private void UpdateMaterialState()
{
var targetMat = default(Material);
if (drags.Count > 0)
{
drags.RemoveAll(e => !e.isDragging);
}
if (drags.Count > 0)
{
targetMat = dragged;
}
else if (presses.Count > 0)
{
targetMat = Pressed;
}
else if (hovers.Count > 0)
{
targetMat = Heightlight;
}
else
{
targetMat = Normal;
}
if (ChangeProp.Set(ref currentMat, targetMat))
{
SetChildRendererMaterial(targetMat);
}
}
private void PerformUpdate()
{
// So MB's override the == operator for null equality, which checks
// if they are destroyed. This is fine if you are looking at a concrete
// mb, but in this case we are looking at a list of ICanvasElement
// this won't forward the == operator to the MB, but just check if the
// interface is null. IsDestroyed will return if the backend is destroyed.
m_LayoutRebuildQueue.RemoveAll(x => x == null || x.IsDestroyed());
m_GraphicRebuildQueue.RemoveAll(x => x == null || x.IsDestroyed());
m_PerformingLayoutUpdate = true;
m_LayoutRebuildQueue.Sort(s_SortLayoutFunction);
for (int i = 0; i <= (int)CanvasUpdate.PostLayout; i++)
{
for (int j = 0; j < m_LayoutRebuildQueue.Count; j++)
{
try
{
if (ObjectValidForUpdate(instance.m_LayoutRebuildQueue[j]))
{
instance.m_LayoutRebuildQueue[j].Rebuild((CanvasUpdate)i);
}
}
catch (Exception e)
{
Debug.LogException(e, instance.m_LayoutRebuildQueue[j].transform);
}
}
}
instance.m_LayoutRebuildQueue.Clear();
m_PerformingLayoutUpdate = false;
m_PerformingGraphicUpdate = true;
for (var i = (int)CanvasUpdate.PreRender; i < (int)CanvasUpdate.MaxUpdateValue; i++)
{
for (var k = 0; k < instance.m_GraphicRebuildQueue.Count; k++)
{
try
{
var element = instance.m_GraphicRebuildQueue[k];
if (ObjectValidForUpdate(element))
{
element.Rebuild((CanvasUpdate)i);
}
}
catch (Exception e)
{
Debug.LogException(e, instance.m_GraphicRebuildQueue[k].transform);
}
}
}
instance.m_GraphicRebuildQueue.Clear();
m_PerformingGraphicUpdate = false;
}
protected virtual void Update()
{
// remove inactive or disabled collider
// because OnTriggerExit doesn't automatically called on disabled
hoveredColliders.RemoveAll((c) => c == null || !c.enabled || c.gameObject == null || !c.gameObject.activeInHierarchy);
// process enter & stay
var hoveredObjectsPrev = hoveredObjects;
hoveredObjects = IndexedSetPool <GameObject> .Get();
for (int i = hoveredColliders.Count - 1; i >= 0; --i)
{
for (var tr = hoveredColliders[i].transform; tr != null; tr = tr.parent)
{
var go = tr.gameObject;
if (!hoveredObjects.AddUnique(go))
{
break;
}
if (!hoveredObjectsPrev.Remove(go))
{
ExecuteEvents.Execute(go, HoverEventData, ExecuteColliderEvents.HoverEnterHandler);
}
}
}
// process button events
for (int i = 0, imax = buttonEventDataList.Count; i < imax; ++i)
{
var eventData = buttonEventDataList[i];
// process button press
if (eventData.GetPressDown())
{
ProcessPressDown(eventData);
}
else if (eventData.GetPress())
{
ProcessPressing(eventData);
}
else if (eventData.GetPressUp())
{
ProcessPressUp(eventData);
}
// process pressed button enter/exit
if (eventData.GetPress())
{
var pressEnteredObjectsPrev = eventData.pressEnteredObjects;
eventData.pressEnteredObjects = IndexedSetPool <GameObject> .Get();
for (int j = hoveredObjects.Count - 1; j >= 0; --j)
{
var go = hoveredObjects[j];
if (!eventData.pressEnteredObjects.AddUnique(go))
{
continue;
}
if (!pressEnteredObjectsPrev.Remove(go))
{
ExecuteEvents.Execute(go, eventData, ExecuteColliderEvents.PressEnterHandler);
}
}
for (int j = pressEnteredObjectsPrev.Count - 1; j >= 0; --j)
{
ExecuteEvents.Execute(pressEnteredObjectsPrev[j], eventData, ExecuteColliderEvents.PressExitHandler);
}
IndexedSetPool <GameObject> .Release(pressEnteredObjectsPrev);
}
else
{
for (int j = eventData.pressEnteredObjects.Count - 1; j >= 0; --j)
{
ExecuteEvents.Execute(eventData.pressEnteredObjects[j], eventData, ExecuteColliderEvents.PressExitHandler);
}
eventData.pressEnteredObjects.Clear();
}
}
// process axis events
for (int i = 0, imax = axisEventDataList.Count; i < imax; ++i)
{
var eventData = axisEventDataList[i];
if (!eventData.IsValueChangedThisFrame())
{
continue;
}
for (int j = hoveredColliders.Count - 1; j >= 0; --j)
{
var handler = ExecuteEvents.GetEventHandler <IColliderEventAxisChangedHandler>(hoveredColliders[j].gameObject);
if (handler == null)
{
continue;
}
if (!s_gos.Add(handler.GetInstanceID()))
{
continue;
}
ExecuteEvents.Execute(handler, eventData, ExecuteColliderEvents.AxisChangedHandler);
}
}
s_gos.Clear();
// process leave
// now stayingObjectsPrev left with handlers that are exited
for (int i = hoveredObjectsPrev.Count - 1; i >= 0; --i)
{
ExecuteEvents.Execute(hoveredObjectsPrev[i], HoverEventData, ExecuteColliderEvents.HoverExitHandler);
}
IndexedSetPool <GameObject> .Release(hoveredObjectsPrev);
}