protected override JobHandle OnUpdate(JobHandle inputDeps)
{
var entityType = GetArchetypeChunkEntityType();
var childType = GetArchetypeChunkBufferType <Child>(true);
var dpi = ScreenUtils.GetScaledDpi();
var updateHierarchyJob = new UpdateHierarchy
{
Dpi = new float2(dpi, dpi),
RectTransformType = GetArchetypeChunkComponentType <RectTransform>(true),
CanvasSizeType = GetArchetypeChunkComponentType <CanvasScreenSize>(true),
EntityType = entityType,
ChildType = childType,
ConstantPhysicalScaler = GetArchetypeChunkComponentType <CanvasConstantPhysicalSizeScaler>(true),
ConstantPixelScaler = GetArchetypeChunkComponentType <CanvasConstantPixelSizeScaler>(true),
RebuildContext = HierarchyRebuildContext.Create(this)
};
var updateHierarchyJobHandle = updateHierarchyJob.Schedule(m_Group, inputDeps);
return(updateHierarchyJobHandle);
}
private static void UpdateRectMask(Entity entity, WorldSpaceRect elementRect, ref WorldSpaceMask mask, ref HierarchyRebuildContext rebuildContext)
{
if (rebuildContext.RectMaskFromEntity.Exists(entity))
{
float2 newMin = math.max(mask.Min, elementRect.Min);
float2 newMax = math.min(mask.Max, elementRect.Max);
mask = new WorldSpaceMask
{
Min = newMin,
Max = newMax
};
}
}
public static void UpdateTransformRecursive(ref WorldSpaceRect parentLocalToWorldSpaceRect, WorldSpaceMask currentMask, Entity entity, float2 scale, ref HierarchyRebuildContext rebuildContext)
{
var childTransform = rebuildContext.RectTransformFromEntity[entity];
var childLocalToWorld = CalculateWorldSpaceRect(parentLocalToWorldSpaceRect, scale, childTransform);
rebuildContext.WorldSpaceRectFromEntity[entity] = childLocalToWorld;
rebuildContext.ElementScaleFromEntity[entity] = new ElementScale()
{
Value = scale
};
UpdateRectMask(entity, childLocalToWorld, ref currentMask, ref rebuildContext);
rebuildContext.WorldSpaceMaskFromEntity[entity] = currentMask;
if (rebuildContext.RebuildFlagFromEntity.Exists(entity))
{
rebuildContext.RebuildFlagFromEntity[entity] = new RebuildElementMeshFlag()
{
Rebuild = true
}
}
;
if (rebuildContext.ChildrenFromEntity.Exists(entity))
{
var children = rebuildContext.ChildrenFromEntity[entity];
for (int i = 0; i < children.Length; i++)
{
UpdateTransformRecursive(ref childLocalToWorld, currentMask, children[i].Value, scale, ref rebuildContext);
}
}
}