staminahandler.c

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enum EStaminaMultiplierTypes
{
    MASK = 1,
    FATIGUE,
    EPINEPHRINE,
    DROWNING,
}
 
 
class StaminaConsumer
{
    protected float m_ActivationThreshold;
    protected float m_DrainThreshold
    protected bool m_State;
    
    void StaminaConsumer(float threshold, float threshold2, bool state)
    {
        m_ActivationThreshold = threshold; //can be activated if above this threshold
        m_DrainThreshold = threshold2; //can continually drain until it reaches this threshold
        m_State = state;
    }
    
    bool GetState() { return m_State; }
    void SetState(bool state) { m_State = state; }
    
    float GetActivationThreshold() { return m_ActivationThreshold; }
    void SetActivationThreshold(float threshold) { m_ActivationThreshold = threshold; }
    
    float GetDrainThreshold() { return m_DrainThreshold; }
    void SetDrainThreshold(float threshold) { m_DrainThreshold = threshold; }   
}
 
class StaminaConsumers
{
    protected ref map<EStaminaConsumers, ref StaminaConsumer> m_StaminaConsumers;
 
    void StaminaConsumers()
    {
        m_StaminaConsumers = new map<EStaminaConsumers, ref StaminaConsumer>;
    }
 
    void RegisterConsumer(EStaminaConsumers consumer, float threshold, float depletion_threshold = -1)
    {
        if (depletion_threshold == -1)
        {
            depletion_threshold = threshold;
        }
        
        if ( !m_StaminaConsumers.Contains(consumer) )
        {
            StaminaConsumer sc = new StaminaConsumer(threshold, depletion_threshold, true);
            m_StaminaConsumers.Set(consumer, sc);
        }
    }
 
    bool HasEnoughStaminaFor(EStaminaConsumers consumer, float curStamina, bool isDepleted, float cap)
    {
        if ( m_StaminaConsumers && m_StaminaConsumers.Contains(consumer) )
        {
            StaminaConsumer sc = m_StaminaConsumers.Get(consumer);
            
            if ( consumer != EStaminaConsumers.SPRINT )
            {
                if ( (isDepleted || (curStamina < sc.GetDrainThreshold()/* && curStamina < cap*/)) )
                {
                    sc.SetState(false);
                    return false;
                }
            }
            else
            {
                if ( !isDepleted )
                {
                    if ( sc.GetState() ) 
                    {
                        sc.SetState(true);
                        return true;
                    }
                }
                else
                {
                    sc.SetState(false);
                    return false;
                }
            }
 
            if ( curStamina > sc.GetDrainThreshold() || curStamina == cap ) //Sometimes player can't go up to drain threshold
            {
                sc.SetState(true);
                return true;
            }
        }
 
        return false;
    }
    
    bool HasEnoughStaminaToStart(EStaminaConsumers consumer, float curStamina, bool isDepleted, float cap)
    {
        if ( m_StaminaConsumers && m_StaminaConsumers.Contains(consumer) )
        {
            StaminaConsumer sc = m_StaminaConsumers.Get(consumer);
            
            if ( (isDepleted || (curStamina < sc.GetActivationThreshold() && curStamina < cap)) )
            {
                sc.SetState(false);
                return false;
            }
            else
            {
                sc.SetState(true);
                return true;
            }
        }
        
        return false;
    }
}
 
 
class StaminaModifier
{
    bool m_InUse = false;
    int m_Type;
    float m_MinValue, m_MaxValue, m_Multiplier, m_Cooldown, m_StartTime, m_StartTimeAdjustment, m_Duration, m_ProgressTime, m_Tick;
 
    void StaminaModifier(int type, float min, float max, float cooldown, float startTime = 0, float duration = 0)
    {
        m_Type = type;
        m_MinValue = min;
        m_MaxValue = max;
        m_Cooldown = cooldown;
        m_StartTimeAdjustment = startTime;
        m_Duration = duration;
        m_Tick = 1;
    }
    
    int GetType() { return m_Type; }
    
    float GetMinValue() { return m_MinValue; }
    void SetMinValue(float val) { m_MinValue = val; } 
    
    float GetMaxValue() { return m_MaxValue; }
    void SetMaxValue(float val) { m_MaxValue = val; }
    
    float GetCooldown() { return m_Cooldown; }
    void SetCooldown(float val) { m_Cooldown = val; }
    
    float GetStartTime() { return m_StartTime; } //Actual game time (progressive modifiers only)
    void SetStartTime(float val) { m_StartTime = val; }
    
    float GetStartTimeAdjustment() {return m_StartTimeAdjustment;} //adjustment to current time (progressive modifiers only)
    
