public MeshMesh resovleMesh()
{
if (this._resolved)
{
return(this._mesh);
}
this._resolved = true;
var style = this._textBlob.style;
var fontInfo = FontManager.instance.getOrCreate(style.fontFamily, style.fontWeight, style.fontStyle);
var key = new MeshKey(this._textBlob.instanceId, this._scale);
_meshes.TryGetValue(key, out var meshInfo);
if (meshInfo != null && meshInfo.textureVersion == fontInfo.textureVersion)
{
meshInfo.touch();
this._mesh = meshInfo.mesh.transform(this._transform);
return(this._mesh);
}
var font = fontInfo.font;
var length = this._textBlob.textSize;
var text = this._textBlob.text;
var fontSizeToLoad = Mathf.CeilToInt(style.UnityFontSize * this._scale);
var vertices = new List <Vector3>(length * 4);
var triangles = new List <int>(length * 6);
var uv = new List <Vector2>(length * 4);
for (int charIndex = 0; charIndex < length; ++charIndex)
{
var ch = text[charIndex + this._textBlob.textOffset];
// first char as origin for mesh position
var position = this._textBlob.positions[charIndex];
if (LayoutUtils.isWordSpace(ch) || LayoutUtils.isLineEndSpace(ch) || ch == '\t')
{
continue;
}
CharacterInfo charInfo = font.getCharacterInfo(ch, fontSizeToLoad, style.UnityFontStyle);
var minX = charInfo.minX / this._scale;
var maxX = charInfo.maxX / this._scale;
var minY = charInfo.minY / this._scale;
var maxY = charInfo.maxY / this._scale;
var baseIndex = vertices.Count;
vertices.Add(new Vector3((position.x + minX), (position.y - maxY), 0));
vertices.Add(new Vector3((position.x + maxX), (position.y - maxY), 0));
vertices.Add(new Vector3((position.x + maxX), (position.y - minY), 0));
vertices.Add(new Vector3((position.x + minX), (position.y - minY), 0));
triangles.Add(baseIndex);
triangles.Add(baseIndex + 1);
triangles.Add(baseIndex + 2);
triangles.Add(baseIndex);
triangles.Add(baseIndex + 2);
triangles.Add(baseIndex + 3);
uv.Add(charInfo.uvTopLeft);
uv.Add(charInfo.uvTopRight);
uv.Add(charInfo.uvBottomRight);
uv.Add(charInfo.uvBottomLeft);
}
if (vertices.Count == 0)
{
this._mesh = null;
return(null);
}
MeshMesh mesh = vertices.Count > 0 ? new MeshMesh(null, vertices, triangles, uv) : null;
_meshes[key] = new MeshInfo(key, mesh, fontInfo.textureVersion);
this._mesh = mesh.transform(this._transform);
return(this._mesh);
}
public uiMeshMesh resolveMesh()
{
if (this._resolved)
{
return(this._mesh);
}
this._resolved = true;
var style = this.textBlob.Value.style;
var text = this.textBlob.Value.text;
var key = MeshKey.create(this.textBlob.Value.instanceId, this.scale);
var fontInfo = FontManager.instance.getOrCreate(style.fontFamily, style.fontWeight, style.fontStyle);
var font = fontInfo.font;
_meshes.TryGetValue(key, out var meshInfo);
if (meshInfo != null && meshInfo.textureVersion == fontInfo.textureVersion)
{
ObjectPool <MeshKey> .release(key);
meshInfo.touch();
this._mesh = meshInfo.mesh.transform(this.matrix);
return(this._mesh);
}
// Handling Emoji
char startingChar = text[this.textBlob.Value.textOffset];
if (char.IsHighSurrogate(startingChar) || EmojiUtils.isSingleCharEmoji(startingChar))
{
