86 lines
4.7 KiB
C++
86 lines
4.7 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 "UObject/NameTypes.h"
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#include "Containers/Map.h"
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#include "Containers/Array.h"
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#include "UObject/ObjectPtr.h"
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#include "BoneIndices.h"
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class USkeletalMesh;
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namespace mu { class FMeshBufferSet; }
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/** Publicly accessible methods designed to prepare the Mutable Mesh buffers with the internal structure required by Unreal and
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* our systems to be able to work with the mesh owning those buffers.
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*/
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namespace MutableMeshBufferUtils
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{
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// VERTEX BUFFERS
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/** Determines the max amount of channels that can inhabit a Texture Coordinate buffer. */
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constexpr int32 MaxTexCordChannelCount = 4;
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/**
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* Sets up all the channels that ought to be part of the Vertex Position Buffer of the Mutable mesh owning the provided MeshBufferSet
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* @param InCurrentVertexBuffer Index of the Vertex Buffer being set up inside the OutTargetVertexBuffers.
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* @param OutTargetVertexBuffers Mesh buffer to be set up.
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*/
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CUSTOMIZABLEOBJECT_API void SetupVertexPositionsBuffer(const int32& InCurrentVertexBuffer, mu::FMeshBufferSet& OutTargetVertexBuffers);
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/**
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* Sets up all the channels that ought to be part of the Vertex Tangent Buffer of the Mutable mesh owning the provided MeshBufferSet
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* @param InCurrentVertexBuffer Index of the Vertex Buffer being set up inside the OutTargetVertexBuffers.
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* @param OutTargetVertexBuffers Mesh buffer to be set up.
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*/
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CUSTOMIZABLEOBJECT_API void SetupTangentBuffer(const int32& InCurrentVertexBuffer, mu::FMeshBufferSet& OutTargetVertexBuffers);
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/**
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* Sets up all the channels that ought to be part of the Vertex Texture Coordinates Buffer of the Mutable mesh owning the provided MeshBufferSet
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* @param InCurrentVertexBuffer Index of the Vertex Buffer being set up inside the OutTargetVertexBuffers.
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* @param InChannelCount Determines the amount of TexCord channels able to be added onto the buffer.
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* @param OutTargetVertexBuffers Mesh buffer to be set up.
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* @param InTextureSemanticIndicesOverride (Optional) If you are certain of the texture semantic indices that should be used populate this argument, if not, leave it as null
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*/
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CUSTOMIZABLEOBJECT_API void SetupTexCoordinatesBuffer(const int32& InCurrentVertexBuffer,const int32& InChannelCount, bool bHighPrecision, mu::FMeshBufferSet& OutTargetVertexBuffers, const int32* InTextureSemanticIndicesOverride = nullptr);
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/**
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* Sets up all the channels that ought to be part of the Vertex Skin Buffer of the Mutable mesh owning the provided MeshBufferSet
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* @param InCurrentVertexBuffer Index of the Vertex Buffer being set up inside the OutTargetVertexBuffers.
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* @param MaxBoneIndexTypeSizeBytes Maximum size of the vertex bone index type.
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* @param MaxNumBonesPerVertex Amount of bone influences a vertex can have.
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* @param OutTargetVertexBuffers Mesh buffer to be set up.
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*/
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CUSTOMIZABLEOBJECT_API void SetupSkinBuffer(const int32& InCurrentVertexBuffer,const int32& MaxBoneIndexTypeSizeBytes, const int32& MaxBoneWeightTypeSizeBytes,
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const int32& MaxNumBonesPerVertex, mu::FMeshBufferSet& OutTargetVertexBuffers);
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/**
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* Sets up all the channels that ought to be part of the Vertex Color Buffer of the Mutable mesh owning the provided MeshBufferSet
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* @param InCurrentVertexBuffer Index of the Vertex Buffer being set up inside the OutTargetVertexBuffers.
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* @param OutTargetVertexBuffers Mesh buffer to be set up.
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*/
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CUSTOMIZABLEOBJECT_API void SetupVertexColorBuffer(const int32& InCurrentVertexBuffer, mu::FMeshBufferSet& OutTargetVertexBuffers);
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// INDEX BUFFERS
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/**
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* Sets up all the channels that ought to be part of the Index Buffer of the Mutable mesh owning the provided MeshBufferSet
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* @param OutTargetIndexBuffers Index buffer to be set up.
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*/
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CUSTOMIZABLEOBJECT_API void SetupIndexBuffer(mu::FMeshBufferSet& OutTargetIndexBuffers);
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/**
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* Sets up all the channels that ought to be part of the Vertex SkinWeightProfile Buffer of the Mutable mesh owning the provided MeshBufferSet
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* @param InCurrentVertexBuffer Index of the Vertex Buffer being set up inside the OutTargetVertexBuffers.
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* @param MaxBoneIndexTypeSizeBytes Maximum size of the vertex bone index type.
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* @param MaxBoneWeightTypeSizeBytes Maximum size of the vertex bone weight type.
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* @param MaxNumBonesPerVertex Amount of bone influences a vertex can have.
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* @param SemanticsIndex External Id that identifies a SkinWeightProfile.
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* @param OutTargetVertexBuffers Mesh buffer to be set up.
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*/
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CUSTOMIZABLEOBJECT_API void SetupSkinWeightProfileBuffer(const int32& InCurrentVertexBuffer, const int32& MaxBoneIndexTypeSizeBytes,const int32& MaxBoneWeightTypeSizeBytes, const int32& MaxNumBonesPerVertex,
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const int32 SemanticsIndex, mu::FMeshBufferSet& OutTargetVertexBuffers);
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}
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