//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//

#ifndef OBJECT_HASH_H
#define OBJECT_HASH_H
#ifdef _WIN32
#pragma once
#endif

class IPhysicsObjectPairHash {
   public:
    virtual ~IPhysicsObjectPairHash() {}
    virtual void AddObjectPair(void *pObject0, void *pObject1) = 0;
    virtual void RemoveObjectPair(void *pObject0, void *pObject1) = 0;
    virtual bool IsObjectPairInHash(void *pObject0, void *pObject1) = 0;
    virtual void RemoveAllPairsForObject(void *pObject0) = 0;
    virtual bool IsObjectInHash(void *pObject0) = 0;

    // Used to iterate over all pairs an object is part of
    virtual int GetPairCountForObject(void *pObject0) = 0;
    virtual int GetPairListForObject(void *pObject0, int nMaxCount,
                                     void **ppObjectList) = 0;
};

#endif  // OBJECT_HASH_H