    float GetDuration() { return m_Duration; }
    float GetDurationAdjusted() { return m_Duration / m_Tick; }
    
    bool IsInUse() { return m_InUse; }
    void SetInUse(bool val) { m_InUse = val; }
    
    float GetRunTime() { return m_ProgressTime; }
    void AddRunTime(float val) { m_ProgressTime += val; }
    void SetRunTimeTick(float val) { m_Tick = val; }
    void ResetRunTime() { m_ProgressTime = 0 }
}
 
class StaminaModifierExponential : StaminaModifier
{
    protected ref SMDataExponential m_SMDataEx;
    
    float GetBaseValue() { return m_SMDataEx.m_BaseValue; }
    float GetExponent() { return m_SMDataEx.m_Exponent; }
    float GetMultiplier() { return m_SMDataEx.m_Multiplier; }
    override float GetCooldown() { return m_SMDataEx.m_Cooldown; }
    override float GetStartTimeAdjustment() { return m_SMDataEx.m_StartTimeAdjustment; }
    override float GetDuration() { return m_SMDataEx.m_Duration; }
    override float GetDurationAdjusted() { return m_SMDataEx.m_Duration / m_Tick; }
    
    void SetData(SMDataExponential data) { m_SMDataEx = data; }
}
 
class StaminaModifiers
{
    const int FIXED         = 0;
    const int RANDOMIZED    = 1;
    const int LINEAR        = 2; //Useful ONLY for regular, over-time stamina drain
    const int EXPONENTIAL   = 3; //Useful ONLY for regular, over-time stamina drain
 
    protected ref map<EStaminaModifiers, ref StaminaModifier> m_StaminaModifiers;
 
    void StaminaModifiers()
    {
        m_StaminaModifiers = new map<EStaminaModifiers, ref StaminaModifier>;
    }
 
    void RegisterFixed(EStaminaModifiers modifier, float value, float cooldown = GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION)
    {   
        if ( !m_StaminaModifiers.Contains(modifier) )
        {
            StaminaModifier sm = new StaminaModifier(FIXED, -1, value, cooldown);
            m_StaminaModifiers.Set(modifier, sm);
        }
    }
    
    void RegisterRandomized(EStaminaModifiers modifier, float minValue, float maxValue, float cooldown = GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION)
    {
        if ( !m_StaminaModifiers.Contains(modifier) )
        {
            StaminaModifier sm = new StaminaModifier(RANDOMIZED, minValue, maxValue, cooldown);
            m_StaminaModifiers.Set(modifier, sm);
        }
    }
    
    void RegisterLinear(EStaminaModifiers modifier, float startValue, float endValue, float startTime, float duration, float cooldown = GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION)
    {
        StaminaModifier sm = new StaminaModifier(LINEAR, startValue, endValue, cooldown, startTime, duration);
        m_StaminaModifiers.Set(modifier, sm);
    }
    
    void RegisterExponential(EStaminaModifiers modifier, float startValue, float exponent, float startTime, float duration, float cooldown = GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION)
    {
        StaminaModifier sm = new StaminaModifier(EXPONENTIAL, startValue, exponent, cooldown, startTime, duration);
        m_StaminaModifiers.Set(modifier, sm);
    }
    
    void RegisterExponentialEx(EStaminaModifiers modifier, SMDataExponential data)
    {
        StaminaModifierExponential smex = new StaminaModifierExponential(EXPONENTIAL, data.m_BaseValue, data.m_Exponent, data.m_Cooldown, data.m_StartTimeAdjustment, data.m_Duration);
        smex.SetData(data);
        m_StaminaModifiers.Set(modifier, smex);
    }
    
    StaminaModifier GetModifierData(EStaminaModifiers modifier)
    {
        return m_StaminaModifiers.Get(modifier);
    }
}
 
 
class StaminaHandler
{   
    protected float                         m_PlayerLoad;
    protected float                         m_StaminaDelta;
    protected float                         m_Stamina;
    protected float                         m_StaminaSynced; //guaranteed to be identical on server and client
    protected float                         m_StaminaCap;
    protected float                         m_StaminaDepletion;
    protected float                         m_StaminaDepletionMultiplier; //controls depletion rate
    protected float                         m_StaminaRecoveryMultiplier; //controls recovery rate
    protected float                         m_Time;
    protected ref Param3<float,float,bool>  m_StaminaParams; 
    protected ref HumanMovementState        m_State;
    protected SHumanCommandMoveSettings     m_HumanMoveSettings;
    protected PlayerBase                    m_Player;
 
    protected bool                          m_Debug;                        
    protected bool                          m_StaminaDepleted;
 
    protected ref map<int,ref Timer>        m_TimerMap;
    ref map<EStaminaMultiplierTypes, float> m_RegisteredDepletionModifiers;
    ref set<EStaminaMultiplierTypes>        m_ActiveDepletionModifiers;
    
    ref map<EStaminaMultiplierTypes, float> m_RegisteredRecoveryModifiers;
    ref set<EStaminaMultiplierTypes>        m_ActiveRecoveryModifiers;
    
    protected bool                          m_IsInCooldown;
    
    protected ref StaminaConsumers          m_StaminaConsumers;
    protected ref StaminaModifiers          m_StaminaModifiers;
    
