EM_Task/UnrealEd/Private/ThumbnailRendering/BlendSpaceThumbnailRenderer.cpp
Boshuang Zhao 5144a49c9b add
2026-02-13 16:18:33 +08:00

54 lines
1.8 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "ThumbnailRendering/BlendSpaceThumbnailRenderer.h"
#include "Misc/App.h"
#include "ShowFlags.h"
#include "SceneView.h"
#include "ThumbnailHelpers.h"
#include "Animation/BlendSpaceBase.h"
UBlendSpaceThumbnailRenderer::UBlendSpaceThumbnailRenderer(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
ThumbnailScene = nullptr;
}
void UBlendSpaceThumbnailRenderer::Draw(UObject* Object, int32 X, int32 Y, uint32 Width, uint32 Height, FRenderTarget* RenderTarget, FCanvas* Canvas, bool bAdditionalViewFamily)
{
UBlendSpaceBase* BlendSpace = Cast<UBlendSpaceBase>(Object);
if (BlendSpace != nullptr)
{
if (ThumbnailScene == nullptr)
{
ThumbnailScene = new FBlendSpaceThumbnailScene();
}
if (ThumbnailScene->SetBlendSpace(BlendSpace))
{
FSceneViewFamilyContext ViewFamily(FSceneViewFamily::ConstructionValues(RenderTarget, ThumbnailScene->GetScene(), FEngineShowFlags(ESFIM_Game))
.SetWorldTimes(FApp::GetCurrentTime() - GStartTime, FApp::GetDeltaTime(), FApp::GetCurrentTime() - GStartTime)
.SetAdditionalViewFamily(bAdditionalViewFamily));
ViewFamily.EngineShowFlags.DisableAdvancedFeatures();
ViewFamily.EngineShowFlags.MotionBlur = 0;
ViewFamily.EngineShowFlags.LOD = 0;
ThumbnailScene->GetView(&ViewFamily, X, Y, Width, Height);
RenderViewFamily(Canvas, &ViewFamily);
ThumbnailScene->SetBlendSpace(nullptr);
}
}
}
void UBlendSpaceThumbnailRenderer::BeginDestroy()
{
if (ThumbnailScene != nullptr)
{
delete ThumbnailScene;
ThumbnailScene = nullptr;
}
Super::BeginDestroy();
}