void UStaticMeshComponent::InvalidateLightingCacheDetailed(bool bInvalidateBuildEnqueuedLighting, bool bTranslationOnly)
{
if(bHasCachedStaticLighting)
{
// Save the static mesh state for transactions, force it to be marked dirty if we are going to discard any static lighting data.
Modify(true);
// Detach the component from the scene for the duration of this function.
FComponentReregisterContext ReregisterContext(this);
// Block until the RT processes the unregister before modifying variables that it may need to access
FlushRenderingCommands();
Super::InvalidateLightingCacheDetailed(bInvalidateBuildEnqueuedLighting, bTranslationOnly);
// Discard all cached lighting.
check(AttachmentCounter.GetValue() == 0);
IrrelevantLights.Empty();
for(int32 i = 0; i < LODData.Num(); i++)
{
FStaticMeshComponentLODInfo& LODDataElement = LODData[i];
LODDataElement.LightMap = NULL;
LODDataElement.ShadowMap = NULL;
}
}
if (bInvalidateBuildEnqueuedLighting)
{
bStaticLightingBuildEnqueued = false;
}
}
/** Invalidates the light's cached lighting with the option to recreate the light Guids. */
void ULightComponent::InvalidateLightingCacheInner(bool bRecreateLightGuids)
{
// Save the light state for transactions.
Modify();
// Detach the component from the scene for the duration of this function.
FComponentReregisterContext ReregisterContext(this);
// Block until the RT processes the unregister before modifying variables that it may need to access
FlushRenderingCommands();
StaticShadowDepthMap.Empty();
BeginReleaseResource(&StaticShadowDepthMap);
bPrecomputedLightingIsValid = false;
if (bRecreateLightGuids)
{
// Create new guids for light.
UpdateLightGUIDs();
}
else
{
ValidateLightGUIDs();
ShadowMapChannel = INDEX_NONE;
}
// Send to render thread
MarkRenderStateDirty();
}
void FLODUtilities::RemoveLOD(FSkeletalMeshUpdateContext& UpdateContext, int32 DesiredLOD )
{
USkeletalMesh* SkeletalMesh = UpdateContext.SkeletalMesh;
FSkeletalMeshResource* SkelMeshResource = SkeletalMesh->GetImportedResource();
if( SkelMeshResource->LODModels.Num() == 1 )
{
FMessageDialog::Open( EAppMsgType::Ok, NSLOCTEXT("UnrealEd", "NoLODToRemove", "No LODs to remove!") );
return;
}
// Now display combo to choose which LOD to remove.
TArray<FString> LODStrings;
LODStrings.AddZeroed( SkelMeshResource->LODModels.Num()-1 );
for(int32 i=0; i<SkelMeshResource->LODModels.Num()-1; i++)
{
LODStrings[i] = FString::Printf( TEXT("%d"), i+1 );
}
check( SkeletalMesh->LODInfo.Num() == SkelMeshResource->LODModels.Num() );
// If its a valid LOD, kill it.
if( DesiredLOD > 0 && DesiredLOD < SkelMeshResource->LODModels.Num() )
{
//We'll be modifying the skel mesh data so reregister
//TODO - do we need to reregister something else instead?
FMultiComponentReregisterContext ReregisterContext(UpdateContext.AssociatedComponents);
// Release rendering resources before deleting LOD
SkelMeshResource->ReleaseResources();
// Block until this is done
FlushRenderingCommands();
SkelMeshResource->LODModels.RemoveAt(DesiredLOD);
SkeletalMesh->LODInfo.RemoveAt(DesiredLOD);
SkeletalMesh->InitResources();
RefreshLODChange(SkeletalMesh);
// Set the forced LOD to Auto.
for(auto Iter = UpdateContext.AssociatedComponents.CreateIterator(); Iter; ++Iter)
{
USkinnedMeshComponent* SkinnedComponent = Cast<USkinnedMeshComponent>(*Iter);
if(SkinnedComponent)
{
SkinnedComponent->ForcedLodModel = 0;
}
}
//Notify calling system of change
UpdateContext.OnLODChanged.ExecuteIfBound();
// Mark things for saving.
SkeletalMesh->MarkPackageDirty();
}
}
void SStaticMeshEditorViewport::SetPreviewMesh(UStaticMesh* InStaticMesh)
{
// Set the new preview static mesh.
