private void FindChildDepth(ref int depth, HItem parent)
{
if (parent.HierarchyParent != null)
{
depth++;
FindChildDepth(ref depth, parent.HierarchyParent);
}
}
private void ItemDoubleClicked(object sender, MouseEventArgs e)
{
HItem selectedItem = hierarchyItems[displayedHierarchyIDs[_listView.FocusedItem.Index]];
// If the item has children
if (selectedItem.HierarchyChildren.Count != 0)
{
if (!selectedItem.Expanded) // If not expanded we will need to make visible
{
// First of all switch the icon around on this item
int removeIndex = _listView.FocusedItem.Index;
_listView.Items.RemoveAt(removeIndex);
ListViewItem newItem = new ListViewItem(selectedItem.GameObjectName);
newItem.IndentCount = selectedItem.ChildDepthLevel;
newItem.ImageIndex = 1;
_listView.Items.Insert(removeIndex, newItem);
for (int i = 0; i < selectedItem.HierarchyChildren.Count; i++)
{
ListViewItem newChildItem = new ListViewItem(selectedItem.HierarchyChildren[i].GameObjectName);
newChildItem.IndentCount = selectedItem.HierarchyChildren[i].ChildDepthLevel;
if (selectedItem.HierarchyChildren[i].HierarchyChildren.Count != 0) // If the child has children add icon
{
newChildItem.ImageIndex = 0;
}
_listView.Items.Insert(removeIndex + 1, (newChildItem));
displayedHierarchyIDs.Insert(removeIndex + 1, removeIndex + 1 + i);
}
}
else
{
// First of all switch the icon around on this item
int removeIndex = _listView.FocusedItem.Index;
_listView.Items.RemoveAt(removeIndex);
ListViewItem newItem = new ListViewItem(selectedItem.GameObjectName);
newItem.IndentCount = selectedItem.ChildDepthLevel;
newItem.ImageIndex = 0;
_listView.Items.Insert(removeIndex, newItem);
// Remove each child from the displayed hierarchy
for (int i = selectedItem.HierarchyChildren.Count; i > 0; i--)
{
_listView.Items.RemoveAt(removeIndex + i);
displayedHierarchyIDs.RemoveAt(removeIndex + i);
}
}
selectedItem.Expanded = !selectedItem.Expanded;
}
}
private void NewGameObjectClicked(object sender, EventArgs e)
{
IntPtr sceneItem = SceneInterface.CreateGameObject(_sceneManager);
IntPtr data = new IntPtr(sceneItem.ToInt64());
SceneItem hItem = (SceneItem)Marshal.PtrToStructure(data, typeof(SceneItem));
displayedHierarchyIDs.Add(hierarchyItems.Count);
HItem item = new HItem(hItem.GameObjectName, (int)hItem.GameObjectID, (int)hItem.ComponentCount);
item.ChildDepthLevel = 0;
hierarchyItems.Add(hierarchyItems.Count, item);
ListViewItem lvItem = new ListViewItem(hierarchyItems[displayedHierarchyIDs[hierarchyItems.Count - 1]].GameObjectName);
_listView.Items.Add(lvItem);
lvItem.Focused = true;
SceneInterface.FreeMemory(sceneItem);
_scene.HasChanged = true;
_listView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
RenameClicked(null, null);
}
public void CreateHierachyList(IntPtr sceneManager)
{
_sceneManager = sceneManager;
int numberOfGameObjects = SceneInterface.GetGameObjectCount(sceneManager);
IntPtr hierarchy = SceneInterface.PopulateHierarchyItems(sceneManager, numberOfGameObjects);
int structSize = Marshal.SizeOf(typeof(SceneItem));
hierarchyItems.Clear();
displayedHierarchyIDs.Clear();
_listView.Items.Clear();
for (int i = 0; i < numberOfGameObjects; i++)
{
// Parse the data recieved from the engine
IntPtr data = new IntPtr(hierarchy.ToInt64() + structSize * i);
SceneItem hItem = (SceneItem)Marshal.PtrToStructure(data, typeof(SceneItem));
// Create the item that will be stored in the hierarchy
HItem item = new HItem(hItem.GameObjectName, (int)hItem.GameObjectID, (int)hItem.ComponentCount);
// Check if the item has a parent
HItem itemParent = FindParent((int)hItem.GameObjectParentID);
if (itemParent != null)
{
// If the item has a parent, setup the parent and child data
item.HierarchyParent = itemParent;
itemParent.HierarchyChildren.Add(item);
}
else // Else add it's index to be rendered in the list
{
displayedHierarchyIDs.Add(i);
}
// Cache the item
hierarchyItems.Add(i, item);
}
// Determine every items depth
for (int i = 0; i < hierarchyItems.Count; i++)
{
int depth = 0;
FindChildDepth(ref depth, hierarchyItems[i]);
hierarchyItems[i].ChildDepthLevel = depth;
}
// Add the items that are visible to the actual listview
for (int i = 0; i < displayedHierarchyIDs.Count; i++)
{
// If this item does not have any children display without an expand icon
if (hierarchyItems[displayedHierarchyIDs[i]].HierarchyChildren.Count == 0)
{
_listView.Items.Add(new ListViewItem(hierarchyItems[displayedHierarchyIDs[i]].GameObjectName));
}
else // If this icon has children display with an expand icon
{
_listView.Items.Add(new ListViewItem(hierarchyItems[displayedHierarchyIDs[i]].GameObjectName, 0));
}
}
SceneInterface.FreeMemory(hierarchy);
_listView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.ColumnContent);
}