    #ifdef DIAG_DEVELOPER
    protected bool                          m_StaminaDisabled;
    #endif
    
    void StaminaHandler(PlayerBase player)
    {
        if (GetGame().IsServer() || !GetGame().IsMultiplayer())
            m_StaminaParams = new Param3<float,float,bool>(0,0, false);     
 
        m_State                         = new HumanMovementState();
        m_Player                        = player;
        m_Stamina                       = CfgGameplayHandler.GetStaminaMax(); 
        m_StaminaCap                    = CfgGameplayHandler.GetStaminaMax();
        m_StaminaDepletion              = 0;
        m_StaminaDepletionMultiplier    = 1;
        m_StaminaRecoveryMultiplier     = 1;
        m_Time                          = 0;
        m_StaminaDepleted               = false;
        m_IsInCooldown                  = false;
        m_HumanMoveSettings             = m_Player.GetDayZPlayerType().CommandMoveSettingsW();
 
        RegisterStaminaConsumers();
        RegisterStaminaModifiers();
        
        m_TimerMap = new map<int,ref Timer>;
        
        //----------------- depletion --------------------
        m_RegisteredDepletionModifiers = new map<EStaminaMultiplierTypes, float>;
        m_ActiveDepletionModifiers = new set<EStaminaMultiplierTypes>;
 
        //----------------- recovery --------------------
        m_RegisteredRecoveryModifiers = new map<EStaminaMultiplierTypes, float>;
        m_ActiveRecoveryModifiers = new set<EStaminaMultiplierTypes>;
        
        Init();
    }
    
    
    void Init()
    {
        //----------------- depletion --------------------
        m_RegisteredDepletionModifiers.Insert(EStaminaMultiplierTypes.MASK, MaskMdfr.STAMINA_DEPLETION_MODIFIER);
        m_RegisteredDepletionModifiers.Insert(EStaminaMultiplierTypes.FATIGUE, FatigueMdfr.STAMINA_DEPLETION_MULTIPLIER);
        m_RegisteredDepletionModifiers.Insert(EStaminaMultiplierTypes.EPINEPHRINE, EpinephrineMdfr.STAMINA_DEPLETION_MULTIPLIER);
        
        //----------------- recovery --------------------
        m_RegisteredRecoveryModifiers.Insert(EStaminaMultiplierTypes.MASK, MaskMdfr.STAMINA_RECOVERY_MODIFIER);
        m_RegisteredRecoveryModifiers.Insert(EStaminaMultiplierTypes.FATIGUE, FatigueMdfr.STAMINA_RECOVERY_MULTIPLIER);
        m_RegisteredRecoveryModifiers.Insert(EStaminaMultiplierTypes.DROWNING, DrowningMdfr.STAMINA_RECOVERY_MULTIPLIER);
        
    }
    
    void ActivateDepletionModifier(EStaminaMultiplierTypes type)
    {
        if (m_RegisteredDepletionModifiers.Contains(type))
        {
            m_ActiveDepletionModifiers.Insert(type);
            RecalculateDepletionMultiplier();
        }
        else
        {
            Error("attempting to activate unregistered depletion modifier");
        }
    }   
    
    void DeactivateDepletionModifier(EStaminaMultiplierTypes type)
    {
        int index = m_ActiveDepletionModifiers.Find(type);
        if (index != -1)
        {
            m_ActiveDepletionModifiers.Remove(index);
            RecalculateDepletionMultiplier();
        }
    }
    
    void RecalculateDepletionMultiplier()
    {
        float value = 1;
        
        foreach (int multiplier: m_ActiveDepletionModifiers)
        {
            value *= m_RegisteredDepletionModifiers.Get(multiplier);
        }
 
        if (value != m_StaminaDepletionMultiplier)
            SetDepletionMultiplier(value);
    }
    
    void ActivateRecoveryModifier(EStaminaMultiplierTypes type)
    {
        if (m_RegisteredRecoveryModifiers.Contains(type))
        {
            m_ActiveRecoveryModifiers.Insert(type);
            RecalculateRecoveryMultiplier();
        }
        else
        {
            Error("attempting to activate unregistered recovery modifier");
        }
    }
 