FComponentReregisterContext ReregisterContext( PreviewMeshComponent );
PreviewMeshComponent->StaticMesh = InStaticMesh;
FTransform Transform = FTransform::Identity;
PreviewScene.AddComponent( PreviewMeshComponent, Transform );
EditorViewportClient->SetPreviewMesh(InStaticMesh, PreviewMeshComponent);
}
void SDestructibleMeshEditorViewport::SetPreviewMesh(UDestructibleMesh* InDestructibleMesh)
{
DestructibleMesh = InDestructibleMesh;
FComponentReregisterContext ReregisterContext( PreviewComponent );
PreviewComponent->SetSkeletalMesh(InDestructibleMesh);
FTransform Transform = FTransform::Identity;
PreviewScene.AddComponent( PreviewComponent, Transform );
EditorViewportClient->SetPreviewComponent(PreviewComponent);
}
void SNiagaraEffectEditorViewport::SetPreviewEffect(FNiagaraEffectInstance *InPreviewEffect)
{
check( PreviewComponent );
FTransform Transform = FTransform::Identity;
PreviewScene.RemoveComponent(PreviewComponent);
PreviewScene.AddComponent(PreviewComponent, Transform);
{
FComponentReregisterContext ReregisterContext(PreviewComponent);
}
PreviewComponent->SetEffectInstance(InPreviewEffect);
PreviewComponent->GetEffectInstance()->Init(PreviewComponent);
}
void SStaticMeshEditorViewport::ForceLODLevel(int32 InForcedLOD)
{
PreviewMeshComponent->ForcedLodModel = InForcedLOD;
{FComponentReregisterContext ReregisterContext(PreviewMeshComponent);}
SceneViewport->Invalidate();
}
bool SetApexDestructibleAsset(UDestructibleMesh& DestructibleMesh, NxDestructibleAsset& ApexDestructibleAsset, FSkeletalMeshImportData* OutData, EDestructibleImportOptions::Type Options)
{
DestructibleMesh.PreEditChange(NULL);
ExistingDestMeshData * ExistDestMeshDataPtr = SaveExistingDestMeshData(&DestructibleMesh);
// The asset is going away, which will destroy any actors created from it. We must destroy the physics state of any destructible mesh components before we release the asset.
for(TObjectIterator<UDestructibleComponent> It; It; ++It)
{
UDestructibleComponent* DestructibleComponent = *It;
if(DestructibleComponent->SkeletalMesh == &DestructibleMesh && DestructibleComponent->IsPhysicsStateCreated())
{
DestructibleComponent->DestroyPhysicsState();
}
}
// Release old NxDestructibleAsset if it exists
if (DestructibleMesh.ApexDestructibleAsset != NULL && DestructibleMesh.ApexDestructibleAsset != &ApexDestructibleAsset)
{
GPhysCommandHandler->DeferredRelease(DestructibleMesh.ApexDestructibleAsset);
}
// BRGTODO - need to remove the render data from the ApexDestructibleAsset, no longer need it
// Removing const cast ... we'll have to make it non-const anyway when we modify it
DestructibleMesh.ApexDestructibleAsset = &ApexDestructibleAsset;
if ( !(Options&EDestructibleImportOptions::PreserveSettings) )
{
// Resize the depth parameters array to the appropriate size
DestructibleMesh.DefaultDestructibleParameters.DepthParameters.Init(FDestructibleDepthParameters(), ApexDestructibleAsset.getDepthCount());
// Resize the fracture effects array to the appropriate size
DestructibleMesh.FractureEffects.AddZeroed(ApexDestructibleAsset.getDepthCount());
// Load the UnrealEd-editable parameters from the destructible asset
DestructibleMesh.LoadDefaultDestructibleParametersFromApexAsset();
}
// Create body setup for the destructible mesh
DestructibleMesh.CreateBodySetup();
#if 0 // BRGTODO
// warning for missing smoothing group info
CheckSmoothingInfo(FbxMesh);
#endif
FSkeletalMeshImportData TempData;
// Fill with data from buffer
FSkeletalMeshImportData* SkelMeshImportDataPtr = &TempData;
if( OutData )
{
SkelMeshImportDataPtr = OutData;
}
// Get all material names here
ImportMaterialsForSkelMesh(*SkelMeshImportDataPtr, ApexDestructibleAsset);
// Import animation hierarchy, although this is trivial for an Apex Destructible Asset
CreateBones(*SkelMeshImportDataPtr, ApexDestructibleAsset);
// Import graphics data
bool bHaveNormals, bHaveTangents;
if (!FillSkelMeshImporterFromApexDestructibleAsset(*SkelMeshImportDataPtr, ApexDestructibleAsset, bHaveNormals, bHaveTangents))
{
return false;
}
#if 0 // BRGTODO - what is this?
if( SkelMeshImportDataPtr->Materials.Num() == FbxMatList.Num() )
{
// reorder material according to "SKinXX" in material name
SetMaterialSkinXXOrder(*SkelMeshImportDataPtr, FbxMatList );
}
#endif
#if 0 // BRGTODO - what is this?
