/** Updates GCurrentSelectedLightmapSample given a selected actor's components and the location of the click. */
void SetDebugLightmapSample(TArray<UActorComponent*>* Components, UModel* Model, int32 iSurf, FVector ClickLocation)
{
UStaticMeshComponent* SMComponent = NULL;
if (Components)
{
// Find the first supported component
for (int32 ComponentIndex = 0; ComponentIndex < Components->Num() && !SMComponent; ComponentIndex++)
{
SMComponent = Cast<UStaticMeshComponent>((*Components)[ComponentIndex]);
if (SMComponent && (!SMComponent->StaticMesh || SMComponent->LODData.Num() == 0))
{
SMComponent = NULL;
}
}
}
bool bFoundLightmapSample = false;
// Only static mesh components and BSP handled for now
if (SMComponent)
{
UStaticMesh* StaticMesh = SMComponent->StaticMesh;
check(StaticMesh);
check(StaticMesh->RenderData);
check(StaticMesh->RenderData->LODResources.Num());
// Only supporting LOD0
const int32 LODIndex = 0;
FStaticMeshLODResources& LODModel = StaticMesh->RenderData->LODResources[LODIndex];
FIndexArrayView Indices = LODModel.IndexBuffer.GetArrayView();
const bool bHasStaticLighting = SMComponent->HasStaticLighting();
if (bHasStaticLighting)
{
bool bUseTextureMap = false;
int32 LightmapSizeX = 0;
int32 LightmapSizeY = 0;
SMComponent->GetLightMapResolution(LightmapSizeX, LightmapSizeY);
if (LightmapSizeX > 0 && LightmapSizeY > 0
&& StaticMesh->LightMapCoordinateIndex >= 0
&& (uint32)StaticMesh->LightMapCoordinateIndex < LODModel.VertexBuffer.GetNumTexCoords()
)
{
bUseTextureMap = true;
}
else
{
bUseTextureMap = false;
}
// Search through the static mesh's triangles for the one that was hit (since we can't get triangle index from a line check)
for(int32 TriangleIndex = 0; TriangleIndex < Indices.Num(); TriangleIndex += 3)
{
uint32 Index0 = Indices[TriangleIndex];
uint32 Index1 = Indices[TriangleIndex + 1];
uint32 Index2 = Indices[TriangleIndex + 2];
// Transform positions to world space
FVector Position0 = SMComponent->ComponentToWorld.TransformPosition(LODModel.PositionVertexBuffer.VertexPosition(Index0));
FVector Position1 = SMComponent->ComponentToWorld.TransformPosition(LODModel.PositionVertexBuffer.VertexPosition(Index1));
FVector Position2 = SMComponent->ComponentToWorld.TransformPosition(LODModel.PositionVertexBuffer.VertexPosition(Index2));
FVector BaryCentricWeights;
// Continue if click location is in the triangle and get its barycentric weights
if (GetBarycentricWeights(Position0, Position1, Position2, ClickLocation, .001f, BaryCentricWeights))
{
RestoreSelectedLightmapSample();
if (bUseTextureMap)
{
// Fetch lightmap UV's
FVector2D LightmapUV0 = LODModel.VertexBuffer.GetVertexUV(Index0, StaticMesh->LightMapCoordinateIndex);
FVector2D LightmapUV1 = LODModel.VertexBuffer.GetVertexUV(Index1, StaticMesh->LightMapCoordinateIndex);
FVector2D LightmapUV2 = LODModel.VertexBuffer.GetVertexUV(Index2, StaticMesh->LightMapCoordinateIndex);
// Interpolate lightmap UV's to the click location
FVector2D InterpolatedUV = LightmapUV0 * BaryCentricWeights.X + LightmapUV1 * BaryCentricWeights.Y + LightmapUV2 * BaryCentricWeights.Z;
int32 PaddedSizeX = LightmapSizeX;
int32 PaddedSizeY = LightmapSizeY;
if (GLightmassDebugOptions.bPadMappings && GAllowLightmapPadding && LightmapSizeX - 2 > 0 && LightmapSizeY - 2 > 0)
{
PaddedSizeX -= 2;
PaddedSizeY -= 2;
}
const int32 LocalX = FMath::TruncToInt(InterpolatedUV.X * PaddedSizeX);
const int32 LocalY = FMath::TruncToInt(InterpolatedUV.Y * PaddedSizeY);
if (LocalX < 0 || LocalX >= PaddedSizeX
|| LocalY < 0 || LocalY >= PaddedSizeY)
{
UE_LOG(LogStaticLightingSystem, Log, TEXT("Texel selection failed because the lightmap UV's wrap!"));