    
    void DeactivateRecoveryModifier(EStaminaMultiplierTypes type)
    {
        int index = m_ActiveRecoveryModifiers.Find(type);
        if (index != -1)
        {
            m_ActiveRecoveryModifiers.Remove(index);
            RecalculateRecoveryMultiplier();
        }
    }
    
    void RecalculateRecoveryMultiplier()
    {
        float value = 1;
        
        foreach (int multiplier: m_ActiveRecoveryModifiers)
        {
            value *= m_RegisteredRecoveryModifiers.Get(multiplier);
        }
 
        if (value != m_StaminaRecoveryMultiplier)
        {
            SetRecoveryMultiplier(value);
        }
    }
    
    void Update(float deltaT, int pCurrentCommandID)
    {
        #ifdef DIAG_DEVELOPER
        if (m_StaminaDisabled)
            return;
        #endif
        if (m_Player)
        {
            // Calculates actual max stamina based on player's load
            if (GetGame().IsServer() || !GetGame().IsMultiplayer())
            {
                m_PlayerLoad = m_Player.GetWeightEx();
 
                if (m_PlayerLoad >= CfgGameplayHandler.GetStaminaWeightLimitThreshold())
                {
                    m_StaminaCap =  Math.Max((CfgGameplayHandler.GetStaminaMax() - (((m_PlayerLoad - CfgGameplayHandler.GetStaminaWeightLimitThreshold())/GameConstants.STAMINA_KG_TO_GRAMS) * CfgGameplayHandler.GetStaminaKgToStaminaPercentPenalty())),CfgGameplayHandler.GetStaminaMinCap());
                }
                else
                {
                    m_StaminaCap = CfgGameplayHandler.GetStaminaMax();
                }
            }
            
            // Calculates stamina gain/loss based on movement and load
            m_Player.GetMovementState(m_State);
 
            switch (m_State.m_CommandTypeId)
            {
                case DayZPlayerConstants.COMMANDID_MOVE:
                    StaminaProcessor_Move(m_State);
                    break;
                case DayZPlayerConstants.COMMANDID_LADDER:
                    StaminaProcessor_Ladder(m_State);
                    break;
                case DayZPlayerConstants.COMMANDID_SWIM:
                    StaminaProcessor_Swimming(m_State);
                    break;
                case DayZPlayerConstants.COMMANDID_FALL:    
                case DayZPlayerConstants.COMMANDID_MELEE2:  
                case DayZPlayerConstants.COMMANDID_CLIMB:   
                    break;
                default:
                    if (!m_IsInCooldown)
                    {
                        m_StaminaDelta = GameConstants.STAMINA_GAIN_IDLE_PER_SEC;
                    }
                    break;
            }
            
            //Sets current stamina & stores + syncs data with client
            float temp = m_StaminaDelta * deltaT;
            if (temp < 0)
            {
                temp *= m_StaminaDepletionMultiplier;
            }
            else
            {
                temp *= m_StaminaRecoveryMultiplier;
            }
            
            m_Stamina = Math.Max(0, Math.Min((m_Stamina + temp), m_StaminaCap));
            m_Stamina = m_Stamina - m_StaminaDepletion;
 
            if (GetGame().IsServer() || !GetGame().IsMultiplayer())
            {
                m_Player.GetStatStamina().Set(m_Stamina);
                m_Time += deltaT;
                
                if (m_Time >= GameConstants.STAMINA_SYNC_RATE)
                {
                    m_Time = 0;
                    SetStamina(m_Stamina);
                }
            }
 
            #ifndef SERVER
            m_Player.SetStamina(m_StaminaSynced, m_StaminaCap);
            #endif
 
            ApplyExhaustion();
            CheckStaminaState();
 
            m_StaminaDelta = 0;
            m_StaminaDepletion = 0; // resets depletion modifier
            
