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));
}
