Files
UnrealEngineUWP/Engine/Plugins/Experimental/MeshModelingToolset/Source/ModelingComponents/Private/PropertySets/OnAcceptProperties.cpp

83 lines
2.1 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "PropertySets/OnAcceptProperties.h"
#include "GameFramework/Actor.h"
#include "UObject/UObjectGlobals.h"
#include "InteractiveToolManager.h"
#define LOCTEXT_NAMESPACE "UOnAcceptHandleSourcesProperties"
void UOnAcceptHandleSourcesProperties::ApplyMethod(const TArray<AActor*>& Actors, UInteractiveToolManager* ToolManager)
{
// Hide or destroy the sources
bool bKeepSources = OnToolAccept == EHandleSourcesMethod::KeepSources;
if (Actors.Num() == 1 && (OnToolAccept == EHandleSourcesMethod::KeepFirstSource || OnToolAccept == EHandleSourcesMethod::KeepLastSource))
{
// if there's only one actor, keeping any source == keeping all sources
bKeepSources = true;
}
if (!bKeepSources)
{
bool bDelete = OnToolAccept == EHandleSourcesMethod::DeleteSources
|| OnToolAccept == EHandleSourcesMethod::KeepFirstSource
|| OnToolAccept == EHandleSourcesMethod::KeepLastSource;
if (bDelete)
{
ToolManager->BeginUndoTransaction(LOCTEXT("RemoveSources", "Remove Sources"));
}
else
{
#if WITH_EDITOR
ToolManager->BeginUndoTransaction(LOCTEXT("HideSources", "Hide Sources"));
#endif
}
int32 SkipIdx = -1;
if (OnToolAccept == EHandleSourcesMethod::KeepFirstSource)
{
SkipIdx = 0;
}
else if (OnToolAccept == EHandleSourcesMethod::KeepLastSource)
{
SkipIdx = Actors.Num() - 1;
}
for (int32 ActorIdx = 0; ActorIdx < Actors.Num(); ActorIdx++)
{
if (ActorIdx == SkipIdx)
{
continue;
}
AActor* Actor = Actors[ActorIdx];
if (bDelete)
{
Actor->Destroy();
}
else
{
#if WITH_EDITOR
// Save the actor to the transaction buffer to support undo/redo, but do
// not call Modify, as we do not want to dirty the actor's package and
// we're only editing temporary, transient values
SaveToTransactionBuffer(Actor, false);
Actor->SetIsTemporarilyHiddenInEditor(true);
#endif
}
}
if (bDelete)
{
ToolManager->EndUndoTransaction();
}
else
{
#if WITH_EDITOR
ToolManager->EndUndoTransaction();
#endif
}
}
}
#undef LOCTEXT_NAMESPACE