staminahandler.c

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enum EStaminaMultiplierTypes
{
    MASK = 1,
    FATIGUE,
    EPINEPHRINE,
    DROWNING,
    VOMIT_EXHAUSTION,
    DISEASE_PNEUMONIA
}
 

/**@class   Stamina Consumer
 * @brief   Holds information about Stamina Consumer
 *
 * @param[in]   threshold   value needed to allow consume stamina
 * @param[in]   state       keeps state of the consumer non-depleted/depleted
 */
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)
    {
        StaminaConsumer sc;
        if (m_StaminaConsumers && m_StaminaConsumers.Find(consumer, sc))
        {
            if (consumer != EStaminaConsumers.SPRINT)
            {
                if (isDepleted || (curStamina < sc.GetDrainThreshold()))
                {
                    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)
    {
        StaminaConsumer sc;
        if (m_StaminaConsumers && m_StaminaConsumers.Find(consumer, sc))
        {
            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);
    }
}
 
typedef Param1<float> StaminaCooldownParams;
 
class StaminaHandler
{
    protected const float                   STAMINA_GAIN_THRESHOLD = 25.0;
    protected const float                   STAMINA_GAIN_MODIFIER = 10.0;
    
    protected bool                          m_InitUpdate;
    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_StaminaCapSynced; //guaranteed to be identical on server and client
    protected float                         m_StaminaDepletionMultiplierNext; // value being sent via SJ
    protected float                         m_StaminaRecoveryMultiplierNext; // value being sent via SJ
    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_StaminaDepleted;
 
    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;
        
    protected float                         m_LastPlayerLoad = -1;
    
    protected float                         m_CachedStaminaGainBonus;
    protected bool                          m_IsStaminaGainBonusCached;
        
    protected ref map<int, ref StaminaCooldownParams> m_CooldownMap;
    
    // Movement state caching members
    protected int m_LastCommandTypeId = -1;
    protected int m_LastMovementIdx = -1;
    protected int m_LastStanceIdx = -1;
    protected bool m_MovementStateChanged = true; // Force initial processing
    
    #ifdef DIAG_DEVELOPER
    protected bool                          m_StaminaDisabled;
    protected float                         m_DebugTimer = 0;
    protected int                           m_LastPoolInUse = 0;
    #endif
    
    void StaminaHandler(PlayerBase player)
    {
        if (g_Game.IsServer() || !g_Game.IsMultiplayer())
            m_StaminaParams = new Param3<float,float,bool>(0, 0, false);        
 
        m_State                         = new HumanMovementState();
        m_Player                        = player;
            
        m_InitUpdate                    = false;
        m_Stamina                       = CfgGameplayHandler.GetStaminaMax(); 
        m_StaminaSynced                 = CfgGameplayHandler.GetStaminaMax(); 
        m_StaminaCap                    = CfgGameplayHandler.GetStaminaMax();
        m_StaminaCapSynced              = CfgGameplayHandler.GetStaminaMax();
        m_StaminaDepletionMultiplierNext = 1;
        m_StaminaRecoveryMultiplierNext  = 1;
        m_StaminaDepletion              = 0;
        m_StaminaDepletionMultiplier    = 1;
        m_StaminaRecoveryMultiplier     = 1;
        m_Time                          = 0;
        m_StaminaDepleted               = false;
        m_IsInCooldown                  = false;
        m_HumanMoveSettings             = m_Player.GetDayZPlayerType().CommandMoveSettingsW();
        m_IsStaminaGainBonusCached      = false;
 
        RegisterStaminaConsumers();
        RegisterStaminaModifiers();
                
        m_CooldownMap = new map<int, ref StaminaCooldownParams>();
        
        //----------------- 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 ~StaminaHandler()
    {
        if (m_CooldownMap)
        {
            m_CooldownMap.Clear();
        }
    }
    
