public BlockReference GetRedirectBlockReferenceCopy(BlockReference br, Point3d directionPoint)
{
using (Transaction trans = Tools.StartTransaction())
{
br = (BlockReference)br.Id.GetObject(OpenMode.ForRead, true, true);
double ang = 0d;
if (Mode == DirectionMode.Horizontal)
{
ang = br.BlockTransform.CoordinateSystem3d.Xaxis.GetAngleTo(br.Position.GetVectorTo(directionPoint));
}
else
{
ang = br.BlockTransform.CoordinateSystem3d.Yaxis.GetAngleTo(br.Position.GetVectorTo(directionPoint));
}
Polyline arrow = (Polyline)this.ArrowLine.Clone();
arrow.AddVertexAt(0, this.Origin);
arrow.AddVertexAt(4, new Point3d(
arrow.EndPoint.X + arrow.GetFirstDerivative(0d).X *defSpaceLength,
arrow.EndPoint.Y + arrow.GetFirstDerivative(0d).Y *defSpaceLength,
arrow.EndPoint.Z));
arrow.TransformBy(br.BlockTransform);
if (Math.Abs(ang) > Math.PI / 2d)
{
Matrix3d mat;
if (this.Mode == DirectionMode.Horizontal)
{
Vector3d vector;
if (br.BlockTransform.CoordinateSystem3d.Xaxis.X >= 0)
{
vector = br.Position - arrow.EndPoint;
}
else
{
vector = arrow.EndPoint - br.Position;
}
mat = Matrix3d.Displacement(vector.MultiplyBy(br.BlockTransform.CoordinateSystem3d.Xaxis.X));
}
else
{
Vector3d vector;
if (br.BlockTransform.CoordinateSystem3d.Yaxis.Y >= 0)
{
vector = br.Position - arrow.EndPoint;
}
else
{
vector = arrow.EndPoint - br.Position;
}
mat = Matrix3d.Displacement(vector.MultiplyBy(br.BlockTransform.CoordinateSystem3d.Yaxis.Y));
}
//var anBr = br.GetAnonymClone(br.Position.TransformBy(mat)).GetObjectForWrite<BlockReference>();
//br = (BlockReference)anBr.Clone();
//anBr.Erase(true);
//br.InnerTransform(mat);
//return (BlockReference)br.GetTransformedCopy(mat);
return((BlockReference)br.InnerTransform2(mat));
}
else
{
return(null);
}
}
}