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

#ifndef AI_RESPONSESYSTEM_H
#define AI_RESPONSESYSTEM_H

#include "utlvector.h"

#ifdef _WIN32
#pragma once
#endif

#include "AI_Criteria.h"

abstract_class IResponseFilter {
   public:
    virtual ~IResponseFilter() {}
    virtual bool IsValidResponse(ResponseType_t type, const char *pszValue) = 0;
};

abstract_class IResponseSystem {
   public:
    virtual ~IResponseSystem() {}

    virtual bool FindBestResponse(const AI_CriteriaSet &set,
                                  AI_Response &response,
                                  IResponseFilter *pFilter = NULL) = 0;
    virtual void GetAllResponses(CUtlVector<AI_Response *> * pResponses) = 0;
    virtual void PrecacheResponses(bool bEnable) = 0;
};

IResponseSystem *PrecacheCustomResponseSystem(const char *scriptfile);
IResponseSystem *BuildCustomResponseSystemGivenCriteria(
    const char *pszBaseFile, const char *pszCustomName,
    AI_CriteriaSet &criteriaSet, float flCriteriaScore);
void DestroyCustomResponseSystems();

class ISaveRestoreBlockHandler *
GetDefaultResponseSystemSaveRestoreBlockHandler();
class ISaveRestoreOps *GetResponseSystemSaveRestoreOps();

#endif  // AI_RESPONSESYSTEM_H