    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);
        m_RegisteredDepletionModifiers.Insert(EStaminaMultiplierTypes.VOMIT_EXHAUSTION, VomitSymptom.STAMINA_DEPLETION_MULTIPLIER);
        m_RegisteredDepletionModifiers.Insert(EStaminaMultiplierTypes.DISEASE_PNEUMONIA, PneumoniaMdfr.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);
        m_RegisteredRecoveryModifiers.Insert(EStaminaMultiplierTypes.VOMIT_EXHAUSTION, VomitSymptom.STAMINA_RECOVERY_MULTIPLIER);
        m_RegisteredRecoveryModifiers.Insert(EStaminaMultiplierTypes.DISEASE_PNEUMONIA, PneumoniaMdfr.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);
        }
    }
    
    // Check if movement state has changed since last frame
    protected bool HasMovementStateChanged()
    {
        // Only call GetMovementState if we need to check for changes
        m_Player.GetMovementState(m_State);
        
        bool changed = (m_State.m_CommandTypeId != m_LastCommandTypeId || m_State.m_iMovement != m_LastMovementIdx || m_State.m_iStanceIdx != m_LastStanceIdx);
        
        if (changed)
        {
            // Update cached values
            m_LastCommandTypeId = m_State.m_CommandTypeId;
            m_LastMovementIdx = m_State.m_iMovement;
            m_LastStanceIdx = m_State.m_iStanceIdx;
        }
        
        return changed;
    }
    
    void Update(float deltaT, int pCurrentCommandID)
    {
        #ifdef DIAG_DEVELOPER
        if (m_StaminaDisabled)
            return;
        #endif
        
        if (!m_Player)
            return;
        
        // Process cooldowns - subtract deltaT and remove expired ones
        array<int> expiredCooldowns = new array<int>();
        foreach (int modifier, StaminaCooldownParams cooldownParams : m_CooldownMap)
        {
            cooldownParams.param1 -= deltaT;
            if (cooldownParams.param1 <= 0)
            {
                expiredCooldowns.Insert(modifier);
            }
        }
        
        // Remove expired cooldowns
        foreach (int expiredModifier : expiredCooldowns)
        {
            ResetCooldown(expiredModifier);
        }
        
        // Reset so we get current bonus value once in this update loop and then reuse the cached value within this update call
        m_IsStaminaGainBonusCached = false;
        
        // Check if movement state has changed
        m_MovementStateChanged = HasMovementStateChanged();
        
        bool isAiOrSingleplayer = m_Player.IsAuthorityOwner();
        bool isServerOrSingleplayer = m_Player.IsAuthority();
        
        // Calculates actual max stamina based on player's load
        if (isServerOrSingleplayer)
        {
            m_PlayerLoad = m_Player.GetWeightEx();
            if (m_PlayerLoad != m_LastPlayerLoad)
            {
                RecalculateStaminaCap();
                m_LastPlayerLoad = m_PlayerLoad;
            }
        }
        else
        {
            PlayerBaseMove move = PlayerBaseMove.Cast(m_Player.GetNextMove());
            if (move)
            {
                move.m_fStaminaValue = m_Stamina;
                move.m_fStaminaCapacity = m_StaminaCap;
            }
        }
        
        if (isAiOrSingleplayer)
        {
            m_StaminaSynced = m_Stamina;
            m_StaminaCapSynced = m_StaminaCap;
        }
        
        // Process movement if: state changed, we have stamina delta, in cooldown, not initialized, or stamina is bewlow cap
        if (m_MovementStateChanged || m_StaminaDelta != 0 || m_IsInCooldown || !m_InitUpdate || m_Stamina < m_StaminaCap)
            ProcessMovementState();
        
        // Sets current stamina & stores + syncs data with client
        ProcessStaminaChanges(deltaT, isServerOrSingleplayer);
 
