Files
UnrealEngine/Engine/Source/Editor/SkeletonEditor/Private/SkeletonTreeManager.cpp
2025-05-18 13:04:45 +08:00

59 lines
1.8 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "SkeletonTreeManager.h"
#include "EditableSkeleton.h"
#include "ISkeletonTree.h"
FSkeletonTreeManager& FSkeletonTreeManager::Get()
{
static FSkeletonTreeManager TheManager;
return TheManager;
}
TSharedRef<ISkeletonTree> FSkeletonTreeManager::CreateSkeletonTree(const TSharedRef<IEditableSkeleton>& InEditableSkeleton, const FSkeletonTreeArgs& InSkeletonTreeArgs)
{
TSharedPtr<ISkeletonTree> SkeletonTree = StaticCastSharedRef<FEditableSkeleton>(InEditableSkeleton)->CreateSkeletonTree(InSkeletonTreeArgs);
// compact skeletons that are no longer being edited
bool bRemoved = false;
do
{
bRemoved = false;
for (auto Iter = EditableSkeletons.CreateIterator(); Iter; ++Iter)
{
TSharedPtr<FEditableSkeleton> CompactionCandidate = Iter.Value().Pin();
if (!CompactionCandidate.IsValid() || !CompactionCandidate->IsEdited())
{
Iter.RemoveCurrent();
bRemoved = true;
break;
}
}
}
while (bRemoved);
return SkeletonTree.ToSharedRef();
}
TSharedRef<ISkeletonTree> FSkeletonTreeManager::CreateSkeletonTree(class USkeleton* InSkeleton, const FSkeletonTreeArgs& InSkeletonTreeArgs)
{
return CreateSkeletonTree(CreateEditableSkeleton(InSkeleton), InSkeletonTreeArgs);
}
TSharedRef<FEditableSkeleton> FSkeletonTreeManager::CreateEditableSkeleton(class USkeleton* InSkeleton)
{
check(InSkeleton);
TWeakPtr<FEditableSkeleton>* EditableSkeletonPtr = EditableSkeletons.Find(InSkeleton);
if (EditableSkeletonPtr == nullptr || !(*EditableSkeletonPtr).IsValid())
{
TSharedRef<FEditableSkeleton> NewEditableSkeleton = MakeShareable(new FEditableSkeleton(InSkeleton));
EditableSkeletons.Add(InSkeleton, NewEditableSkeleton);
return NewEditableSkeleton;
}
else
{
return (*EditableSkeletonPtr).Pin().ToSharedRef();
}
}