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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/InstancedStaticMesh > API/Runtime/Engine/InstancedStaticMesh/FInstanceAttributeTracker > API/Runtime/Engine/InstancedStaticMesh/FInstanceAttributeTracker/FDeltaRange
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/InstancedStaticMesh/InstanceAttributeTracker.h |
| Include | #include "InstancedStaticMesh/InstanceAttributeTracker.h" |
Syntax
struct FConstIterator
Remarks
Iterator for traversing the range of Items that need update. Provides two indexes:
The sparse Index of the source & destination data
The continuous Item Index that represents the linear index into the copied data.
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
bool | bUseIterator | |
 |
FAnyValidIterator< IteratorMask > | It | |
 |
int32 | ItemIndex | |
 |
int32 | MaxNum |
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
FConstIterator
(
FAnyValidIterator< IteratorMask >&& InIt |
||
 |
FConstIterator
(
int32 InIndex, |
Functions
| Type | Name | Description | |
|---|---|---|---|
  |
int32 | GetIndex () |
Get the index of the data in the source / destination arrays. |
  |
int32 | GetItemIndex () |
Get the continuous index of the data item in the collected item array. |
Operators
| Type | Name | Description | |
|---|---|---|---|
  |
|||
 |
void | operator++ () |