private void ShowObjectInfo()
{
OverviewListBox.Items.Clear();
if (_rootMesh == null)
{
TriangleIndicesTextBox.Text = "";
PositionsTextBox.Text = "";
NormalsTextBox.Text = "";
TextureCoordinatesTextBox.Text = "";
XamlTextBox.Text = "";
}
else
{
StringBuilder sb;
OverviewListBox.BeginInit();
sb = new StringBuilder();
for (int i = 0; i < _rootMesh.Positions.Count; i++)
{
sb.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0,3}: {1:0.#}\r\n", i, _rootMesh.Positions[i]);
}
PositionsTextBox.Text = sb.ToString();
sb = new StringBuilder();
string oneTriangleInfo;
int j = 0;
for (int i = 0; i < _rootMesh.TriangleIndices.Count; i += 3)
{
try
{
oneTriangleInfo = string.Format(System.Globalization.CultureInfo.InvariantCulture,
"{0,3} ({1,2}): {2} {3} {4} ({5:0.#}) ({6:0.#}) ({7:0.#})",
j, i,
_rootMesh.TriangleIndices[i], _rootMesh.TriangleIndices[i + 1], _rootMesh.TriangleIndices[i + 2],
_rootMesh.Positions[_rootMesh.TriangleIndices[i]], _rootMesh.Positions[_rootMesh.TriangleIndices[i + 1]], _rootMesh.Positions[_rootMesh.TriangleIndices[i + 2]]);
}
catch (Exception ex)
{
oneTriangleInfo = "Error: " + ex.Message;
}
OverviewListBox.Items.Add(oneTriangleInfo);
sb.AppendLine(oneTriangleInfo);
j++;
}
TriangleIndicesTextBox.Text = sb.ToString();
if (_rootMesh.Normals != null && _rootMesh.Normals.Count > 0)
{
sb = new StringBuilder();
for (int i = 0; i < _rootMesh.Normals.Count; i++)
{
sb.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0,3}: {1:0.###}\r\n", i, _rootMesh.Normals[i]);
}
NormalsTextBox.Text = sb.ToString();
}
else
{
NormalsTextBox.Text = "No Normals defined";
}
if (_rootMesh.TextureCoordinates != null && _rootMesh.TextureCoordinates.Count > 0)
{
sb = new StringBuilder();
for (int i = 0; i < _rootMesh.TextureCoordinates.Count; i++)
{
sb.AppendFormat(System.Globalization.CultureInfo.InvariantCulture, "{0,3}: {1:0.###}\r\n", i, _rootMesh.TextureCoordinates[i]);
}
TextureCoordinatesTextBox.Text = sb.ToString();
}
else
{
TextureCoordinatesTextBox.Text = "No TextureCoordinates defined";
}
using (System.IO.StringWriter stringWriter = new System.IO.StringWriter())
{
System.Xml.XmlWriterSettings settings;
settings = new System.Xml.XmlWriterSettings();
settings.Indent = true;
using (System.Xml.XmlWriter xmlWriter = System.Xml.XmlWriter.Create(stringWriter, settings))
{
System.Windows.Markup.XamlWriter.Save(_rootModel, xmlWriter);
}
XamlTextBox.Text = stringWriter.ToString();
}
OverviewListBox.EndInit();
}
}
private void SelectTriangle(int triangleIndex)
{
if (_selectedTriangleIndex == triangleIndex)
{
return;
}
_isSelectionChangedInternally = true;
OverlayCanvas.Children.Clear();
if (triangleIndex >= 0)
{
OverviewListBox.SelectedIndex = triangleIndex;
OverviewListBox.ScrollIntoView(OverviewListBox.Items[triangleIndex]);
OverviewListBox.Focus(); // Without calling focus the blue selection is not visible
int i = triangleIndex * 3;
Point3D p1, p2, p3;
int index1 = _rootMesh.TriangleIndices[i];
int index2 = _rootMesh.TriangleIndices[i + 1];
int index3 = _rootMesh.TriangleIndices[i + 2];
p1 = _rootMesh.Positions[index1];
p2 = _rootMesh.Positions[index2];
p3 = _rootMesh.Positions[index3];
if (_rootMesh.Normals != null && _rootMesh.Normals.Count == _rootMesh.Positions.Count)
{
// we can offset the Polyline so it will not be fighting for Z-depth with the object
// This way the selection lines will be drawn on top of the selected object
Vector3D n1 = _rootMesh.Normals[index1];
n1.Normalize();
Vector3D n2 = _rootMesh.Normals[index2];
n2.Normalize();
Vector3D n3 = _rootMesh.Normals[index2];
n3.Normalize();
p1 += n1 * _selectedTriangleOffset;
p2 += n2 * _selectedTriangleOffset;
p3 += n3 * _selectedTriangleOffset;
}
SelectedTrianglePolyline.Positions = new Point3DCollection(new Point3D[] { p1, p2, p3 });
SelectedTrianglePolyline.IsVisible = true;
if (ShowSelectedIndexesCheckBox.IsChecked ?? false)
{
AddPositionIndexTextBlocks(i);
}
}
else
{
OverviewListBox.SelectedIndex = -1;
SelectedTrianglePolyline.IsVisible = false;
}
_isSelectionChangedInternally = false;
_selectedTriangleIndex = triangleIndex;
}
