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/*
* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#ifndef ABSTRACT_MESH_DESCRIPTION_H
#define ABSTRACT_MESH_DESCRIPTION_H
#include <ApexUsingNamespace.h>
#include "PxVec3.h"
class ClothConstrainCoefficients;
namespace nvidia
{
namespace apex
{
class RenderDebugInterface;
/**
\brief a simplified, temporal container for a mesh with non-interleaved vertex buffers
*/
struct AbstractMeshDescription
{
AbstractMeshDescription() : numVertices(0), numIndices(0), numBonesPerVertex(0),
pPosition(NULL), pNormal(NULL), pTangent(NULL), pTangent4(NULL), pBitangent(NULL),
pBoneIndices(NULL), pBoneWeights(NULL), pConstraints(NULL), pVertexFlags(NULL), pIndices(NULL),
avgEdgeLength(0.0f), avgTriangleArea(0.0f), pMin(0.0f), pMax(0.0f), centroid(0.0f), radius(0.0f) {}
/// the number of vertices in the mesh
uint32_t numVertices;
/// the number of indices in the mesh
uint32_t numIndices;
/// the number of bones per vertex in the boneIndex and boneWeights buffer. Can be 0
uint32_t numBonesPerVertex;
/// pointer to the positions array
PxVec3* PX_RESTRICT pPosition;
/// pointer to the normals array
PxVec3* PX_RESTRICT pNormal;
/// pointer to the tangents array
PxVec3* PX_RESTRICT pTangent;
/// alternative pointer to the tangents array, with float4
PxVec4* PX_RESTRICT pTangent4;
/// pointer to the bitangents/binormal array
PxVec3* PX_RESTRICT pBitangent;
/// pointer to the bone indices array
uint16_t* PX_RESTRICT pBoneIndices;
/// pointer to the bone weights array
float* PX_RESTRICT pBoneWeights;
/// pointer to the cloth constraints array
ClothConstrainCoefficients* PX_RESTRICT pConstraints;
/// pointer to per-vertex flags
uint32_t* PX_RESTRICT pVertexFlags;
/// pointer to the indices array
uint32_t* PX_RESTRICT pIndices;
/// updates the derived data
void UpdateDerivedInformation(RenderDebugInterface* renderDebug);
/// Derived Data, average Edge Length
float avgEdgeLength;
/// Derived Data, average Triangle Area
float avgTriangleArea;
/// Derived Data, Bounding Box min value
PxVec3 pMin;
/// Derived Data, Bounding Box max value
PxVec3 pMax;
/// Derived Data, Average of pMin and pMax
PxVec3 centroid;
/// Derived Data, Half the distance between pMin and pMax
float radius;
};
}
}
#endif // ABSTRACT_MESH_DESCRIPTION_H
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