internal static void UpdateMeshHandles(bool selectionOrVertexCountChanged = true)
{
if (!s_Instance)
{
return;
}
try
{
EditorHandleDrawing.RebuildSelectedHandles(MeshSelection.topInternal, selectMode);
}
catch
{
// happens on undo when c++ object is gone but c# isn't in the know
EditorHandleDrawing.ClearHandles();
}
}
void DrawHandleGUI(SceneView sceneView)
{
if (sceneView != SceneView.lastActiveSceneView)
{
return;
}
if (m_CurrentEvent.type == EventType.Repaint &&
!SceneDragAndDropListener.isDragging &&
m_Hovering != null &&
GUIUtility.hotControl == 0 &&
HandleUtility.nearestControl == m_DefaultControl &&
selectMode.IsMeshElementMode())
{
try
{
EditorHandleDrawing.DrawSceneSelection(m_Hovering);
}
catch
{
// this happens on undo, when c++ object is destroyed but c# side thinks it's still alive
}
}
using (new HandleGUI())
{
int screenWidth = (int)sceneView.position.width;
int screenHeight = (int)sceneView.position.height;
switch ((SceneToolbarLocation)s_SceneToolbarLocation)
{
case SceneToolbarLocation.BottomCenter:
m_ElementModeToolbarRect.x = (screenWidth / 2 - 64);
m_ElementModeToolbarRect.y = screenHeight - m_ElementModeToolbarRect.height * 3;
break;
case SceneToolbarLocation.BottomLeft:
m_ElementModeToolbarRect.x = 12;
m_ElementModeToolbarRect.y = screenHeight - m_ElementModeToolbarRect.height * 3;
break;
case SceneToolbarLocation.BottomRight:
m_ElementModeToolbarRect.x = screenWidth - (m_ElementModeToolbarRect.width + 12);
m_ElementModeToolbarRect.y = screenHeight - m_ElementModeToolbarRect.height * 3;
break;
case SceneToolbarLocation.UpperLeft:
m_ElementModeToolbarRect.x = 12;
m_ElementModeToolbarRect.y = 10;
break;
case SceneToolbarLocation.UpperRight:
m_ElementModeToolbarRect.x = screenWidth - (m_ElementModeToolbarRect.width + 96);
m_ElementModeToolbarRect.y = 10;
break;
default:
m_ElementModeToolbarRect.x = (screenWidth / 2 - 64);
m_ElementModeToolbarRect.y = 10;
break;
}
selectMode = UI.EditorGUIUtility.DoElementModeToolbar(m_ElementModeToolbarRect, selectMode);
if (s_ShowSceneInfo)
{
Vector2 size = UI.EditorStyles.sceneTextBox.CalcSize(m_SceneInfo);
m_SceneInfoRect.width = size.x;
m_SceneInfoRect.height = size.y;
GUI.Label(m_SceneInfoRect, m_SceneInfo, UI.EditorStyles.sceneTextBox);
}
if (m_IsDragging)
{
if (m_CurrentEvent.type == EventType.Repaint)
{
// Always draw from lowest to largest values
var start = Vector2.Min(m_InitialMousePosition, m_CurrentEvent.mousePosition);
var end = Vector2.Max(m_InitialMousePosition, m_CurrentEvent.mousePosition);
m_MouseDragRect = new Rect(start.x, start.y, end.x - start.x, end.y - start.y);
SceneStyles.selectionRect.Draw(m_MouseDragRect, false, false, false, false);
}
else if (m_CurrentEvent.isMouse)
{
HandleUtility.Repaint();
}
}
}
}
