//字符串网格控制
public override bool HandleTextMesh(URichTextParseInfo info)
{
if (info.vertStartIndex < 0)
{
return(false);
}
int vertEndIndex = GetVertEndIndex(info.vertStartIndex, endMsg);
int vertStartIndex = info.vertStartIndex + preMsg.Length;
//可以考虑用内存池，减少内存分配
var output = new List <UIVertex>();
vHelper.GetUIVertexStream(output);
//绘制下划线
vHelper.Clear();
List <Rect> lineRects = richText.GetTextTiles(vertStartIndex, vertEndIndex, output);
for (int i = 0; i < lineRects.Count; i++)
{
output.AddRange(URichTextUtil.GetUnderLineVerts(lineRects[i], vertEndIndex, richText.GetUnderLineInfo()));
}
//添加的顶点数组
vHelper.AddUIVertexTriangleStream(output);
info.urlHrefInfo.m_tagTextRects.AddRange(lineRects);
info.urlHrefInfo.strHrefEvent = info.values[1].ToString();
return(true);
}