        ApplyExhaustion();
        CheckStaminaState();
        
        m_StaminaDelta = 0;
        m_StaminaDepletion = 0; // resets depletion modifier
        m_IsStaminaGainBonusCached = false;
        if (!m_InitUpdate)
            m_InitUpdate = true;
    }
    
    protected void ProcessMovementState()
    {
        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;
        }
    }
    
    protected void ProcessStaminaChanges(float deltaT, bool isServerOrSingleplayer)
    {
        // Calculate stamina changes
        float temp = m_StaminaDelta * deltaT;
        if (temp < 0)
        {
            temp *= m_StaminaDepletionMultiplier;
        }
        else
        {
            temp *= m_StaminaRecoveryMultiplier;
        }
        
        // Apply stamina depletion first, then add/subtract the delta
        float newStamina = m_Stamina - m_StaminaDepletion + temp;
        
        // Clamp to valid range
        m_Stamina = Math.Max(0, Math.Min(newStamina, m_StaminaCap));
        
        // Handle floating-point precision issues - snap to cap if very close
        if (m_Stamina > (m_StaminaCap - 0.01) && temp > 0)
        {
            m_Stamina = m_StaminaCap;
        }
        
        if (isServerOrSingleplayer)
        {
            m_Player.GetStatStamina().Set(m_Stamina);
            m_Time += deltaT;
            
            if (m_Time >= GameConstants.STAMINA_SYNC_RATE)
            {
                m_Time = 0;
                SyncStaminaEx();
            }
        }
        
        #ifndef SERVER
        m_Player.SetStamina(m_StaminaSynced, m_StaminaCapSynced);
        #endif
    }
    
    void RecalculateStaminaCap()
    {
        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();
        }
        
        m_StaminaCapSynced = m_StaminaCap;
    }
        
    void OnSyncJuncture(int pJunctureID, ParamsReadContext pCtx)
    {
        switch (pJunctureID)
        {
            case DayZPlayerSyncJunctures.SJ_STAMINA:
                float stamina;
                float staminaCap;
                bool cooldown;
                
                if (!pCtx.Read(stamina) || !pCtx.Read(staminaCap) || !pCtx.Read(cooldown))
                {
                    return;
                }
                
                m_Stamina = stamina; //?
                m_StaminaSynced = stamina;
                m_StaminaCap = staminaCap;
                m_StaminaCapSynced = staminaCap;
                
                if (m_Player.GetInstanceType() != DayZPlayerInstanceType.INSTANCETYPE_CLIENT)
                {
                    return;
                }
                
                if (staminaCap != m_StaminaCap)
                {
                    m_StaminaCap = staminaCap;
                }
                
                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 SyncStaminaEx()
    {
        SyncStamina(m_Stamina, m_StaminaCap, m_IsInCooldown);
    }
    
    protected void SyncStamina(float stamina, float stamina_cap, bool cooldown)
    {
        m_Player.GetStatStamina().Set(stamina);
        ScriptJunctureData pCtx = new ScriptJunctureData();
        pCtx.Write(stamina);
        pCtx.Write(stamina_cap);
        pCtx.Write(cooldown);
        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_IsStaminaGainBonusCached)
            return m_CachedStaminaGainBonus;
        
        if (m_StaminaDepletion > 0)
        {
            m_CachedStaminaGainBonus = 0;
        }
        else if (m_Stamina > STAMINA_GAIN_THRESHOLD)
        {
            m_CachedStaminaGainBonus = Math.Min((m_Stamina/STAMINA_GAIN_MODIFIER), GameConstants.STAMINA_GAIN_BONUS_CAP);
        }
        else
        {
            m_CachedStaminaGainBonus = GameConstants.STAMINA_GAIN_BONUS_CAP;
        }
        
        m_IsStaminaGainBonusCached = true;
        return m_CachedStaminaGainBonus;
    }
 
    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)
    {
        StaminaCooldownParams cooldown;
        if (!m_CooldownMap.Find(modifier, cooldown))
        {
            cooldown = new StaminaCooldownParams(0);
            m_CooldownMap.Insert(modifier, cooldown);
        }
        
        m_IsInCooldown = true;
        cooldown.param1 = time; // Set remaining time
    }
    
    protected void ResetCooldown(int modifier = -1)
    {
        StaminaModifier sm = m_StaminaModifiers.GetModifierData(modifier);
        if (sm)
        {
            sm.SetStartTime(-1);
            sm.ResetRunTime();
            sm.SetInUse(false);
        }
        
