public void Unselect(int index)
{
SelectionElement e = selection[index];
e.UnHighlight();
selection.RemoveAt(index);
}
private int GetIndex(SceneNode node, int patchID)
{
for (int i = 0; i < selection.Count; ++i)
{
SelectionElement e = selection[i];
if (node == e.Origin && patchID == e.PatchID)
{
return(i);
}
}
return(-1);
}
public void Clear()
{
for (int i = 0; i < selection.Count; ++i)
{
SelectionElement e = selection[i];
e.UnHighlight();
//e.Node.Selected = false;
//if (e.PatchID >= 0)
// e.Node.Delete();
}
selection.Clear();
//sg.Call<SelectableSceneNode>(delegate(SelectableSceneNode n) { n.Selected = false; });
}
public bool Select(SceneNode node, int geometryID = 0)
{
SelectableSceneNode n = node as SelectableSceneNode;
if (n != null)
{
if (!multiSelect)
{
Clear();
}
//n.Selected = true;
//selectedNodes.Add(n);
SelectionElement se = new SelectionElement(n, geometryID);
se.Highlight();
selection.Add(se);
return(true);
}
return(false);
}
public bool Select(Double2 xy, out PickingResult result)
{
bool unselect = inputHandler.IsKeyPressed(Key.ShiftLeft);
List <PickingResult> r;
result = null;
if (sg.Pick(xy, 5, out r))
{
if (Validator == null)
{
result = r[0];
}
else
{
bool success = false;
for (int i = 0; i < r.Count; ++i)
{
result = r[i];
if (Validator(result))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
}
else
{
return(false);
}
if (Pick != null)
{
Pick(result, unselect);
}
int geometryID = result.GeometryIndex;
int id = result.PrimitiveIndex;
PhongPatchPNTriangleGeometry g = result.Node.Geometries[geometryID] as PhongPatchPNTriangleGeometry;
if (g != null && patchSelectionEnabled)
{
int patchID = g.GetRangeIndex(id);
int index = GetIndex(result.Node, patchID);
if (index < 0 && !unselect)
{
if (!multiSelect)
{
Clear();
}
SelectionElement se = new SelectionElement(result.Node, geometryID, patchID);
se.Highlight();
selection.Add(se);
}
else if (index >= 0 && unselect)
{
Unselect(index);
}
return(true);
}
else
{
SelectableSceneNode n = result.Node as SelectableSceneNode;
if (n != null)
{
int index = GetIndex(result.Node, -1);
if (index < 0 && !unselect)
{
if (!multiSelect)
{
Clear();
}
SelectionElement se = new SelectionElement(result.Node, geometryID);
se.Highlight();
selection.Add(se);
}
else if (index >= 0 && unselect)
{
Unselect(index);
}
return(true);
}
}
return(false);
//}
//return false;
//else if (!multiSelect)
// Clear();
}