// TODO: make selecting variants work when selecting in hierarchy/rect-select too
public static void DoSelectionClick(SceneView sceneView, Vector2 mousePosition)
{
CSGTreeBrushIntersection intersection;
var gameobject = CSGClickSelectionManager.PickClosestGameObject(Event.current.mousePosition, out intersection);
// If we're a child of an operation that has a "handle as one" flag set, return that instead
gameobject = CSGSceneQuery.GetContainerGameObject(gameobject);
var selectionType = GetCurrentSelectionType();
var selectedObjectsOnClick = new List <int>(Selection.instanceIDs);
switch (selectionType)
{
case SelectionType.Additive:
{
if (!gameobject)
{
break;
}
CSGSyncSelection.SelectBrushVariant(intersection.brush, uniqueSelection: false);
var instanceID = gameobject.GetInstanceID();
selectedObjectsOnClick.Add(instanceID);
Selection.instanceIDs = selectedObjectsOnClick.ToArray();
break;
}
case SelectionType.Subtractive:
{
if (!gameobject)
{
break;
}
Undo.RecordObject(CSGSyncSelection.Instance, "Deselected brush variant");
CSGSyncSelection.DeselectBrushVariant(intersection.brush);
// Can only deselect brush if all it's synchronized brushes have also been deselected
if (!CSGSyncSelection.IsAnyBrushVariantSelected(intersection.brush))
{
var instanceID = gameobject.GetInstanceID();
selectedObjectsOnClick.Remove(instanceID);
}
Selection.instanceIDs = selectedObjectsOnClick.ToArray();
return;
}
default:
{
Undo.RecordObject(CSGSyncSelection.Instance, "Selected brush variant");
CSGSyncSelection.SelectBrushVariant(intersection.brush, uniqueSelection: true);
Selection.activeGameObject = gameobject;
break;
}
}
}
public static PlaneIntersection GetPlaneIntersection(Vector2 mousePosition)
{
CSGTreeBrushIntersection brushIntersection;
var intersectionObject = CSGClickSelectionManager.PickClosestGameObject(mousePosition, out brushIntersection);
if (intersectionObject &&
intersectionObject.activeInHierarchy)
{
if (brushIntersection.brushUserID != -1)
{
var brush = CSGNodeHierarchyManager.FindCSGNodeByInstanceID(brushIntersection.brush.UserID);
var model = CSGNodeHierarchyManager.FindCSGNodeByInstanceID(brushIntersection.tree.UserID) as CSGModel;
return(new PlaneIntersection(brushIntersection, brush, model));
}
var meshFilter = intersectionObject.GetComponent <MeshFilter>();
if (meshFilter)
{
var mesh = meshFilter.sharedMesh;
var mouseRay = UnityEditor.HandleUtility.GUIPointToWorldRay(mousePosition);
RaycastHit hit;
if (CSGClickSelectionManager.IntersectRayMesh(mouseRay, mesh, intersectionObject.transform.localToWorldMatrix, out hit))
{
var meshRenderer = intersectionObject.GetComponent <MeshRenderer>();
if (meshRenderer.enabled)
{
return(new PlaneIntersection(hit.point, hit.normal));
}
}
}
}
else
{
var gridPlane = UnitySceneExtensions.Grid.ActiveGrid.PlaneXZ;
var mouseRay = UnityEditor.HandleUtility.GUIPointToWorldRay(mousePosition);
var dist = 0.0f;
if (gridPlane.UnsignedRaycast(mouseRay, out dist))
{
return(new PlaneIntersection(mouseRay.GetPoint(dist), gridPlane));
}
}
return(null);
}
