93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#pragma once
|
|
|
|
#include "EntitySystem/MovieSceneEntitySystem.h"
|
|
#include "Evaluation/PreAnimatedState/MovieScenePreAnimatedStateStorage.h"
|
|
|
|
#include "Systems/MovieSceneMaterialSystem.h"
|
|
#include "Animation/MovieSceneUMGComponentTypes.h"
|
|
|
|
#include "MovieSceneWidgetMaterialSystem.generated.h"
|
|
|
|
class UWidget;
|
|
class UMovieScenePiecewiseDoubleBlenderSystem;
|
|
|
|
namespace UE::MovieScene
|
|
{
|
|
|
|
struct FWidgetMaterialKey
|
|
{
|
|
FObjectKey Object;
|
|
FWidgetMaterialHandle WidgetMaterialHandle;
|
|
|
|
friend uint32 GetTypeHash(const FWidgetMaterialKey& In)
|
|
{
|
|
return GetTypeHash(In.Object) ^ GetTypeHash(In.WidgetMaterialHandle);
|
|
}
|
|
friend bool operator==(const FWidgetMaterialKey& A, const FWidgetMaterialKey& B)
|
|
{
|
|
return A.Object == B.Object && A.WidgetMaterialHandle == B.WidgetMaterialHandle;
|
|
}
|
|
};
|
|
|
|
struct FWidgetMaterialAccessor
|
|
{
|
|
using KeyType = FWidgetMaterialKey;
|
|
|
|
UWidget* Widget;
|
|
FWidgetMaterialHandle WidgetMaterialHandle;
|
|
|
|
FWidgetMaterialAccessor(const FWidgetMaterialKey& InKey);
|
|
FWidgetMaterialAccessor(UObject* InObject, FWidgetMaterialHandle InWidgetMaterialHandle);
|
|
|
|
explicit operator bool() const;
|
|
|
|
UMaterialInterface* GetMaterial() const;
|
|
void SetMaterial(UMaterialInterface* InMaterial);
|
|
UMaterialInstanceDynamic* CreateDynamicMaterial(UMaterialInterface* InMaterial);
|
|
FString ToString() const;
|
|
};
|
|
|
|
using FPreAnimatedWidgetMaterialTraits = TPreAnimatedMaterialTraits<FWidgetMaterialAccessor, UObject*, FWidgetMaterialHandle>;
|
|
using FPreAnimatedWidgetMaterialParameterTraits = TPreAnimatedMaterialParameterTraits<FWidgetMaterialAccessor, UObject*, FWidgetMaterialHandle>;
|
|
|
|
struct FPreAnimatedWidgetMaterialSwitcherStorage
|
|
: public TPreAnimatedStateStorage<TPreAnimatedMaterialTraits<FWidgetMaterialAccessor, UObject*, FWidgetMaterialHandle>>
|
|
{
|
|
static TAutoRegisterPreAnimatedStorageID<FPreAnimatedWidgetMaterialSwitcherStorage> StorageID;
|
|
};
|
|
|
|
struct FPreAnimatedWidgetMaterialParameterStorage
|
|
: public TPreAnimatedStateStorage<TPreAnimatedMaterialParameterTraits<FWidgetMaterialAccessor, UObject*, FWidgetMaterialHandle>>
|
|
{
|
|
static TAutoRegisterPreAnimatedStorageID<FPreAnimatedWidgetMaterialParameterStorage> StorageID;
|
|
};
|
|
|
|
} // namespace UE::MovieScene
|
|
|
|
|
|
UCLASS(MinimalAPI)
|
|
class UMovieSceneWidgetMaterialSystem
|
|
: public UMovieSceneEntitySystem
|
|
, public IMovieScenePreAnimatedStateSystemInterface
|
|
{
|
|
public:
|
|
|
|
GENERATED_BODY()
|
|
|
|
UMovieSceneWidgetMaterialSystem(const FObjectInitializer& ObjInit);
|
|
|
|
private:
|
|
|
|
virtual void OnLink() override;
|
|
virtual void OnUnlink() override;
|
|
virtual void OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents) override;
|
|
|
|
virtual void SavePreAnimatedState(const FPreAnimationParameters& InParameters) override;
|
|
|
|
private:
|
|
|
|
UE::MovieScene::TMovieSceneMaterialSystem<UE::MovieScene::FWidgetMaterialAccessor, UObject*, FWidgetMaterialHandle> SystemImpl;
|
|
};
|