54 lines
1.9 KiB
C++
54 lines
1.9 KiB
C++
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// Copyright 2019-Present LexLiu. All Rights Reserved.
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#include "Thumbnail/LGUIPrefabThumbnailRenderer.h"
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#include "EngineModule.h"
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#include "RendererInterface.h"
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#include "SceneView.h"
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#include "Engine/EngineTypes.h"
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#include "CanvasItem.h"
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#include "CanvasTypes.h"
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#include "LGUIEditorUtils.h"
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#include "Interfaces/IPluginManager.h"
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#include "PrefabSystem/LGUIPrefab.h"
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ULGUIPrefabThumbnailRenderer::ULGUIPrefabThumbnailRenderer()
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{
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}
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bool ULGUIPrefabThumbnailRenderer::CanVisualizeAsset(UObject* Object)
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{
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if (auto prefab = Cast<ULGUIPrefab>(Object))
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return true;
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return false;
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}
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void ULGUIPrefabThumbnailRenderer::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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auto prefab = Cast<ULGUIPrefab>(Object);
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if (IsValid(prefab))
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{
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TSharedRef<FLGUIPrefabThumbnailScene> ThumbnailScene = ThumbnailScenes.EnsureThumbnailScene(prefab->GetPathName());
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ThumbnailScene->SetPrefab(prefab);
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if (!ThumbnailScene->IsValidForVisualization())
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return;
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FSceneViewFamilyContext ViewFamily(FSceneViewFamily::ConstructionValues(RenderTarget, ThumbnailScene->GetScene(), FEngineShowFlags(ESFIM_Game))
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.SetTime(UThumbnailRenderer::GetTime()));
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ViewFamily.EngineShowFlags.DisableAdvancedFeatures();
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ViewFamily.EngineShowFlags.MotionBlur = 0;
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auto View = ThumbnailScene->CreateView(&ViewFamily, X, Y, Width, Height);
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RenderViewFamily(Canvas, &ViewFamily, View);
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//draw prefab icon
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static FString LGUIBasePath = IPluginManager::Get().FindPlugin(TEXT("LGUI"))->GetBaseDir();
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LGUIEditorUtils::DrawThumbnailIcon(LGUIBasePath + (prefab->GetIsPrefabVariant() ? TEXT("/Resources/Icons/PrefabVariant_40x.png") : TEXT("/Resources/Icons/Prefab_40x.png"))
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, X, Y, Width, Height, Canvas);
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}
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}
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void ULGUIPrefabThumbnailRenderer::BeginDestroy()
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{
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ThumbnailScenes.Clear();
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Super::BeginDestroy();
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}
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