void OnSceneGUI(SceneView sceneView)
{
SceneStyles.Init();
m_CurrentEvent = Event.current;
EditorHandleDrawing.DrawSceneHandles(SceneDragAndDropListener.isDragging ? SelectMode.None : selectMode);
DrawHandleGUI(sceneView);
if (m_CurrentEvent.type == EventType.KeyDown)
{
// Escape isn't assignable as a shortcut
if (m_CurrentEvent.keyCode == KeyCode.Escape && selectMode != SelectMode.Object)
{
selectMode = SelectMode.Object;
m_IsDragging = false;
m_IsReadyForMouseDrag = false;
m_CurrentEvent.Use();
}
}
if (selectMode == SelectMode.Object)
{
return;
}
bool pathSelectionModifier = EditorHandleUtility.IsSelectionPathModifier(m_CurrentEvent.modifiers);
// Check mouse position in scene and determine if we should highlight something
if (s_ShowHoverHighlight &&
selectMode.IsMeshElementMode() &&
(m_CurrentEvent.type == EventType.MouseMove ||
(m_wasSelectingPath != pathSelectionModifier && m_CurrentEvent.isKey)))
{
m_Hovering.CopyTo(m_HoveringPrevious);
if (GUIUtility.hotControl != 0 ||
EditorSceneViewPicker.MouseRayHitTest(m_CurrentEvent.mousePosition, selectMode, m_ScenePickerPreferences, m_Hovering) > ScenePickerPreferences.maxPointerDistance)
{
m_Hovering.Clear();
}
if (!m_Hovering.Equals(m_HoveringPrevious))
{
if (pathSelectionModifier)
{
EditorSceneViewPicker.DoMouseHover(m_Hovering);
}
SceneView.RepaintAll();
}
}
m_wasSelectingPath = pathSelectionModifier;
if (Tools.current == Tool.View)
{
return;
}
switch (m_CurrentEvent.type)
{
case EventType.ValidateCommand:
case EventType.ExecuteCommand:
bool execute = m_CurrentEvent.type == EventType.ExecuteCommand;
switch (m_CurrentEvent.commandName)
{
case "SelectAll":
if (execute)
{
SelectAll();
}
m_CurrentEvent.Use();
break;
case "DeselectAll":
if (execute)
{
DeselectAll();
}
m_CurrentEvent.Use();
break;
case "InvertSelection":
if (execute)
{
InvertSelection();
}
m_CurrentEvent.Use();
break;
}
break;
}
if (EditorHandleUtility.SceneViewInUse(m_CurrentEvent))
{
if (m_IsDragging)
{
m_IsDragging = false;
}
if (GUIUtility.hotControl == m_DefaultControl)
{
GUIUtility.hotControl = 0;
}
return;
}
// This prevents us from selecting other objects in the scene,
// and allows for the selection of faces / vertices.
m_DefaultControl = GUIUtility.GetControlID(FocusType.Passive);
if (Event.current.type == EventType.Layout)
{
HandleUtility.AddDefaultControl(m_DefaultControl);
}
if (m_CurrentEvent.type == EventType.MouseDown && HandleUtility.nearestControl == m_DefaultControl)
{
// double clicking object
if (m_CurrentEvent.clickCount > 1)
{
DoubleClick(m_CurrentEvent);
}
m_InitialMousePosition = m_CurrentEvent.mousePosition;
// readyForMouseDrag prevents a bug wherein after ending a drag an errant
// MouseDrag event is sent with no corresponding MouseDown/MouseUp event.
