private static void ProcessDragEvent(Event dragEvent, SceneView sceneView)
{
if (dragEvent != null && (dragEvent.type == EventType.DragUpdated || dragEvent.type == EventType.DragPerform))
{
bool dragHDAs = false;
List <string> hdaList = new List <string>();
foreach (string file in DragAndDrop.paths)
{
if (HEU_HAPIUtility.IsHoudiniAssetFile(file))
{
dragHDAs = true;
DragAndDrop.visualMode = DragAndDropVisualMode.Move;
hdaList.Add(file);
break;
}
}
if (dragHDAs)
{
if (dragEvent.type == EventType.DragPerform)
{
if (HEU_SessionManager.ValidatePluginSession())
{
Vector3 dropPos = Vector3.zero;
if (sceneView != null)
{
Camera camera = sceneView.camera;
Vector3 mousePos = HEU_EditorUI.GetMousePosition(ref dragEvent, camera);
Ray ray = camera.ScreenPointToRay(mousePos);
ray.origin = camera.transform.position;
Plane plane = new Plane();
plane.SetNormalAndPosition(Vector3.up, Vector3.zero);
float enter = 0f;
plane.Raycast(ray, out enter);
enter = Mathf.Clamp(enter, camera.nearClipPlane, camera.farClipPlane);
dropPos = ray.origin + ray.direction * enter;
}
List <GameObject> createdGOs = new List <GameObject>();
foreach (string file in hdaList)
{
GameObject go = HEU_HAPIUtility.InstantiateHDA(file, dropPos, HEU_SessionManager.GetOrCreateDefaultSession(), true);
if (go != null)
{
createdGOs.Add(go);
}
}
// Select the created assets
HEU_EditorUtility.SelectObjects(createdGOs.ToArray());
}
}
dragEvent.Use();
}
}
}
