443 lines
22 KiB
C
443 lines
22 KiB
C
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// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "dna/Defs.h"
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#include "dna/layers/DefinitionReader.h"
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#include "dna/layers/Geometry.h"
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#include "dna/types/Aliases.h"
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#include <cstdint>
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namespace dna {
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/**
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@brief Read-only accessors to the geometry data associated with a rig.
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@warning
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Implementors should inherit from Reader itself and not this class.
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*/
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class DNAAPI GeometryReader : public virtual DefinitionReader {
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protected:
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virtual ~GeometryReader();
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public:
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/**
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@brief Number of vertex positions in the entire mesh.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint32_t getVertexPositionCount(std::uint16_t meshIndex) const = 0;
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/**
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param vertexIndex
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The index of the vertex position in the zero-indexed array of vertex positions.
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@warning
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vertexIndex must be less than the value returned by getVertexPositionCount.
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@note
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The vertices are sorted by the vertex ID.
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@return The vertex position.
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*/
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virtual Position getVertexPosition(std::uint16_t meshIndex, std::uint32_t vertexIndex) const = 0;
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/**
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@brief List of all vertex position X values for the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexPosition.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all X values.
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@see getVertexPosition
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*/
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virtual ConstArrayView<float> getVertexPositionXs(std::uint16_t meshIndex) const = 0;
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/**
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@brief List of all vertex position Y values for the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexPosition.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all Y values.
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@see getVertexPosition
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*/
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virtual ConstArrayView<float> getVertexPositionYs(std::uint16_t meshIndex) const = 0;
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/**
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@brief List of all vertex position Z values for the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexPosition.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all Z values.
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@see getVertexPosition
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*/
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virtual ConstArrayView<float> getVertexPositionZs(std::uint16_t meshIndex) const = 0;
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/**
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@brief Number of texture coordinates in the entire mesh.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint32_t getVertexTextureCoordinateCount(std::uint16_t meshIndex) const = 0;
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/**
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param textureCoordinateIndex
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The index of the texture coordinate in the zero-indexed array of texture coordinates.
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@warning
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textureCoordinateIndex must be less than the value returned by getVertexTextureCoordinateCount.
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@return The texture coordinate.
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*/
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virtual TextureCoordinate getVertexTextureCoordinate(std::uint16_t meshIndex,
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std::uint32_t textureCoordinateIndex) const = 0;
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/**
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@brief List of all texture coordinate U values for the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexTextureCoordinate.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all U values.
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@see getVertexTextureCoordinate
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*/
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virtual ConstArrayView<float> getVertexTextureCoordinateUs(std::uint16_t meshIndex) const = 0;
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/**
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@brief List of all texture coordinate V values for the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexTextureCoordinate.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all V values.
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@see getVertexTextureCoordinate
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*/
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virtual ConstArrayView<float> getVertexTextureCoordinateVs(std::uint16_t meshIndex) const = 0;
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/**
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@brief Number of vertex normals in the entire mesh.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint32_t getVertexNormalCount(std::uint16_t meshIndex) const = 0;
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/**
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param normalIndex
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The index of the vertex normal in the zero-indexed array of vertex normals.
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@warning
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normalIndex must be less than the value returned by getVertexNormalCount.
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@return The vertex normal.
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*/
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virtual Normal getVertexNormal(std::uint16_t meshIndex, std::uint32_t normalIndex) const = 0;
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/**
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@brief List of all normal X values for the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexNormal.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all X values.
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@see getVertexNormal
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*/
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virtual ConstArrayView<float> getVertexNormalXs(std::uint16_t meshIndex) const = 0;
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/**
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@brief List of all normal Y value for the referenced meshs.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexNormal.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all Y values.
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@see getVertexNormal
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*/
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virtual ConstArrayView<float> getVertexNormalYs(std::uint16_t meshIndex) const = 0;
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/**
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@brief List of all normal Z values for the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexNormal.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all Z values.
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@see getVertexNormal
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*/
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virtual ConstArrayView<float> getVertexNormalZs(std::uint16_t meshIndex) const = 0;
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/**
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@brief Number of vertex layouts in the entire mesh.
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@note
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A vertex layout is a collection of vertex attributes.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint32_t getVertexLayoutCount(std::uint16_t meshIndex) const = 0;
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/**
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@brief Vertex layouts contain only attribute indices which can be used to query
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the actual attributes, such as positions, texture coordinates and normals,
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which are associated with the vertex.
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@note
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The indices from a layout are usable with the above defined APIs.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param layoutIndex
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The index of the layout in the zero-indexed array of vertex layouts.
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@warning
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layoutIndex must be less than the value returned by getVertexLayoutCount.
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@see getVertexPosition
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@see getVertexTextureCoordinate
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@see getVertexNormal
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*/
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virtual VertexLayout getVertexLayout(std::uint16_t meshIndex, std::uint32_t layoutIndex) const = 0;
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/**
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@brief Position indices for each vertex of the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexLayout.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all vertex position indices values.