var vert = ObjectPool <uiList <Vector3> > .alloc();
var tri = ObjectPool <uiList <int> > .alloc();
var uvCoord = ObjectPool <uiList <Vector2> > .alloc();
var metrics = FontMetrics.fromFont(font, style.UnityFontSize);
var minMaxRect = EmojiUtils.getMinMaxRect(style.fontSize, metrics.ascent, metrics.descent);
var minX = minMaxRect.left;
var maxX = minMaxRect.right;
var minY = minMaxRect.top;
var maxY = minMaxRect.bottom;
for (int i = 0; i < this.textBlob.Value.textSize; i++)
{
char a = text[this.textBlob.Value.textOffset + i];
int code = a;
if (char.IsHighSurrogate(a))
{
D.assert(i + 1 < this.textBlob.Value.textSize);
D.assert(this.textBlob.Value.textOffset + i + 1 < this.textBlob.Value.text.Length);
char b = text[this.textBlob.Value.textOffset + i + 1];
D.assert(char.IsLowSurrogate(b));
code = char.ConvertToUtf32(a, b);
}
else if (char.IsLowSurrogate(a) || EmojiUtils.isEmptyEmoji(a))
{
continue;
}
var uvRect = EmojiUtils.getUVRect(code);
var positionX = this.textBlob.Value.getPositionX(i);
int baseIndex = vert.Count;
vert.Add(new Vector3(positionX + minX, minY, 0));
vert.Add(new Vector3(positionX + maxX, minY, 0));
vert.Add(new Vector3(positionX + maxX, maxY, 0));
vert.Add(new Vector3(positionX + minX, maxY, 0));
tri.Add(baseIndex);
tri.Add(baseIndex + 1);
tri.Add(baseIndex + 2);
tri.Add(baseIndex);
tri.Add(baseIndex + 2);
tri.Add(baseIndex + 3);
uvCoord.Add(uvRect.bottomLeft.toVector());
uvCoord.Add(uvRect.bottomRight.toVector());
uvCoord.Add(uvRect.topRight.toVector());
uvCoord.Add(uvRect.topLeft.toVector());
if (char.IsHighSurrogate(a))
{
i++;
}
}
uiMeshMesh meshMesh = uiMeshMesh.create(null, vert, tri, uvCoord);
if (_meshes.ContainsKey(key))
{
ObjectPool <MeshInfo> .release(_meshes[key]);
_meshes.Remove(key);
}
_meshes[key] = MeshInfo.create(key, meshMesh, 0);
this._mesh = meshMesh.transform(this.matrix);
return(this._mesh);
}
var length = this.textBlob.Value.textSize;
var fontSizeToLoad = Mathf.CeilToInt(style.UnityFontSize * this.scale);
var vertices = ObjectPool <uiList <Vector3> > .alloc();
vertices.SetCapacity(length * 4);
var triangles = ObjectPool <uiList <int> > .alloc();
triangles.SetCapacity(length * 6);
var uv = ObjectPool <uiList <Vector2> > .alloc();
uv.SetCapacity(length * 4);
for (int charIndex = 0; charIndex < length; ++charIndex)
{
var ch = text[charIndex + this.textBlob.Value.textOffset];
// first char as origin for mesh position
var positionX = this.textBlob.Value.getPositionX(charIndex);
if (LayoutUtils.isWordSpace(ch) || LayoutUtils.isLineEndSpace(ch) || ch == '\t')
{
continue;
}
if (fontSizeToLoad == 0)
{
continue;
}
font.getGlyphInfo(ch, out var glyphInfo, fontSizeToLoad, style.UnityFontStyle);
var minX = glyphInfo.minX / this.scale;
var maxX = glyphInfo.maxX / this.scale;
var minY = -glyphInfo.maxY / this.scale;
var maxY = -glyphInfo.minY / this.scale;
var baseIndex = vertices.Count;
vertices.Add(new Vector3(positionX + minX, minY, 0));
vertices.Add(new Vector3(positionX + maxX, minY, 0));
vertices.Add(new Vector3(positionX + maxX, maxY, 0));
vertices.Add(new Vector3(positionX + minX, maxY, 0));
triangles.Add(baseIndex);
