public static SurfaceIntersection FindSurfaceIntersection(Vector2 position)
{
try
{
CSGTreeBrushIntersection brushIntersection;
if (!PickFirstGameObject(position, out brushIntersection))
{
return(null);
}
var brush = brushIntersection.brush;
var node = CSGNodeHierarchyManager.FindCSGNodeByInstanceID(brush.UserID);
if (!node)
{
return(null);
}
var surface = node.FindSurfaceReference(brush, brushIntersection.surfaceID);
if (surface == null)
{
return(null);
}
return(new SurfaceIntersection {
surface = surface, intersection = brushIntersection.surfaceIntersection
});
}
catch (Exception ex)
{
Debug.LogException(ex);
return(null);
}
}
public static bool FindBrushMaterials(Vector2 position, out ChiselBrushMaterial[] brushMaterials, out ChiselBrushContainerAsset[] brushContainerAssets, bool selectAllSurfaces)
{
brushMaterials = null;
brushContainerAssets = null;
try
{
CSGTreeBrushIntersection intersection;
if (!PickFirstGameObject(Event.current.mousePosition, out intersection))
{
return(false);
}
var brush = intersection.brush;
var node = CSGNodeHierarchyManager.FindCSGNodeByInstanceID(brush.UserID);
if (!node)
{
return(false);
}
if (selectAllSurfaces)
{
brushContainerAssets = node.GetUsedGeneratedBrushes();
if (brushContainerAssets == null)
{
return(false);
}
brushMaterials = node.GetAllBrushMaterials(brush);
return(true);
}
else
{
var surface = node.FindBrushMaterial(brush, intersection.surfaceID);
if (surface == null)
{
return(false);
}
brushContainerAssets = node.GetUsedGeneratedBrushes();
if (brushContainerAssets == null)
{
return(false);
}
brushMaterials = new ChiselBrushMaterial[] { surface };
return(true);
}
}
catch (Exception ex)
{
Debug.LogException(ex);
return(false);
}
}
public static PlaneIntersection GetPlaneIntersection(Vector2 mousePosition)
{
CSGTreeBrushIntersection brushIntersection;
var intersectionObject = ChiselClickSelectionManager.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 ChiselModel;
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 (ChiselClickSelectionManager.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);
}
public static SurfaceReference[] FindSurfaceReference(Vector2 position, bool selectAllSurfaces, out CSGTreeBrushIntersection intersection, out SurfaceReference surfaceReference)
{
intersection = CSGTreeBrushIntersection.None;
surfaceReference = null;
try
{
if (!PickFirstGameObject(position, out intersection))
{
return(null);
}
var brush = intersection.brush;
var node = CSGNodeHierarchyManager.FindCSGNodeByInstanceID(brush.UserID);
if (!node)
{
return(null);
}
surfaceReference = node.FindSurfaceReference(brush, intersection.surfaceID);
if (selectAllSurfaces)
{
return(node.GetAllSurfaceReferences(brush));
}
if (surfaceReference == null)
{
return(null);
}
return(new SurfaceReference[] { surfaceReference });
}
catch (Exception ex)
{
Debug.LogException(ex);
return(null);
}
}
internal static GameObject PickNodeOrGameObject(Camera camera, Vector2 pickposition, int layers, ref GameObject[] ignore, ref GameObject[] filter, out ChiselModel model, out ChiselNode node, out CSGTreeBrushIntersection intersection)
{
TryNextSelection:
intersection = new CSGTreeBrushIntersection {
surfaceID = -1, brushUserID = -1
};
model = null;
node = null;
Material sharedMaterial;
var gameObject = PickModel(camera, pickposition, layers, ref ignore, ref filter, out model, out sharedMaterial);
if (object.Equals(gameObject, null))
{
return(null);
}
if (model)
{
int filterLayerParameter0 = (sharedMaterial) ? sharedMaterial.GetInstanceID() : 0;
{
var worldRay = camera.ScreenPointToRay(pickposition);
var worldRayStart = worldRay.origin;
var worldRayVector = (worldRay.direction * (camera.farClipPlane - camera.nearClipPlane));
var worldRayEnd = worldRayStart + worldRayVector;
CSGTreeBrushIntersection tempIntersection;
if (ChiselSceneQuery.FindFirstWorldIntersection(model, worldRayStart, worldRayEnd, filterLayerParameter0, layers, ignore, filter, out tempIntersection))
{
var clickedBrush = tempIntersection.brush;
node = CSGNodeHierarchyManager.FindCSGNodeByInstanceID(clickedBrush.UserID);
if (node)
{
if (ignore != null &&
ignore.Contains(node.gameObject))
{
node = null;
return(null);
}
intersection = tempIntersection;
return(node.gameObject);
}
else
{
node = null;
}
}
}
if (ignore == null)
{
return(null);
}
ArrayUtility.Add(ref ignore, gameObject);
goto TryNextSelection;
}
if (object.Equals(gameObject, null))
{
return(null);
}
if (ignore != null &&
ignore.Contains(gameObject))
{
return(null);
}
return(gameObject);
}
