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

49 lines
1.9 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "ThumbnailRendering/AnimBlueprintThumbnailRenderer.h"
#include "ShowFlags.h"
#include "SceneView.h"
#include "Misc/App.h"
#include "Animation/AnimBlueprint.h"
UAnimBlueprintThumbnailRenderer::UAnimBlueprintThumbnailRenderer(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer)
{
}
bool UAnimBlueprintThumbnailRenderer::CanVisualizeAsset(UObject* Object)
{
UAnimBlueprint* AnimBlueprint = Cast<UAnimBlueprint>(Object);
return AnimBlueprint->BlueprintType != BPTYPE_Interface;
}
void UAnimBlueprintThumbnailRenderer::Draw(UObject* Object, int32 X, int32 Y, uint32 Width, uint32 Height, FRenderTarget* RenderTarget, FCanvas* Canvas, bool bAdditionalViewFamily)
{
UAnimBlueprint* AnimBlueprint = Cast<UAnimBlueprint>(Object);
if (AnimBlueprint && AnimBlueprint->GeneratedClass)
{
TSharedRef<FAnimBlueprintThumbnailScene> ThumbnailScene = ThumbnailScenes.EnsureThumbnailScene(AnimBlueprint->GeneratedClass);
if (ThumbnailScene->SetAnimBlueprint(AnimBlueprint))
{
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);
}
}
}
void UAnimBlueprintThumbnailRenderer::BeginDestroy()
{
ThumbnailScenes.Clear();
Super::BeginDestroy();
}