}
else
{
bFoundLightmapSample = UpdateSelectedTexel(SMComponent, -1, SMComponent->LODData[LODIndex].LightMap, ClickLocation, InterpolatedUV, LocalX, LocalY, LightmapSizeX, LightmapSizeY);
}
}
break;
}
}
if (!bFoundLightmapSample && Indices.Num() > 0)
{
const int32 SelectedTriangle = FMath::RandRange(0, Indices.Num() / 3 - 1);
uint32 Index0 = Indices[SelectedTriangle];
uint32 Index1 = Indices[SelectedTriangle + 1];
uint32 Index2 = Indices[SelectedTriangle + 2];
FVector2D LightmapUV0 = LODModel.VertexBuffer.GetVertexUV(Index0, StaticMesh->LightMapCoordinateIndex);
FVector2D LightmapUV1 = LODModel.VertexBuffer.GetVertexUV(Index1, StaticMesh->LightMapCoordinateIndex);
FVector2D LightmapUV2 = LODModel.VertexBuffer.GetVertexUV(Index2, StaticMesh->LightMapCoordinateIndex);
FVector BaryCentricWeights;
BaryCentricWeights.X = FMath::FRandRange(0, 1);
BaryCentricWeights.Y = FMath::FRandRange(0, 1);
if (BaryCentricWeights.X + BaryCentricWeights.Y >= 1)
{
BaryCentricWeights.X = 1 - BaryCentricWeights.X;
BaryCentricWeights.Y = 1 - BaryCentricWeights.Y;
}
BaryCentricWeights.Z = 1 - BaryCentricWeights.X - BaryCentricWeights.Y;
FVector2D InterpolatedUV = LightmapUV0 * BaryCentricWeights.X + LightmapUV1 * BaryCentricWeights.Y + LightmapUV2 * BaryCentricWeights.Z;
UE_LOG(LogStaticLightingSystem, Log, TEXT("Failed to intersect any triangles, picking random texel"));
int32 PaddedSizeX = LightmapSizeX;
int32 PaddedSizeY = LightmapSizeY;
if (GLightmassDebugOptions.bPadMappings && GAllowLightmapPadding && LightmapSizeX - 2 > 0 && LightmapSizeY - 2 > 0)
{
PaddedSizeX -= 2;
PaddedSizeY -= 2;
}
const int32 LocalX = FMath::TruncToInt(InterpolatedUV.X * PaddedSizeX);
const int32 LocalY = FMath::TruncToInt(InterpolatedUV.Y * PaddedSizeY);
if (LocalX < 0 || LocalX >= PaddedSizeX
|| LocalY < 0 || LocalY >= PaddedSizeY)
{
UE_LOG(LogStaticLightingSystem, Log, TEXT("Texel selection failed because the lightmap UV's wrap!"));
}
else
{
bFoundLightmapSample = UpdateSelectedTexel(SMComponent, -1, SMComponent->LODData[LODIndex].LightMap, ClickLocation, InterpolatedUV, LocalX, LocalY, LightmapSizeX, LightmapSizeY);
}
}
}
}
else if (Model)
{
UWorld* World = Model->LightingLevel->OwningWorld;
check( World);
for (int32 ModelIndex = 0; ModelIndex < World->GetCurrentLevel()->ModelComponents.Num(); ModelIndex++)
{
UModelComponent* CurrentComponent = World->GetCurrentLevel()->ModelComponents[ModelIndex];
int32 LightmapSizeX = 0;
int32 LightmapSizeY = 0;
CurrentComponent->GetLightMapResolution(LightmapSizeX, LightmapSizeY);
if (LightmapSizeX > 0 && LightmapSizeY > 0)
{
for (int32 ElementIndex = 0; ElementIndex < CurrentComponent->GetElements().Num(); ElementIndex++)
{
FModelElement& Element = CurrentComponent->GetElements()[ElementIndex];
TScopedPointer<FRawIndexBuffer16or32>* IndexBufferRef = Model->MaterialIndexBuffers.Find(Element.Material);
check(IndexBufferRef);
for(uint32 TriangleIndex = Element.FirstIndex; TriangleIndex < Element.FirstIndex + Element.NumTriangles * 3; TriangleIndex += 3)
{
uint32 Index0 = (*IndexBufferRef)->Indices[TriangleIndex];
uint32 Index1 = (*IndexBufferRef)->Indices[TriangleIndex + 1];
uint32 Index2 = (*IndexBufferRef)->Indices[TriangleIndex + 2];
FModelVertex* ModelVertices = (FModelVertex*)Model->VertexBuffer.Vertices.GetData();
FVector Position0 = ModelVertices[Index0].Position;
FVector Position1 = ModelVertices[Index1].Position;
FVector Position2 = ModelVertices[Index2].Position;
FVector BaryCentricWeights;
// Continue if click location is in the triangle and get its barycentric weights
if (GetBarycentricWeights(Position0, Position1, Position2, ClickLocation, .001f, BaryCentricWeights))
