public void UpdateDrag()
{
var selectAllSurfaces = UnityEngine.Event.current.shift;
s_TempChiselBrushMaterials.Clear();
s_TempNodes.Clear();
ChiselClickSelectionManager.FindBrushMaterials(Event.current.mousePosition, s_TempChiselBrushMaterials, s_TempNodes, selectAllSurfaces);
var surfaces = s_TempChiselBrushMaterials.ToArray();
s_TempChiselBrushMaterials.Clear();
if (!Equals(prevBrushMaterials, surfaces))
{
UndoPrevSurface();
// Handle situation where we're hovering over a selected surface, then apply to all selected surfaces
if (!selectAllSurfaces)
{
surfaces = AddSelectedSurfaces(surfaces);
}
ApplyMaterialToSurface(s_TempNodes.ToArray(), surfaces);
}
s_TempChiselBrushMaterials.Clear();
s_TempNodes.Clear();
}
// TODO: make selecting variants work when selecting in hierarchy/rect-select too
public static void DoSelectionClick(SceneView sceneView, Vector2 mousePosition)
{
ChiselIntersection intersection;
var gameobject = ChiselClickSelectionManager.PickClosestGameObject(mousePosition, out intersection);
// If we're a child of an operation that has a "handle as one" flag set, return that instead
gameobject = ChiselSceneQuery.FindSelectionBase(gameobject);
var selectionType = GetCurrentSelectionType();
var selectedObjectsOnClick = new List <int>(Selection.instanceIDs);
switch (selectionType)
{
case SelectionType.Additive:
{
if (!gameobject)
{
break;
}
ChiselSyncSelection.SelectBrushVariant(intersection.brushIntersection.brush, uniqueSelection: false);
var instanceID = gameobject.GetInstanceID();
selectedObjectsOnClick.Add(instanceID);
ChiselClickSelectionManager.ignoreSelectionChanged = true;
Selection.instanceIDs = selectedObjectsOnClick.ToArray();
break;
}
case SelectionType.Subtractive:
{
if (!gameobject)
{
break;
}
Undo.RecordObject(ChiselSyncSelection.Instance, "Deselected brush variant");
ChiselSyncSelection.DeselectBrushVariant(intersection.brushIntersection.brush);
// Can only deselect brush if all it's synchronized brushes have also been deselected
if (!ChiselSyncSelection.IsAnyBrushVariantSelected(intersection.brushIntersection.brush))
{
var instanceID = gameobject.GetInstanceID();
selectedObjectsOnClick.Remove(instanceID);
}
ChiselClickSelectionManager.ignoreSelectionChanged = true;
Selection.instanceIDs = selectedObjectsOnClick.ToArray();
return;
}
default:
{
Undo.RecordObject(ChiselSyncSelection.Instance, "Selected brush variant");
ChiselSyncSelection.SelectBrushVariant(intersection.brushIntersection.brush, uniqueSelection: true);
ChiselClickSelectionManager.ignoreSelectionChanged = true;
Selection.activeGameObject = gameobject;
break;
}
}
}
static void Commit(Event evt, Rect dragArea, ref List <Vector3> points)
{
s_CurrentPointIndex++;
UpdatePoints(points, GetPointAtPosition(evt.mousePosition, dragArea));
// reset the starting position
s_StartIntersection = ChiselClickSelectionManager.GetPlaneIntersection(evt.mousePosition, dragArea);
evt.Use();
}
static void Commit(Event evt, Rect dragArea, ref List <Vector3> points)
{
var newPoint = GetPointAtPosition(s_MousePosition, dragArea);
if (!newPoint.HasValue)
{
Cancel(evt, ref points);
return;
}
s_CurrentPointIndex++;
UpdatePoints(points, newPoint);
// reset the starting position
s_StartIntersection = ChiselClickSelectionManager.GetPlaneIntersection(s_MousePosition, dragArea);
evt.Use();
}
