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++ // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
++ // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
++ // SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
++ // SPDX-License-Identifier: Apache-2.0
++
++ #ifndef GU_RAYCAST_TESTS_H
++ #define GU_RAYCAST_TESTS_H
++
++ #include "foundation/PxSimpleTypes.h"
++ #include "geometry/PxGeometry.h"
++ #include "geometry/PxGeometryHit.h"
++ #include "geometry/PxGeometryQueryContext.h"
++
++ namespace physx
++ {
++ #define UNUSED_RAYCAST_THREAD_CONTEXT NULL
++
++ // 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
++ // \param[in] stride size of hit structure
++ // \param[in] threadContext optional per-thread context
++ #define GU_RAY_FUNC_PARAMS const PxGeometry& geom, const PxTransform& pose, \
++ const PxVec3& rayOrigin, const PxVec3& rayDir, PxReal maxDist, \
++ PxHitFlags hitFlags, PxU32 maxHits, PxGeomRaycastHit* PX_RESTRICT hits, PxU32 stride, PxRaycastThreadContext* threadContext
++
++ 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