void FWebBrowserViewport::Tick( const FGeometry& AllottedGeometry, double InCurrentTime, float DeltaTime )
{
// Calculate max corner of the viewport using same method as Slate
FVector2D MaxPos = AllottedGeometry.AbsolutePosition + AllottedGeometry.GetLocalSize();
// Get size by subtracting as int to avoid incorrect rounding when size and position are .5
WebBrowserWindow->SetViewportSize(MaxPos.IntPoint() - AllottedGeometry.AbsolutePosition.IntPoint());
}
FSlateMaterialResource::FSlateMaterialResource(const UMaterialInterface& InMaterial, const FVector2D& InImageSize, FSlateShaderResource* InTextureMask )
: MaterialObject( &InMaterial )
, SlateProxy( new FSlateShaderResourceProxy )
, TextureMaskResource( InTextureMask )
, Width(FMath::RoundToInt(InImageSize.X))
, Height(FMath::RoundToInt(InImageSize.Y))
{
SlateProxy->ActualSize = InImageSize.IntPoint();
SlateProxy->Resource = this;
}
void FSlateMaterialResource::UpdateMaterial(const UMaterialInterface& InMaterialResource, const FVector2D& InImageSize, FSlateShaderResource* InTextureMask )
{
MaterialObject = &InMaterialResource;
if( !SlateProxy )
{
SlateProxy = new FSlateShaderResourceProxy;
}
TextureMaskResource = InTextureMask;
SlateProxy->ActualSize = InImageSize.IntPoint();
SlateProxy->Resource = this;
Width = FMath::RoundToInt(InImageSize.X);
Height = FMath::RoundToInt(InImageSize.Y);
}
bool FVertexSnappingImpl::SnapLocationToNearestVertex( FVector& Location, const FVector2D& MouseLocation, FLevelEditorViewportClient* ViewportClient, FVector& OutVertexNormal, bool bDrawVertexHelpers )
{
bool bSnapped = false;
// Make a box around the actor which is the area we are allowed to snap in
FBox AllowedSnappingBox = FBox( Location-VertexSnappingConstants::MaxSnappingDistance, Location+VertexSnappingConstants::MaxSnappingDistance );
FSceneViewFamilyContext ViewFamily(FSceneViewFamily::ConstructionValues(
ViewportClient->Viewport,
ViewportClient->GetScene(),
ViewportClient->EngineShowFlags )
.SetRealtimeUpdate( ViewportClient->IsRealtime() ));
FSceneView* View = ViewportClient->CalcSceneView( &ViewFamily );
TArray<FSnapActor> ActorsInBox;
TSet<TWeakObjectPtr<AActor> > ActorsToIgnore;
// Ignore actors currently being moved
ActorsToIgnore.Append( ViewportClient->GetDropPreviewActors() );
GetPossibleSnapActors( AllowedSnappingBox, MouseLocation.IntPoint(), ViewportClient, View, EAxisList::Screen, ActorsToIgnore, ActorsInBox );
FViewportCursorLocation Cursor(View, ViewportClient, MouseLocation.X, MouseLocation.Y );
FPlane ActorPlane( Location, Cursor.GetDirection() );
FVertexSnappingArgs Args
(
ActorPlane,
Location,
ViewportClient,
View,
Cursor.GetCursorPos(),
EAxisList::Screen,
bDrawVertexHelpers
);
// Snap to the nearest vertex
FSnappingVertex ClosestVertex = GetClosestVertex( ActorsInBox, Args );
Location = ClosestVertex.Position;
OutVertexNormal = ClosestVertex.Normal;
bSnapped = true;
return bSnapped;
}
