ChiselBrushMaterial[] AddSelectedSurfaces(ChiselBrushMaterial[] surfaces)
{
if (surfaces == null ||
surfaces.Length != 1)
{
return(surfaces);
}
if (ChiselUVMoveTool.IsActive() ||
ChiselUVRotateTool.IsActive() ||
ChiselUVScaleTool.IsActive())
{
return(surfaces);
}
// TODO: implement the ability to query this from the edit mode
if (!ChiselSurfaceSelectionManager.IsSelected(surfaces[0]))
{
return(surfaces);
}
var surfaceHashSet = new HashSet <ChiselBrushMaterial>();
surfaceHashSet.AddRange(ChiselSurfaceSelectionManager.SelectedBrushMaterials);
surfaceHashSet.AddRange(surfaces);
return(surfaceHashSet.ToArray());
}
private static bool SurfaceToolBase(int id, SelectionType selectionType, Rect dragArea)
{
// we only do tools when we do not use a modifier (shift, control etc.)
if (selectionType != SelectionType.Replace)
{
return(false);
}
var evt = Event.current;
switch (evt.GetTypeForControl(id))
{
case EventType.Layout:
{
// Unless something else is closer, make sure our tool is selected
HandleUtility.AddControl(id, kMaxControlDistance);
break;
}
case EventType.ValidateCommand:
{
if (IsToolEnabled(id))
{
if (evt.keyCode == KeyCode.Escape)
{
evt.Use();
break;
}
}
if (!EditorGUIUtility.editingTextField)
{
if (evt.keyCode == KeyCode.V)
{
evt.Use();
break;
}
}
break;
}
case EventType.KeyDown:
{
if (IsToolEnabled(id))
{
if (evt.keyCode == KeyCode.Escape)
{
evt.Use();
break;
}
}
if (!EditorGUIUtility.editingTextField)
{
if (evt.keyCode == KeyCode.V)
{
forceVertexSnapping = true;
evt.Use();
break;
}
}
break;
}
case EventType.KeyUp:
{
if (IsToolEnabled(id))
{
if (evt.keyCode == KeyCode.Escape)
{
CancelTool();
break;
}
}
if (forceVertexSnapping && evt.keyCode == KeyCode.V)
{
forceVertexSnapping = false;
if (!EditorGUIUtility.editingTextField)
{
evt.Use();
}
break;
}
break;
}
case EventType.MouseMove:
{
// In case we somehow missed a MouseUp event, we reset this bool
MouseIsDown = false;
break;
}
case EventType.MouseDown:
{
// We can only use a tool when the mouse cursor is inside the draggable scene area
if (!dragArea.Contains(evt.mousePosition))
{
return(false);
}
// We can only use a tool when we're hovering over a surfaces
if (hoverSurfaces == null || hoverSurfaces.Count == 0)
{
return(false);
}
if (!CanEnableTool(id))
{
break;
}
// We want to be able to tell the difference between dragging and clicking,
// so we keep track if we dragged or not. In this case we haven't started dragging yet.
ToolIsDragging = false;
MouseIsDown = true;
EnableTool(id);
break;
}
case EventType.MouseDrag:
{
if (!IsToolEnabled(id))
{
break;
}
if (!ToolIsDragging)
{
// If we haven't dragged the tool yet, check if the surface underneath
// the mouse is selected or not, if it isn't: select it exclusively
if (!ChiselSurfaceSelectionManager.IsAnySelected(hoverSurfaces))
{
ClickSelection(dragArea, selectionType);
}
}
// In the tool specific code, calling StartToolDragging will set ToolIsDragging to true,
// which will allow us to tell the difference between clicking and dragging.
break;
}
case EventType.MouseUp:
{
if (!IsToolEnabled(id))
{
break;
}
MouseIsDown = false;
// We want to be able to tell the difference between clicking and dragging,
// so we use ToolIsDragging here to determine if we clicked.