        }
    }
    
    void OnRPC(float stamina, float stamina_cap, bool cooldown)
    {
    }
    
    void OnSyncJuncture(int pJunctureID, ParamsReadContext pCtx)
    {
        switch ( pJunctureID )
        {
            case DayZPlayerSyncJunctures.SJ_STAMINA:
                float stamina;
                float stamina_cap;
                bool cooldown;
                
                if (!pCtx.Read(stamina) || !pCtx.Read(stamina_cap) || !pCtx.Read(cooldown))
                {
                    return;
                }
                
                m_Stamina = stamina; //?
                m_StaminaSynced = stamina;
                
                if (m_Player.GetInstanceType() != DayZPlayerInstanceType.INSTANCETYPE_CLIENT)
                {
                    return;
                }
                
                if ( stamina_cap != m_StaminaCap )
                {
                    m_StaminaCap = stamina_cap;
                }
                
                m_IsInCooldown = cooldown;
                m_Player.SetStamina(m_Stamina, m_StaminaCap);
                break;
            
            case DayZPlayerSyncJunctures.SJ_STAMINA_MISC:
                ReadAdditionalStaminaInfo(pCtx);
                break;
        }
    }
    
    protected void StaminaProcessor_Move(HumanMovementState pHumanMovementState)
    {
        switch (pHumanMovementState.m_iMovement)
        {
            case DayZPlayerConstants.MOVEMENTIDX_SPRINT: //sprint
                if (pHumanMovementState.m_iStanceIdx == DayZPlayerConstants.STANCEIDX_ERECT)
                {
                    m_StaminaDelta = -GameConstants.STAMINA_DRAIN_STANDING_SPRINT_PER_SEC * CfgGameplayHandler.GetSprintStaminaModifierErc();
                    SetCooldown(GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION);
                    break;
                }
                else if ( pHumanMovementState.m_iStanceIdx == DayZPlayerConstants.STANCEIDX_CROUCH)
                {
                    m_StaminaDelta = -GameConstants.STAMINA_DRAIN_CROUCHED_SPRINT_PER_SEC * CfgGameplayHandler.GetSprintStaminaModifierCro();
                    SetCooldown(GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION);
                    break;
                }
 
                m_StaminaDelta = GameConstants.STAMINA_GAIN_JOG_PER_SEC;
                break;
                
            case DayZPlayerConstants.MOVEMENTIDX_RUN: //jog
                if (m_Player.GetCurrentWaterLevel() >= m_HumanMoveSettings.m_fWaterLevelSpeedRectrictionHigh)
                {
                    m_StaminaDelta = -GameConstants.STAMINA_DRAIN_STANDING_SPRINT_PER_SEC * CfgGameplayHandler.GetSprintStaminaModifierErc();
                    break;
                }
    
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = (GameConstants.STAMINA_GAIN_JOG_PER_SEC + CalcStaminaGainBonus());
                }
                break;
                
            case DayZPlayerConstants.MOVEMENTIDX_WALK: //walk
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = (GameConstants.STAMINA_GAIN_WALK_PER_SEC + CalcStaminaGainBonus());
                }
                break;
                
            case DayZPlayerConstants.MOVEMENTIDX_IDLE: //idle
                if (m_Player.IsRolling())
                {
                    m_StaminaDelta = GameConstants.STAMINA_GAIN_ROLL_PER_SEC;
                    break;
                }
 
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = (GameConstants.STAMINA_GAIN_IDLE_PER_SEC + CalcStaminaGainBonus());
                }
                break;
                
            default:
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = GameConstants.STAMINA_GAIN_IDLE_PER_SEC;
                }
                break;
        }
    }
    
    protected void StaminaProcessor_Ladder(HumanMovementState pHumanMovementState)
    {
        switch (pHumanMovementState.m_iMovement)
        {
            case 2: //climb up (fast)
                m_StaminaDelta = -GameConstants.STAMINA_DRAIN_LADDER_FAST_PER_SEC * CfgGameplayHandler.GetSprintLadderStaminaModifier();
                SetCooldown(GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION);
                break;
                
            case 1: //climb up (slow)
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = (GameConstants.STAMINA_GAIN_LADDER_PER_SEC + CalcStaminaGainBonus());
                }
                break;
                
            default:
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = GameConstants.STAMINA_GAIN_IDLE_PER_SEC + CalcStaminaGainBonus();
                }
                break;
        }
    }
 
    protected void StaminaProcessor_Swimming(HumanMovementState pHumanMovementState)
    {
        switch (pHumanMovementState.m_iMovement)
        {
            case 3: //swim fast
                m_StaminaDelta = -GameConstants.STAMINA_DRAIN_SWIM_FAST_PER_SEC * CfgGameplayHandler.GetSprintSwimmingStaminaModifier();
                SetCooldown(GameConstants.STAMINA_REGEN_COOLDOWN_DEPLETION);
                break;
    
