public void Execute(ArchetypeChunk chunk, int chunkIndex, int firstEntityIndex)
{
NativeArray <ScrollRect> scrollRect = chunk.GetNativeArray(ScrollRectType);
NativeArray <Entity> scrollEntity = chunk.GetNativeArray(EntityType);
var rebuildContext = new HierarchyRebuildContext()
{
ChildrenFromEntity = ChildrenFromEntity,
WorldSpaceRectFromEntity = WorldSpaceRectFromEntity,
RectTransformFromEntity = RectTransformFromEntity,
RebuildFlagFromEntity = RebuildFlagFromEntity,
ElementScaleFromEntity = ElementScaleFromEntity,
WorldSpaceMaskFromEntity = WorldSpaceMaskFromEntity,
RectMaskFromEntity = RectMaskFromEntity
};
for (int i = 0; i < scrollRect.Length; i++)
{
ScrollRect scrollView = scrollRect[i];
ScrollViewTransforms transforms = GatherTransforms(scrollEntity[i], scrollView);
var oldContentRect = transforms.ContentRect;
transforms.ViewportTransform.AnchorMin = new float2(0.0f, 0.0f);
transforms.ViewportTransform.AnchorMax = new float2(1.0f, 1.0f);
transforms.ViewportTransform.SizeDelta = new float2(-transforms.VerticalAreaTransform.SizeDelta.x - scrollView.VerticalBarSpacing, -transforms.HorizontalAreaTransform.SizeDelta.y - scrollView.HorizontalBarSpacing);
transforms.ViewportRect = RectTransformUtils.CalculateWorldSpaceRect(transforms.ScrollViewRect,
ElementScaleFromEntity[scrollEntity[i]].Value, transforms.ViewportTransform);
RectTransformFromEntity[scrollView.Viewport] = transforms.ViewportTransform;
var contentToViewportRatio = transforms.ViewportRect.Size / transforms.ContentRect.Size;
var verticalEntity = scrollView.VerticalBar;
if (ScrollBarFromEntity.Exists(verticalEntity))
{
UpdateScrollBar(scrollView, verticalEntity, contentToViewportRatio, ref transforms, ScrollBarAxis.Vertical);
}
var horizontalEntity = scrollView.HorizontalBar;
if (ScrollBarFromEntity.Exists(horizontalEntity))
{
UpdateScrollBar(scrollView, horizontalEntity, contentToViewportRatio, ref transforms, ScrollBarAxis.Horizontal);
}
if (NeedUpdate(oldContentRect, transforms.ContentRect))
{
var newContentTransform = RectTransformUtils.CalculateInverseTransformWithAnchors(transforms.ContentRect,
transforms.ViewportRect, transforms.ContentTransform, ElementScaleFromEntity[scrollView.Content].Value);
RectTransformFromEntity[scrollView.Content] = newContentTransform;
UpdateScrollRectTransform(scrollEntity[i], transforms.ScrollViewRect, rebuildContext);
}
}
}
protected override JobHandle OnUpdateTransform(JobHandle inputDeps, HierarchyRebuildContext rebuildContext)
{
UpdateSliderTransform updateJob = new UpdateSliderTransform()
{
EntityType = GetArchetypeChunkEntityType(),
RebuildContext = rebuildContext,
ParentFromEntity = GetComponentDataFromEntity <Parent>(true),
SliderType = GetArchetypeChunkComponentType <Slider>()
};
inputDeps = updateJob.Schedule(m_SliderQuery, inputDeps);
return(inputDeps);
}
protected override JobHandle OnUpdate(JobHandle inputDeps)
{
return(OnUpdateTransform(inputDeps, HierarchyRebuildContext.Create(this)));
}
protected abstract JobHandle OnUpdateTransform(JobHandle inputDeps, HierarchyRebuildContext rebuildContext);
private void UpdateScrollRectTransform(Entity scrollEntity,
WorldSpaceRect scrollRectWorldSpace, HierarchyRebuildContext rebuildContext)
{
var children = ChildrenFromEntity[scrollEntity];
var scrollMask = WorldSpaceMaskFromEntity[scrollEntity];
var scale = ElementScaleFromEntity[scrollEntity].Value;
for (int j = 0; j < children.Length; j++)
{
RectTransformUtils.UpdateTransformRecursive(ref scrollRectWorldSpace, scrollMask, children[j].Value, scale,
ref rebuildContext);
}
}