{
RestoreSelectedLightmapSample();
// Fetch lightmap UV's
FVector2D LightmapUV0 = ModelVertices[Index0].ShadowTexCoord;
FVector2D LightmapUV1 = ModelVertices[Index1].ShadowTexCoord;
FVector2D LightmapUV2 = ModelVertices[Index2].ShadowTexCoord;
// Interpolate lightmap UV's to the click location
FVector2D InterpolatedUV = LightmapUV0 * BaryCentricWeights.X + LightmapUV1 * BaryCentricWeights.Y + LightmapUV2 * BaryCentricWeights.Z;
// Find the node index belonging to the selected triangle
const UModel* CurrentModel = CurrentComponent->GetModel();
int32 SelectedNodeIndex = INDEX_NONE;
for (int32 ElementNodeIndex = 0; ElementNodeIndex < Element.Nodes.Num(); ElementNodeIndex++)
{
const FBspNode& CurrentNode = CurrentModel->Nodes[Element.Nodes[ElementNodeIndex]];
if ((int32)Index0 >= CurrentNode.iVertexIndex && (int32)Index0 < CurrentNode.iVertexIndex + CurrentNode.NumVertices)
{
SelectedNodeIndex = Element.Nodes[ElementNodeIndex];
}
}
check(SelectedNodeIndex >= 0);
TArray<ULightComponentBase*> DummyLights;
// fill out the model's NodeGroups (not the mapping part of it, but the nodes part)
Model->GroupAllNodes(World->GetCurrentLevel(), DummyLights);
// Find the FGatheredSurface that the selected node got put into during the last lighting rebuild
TArray<int32> GatheredNodes;
// find the NodeGroup that this node went into, and get all of its node
for (TMap<int32, FNodeGroup*>::TIterator It(Model->NodeGroups); It && GatheredNodes.Num() == 0; ++It)
{
FNodeGroup* NodeGroup = It.Value();
for (int32 NodeIndex = 0; NodeIndex < NodeGroup->Nodes.Num(); NodeIndex++)
{
if (NodeGroup->Nodes[NodeIndex] == SelectedNodeIndex)
{
GatheredNodes = NodeGroup->Nodes;
break;
}
}
}
check(GatheredNodes.Num() > 0);
// use the surface of the selected node, it will have to suffice for the GetSurfaceLightMapResolution() call
int32 SelectedGatheredSurfIndex = Model->Nodes[SelectedNodeIndex].iSurf;
// Get the lightmap resolution used by the FGatheredSurface containing the selected node
FMatrix WorldToMap;
CurrentComponent->GetSurfaceLightMapResolution(SelectedGatheredSurfIndex, 1, LightmapSizeX, LightmapSizeY, WorldToMap, &GatheredNodes);
int32 PaddedSizeX = LightmapSizeX;
int32 PaddedSizeY = LightmapSizeY;
if (GLightmassDebugOptions.bPadMappings && GAllowLightmapPadding && LightmapSizeX - 2 > 0 && LightmapSizeY - 2 > 0)
{
PaddedSizeX -= 2;
PaddedSizeY -= 2;
}
check(LightmapSizeX > 0 && LightmapSizeY > 0);
// Apply the transform to the intersection position to find the local texel coordinates
const FVector4 StaticLightingTextureCoordinate = WorldToMap.TransformPosition(ClickLocation);
const int32 LocalX = FMath::TruncToInt(StaticLightingTextureCoordinate.X * PaddedSizeX);
const int32 LocalY = FMath::TruncToInt(StaticLightingTextureCoordinate.Y * PaddedSizeY);
check(LocalX >= 0 && LocalX < PaddedSizeX && LocalY >= 0 && LocalY < PaddedSizeY);
bFoundLightmapSample = UpdateSelectedTexel(
CurrentComponent,
SelectedNodeIndex,
Element.LightMap,
ClickLocation,
InterpolatedUV,
LocalX, LocalY,
LightmapSizeX, LightmapSizeY);
if (!bFoundLightmapSample)
{
RestoreSelectedLightmapSample();
GCurrentSelectedLightmapSample = FSelectedLightmapSample();
}
return;
}
}
}
}
}
}
if (!bFoundLightmapSample)
{
RestoreSelectedLightmapSample();
GCurrentSelectedLightmapSample = FSelectedLightmapSample();
}
}
/** Add a new statistic to the internal map (or update an existing one) from the supplied component */
UPrimitiveStats* Add(UPrimitiveComponent* InPrimitiveComponent, EPrimitiveObjectSets InObjectSet)
{
// Objects in transient package or transient objects are not part of level.