                
            case 2: //swim slow
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = (GameConstants.STAMINA_GAIN_SWIM_PER_SEC + CalcStaminaGainBonus());
                }
                break;
                
            default:
                if (!m_IsInCooldown)
                {
                    m_StaminaDelta = GameConstants.STAMINA_GAIN_IDLE_PER_SEC + CalcStaminaGainBonus();
                }
                break;
        }
    }
    
    protected void SyncStamina(float stamina, float stamina_cap, bool cooldown)
    {
        m_Player.GetStatStamina().Set(m_Stamina);
        ScriptJunctureData pCtx = new ScriptJunctureData();
        pCtx.Write(m_Stamina);
        pCtx.Write(m_StaminaCap);
        pCtx.Write(m_IsInCooldown);
        m_Player.SendSyncJuncture(DayZPlayerSyncJunctures.SJ_STAMINA,pCtx);
    }
    
    protected void SyncAdditionalStaminaInfo(Param par)
    {
        Param2<float,float> p = Param2<float,float>.Cast(par);
 
        ScriptJunctureData pCtx = new ScriptJunctureData();
        pCtx.Write(p.param1);
        pCtx.Write(p.param2);
        m_Player.SendSyncJuncture(DayZPlayerSyncJunctures.SJ_STAMINA_MISC,pCtx);
    }
    
    protected void ReadAdditionalStaminaInfo(ParamsReadContext pCtx)
    {
        float depletionMultiplier;
        float recoveryMultiplier;
        if (!pCtx.Read(depletionMultiplier) || !pCtx.Read(recoveryMultiplier))
        {
            return;
        }
        
        m_StaminaDepletionMultiplier = depletionMultiplier;
        m_StaminaRecoveryMultiplier = recoveryMultiplier;
    }
    
    protected void RegisterStaminaConsumers()
    {
        m_StaminaConsumers = new StaminaConsumers();
 
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.HOLD_BREATH,
            GameConstants.STAMINA_HOLD_BREATH_THRESHOLD_ACTIVATE,
            GameConstants.STAMINA_HOLD_BREATH_THRESHOLD_DRAIN,
        );
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.SPRINT,
            CfgGameplayHandler.GetStaminaMinCap() + 15,
        );
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.JUMP,
            GameConstants.STAMINA_JUMP_THRESHOLD,
        );
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.VAULT,
            GameConstants.STAMINA_VAULT_THRESHOLD,
        );
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.CLIMB,
            GameConstants.STAMINA_CLIMB_THRESHOLD,
        );
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.MELEE_HEAVY,
            GameConstants.STAMINA_MELEE_HEAVY_THRESHOLD,
        );
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.MELEE_EVADE,
            GameConstants.STAMINA_MELEE_EVADE_THRESHOLD,
        );
        m_StaminaConsumers.RegisterConsumer(
            EStaminaConsumers.ROLL,
            GameConstants.STAMINA_ROLL_THRESHOLD,
        );
        m_StaminaConsumers.RegisterConsumer(EStaminaConsumers.DROWN, 0);
        m_StaminaConsumers.RegisterConsumer(EStaminaConsumers.PUSH, 0);
    }
 
    protected void RegisterStaminaModifiers()
    {
        m_StaminaModifiers = new StaminaModifiers();
 
        SMDataHoldBreath data = new SMDataHoldBreath();
        m_StaminaModifiers.RegisterExponentialEx(
            EStaminaModifiers.HOLD_BREATH,
            data,
        );
        m_StaminaModifiers.RegisterExponentialEx(
            EStaminaModifiers.PUSH_CAR,
            data,
        );
        m_StaminaModifiers.RegisterFixed(EStaminaModifiers.DROWN, 10);
        m_StaminaModifiers.RegisterFixed(
            EStaminaModifiers.JUMP,
            GameConstants.STAMINA_DRAIN_JUMP * CfgGameplayHandler.GetObstacleTraversalStaminaModifier(),
        );
        m_StaminaModifiers.RegisterFixed(
            EStaminaModifiers.VAULT,
            GameConstants.STAMINA_DRAIN_VAULT * CfgGameplayHandler.GetObstacleTraversalStaminaModifier(),
        );
        m_StaminaModifiers.RegisterFixed(
            EStaminaModifiers.CLIMB,
            GameConstants.STAMINA_DRAIN_CLIMB * CfgGameplayHandler.GetObstacleTraversalStaminaModifier(),
        );
        m_StaminaModifiers.RegisterFixed(
            EStaminaModifiers.MELEE_LIGHT,
            GameConstants.STAMINA_DRAIN_MELEE_LIGHT  * CfgGameplayHandler.GetMeleeStaminaModifier(),
        );
        m_StaminaModifiers.RegisterFixed(
            EStaminaModifiers.MELEE_HEAVY,
            GameConstants.STAMINA_DRAIN_MELEE_HEAVY  * CfgGameplayHandler.GetMeleeStaminaModifier(),
        );
        m_StaminaModifiers.RegisterFixed(
            EStaminaModifiers.OVERALL_DRAIN,
            CfgGameplayHandler.GetStaminaMax(),
            5.0,
        );
        m_StaminaModifiers.RegisterRandomized(
            EStaminaModifiers.MELEE_EVADE,
            3 * CfgGameplayHandler.GetMeleeStaminaModifier(),
            GameConstants.STAMINA_DRAIN_MELEE_EVADE * CfgGameplayHandler.GetMeleeStaminaModifier(),
        );
        m_StaminaModifiers.RegisterFixed(EStaminaModifiers.ROLL, GameConstants.STAMINA_DRAIN_ROLL);
    }
 
