// HACK for finding canvas and drawing on it
// Hardcoded for 3.2.4
void FindViewportControl()
{
// Create temp control to get spatial viewport
Control ctrl = new Control();
AddControlToContainer(CustomControlContainer.SpatialEditorMenu, ctrl);
// Try to get main viewport node. Must be `SpatialEditor`
Control spatial_editor = ctrl.GetParent().GetParent <Control>();
// Remove and destroy temp control
RemoveControlFromContainer(CustomControlContainer.SpatialEditorMenu, ctrl);
ctrl.QueueFree();
spatial_viewport = null;
if (spatial_editor.GetClass() == "SpatialEditor")
{
// Try to recursively find `SpatialEditorViewport`
Func <Control, int, Control> get = null;
get = (c, level) =>
{
if (c.GetClass() == "SpatialEditorViewport")
{
return(c);
}
// 4 Levels must be enough for 3.2.4
if (level < 4)
{
foreach (var o in c.GetChildren())
{
if (o is Control ch)
{
var res = get(ch, level + 1);
if (res != null)
{
return(res);
}
}
}
}
return(null);
};
spatial_viewport = get(spatial_editor, 0)?.GetChild <ViewportContainer>(0);
}
if (spatial_viewport != null)
{
spatial_viewport.SetMeta("UseParentSize", true);
spatial_viewport.Update();
}
}
void RemovePrevNode()
{
DebugDraw.Instance?.QueueFree();
spatial_viewport?.Update();
SceneTree tree = Engine.GetMainLoop() as SceneTree;
if (tree != null)
{
var root = tree.EditedSceneRoot;
if (root != null)
{
var nodes = root.GetChildren();
foreach (Node n in nodes)
{
if (n.Owner == null && n.HasMeta(nameof(DebugDraw)) && !n.IsQueuedForDeletion())
{
n.QueueFree();
}
}
}
}
}