if( InPrimitiveComponent->GetOutermost() == GetTransientPackage() || InPrimitiveComponent->HasAnyFlags( RF_Transient ) )
{
return NULL;
}
// Owned by a default object? Not part of a level either.
if(InPrimitiveComponent->GetOuter() && InPrimitiveComponent->GetOuter()->IsDefaultSubobject() )
{
return NULL;
}
UStaticMeshComponent* StaticMeshComponent = Cast<UStaticMeshComponent>(InPrimitiveComponent);
UModelComponent* ModelComponent = Cast<UModelComponent>(InPrimitiveComponent);
USkeletalMeshComponent* SkeletalMeshComponent = Cast<USkeletalMeshComponent>(InPrimitiveComponent);
ULandscapeComponent* LandscapeComponent = Cast<ULandscapeComponent>(InPrimitiveComponent);
UObject* Resource = NULL;
AActor* ActorOuter = Cast<AActor>(InPrimitiveComponent->GetOuter());
int32 VertexColorMem = 0;
int32 InstVertexColorMem = 0;
// Calculate number of direct and other lights relevant to this component.
int32 LightsLMCount = 0;
int32 LightsOtherCount = 0;
bool bUsesOnlyUnlitMaterials = InPrimitiveComponent->UsesOnlyUnlitMaterials();
// The static mesh is a static mesh component's resource.
if( StaticMeshComponent )
{
UStaticMesh* Mesh = StaticMeshComponent->StaticMesh;
Resource = Mesh;
// Calculate vertex color memory on the actual mesh.
if( Mesh && Mesh->RenderData )
{
// Accumulate memory for each LOD
for( int32 LODIndex = 0; LODIndex < Mesh->RenderData->LODResources.Num(); ++LODIndex )
{
VertexColorMem += Mesh->RenderData->LODResources[LODIndex].ColorVertexBuffer.GetAllocatedSize();
}
}
// Calculate instanced vertex color memory used on the component.
for( int32 LODIndex = 0; LODIndex < StaticMeshComponent->LODData.Num(); ++LODIndex )
{
// Accumulate memory for each LOD
const FStaticMeshComponentLODInfo& LODInfo = StaticMeshComponent->LODData[ LODIndex ];
if( LODInfo.OverrideVertexColors )
{
InstVertexColorMem += LODInfo.OverrideVertexColors->GetAllocatedSize();
}
}
// Calculate the number of lightmap and shadow map lights
if( !bUsesOnlyUnlitMaterials )
{
if( StaticMeshComponent->LODData.Num() > 0 )
{
FStaticMeshComponentLODInfo& ComponentLODInfo = StaticMeshComponent->LODData[0];
if( ComponentLODInfo.LightMap )
{
LightsLMCount = ComponentLODInfo.LightMap->LightGuids.Num();
}
}
}
}
// A model component is its own resource.
else if( ModelComponent )
{
// Make sure model component is referenced by level.
