public void ProcessSelectionEdit(int MouseX, int MouseY)
{
//Trace.WriteLine("edit active = " + MdxRender.Input.EditActive.ToString());
//get selected instance
if ((activeSelection != null) && (MdxRender.Input.EditActive))
{
Vector3 PickRayDirection = new Vector3();
Vector3 PickRayOrigin = new Vector3();
MouseX = MdxRender.Input.MouseX;
MouseY = MdxRender.Input.MouseY;
MdxRender.CalculatePickRayWorld(MouseX, MouseY, out PickRayDirection, out PickRayOrigin);
//use the z-plane of most recent object selected
float z_plane = activeSelection.ZPlane;
//calculate mouse-movement of selected object
Vector3 move_vector = new Vector3();
Vector3 sel_pos = new Vector3();
Vector3 obj_pos = new Vector3();
//use last selected object's reference planes to figure out where to move the object
activeSelection.GetTranslation(out obj_pos);
if (MdxRender.Input.EditVerticalPlacement)
{
//do calculation to determine selection plane intersect point for XZ plane
if ((PickRayOrigin.Y - PickRayDirection.Y) != 0)
{
float u = (PickRayOrigin.Y - obj_pos.Y) / (PickRayOrigin.Y - PickRayDirection.Y);
sel_pos.X = PickRayOrigin.X + u * (PickRayDirection.X - PickRayOrigin.X);
sel_pos.Y = PickRayOrigin.Y + u * (PickRayDirection.Y - PickRayOrigin.Y);
sel_pos.Z = PickRayOrigin.Z + u * (PickRayDirection.Z - PickRayOrigin.Z);
move_vector.X = 0;
move_vector.Y = 0;
move_vector.Z = sel_pos.Z - lastSelectionPosition.Z;
}
}
else //X-Y Object Movement
{
//do calculation to determine selection plane intersect point for XY plane
if ((PickRayOrigin.Z - PickRayDirection.Z) != 0)
{
float u = (PickRayOrigin.Z - obj_pos.Z) / (PickRayOrigin.Z - PickRayDirection.Z);
sel_pos.X = PickRayOrigin.X + u * (PickRayDirection.X - PickRayOrigin.X);
sel_pos.Y = PickRayOrigin.Y + u * (PickRayDirection.Y - PickRayOrigin.Y);
sel_pos.Z = PickRayOrigin.Z + u * (PickRayDirection.Z - PickRayOrigin.Z);
move_vector.X = sel_pos.X - lastSelectionPosition.X;
move_vector.Y = sel_pos.Y - lastSelectionPosition.Y;
move_vector.Z = 0;
}
}
lastSelectionPosition = sel_pos;
activeSelection.IncrementTranslation(move_vector);
}
}
public void MouseUp(int MouseX, int MouseY)
{
Vector3 PickRayDirection = new Vector3();
Vector3 PickRayOrigin = new Vector3();
MdxRender.CalculatePickRayWorld(MouseX, MouseY, out PickRayDirection, out PickRayOrigin);
#region 2D Selection Box
//see if we need to do a 2D select box
multiSelectBox.MouseUp(MouseX, MouseY);
if (multiSelectBox.Mode != MultiSelectMode.Disabled)
{
if (multiSelectBox.Mode != MultiSelectMode.Disabled)
{
ArrayList tmp = multiSelectBox.UpdateFrustumSelection(this);
bool bFoundDuplicate = false;
Instance3D inst, tmp_inst;
//add 2d select box selection list to master selection list
for (int s = 0; s < tmp.Count; s++)
{
tmp_inst = (Instance3D)tmp[s];
//check for duplication
for (int k = 0; k < selectionList.Count; k++)
{
inst = (Instance3D)selectionList[k];
if (tmp_inst == inst)
{
bFoundDuplicate = true;
break;
}
}
if (bFoundDuplicate == false)
{
selectionList.Add(tmp[s]);
}
}
}
}
#endregion
//debug code
if (activeSelection == null)
{
foreach (Instance3D instance in this)
{
if (instance.MouseUp(PickRayOrigin, PickRayDirection, false) == true)
{
activeSelection = instance;
}
}
if ((selectionList.Count != 0) && (multiSelectBox.Mode == MultiSelectMode.Disabled))
{
foreach (Instance3D item in this)
{
item.Selected = false;
}
selectionList.Clear();
}
//if(m_DebugObject1.MouseUp(PickRayOrigin, PickRayDirection, false))
// m_ActiveSelection = m_DebugObject1;
}
else
{
activeSelection.MakeEditInactive();
if (activeSelection.MouseUp(PickRayOrigin, PickRayDirection, true) == false)
{
if (activeSelection.EditMode == EditMode.NotSelected)
{
activeSelection = null;
}
}
}
UpdateSelectionLeader();
}