    protected float CalcStaminaGainBonus()
    {
        if (m_StaminaDepletion > 0)
            return 0;
 
        if (m_Stamina > 25)
            return Math.Min((m_Stamina/10),GameConstants.STAMINA_GAIN_BONUS_CAP); // exp version
        else
            return GameConstants.STAMINA_GAIN_BONUS_CAP; // linear version
    }
 
    protected void ApplyExhaustion()
    {
        HumanCommandAdditives ad = m_Player.GetCommandModifier_Additives();
        
        float exhaustion_value = 1;
        if (m_StaminaCap != 0)
        {
            exhaustion_value = 1 - ((m_Stamina / (m_StaminaCap * 0.01)) * 0.01);
        }
        
        exhaustion_value = Math.Min(1, exhaustion_value);
        if (ad)
        {
            // do not apply exhaustion on local client if player is in ADS/Optics (camera shakes)
            if (m_Player.GetInstanceType() == DayZPlayerInstanceType.INSTANCETYPE_CLIENT && (m_Player.IsInOptics() || m_Player.IsInIronsights()))
            {
                ad.SetExhaustion(0, true);
            }
            else
            {
                ad.SetExhaustion(exhaustion_value, true);
            }
        }
    }
    
    protected void CheckStaminaState()
    {
        if (m_Stamina <= 0)
        {
            m_StaminaDepleted = true;
            if (!m_IsInCooldown)
            {
                // set this only once
                SetCooldown(GameConstants.STAMINA_REGEN_COOLDOWN_EXHAUSTION); 
            }
        }
        else
        {
            m_StaminaDepleted = false;
        }
    }
 
    protected void SetCooldown(float time, int modifier = -1)
    {
        if ( m_StaminaDepleted || m_Stamina <= 0.0 )
        {
            ResetCooldown(modifier);
            return;
        }
 
        m_IsInCooldown = true;
        
        Timer timer;
        if (m_TimerMap.Find(modifier, timer) && timer.IsRunning())
        {
            timer.Stop();
        }
        else
        {
            timer = new ref Timer;
            m_TimerMap.Set(modifier,timer);
        }
        timer.Run(time, this, "ResetCooldown",  new Param1<int>( modifier ));
        //Print(m_TimerMap.Count());
    }
    
    protected void ResetCooldown(int modifier = -1)
    {
        StaminaModifier sm = m_StaminaModifiers.GetModifierData(modifier);
        if (sm)
        {
            //Print(modifier);
            //Error("Error: No StaminaModifier found! | StaminaHandler | ResetCooldown");
            sm.SetStartTime(-1);
            sm.ResetRunTime();
            sm.SetInUse(false);
        }
        m_IsInCooldown = false;
    }
    
    Timer GetCooldownTimer(int modifier)
    {
        
    }
    
    // ---------------------------------------------------
    bool HasEnoughStaminaFor(EStaminaConsumers consumer)
    {
        return m_StaminaConsumers.HasEnoughStaminaFor(consumer, m_Stamina, m_StaminaDepleted, m_StaminaCap);
    }
    
    bool HasEnoughStaminaToStart(EStaminaConsumers consumer)
    {
        return m_StaminaConsumers.HasEnoughStaminaToStart(consumer, m_Stamina, m_StaminaDepleted, m_StaminaCap);
    }
 
    void SetStamina(float stamina_value)
    {
        m_Stamina = Math.Clamp(stamina_value, 0, CfgGameplayHandler.GetStaminaMax());
        SyncStamina(m_Stamina, m_StaminaCap, m_IsInCooldown);
    }
    
    float GetStamina()
    {
        return m_Stamina;
    }
 
    float GetStaminaNormalized()
    {
        return m_Stamina / GetStaminaMax();
    }
 
    float GetSyncedStamina()
    {
        return m_StaminaSynced;
    }
    
    float GetSyncedStaminaNormalized()
    {
        return GetSyncedStamina() / GetStaminaMax();
    }
    
    float GetStaminaCap()
    {
        return m_StaminaCap;
    }
    
    float GetStaminaMax()
    {
        return CfgGameplayHandler.GetStaminaMax();
    }
    
