public const char emSpace = '@';//'\u2001';☀@
/// <summary>
/// 检查字符串中的表情符,并替换位@符号
/// </summary>
/// <param name="str">源字符串</param>
/// <param name="list">所包含表情符列表</param>
/// <returns>替换后的额字符串</returns>
public static string CheckEmoji(string str, List <EmojiInfo> list)
{
if (str == "" | str == null)
{
return(str);
}
StringBuilder sb = new StringBuilder();
char[] cc = str.ToCharArray();
int i = 0;
int len = cc.Length;
int pos = 0;
while (i < len)
{
char c = cc[i];
UInt16 v = (UInt16)c;
if (v < 0x8cff)
{
if (v >= 0x2600 & v <= 0x27bf)
{
var pst = new EmojiInfo();
pst.chr = new string(c, 1);
pst.uv = new Vector2[4];
FindEmoji(cc, i, pst.uv);
pst.pos = pos;
list.Add(pst);
sb.Append(emSpace);
}
else
{
sb.Append(c);
}
i++;
}
else
{
var pst = new EmojiInfo();
pst.pos = pos;
pst.uv = new Vector2[4];
int a = FindEmoji(cc, i, pst.uv);
if (a > 0)
{
pst.chr = new string(cc, i, a);
i += a;
list.Add(pst);
sb.Append(emSpace);
}
else
{
i++;
sb.Append(c);
}
}
pos++;
}
return(sb.ToString());
}
/// <summary>
/// 创建带有表情符的网格
/// </summary>
/// <param name="text"></param>
protected static void CreateEmojiMesh(HText text)
{
if (text.TmpVerts.DataCount == 0)
{
text.vertInfo.DataCount = 0;
text.trisInfo.DataCount = 0;
text.trisInfo2.DataCount = 0;
return;
}
bufferA.Clear();
bufferB.Clear();
var emojis = text.emojiString.emojis;
var str = text.emojiString.FilterString;
var verts = text.TmpVerts;
int c = verts.DataCount;
text.tris = null;
if (text.vertInfo.Size == 0)
{
text.vertInfo = VertexBuffer.RegNew(c);
}
else
if (text.vertInfo.Size <c | text.vertInfo.Size> c + 32)
{
text.vertInfo.Release();
text.vertInfo = VertexBuffer.RegNew(c);
}
var emoji = text.emojiString;
EmojiInfo info = null;
if (emoji.emojis.Count > 0)
{
info = emoji.emojis[0];
}
int index = 0;
int e = c / 4;
int ac = 0;
Color32 col = Color.white;
unsafe
{
HVertex * hv = text.vertInfo.Addr;
TextVertex *src = verts.Addr;
for (int i = 0; i < e; i++)
{
int s = i * 4;
int ss = ac;
int ti = src[s].Index;
for (int j = 0; j < 4; j++)
{
hv[ss].position = src[s].position;
hv[ss].color = src[s].color;
hv[ss].uv = src[s].uv;
hv[ss].uv4.x = 1;
hv[ss].uv4.y = 1;
hv[ss].picture = 0;
s++;
ss++;
}
if (info != null)
{
if (ti > info.pos)
{
info = null;
for (int j = index; j < emoji.emojis.Count; j++)
{
if (emoji.emojis[j].pos >= ti)
{
index = j;
info = emoji.emojis[j];
break;
}
}
}
ss = ac;
if (info != null)
{
if (ti == info.pos)
{
AddTris(bufferB, ac);
hv[ss].uv = info.uv[0];
hv[ss].color = col;
hv[ss].picture = 1;
ss++;
hv[ss].uv = info.uv[1];
hv[ss].color = col;
hv[ss].picture = 1;
ss++;
hv[ss].uv = info.uv[2];
hv[ss].color = col;
hv[ss].picture = 1;
ss++;
hv[ss].uv = info.uv[3];
hv[ss].color = col;
hv[ss].picture = 1;
}
else
{
AddTris(bufferA, ac);
}
}
else
{
AddTris(bufferA, ac);
}
}
else
{
AddTris(bufferA, ac);
}
ac += 4;
}
}
text.vertInfo.DataCount = ac;
ApplyTris(text);
}