ULevel* Level = CastChecked<ULevel>(ModelComponent->GetOuter());
if( Level->ModelComponents.Find( ModelComponent ) != INDEX_NONE )
{
Resource = ModelComponent->GetModel();
// Calculate the number of lightmap and shadow map lights
if( !bUsesOnlyUnlitMaterials )
{
const TIndirectArray<FModelElement> Elements = ModelComponent->GetElements();
if( Elements.Num() > 0 )
{
if( Elements[0].LightMap )
{
LightsLMCount = Elements[0].LightMap->LightGuids.Num();
}
}
}
}
}
// The skeletal mesh of a skeletal mesh component is its resource.
else if( SkeletalMeshComponent )
{
USkeletalMesh* Mesh = SkeletalMeshComponent->SkeletalMesh;
Resource = Mesh;
// Calculate vertex color usage for skeletal meshes
if( Mesh )
{
FSkeletalMeshResource* SkelMeshResource = Mesh->GetResourceForRendering();
for( int32 LODIndex = 0; LODIndex < SkelMeshResource->LODModels.Num(); ++LODIndex )
{
const FStaticLODModel& LODModel = SkelMeshResource->LODModels[ LODIndex ];
VertexColorMem += LODModel.ColorVertexBuffer.GetVertexDataSize();
}
}
}
// The landscape of a landscape component is its resource.
else if (LandscapeComponent)
{
Resource = LandscapeComponent->GetLandscapeProxy();
if (LandscapeComponent->LightMap)
{
LightsLMCount = LandscapeComponent->LightMap->LightGuids.Num();
}
}
UWorld* World = InPrimitiveComponent->GetWorld();
// check(World); // @todo: re-instate this check once the GWorld migration has completed
/// If we should skip the actor. Skip if the actor has no outer or if we are only showing selected actors and the actor isn't selected
const bool bShouldSkip = World == NULL || ActorOuter == NULL || (ActorOuter != NULL && InObjectSet == PrimitiveObjectSets_SelectedObjects && ActorOuter->IsSelected() == false );
// Dont' care about components without a resource.
if( Resource
// Require actor association for selection and to disregard mesh emitter components. The exception being model components.
&& (!bShouldSkip || (ModelComponent && InObjectSet != PrimitiveObjectSets_SelectedObjects ) )
// Only list primitives in visible levels
&& IsInVisibleLevel( InPrimitiveComponent, World )
// Don't list pending kill components.
&& !InPrimitiveComponent->IsPendingKill() )
{
// Retrieve relevant lights.
TArray<const ULightComponent*> RelevantLights;
World->Scene->GetRelevantLights( InPrimitiveComponent, &RelevantLights );
// Only look for relevant lights if we aren't unlit.
if( !bUsesOnlyUnlitMaterials )
{
// Lightmap and shadow map lights are calculated above, per component type, infer the "other" light count here
LightsOtherCount = RelevantLights.Num() >= LightsLMCount ? RelevantLights.Num() - LightsLMCount : 0;
}
// Figure out memory used by light and shadow maps and light/ shadow map resolution.
int32 LightMapWidth = 0;
int32 LightMapHeight = 0;
InPrimitiveComponent->GetLightMapResolution( LightMapWidth, LightMapHeight );
int32 LMSMResolution = FMath::Sqrt( LightMapHeight * LightMapWidth );
int32 LightMapData = 0;
int32 LegacyShadowMapData = 0;
InPrimitiveComponent->GetLightAndShadowMapMemoryUsage( LightMapData, LegacyShadowMapData );
// Check whether we already have an entry for the associated static mesh.
UPrimitiveStats** StatsEntryPtr = ResourceToStatsMap.Find( Resource );
if( StatsEntryPtr )
{
check(*StatsEntryPtr);
UPrimitiveStats* StatsEntry = *StatsEntryPtr;
// We do. Update existing entry.
StatsEntry->Count++;
StatsEntry->Actors.AddUnique(ActorOuter);
StatsEntry->RadiusMin = FMath::Min( StatsEntry->RadiusMin, InPrimitiveComponent->Bounds.SphereRadius );
StatsEntry->RadiusMax = FMath::Max( StatsEntry->RadiusMax, InPrimitiveComponent->Bounds.SphereRadius );
StatsEntry->RadiusAvg += InPrimitiveComponent->Bounds.SphereRadius;
StatsEntry->LightsLM += LightsLMCount;
StatsEntry->LightsOther += LightsOtherCount;
StatsEntry->LightMapData += (float)LightMapData / 1024.0f;
StatsEntry->LMSMResolution += LMSMResolution;
StatsEntry->UpdateNames();
if ( !ModelComponent && !LandscapeComponent )
{
// Count instanced sections
StatsEntry->InstSections += StatsEntry->Sections;
StatsEntry->InstTriangles += StatsEntry->Triangles;
}
// ... in the case of a model component (aka BSP).
if( ModelComponent )
{
// If Count represents the Model itself, we do NOT want to increment it now.
