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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_RAYCAST_TESTS_H
#define GU_RAYCAST_TESTS_H
#include "CmPhysXCommon.h"
#include "foundation/PxSimpleTypes.h"
#include "PxQueryReport.h"
#include "PxGeometry.h"
namespace physx
{
// PT: TODO: why is PxHitFlag::eMESH_MULTIPLE used in the ray-vs-hf function, but not in the ray-vs-mesh function?
// PT: we use a define to be able to quickly change the signature of all raycast functions.
// (this also ensures they all use consistent names for passed parameters).
// \param[in] geom geometry object to raycast against
// \param[in] pose pose of geometry object
// \param[in] rayOrigin ray's origin
// \param[in] rayDir ray's unit dir
// \param[in] maxDist ray's length/max distance
// \param[in] hitFlags query behavior flags
// \param[in] maxHits max number of hits = size of 'hits' buffer
// \param[out] hits result buffer where to write raycast hits
#define GU_RAY_FUNC_PARAMS const PxGeometry& geom, const PxTransform& pose, \
const PxVec3& rayOrigin, const PxVec3& rayDir, PxReal maxDist, \
PxHitFlags hitFlags, PxU32 maxHits, PxRaycastHit* PX_RESTRICT hits
namespace Gu
{
// PT: function pointer for Geom-indexed raycast functions
// See GU_RAY_FUNC_PARAMS for function parameters details.
// \return number of hits written to 'hits' result buffer
// \note there's no mechanism to report overflow. Returned number of hits is just clamped to maxHits.
typedef PxU32 (*RaycastFunc) (GU_RAY_FUNC_PARAMS);
// PT: typedef for a bundle of all raycast functions, i.e. the function table itself (indexed by geom-type).
typedef RaycastFunc GeomRaycastTable[PxGeometryType::eGEOMETRY_COUNT];
// PT: retrieves the raycast function table (for access by external non-Gu modules)
PX_PHYSX_COMMON_API const GeomRaycastTable& getRaycastFuncTable();
} // namespace Gu
}
#endif
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