triangles.Add(baseIndex + 1);
triangles.Add(baseIndex + 2);
triangles.Add(baseIndex);
triangles.Add(baseIndex + 2);
triangles.Add(baseIndex + 3);
uv.Add(glyphInfo.uvTopLeft);
uv.Add(glyphInfo.uvTopRight);
uv.Add(glyphInfo.uvBottomRight);
uv.Add(glyphInfo.uvBottomLeft);
}
if (vertices.Count == 0)
{
this._mesh = null;
ObjectPool <uiList <Vector3> > .release(vertices);
ObjectPool <uiList <Vector2> > .release(uv);
ObjectPool <uiList <int> > .release(triangles);
ObjectPool <MeshKey> .release(key);
return(null);
}
uiMeshMesh mesh = vertices.Count > 0 ? uiMeshMesh.create(null, vertices, triangles, uv) : null;
if (_meshes.ContainsKey(key))
{
ObjectPool <MeshInfo> .release(_meshes[key]);
_meshes.Remove(key);
}
_meshes[key] = MeshInfo.create(key, mesh, fontInfo.textureVersion);
this._mesh = mesh.transform(this.matrix);
return(this._mesh);
}
public static MeshMesh generateMesh(TextBlob textBlob, float scale)
{
var style = textBlob.style;
var fontInfo = FontManager.instance.getOrCreate(style.fontFamily);
var key = new MeshKey(textBlob.instanceId, scale);
_meshes.TryGetValue(key, out var meshInfo);
if (meshInfo != null && meshInfo.textureVersion == fontInfo.textureVersion)
{
meshInfo.touch();
return(meshInfo.mesh);
}
var font = fontInfo.font;
var length = textBlob.textSize;
var text = textBlob.text;
var fontSizeToLoad = Mathf.CeilToInt(style.UnityFontSize * scale);
var subText = textBlob.text.Substring(textBlob.textOffset, textBlob.textSize);
font.RequestCharactersInTexture(subText, fontSizeToLoad, style.UnityFontStyle);
var vertices = new List <Vector3>(length * 4);
var triangles = new List <int>(length * 6);
var uv = new List <Vector2>(length * 4);
for (int charIndex = 0; charIndex < length; ++charIndex)
{
var ch = text[charIndex + textBlob.textOffset];
// first char as origin for mesh position
var position = textBlob.positions[charIndex];
if (LayoutUtils.isWordSpace(ch) || LayoutUtils.isLineEndSpace(ch) || ch == '\t')
{
continue;
}
CharacterInfo charInfo;
font.GetCharacterInfo(ch, out charInfo, fontSizeToLoad, style.UnityFontStyle);
var minX = charInfo.minX / scale;
var maxX = charInfo.maxX / scale;
var minY = charInfo.minY / scale;
var maxY = charInfo.maxY / scale;
var baseIndex = vertices.Count;
vertices.Add(new Vector3((float)(position.x + minX), (float)(position.y - maxY), 0));
vertices.Add(new Vector3((float)(position.x + maxX), (float)(position.y - maxY), 0));
vertices.Add(new Vector3((float)(position.x + maxX), (float)(position.y - minY), 0));
vertices.Add(new Vector3((float)(position.x + minX), (float)(position.y - minY), 0));
triangles.Add(baseIndex);
triangles.Add(baseIndex + 1);
triangles.Add(baseIndex + 2);
triangles.Add(baseIndex);
triangles.Add(baseIndex + 2);
triangles.Add(baseIndex + 3);
uv.Add(charInfo.uvTopLeft);
uv.Add(charInfo.uvTopRight);
uv.Add(charInfo.uvBottomRight);
uv.Add(charInfo.uvBottomLeft);
}
if (vertices.Count == 0)
{
return(null);
}
MeshMesh mesh = vertices.Count > 0 ? new MeshMesh(null, vertices, triangles, uv) : null;
_meshes[key] = new MeshInfo(key, mesh, fontInfo.textureVersion);
return(mesh);
}