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5018101ab4
Separate out the interface for setting custom data on geometry collection custom renderers. Add support for setting custom data by named channels for which the custom renderer can handle any packing logic. [CL 32734648 by jeremy moore in ue5-main branch]
95 lines
3.7 KiB
C++
95 lines
3.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "UObject/Interface.h"
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#include "GeometryCollectionExternalRenderInterface.generated.h"
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class UGeometryCollection;
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class UGeometryCollectionComponent;
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UINTERFACE(MinimalAPI)
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class UGeometryCollectionExternalRenderInterface : public UInterface
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{
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GENERATED_BODY()
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};
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class IGeometryCollectionExternalRenderInterface
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{
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GENERATED_BODY()
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public:
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enum EStateFlags
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{
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EState_Visible = 1 << 0,
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EState_Broken = 1 << 1,
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EState_ForcedBroken = 1 << 2,
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};
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/** Returns true if the custom renderer can't render for the given state, and requires native rendering instead. */
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virtual bool ShouldUseNativeFallback(uint32 InStateFlags) const { return false; }
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/** Returns true if this renderer can ever return true for ShouldUseNativeFallback(). */
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virtual bool CanEverUseNativeFallback() const { return false; }
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/** Called on geometry collection component registration. */
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virtual void OnRegisterGeometryCollection(UGeometryCollectionComponent& InComponent) = 0;
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/** Called on geometry collection component unregistration. */
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virtual void OnUnregisterGeometryCollection() = 0;
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/**
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* Set the state of the geometry collection.
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* This is used by the renderer to managed resources with regards to the state (see EStateFlags).
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*/
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virtual void UpdateState(UGeometryCollection const& InGeometryCollection, FTransform const& InComponentTransform, uint32 InStateFlags) = 0;
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/**
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* Update the root bone transform of the geometry collection.
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* If the geometry collection is using of multiple proxy root meshes this transform applies to all of them.
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*/
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virtual void UpdateRootTransform(UGeometryCollection const& InGeometryCollection, FTransform const& InRootTransform) = 0;
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/**
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* Update the root proxy transforms of the geometry collection.
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* If the geometry collection is using of multiple proxy root meshes, InRootTransforms is expected to contain an entry for each of them .
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* @param InRootTransform Component space root transform
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* @param InRootLocalTransforms Root space local transforms
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*/
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virtual void UpdateRootTransforms(UGeometryCollection const& InGeometryCollection, FTransform const& InRootTransform, TArrayView<const FTransform3f> InRootLocalTransforms) { check(false); };
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/**
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* Update all the bones transforms.
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*/
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virtual void UpdateTransforms(UGeometryCollection const& InGeometryCollection, TArrayView<const FTransform3f> InTransforms) = 0;
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UE_DEPRECATED(5.4, "Use flags version of UpdateState instead")
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virtual void UpdateState(UGeometryCollection const& InGeometryCollection, FTransform const& InComponentTransform, bool bInIsBroken, bool bInIsVisible)
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{
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uint32 StateFlags = 0;
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StateFlags |= bInIsVisible ? IGeometryCollectionExternalRenderInterface::EState_Visible : 0;
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StateFlags |= bInIsBroken ? IGeometryCollectionExternalRenderInterface::EState_Broken : 0;
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return UpdateState(InGeometryCollection, InComponentTransform, StateFlags);
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};
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UE_DEPRECATED(5.3, "Use FTransform version of UpdateTransforms instead")
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virtual void UpdateTransforms(UGeometryCollection const& InGeometryCollection, TArrayView<const FMatrix> InMatrices) {};
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};
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UINTERFACE(MinimalAPI)
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class UGeometryCollectionCustomDataInterface : public UInterface
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{
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GENERATED_BODY()
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};
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class IGeometryCollectionCustomDataInterface
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{
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GENERATED_BODY()
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public:
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/** Set value to a custom instance data slot by index. The value will be set for all instances the renderer is spawning. */
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virtual void SetCustomInstanceData(int32 CustomDataIndex, float CustomDataValue) = 0;
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/** Set value a custom instance data slot by name. The value will be set for all instances the renderer is spawning. */
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virtual void SetCustomInstanceData(FName CustomDataName, float CustomDataValue) = 0;
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};
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