static void AddVertex(float lx, float rx, float dy, float ty, ref HVertex vertex, ref CharacterInfoEx info)
{
vertex.position.x = lx;
vertex.position.y = dy;
vertex.uv = info.info.uvBottomLeft;
vertices.Add(vertex);
vertex.position.x = lx;
vertex.position.y = ty;
vertex.uv = info.info.uvTopLeft;
vertices.Add(vertex);
vertex.position.x = rx;
vertex.position.y = ty;
vertex.uv = info.info.uvTopRight;
vertices.Add(vertex);
vertex.position.x = rx;
vertex.position.y = dy;
vertex.uv = info.info.uvBottomRight;
vertices.Add(vertex);
}
/// <summary>
/// 刷新顶点
/// </summary>
public void Refresh()
{
if (FontSize <= 0)
{
return;
}
if (text == null)
{
return;
}
float line = FontSize * 1.25f;
var size = SizeDelta;
float endx = size.x * 0.5f;
float startx = -endx;
float starty = size.y * 0.5f;
float endy = -starty;
char[] tmp = text.ToArray();
vert = new List <HVertex>();
tri = new List <int>();
float dx = GetLineStart(tmp, 0, size.x);
float dy = starty;
for (int i = 0; i < tmp.Length; i++)
{
var c = tmp[i];
if (buffer.ContainsKey(c))
{
UVRect uv = buffer[c];
float w = uv.Scale.x * FontSize;
float h = uv.Scale.y * FontSize;
label :;
float x0 = dx;
float y0 = dy - h;
float x1 = dx + w;
float y1 = dy;
if (y0 < endy)
{
break;
}
if (x1 > endx)
{
dy -= line;
dx = GetLineStart(tmp, i, size.x);
goto label;
}
int start = vert.Count;
var v = new HVertex();
v.position.x = x0;
v.position.y = y0;
v.uv = uv.uv0;
vert.Add(v);
v.position.x = x0;
v.position.y = y1;
v.uv = uv.uv1;
vert.Add(v);
v.position.x = x1;
v.position.y = y0;
v.uv = uv.uv2;
vert.Add(v);
v.position.x = x1;
v.position.y = y1;
v.uv = uv.uv3;
vert.Add(v);
tri.Add(start);
tri.Add(start + 1);
tri.Add(start + 2);
tri.Add(start + 2);
tri.Add(start + 1);
tri.Add(start + 3);
dx += w;
}
}
}
static void CreateEmojiMesh(HText text)
{
if (text.verts == null)
{
return;
}
bufferA.Clear();
bufferB.Clear();
var emojis = text.emojiString.emojis;
var str = text.emojiString.FilterString;
var verts = text.verts;
int c = verts.Length;
if (c == 0)
{
text.vertices = null;
text.tris = null;
return;
}
HVertex[] hv = new HVertex[c];
int e = c / 4;
for (int i = 0; i < c; i++)
{
hv[i].position = verts[i].position;
hv[i].color = verts[i].color;
hv[i].uv = verts[i].uv0;
hv[i].uv4.x = 1;
hv[i].uv4.y = 1;
}
if (emojis.Count > 0)
{
var info = emojis[0];
Color col = Color.white;
int p = 0;
int si = 0;
int len = str.Length;
for (int i = 0; i < len; i++)
{
bool yes = true;
for (int j = 0; j < key_noMesh.Length; j++)
{
if (key_noMesh[j] == str[i])
{
yes = false;
break;
}
}
if (yes)
{
if (i == info.pos)
{
int o = p * 4;
hv[o].uv = info.uv[0];
hv[o].color = col;
hv[o].picture = 1;
o++;
hv[o].uv = info.uv[1];
hv[o].color = col;
hv[o].picture = 1;
o++;
hv[o].uv = info.uv[2];
hv[o].color = col;
hv[o].picture = 1;
o++;
hv[o].uv = info.uv[3];
hv[o].color = col;
hv[o].picture = 1;
si++;
if (si < emojis.Count)
{
info = emojis[si];
}
int s = p * 4;
bufferB.Add(s);
bufferB.Add(s + 1);
bufferB.Add(s + 2);
bufferB.Add(s + 2);
bufferB.Add(s + 3);
bufferB.Add(s);
}
else
{
int s = p * 4;
bufferA.Add(s);
bufferA.Add(s + 1);
bufferA.Add(s + 2);
bufferA.Add(s + 2);
bufferA.Add(s + 3);
bufferA.Add(s);
}
p++;
if (p >= e)
{
break;
}
}
}
if (bufferB.Count > 0)
{
if (text.subTris == null)
{
text.subTris = new int[2][];
}
text.subTris[0] = bufferA.ToArray();
text.subTris[1] = bufferB.ToArray();
text.tris = null;
}
else
{
text.tris = bufferA.ToArray();
text.subTris = null;
}
}
else
{
text.tris = CreateTri(c);
text.subTris = null;
}
text.vertices = hv;
}
static void LayoutLine(int index, float startX, float startY)
{
var line = lineInfos[index];
lineInfos[index].topY = startY;
float down = lineInfos[index].downY = startY - line.High;
float sy = down + line.minY + 0.24f * line.High;
float sx = startX;
HVertex vertex = new HVertex();
for (int i = line.CharStart; i <= line.CharEnd; i++)
{
var ci = characters[i];
float sw = ci.info.glyphWidth;
float rx = sw * 0.5f;
float cx = ci.info.minX + rx;
rx *= 0.95f;//给光标留间隙
float lx = -rx;
lx += sx + cx;
rx += sx + cx;
if (ci.type > -2)//有网格
{
int c = vertices.Count;
vertex.uv4.x = 1;
vertex.uv4.y = 1;
if (ci.type == -1)//表情符
{
vertex.picture = 1;
vertex.fillColor = 0.2f;
AddTris(Triangle2, c);
}
else if (ci.type == 1)//自定义字符
{
vertex.picture = 2;
vertex.fillColor = 0.2f;
AddTris(Triangle3, c);
}
else
{
vertex.picture = 0;
vertex.fillColor = 0.1f;
AddTris(Triangle1, c);
}
vertex.color = ci.color;
float dy = ci.info.minY - line.minY;
float ty = ci.info.maxY - line.minY;
ty *= 0.95f;
dy *= 0.95f;
ty += sy;
dy += sy;
characters[i].VertexIndex = vertices.Count / 4;
AddVertex(lx, rx, dy, ty, ref vertex, ref ci);
sx += ci.info.advance;
}
else
{
sx += ci.info.advance;
characters[i].VertexIndex = -1;
}
characters[i].Left = lx;
characters[i].Right = rx;
characters[i].Center = (rx - lx) * 0.5f + lx;
}
lineInfos[index].Left = startX;
lineInfos[index].Right = sx;
}