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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#ifndef GU_TRIANGLE_VERTEX_POINTERS_H
#define GU_TRIANGLE_VERTEX_POINTERS_H
#include "PxTriangleMesh.h"
#include "GuTriangleMesh.h"
namespace physx {
namespace Gu {
// PT: TODO: replace with Gu::TriangleMesh::getLocalTriangle(...)
struct TriangleVertexPointers
{
static void PX_FORCE_INLINE getTriangleVerts(const TriangleMesh* mesh, PxU32 triangleIndex, PxVec3& v0, PxVec3& v1, PxVec3& v2)
{
const PxVec3* verts = mesh->getVerticesFast();
if(mesh->has16BitIndices())
{
const PxU16* tris = reinterpret_cast<const PxU16*>(mesh->getTrianglesFast());
const PxU16* inds = tris+triangleIndex*3;
v0 = verts[inds[0]];
v1 = verts[inds[1]];
v2 = verts[inds[2]];
}
else
{
const PxU32* tris = reinterpret_cast<const PxU32*>(mesh->getTrianglesFast());
const PxU32* inds = tris+triangleIndex*3;
v0 = verts[inds[0]];
v1 = verts[inds[1]];
v2 = verts[inds[2]];
}
}
};
} } // physx, Gu
#endif
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