m_IsReadyForMouseDrag = true;
GUIUtility.hotControl = m_DefaultControl;
}
if (m_CurrentEvent.type == EventType.MouseDrag && m_IsReadyForMouseDrag && GUIUtility.hotControl == m_DefaultControl)
{
if (!m_IsDragging && Vector2.Distance(m_CurrentEvent.mousePosition, m_InitialMousePosition) > k_MouseDragThreshold)
{
sceneView.Repaint();
m_IsDragging = true;
}
}
if (m_CurrentEvent.type == EventType.Ignore)
{
if (m_IsDragging)
{
m_IsReadyForMouseDrag = false;
m_IsDragging = false;
EditorSceneViewPicker.DoMouseDrag(m_MouseDragRect, selectMode, m_ScenePickerPreferences);
}
if (m_WasDoubleClick)
{
m_WasDoubleClick = false;
}
if (GUIUtility.hotControl == m_DefaultControl)
{
GUIUtility.hotControl = 0;
}
}
if (m_CurrentEvent.type == EventType.MouseUp && GUIUtility.hotControl == m_DefaultControl)
{
GUIUtility.hotControl = 0;
if (m_WasDoubleClick)
{
m_WasDoubleClick = false;
}
else
{
if (!m_IsDragging)
{
if (UVEditor.instance)
{
UVEditor.instance.ResetUserPivot();
}
EditorSceneViewPicker.DoMouseClick(m_CurrentEvent, selectMode, m_ScenePickerPreferences);
UpdateSelection();
}
else
{
m_IsDragging = false;
m_IsReadyForMouseDrag = false;
if (UVEditor.instance)
{
UVEditor.instance.ResetUserPivot();
}
EditorSceneViewPicker.DoMouseDrag(m_MouseDragRect, selectMode, m_ScenePickerPreferences);
if (GUIUtility.hotControl == m_DefaultControl)
{
GUIUtility.hotControl = 0;
}
}
}
}
}
void OnSceneGUI(SceneView sceneView)
{
SceneStyles.Init();
m_CurrentEvent = Event.current;
EditorHandleDrawing.DrawSceneHandles(SceneDragAndDropListener.isDragging ? SelectMode.None : selectMode);
DrawHandleGUI(sceneView);
if (m_CurrentEvent.type == EventType.KeyDown)
{
// Escape isn't assignable as a shortcut
if (m_CurrentEvent.keyCode == KeyCode.Escape && selectMode != SelectMode.Object)
{
selectMode = SelectMode.Object;
m_IsDragging = false;
m_IsReadyForMouseDrag = false;
m_CurrentEvent.Use();
}
}
if (selectMode == SelectMode.Object)
{
return;
}
bool pathSelectionModifier = EditorHandleUtility.IsSelectionPathModifier(m_CurrentEvent.modifiers);
// Check mouse position in scene and determine if we should highlight something
if (s_ShowHoverHighlight &&
selectMode.IsMeshElementMode() &&
(m_CurrentEvent.type == EventType.MouseMove ||
(m_wasSelectingPath != pathSelectionModifier && m_CurrentEvent.isKey)))
{
m_Hovering.CopyTo(m_HoveringPrevious);
if (GUIUtility.hotControl != 0 ||
EditorSceneViewPicker.MouseRayHitTest(m_CurrentEvent.mousePosition, selectMode, m_ScenePickerPreferences, m_Hovering) > ScenePickerPreferences.maxPointerDistance)
{
m_Hovering.Clear();
}
if (!m_Hovering.Equals(m_HoveringPrevious))
{
if (pathSelectionModifier)
{
EditorSceneViewPicker.DoMouseHover(m_Hovering);
}
SceneView.RepaintAll();
}
}
m_wasSelectingPath = pathSelectionModifier;
if (Tools.current == Tool.View)
{
return;
}
switch (m_CurrentEvent.type)
{
case EventType.ValidateCommand:
case EventType.ExecuteCommand:
bool execute = m_CurrentEvent.type == EventType.ExecuteCommand;
switch (m_CurrentEvent.commandName)
{
case "SelectAll":
if (execute)
{
SelectAll();
}
m_CurrentEvent.Use();
break;
case "DeselectAll":
if (execute)
{
DeselectAll();
}
m_CurrentEvent.Use();
break;
case "InvertSelection":
if (execute)
{
InvertSelection();
}
m_CurrentEvent.Use();
break;
}
break;
}
if (EditorHandleUtility.SceneViewInUse(m_CurrentEvent))
{
if (m_IsDragging)
{
m_IsDragging = false;
}
if (GUIUtility.hotControl == m_DefaultControl)
{
GUIUtility.hotControl = 0;
}
return;
}
// This prevents us from selecting other objects in the scene,
// and allows for the selection of faces / vertices.
m_DefaultControl = GUIUtility.GetControlID(FocusType.Passive);
if (Event.current.type == EventType.Layout)
{
HandleUtility.AddDefaultControl(m_DefaultControl);
}
HandleMouseEvent(sceneView, m_DefaultControl);
}