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PxSimulationStatistics.h

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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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#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 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:
    PX_FORCE_INLINE PxU32 getNbBroadPhaseAdds() const
    {
        return nbBroadPhaseAdds;
    }

    PX_FORCE_INLINE PxU32 getNbBroadPhaseRemoves() const
    {
        return nbBroadPhaseRemoves;
    }

//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)
    {
        nbBroadPhaseAdds = 0;
        nbBroadPhaseRemoves = 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;
    PxU32   nbBroadPhaseRemoves;

//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];
};

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif

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