58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "ThumbnailRendering/StaticMeshThumbnailRenderer.h"
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#include "Misc/App.h"
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#include "ShowFlags.h"
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#include "SceneView.h"
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#include "ThumbnailHelpers.h"
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#include "Engine/StaticMesh.h"
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UStaticMeshThumbnailRenderer::UStaticMeshThumbnailRenderer(const FObjectInitializer& ObjectInitializer)
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: Super(ObjectInitializer)
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{
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ThumbnailScene = nullptr;
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}
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void UStaticMeshThumbnailRenderer::Draw(UObject* Object, int32 X, int32 Y, uint32 Width, uint32 Height, FRenderTarget* RenderTarget, FCanvas* Canvas, bool bAdditionalViewFamily)
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{
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UStaticMesh* StaticMesh = Cast<UStaticMesh>(Object);
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if (StaticMesh != nullptr && !StaticMesh->IsPendingKill())
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{
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if (ThumbnailScene == nullptr || ensure(ThumbnailScene->GetWorld() != nullptr) == false)
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{
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if (ThumbnailScene)
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{
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FlushRenderingCommands();
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delete ThumbnailScene;
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}
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ThumbnailScene = new FStaticMeshThumbnailScene();
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}
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ThumbnailScene->SetStaticMesh(StaticMesh);
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ThumbnailScene->GetScene()->UpdateSpeedTreeWind(0.0);
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FSceneViewFamilyContext ViewFamily(FSceneViewFamily::ConstructionValues(RenderTarget, ThumbnailScene->GetScene(), FEngineShowFlags(ESFIM_Game))
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.SetWorldTimes(FApp::GetCurrentTime() - GStartTime, FApp::GetDeltaTime(), FApp::GetCurrentTime() - GStartTime)
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.SetAdditionalViewFamily(bAdditionalViewFamily));
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ViewFamily.EngineShowFlags.DisableAdvancedFeatures();
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ViewFamily.EngineShowFlags.MotionBlur = 0;
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ViewFamily.EngineShowFlags.LOD = 0;
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ThumbnailScene->GetView(&ViewFamily, X, Y, Width, Height);
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RenderViewFamily(Canvas, &ViewFamily);
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ThumbnailScene->SetStaticMesh(nullptr);
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}
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}
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void UStaticMeshThumbnailRenderer::BeginDestroy()
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{
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if (ThumbnailScene != nullptr)
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{
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delete ThumbnailScene;
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ThumbnailScene = nullptr;
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}
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Super::BeginDestroy();
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}
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