82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "HAL/Platform.h"
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#include "MuR/Ptr.h"
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#include "MuR/RefCounted.h"
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#include "MuR/Serialisation.h"
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#include "MuT/Node.h"
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#include "Containers/UnrealString.h"
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#include "NodeModifier.generated.h"
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#define UE_API MUTABLETOOLS_API
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/** Despite being an UEnum, this is not always version-serialized (in MutableTools).
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* Beware of changing the enum options or order.
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*/
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UENUM()
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enum class EMutableMultipleTagPolicy : uint8
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{
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/** All the Mesh Sections that do have at least one of the Target tags will be modified. */
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OnlyOneRequired,
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/** Only the Mesh Sections that do have all the Target tags will be modified. */
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AllRequired
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};
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namespace UE::Mutable::Private
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{
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// Forward definitions
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class NodeModifier;
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typedef Ptr<NodeModifier> NodeModifierPtr;
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typedef Ptr<const NodeModifier> NodeModifierConst;
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/** Parent of all node classes that apply modifiers to surfaces. */
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class NodeModifier : public Node
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{
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public:
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/** If not negative, this modifier will only be applied to the nodes of the component with matching id. Otherwise it will be applied to all components. */
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int32 RequiredComponentId = -1;
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/** Tags that target surface need to have enabled to receive this modifier. */
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TArray<FString> RequiredTags;
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/** In case of multiple tags in RequiredTags: are they all required, or one is enough? */
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EMutableMultipleTagPolicy MultipleTagsPolicy = EMutableMultipleTagPolicy::OnlyOneRequired;
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/** Wether the modifier has to be applied before the normal node operations or after. */
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bool bApplyBeforeNormalOperations = true;
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/** Tags enabled by this modifier. Other modifiers activated by these tags will be applied to this modifier's "child data" like meshes added by this modifier.
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* Not to be confused with the RequiredTags.
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*/
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TArray<FString> EnableTags;
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public:
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// Node interface
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virtual const FNodeType* GetType() const override { return &StaticType; }
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static const FNodeType* GetStaticType() { return &StaticType; }
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protected:
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/** Forbidden. Manage with the Ptr<> template. */
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inline ~NodeModifier() {}
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private:
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static UE_API FNodeType StaticType;
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};
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}
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#undef UE_API
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