StatsEntry->Count--;
for (const auto& Element : ModelComponent->GetElements())
{
StatsEntry->Triangles += Element.NumTriangles;
StatsEntry->Sections++;
}
StatsEntry->InstSections = StatsEntry->Sections;
StatsEntry->InstTriangles = StatsEntry->Triangles;
}
else if( StaticMeshComponent )
{
// This stat is used by multiple components so accumulate instanced vertex color memory.
StatsEntry->InstVertexColorMem += (float)InstVertexColorMem / 1024.0f;
}
else if (LandscapeComponent)
{
// If Count represents the Landscape itself, we do NOT want to increment it now.
StatsEntry->Count--;
}
}
else
{
// We don't. Create new base entry.
UPrimitiveStats* NewStatsEntry = NewObject<UPrimitiveStats>();
NewStatsEntry->AddToRoot();
NewStatsEntry->Object = Resource;
NewStatsEntry->Actors.AddUnique(ActorOuter);
NewStatsEntry->Count = 1;
NewStatsEntry->Triangles = 0;
NewStatsEntry->InstTriangles = 0;
NewStatsEntry->ResourceSize = (float)(FArchiveCountMem(Resource).GetNum() + Resource->GetResourceSize(EResourceSizeMode::Exclusive)) / 1024.0f;
NewStatsEntry->Sections = 0;
NewStatsEntry->InstSections = 0;
NewStatsEntry->RadiusMin = InPrimitiveComponent->Bounds.SphereRadius;
NewStatsEntry->RadiusAvg = InPrimitiveComponent->Bounds.SphereRadius;
NewStatsEntry->RadiusMax = InPrimitiveComponent->Bounds.SphereRadius;
NewStatsEntry->LightsLM = LightsLMCount;
NewStatsEntry->LightsOther = (float)LightsOtherCount;
NewStatsEntry->LightMapData = (float)LightMapData / 1024.0f;
NewStatsEntry->LMSMResolution = LMSMResolution;
NewStatsEntry->VertexColorMem = (float)VertexColorMem / 1024.0f;
NewStatsEntry->InstVertexColorMem = (float)InstVertexColorMem / 1024.0f;
NewStatsEntry->UpdateNames();
// Fix up triangle and section count...
// ... in the case of a static mesh component.
if( StaticMeshComponent )
{
UStaticMesh* StaticMesh = StaticMeshComponent->StaticMesh;
if( StaticMesh && StaticMesh->RenderData )
{
for( int32 SectionIndex=0; SectionIndex<StaticMesh->RenderData->LODResources[0].Sections.Num(); SectionIndex++ )
{
const FStaticMeshSection& StaticMeshSection = StaticMesh->RenderData->LODResources[0].Sections[SectionIndex];
NewStatsEntry->Triangles += StaticMeshSection.NumTriangles;
NewStatsEntry->Sections++;
}
}
}
// ... in the case of a model component (aka BSP).
else if( ModelComponent )
{
TIndirectArray<FModelElement> Elements = ModelComponent->GetElements();
for( int32 ElementIndex=0; ElementIndex<Elements.Num(); ElementIndex++ )
{
const FModelElement& Element = Elements[ElementIndex];
NewStatsEntry->Triangles += Element.NumTriangles;
NewStatsEntry->Sections++;
}
}
// ... in the case of skeletal mesh component.
