//处理超链接的信息
private void DealHrefInfo(VertexHelper toFill)
{
if (_listHrefInfos.Count > 0)
{
// 处理超链接包围框
for (int i = 0; i < _listHrefInfos.Count; i++)
{
_listHrefInfos[i].Boxes.Clear();
if (_listHrefInfos[i].StartIndex >= toFill.currentVertCount)
{
continue;
}
toFill.PopulateUIVertex(ref _tempVertex, _listHrefInfos[i].StartIndex);
// 将超链接里面的文本顶点索引坐标加入到包围框
var pos = _tempVertex.position;
var bounds = new Bounds(pos, Vector3.zero);
for (int j = _listHrefInfos[i].StartIndex + 1; j < _listHrefInfos[i].EndIndex; j++)
{
if (j >= toFill.currentVertCount)
{
break;
}
toFill.PopulateUIVertex(ref _tempVertex, j);
pos = _tempVertex.position;
if (pos.x < bounds.min.x)
{
// 换行重新添加包围框
_listHrefInfos[i].Boxes.Add(new Rect(bounds.min, bounds.size));
bounds = new Bounds(pos, Vector3.zero);
}
else
{
bounds.Encapsulate(pos); // 扩展包围框
}
}
//添加包围盒
_listHrefInfos[i].Boxes.Add(new Rect(bounds.min, bounds.size));
}
//添加下划线
Vector2 extents = rectTransform.rect.size;
var settings = GetGenerationSettings(extents);
TextGenerator underlineText = Pool <TextGenerator> .Get();
underlineText.Populate("_", settings);
IList <UIVertex> tut = underlineText.verts;
for (int m = 0; m < _listHrefInfos.Count; m++)
{
for (int i = 0; i < _listHrefInfos[m].Boxes.Count; i++)
{
//计算下划线的位置
Vector3[] ulPos = new Vector3[4];
ulPos[0] = _listHrefInfos[m].Boxes[i].position + new Vector2(0.0f, fontSize * 0.2f);
ulPos[1] = ulPos[0] + new Vector3(_listHrefInfos[m].Boxes[i].width, 0.0f);
ulPos[2] = _listHrefInfos[m].Boxes[i].position + new Vector2(_listHrefInfos[m].Boxes[i].width, 0.0f);
ulPos[3] = _listHrefInfos[m].Boxes[i].position;
//绘制下划线
for (int j = 0; j < 4; j++)
{
m_TempVerts[j] = tut[j];
m_TempVerts[j].color = Color.blue;
m_TempVerts[j].position = ulPos[j];
if (j == 3)
{
toFill.AddUIVertexQuad(m_TempVerts);
}
}
}
}
//回收下划线的对象
Pool <TextGenerator> .Release(underlineText);
}
}
//根据正则规则更新文本
private string GetOutputText(string inputText)
{
//回收各种对象
ReleaseSpriteTageInfo();
ReleaseHrefInfos();
if (string.IsNullOrEmpty(inputText))
{
return("");
}
_textBuilder.Remove(0, _textBuilder.Length);
int textIndex = 0;
foreach (Match match in _inputTagRegex.Matches(inputText))
{
int tempId = 0;
if (!string.IsNullOrEmpty(match.Groups[1].Value) && !match.Groups[1].Value.Equals("-"))
{
tempId = int.Parse(match.Groups[1].Value);
}
string tempTag = match.Groups[2].Value;
//更新超链接
if (tempId < 0)
{
_textBuilder.Append(inputText.Substring(textIndex, match.Index - textIndex));
_textBuilder.Append("<color=blue>");
int startIndex = _textBuilder.Length * 4;
_textBuilder.Append("[" + match.Groups[2].Value + "]");
int endIndex = _textBuilder.Length * 4 - 1;
_textBuilder.Append("</color>");
var hrefInfo = Pool <HrefInfo> .Get();
hrefInfo.Id = Mathf.Abs(tempId);
hrefInfo.StartIndex = startIndex; // 超链接里的文本起始顶点索引
hrefInfo.EndIndex = endIndex;
hrefInfo.Name = match.Groups[2].Value;
hrefInfo.HrefValue = match.Groups[3].Value;
_listHrefInfos.Add(hrefInfo);
}
//更新表情
else
{
if (_inlineManager == null || !_inlineManager.IndexSpriteInfo.ContainsKey(tempId) ||
!_inlineManager.IndexSpriteInfo[tempId].ContainsKey(tempTag))
{
continue;
}
SpriteInforGroup tempGroup = _inlineManager.IndexSpriteInfo[tempId][tempTag];
_textBuilder.Append(inputText.Substring(textIndex, match.Index - textIndex));
int tempIndex = _textBuilder.Length * 4;
_textBuilder.Append(@"<quad size=" + tempGroup.Size + " width=" + tempGroup.Width + " />");
//清理标签
SpriteTagInfo tempSpriteTag = Pool <SpriteTagInfo> .Get();
tempSpriteTag.Index = tempIndex;
tempSpriteTag.Id = tempId;
tempSpriteTag.Tag = tempTag;
tempSpriteTag.Size = new Vector2(tempGroup.Size * tempGroup.Width, tempGroup.Size);
tempSpriteTag.UVs = tempGroup.ListSpriteInfor[0].Uv;
//添加正则表达式的信息
_spriteInfo.Add(tempSpriteTag);
}
textIndex = match.Index + match.Length;
}
_textBuilder.Append(inputText.Substring(textIndex, inputText.Length - textIndex));
return(_textBuilder.ToString());
}