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@see getVertexLayout
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*/
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virtual ConstArrayView<std::uint32_t> getVertexLayoutPositionIndices(std::uint16_t meshIndex) const = 0;
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/**
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@brief Texture coordinate indices for each vertex of the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexLayout.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all vertex texture coordinate indices.
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@see getVertexLayout
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*/
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virtual ConstArrayView<std::uint32_t> getVertexLayoutTextureCoordinateIndices(std::uint16_t meshIndex) const = 0;
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/**
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@brief Normal indices for each vertex of the referenced mesh.
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@note
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This is an advanced API for performance critical access, for more convenient usage see getVertexLayout.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@return View over all vertex normal indices.
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@see getVertexLayout
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*/
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virtual ConstArrayView<std::uint32_t> getVertexLayoutNormalIndices(std::uint16_t meshIndex) const = 0;
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/**
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@brief Number of faces that belong to the specified mesh.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint32_t getFaceCount(std::uint16_t meshIndex) const = 0;
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/**
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@brief List of vertex layout indices the belong to a face on the specified mesh.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param faceIndex
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A face's position in the zero-indexed array of faces that belong to
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the above referenced mesh.
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@warning
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faceIndex must be less than the value returned by getFaceCount.
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@return View over the list of vertex layout indices.
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@see getVertexLayout
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*/
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virtual ConstArrayView<std::uint32_t> getFaceVertexLayoutIndices(std::uint16_t meshIndex,
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std::uint32_t faceIndex) const = 0;
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/**
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@brief The maximum number of joints that may influence any single vertex.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint16_t getMaximumInfluencePerVertex(std::uint16_t meshIndex) const = 0;
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/**
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@brief Number of skin weights associated with the specified mesh.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint32_t getSkinWeightsCount(std::uint16_t meshIndex) const = 0;
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/**
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@brief List of skin weights influencing the requested vertex.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param vertexIndex
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A position in the zero-indexed array of vertices.
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@warning
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vertexIndex must be less than the value returned by getVertexPositionCount.
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@return View over the list of skin weights.
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*/
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virtual ConstArrayView<float> getSkinWeightsValues(std::uint16_t meshIndex, std::uint32_t vertexIndex) const = 0;
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/**
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@brief List of joint indices associated with each skin weight for the specified vertex.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param vertexIndex
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A position in the zero-indexed array of vertices.
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@warning
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vertexIndex must be less than the value returned by getVertexPositionCount.
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@note
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The joint indices are stored in the same order as the weights they
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are associated with.
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@return View over the list of joint indices.
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*/
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virtual ConstArrayView<std::uint16_t> getSkinWeightsJointIndices(std::uint16_t meshIndex,
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std::uint32_t vertexIndex) const = 0;
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/**
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@brief Number of blend shapes that belong to the specified mesh.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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*/
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virtual std::uint16_t getBlendShapeTargetCount(std::uint16_t meshIndex) const = 0;
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/** @brief The matching blend shape channel index of the requested blend shape target.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param blendShapeTargetIndex
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A position in the zero-indexed array of blend shape targets within the specified mesh.
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@warning
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blendShapeTargetIndex must be less than the value returned by getBlendShapeTargetCount.
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@see DefinitionReader::getBlendShapeChannelName
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*/
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virtual std::uint16_t getBlendShapeChannelIndex(std::uint16_t meshIndex, std::uint16_t blendShapeTargetIndex) const = 0;
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/**
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@brief Number of deltas that belong to the specified blend shape.
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@param meshIndex
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A mesh's position in the zero-indexed array of meshes.
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@warning
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meshIndex must be less than the value returned by getMeshCount.
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@param blendShapeTargetIndex
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A position in the zero-indexed array of blend shape targets within the specified mesh.
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@warning
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blendShapeTargetIndex must be less than the value returned by getBlendShapeTargetCount.
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*/
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virtual std::uint32_t getBlendShapeTargetDeltaCount(std::uint16_t meshIndex,
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std::uint16_t blendShapeTargetIndex) const = 0;
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/**
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@brief List of deltas for each affected vertex.