    //obsolete, use ActivateDepletionModifier/DeactivateDepletionModifier instead
    void SetDepletionMultiplier(float val)
    {
        if (m_StaminaDepletionMultiplier < 0)
            m_StaminaDepletionMultiplier = 0;
        m_StaminaDepletionMultiplier = val;
        SyncAdditionalStaminaInfo(new Param2<float,float>(m_StaminaDepletionMultiplier,m_StaminaRecoveryMultiplier));
    }
    //obsolete, use ActivateRecoveryModifier/DeactivateRecoveryModifier instead
    void SetRecoveryMultiplier(float val)
    {
        if (m_StaminaRecoveryMultiplier < 0)
            m_StaminaRecoveryMultiplier = 0;
        m_StaminaRecoveryMultiplier = val;
        SyncAdditionalStaminaInfo(new Param2<float,float>(m_StaminaDepletionMultiplier,m_StaminaRecoveryMultiplier));
    }
    
    float GetDepletionMultiplier()
    {
        return m_StaminaDepletionMultiplier;
    }
    
    float GetRecoveryMultiplier()
    {
        return m_StaminaRecoveryMultiplier;
    }
    
    void DepleteStamina(EStaminaModifiers modifier, float dT = -1)
    {
        #ifdef DIAG_DEVELOPER
        if (m_StaminaDisabled)
            return;
        #endif
        float val = 0.0;
        float current_time = m_Player.GetSimulationTimeStamp();
        float valueProgress;
        StaminaModifier sm = m_StaminaModifiers.GetModifierData(modifier);
 
        // select by modifier type and drain stamina
        switch (sm.GetType())
        {
            case m_StaminaModifiers.FIXED:
                if (dT == -1)
                {
                    dT = 1;
                }
                m_StaminaDepletion = m_StaminaDepletion + sm.GetMaxValue() * dT;
 
                break;
            
            case m_StaminaModifiers.RANDOMIZED:
                val = Math.RandomFloat(sm.GetMinValue(), sm.GetMaxValue());
                m_StaminaDepletion = m_StaminaDepletion + val;
 
                break;
            
            case m_StaminaModifiers.LINEAR:
                if (!sm.IsInUse())
                {
                    sm.SetStartTime(current_time + sm.GetStartTimeAdjustment()/dT);
                    sm.SetRunTimeTick(dT);
                    sm.SetInUse(true);
                }
                valueProgress = Math.Clamp((current_time - sm.GetStartTime())/sm.GetDurationAdjusted(), 0, 1 );
                val = Math.Lerp(sm.GetMinValue(), sm.GetMaxValue(), valueProgress);
                m_StaminaDepletion = m_StaminaDepletion + val;
            
                break;
            
            case m_StaminaModifiers.EXPONENTIAL:
                StaminaModifierExponential smex;
                if (!Class.CastTo(smex,sm))
                {
                    ErrorEx("StaminaModifierExponential not found for modifier type: " + sm.GetType());
                    break;
                }
                
                if (!smex.IsInUse())
                {
                    smex.SetStartTime(current_time + smex.GetStartTimeAdjustment()/dT);
                    smex.SetRunTimeTick(dT);
                    smex.SetInUse(true);
                }
                valueProgress = Math.Clamp((current_time - smex.GetStartTime())/smex.GetDurationAdjusted(), 0, 1 );
                float exp;
                if (Math.AbsFloat(smex.GetBaseValue()) < 1)
                {
                    exp = 1 - Math.Lerp(0, smex.GetExponent(), valueProgress);
                    val = Math.Pow(smex.GetBaseValue(),exp);
                }
                else
                {
                    exp = Math.Lerp(Math.Min(0, smex.GetExponent()), Math.Max(0, smex.GetExponent()), valueProgress);
                    val = Math.Pow(smex.GetBaseValue(),exp) + smex.GetBaseValue() - 1;
                }
                
                m_StaminaDepletion = m_StaminaDepletion + val;
                m_StaminaDepletion *= smex.GetMultiplier();
            
                break;
        }
 
        SetCooldown(sm.GetCooldown(),modifier);
        m_StaminaDepletion = Math.Clamp(m_StaminaDepletion, 0, CfgGameplayHandler.GetStaminaMax());
 
        m_StaminaDepletion = m_StaminaDepletion * m_StaminaDepletionMultiplier;
    }
    
    #ifdef DIAG_DEVELOPER
    void SetStaminaDisabled(bool value)
    {
        m_StaminaDisabled = value;
    }
    #endif
}