else if( SkeletalMeshComponent )
{
USkeletalMesh* SkeletalMesh = SkeletalMeshComponent->SkeletalMesh;
if( SkeletalMesh )
{
FSkeletalMeshResource* SkelMeshResource = SkeletalMesh->GetResourceForRendering();
if (SkelMeshResource->LODModels.Num())
{
const FStaticLODModel& BaseLOD = SkelMeshResource->LODModels[0];
for( int32 SectionIndex=0; SectionIndex<BaseLOD.Sections.Num(); SectionIndex++ )
{
const FSkelMeshSection& Section = BaseLOD.Sections[SectionIndex];
NewStatsEntry->Triangles += Section.NumTriangles;
NewStatsEntry->Sections++;
}
}
}
}
else if (LandscapeComponent)
{
TSet<UTexture2D*> UniqueTextures;
for (auto ItComponents = LandscapeComponent->GetLandscapeProxy()->LandscapeComponents.CreateConstIterator(); ItComponents; ++ItComponents)
{
const ULandscapeComponent* CurrentComponent = *ItComponents;
// count triangles and sections in the landscape
NewStatsEntry->Triangles += FMath::Square(CurrentComponent->ComponentSizeQuads) * 2;
NewStatsEntry->Sections += FMath::Square(CurrentComponent->NumSubsections);
// count resource usage of landscape
bool bNotUnique = false;
UniqueTextures.Add(CurrentComponent->HeightmapTexture, &bNotUnique);
if (!bNotUnique)
{
NewStatsEntry->ResourceSize += CurrentComponent->HeightmapTexture->GetResourceSize(EResourceSizeMode::Exclusive);
}
if (CurrentComponent->XYOffsetmapTexture)
{
UniqueTextures.Add(CurrentComponent->XYOffsetmapTexture, &bNotUnique);
if (!bNotUnique)
{
NewStatsEntry->ResourceSize += CurrentComponent->XYOffsetmapTexture->GetResourceSize(EResourceSizeMode::Exclusive);
}
}
for (auto ItWeightmaps = CurrentComponent->WeightmapTextures.CreateConstIterator(); ItWeightmaps; ++ItWeightmaps)
{
UniqueTextures.Add((*ItWeightmaps), &bNotUnique);
if (!bNotUnique)
{
NewStatsEntry->ResourceSize += (*ItWeightmaps)->GetResourceSize(EResourceSizeMode::Exclusive);
}
}
}
}
NewStatsEntry->InstTriangles = NewStatsEntry->Triangles;
NewStatsEntry->InstSections = NewStatsEntry->Sections;
// Add to map.
ResourceToStatsMap.Add( Resource, NewStatsEntry );
return NewStatsEntry;
}
}
return NULL;
}
void SetLevelVisibility(ULevel* Level, bool bShouldBeVisible, bool bForceLayersVisible)
{
// Nothing to do
if ( Level == NULL )
{
return;
}
// Handle the case of the p-level
// The p-level can't be unloaded, so its actors/BSP should just be temporarily hidden/unhidden
// Also, intentionally do not force layers visible for the p-level
if ( Level->IsPersistentLevel() )
{
//create a transaction so we can undo the visibilty toggle
const FScopedTransaction Transaction( LOCTEXT( "ToggleLevelVisibility", "Toggle Level Visibility" ) );
if ( Level->bIsVisible != bShouldBeVisible )
{
Level->Modify();
}
// Set the visibility of each actor in the p-level
for ( TArray<AActor*>::TIterator PLevelActorIter( Level->Actors ); PLevelActorIter; ++PLevelActorIter )
{
AActor* CurActor = *PLevelActorIter;
if ( CurActor && !FActorEditorUtils::IsABuilderBrush(CurActor) && CurActor->bHiddenEdLevel == bShouldBeVisible )
{
CurActor->Modify();
CurActor->bHiddenEdLevel = !bShouldBeVisible;
CurActor->RegisterAllComponents();
CurActor->MarkComponentsRenderStateDirty();
}
}
// Set the visibility of each BSP surface in the p-level
UModel* CurLevelModel = Level->Model;
if ( CurLevelModel )
{
CurLevelModel->Modify();
for ( TArray<FBspSurf>::TIterator SurfaceIterator( CurLevelModel->Surfs ); SurfaceIterator; ++SurfaceIterator )
{
FBspSurf& CurSurf = *SurfaceIterator;
CurSurf.bHiddenEdLevel = !bShouldBeVisible;
}
}
// Add/remove model components from the scene
for(int32 ComponentIndex = 0; ComponentIndex < Level->ModelComponents.Num(); ComponentIndex++)
{
UModelComponent* CurLevelModelCmp = Level->ModelComponents[ComponentIndex];
if(CurLevelModelCmp)
{
if (bShouldBeVisible && CurLevelModelCmp)
{
CurLevelModelCmp->RegisterComponentWithWorld(Level->OwningWorld);
}
else if (!bShouldBeVisible && CurLevelModelCmp->IsRegistered())
{
CurLevelModelCmp->UnregisterComponent();
}
}
}
FEditorSupportDelegates::RedrawAllViewports.Broadcast();
}
else
{
ULevelStreaming* StreamingLevel = NULL;
if (Level->OwningWorld == NULL || Level->OwningWorld->PersistentLevel != Level )
{
StreamingLevel = FLevelUtils::FindStreamingLevel( Level );
}
// If were hiding a level, lets make sure to close the level transform mode if its the same level currently selected for edit
FEdModeLevel* LevelMode = static_cast<FEdModeLevel*>(GEditorModeTools().GetActiveMode( FBuiltinEditorModes::EM_Level ));
if( LevelMode && LevelMode->IsEditing( StreamingLevel ) )
{
GEditorModeTools().DeactivateMode( FBuiltinEditorModes::EM_Level );
}
//create a transaction so we can undo the visibilty toggle
const FScopedTransaction Transaction( LOCTEXT( "ToggleLevelVisibility", "Toggle Level Visibility" ) );
// Handle the case of a streaming level
if ( StreamingLevel )
{
// We need to set the RF_Transactional to make a streaming level serialize itself. so store the original ones, set the flag, and put the original flags back when done
EObjectFlags cachedFlags = StreamingLevel->GetFlags();
StreamingLevel->SetFlags( RF_Transactional );
StreamingLevel->Modify();
StreamingLevel->SetFlags( cachedFlags );
// Set the visibility state for this streaming level.