if (!ToolIsDragging)
{
// If we clicked on the surface, instead of dragged it, just click select it
ClickSelection(dragArea, selectionType);
}
ToolIsDragging = false;
DisableTool();
ResetSelection();
break;
}
case EventType.Repaint:
{
RenderIntersection();
break;
}
}
return(true);
}
static bool SurfaceSelection(Rect dragArea, SelectionType selectionType)
{
var id = GUIUtility.GetControlID(kSurfaceDragSelectionHash, FocusType.Keyboard, dragArea);
bool repaint = false;
var evt = Event.current;
if (evt.type == EventType.MouseMove ||
evt.type == EventType.MouseDown)
{
if (UpdateHoverSurfaces(evt.mousePosition, dragArea, selectionType, true))
{
repaint = true;
}
if (!InEditCameraMode)
{
return(repaint);
}
}
if (InEditCameraMode && !ToolIsDragging)
{
if (MouseIsDown)
{
ChiselOutlineRenderer.VisualizationMode = VisualizationMode.None;
}
else
{
ChiselOutlineRenderer.VisualizationMode = VisualizationMode.Surface | VisualizationMode.Outline;
}
}
else
{
ChiselOutlineRenderer.VisualizationMode = VisualizationMode.None;
}
switch (evt.GetTypeForControl(id))
{
case EventType.Layout:
{
// we only do drag selection when we use a modifier (shift, control etc.)
if (selectionType == SelectionType.Replace)
{
break;
}
if (hoverSurfaces != null && hoverSurfaces.Count > 0)
{
HandleUtility.AddControl(id, 3.0f);
}
break;
}
case EventType.MouseDown:
{
if (GUIUtility.hotControl != 0)
{
break;
}
// we only do drag selection when we use a modifier (shift, control etc.)
if (selectionType == SelectionType.Replace)
{
break;
}
if ((UnityEditor.HandleUtility.nearestControl != id || evt.button != 0) &&
(GUIUtility.keyboardControl != id || evt.button != 2))
{
break;
}
GUIUtility.hotControl = GUIUtility.keyboardControl = id;
evt.Use();
break;
}
case EventType.MouseDrag:
{
if (GUIUtility.hotControl != id)
{
break;
}
UpdateHoverSurfaces(evt.mousePosition, dragArea, selectionType, false);
evt.Use();
break;
}
case EventType.MouseUp:
{
if (GUIUtility.hotControl != id || evt.button != 0)
{
break;
}
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
evt.Use();
if (ChiselSurfaceSelectionManager.UpdateSelection(selectionType, hoverSurfaces))
{
repaint = true;
}
if (UpdateHoverSurfaces(evt.mousePosition, dragArea, selectionType, true))
{
repaint = true;
}
break;
}
}
return(repaint);
}
static bool ClickSelection(Rect dragArea, SelectionType selectionType)
{
return(ChiselSurfaceSelectionManager.UpdateSelection(selectionType, hoverSurfaces));
}
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);
}
}
void UpdateSurfaceSelection()
{
surfaceOutlines.Clear();
ChiselSurfaceSelectionManager.Clean();
var selection = ChiselSurfaceSelectionManager.Selection;
var hovered = ChiselSurfaceSelectionManager.Hovered;
if (selection.Count == 0 &&
hovered.Count == 0)
{
surfaceOutlines.Clear();
surfaceOutlineRenderer.Clear();
}
else
{
var allSurfaces = new HashSet <SurfaceReference>(selection);
allSurfaces.AddRange(hovered);
foreach (var outline in surfaceOutlines.Keys)
{
var surface = outline.surface;
if (!allSurfaces.Contains(surface) ||
!surface.TreeBrush.Valid ||
surface.TreeBrush.BrushMesh == BrushMeshInstance.InvalidInstance)
{
removedSurfaces.Add(outline);
}
else
{
allSurfaces.Remove(surface);
}
}
if (removedSurfaces.Count > 0)
{
foreach (var outline in removedSurfaces)
{
surfaceOutlines.Remove(outline);
}
}
removedSurfaces.Clear();
foreach (var surface in allSurfaces)
{
var transform = ChiselNodeHierarchyManager.FindModelTransformOfTransform(surface.node.hierarchyItem.Transform);
var outline = new SurfaceOutline(transform, surface);
foundSurfaceOutlines.Add(outline);
}
foreach (var outline in foundSurfaceOutlines)
{
if (!outline.surface.TreeBrush.Valid ||
outline.surface.TreeBrush.BrushMesh == BrushMeshInstance.InvalidInstance)
{
continue;
}
var wireframe = GetSurfaceWireframe(outline.surface);
surfaceOutlines[outline] = wireframe;
}
}
foundSurfaceOutlines.Clear();
updateSurfaceWireframe = true;
}