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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 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