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 void UpdateDrag()
{
var selectAllSurfaces = UnityEngine.Event.current.shift;
ChiselBrushContainerAsset[] brushContainerAssets;
ChiselBrushMaterial[] surfaces;
ChiselClickSelectionManager.FindBrushMaterials(Event.current.mousePosition, out surfaces, out brushContainerAssets, selectAllSurfaces);
if (!Equals(prevBrushMaterials, surfaces))
{
UndoPrevSurface();
// Handle situation where we're hovering over a selected surface, then apply to all selected surfaces
if (!selectAllSurfaces)
{
surfaces = AddSelectedSurfaces(surfaces);
}
ApplyMaterialToSurface(brushContainerAssets, surfaces);
}
}
static PlaneIntersection GetPlaneIntersection(Vector2 mousePosition)
{
ChiselIntersection brushIntersection;
var intersectionObject = ChiselClickSelectionManager.PickClosestGameObject(mousePosition, out brushIntersection);
if (intersectionObject &&
intersectionObject.activeInHierarchy)
{
if (brushIntersection.node != null)
{
return(new PlaneIntersection(brushIntersection));
}
if (intersectionObject.TryGetComponent <MeshFilter>(out var meshFilter))
{
var mesh = meshFilter.sharedMesh;
var mouseRay = UnityEditor.HandleUtility.GUIPointToWorldRay(mousePosition);
RaycastHit hit;
if (ChiselClickSelectionManager.IntersectRayMesh(mouseRay, mesh, intersectionObject.transform.localToWorldMatrix, out hit))
{
if (intersectionObject.TryGetComponent <MeshRenderer>(out var meshRenderer) &&
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.SignedRaycast(mouseRay, out dist))
{
return(new PlaneIntersection(mouseRay.GetPoint(dist), gridPlane));
}
}
return(null);
}
static bool UpdateHoverSurfaces(Vector2 mousePosition, Rect dragArea, SelectionType selectionType, bool clearHovering)
{
try
{
hoverIntersection = null;
hoverSurfaceReference = null;
bool modified = false;
if (clearHovering || !InEditCameraMode)
{
if (hoverSurfaces.Count != 0)
{
hoverSurfaces.Clear();
modified = true;
}
}
if (!dragArea.Contains(mousePosition))
{
return(modified);
}
if (!InEditCameraMode)
{
return(modified);
}
CSGTreeBrushIntersection intersection;
SurfaceReference surfaceReference;
var foundSurfaces = ChiselClickSelectionManager.FindSurfaceReference(mousePosition, false, out intersection, out surfaceReference);
if (foundSurfaces == null)
{
modified = (hoverSurfaces != null) || modified;
hoverIntersection = null;
return(modified);
}
if (!float.IsInfinity(intersection.surfaceIntersection.distance))
{
intersection.surfaceIntersection.worldIntersection = SnapIntersection(intersection.surfaceIntersection.worldIntersection, surfaceReference, out pointHasSnapped);
}
hoverIntersection = intersection;
hoverSurfaceReference = surfaceReference;
if (foundSurfaces.Length == hoverSurfaces.Count)
{
modified = !hoverSurfaces.ContainsAll(foundSurfaces) || modified;
}
else
{
modified = true;
}
if (foundSurfaces.Length > 0)
{
hoverSurfaces.AddRange(foundSurfaces);
}
return(modified);
}
finally
{
ChiselSurfaceSelectionManager.SetHovering(selectionType, hoverSurfaces);
}
}
static Vector3?GetPointAtPosition(Vector2 mousePosition, Rect dragArea)
{
UnitySceneExtensions.Grid.HoverGrid = null;
if (s_CurrentPointIndex == 0)
{
s_StartIntersection = ChiselClickSelectionManager.GetPlaneIntersection(mousePosition, dragArea);
if (s_StartIntersection != null)
{
// TODO: try to cache this ..
