//
// GetActorInformation - Chapter 20, page 760
//
public EditorActorParams GetActorInformation(uint actorId)
{
EditorActorParams actorParams;
try
{
// We're getting a position array from the unmanaged dll, so
// allocate space in memory that can hold 3 floats.
IntPtr tempArray = Marshal.AllocCoTaskMem(3 * sizeof(float));
NativeMethods.GetActorPos(tempArray, actorId);
// Copy the memory into a float array and dispose of our memory.
float[] actorPos = new float[3];
Marshal.Copy(tempArray, actorPos, 0, 3);
Marshal.FreeCoTaskMem(tempArray);
int actorType = NativeMethods.GetActorType(actorId);
UInt32 actorColor = NativeMethods.GetActorColor(actorId);
actorParams = new EditorActorParams(actorId, (ActorType)actorType, actorPos, Color.FromArgb((int)actorColor), 0.0f, 0.0f);
return(actorParams);
}
catch
{
return(actorParams = new EditorActorParams(EditorActorParams.INVALID_ID));
}
}
private void PopulateActorInformation(EditorActorParams actorParams)
{
m_actorIdTextbox.Text = actorParams.m_actorId.ToString();
m_actorTypeTextbox.Text = (String)m_types[(int)actorParams.m_actorType];
m_actorXTextbox.Text = actorParams.m_pos[0].ToString();
m_actorYTextbox.Text = actorParams.m_pos[1].ToString();
m_actorZTextbox.Text = actorParams.m_pos[2].ToString();
m_colorPreviewPanel.BackColor = actorParams.m_color;
}
//
// RestoreActorPosBtn_Click - Chapter 20, page 786
//
private void RestoreActorPosBtn_Click(object sender, EventArgs e)
{
// The position has been changed in the EditorForm, but the user wants to get the
// old position information on this actor before updating the position.
// The EngineDisplayForm should retrieve information on this actor, which the EditorForm
// will use to repopulate actor information.
EditorActorParams actorParams = m_parent.GetActorInformation(UInt32.Parse(this.m_actorIdTextbox.Text));
PopulateActorInformation(actorParams);
}
private void TreeView_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
TreeNode node = e.Node;
if (node != m_mainNode)
{
// If we click on an actor node, have the EngineDisplayForm retrieve information
// on that actor from the unmanaged dll.
EditorActorParams actorParams = m_parent.GetActorInformation(UInt32.Parse(node.Name));
PopulateActorInformation(actorParams);
}
}
public void SelectTreeNode(int actorId)
{
// There are two methods of populating actor information. We can
// select a node in the treeview, or we can click on the actor
// in the world view. If we click on the actor in the world view,
// we use this function to update the actor information.
TreeNode[] node = m_mainNode.Nodes.Find(actorId.ToString(), true);
if (node.GetLength(0) > 0)
{
m_treeView.SelectedNode = node[0];
EditorActorParams actorParams = m_parent.GetActorInformation((uint)actorId);
PopulateActorInformation(actorParams);
}
}
private void PopulateActorInformation(EditorActorParams actorParams)
{
m_actorIdTextbox.Text = actorParams.m_actorId.ToString();
m_actorTypeTextbox.Text = (String)m_types[(int)actorParams.m_actorType];
m_actorXTextbox.Text = actorParams.m_pos[0].ToString();
m_actorYTextbox.Text = actorParams.m_pos[1].ToString();
m_actorZTextbox.Text = actorParams.m_pos[2].ToString();
m_colorPreviewPanel.BackColor = actorParams.m_color;
}
//
// GetActorInformation - Chapter 20, page 760
//
public EditorActorParams GetActorInformation(uint actorId)
{
EditorActorParams actorParams;
try
{
// We're getting a position array from the unmanaged dll, so
// allocate space in memory that can hold 3 floats.
IntPtr tempArray = Marshal.AllocCoTaskMem(3 * sizeof(float));
NativeMethods.GetActorPos(tempArray, actorId);
// Copy the memory into a float array and dispose of our memory.
float[] actorPos = new float[3];
Marshal.Copy(tempArray, actorPos, 0, 3);
Marshal.FreeCoTaskMem(tempArray);
int actorType = NativeMethods.GetActorType(actorId);
UInt32 actorColor = NativeMethods.GetActorColor(actorId);
actorParams = new EditorActorParams(actorId, (ActorType)actorType, actorPos, Color.FromArgb((int)actorColor), 0.0f, 0.0f);
return actorParams;
}
catch
{
return actorParams = new EditorActorParams(EditorActorParams.INVALID_ID);
}
}