StreamingLevel->bShouldBeVisibleInEditor = bShouldBeVisible;
}
if( !bShouldBeVisible )
{
GEditor->Layers->RemoveLevelLayerInformation( Level );
}
// UpdateLevelStreaming sets Level->bIsVisible directly, so we need to make sure it gets saved to the transaction buffer.
if ( Level->bIsVisible != bShouldBeVisible )
{
Level->Modify();
}
if ( StreamingLevel )
{
Level->OwningWorld->FlushLevelStreaming();
// In the Editor we expect this operation will complete in a single call
check(Level->bIsVisible == bShouldBeVisible);
}
else if (Level->OwningWorld != NULL)
{
// In case we level has no associated StreamingLevel, remove or add to world directly
if (bShouldBeVisible)
{
if (!Level->bIsVisible)
{
Level->OwningWorld->AddToWorld(Level);
}
}
else
{
Level->OwningWorld->RemoveFromWorld(Level);
}
// In the Editor we expect this operation will complete in a single call
check(Level->bIsVisible == bShouldBeVisible);
}
if( bShouldBeVisible )
{
GEditor->Layers->AddLevelLayerInformation( Level );
}
// Force the level's layers to be visible, if desired
FEditorSupportDelegates::RedrawAllViewports.Broadcast();
// Iterate over the level's actors, making a list of their layers and unhiding the layers.
TTransArray<AActor*>& Actors = Level->Actors;
for ( int32 ActorIndex = 0 ; ActorIndex < Actors.Num() ; ++ActorIndex )
{
AActor* Actor = Actors[ ActorIndex ];
if ( Actor )
{
bool bModified = false;
if ( bShouldBeVisible && bForceLayersVisible && GEditor->Layers->IsActorValidForLayer( Actor ) )
{
// Make the actor layer visible, if it's not already.
if ( Actor->bHiddenEdLayer )
{
bModified = Actor->Modify();
Actor->bHiddenEdLayer = false;
}
const bool bIsVisible = true;
GEditor->Layers->SetLayersVisibility( Actor->Layers, bIsVisible );
}
// Set the visibility of each actor in the streaming level
if ( !FActorEditorUtils::IsABuilderBrush(Actor) && Actor->bHiddenEdLevel == bShouldBeVisible )
{
if ( !bModified )
{
bModified = Actor->Modify();
}
Actor->bHiddenEdLevel = !bShouldBeVisible;
if (bShouldBeVisible)
{
Actor->ReregisterAllComponents();
}
else
{
Actor->UnregisterAllComponents();
}
}
}
}
}
FEditorDelegates::RefreshLayerBrowser.Broadcast();
// Notify the Scene Outliner, as new Actors may be present in the world.
GEngine->BroadcastLevelActorsChanged();
// If the level is being hidden, deselect actors and surfaces that belong to this level.
if ( !bShouldBeVisible )
{
USelection* SelectedActors = GEditor->GetSelectedActors();
SelectedActors->Modify();
TTransArray<AActor*>& Actors = Level->Actors;
for ( int32 ActorIndex = 0 ; ActorIndex < Actors.Num() ; ++ActorIndex )
{
AActor* Actor = Actors[ ActorIndex ];
if ( Actor )
{
SelectedActors->Deselect( Actor );
}
}
DeselectAllSurfacesInLevel(Level);
// Tell the editor selection status was changed.
GEditor->NoteSelectionChange();
}
Level->bIsVisible = bShouldBeVisible;
}
