Revision control
+ // 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) 2008-2026 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 BP_VOLUME_DATA_H
+ #define BP_VOLUME_DATA_H
+
+ #include "PxPhysXConfig.h"
+ #include "foundation/PxAssert.h"
+
+ namespace physx
+ {
+ namespace Bp
+ {
+ typedef PxU32 AggregateHandle; // PT: currently an index in mAggregates array
+
+ struct ElementType
+ {
+ enum Enum
+ {
+ eSHAPE = 0,
+ eTRIGGER,
+
+ eCOUNT
+ };
+ };
+ PX_COMPILE_TIME_ASSERT(ElementType::eCOUNT <= 4); // 2 bits reserved for type
+
+ #define PX_CUDA_INLINE PX_CUDA_CALLABLE PX_FORCE_INLINE
+
+ struct VolumeData
+ {
+ PX_CUDA_INLINE void reset()
+ {
+ mAggregate = PX_INVALID_U32;
+ mUserData = NULL;
+ }
+
+ PX_CUDA_INLINE void setSingleActor() { mAggregate = PX_INVALID_U32; }
+ PX_CUDA_INLINE bool isSingleActor() const { return mAggregate == PX_INVALID_U32; }
+
+ PX_CUDA_INLINE void setUserData(void* userData)
+ {
+ // PX_ASSERT(!(size_t(userData) & 3));
+ mUserData = userData;
+ }
+
+ PX_CUDA_INLINE void* getUserData() const
+ {
+ return reinterpret_cast<void*>(size_t(mUserData)& (~size_t(3)));
+ }
+
+ PX_CUDA_INLINE void setVolumeType(ElementType::Enum volumeType)
+ {
+ PX_ASSERT(volumeType < 2);
+ mUserData = reinterpret_cast<void*>(size_t(getUserData()) | size_t(volumeType));
+ }
+
+ PX_CUDA_INLINE ElementType::Enum getVolumeType() const
+ {
+ return ElementType::Enum(size_t(mUserData) & 3);
+ }
+
+ PX_CUDA_INLINE void setAggregate(AggregateHandle handle)
+ {
+ PX_ASSERT(handle != PX_INVALID_U32);
+ mAggregate = (handle << 1) | 1;
+ }
+
+ PX_CUDA_INLINE bool isAggregate() const { return !isSingleActor() && ((mAggregate & 1) != 0); }
+
+ PX_CUDA_INLINE void setAggregated(AggregateHandle handle)
+ {
+ PX_ASSERT(handle != PX_INVALID_U32);
+ mAggregate = (handle << 1) | 0;
+ }
+
+ PX_CUDA_INLINE bool isAggregated() const
+ {
+ return !isSingleActor() && ((mAggregate & 1) == 0);
+ }
+
+ PX_CUDA_INLINE AggregateHandle getAggregateOwner() const { return mAggregate >> 1; }
+ PX_CUDA_INLINE AggregateHandle getAggregate() const { return mAggregate >> 1; }
+
+ private:
+ void* mUserData; // PT: in PhysX this is an Sc::ElementSim ptr
+ // PT: TODO: consider moving this to a separate array, which wouldn't be allocated at all for people not using aggregates.
+ // PT: current encoding:
+ // aggregate == PX_INVALID_U32 => single actor
+ // aggregate != PX_INVALID_U32 => aggregate index<<1|LSB. LSB==1 for aggregates, LSB==0 for aggregated actors.
+ AggregateHandle mAggregate;
+ };
+
+ }
+ }
+
+ #endif
+