internal unsafe override void Use(Camera sender)
{
if (!this.Enabled || (this.WObject.Layer & sender.RenderLayers) == 0 || Deleted || Label == null || Material == null || Label.Text == null)
{
return;
}
Matrix4D transform;
Quaternion rot = this.WObject.Rotation;
Vector3D extents = this.Label.GlobalScale / 2.0D;
Vector3D middle = this.Label.GlobalPosition;
double fontSize = Label.FontSize;
if (Label.AutoSize)
{
fontSize = WMath.Min((extents.Y * 2.0D) / Label.Lines.Length, double.PositiveInfinity); //todo: min between max height and max width
}
double wordSpace = (Label.WordSpace * fontSize);
double lineSpace = (Label.LineSpace * fontSize) / (Label.Lines.Length * 0.5D);
double totalYSize = Label.LineSpace * fontSize * Label.Lines.Length;
int xDir = 0, yDir = 0;
if (Label.Aligns.HasFlag(TextAligns.Left))
{
xDir += 1;
}
if (Label.Aligns.HasFlag(TextAligns.Right))
{
xDir -= 1;
}
if (Label.Aligns.HasFlag(TextAligns.Up))
{
yDir -= 1;
}
if (Label.Aligns.HasFlag(TextAligns.Down))
{
yDir += 1;
}
double dst = Label.ShadowDistance;
dst *= fontSize;
Vector3D globalShift = new Vector3D(-dst, -dst, Label.Depth);
Color256 shadColr = Label.Color * 0.33D;
Color256 col = new Color256(shadColr.R, shadColr.G, shadColr.B, 0.75D);
int dummy = 0;
Material.MaterialData matData = this.Material._Data.Where(d => d.Name == "transform").FirstOrDefault();
if (matData == null)
{
return;
}
bool doRotate = Label.Rotation != 0.0D;
Quaternion labelRotation = new Quaternion(Vector3D.Forward, Label.Rotation);
void RenderLabel()
{
this.Material.Use(sender);
int count = 0;
for (int i = 0; i < this.Label.Lines.Length; i++)
{
string str = this.Label.Lines[i];
Glyph[] glyphs = Label.FontFamilly.Glyphs[str];
Mesh[] meshes = Label.FontFamilly.Glyphs.GetMeshes(str);
double lineXSize = 0.0D;
for (int j = 0; j < glyphs.Length; j++)
{
if (str[j] == ' ')
{
lineXSize += wordSpace;
continue;
}
double glyphratio = (double)glyphs[j].Width / (double)glyphs[j].Height;
lineXSize += glyphratio * fontSize;
}
double lineXStartPos, lineYPos;
if (xDir == 1)
{
lineXStartPos = extents.X; // left: -extents x
}
else if (xDir == -1)
{
lineXStartPos = -extents.X + lineXSize; //right: starts at extents x
}
else
{
lineXStartPos = lineXSize / 2.0F; //center: starts at -half x size
}
if (yDir == -1)
{
lineYPos = extents.Y - fontSize * (i + 1);
}
else if (yDir == 1)
{
lineYPos = -extents.Y + fontSize * ((this.Label.Lines.Length - 1) - i);
}
else
{
lineYPos = WMath.Remap((1.0D - (((double)i + 1) / ((double)this.Label.Lines.Length))), 0.0D, 1.0D, -totalYSize * 0.5D, totalYSize * 0.5D);
}
double shiftX = 0.0D;
/*if (xDir == 1) shiftX = 0.0F;
* else if (xDir == -1) shiftX = (extents.X * 2.0F) - */
Vector3F trans;
void Render(int index)
{
trans = new Vector3D(middle.X + lineXStartPos - shiftX, middle.Y + lineYPos, middle.Z) + globalShift;
Quaternion rotation = rot;
if (doRotate)
{
rotation *= labelRotation;
trans = trans.RotateAround(middle, labelRotation);
}
transform =
new Matrix4D(new Vector3D(fontSize), true) *
new Matrix4D(rotation) *
new Matrix4D(trans, false) *
Matrix4D.Identity *
/*(Matrix4.CreateScale(fontSize, fontSize, fontSize) *
* Matrix4.CreateFromQuaternion(new OpenTK.Quaternion((float)rot.X, (float)rot.Y, (float)rot.Z, (float)rot.W)) *
* Matrix4.CreateTranslation(trans.X, trans.Y, trans.Z) *
* Matrix4.Identity) **/
sender.ViewMatrix * sender.ProjectionMatrix;
GL.BindVertexArray(meshes[index].VertexArrayObject);
GL.BindBuffer(BufferTarget.ArrayBuffer, meshes[index].VertexBufferObject);
//matData.Data = transform;
//this.Material.SetData<Matrix4>("transform", transform);
//this.Material.SetGLData(ref matData, ref dummy);
this.Material.SetMatrix4(matData.Location, (Matrix4)transform);
this.Material.Shader.Use();
GL.Disable(EnableCap.DepthTest);
GL.DrawElements((Wireframe | Global_Wireframe) ? PrimitiveType.LineLoop : PrimitiveType.Triangles, (int)meshes[index].Indices, DrawElementsType.UnsignedInt, 0);
}
for (int j = 0; j < glyphs.Length; j++)
{
if (str[j] == ' ')
{
shiftX += wordSpace;
continue;
}
float glyphratio = (float)glyphs[j].Width / (float)glyphs[j].Height;
shiftX += glyphratio * fontSize;
Render(j);
}
}
//GL.MultiDrawElementsIndirect((Wireframe | Global_Wireframe) ? PrimitiveType.LineLoop : PrimitiveType.Triangles, DrawElementsType.UnsignedInt, , , Shader.Size);
//GL.DrawElementsInstanced((Wireframe | Global_Wireframe) ? PrimitiveType.LineLoop : PrimitiveType.Triangles, count, DrawElementsType.UnsignedInt, , 0);
}
if (Label.Shadows)
{
this.Material.SetData <OpenTK.Vector4>("color", col);
RenderLabel();
}
globalShift = new Vector3F(0.0F, 0.0F, (float)Label.Depth);
col = Label.Color;
this.Material.SetData <OpenTK.Vector4>("color", col);
RenderLabel();
_previousText = Label.Text;
}