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@param meshIndex
|
||
|
|
A mesh's position in the zero-indexed array of meshes.
|
||
|
|
@warning
|
||
|
|
meshIndex must be less than the value returned by getMeshCount.
|
||
|
|
@param blendShapeTargetIndex
|
||
|
|
A position in the zero-indexed array of blend shape targets within the specified mesh.
|
||
|
|
@warning
|
||
|
|
blendShapeTargetIndex must be less than the value returned by getBlendShapeTargetCount.
|
||
|
|
@param deltaIndex
|
||
|
|
A position in the zero-indexed array of blend shapes deltas.
|
||
|
|
@warning
|
||
|
|
deltaIndex must be less than the value returned by getBlendShapeTargetDeltaCount.
|
||
|
|
*/
|
||
|
|
virtual Delta getBlendShapeTargetDelta(std::uint16_t meshIndex,
|
||
|
|
std::uint16_t blendShapeTargetIndex,
|
||
|
|
std::uint32_t deltaIndex) const = 0;
|
||
|
|
/**
|
||
|
|
@brief List of all delta X values for the referenced blend shape target.
|
||
|
|
@note
|
||
|
|
This is an advanced API for performance critical access, for more convenient usage see getBlendShapeTargetDelta.
|
||
|
|
@param meshIndex
|
||
|
|
A mesh's position in the zero-indexed array of meshes.
|
||
|
|
@warning
|
||
|
|
meshIndex must be less than the value returned by getMeshCount.
|
||
|
|
@param blendShapeTargetIndex
|
||
|
|
A position in the zero-indexed array of blend shape targets within the specified mesh.
|
||
|
|
@warning
|
||
|
|
blendShapeTargetIndex must be less than the value returned by getBlendShapeTargetCount.
|
||
|
|
@return View over all X values.
|
||
|
|
@see getBlendShapeTargetDelta
|
||
|
|
*/
|
||
|
|
virtual ConstArrayView<float> getBlendShapeTargetDeltaXs(std::uint16_t meshIndex,
|
||
|
|
std::uint16_t blendShapeTargetIndex) const = 0;
|
||
|
|
/**
|
||
|
|
@brief List of all delta Y values for the referenced blend shape target.
|
||
|
|
@note
|
||
|
|
This is an advanced API for performance critical access, for more convenient usage see getBlendShapeTargetDelta.
|
||
|
|
@param meshIndex
|
||
|
|
A mesh's position in the zero-indexed array of meshes.
|
||
|
|
@warning
|
||
|
|
meshIndex must be less than the value returned by getMeshCount.
|
||
|
|
@param blendShapeTargetIndex
|
||
|
|
A position in the zero-indexed array of blend shape targets within the specified mesh.
|
||
|
|
@warning
|
||
|
|
blendShapeTargetIndex must be less than the value returned by getBlendShapeTargetCount.
|
||
|
|
@return View over all Y values.
|
||
|
|
@see getBlendShapeTargetDelta
|
||
|
|
*/
|
||
|
|
virtual ConstArrayView<float> getBlendShapeTargetDeltaYs(std::uint16_t meshIndex,
|
||
|
|
std::uint16_t blendShapeTargetIndex) const = 0;
|
||
|
|
/**
|
||
|
|
@brief List of all delta Z values for the referenced blend shape target.
|
||
|
|
@note
|
||
|
|
This is an advanced API for performance critical access, for more convenient usage see getBlendShapeTargetDelta.
|
||
|
|
@param meshIndex
|
||
|
|
A mesh's position in the zero-indexed array of meshes.
|
||
|
|
@warning
|
||
|
|
meshIndex must be less than the value returned by getMeshCount.
|
||
|
|
@param blendShapeTargetIndex
|
||
|
|
A position in the zero-indexed array of blend shape targets within the specified mesh.
|
||
|
|
@warning
|
||
|
|
blendShapeTargetIndex must be less than the value returned by getBlendShapeTargetCount.
|
||
|
|
@return View over all Z values.
|
||
|
|
@see getBlendShapeTargetDelta
|
||
|
|
*/
|
||
|
|
virtual ConstArrayView<float> getBlendShapeTargetDeltaZs(std::uint16_t meshIndex,
|
||
|
|
std::uint16_t blendShapeTargetIndex) const = 0;
|
||
|
|
/**
|
||
|
|
@brief Vertex position indices affected by the referenced blend shape target.
|
||
|
|
@param meshIndex
|
||
|
|
A mesh's position in the zero-indexed array of meshes.
|
||
|
|
@warning
|
||
|
|
meshIndex must be less than the value returned by getMeshCount.
|
||
|
|
@param blendShapeTargetIndex
|
||
|
|
A position in the zero-indexed array of blend shape targets within the specified mesh.
|
||
|
|
@warning
|
||
|
|
blendShapeTargetIndex must be less than the value returned by getBlendShapeTargetCount.
|
||
|
|
@note
|
||
|
|
The vertex position indices are stored in the same order as the deltas they
|
||
|
|
are associated with.
|
||
|
|
These indices can be used to query the associated vertices themselves through getVertexPosition.
|
||
|
|
@see getVertexPosition
|
||
|
|
@return View over the list of vertex position indices.
|
||
|
|
*/
|
||
|
|
virtual ConstArrayView<std::uint32_t> getBlendShapeTargetVertexIndices(std::uint16_t meshIndex,
|
||
|
|
std::uint16_t blendShapeTargetIndex) const = 0;
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace dna
|