var activeGridUp = UnitySceneExtensions.Grid.ActiveGrid.Up;
var activeGridForward = UnitySceneExtensions.Grid.ActiveGrid.Forward;
var activeGridCenter = UnitySceneExtensions.Grid.ActiveGrid.Center;
var surfaceGridPlane = s_StartIntersection.plane;
var surfaceGridUp = surfaceGridPlane.normal;
var surfaceGridForward = MathExtensions.CalculateBinormal(surfaceGridUp);
var activeGridFromWorldRotation = Quaternion.LookRotation(activeGridUp, activeGridForward);
var worldFromActiveGridRotation = Quaternion.Inverse(activeGridFromWorldRotation);
var surfaceGridFromWorldRotation = Quaternion.LookRotation(surfaceGridUp, surfaceGridForward);
var activeGridToSurfaceGridRotation = surfaceGridFromWorldRotation * worldFromActiveGridRotation;
// Make sure the center of the new grid is as close to the active grid center as possible
Vector3 surfaceGridCenter = activeGridCenter;
var forwardRay = new Ray(activeGridCenter, worldFromActiveGridRotation * Vector3.up);
var backRay = new Ray(activeGridCenter, worldFromActiveGridRotation * Vector3.down);
var leftRay = new Ray(activeGridCenter, worldFromActiveGridRotation * Vector3.left);
var rightRay = new Ray(activeGridCenter, worldFromActiveGridRotation * Vector3.right);
var upRay = new Ray(activeGridCenter, worldFromActiveGridRotation * Vector3.forward);
var downRay = new Ray(activeGridCenter, worldFromActiveGridRotation * Vector3.back);
var bestDist = float.PositiveInfinity;
float dist;
if (surfaceGridPlane.SignedRaycast(forwardRay, out dist))
{
var abs_dist = Mathf.Abs(dist); if (abs_dist < bestDist)
{
bestDist = abs_dist; surfaceGridCenter = forwardRay.GetPoint(dist);
}
}
if (surfaceGridPlane.SignedRaycast(backRay, out dist))
{
var abs_dist = Mathf.Abs(dist); if (abs_dist < bestDist)
{
bestDist = abs_dist; surfaceGridCenter = backRay.GetPoint(dist);
}
}
if (surfaceGridPlane.SignedRaycast(leftRay, out dist))
{
var abs_dist = Mathf.Abs(dist); if (abs_dist < bestDist)
{
bestDist = abs_dist; surfaceGridCenter = leftRay.GetPoint(dist);
}
}
if (surfaceGridPlane.SignedRaycast(rightRay, out dist))
{
var abs_dist = Mathf.Abs(dist); if (abs_dist < bestDist)
{
bestDist = abs_dist; surfaceGridCenter = rightRay.GetPoint(dist);
}
}
if (bestDist > 100000) // prefer rays on the active-grid, only go up/down from the active-grid when we have no other choice
{
if (surfaceGridPlane.SignedRaycast(upRay, out dist))
{
var abs_dist = Mathf.Abs(dist); if (abs_dist < bestDist)
{
bestDist = abs_dist; surfaceGridCenter = upRay.GetPoint(dist);
}
}
if (surfaceGridPlane.SignedRaycast(downRay, out dist))
{
var abs_dist = Mathf.Abs(dist); if (abs_dist < bestDist)
{
bestDist = abs_dist; surfaceGridCenter = downRay.GetPoint(dist);
}
}
}
// TODO: try to snap the new surface grid point in other directions on the active-grid? (do we need to?)
s_Transform = Matrix4x4.TRS(surfaceGridCenter - activeGridCenter, activeGridToSurfaceGridRotation, Vector3.one) *
UnitySceneExtensions.Grid.ActiveGrid.GridToWorldSpace;
s_InvTransform = s_Transform.inverse;
s_Snapping2D.Initialize(new UnitySceneExtensions.Grid(s_Transform), mousePosition, s_StartIntersection.point, UnityEditor.Handles.matrix);
}
}
if (s_StartIntersection != null)
{
if (s_Snapping2D.DragTo(mousePosition, SnappingMode.Always))
{
UnitySceneExtensions.Grid.HoverGrid = s_Snapping2D.WorldSlideGrid;
return(s_Snapping2D.WorldSnappedPosition);
}
}
return(null);
}
