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SampleCsMobilePlaneUserData.cs
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SampleCsMobilePlaneUserData.cs
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using System;
using Rhino.DocObjects;
using Rhino.DocObjects.Custom;
using Rhino.FileIO;
using Rhino.Geometry;
namespace SampleCsMobilePlane
{
/// <summary>
/// SampleCsMobilePlaneUserData
/// </summary>
[System.Runtime.InteropServices.Guid("D91F19A1-A0C3-4062-B540-F724B5D9D777")]
public class SampleCsMobilePlaneUserData : UserData
{
#region Data members
public Plane Plane { get; set; }
public Guid ViewportId { get; set; }
public bool Enabled { get; set; }
#endregion
#region Userdata overrides
/// <summary>
/// Called when the object is being duplicated.
/// </summary>
protected override void OnDuplicate(UserData source)
{
if (source is SampleCsMobilePlaneUserData src)
{
Plane = src.Plane;
ViewportId = src.ViewportId;
Enabled = src.Enabled;
}
}
/// <summary>
/// Descriptive name of the user data.
/// </summary>
public override string Description => "Mobile Plane User Data";
/// <summary>
/// Return true to serialize to 3dm files.
/// </summary>
public override bool ShouldWrite => true;
/// <summary>
/// Reads the content of this data from a stream archive.
/// </summary>
protected override bool Read(BinaryArchiveReader archive)
{
archive.Read3dmChunkVersion(out var major, out var minor);
if (1 == major && 0 == minor)
{
Plane = archive.ReadPlane();
ViewportId = archive.ReadGuid();
Enabled = archive.ReadBool();
}
return !archive.ReadErrorOccured;
}
/// <summary>
/// Writes the content of this data to a stream archive.
/// </summary>
protected override bool Write(BinaryArchiveWriter archive)
{
archive.Write3dmChunkVersion(1, 0);
archive.WritePlane(Plane);
archive.WriteGuid(ViewportId);
archive.WriteBool(Enabled);
return !archive.WriteErrorOccured;
}
/// <summary>
/// Called when the object associated with this data is transformed.
/// </summary>
protected override void OnTransform(Transform xform)
{
base.OnTransform(xform);
var p = Plane;
p.Transform(xform);
Plane = p;
if (Enabled)
UpdateConstructionPlane();
}
#endregion
#region Public methods
/// <summary>
/// Update the view's construction plane.
/// </summary>
public void UpdateConstructionPlane()
{
var doc = Rhino.RhinoDoc.ActiveDoc;
if (null != doc)
{
var view = doc.Views.Find(ViewportId);
if (null != view)
{
view.ActiveViewport.SetConstructionPlane(Plane);
view.Redraw();
}
}
}
#endregion
#region Static helper methods
/// <summary>
/// Verifies a mobile plane is attached to a Rhino object.
/// </summary>
public static bool IsAttached(RhinoObject obj)
{
var rc = false;
if (null != obj)
{
var data = DataFromObject(obj);
rc = null != data;
}
return rc;
}
/// <summary>
/// Attaches a mobile plane to a Rhino object
/// </summary>
public static bool Attach(RhinoObject obj, Plane plane, Guid viewportId)
{
var rc = false;
if (null != obj)
{
var data = DataFromObject(obj);
if (null != data)
{
data.Plane = plane;
data.ViewportId = viewportId;
rc = true;
}
else
{
data = new SampleCsMobilePlaneUserData
{
Plane = plane,
ViewportId = viewportId,
Enabled = true
};
rc = obj.Geometry.UserData.Add(data);
}
}
return rc;
}
/// <summary>
/// Detaches a mobile plane from a Rhino object
/// </summary>
public static bool Detach(RhinoObject obj)
{
var rc = false;
if (null != obj)
{
var data = DataFromObject(obj);
if (null != data)
rc = obj.Geometry.UserData.Remove(data);
}
return rc;
}
/// <summary>
/// Returns the enabled state of a mobile plane.
/// </summary>
public static bool IsEnabled(RhinoObject obj)
{
var rc = false;
if (null != obj)
{
var data = DataFromObject(obj);
if (null != data)
rc = data.Enabled;
}
return rc;
}
/// <summary>
/// Enable mobile plane's dynamic construction plane update.
/// </summary>
public static bool Enable(RhinoObject obj, bool bEnable)
{
var rc = false;
if (null != obj)
{
var data = DataFromObject(obj);
if (null != data)
{
data.Enabled = bEnable;
rc = true;
}
}
return rc;
}
/// <summary>
/// Refreshes, or updates, the construction plane tracked by the mobile plane.
/// </summary>
public static bool Refresh(RhinoObject obj, bool bIgnoreEnabled)
{
var rc = false;
if (null != obj)
{
var data = DataFromObject(obj);
if (null != data)
{
if (bIgnoreEnabled || data.Enabled)
data.UpdateConstructionPlane();
rc = true;
}
}
return rc;
}
/// <summary>
/// Gets the mobile plane user data from a Rhino object
/// </summary>
public static SampleCsMobilePlaneUserData DataFromObject(RhinoObject obj)
{
SampleCsMobilePlaneUserData rc = null;
if (null != obj)
rc = obj.Geometry.UserData.Find(typeof(SampleCsMobilePlaneUserData)) as SampleCsMobilePlaneUserData;
return rc;
}
#endregion
}
}