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

#ifndef PLAYER_COMMAND_H
#define PLAYER_COMMAND_H
#pragma once

#include "edict.h"
#include "usercmd.h"

class IMoveHelper;
class CMoveData;
class CBasePlayer;

//-----------------------------------------------------------------------------
// Purpose: Server side player movement
//-----------------------------------------------------------------------------
class CPlayerMove {
   public:
    DECLARE_CLASS_NOBASE(CPlayerMove);

    // Construction/destruction
    CPlayerMove(void);
    virtual ~CPlayerMove(void) {}

    // Public interfaces:
    // Run a movement command from the player
    void RunCommand(CBasePlayer *player, CUserCmd *ucmd,
                    IMoveHelper *moveHelper);

   protected:
    // Prepare for running movement
    virtual void SetupMove(CBasePlayer *player, CUserCmd *ucmd,
                           IMoveHelper *pHelper, CMoveData *move);

    // Finish movement
    virtual void FinishMove(CBasePlayer *player, CUserCmd *ucmd,
                            CMoveData *move);

    // Called before and after any movement processing
    virtual void StartCommand(CBasePlayer *player, CUserCmd *cmd);
    void FinishCommand(CBasePlayer *player);

    // Helper to determine if the user is standing on ground
    void CheckMovingGround(CBasePlayer *player, double frametime);

    // Helpers to call pre and post think for player, and to call think if a
    // think function is set
    void RunPreThink(CBasePlayer *player);
    void RunThink(CBasePlayer *ent, double frametime);
    void RunPostThink(CBasePlayer *player);
};

//-----------------------------------------------------------------------------
// Singleton accessor
//-----------------------------------------------------------------------------
CPlayerMove *PlayerMove();

#endif  // PLAYER_COMMAND_H