void GenerateText()
{
bool regenText = isTextDirty || lastExtents != rectTransform.rect.size;
if (isTextDirty)
{
isTextDirty = false;
if (m_hrefText == null)
{
m_hrefText = new HrefText();
}
if (info.OriginalText != originalText)
{
m_hrefText.getHrefList.Clear();
string m_outText = m_hrefText.getResolveText(originalText);
if (m_ImageFont)
{
info = m_ImageFont.ReplaceText(m_outText, imageSize);
}
else
{
return;
}
}
m_Text = info.ReplacedText;
}
if (info.Symbols == null)
{
return;
}
if (regenText)
{
lastExtents = rectTransform.rect.size;
List <UIVertex> textVertList = null;
if (!isPureEmoji || IgnoreVertexCache || vertCache == null || !vertCache.TryGetValue(info.Symbols.Length, out textVertList))
{
textVertList = new List <UIVertex>();
OnTextFillVBO(textVertList);
// 处理超链接包含的点击区域
foreach (var hrefInfo in m_hrefText.getHrefList)
{
hrefInfo.boxes.Clear();
if (hrefInfo.startIndex >= textVertList.Count)
{
continue;
}
// 将超链接里面的文本顶点索引坐标加入到点击区域内
var pos = textVertList[hrefInfo.startIndex];
var bounds = new Bounds(pos.position, Vector3.zero);
for (int i = hrefInfo.startIndex, m = hrefInfo.endIndex; i < m; i++)
{
if (i >= textVertList.Count)
{
break;
}
pos = textVertList[i];
if (pos.position.x < bounds.min.x) // 换行重新添加点击区域
{
hrefInfo.boxes.Add(new Rect(bounds.min, bounds.size));
bounds = new Bounds(pos.position, Vector3.zero);
}
else
{
bounds.Encapsulate(pos.position); //再次扩展范围
}
}
hrefInfo.boxes.Add(new Rect(bounds.min, bounds.size));
}
if (isPureEmoji && !IgnoreVertexCache)
{
if (vertCache == null)
{
vertCache = new Dictionary <int, List <UIVertex> >();
}
vertCache[info.Symbols.Length] = textVertList;
}
}
Vector3 offset = new Vector3(0, -fontSize / 4f, 0);
int newIdx = 0;
int skip = 0;
#if !UNITY_5_2
int totalSkip = 0;
#endif
SymbolSpriteInfo lastSprite = default(SymbolSpriteInfo);
int counter = 0;
bool isLastSkip = false;
vertImg.Clear();
vertTxt.Clear();
for (int i = 0; i < textVertList.Count; i++)
{
if (skip > 0)
{
#if UNITY_5_2
if (skip <= 4 && skip > 0)
#else
int processed = totalSkip - skip;
if (processed < 4)
#endif
{
UIVertex vert = new UIVertex();
UIVertex old = textVertList[i];
#if UNITY_5_2
int idx = 4 - skip;
#else
int idx = processed;
#endif
vert.position = old.position + offset;
vert.uv0 = lastSprite.UV[idx];
vert.normal = old.normal;
vert.tangent = old.tangent;
Color32 col = new Color32(255, 255, 255, 255);
col.a = old.color.a;
vert.color = col;
vertImg.Add(vert);
/*m_TempVerts[idx] = vert;
* if (idx == 3)
* {
* vhImg.AddUIVertexQuad(m_TempVerts);
* }*/
counter++;
}
skip--;
continue;
}
if (newIdx < info.Symbols.Length)
{
int idx = counter / 4;
lastSprite = info.Symbols[newIdx];
if (idx == lastSprite.Index)
{
#if UNITY_5_2
skip = info.ReplacedSpriteLength * 4 - 1;
#else
totalSkip = info.ReplacedSpriteLength * 4;
i--;
skip = totalSkip;
#endif
newIdx++;
continue;
}
}
int tmpIdx = counter % 4;
if (tmpIdx == 0)
{
//filter junk vertices
if (textVertList[i].position == textVertList[i + 1].position)
{
isLastSkip = true;
}
else
{
isLastSkip = false;
}
}
if (!isLastSkip)
{
vertTxt.Add(textVertList[i]);
}
/*m_TempVerts[tmpIdx] = textVertList[i];
* if (tmpIdx == 3)
* {
* if (_toFill != null)
* {
* _toFill.AddUIVertexQuad(m_TempVerts);
* }
* }*/
counter++;
}
}
else
{
Color32 col = color;
for (int i = 0; i < vertImg.size; i++)
{
var vert = vertImg[i];
vert.color = new Color32(255, 255, 255, col.a);
vertImg[i] = vert;
}
for (int i = 0; i < vertTxt.size; i++)
{
var vert = vertTxt[i];
vert.color = col;
vertTxt[i] = vert;
}
}
if (_toFill != null)
{
FillUIQuad(_toFill, vertTxt);
}
if (m_CachedInputRenderer)
{
m_CachedInputRenderer.ImageVertices = vertImg;
}
}
public ReplacementInfo ReplaceText(string text, float imgSize = 0f)
{
if (needRebuild || rootNode == null)
{
RebuildMapping();
}
ReplacementInfo res = new ReplacementInfo();
res.OriginalText = text;
List <DirtyWordNode> replacement;
text.ReplaceDirtWord(rootNode, out replacement);
System.Text.StringBuilder sb = new System.Text.StringBuilder();
res.Symbols = new SymbolSpriteInfo[replacement.Count];
int curIdx = 0;
int newIdx = 0;
int appendLength = 0;
int idx = 0;
foreach (var i in replacement)
{
SymbolSpriteInfo info = new SymbolSpriteInfo();
sb.Append(text.Substring(curIdx, i.Index - curIdx));
int prefixLength = 0;
if (imgSize != 0)
{
int b = sb.Length;
sb.Append("<size=");
sb.Append(imgSize);
sb.Append('>');
prefixLength = sb.Length - b;
}
appendLength += prefixLength;
newIdx += i.Index - curIdx + prefixLength;
info.Index = newIdx;
newIdx++;
Sprite sp = mapping[i.Word];
info.UV = CalcUV(sp);
Rect r = sp.rect;
float ratio = r.width / r.height;
string rep = string.Format("<quad width={0:0.00}>", ratio);
res.ReplacedSpriteLength = rep.Length;
sb.Append(rep);
curIdx = i.Index + i.Word.Length;
res.Symbols[idx++] = info;
if (imgSize != 0)
{
sb.Append("</size>");
appendLength += 7;
newIdx += 7;
}
}
sb.Append(text.Substring(curIdx));
res.ReplacedText = sb.ToString();
return(res);
}