        // Remove from cooldown map
        m_CooldownMap.Remove(modifier);
        
        // Update cooldown state based on remaining active cooldowns
        m_IsInCooldown = (m_CooldownMap.Count() > 0);
    }
        
    // ---------------------------------------------------
    bool HasEnoughStaminaFor(EStaminaConsumers consumer)
    {
        return m_StaminaConsumers.HasEnoughStaminaFor(consumer, m_StaminaSynced, m_StaminaDepleted, m_StaminaCapSynced);
    }
    
    bool HasEnoughStaminaToStart(EStaminaConsumers consumer)
    {
        return m_StaminaConsumers.HasEnoughStaminaToStart(consumer, m_StaminaSynced, m_StaminaDepleted, m_StaminaCapSynced);
    }
    
    void SetStamina(float stamina_value)
    {
        m_Stamina = Math.Clamp(stamina_value, 0, CfgGameplayHandler.GetStaminaMax());
        SyncStaminaEx();
    }
    
    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 GetSyncedStaminaCap()
    {
        return m_StaminaCapSynced;
    }
    
    float GetStaminaMax()
    {
        return CfgGameplayHandler.GetStaminaMax();
    }
    
    // Only used internaly in this class, 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));
    }
    
    // Only used internaly in this class, 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 DepleteStaminaEx(EStaminaModifiers modifier, float dT = -1, float coef = 1.0)
    {
        #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 += sm.GetMaxValue() * dT * coef;
 
                break;
            
            case m_StaminaModifiers.RANDOMIZED:
                val = Math.RandomFloat(sm.GetMinValue(), sm.GetMaxValue());
                m_StaminaDepletion += val * coef;
 
                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 += val * coef;
            
                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 += val * smex.GetMultiplier() * coef;
            
                break;
        }

        SetCooldown(sm.GetCooldown(),modifier);
        
        m_StaminaDepletion *= m_StaminaDepletionMultiplier;
        m_StaminaDepletion = Math.Clamp(m_StaminaDepletion, 0, CfgGameplayHandler.GetStaminaMax());
    }
    
    // ADD these new methods - don't remove any existing ones
    void ObtainState(PlayerBaseOwnerState state)
    {
        // we are writing the state data for stamina to the move, use 'GetNextMove'
    }
    
    void ObtainMove(PlayerBaseMove move)
    {
        // unused
    }
    
    void RewindState(PlayerBaseOwnerState state, PlayerBaseMove move)
    {
        m_Stamina = move.m_fStaminaValue;
        m_StaminaCap = move.m_fStaminaCapacity;
    }
    
    void ReplayMove(PlayerBaseMove move)
    {
        // mimick receiving of sync juncture
        if (move.m_bStaminaSynced)
        {
            m_StaminaSynced = move.m_fStaminaSyncedValue;
            m_StaminaCapSynced = move.m_fStaminaSyncedCapacity;
            
            m_Stamina = m_StaminaSynced;
            m_StaminaCap = m_StaminaCapSynced;
        }
        
        m_StaminaDepletion = move.m_fStaminaDepletion;
        
        Update(move.GetTimeSlice(), m_Player.GetCurrentCommandID());
    }
    
    #ifdef DIAG_DEVELOPER
    void SetStaminaDisabled(bool value)
    {
        m_StaminaDisabled = value;
    }
    #endif
    
    //DEPRECATED BELOW
    protected bool m_Debug;
    
    [Obsolete("No replacement")]
    void DepleteStamina(EStaminaModifiers modifier, float dT = -1)
    {
        DepleteStaminaEx(modifier,dT);
    }
    
    [Obsolete("Deprecated use, StaminaHandler uses SyncJunctures now!")]
    void OnRPC(float stamina, float stamina_cap, bool cooldown);
}