You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
66e1f36595
- Commented and cleaned up the members of UStateTree a bit - Changed StateTree Node storage to FInstancedStructArray (contiguous memory) - Changed StateTree SharedData to FInstancedStructArray - Changed StateTree instance data to use FInstancedStructArray - StateTree statistics shows estimated mem usage per state and max for tree (heaviest linked chain) - Added explicit bLinked state for UStateTree - Cleaned up UStateTree::ResetCompiled()/ResetLinked() - Changed StateTree execution context to allocate task instance data on Start() and EnterState() - StateTree tick uses execution order counters to access the instance data instead of compile time specific index #jira UE-153269 #rb Stephen.Holmes Yoan.StAmant #preflight 628df39faf7a2e956bb45dc5 [CL 20361823 by mikko mononen in ue5-main branch]
86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "InstancedStructArray.h"
|
|
#include "StructView.h"
|
|
#include "StateTreeInstanceData.generated.h"
|
|
|
|
/**
|
|
* StateTree instance data is used to store the runtime state of a StateTree.
|
|
* The layout of the data is described in a FStateTreeInstanceDataLayout.
|
|
*
|
|
* Note: Serialization is supported only for FArchive::IsModifyingWeakAndStrongReferences(), that is replacing object references.
|
|
*/
|
|
USTRUCT()
|
|
struct STATETREEMODULE_API FStateTreeInstanceData
|
|
{
|
|
GENERATED_BODY()
|
|
|
|
FStateTreeInstanceData() = default;
|
|
~FStateTreeInstanceData() { Reset(); }
|
|
|
|
/** Initializes the array with specified items. */
|
|
void Init(UObject& InOwner, TConstArrayView<FInstancedStruct> InStructs, TConstArrayView<UObject*> InObjects);
|
|
void Init(UObject& InOwner, TConstArrayView<FConstStructView> InStructs, TConstArrayView<UObject*> InObjects);
|
|
|
|
/** Appends new items to the instance. */
|
|
void Append(UObject& InOwner, TConstArrayView<FInstancedStruct> InStructs, TConstArrayView<UObject*> InObjects);
|
|
void Append(UObject& InOwner, TConstArrayView<FConstStructView> InStructs, TConstArrayView<UObject*> InObjects);
|
|
|
|
/** Prunes the array sizes to specified lengths. */
|
|
void Prune(const int32 NumStructs, const int32 NumObjects);
|
|
|
|
/** Shares the layout from another instance data, and copies the data over. */
|
|
void CopyFrom(UObject& InOwner, const FStateTreeInstanceData& InOther);
|
|
|
|
/** Resets the data to empty. */
|
|
void Reset();
|
|
|
|
/** @return true if the instance is correctly initialized. */
|
|
bool IsValid() const { return InstanceStructs.Num() > 0 || InstanceObjects.Num() > 0; }
|
|
|
|
/** @return Number of items in the instance data. */
|
|
int32 NumStructs() const { return InstanceStructs.Num(); }
|
|
|
|
/** @return mutable view to the struct at specified index. */
|
|
FStructView GetMutableStruct(const int32 Index) const { return InstanceStructs[Index]; }
|
|
|
|
/** @return const view to the struct at specified index. */
|
|
FConstStructView GetStruct(const int32 Index) const { return InstanceStructs[Index]; }
|
|
|
|
/** @return number of instance objects */
|
|
int32 NumObjects() const { return InstanceObjects.Num(); }
|
|
|
|
/** @return pointer to an instance object */
|
|
UObject* GetMutableObject(const int32 Index) const { return InstanceObjects[Index]; }
|
|
|
|
/** @return const pointer to an instance object */
|
|
const UObject* GetObject(const int32 Index) const { return InstanceObjects[Index]; }
|
|
|
|
int32 GetEstimatedMemoryUsage() const;
|
|
int32 GetNumItems() const;
|
|
|
|
/** Type traits */
|
|
bool Identical(const FStateTreeInstanceData* Other, uint32 PortFlags) const;
|
|
|
|
private:
|
|
|
|
/** Struct instances */
|
|
UPROPERTY()
|
|
FInstancedStructArray InstanceStructs;
|
|
|
|
/** Object instances. */
|
|
UPROPERTY()
|
|
TArray<TObjectPtr<UObject>> InstanceObjects;
|
|
};
|
|
|
|
template<>
|
|
struct TStructOpsTypeTraits<FStateTreeInstanceData> : public TStructOpsTypeTraitsBase2<FStateTreeInstanceData>
|
|
{
|
|
enum
|
|
{
|
|
WithIdentical = true,
|
|
};
|
|
};
|