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PxSimulationStatistics.h

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// 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 PX_SIMULATION_STATISTICS
#define PX_SIMULATION_STATISTICS

#include "PxPhysXConfig.h"
#include "foundation/PxAssert.h"
#include "geometry/PxGeometry.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

class PxSimulationStatistics
{
public:
    enum VolumeType
    {
        eRIGID_BODY,

#if PX_USE_PARTICLE_SYSTEM_API

        ePARTICLE_SYSTEM PX_DEPRECATED,
#endif

#if PX_USE_CLOTH_API

        eCLOTH PX_DEPRECATED,
#endif

        eVOLUME_COUNT
    };

    enum RbPairStatsType
    {
        eDISCRETE_CONTACT_PAIRS,

        eCCD_PAIRS,

        eMODIFIED_CONTACT_PAIRS,

        eTRIGGER_PAIRS
    };


//objects:
    PxU32   nbActiveConstraints;

    PxU32   nbActiveDynamicBodies;

    PxU32   nbActiveKinematicBodies;

    PxU32   nbStaticBodies;

    PxU32   nbDynamicBodies;

    PxU32   nbShapes[PxGeometryType::eGEOMETRY_COUNT];

    PxU32   nbAggregates;
    
    PxU32   nbArticulations;

//solver:
    PxU32   nbAxisSolverConstraints;

    PxU32   compressedContactSize;

    PxU32   requiredContactConstraintMemory;

    PxU32   peakConstraintMemory;

//broadphase:
    PxU32 getNbBroadPhaseAdds(VolumeType type) const
    {
        if (type != eVOLUME_COUNT)
            return nbBroadPhaseAdds[type];
        else
        {
            PX_ASSERT(false);
            return 0;
        }
    }

    PxU32 getNbBroadPhaseRemoves(VolumeType type) const
    {
        if (type != eVOLUME_COUNT)
            return nbBroadPhaseRemoves[type];
        else
        {
            PX_ASSERT(false);
            return 0;
        }
    }

//collisions:
    PxU32 getRbPairStats(RbPairStatsType pairType, PxGeometryType::Enum g0, PxGeometryType::Enum g1) const
    {
        PX_ASSERT_WITH_MESSAGE( (pairType >= eDISCRETE_CONTACT_PAIRS) &&
                                (pairType <= eTRIGGER_PAIRS),
                                "Invalid pairType in PxSimulationStatistics::getRbPairStats");

        if (g0 >= PxGeometryType::eGEOMETRY_COUNT || g1 >= PxGeometryType::eGEOMETRY_COUNT)
        {
            PX_ASSERT(false);
            return 0;
        }

        PxU32 nbPairs = 0;
        switch(pairType)
        {
            case eDISCRETE_CONTACT_PAIRS:
                nbPairs = nbDiscreteContactPairs[g0][g1];
                break;
            case eCCD_PAIRS:
                nbPairs = nbCCDPairs[g0][g1];
                break;
            case eMODIFIED_CONTACT_PAIRS:
                nbPairs = nbModifiedContactPairs[g0][g1];
                break;
            case eTRIGGER_PAIRS:
                nbPairs = nbTriggerPairs[g0][g1];
                break;
        }
        return nbPairs;
    }

    PxU32   nbDiscreteContactPairsTotal;

    PxU32   nbDiscreteContactPairsWithCacheHits;

    PxU32   nbDiscreteContactPairsWithContacts;

    PxU32   nbNewPairs;

    PxU32   nbLostPairs;

    PxU32   nbNewTouches;

    PxU32   nbLostTouches;

    PxU32   nbPartitions;

    PxSimulationStatistics() :
        nbActiveConstraints                 (0),
        nbActiveDynamicBodies               (0),
        nbActiveKinematicBodies             (0),
        nbStaticBodies                      (0),
        nbDynamicBodies                     (0),
        nbAggregates                        (0),
        nbArticulations                     (0),
        nbAxisSolverConstraints             (0),
        compressedContactSize               (0),
        requiredContactConstraintMemory     (0),
        peakConstraintMemory                (0),
        nbDiscreteContactPairsTotal         (0),
        nbDiscreteContactPairsWithCacheHits (0),
        nbDiscreteContactPairsWithContacts  (0),
        nbNewPairs                          (0),
        nbLostPairs                         (0),
        nbNewTouches                        (0),
        nbLostTouches                       (0),
        nbPartitions                        (0),
        particlesGpuMeshCacheSize           (0),
        particlesGpuMeshCacheUsed           (0),
        particlesGpuMeshCacheHitrate        (0.0f)
    {
        for(PxU32 i=0; i < eVOLUME_COUNT; i++)
        {
            nbBroadPhaseAdds[i] = 0;
            nbBroadPhaseRemoves[i] = 0;
        }

        for(PxU32 i=0; i < PxGeometryType::eGEOMETRY_COUNT; i++)
        {
            for(PxU32 j=0; j < PxGeometryType::eGEOMETRY_COUNT; j++)
            {
                nbDiscreteContactPairs[i][j] = 0;
                nbModifiedContactPairs[i][j] = 0;
                nbCCDPairs[i][j] = 0;
                nbTriggerPairs[i][j] = 0;
            }
        }

        for(PxU32 i=0; i < PxGeometryType::eGEOMETRY_COUNT; i++)
        {
            nbShapes[i] = 0;
        }
    }


    //
    // We advise to not access these members directly. Use the provided accessor methods instead.
    //
//broadphase:
    PxU32   nbBroadPhaseAdds[eVOLUME_COUNT];
    PxU32   nbBroadPhaseRemoves[eVOLUME_COUNT];

//collisions:
    PxU32   nbDiscreteContactPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];
    PxU32   nbCCDPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];
    PxU32   nbModifiedContactPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];
    PxU32   nbTriggerPairs[PxGeometryType::eGEOMETRY_COUNT][PxGeometryType::eGEOMETRY_COUNT];

//triangle mesh cache statistics
    PxU32   particlesGpuMeshCacheSize;
    PxU32   particlesGpuMeshCacheUsed;
    PxReal  particlesGpuMeshCacheHitrate;
};

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif

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