if( ImportOptions->bSplitNonMatchingTriangles )
{
DoUnSmoothVerts(*SkelMeshImportDataPtr);
}
#endif
// process materials from import data
ProcessImportMeshMaterials( DestructibleMesh.Materials,*SkelMeshImportDataPtr );
// process reference skeleton from import data
int32 SkeletalDepth=0;
if(!ProcessImportMeshSkeleton(DestructibleMesh.RefSkeleton, SkeletalDepth, *SkelMeshImportDataPtr))
{
return false;
}
UE_LOG(LogApexDestructibleAssetImport, Warning, TEXT("Bones digested - %i Depth of hierarchy - %i"), DestructibleMesh.RefSkeleton.GetNum(), SkeletalDepth);
// process bone influences from import data
ProcessImportMeshInfluences(*SkelMeshImportDataPtr);
FSkeletalMeshResource& DestructibleMeshResource = *DestructibleMesh.GetImportedResource();
check(DestructibleMeshResource.LODModels.Num() == 0);
DestructibleMeshResource.LODModels.Empty();
new(DestructibleMeshResource.LODModels)FStaticLODModel();
DestructibleMesh.LODInfo.Empty();
DestructibleMesh.LODInfo.AddZeroed();
DestructibleMesh.LODInfo[0].LODHysteresis = 0.02f;
// Create initial bounding box based on expanded version of reference pose for meshes without physics assets. Can be overridden by artist.
FBox BoundingBox(SkelMeshImportDataPtr->Points.GetData(), SkelMeshImportDataPtr->Points.Num());
DestructibleMesh.Bounds= FBoxSphereBounds(BoundingBox);
// Store whether or not this mesh has vertex colors
DestructibleMesh.bHasVertexColors = SkelMeshImportDataPtr->bHasVertexColors;
FStaticLODModel& LODModel = DestructibleMeshResource.LODModels[0];
// Pass the number of texture coordinate sets to the LODModel. Ensure there is at least one UV coord
LODModel.NumTexCoords = FMath::Max<uint32>(1,SkelMeshImportDataPtr->NumTexCoords);
// if( bCreateRenderData ) // We always create render data
{
// copy vertex data needed to generate skinning streams for LOD
TArray<FVector> LODPoints;
TArray<FMeshWedge> LODWedges;
TArray<FMeshFace> LODFaces;
TArray<FVertInfluence> LODInfluences;
TArray<int32> LODPointToRawMap;
SkelMeshImportDataPtr->CopyLODImportData(LODPoints,LODWedges,LODFaces,LODInfluences,LODPointToRawMap);
IMeshUtilities& MeshUtilities = FModuleManager::Get().LoadModuleChecked<IMeshUtilities>("MeshUtilities");
// Create actual rendering data.
if (!MeshUtilities.BuildSkeletalMesh(DestructibleMeshResource.LODModels[0], DestructibleMesh.RefSkeleton, LODInfluences,LODWedges,LODFaces,LODPoints,LODPointToRawMap,false,!bHaveNormals,!bHaveTangents))
{
DestructibleMesh.MarkPendingKill();
return false;
}
// Presize the per-section shadow casting array with the number of sections in the imported LOD.
const int32 NumSections = LODModel.Sections.Num();
for ( int32 SectionIndex = 0 ; SectionIndex < NumSections ; ++SectionIndex )
{
DestructibleMesh.LODInfo[0].TriangleSortSettings.AddZeroed();
}
if (ExistDestMeshDataPtr)
{
RestoreExistingDestMeshData(ExistDestMeshDataPtr, &DestructibleMesh);
delete ExistDestMeshDataPtr;
ExistDestMeshDataPtr = NULL;
}
DestructibleMesh.CalculateInvRefMatrices();
DestructibleMesh.PostEditChange();
DestructibleMesh.MarkPackageDirty();
#if 0 // BRGTODO : Check, we don't need this, do we?
// We have to go and fix any AnimSetMeshLinkup objects that refer to this skeletal mesh, as the reference skeleton has changed.
for(TObjectIterator<UAnimSet> It;It;++It)
{
UAnimSet* AnimSet = *It;
// Get DestructibleMesh path name
FName SkelMeshName = FName( *DestructibleMesh.GetPathName() );
// See if we have already cached this Skeletal Mesh.
const int32* IndexPtr = AnimSet->SkelMesh2LinkupCache.Find( SkelMeshName );
if( IndexPtr )
{
AnimSet->LinkupCache( *IndexPtr ).BuildLinkup( &DestructibleMesh, AnimSet );
}
}
#endif
// Now iterate over all skeletal mesh components re-initialising them.
for(TObjectIterator<UDestructibleComponent> It; It; ++It)
{
UDestructibleComponent* DestructibleComponent = *It;
if(DestructibleComponent->SkeletalMesh == &DestructibleMesh)
{
FComponentReregisterContext ReregisterContext(DestructibleComponent);
}
}
}
#if INVERT_Y_AND_V
// Apply transformation for Y inversion
const physx::PxMat44 MirrorY = physx::PxMat44(physx::PxVec4(1.0f, -1.0f, 1.0f, 1.0f));
#if !USE_TEMPORARY_TRANSFORMATION_FUNCTION
ApexDestructibleAsset.applyTransformation(MirrorY, 1.0f);
#else
ApplyTransformationToApexDestructibleAsset( ApexDestructibleAsset, MirrorY );
#endif
#endif
return true;
}
