化一个..
/// 图片和视频居中...
/// </summary>
/// <returns>The row root.</returns>
/// <param name="newTextInfo">New text info.</param>
public Transform GetRowRoot(CombBulletTextInfo newTextInfo)
{
const int notFoundRowIndex = -1;
int searchedRowIndex = notFoundRowIndex;
//发送时间记为现在时间...
newTextInfo.SendTime = Time.realtimeSinceStartup;
//
if (newTextInfo.IsText)
{
for (int rowIndex = 0; rowIndex < _currBulletTextInfoList.Length; rowIndex++)
{
var textInfo = _currBulletTextInfoList [rowIndex];
//if no bullet text info exist in this row, create the new directly.
if (textInfo == null)
{
searchedRowIndex = rowIndex;
break;
}
//没有空余节点就重复使用....
Debug.Log("textInfo.IsText:" + textInfo.IsText);
Debug.Log("newTextInfo.IsText:" + newTextInfo.IsText);
float l1 = (textInfo.IsText) ? textInfo.TextWidth : textInfo.ImageWidth;
float l2 = (newTextInfo.IsText) ? newTextInfo.TextWidth : newTextInfo.ImageWidth;
//float l1 = textInfo.TextWidth;
//float l2 = newTextInfo.TextWidth;
//发送时间间隔必须超过文本长度...
float sentDeltaTime = newTextInfo.SendTime - textInfo.SendTime;
var aheadTime = GetAheadTime(l1, l2);
if (sentDeltaTime >= aheadTime) //fit and add.
{
searchedRowIndex = rowIndex;
break;
}
//go on searching in next row.
}
}
else
{
searchedRowIndex = _currBulletTextInfoList.Length / 2;
if (_currBulletTextInfoList.Length > 6)
{
//手机图片有些太大了随机0-2....
int repairRowIndex = Random.Range(0, 3);
searchedRowIndex = repairRowIndex;
}
}
//找不到合适节点, 随机一个...
if (searchedRowIndex == notFoundRowIndex) //no fit but random one row.
{
int repairRowIndex = Random.Range(0, _currBulletTextInfoList.Length);
searchedRowIndex = repairRowIndex;
}
//
_currBulletTextInfoList[searchedRowIndex] = newTextInfo;
Transform root = _info.ScreenRoot.transform.Find(string.Format("row_{0}", searchedRowIndex));
return(root);
}
